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source install/setup.bash
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/* FastCRC library code is placed under the MIT license
* Copyright (c) 2014 - 2021 Frank Bösing
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
// Teensy 3.0, Teensy 3.1:
// See K20P64M72SF1RM.pdf (Kinetis), Pages 638 - 641 for documentation of CRC Device
// See KINETIS_4N30D.pdf for Errata (Errata ID 2776)
//
// So, ALL HW-calculations are done as 32 bit.
//
//
//
// Thanks to:
// - Catalogue of parametrised CRC algorithms, CRC RevEng
// http://reveng.sourceforge.net/crc-catalogue/
//
// - Danjel McGougan (CRC-Table-Generator)
//
// Set this to 0 for smaller 32BIT-CRC-Tables:
#if !defined(CRC_BIGTABLES)
#define CRC_BIGTABLES 1
#endif
#if !defined(FastCRC_h)
#define FastCRC_h
#if defined(ARDUINO)
#include <Arduino.h>
#endif
#include <inttypes.h>
#include <cstddef>
// ================= DEFINES ===================
#if defined(KINETISK)
#define CRC_SW 0
#define CRC_FLAG_NOREFLECT (((1<<31) | (1<<30)) | ((0<<29) | (0<<28))) //refin=false refout=false
#define CRC_FLAG_REFLECT (((1<<31) | (0<<30)) | ((1<<29) | (0<<28))) //Reflect in- and outgoing bytes (refin=true refout=true)
#define CRC_FLAG_XOR (1<<26) //Perform XOR on result
#define CRC_FLAG_NOREFLECT_8 (0) //For 8-Bit CRC
#define CRC_FLAG_REFLECT_SWAP (((1<<31) | (0<<30)) | ((0<<29) | (1<<28))) //For 16-Bit CRC (byteswap)
#else
#define CRC_SW 1
#endif
// ================= 7-BIT CRC ===================
class FastCRC7
{
public:
FastCRC7();
uint8_t crc7(const uint8_t *data, const size_t datalen); // (MultiMediaCard interface)
uint8_t crc7_upd(const uint8_t *data, const size_t datalen); // Call for subsequent calculations with previous seed.
#if !CRC_SW
uint8_t generic(const uint8_t polyom, const uint8_t seed, const uint32_t flags, const uint8_t *data, const size_t datalen); //Not available in non-hw-variant (not T3.x)
#endif
private:
#if CRC_SW
uint8_t seed;
#else
uint8_t update(const uint8_t *data, const size_t datalen);
#endif
};
// ================= 8-BIT CRC ===================
class FastCRC8
{
public:
FastCRC8();
uint8_t smbus(const uint8_t *data, const size_t datalen); // Alias CRC-8
uint8_t maxim(const uint8_t *data, const size_t datalen); // Equivalent to _crc_ibutton_update() in crc16.h from avr_libc
uint8_t smbus_upd(const uint8_t *data, size_t datalen); // Call for subsequent calculations with previous seed.
uint8_t maxim_upd(const uint8_t *data, size_t datalen); // Call for subsequent calculations with previous seed.
#if !CRC_SW
uint8_t generic(const uint8_t polyom, const uint8_t seed, const uint32_t flags, const uint8_t *data, const size_t datalen); //Not available in non-hw-variant (not T3.x)
#endif
private:
#if CRC_SW
uint8_t seed;
#else
uint8_t update(const uint8_t *data, const size_t datalen);
#endif
};
// ================= 14-BIT CRC ===================
class FastCRC14
{
public:
#if !CRC_SW //NO Software-implemenation so far
FastCRC14();
uint16_t darc(const uint8_t *data, const size_t datalen);
uint16_t gsm(const uint8_t *data, const size_t datalen);
uint16_t eloran(const uint8_t *data, const size_t datalen);
uint16_t ft4(const uint8_t *data, const size_t datalen);
uint16_t darc_upd(const uint8_t *data, size_t len);
uint16_t gsm_upd(const uint8_t *data, size_t len);
uint16_t eloran_upd(const uint8_t *data, size_t len);
uint16_t ft4_upd(const uint8_t *data, size_t len);
#endif
#if !CRC_SW
uint16_t generic(const uint16_t polyom, const uint16_t seed, const uint32_t flags, const uint8_t *data, const size_t datalen); //Not available in non-hw-variant (not T3.x)
#endif
private:
#if CRC_SW
uint16_t seed;
#else
uint16_t update(const uint8_t *data, const size_t datalen);
#endif
};
// ================= 16-BIT CRC ===================
class FastCRC16
{
public:
FastCRC16();
uint16_t ccitt(const uint8_t *data, const size_t datalen); // Alias "false CCITT"
uint16_t mcrf4xx(const uint8_t *data,const size_t datalen); // Equivalent to _crc_ccitt_update() in crc16.h from avr_libc
uint16_t kermit(const uint8_t *data, const size_t datalen); // Alias CRC-16/CCITT, CRC-16/CCITT-TRUE, CRC-CCITT
uint16_t modbus(const uint8_t *data, const size_t datalen); // Equivalent to _crc_16_update() in crc16.h from avr_libc
uint16_t xmodem(const uint8_t *data, const size_t datalen); // Alias ZMODEM, CRC-16/ACORN
uint16_t x25(const uint8_t *data, const size_t datalen); // Alias CRC-16/IBM-SDLC, CRC-16/ISO-HDLC, CRC-B
uint16_t ccitt_upd(const uint8_t *data, size_t len); // Call for subsequent calculations with previous seed
uint16_t mcrf4xx_upd(const uint8_t *data, size_t len); // Call for subsequent calculations with previous seed
uint16_t kermit_upd(const uint8_t *data, size_t len); // Call for subsequent calculations with previous seed
uint16_t modbus_upd(const uint8_t *data, size_t len); // Call for subsequent calculations with previous seed
uint16_t xmodem_upd(const uint8_t *data, size_t len); // Call for subsequent calculations with previous seed
uint16_t x25_upd(const uint8_t *data, size_t len); // Call for subsequent calculations with previous seed
#if !CRC_SW
uint16_t generic(const uint16_t polyom, const uint16_t seed, const uint32_t flags, const uint8_t *data, const size_t datalen); //Not available in non-hw-variant (not T3.x)
#endif
private:
#if CRC_SW
uint16_t seed;
#else
uint16_t update(const uint8_t *data, const size_t datalen);
#endif
};
// ================= 32-BIT CRC ===================
class FastCRC32
{
public:
FastCRC32();
uint32_t crc32(const uint8_t *data, const size_t datalen); // Alias CRC-32/ADCCP, PKZIP, Ethernet, 802.3
uint32_t cksum(const uint8_t *data, const size_t datalen); // Alias CRC-32/POSIX
uint32_t crc32_upd(const uint8_t *data, size_t len); // Call for subsequent calculations with previous seed
uint32_t cksum_upd(const uint8_t *data, size_t len); // Call for subsequent calculations with previous seed
#if !CRC_SW
uint32_t generic(const uint32_t polyom, const uint32_t seed, const uint32_t flags, const uint8_t *data, const size_t datalen); //Not available in non-hw-variant (not T3.x)
#endif
private:
#if CRC_SW
uint32_t seed;
#else
uint32_t update(const uint8_t *data, const size_t datalen);
#endif
};
#endif

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/* FastCRC library code is placed under the MIT license
* Copyright (c) 2014 - 2021 Frank Bösing
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
//
// HW-calculations are 32BIT
//
// Thanks to:
// - Catalogue of parametrised CRC algorithms, CRC RevEng
// http://reveng.sourceforge.net/crc-catalogue/
//
// - Danjel McGougan (CRC-Table-Generator)
//
#if defined(ARDUINO)
#include <Arduino.h>
#endif
#if defined(KINETISK)
#include "mk20dx128.h"
#include "FastCRC.h"
// ===============================================
typedef struct {
union {
uint32_t CRC; //CRC Data register
struct {
uint16_t CRC16;
uint16_t CRC16_1;
};
struct {
uint8_t CRC8;
uint8_t CRC8_1;
uint8_t CRC8_2;
uint8_t CRC8_3;
};
};
uint32_t GPOLY; //CRC Polynomial register
uint32_t CTRL; //CRC Control register
} CRC_T;
static volatile CRC_T * const rCRC = (CRC_T *)0x40032000;
#define CRC_CTRL_WAS 25 // Write CRC Data Register As Seed(1) / Data(0)
#define CRC_CTRL_TCRC 24 // Width of CRC protocol (0=16 BIT, 1=32 BIT)
#define CRC_CTRL_TOTR1 29 // TOTR[1]
// ================= 7-BIT CRC ===================
/** Constructor
* Enables CRC-clock
*/
FastCRC7::FastCRC7(){
SIM_SCGC6 |= SIM_SCGC6_CRC;
}
/** CRC 7
* MultiMediaCard interface
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint8_t FastCRC7::crc7(const uint8_t *data, const size_t datalen)
{
// poly=0x09 init=0x00 refin=false refout=false xorout=0x00 check=0x75
return (generic(0x09, 0, CRC_FLAG_NOREFLECT, data, datalen));
}
/** Update
* Call for subsequent calculations with previous seed
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint8_t FastCRC7::update(const uint8_t *data, const size_t datalen)
{
const uint8_t *src = data;
const uint8_t *target = src + datalen;
while (((uintptr_t)src & 0x03) != 0 && (src < target)) {
rCRC->CRC8_3 = *src++; //Write 8 BIT
}
while (src <= target-4) {
rCRC->CRC = *( uint32_t *)src; //Write 32 BIT
src += 4;
}
while (src < target) {
rCRC->CRC8_3 = *src++; //Write 8 Bit
}
//TODO: Check handling of CRC_CTRL_TOTR1 for other CRC7s
/*
if (rCRC->CTRL & (1<<CRC_CTRL_TOTR1))
return rCRC->CRC8 >> 1;
else
*/
return rCRC->CRC8_3 >> 1;
}
/** generic function for all 7-Bit CRCs
* @param polynom Polynom
* @param seed Seed
* @param flags Flags
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint8_t FastCRC7::generic(const uint8_t polynom, const uint8_t seed, const uint32_t flags, const uint8_t *data,const size_t datalen)
{
rCRC->CTRL = flags | (1<<CRC_CTRL_TCRC) | (1<<CRC_CTRL_WAS); // 32Bit Mode, Prepare to write seed(25)
rCRC->GPOLY = ((uint32_t)polynom)<<(24 + 1); // Set polynom
rCRC->CRC = ((uint32_t)seed<<(24 + 1)); // Write seed
rCRC->CTRL = flags | (1<<CRC_CTRL_TCRC); // Clear WAS Bit - prepare to write data
return update(data, datalen);
}
uint8_t FastCRC7::crc7_upd(const uint8_t *data, size_t datalen){return update(data, datalen);}
// ================= 8-BIT CRC ===================
/** Constructor
* Enables CRC-clock
*/
FastCRC8::FastCRC8(){
SIM_SCGC6 |= SIM_SCGC6_CRC;
}
/** SMBUS CRC
* aka CRC-8
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint8_t FastCRC8::smbus(const uint8_t *data, const size_t datalen)
{
// poly=0x07 init=0x00 refin=false refout=false xorout=0x00 check=0xf4
return generic(0x07, 0, CRC_FLAG_NOREFLECT, data, datalen);
}
/** MAXIM 8-Bit CRC
* equivalent to _crc_ibutton_update() in crc16.h from avr_libc
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint8_t FastCRC8::maxim(const uint8_t *data, const size_t datalen)
{
// poly=0x31 init=0x00 refin=true refout=true xorout=0x00 check=0xa1
return generic(0x31, 0, CRC_FLAG_REFLECT, data, datalen);
}
/** Update
* Call for subsequent calculations with previous seed
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint8_t FastCRC8::update(const uint8_t *data, const size_t datalen)
{
const uint8_t *src = data;
const uint8_t *target = src + datalen;
while (((uintptr_t)src & 0x03) != 0 && (src < target)) {
rCRC->CRC8_3 = *src++; //Write 8 BIT
}
while (src <= target-4) {
rCRC->CRC = *( uint32_t *)src; //Write 32 BIT
src += 4;
}
while (src < target) {
rCRC->CRC8_3 = *src++; //Write 8 Bit
}
if (rCRC->CTRL & (1<<CRC_CTRL_TOTR1))
return rCRC->CRC8;
else
return rCRC->CRC8_3;
}
/** generic function for all 8-Bit CRCs
* @param polynom Polynom
* @param seed Seed
* @param flags Flags
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint8_t FastCRC8::generic(const uint8_t polynom, const uint8_t seed, const uint32_t flags, const uint8_t *data,const size_t datalen)
{
rCRC->CTRL = flags | (1<<CRC_CTRL_TCRC) | (1<<CRC_CTRL_WAS); // 32Bit Mode, Prepare to write seed(25)
rCRC->GPOLY = ((uint32_t)polynom)<<24; // Set polynom
rCRC->CRC = ((uint32_t)seed<<24); // Write seed
rCRC->CTRL = flags | (1<<CRC_CTRL_TCRC); // Clear WAS Bit - prepare to write data
return update(data, datalen);
}
uint8_t FastCRC8::smbus_upd(const uint8_t *data, size_t datalen){return update(data, datalen);}
uint8_t FastCRC8::maxim_upd(const uint8_t *data, size_t datalen){return update(data, datalen);}
// ================= 14-BIT CRC ===================
/** Constructor
* Enables CRC-clock
*/
FastCRC14::FastCRC14(){
SIM_SCGC6 |= SIM_SCGC6_CRC;
}
/** CRC-14/DARC
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC14::darc(const uint8_t *data,const size_t datalen)
{
// poly=0x0805 init=0x0000 refin=true refout=true xorout=0x0000 check=0x082d residue=0x0000
return generic(0x0805, 0x0000, CRC_FLAG_REFLECT, data, datalen);
}
/** CRC-14/GSM
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC14::gsm(const uint8_t *data,const size_t datalen)
{
// poly=0x202d init=0x0000 refin=false refout=false xorout=0x3fff check=0x30ae residue=0x031e
return generic(0x202d, 0x0000, CRC_FLAG_NOREFLECT | CRC_FLAG_XOR, data, datalen);
}
/** CRC-14/ELORAN
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC14::eloran(const uint8_t *data,const size_t datalen)
{
// poly=0x60b1 init=0x0000 refin=false refout=false xorout=0x0000 check=0x38d1
return generic(0x60b1, 0x0, CRC_FLAG_NOREFLECT , data, datalen);
}
/** CRC-14/ft4 : TODO
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
/*
uint16_t FastCRC14::ft4(const uint8_t *data,const size_t datalen)
{
return generic(, , , data, datalen);
}
*/
/** Update
* Call for subsequent calculations with previous seed
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC14::update(const uint8_t *data, const size_t datalen)
{
const uint8_t *src = data;
const uint8_t *target = src + datalen;
while (((uintptr_t)src & 0x03) !=0 && (src < target)) {
rCRC->CRC8_3 = *src++; //Write 8 BIT
}
while (src <= target-4) {
rCRC->CRC = *( uint32_t *)src; //Write 32 BIT
src += 4;
}
while (src < target) {
rCRC->CRC8_3 = *src++; //Write 8 Bit
}
if (rCRC->CTRL & (1<<CRC_CTRL_TOTR1))
return rCRC->CRC16;
else
return rCRC->CRC >> (32 - 14);
}
/** generic function for all 14-Bit CRCs
* @param polynom Polynom
* @param seed Seed
* @param flags Flags
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC14::generic(const uint16_t polynom, const uint16_t seed, const uint32_t flags, const uint8_t *data, const size_t datalen)
{
rCRC->CTRL = flags | (1<<CRC_CTRL_TCRC) | (1<<CRC_CTRL_WAS);// 32-Bit Mode, prepare to write seed(25)
rCRC->GPOLY = ((uint32_t)polynom) << (32 - 14); // set polynom
rCRC->CRC = ((uint32_t)seed << (32 - 14) ); // this is the seed
rCRC->CTRL = flags | (1<<CRC_CTRL_TCRC); // Clear WAS Bit - prepare to write data
return update(data, datalen);
}
uint16_t FastCRC14::darc_upd(const uint8_t *data, size_t len) {return update(data, len);}
uint16_t FastCRC14::gsm_upd(const uint8_t *data, size_t len) {return update(data, len);}
uint16_t FastCRC14::eloran_upd(const uint8_t *data, size_t len) {return update(data, len);}
//uint16_t FastCRC14::ft4(const uint8_t *data, size_t len) {return update(data, len);}
// ================= 16-BIT CRC ===================
/** Constructor
* Enables CRC-clock
*/
FastCRC16::FastCRC16(){
SIM_SCGC6 |= SIM_SCGC6_CRC;
}
/** CCITT
* Alias "false CCITT"
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC16::ccitt(const uint8_t *data,const size_t datalen)
{
// poly=0x1021 init=0xffff refin=false refout=false xorout=0x0000 check=0x29b1
return generic(0x1021, 0XFFFF, CRC_FLAG_NOREFLECT, data, datalen);
}
/** MCRF4XX
* equivalent to _crc_ccitt_update() in crc16.h from avr_libc
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC16::mcrf4xx(const uint8_t *data,const size_t datalen)
{
// poly=0x1021 init=0xffff refin=true refout=true xorout=0x0000 check=0x6f91
return generic(0x1021, 0XFFFF, CRC_FLAG_REFLECT , data, datalen);
}
/** MODBUS
* equivalent to _crc_16_update() in crc16.h from avr_libc
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC16::modbus(const uint8_t *data, const size_t datalen)
{
// poly=0x8005 init=0xffff refin=true refout=true xorout=0x0000 check=0x4b37
return generic(0x8005, 0XFFFF, CRC_FLAG_REFLECT, data, datalen);
}
/** KERMIT
* Alias CRC-16/CCITT, CRC-16/CCITT-TRUE, CRC-CCITT
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC16::kermit(const uint8_t *data, const size_t datalen)
{
// poly=0x1021 init=0x0000 refin=true refout=true xorout=0x0000 check=0x2189
// sometimes byteswapped presentation of result
return generic(0x1021, 0x00, CRC_FLAG_REFLECT, data, datalen);
}
/** XMODEM
* Alias ZMODEM, CRC-16/ACORN
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC16::xmodem(const uint8_t *data, const size_t datalen)
{
//width=16 poly=0x1021 init=0x0000 refin=false refout=false xorout=0x0000 check=0x31c3
return generic(0x1021, 0, CRC_FLAG_NOREFLECT, data, datalen);
}
/** X25
* Alias CRC-16/IBM-SDLC, CRC-16/ISO-HDLC, CRC-B
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC16::x25(const uint8_t *data, const size_t datalen)
{
// poly=0x1021 init=0xffff refin=true refout=true xorout=0xffff check=0x906e
return generic(0x1021, 0XFFFF, CRC_FLAG_REFLECT | CRC_FLAG_XOR, data, datalen);
}
/** Update
* Call for subsequent calculations with previous seed
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC16::update(const uint8_t *data, const size_t datalen)
{
const uint8_t *src = data;
const uint8_t *target = src + datalen;
while (((uintptr_t)src & 0x03) !=0 && (src < target)) {
rCRC->CRC8_3 = *src++; //Write 8 BIT
}
while (src <= target-4) {
rCRC->CRC = *( uint32_t *)src; //Write 32 BIT
src += 4;
}
while (src < target) {
rCRC->CRC8_3 = *src++; //Write 8 Bit
}
if (rCRC->CTRL & (1<<CRC_CTRL_TOTR1))
return rCRC->CRC16;
else
return rCRC->CRC16_1;
}
/** generic function for all 16-Bit CRCs
* @param polynom Polynom
* @param seed Seed
* @param flags Flags
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC16::generic(const uint16_t polynom, const uint16_t seed, const uint32_t flags, const uint8_t *data, const size_t datalen)
{
rCRC->CTRL = flags | (1<<CRC_CTRL_TCRC) | (1<<CRC_CTRL_WAS);// 32-Bit Mode, prepare to write seed(25)
rCRC->GPOLY = ((uint32_t)polynom)<<16; // set polynom
rCRC->CRC = ((uint32_t)seed<<16); // this is the seed
rCRC->CTRL = flags | (1<<CRC_CTRL_TCRC); // Clear WAS Bit - prepare to write data
return update(data, datalen);
}
uint16_t FastCRC16::ccitt_upd(const uint8_t *data, size_t len) {return update(data, len);}
uint16_t FastCRC16::mcrf4xx_upd(const uint8_t *data, size_t len){return update(data, len);}
uint16_t FastCRC16::kermit_upd(const uint8_t *data, size_t len) {return update(data, len);}
uint16_t FastCRC16::modbus_upd(const uint8_t *data, size_t len) {return update(data, len);}
uint16_t FastCRC16::xmodem_upd(const uint8_t *data, size_t len) {return update(data, len);}
uint16_t FastCRC16::x25_upd(const uint8_t *data, size_t len) {return update(data, len);}
// ================= 32-BIT CRC ===================
/** Constructor
* Enables CRC-clock
*/
FastCRC32::FastCRC32(){
SIM_SCGC6 |= SIM_SCGC6_CRC;
}
/** CRC32
* Alias CRC-32/ADCCP, PKZIP, Ethernet, 802.3
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint32_t FastCRC32::crc32(const uint8_t *data, const size_t datalen)
{
// poly=0x04c11db7 init=0xffffffff refin=true refout=true xorout=0xffffffff check=0xcbf43926
return generic(0x04C11DB7L, 0XFFFFFFFFL, CRC_FLAG_REFLECT | CRC_FLAG_XOR, data, datalen);
}
/** CKSUM
* Alias CRC-32/POSIX
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint32_t FastCRC32::cksum(const uint8_t *data, const size_t datalen)
{
// width=32 poly=0x04c11db7 init=0x00000000 refin=false refout=false xorout=0xffffffff check=0x765e7680
return generic(0x04C11DB7L, 0, CRC_FLAG_NOREFLECT | CRC_FLAG_XOR, data, datalen);
}
/** Update
* Call for subsequent calculations with previous seed
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
//#pragma GCC diagnostic ignored "-Wpointer-arith"
uint32_t FastCRC32::update(const uint8_t *data, const size_t datalen)
{
const uint8_t *src = data;
const uint8_t *target = src + datalen;
while (((uintptr_t)src & 0x03) != 0 && (src < target)) {
rCRC->CRC8_3 = *src++; //Write 8 BIT
}
while (src <= target-4) {
rCRC->CRC = *( uint32_t *)src; //Write 32 BIT
src += 4;
}
while (src < target) {
rCRC->CRC8_3 = *src++; //Write 8 Bit
}
return rCRC->CRC;
}
/** generic function for all 32-Bit CRCs
* @param polynom Polynom
* @param seed Seed
* @param flags Flags
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint32_t FastCRC32::generic(const uint32_t polynom, const uint32_t seed, const uint32_t flags, const uint8_t *data, const size_t datalen)
{
rCRC->CTRL = flags | (1<<CRC_CTRL_TCRC) | (1<<CRC_CTRL_WAS); // 32Bit Mode, prepare to write seed(25)
rCRC->GPOLY = polynom; // Set polynom
rCRC->CRC = seed; // This is the seed
rCRC->CTRL = flags | (1<<CRC_CTRL_TCRC); // Clear WAS Bit - prepare to write data
return update(data, datalen);
}
uint32_t FastCRC32::crc32_upd(const uint8_t *data, size_t len){return update(data, len);}
uint32_t FastCRC32::cksum_upd(const uint8_t *data, size_t len){return update(data, len);}
#endif // #if defined(KINETISK)

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@@ -0,0 +1,541 @@
/* FastCRC library code is placed under the MIT license
* Copyright (c) 2014 - 2021 Frank Bösing
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
//
// Thanks to:
// - Catalogue of parametrised CRC algorithms, CRC RevEng
// http://reveng.sourceforge.net/crc-catalogue/
//
// - Danjel McGougan (CRC-Table-Generator)
//
#if defined(ARDUINO)
#include <Arduino.h>
#endif
#if !defined(KINETISK)
#if !defined(ARDUINO)
#define PROGMEM
#define pgm_read_byte(addr) (*(const unsigned char *)(addr))
template <typename T>
static constexpr unsigned short pgm_read_word(T addr) noexcept {
return *(const unsigned short *)(addr);
};
template <typename T>
static constexpr unsigned long pgm_read_dword(T addr) noexcept {
return *(const unsigned long *)(addr);
};
#endif
#include "FastCRC.h"
#include "FastCRC_tables.h"
static inline
uint32_t REV16( uint32_t value)
{
return (value >> 8) | ((value & 0xff) << 8);
}
static inline
uint32_t REV32( uint32_t value)
{
value = (value >> 16) | ((value & 0xffff) << 16);
return ((value >> 8) & 0xff00ff) | ((value & 0xff00ff) << 8);
}
// ================= 7-BIT CRC ===================
/** Constructor
*/
FastCRC7::FastCRC7(){}
/** SMBUS CRC
* aka CRC-8
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint8_t FastCRC7::crc7_upd(const uint8_t *data, size_t datalen)
{
uint8_t crc = seed;
if (datalen) do {
crc = pgm_read_byte(&crc_table_crc7[crc ^ *data]);
data++;
} while (--datalen);
seed = crc;
return crc >> 1;
}
uint8_t FastCRC7::crc7(const uint8_t *data, const size_t datalen)
{
// poly=0x09 init=0x00 refin=false refout=false xorout=0x00 check=0x75
seed = 0x00;
return crc7_upd(data, datalen);
}
// ================= 8-BIT CRC ===================
/** Constructor
*/
FastCRC8::FastCRC8(){}
/** SMBUS CRC
* aka CRC-8
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint8_t FastCRC8::smbus_upd(const uint8_t *data, size_t datalen)
{
uint8_t crc = seed;
if (datalen) do {
crc = pgm_read_byte(&crc_table_smbus[crc ^ *data]);
data++;
} while (--datalen);
seed = crc;
return crc;
}
uint8_t FastCRC8::smbus(const uint8_t *data, const size_t datalen)
{
// poly=0x07 init=0x00 refin=false refout=false xorout=0x00 check=0xf4
seed = 0x00;
return smbus_upd(data, datalen);
}
/** MAXIM 8-Bit CRC
* equivalent to _crc_ibutton_update() in crc16.h from avr_libc
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint8_t FastCRC8::maxim_upd(const uint8_t *data, size_t datalen)
{
uint8_t crc = seed;
if (datalen) do {
crc = pgm_read_byte(&crc_table_maxim[crc ^ *data]);
data++;
} while (--datalen);
seed = crc;
return crc;
}
uint8_t FastCRC8::maxim(const uint8_t *data, const size_t datalen)
{
// poly=0x31 init=0x00 refin=true refout=true xorout=0x00 check=0xa1
seed = 0x00;
return maxim_upd(data, datalen);
}
// ================= 16-BIT CRC ===================
/** Constructor
*/
FastCRC16::FastCRC16(){}
#define crc_n4(crc, data, table) crc ^= data; \
crc = pgm_read_word(&table[(crc & 0xff) + 0x300]) ^ \
pgm_read_word(&table[((crc >> 8) & 0xff) + 0x200]) ^ \
pgm_read_word(&table[((data >> 16) & 0xff) + 0x100]) ^ \
pgm_read_word(&table[data >> 24]);
/** CCITT
* Alias "false CCITT"
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC16::ccitt_upd(const uint8_t *data, size_t len)
{
uint16_t crc = seed;
while (((uintptr_t)data & 3) && len) {
crc = (crc >> 8) ^ pgm_read_word(&crc_table_ccitt[(crc & 0xff) ^ *data++]);
len--;
}
while (len >= 16) {
len -= 16;
crc_n4(crc, ((uint32_t *)data)[0], crc_table_ccitt);
crc_n4(crc, ((uint32_t *)data)[1], crc_table_ccitt);
crc_n4(crc, ((uint32_t *)data)[2], crc_table_ccitt);
crc_n4(crc, ((uint32_t *)data)[3], crc_table_ccitt);
data += 16;
}
while (len--) {
crc = (crc >> 8) ^ pgm_read_word(&crc_table_ccitt[(crc & 0xff) ^ *data++]);
}
seed = crc;
crc = REV16(crc);
return crc;
}
uint16_t FastCRC16::ccitt(const uint8_t *data,const size_t datalen)
{
// poly=0x1021 init=0xffff refin=false refout=false xorout=0x0000 check=0x29b1
seed = 0xffff;
return ccitt_upd(data, datalen);
}
/** MCRF4XX
* equivalent to _crc_ccitt_update() in crc16.h from avr_libc
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC16::mcrf4xx_upd(const uint8_t *data, size_t len)
{
uint16_t crc = seed;
while (((uintptr_t)data & 3) && len) {
crc = (crc >> 8) ^ pgm_read_word(&crc_table_mcrf4xx[(crc & 0xff) ^ *data++]);
len--;
}
while (len >= 16) {
len -= 16;
crc_n4(crc, ((uint32_t *)data)[0], crc_table_mcrf4xx);
crc_n4(crc, ((uint32_t *)data)[1], crc_table_mcrf4xx);
crc_n4(crc, ((uint32_t *)data)[2], crc_table_mcrf4xx);
crc_n4(crc, ((uint32_t *)data)[3], crc_table_mcrf4xx);
data += 16;
}
while (len--) {
crc = (crc >> 8) ^ pgm_read_word(&crc_table_mcrf4xx[(crc & 0xff) ^ *data++]);
}
seed = crc;
return crc;
}
uint16_t FastCRC16::mcrf4xx(const uint8_t *data,const size_t datalen)
{
// poly=0x1021 init=0xffff refin=true refout=true xorout=0x0000 check=0x6f91
seed = 0;
return mcrf4xx_upd(data, datalen);
}
/** MODBUS
* equivalent to _crc_16_update() in crc16.h from avr_libc
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC16::modbus_upd(const uint8_t *data, size_t len)
{
uint16_t crc = seed;
while (((uintptr_t)data & 3) && len) {
crc = (crc >> 8) ^ pgm_read_word(&crc_table_modbus[(crc & 0xff) ^ *data++]);
len--;
}
while (len >= 16) {
len -= 16;
crc_n4(crc, ((uint32_t *)data)[0], crc_table_modbus);
crc_n4(crc, ((uint32_t *)data)[1], crc_table_modbus);
crc_n4(crc, ((uint32_t *)data)[2], crc_table_modbus);
crc_n4(crc, ((uint32_t *)data)[3], crc_table_modbus);
data += 16;
}
while (len--) {
crc = (crc >> 8) ^ pgm_read_word(&crc_table_modbus[(crc & 0xff) ^ *data++]);
}
seed = crc;
return crc;
}
uint16_t FastCRC16::modbus(const uint8_t *data, const size_t datalen)
{
// poly=0x8005 init=0xffff refin=true refout=true xorout=0x0000 check=0x4b37
seed = 0xffff;
return modbus_upd(data, datalen);
}
/** KERMIT
* Alias CRC-16/CCITT, CRC-16/CCITT-TRUE, CRC-CCITT
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC16::kermit_upd(const uint8_t *data, size_t len)
{
uint16_t crc = seed;
while (((uintptr_t)data & 3) && len) {
crc = (crc >> 8) ^ pgm_read_word(&crc_table_kermit[(crc & 0xff) ^ *data++]);
len--;
}
while (len >= 16) {
len -= 16;
crc_n4(crc, ((uint32_t *)data)[0], crc_table_kermit);
crc_n4(crc, ((uint32_t *)data)[1], crc_table_kermit);
crc_n4(crc, ((uint32_t *)data)[2], crc_table_kermit);
crc_n4(crc, ((uint32_t *)data)[3], crc_table_kermit);
data += 16;
}
while (len--) {
crc = (crc >> 8) ^ pgm_read_word(&crc_table_kermit[(crc & 0xff) ^ *data++]);
}
seed = crc;
return crc;
}
uint16_t FastCRC16::kermit(const uint8_t *data, const size_t datalen)
{
// poly=0x1021 init=0x0000 refin=true refout=true xorout=0x0000 check=0x2189
// sometimes byteswapped presentation of result
seed = 0x0000;
return kermit_upd(data, datalen);
}
/** XMODEM
* Alias ZMODEM, CRC-16/ACORN
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC16::xmodem_upd(const uint8_t *data, size_t len)
{
uint16_t crc = seed;
while (((uintptr_t)data & 3) && len) {
crc = (crc >> 8) ^ pgm_read_word(&crc_table_xmodem[(crc & 0xff) ^ *data++]);
len--;
}
while (len >= 16) {
len -= 16;
crc_n4(crc, ((uint32_t *)data)[0], crc_table_xmodem);
crc_n4(crc, ((uint32_t *)data)[1], crc_table_xmodem);
crc_n4(crc, ((uint32_t *)data)[2], crc_table_xmodem);
crc_n4(crc, ((uint32_t *)data)[3], crc_table_xmodem);
data += 16;
}
while (len--) {
crc = (crc >> 8) ^ pgm_read_word(&crc_table_xmodem[(crc & 0xff) ^ *data++]);
}
seed = crc;
crc = REV16(crc);
return crc;
}
uint16_t FastCRC16::xmodem(const uint8_t *data, const size_t datalen)
{
//width=16 poly=0x1021 init=0x0000 refin=false refout=false xorout=0x0000 check=0x31c3
seed = 0x0000;
return xmodem_upd(data, datalen);
}
/** X25
* Alias CRC-16/IBM-SDLC, CRC-16/ISO-HDLC, CRC-B
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
uint16_t FastCRC16::x25_upd(const uint8_t *data, size_t len)
{
uint16_t crc = seed;
while (((uintptr_t)data & 3) && len) {
crc = (crc >> 8) ^ pgm_read_word(&crc_table_x25[(crc & 0xff) ^ *data++]);
len--;
}
while (len >= 16) {
len -= 16;
crc_n4(crc, ((uint32_t *)data)[0], crc_table_x25);
crc_n4(crc, ((uint32_t *)data)[1], crc_table_x25);
crc_n4(crc, ((uint32_t *)data)[2], crc_table_x25);
crc_n4(crc, ((uint32_t *)data)[3], crc_table_x25);
data += 16;
}
while (len--) {
crc = (crc >> 8) ^ pgm_read_word(&crc_table_x25[(crc & 0xff) ^ *data++]);
}
seed = crc;
crc = ~crc;
return crc;
}
uint16_t FastCRC16::x25(const uint8_t *data, const size_t datalen)
{
// poly=0x1021 init=0xffff refin=true refout=true xorout=0xffff check=0x906e
seed = 0xffff;
return x25_upd(data, datalen);
}
// ================= 32-BIT CRC ===================
/** Constructor
*/
FastCRC32::FastCRC32(){}
#define crc_n4d(crc, data, table) crc ^= data; \
crc = pgm_read_dword(&table[(crc & 0xff) + 0x300]) ^ \
pgm_read_dword(&table[((crc >> 8) & 0xff) + 0x200]) ^ \
pgm_read_dword(&table[((crc >> 16) & 0xff) + 0x100]) ^ \
pgm_read_dword(&table[(crc >> 24) & 0xff]);
#define crcsm_n4d(crc, data, table) crc ^= data; \
crc = (crc >> 8) ^ pgm_read_dword(&table[crc & 0xff]); \
crc = (crc >> 8) ^ pgm_read_dword(&table[crc & 0xff]); \
crc = (crc >> 8) ^ pgm_read_dword(&table[crc & 0xff]); \
crc = (crc >> 8) ^ pgm_read_dword(&table[crc & 0xff]);
/** CRC32
* Alias CRC-32/ADCCP, PKZIP, Ethernet, 802.3
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
#if CRC_BIGTABLES
#define CRC_TABLE_CRC32 crc_table_crc32_big
#else
#define CRC_TABLE_CRC32 crc_table_crc32
#endif
uint32_t FastCRC32::crc32_upd(const uint8_t *data, size_t len)
{
uint32_t crc = seed;
while (((uintptr_t)data & 3) && len) {
crc = (crc >> 8) ^ pgm_read_dword(&CRC_TABLE_CRC32[(crc & 0xff) ^ *data++]);
len--;
}
while (len >= 16) {
len -= 16;
#if CRC_BIGTABLES
crc_n4d(crc, ((uint32_t *)data)[0], CRC_TABLE_CRC32);
crc_n4d(crc, ((uint32_t *)data)[1], CRC_TABLE_CRC32);
crc_n4d(crc, ((uint32_t *)data)[2], CRC_TABLE_CRC32);
crc_n4d(crc, ((uint32_t *)data)[3], CRC_TABLE_CRC32);
#else
crcsm_n4d(crc, ((uint32_t *)data)[0], CRC_TABLE_CRC32);
crcsm_n4d(crc, ((uint32_t *)data)[1], CRC_TABLE_CRC32);
crcsm_n4d(crc, ((uint32_t *)data)[2], CRC_TABLE_CRC32);
crcsm_n4d(crc, ((uint32_t *)data)[3], CRC_TABLE_CRC32);
#endif
data += 16;
}
while (len--) {
crc = (crc >> 8) ^ pgm_read_dword(&CRC_TABLE_CRC32[(crc & 0xff) ^ *data++]);
}
seed = crc;
crc = ~crc;
return crc;
}
uint32_t FastCRC32::crc32(const uint8_t *data, const size_t datalen)
{
// poly=0x04c11db7 init=0xffffffff refin=true refout=true xorout=0xffffffff check=0xcbf43926
seed = 0xffffffff;
return crc32_upd(data, datalen);
}
/** CKSUM
* Alias CRC-32/POSIX
* @param data Pointer to Data
* @param datalen Length of Data
* @return CRC value
*/
#if CRC_BIGTABLES
#define CRC_TABLE_CKSUM crc_table_cksum_big
#else
#define CRC_TABLE_CKSUM crc_table_cksum
#endif
uint32_t FastCRC32::cksum_upd(const uint8_t *data, size_t len)
{
uint32_t crc = seed;
while (((uintptr_t)data & 3) && len) {
crc = (crc >> 8) ^ pgm_read_dword(&CRC_TABLE_CKSUM[(crc & 0xff) ^ *data++]);
len--;
}
while (len >= 16) {
len -= 16;
#if CRC_BIGTABLES
crc_n4d(crc, ((uint32_t *)data)[0], CRC_TABLE_CKSUM);
crc_n4d(crc, ((uint32_t *)data)[1], CRC_TABLE_CKSUM);
crc_n4d(crc, ((uint32_t *)data)[2], CRC_TABLE_CKSUM);
crc_n4d(crc, ((uint32_t *)data)[3], CRC_TABLE_CKSUM);
#else
crcsm_n4d(crc, ((uint32_t *)data)[0], CRC_TABLE_CKSUM);
crcsm_n4d(crc, ((uint32_t *)data)[1], CRC_TABLE_CKSUM);
crcsm_n4d(crc, ((uint32_t *)data)[2], CRC_TABLE_CKSUM);
crcsm_n4d(crc, ((uint32_t *)data)[3], CRC_TABLE_CKSUM);
#endif
data += 16;
}
while (len--) {
crc = (crc >> 8) ^ pgm_read_dword(&CRC_TABLE_CKSUM[(crc & 0xff) ^ *data++]);
}
seed = crc;
crc = ~REV32(crc);
return crc;
}
uint32_t FastCRC32::cksum(const uint8_t *data, const size_t datalen)
{
// width=32 poly=0x04c11db7 init=0x00000000 refin=false refout=false xorout=0xffffffff check=0x765e7680
seed = 0x00;
return cksum_upd(data, datalen);
}
#endif // #if !defined(KINETISK)

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The MIT License (MIT)
Copyright (c) 2016 Frank
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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FastCRC
=======
Fast CRC Arduino library
Up to 30 times faster than crc16.h (_avr_libc)
- uses the on-chip hardware for Teensy 3.0 / 3.1 / 3.2 / 3.5 / 3.6
- uses fast table-algorithms for other chips
List of supported CRC calculations:
-
7 BIT:
CRC7
(poly=0x09 init=0x00 refin=false refout=false xorout=0x00 check=0x75)
MultiMediaCard interface
8 BIT:
SMBUS
(poly=0x07 init=0x00 refin=false refout=false xorout=0x00 check=0xf4)
MAXIM
(poly=0x31 init=0x00 refin=true refout=true xorout=0x00 check=0xa1)
16 BIT:
KERMIT (Alias CRC-16/CCITT, CRC-16/CCITT-TRUE, CRC-CCITT)
(poly=0x1021 init=0x0000 refin=true refout=true xorout=0x0000 check=0x2189
Attention: sometimes you'll find byteswapped presentation of result in other implementations)
CCITT-FALSE
(poly=0x1021 init=0xffff refin=false refout=false xorout=0x0000 check=0x29b1)
MCRF4XX
(poly=0x1021 init=0xffff refin=true refout=true xorout=0x0000 check=0x6f91)
MODBUS
(poly=0x8005 init=0xffff refin=true refout=true xorout=0x0000 check=0x4b37)
XMODEM (Alias ZMODEM, CRC-16/ACORN)
(poly=0x1021 init=0x0000 refin=false refout=false xorout=0x0000 check=0x31c3)
X25 (Alias CRC-16/IBM-SDLC, CRC-16/ISO-HDLC, CRC-B)
(poly=0x1021 init=0xffff refin=true refout=true xorout=0xffff check=0x906e)
32 BIT:
CRC32, CRC-32/ADCCP, PKZIP, ETHERNET, 802.3
(poly=0x04c11db7 init=0xffffffff refin=true refout=true xorout=0xffffffff check=0xcbf43926)
CKSUM, CRC-32/POSIX
(poly=0x04c11db7 init=0x00000000 refin=false refout=false xorout=0xffffffff check=0x765e7680)

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_ALLOCATORS_H_
#define RAPIDJSON_ALLOCATORS_H_
#include "rapidjson.h"
RAPIDJSON_NAMESPACE_BEGIN
///////////////////////////////////////////////////////////////////////////////
// Allocator
/*! \class rapidjson::Allocator
\brief Concept for allocating, resizing and freeing memory block.
Note that Malloc() and Realloc() are non-static but Free() is static.
So if an allocator need to support Free(), it needs to put its pointer in
the header of memory block.
\code
concept Allocator {
static const bool kNeedFree; //!< Whether this allocator needs to call
Free().
// Allocate a memory block.
// \param size of the memory block in bytes.
// \returns pointer to the memory block.
void* Malloc(size_t size);
// Resize a memory block.
// \param originalPtr The pointer to current memory block. Null pointer is
permitted.
// \param originalSize The current size in bytes. (Design issue: since some
allocator may not book-keep this, explicitly pass to it can save memory.)
// \param newSize the new size in bytes.
void* Realloc(void* originalPtr, size_t originalSize, size_t newSize);
// Free a memory block.
// \param pointer to the memory block. Null pointer is permitted.
static void Free(void *ptr);
};
\endcode
*/
/*! \def RAPIDJSON_ALLOCATOR_DEFAULT_CHUNK_CAPACITY
\ingroup RAPIDJSON_CONFIG
\brief User-defined kDefaultChunkCapacity definition.
User can define this as any \c size that is a power of 2.
*/
#ifndef RAPIDJSON_ALLOCATOR_DEFAULT_CHUNK_CAPACITY
#define RAPIDJSON_ALLOCATOR_DEFAULT_CHUNK_CAPACITY (64 * 1024)
#endif
///////////////////////////////////////////////////////////////////////////////
// CrtAllocator
//! C-runtime library allocator.
/*! This class is just wrapper for standard C library memory routines.
\note implements Allocator concept
*/
class CrtAllocator {
public:
static const bool kNeedFree = true;
void *Malloc(size_t size) {
if (size) // behavior of malloc(0) is implementation defined.
return std::malloc(size);
else
return NULL; // standardize to returning NULL.
}
void *Realloc(void *originalPtr, size_t originalSize, size_t newSize) {
(void)originalSize;
if (newSize == 0) {
std::free(originalPtr);
return NULL;
}
return std::realloc(originalPtr, newSize);
}
static void Free(void *ptr) { std::free(ptr); }
};
///////////////////////////////////////////////////////////////////////////////
// MemoryPoolAllocator
//! Default memory allocator used by the parser and DOM.
/*! This allocator allocate memory blocks from pre-allocated memory chunks.
It does not free memory blocks. And Realloc() only allocate new memory.
The memory chunks are allocated by BaseAllocator, which is CrtAllocator by
default.
User may also supply a buffer as the first chunk.
If the user-buffer is full then additional chunks are allocated by
BaseAllocator.
The user-buffer is not deallocated by this allocator.
\tparam BaseAllocator the allocator type for allocating memory chunks.
Default is CrtAllocator. \note implements Allocator concept
*/
template <typename BaseAllocator = CrtAllocator>
class MemoryPoolAllocator {
public:
static const bool kNeedFree =
false; //!< Tell users that no need to call Free() with this allocator.
//!< (concept Allocator)
//! Constructor with chunkSize.
/*! \param chunkSize The size of memory chunk. The default is
kDefaultChunkSize. \param baseAllocator The allocator for allocating memory
chunks.
*/
MemoryPoolAllocator(size_t chunkSize = kDefaultChunkCapacity,
BaseAllocator *baseAllocator = 0)
: chunkHead_(0),
chunk_capacity_(chunkSize),
userBuffer_(0),
baseAllocator_(baseAllocator),
ownBaseAllocator_(0) {}
//! Constructor with user-supplied buffer.
/*! The user buffer will be used firstly. When it is full, memory pool
allocates new chunk with chunk size.
The user buffer will not be deallocated when this allocator is destructed.
\param buffer User supplied buffer.
\param size Size of the buffer in bytes. It must at least larger than
sizeof(ChunkHeader). \param chunkSize The size of memory chunk. The default
is kDefaultChunkSize. \param baseAllocator The allocator for allocating
memory chunks.
*/
MemoryPoolAllocator(void *buffer, size_t size,
size_t chunkSize = kDefaultChunkCapacity,
BaseAllocator *baseAllocator = 0)
: chunkHead_(0),
chunk_capacity_(chunkSize),
userBuffer_(buffer),
baseAllocator_(baseAllocator),
ownBaseAllocator_(0) {
RAPIDJSON_ASSERT(buffer != 0);
RAPIDJSON_ASSERT(size > sizeof(ChunkHeader));
chunkHead_ = reinterpret_cast<ChunkHeader *>(buffer);
chunkHead_->capacity = size - sizeof(ChunkHeader);
chunkHead_->size = 0;
chunkHead_->next = 0;
}
//! Destructor.
/*! This deallocates all memory chunks, excluding the user-supplied buffer.
*/
~MemoryPoolAllocator() {
Clear();
RAPIDJSON_DELETE(ownBaseAllocator_);
}
//! Deallocates all memory chunks, excluding the user-supplied buffer.
void Clear() {
while (chunkHead_ && chunkHead_ != userBuffer_) {
ChunkHeader *next = chunkHead_->next;
baseAllocator_->Free(chunkHead_);
chunkHead_ = next;
}
if (chunkHead_ && chunkHead_ == userBuffer_)
chunkHead_->size = 0; // Clear user buffer
}
//! Computes the total capacity of allocated memory chunks.
/*! \return total capacity in bytes.
*/
size_t Capacity() const {
size_t capacity = 0;
for (ChunkHeader *c = chunkHead_; c != 0; c = c->next)
capacity += c->capacity;
return capacity;
}
//! Computes the memory blocks allocated.
/*! \return total used bytes.
*/
size_t Size() const {
size_t size = 0;
for (ChunkHeader *c = chunkHead_; c != 0; c = c->next) size += c->size;
return size;
}
//! Allocates a memory block. (concept Allocator)
void *Malloc(size_t size) {
if (!size) return NULL;
size = RAPIDJSON_ALIGN(size);
if (chunkHead_ == 0 || chunkHead_->size + size > chunkHead_->capacity)
if (!AddChunk(chunk_capacity_ > size ? chunk_capacity_ : size))
return NULL;
void *buffer = reinterpret_cast<char *>(chunkHead_) +
RAPIDJSON_ALIGN(sizeof(ChunkHeader)) + chunkHead_->size;
chunkHead_->size += size;
return buffer;
}
//! Resizes a memory block (concept Allocator)
void *Realloc(void *originalPtr, size_t originalSize, size_t newSize) {
if (originalPtr == 0) return Malloc(newSize);
if (newSize == 0) return NULL;
originalSize = RAPIDJSON_ALIGN(originalSize);
newSize = RAPIDJSON_ALIGN(newSize);
// Do not shrink if new size is smaller than original
if (originalSize >= newSize) return originalPtr;
// Simply expand it if it is the last allocation and there is sufficient
// space
if (originalPtr ==
reinterpret_cast<char *>(chunkHead_) +
RAPIDJSON_ALIGN(sizeof(ChunkHeader)) + chunkHead_->size -
originalSize) {
size_t increment = static_cast<size_t>(newSize - originalSize);
if (chunkHead_->size + increment <= chunkHead_->capacity) {
chunkHead_->size += increment;
return originalPtr;
}
}
// Realloc process: allocate and copy memory, do not free original buffer.
if (void *newBuffer = Malloc(newSize)) {
if (originalSize) std::memcpy(newBuffer, originalPtr, originalSize);
return newBuffer;
} else
return NULL;
}
//! Frees a memory block (concept Allocator)
static void Free(void *ptr) { (void)ptr; } // Do nothing
private:
//! Copy constructor is not permitted.
MemoryPoolAllocator(const MemoryPoolAllocator &rhs) /* = delete */;
//! Copy assignment operator is not permitted.
MemoryPoolAllocator &operator=(const MemoryPoolAllocator &rhs) /* = delete */;
//! Creates a new chunk.
/*! \param capacity Capacity of the chunk in bytes.
\return true if success.
*/
bool AddChunk(size_t capacity) {
if (!baseAllocator_)
ownBaseAllocator_ = baseAllocator_ = RAPIDJSON_NEW(BaseAllocator)();
if (ChunkHeader *chunk =
reinterpret_cast<ChunkHeader *>(baseAllocator_->Malloc(
RAPIDJSON_ALIGN(sizeof(ChunkHeader)) + capacity))) {
chunk->capacity = capacity;
chunk->size = 0;
chunk->next = chunkHead_;
chunkHead_ = chunk;
return true;
} else
return false;
}
static const int kDefaultChunkCapacity =
RAPIDJSON_ALLOCATOR_DEFAULT_CHUNK_CAPACITY; //!< Default chunk capacity.
//! Chunk header for perpending to each chunk.
/*! Chunks are stored as a singly linked list.
*/
struct ChunkHeader {
size_t capacity; //!< Capacity of the chunk in bytes (excluding the header
//!< itself).
size_t size; //!< Current size of allocated memory in bytes.
ChunkHeader *next; //!< Next chunk in the linked list.
};
ChunkHeader *chunkHead_; //!< Head of the chunk linked-list. Only the head
//!< chunk serves allocation.
size_t chunk_capacity_; //!< The minimum capacity of chunk when they are
//!< allocated.
void *userBuffer_; //!< User supplied buffer.
BaseAllocator
*baseAllocator_; //!< base allocator for allocating memory chunks.
BaseAllocator *ownBaseAllocator_; //!< base allocator created by this object.
};
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_ENCODINGS_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_CURSORSTREAMWRAPPER_H_
#define RAPIDJSON_CURSORSTREAMWRAPPER_H_
#include "stream.h"
#if defined(__GNUC__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
#endif
#if defined(_MSC_VER) && _MSC_VER <= 1800
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(4702) // unreachable code
RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Cursor stream wrapper for counting line and column number if error exists.
/*!
\tparam InputStream Any stream that implements Stream Concept
*/
template <typename InputStream, typename Encoding = UTF8<>>
class CursorStreamWrapper : public GenericStreamWrapper<InputStream, Encoding> {
public:
typedef typename Encoding::Ch Ch;
CursorStreamWrapper(InputStream &is)
: GenericStreamWrapper<InputStream, Encoding>(is), line_(1), col_(0) {}
// counting line and column number
Ch Take() {
Ch ch = this->is_.Take();
if (ch == '\n') {
line_++;
col_ = 0;
} else {
col_++;
}
return ch;
}
//! Get the error line number, if error exists.
size_t GetLine() const { return line_; }
//! Get the error column number, if error exists.
size_t GetColumn() const { return col_; }
private:
size_t line_; //!< Current Line
size_t col_; //!< Current Column
};
#if defined(_MSC_VER) && _MSC_VER <= 1800
RAPIDJSON_DIAG_POP
#endif
#if defined(__GNUC__)
RAPIDJSON_DIAG_POP
#endif
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_CURSORSTREAMWRAPPER_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_ENCODEDSTREAM_H_
#define RAPIDJSON_ENCODEDSTREAM_H_
#include "memorystream.h"
#include "stream.h"
#ifdef __GNUC__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
#endif
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Input byte stream wrapper with a statically bound encoding.
/*!
\tparam Encoding The interpretation of encoding of the stream. Either UTF8,
UTF16LE, UTF16BE, UTF32LE, UTF32BE. \tparam InputByteStream Type of input
byte stream. For example, FileReadStream.
*/
template <typename Encoding, typename InputByteStream>
class EncodedInputStream {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
public:
typedef typename Encoding::Ch Ch;
EncodedInputStream(InputByteStream &is) : is_(is) {
current_ = Encoding::TakeBOM(is_);
}
Ch Peek() const { return current_; }
Ch Take() {
Ch c = current_;
current_ = Encoding::Take(is_);
return c;
}
size_t Tell() const { return is_.Tell(); }
// Not implemented
void Put(Ch) { RAPIDJSON_ASSERT(false); }
void Flush() { RAPIDJSON_ASSERT(false); }
Ch *PutBegin() {
RAPIDJSON_ASSERT(false);
return 0;
}
size_t PutEnd(Ch *) {
RAPIDJSON_ASSERT(false);
return 0;
}
private:
EncodedInputStream(const EncodedInputStream &);
EncodedInputStream &operator=(const EncodedInputStream &);
InputByteStream &is_;
Ch current_;
};
//! Specialized for UTF8 MemoryStream.
template <>
class EncodedInputStream<UTF8<>, MemoryStream> {
public:
typedef UTF8<>::Ch Ch;
EncodedInputStream(MemoryStream &is) : is_(is) {
if (static_cast<unsigned char>(is_.Peek()) == 0xEFu) is_.Take();
if (static_cast<unsigned char>(is_.Peek()) == 0xBBu) is_.Take();
if (static_cast<unsigned char>(is_.Peek()) == 0xBFu) is_.Take();
}
Ch Peek() const { return is_.Peek(); }
Ch Take() { return is_.Take(); }
size_t Tell() const { return is_.Tell(); }
// Not implemented
void Put(Ch) {}
void Flush() {}
Ch *PutBegin() { return 0; }
size_t PutEnd(Ch *) { return 0; }
MemoryStream &is_;
private:
EncodedInputStream(const EncodedInputStream &);
EncodedInputStream &operator=(const EncodedInputStream &);
};
//! Output byte stream wrapper with statically bound encoding.
/*!
\tparam Encoding The interpretation of encoding of the stream. Either UTF8,
UTF16LE, UTF16BE, UTF32LE, UTF32BE. \tparam OutputByteStream Type of input
byte stream. For example, FileWriteStream.
*/
template <typename Encoding, typename OutputByteStream>
class EncodedOutputStream {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
public:
typedef typename Encoding::Ch Ch;
EncodedOutputStream(OutputByteStream &os, bool putBOM = true) : os_(os) {
if (putBOM) Encoding::PutBOM(os_);
}
void Put(Ch c) { Encoding::Put(os_, c); }
void Flush() { os_.Flush(); }
// Not implemented
Ch Peek() const {
RAPIDJSON_ASSERT(false);
return 0;
}
Ch Take() {
RAPIDJSON_ASSERT(false);
return 0;
}
size_t Tell() const {
RAPIDJSON_ASSERT(false);
return 0;
}
Ch *PutBegin() {
RAPIDJSON_ASSERT(false);
return 0;
}
size_t PutEnd(Ch *) {
RAPIDJSON_ASSERT(false);
return 0;
}
private:
EncodedOutputStream(const EncodedOutputStream &);
EncodedOutputStream &operator=(const EncodedOutputStream &);
OutputByteStream &os_;
};
#define RAPIDJSON_ENCODINGS_FUNC(x) \
UTF8<Ch>::x, UTF16LE<Ch>::x, UTF16BE<Ch>::x, UTF32LE<Ch>::x, UTF32BE<Ch>::x
//! Input stream wrapper with dynamically bound encoding and automatic encoding
//! detection.
/*!
\tparam CharType Type of character for reading.
\tparam InputByteStream type of input byte stream to be wrapped.
*/
template <typename CharType, typename InputByteStream>
class AutoUTFInputStream {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
public:
typedef CharType Ch;
//! Constructor.
/*!
\param is input stream to be wrapped.
\param type UTF encoding type if it is not detected from the stream.
*/
AutoUTFInputStream(InputByteStream &is, UTFType type = kUTF8)
: is_(&is), type_(type), hasBOM_(false) {
RAPIDJSON_ASSERT(type >= kUTF8 && type <= kUTF32BE);
DetectType();
static const TakeFunc f[] = {RAPIDJSON_ENCODINGS_FUNC(Take)};
takeFunc_ = f[type_];
current_ = takeFunc_(*is_);
}
UTFType GetType() const { return type_; }
bool HasBOM() const { return hasBOM_; }
Ch Peek() const { return current_; }
Ch Take() {
Ch c = current_;
current_ = takeFunc_(*is_);
return c;
}
size_t Tell() const { return is_->Tell(); }
// Not implemented
void Put(Ch) { RAPIDJSON_ASSERT(false); }
void Flush() { RAPIDJSON_ASSERT(false); }
Ch *PutBegin() {
RAPIDJSON_ASSERT(false);
return 0;
}
size_t PutEnd(Ch *) {
RAPIDJSON_ASSERT(false);
return 0;
}
private:
AutoUTFInputStream(const AutoUTFInputStream &);
AutoUTFInputStream &operator=(const AutoUTFInputStream &);
// Detect encoding type with BOM or RFC 4627
void DetectType() {
// BOM (Byte Order Mark):
// 00 00 FE FF UTF-32BE
// FF FE 00 00 UTF-32LE
// FE FF UTF-16BE
// FF FE UTF-16LE
// EF BB BF UTF-8
const unsigned char *c =
reinterpret_cast<const unsigned char *>(is_->Peek4());
if (!c) return;
unsigned bom =
static_cast<unsigned>(c[0] | (c[1] << 8) | (c[2] << 16) | (c[3] << 24));
hasBOM_ = false;
if (bom == 0xFFFE0000) {
type_ = kUTF32BE;
hasBOM_ = true;
is_->Take();
is_->Take();
is_->Take();
is_->Take();
} else if (bom == 0x0000FEFF) {
type_ = kUTF32LE;
hasBOM_ = true;
is_->Take();
is_->Take();
is_->Take();
is_->Take();
} else if ((bom & 0xFFFF) == 0xFFFE) {
type_ = kUTF16BE;
hasBOM_ = true;
is_->Take();
is_->Take();
} else if ((bom & 0xFFFF) == 0xFEFF) {
type_ = kUTF16LE;
hasBOM_ = true;
is_->Take();
is_->Take();
} else if ((bom & 0xFFFFFF) == 0xBFBBEF) {
type_ = kUTF8;
hasBOM_ = true;
is_->Take();
is_->Take();
is_->Take();
}
// RFC 4627: Section 3
// "Since the first two characters of a JSON text will always be ASCII
// characters [RFC0020], it is possible to determine whether an octet
// stream is UTF-8, UTF-16 (BE or LE), or UTF-32 (BE or LE) by looking
// at the pattern of nulls in the first four octets."
// 00 00 00 xx UTF-32BE
// 00 xx 00 xx UTF-16BE
// xx 00 00 00 UTF-32LE
// xx 00 xx 00 UTF-16LE
// xx xx xx xx UTF-8
if (!hasBOM_) {
int pattern =
(c[0] ? 1 : 0) | (c[1] ? 2 : 0) | (c[2] ? 4 : 0) | (c[3] ? 8 : 0);
switch (pattern) {
case 0x08:
type_ = kUTF32BE;
break;
case 0x0A:
type_ = kUTF16BE;
break;
case 0x01:
type_ = kUTF32LE;
break;
case 0x05:
type_ = kUTF16LE;
break;
case 0x0F:
type_ = kUTF8;
break;
default:
break; // Use type defined by user.
}
}
// Runtime check whether the size of character type is sufficient. It only
// perform checks with assertion.
if (type_ == kUTF16LE || type_ == kUTF16BE)
RAPIDJSON_ASSERT(sizeof(Ch) >= 2);
if (type_ == kUTF32LE || type_ == kUTF32BE)
RAPIDJSON_ASSERT(sizeof(Ch) >= 4);
}
typedef Ch (*TakeFunc)(InputByteStream &is);
InputByteStream *is_;
UTFType type_;
Ch current_;
TakeFunc takeFunc_;
bool hasBOM_;
};
//! Output stream wrapper with dynamically bound encoding and automatic encoding
//! detection.
/*!
\tparam CharType Type of character for writing.
\tparam OutputByteStream type of output byte stream to be wrapped.
*/
template <typename CharType, typename OutputByteStream>
class AutoUTFOutputStream {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
public:
typedef CharType Ch;
//! Constructor.
/*!
\param os output stream to be wrapped.
\param type UTF encoding type.
\param putBOM Whether to write BOM at the beginning of the stream.
*/
AutoUTFOutputStream(OutputByteStream &os, UTFType type, bool putBOM)
: os_(&os), type_(type) {
RAPIDJSON_ASSERT(type >= kUTF8 && type <= kUTF32BE);
// Runtime check whether the size of character type is sufficient. It only
// perform checks with assertion.
if (type_ == kUTF16LE || type_ == kUTF16BE)
RAPIDJSON_ASSERT(sizeof(Ch) >= 2);
if (type_ == kUTF32LE || type_ == kUTF32BE)
RAPIDJSON_ASSERT(sizeof(Ch) >= 4);
static const PutFunc f[] = {RAPIDJSON_ENCODINGS_FUNC(Put)};
putFunc_ = f[type_];
if (putBOM) PutBOM();
}
UTFType GetType() const { return type_; }
void Put(Ch c) { putFunc_(*os_, c); }
void Flush() { os_->Flush(); }
// Not implemented
Ch Peek() const {
RAPIDJSON_ASSERT(false);
return 0;
}
Ch Take() {
RAPIDJSON_ASSERT(false);
return 0;
}
size_t Tell() const {
RAPIDJSON_ASSERT(false);
return 0;
}
Ch *PutBegin() {
RAPIDJSON_ASSERT(false);
return 0;
}
size_t PutEnd(Ch *) {
RAPIDJSON_ASSERT(false);
return 0;
}
private:
AutoUTFOutputStream(const AutoUTFOutputStream &);
AutoUTFOutputStream &operator=(const AutoUTFOutputStream &);
void PutBOM() {
typedef void (*PutBOMFunc)(OutputByteStream &);
static const PutBOMFunc f[] = {RAPIDJSON_ENCODINGS_FUNC(PutBOM)};
f[type_](*os_);
}
typedef void (*PutFunc)(OutputByteStream &, Ch);
OutputByteStream *os_;
UTFType type_;
PutFunc putFunc_;
};
#undef RAPIDJSON_ENCODINGS_FUNC
RAPIDJSON_NAMESPACE_END
#ifdef __clang__
RAPIDJSON_DIAG_POP
#endif
#ifdef __GNUC__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_FILESTREAM_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_ENCODINGS_H_
#define RAPIDJSON_ENCODINGS_H_
#include "rapidjson.h"
#if defined(_MSC_VER) && !defined(__clang__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(
4244) // conversion from 'type1' to 'type2', possible loss of data
RAPIDJSON_DIAG_OFF(4702) // unreachable code
#elif defined(__GNUC__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
RAPIDJSON_DIAG_OFF(overflow)
#endif
RAPIDJSON_NAMESPACE_BEGIN
///////////////////////////////////////////////////////////////////////////////
// Encoding
/*! \class rapidjson::Encoding
\brief Concept for encoding of Unicode characters.
\code
concept Encoding {
typename Ch; //! Type of character. A "character" is actually a code unit
in unicode's definition.
enum { supportUnicode = 1 }; // or 0 if not supporting unicode
//! \brief Encode a Unicode codepoint to an output stream.
//! \param os Output stream.
//! \param codepoint An unicode codepoint, ranging from 0x0 to 0x10FFFF
inclusively. template<typename OutputStream> static void Encode(OutputStream&
os, unsigned codepoint);
//! \brief Decode a Unicode codepoint from an input stream.
//! \param is Input stream.
//! \param codepoint Output of the unicode codepoint.
//! \return true if a valid codepoint can be decoded from the stream.
template <typename InputStream>
static bool Decode(InputStream& is, unsigned* codepoint);
//! \brief Validate one Unicode codepoint from an encoded stream.
//! \param is Input stream to obtain codepoint.
//! \param os Output for copying one codepoint.
//! \return true if it is valid.
//! \note This function just validating and copying the codepoint without
actually decode it. template <typename InputStream, typename OutputStream>
static bool Validate(InputStream& is, OutputStream& os);
// The following functions are deal with byte streams.
//! Take a character from input byte stream, skip BOM if exist.
template <typename InputByteStream>
static CharType TakeBOM(InputByteStream& is);
//! Take a character from input byte stream.
template <typename InputByteStream>
static Ch Take(InputByteStream& is);
//! Put BOM to output byte stream.
template <typename OutputByteStream>
static void PutBOM(OutputByteStream& os);
//! Put a character to output byte stream.
template <typename OutputByteStream>
static void Put(OutputByteStream& os, Ch c);
};
\endcode
*/
///////////////////////////////////////////////////////////////////////////////
// UTF8
//! UTF-8 encoding.
/*! http://en.wikipedia.org/wiki/UTF-8
http://tools.ietf.org/html/rfc3629
\tparam CharType Code unit for storing 8-bit UTF-8 data. Default is char.
\note implements Encoding concept
*/
template <typename CharType = char>
struct UTF8 {
typedef CharType Ch;
enum { supportUnicode = 1 };
template <typename OutputStream>
static void Encode(OutputStream &os, unsigned codepoint) {
if (codepoint <= 0x7F)
os.Put(static_cast<Ch>(codepoint & 0xFF));
else if (codepoint <= 0x7FF) {
os.Put(static_cast<Ch>(0xC0 | ((codepoint >> 6) & 0xFF)));
os.Put(static_cast<Ch>(0x80 | ((codepoint & 0x3F))));
} else if (codepoint <= 0xFFFF) {
os.Put(static_cast<Ch>(0xE0 | ((codepoint >> 12) & 0xFF)));
os.Put(static_cast<Ch>(0x80 | ((codepoint >> 6) & 0x3F)));
os.Put(static_cast<Ch>(0x80 | (codepoint & 0x3F)));
} else {
RAPIDJSON_ASSERT(codepoint <= 0x10FFFF);
os.Put(static_cast<Ch>(0xF0 | ((codepoint >> 18) & 0xFF)));
os.Put(static_cast<Ch>(0x80 | ((codepoint >> 12) & 0x3F)));
os.Put(static_cast<Ch>(0x80 | ((codepoint >> 6) & 0x3F)));
os.Put(static_cast<Ch>(0x80 | (codepoint & 0x3F)));
}
}
template <typename OutputStream>
static void EncodeUnsafe(OutputStream &os, unsigned codepoint) {
if (codepoint <= 0x7F)
PutUnsafe(os, static_cast<Ch>(codepoint & 0xFF));
else if (codepoint <= 0x7FF) {
PutUnsafe(os, static_cast<Ch>(0xC0 | ((codepoint >> 6) & 0xFF)));
PutUnsafe(os, static_cast<Ch>(0x80 | ((codepoint & 0x3F))));
} else if (codepoint <= 0xFFFF) {
PutUnsafe(os, static_cast<Ch>(0xE0 | ((codepoint >> 12) & 0xFF)));
PutUnsafe(os, static_cast<Ch>(0x80 | ((codepoint >> 6) & 0x3F)));
PutUnsafe(os, static_cast<Ch>(0x80 | (codepoint & 0x3F)));
} else {
RAPIDJSON_ASSERT(codepoint <= 0x10FFFF);
PutUnsafe(os, static_cast<Ch>(0xF0 | ((codepoint >> 18) & 0xFF)));
PutUnsafe(os, static_cast<Ch>(0x80 | ((codepoint >> 12) & 0x3F)));
PutUnsafe(os, static_cast<Ch>(0x80 | ((codepoint >> 6) & 0x3F)));
PutUnsafe(os, static_cast<Ch>(0x80 | (codepoint & 0x3F)));
}
}
template <typename InputStream>
static bool Decode(InputStream &is, unsigned *codepoint) {
#define RAPIDJSON_COPY() \
c = is.Take(); \
*codepoint = (*codepoint << 6) | (static_cast<unsigned char>(c) & 0x3Fu)
#define RAPIDJSON_TRANS(mask) \
result &= ((GetRange(static_cast<unsigned char>(c)) & mask) != 0)
#define RAPIDJSON_TAIL() \
RAPIDJSON_COPY(); \
RAPIDJSON_TRANS(0x70)
typename InputStream::Ch c = is.Take();
if (!(c & 0x80)) {
*codepoint = static_cast<unsigned char>(c);
return true;
}
unsigned char type = GetRange(static_cast<unsigned char>(c));
if (type >= 32) {
*codepoint = 0;
} else {
*codepoint = (0xFFu >> type) & static_cast<unsigned char>(c);
}
bool result = true;
switch (type) {
case 2:
RAPIDJSON_TAIL();
return result;
case 3:
RAPIDJSON_TAIL();
RAPIDJSON_TAIL();
return result;
case 4:
RAPIDJSON_COPY();
RAPIDJSON_TRANS(0x50);
RAPIDJSON_TAIL();
return result;
case 5:
RAPIDJSON_COPY();
RAPIDJSON_TRANS(0x10);
RAPIDJSON_TAIL();
RAPIDJSON_TAIL();
return result;
case 6:
RAPIDJSON_TAIL();
RAPIDJSON_TAIL();
RAPIDJSON_TAIL();
return result;
case 10:
RAPIDJSON_COPY();
RAPIDJSON_TRANS(0x20);
RAPIDJSON_TAIL();
return result;
case 11:
RAPIDJSON_COPY();
RAPIDJSON_TRANS(0x60);
RAPIDJSON_TAIL();
RAPIDJSON_TAIL();
return result;
default:
return false;
}
#undef RAPIDJSON_COPY
#undef RAPIDJSON_TRANS
#undef RAPIDJSON_TAIL
}
template <typename InputStream, typename OutputStream>
static bool Validate(InputStream &is, OutputStream &os) {
#define RAPIDJSON_COPY() os.Put(c = is.Take())
#define RAPIDJSON_TRANS(mask) \
result &= ((GetRange(static_cast<unsigned char>(c)) & mask) != 0)
#define RAPIDJSON_TAIL() \
RAPIDJSON_COPY(); \
RAPIDJSON_TRANS(0x70)
Ch c;
RAPIDJSON_COPY();
if (!(c & 0x80)) return true;
bool result = true;
switch (GetRange(static_cast<unsigned char>(c))) {
case 2:
RAPIDJSON_TAIL();
return result;
case 3:
RAPIDJSON_TAIL();
RAPIDJSON_TAIL();
return result;
case 4:
RAPIDJSON_COPY();
RAPIDJSON_TRANS(0x50);
RAPIDJSON_TAIL();
return result;
case 5:
RAPIDJSON_COPY();
RAPIDJSON_TRANS(0x10);
RAPIDJSON_TAIL();
RAPIDJSON_TAIL();
return result;
case 6:
RAPIDJSON_TAIL();
RAPIDJSON_TAIL();
RAPIDJSON_TAIL();
return result;
case 10:
RAPIDJSON_COPY();
RAPIDJSON_TRANS(0x20);
RAPIDJSON_TAIL();
return result;
case 11:
RAPIDJSON_COPY();
RAPIDJSON_TRANS(0x60);
RAPIDJSON_TAIL();
RAPIDJSON_TAIL();
return result;
default:
return false;
}
#undef RAPIDJSON_COPY
#undef RAPIDJSON_TRANS
#undef RAPIDJSON_TAIL
}
static unsigned char GetRange(unsigned char c) {
// Referring to DFA of http://bjoern.hoehrmann.de/utf-8/decoder/dfa/
// With new mapping 1 -> 0x10, 7 -> 0x20, 9 -> 0x40, such that AND operation
// can test multiple types.
static const unsigned char type[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0x10, 0x10, 0x10, 0x10,
0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40,
0x40, 0x40, 0x40, 0x40, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 10, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 3, 3,
11, 6, 6, 6, 5, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8,
};
return type[c];
}
template <typename InputByteStream>
static CharType TakeBOM(InputByteStream &is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
typename InputByteStream::Ch c = Take(is);
if (static_cast<unsigned char>(c) != 0xEFu) return c;
c = is.Take();
if (static_cast<unsigned char>(c) != 0xBBu) return c;
c = is.Take();
if (static_cast<unsigned char>(c) != 0xBFu) return c;
c = is.Take();
return c;
}
template <typename InputByteStream>
static Ch Take(InputByteStream &is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
return static_cast<Ch>(is.Take());
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream &os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(0xEFu));
os.Put(static_cast<typename OutputByteStream::Ch>(0xBBu));
os.Put(static_cast<typename OutputByteStream::Ch>(0xBFu));
}
template <typename OutputByteStream>
static void Put(OutputByteStream &os, Ch c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(c));
}
};
///////////////////////////////////////////////////////////////////////////////
// UTF16
//! UTF-16 encoding.
/*! http://en.wikipedia.org/wiki/UTF-16
http://tools.ietf.org/html/rfc2781
\tparam CharType Type for storing 16-bit UTF-16 data. Default is wchar_t.
C++11 may use char16_t instead. \note implements Encoding concept
\note For in-memory access, no need to concern endianness. The code units
and code points are represented by CPU's endianness. For streaming, use
UTF16LE and UTF16BE, which handle endianness.
*/
template <typename CharType = wchar_t>
struct UTF16 {
typedef CharType Ch;
RAPIDJSON_STATIC_ASSERT(sizeof(Ch) >= 2);
enum { supportUnicode = 1 };
template <typename OutputStream>
static void Encode(OutputStream &os, unsigned codepoint) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputStream::Ch) >= 2);
if (codepoint <= 0xFFFF) {
RAPIDJSON_ASSERT(
codepoint < 0xD800 ||
codepoint > 0xDFFF); // Code point itself cannot be surrogate pair
os.Put(static_cast<typename OutputStream::Ch>(codepoint));
} else {
RAPIDJSON_ASSERT(codepoint <= 0x10FFFF);
unsigned v = codepoint - 0x10000;
os.Put(static_cast<typename OutputStream::Ch>((v >> 10) | 0xD800));
os.Put(static_cast<typename OutputStream::Ch>((v & 0x3FF) | 0xDC00));
}
}
template <typename OutputStream>
static void EncodeUnsafe(OutputStream &os, unsigned codepoint) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputStream::Ch) >= 2);
if (codepoint <= 0xFFFF) {
RAPIDJSON_ASSERT(
codepoint < 0xD800 ||
codepoint > 0xDFFF); // Code point itself cannot be surrogate pair
PutUnsafe(os, static_cast<typename OutputStream::Ch>(codepoint));
} else {
RAPIDJSON_ASSERT(codepoint <= 0x10FFFF);
unsigned v = codepoint - 0x10000;
PutUnsafe(os, static_cast<typename OutputStream::Ch>((v >> 10) | 0xD800));
PutUnsafe(os,
static_cast<typename OutputStream::Ch>((v & 0x3FF) | 0xDC00));
}
}
template <typename InputStream>
static bool Decode(InputStream &is, unsigned *codepoint) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputStream::Ch) >= 2);
typename InputStream::Ch c = is.Take();
if (c < 0xD800 || c > 0xDFFF) {
*codepoint = static_cast<unsigned>(c);
return true;
} else if (c <= 0xDBFF) {
*codepoint = (static_cast<unsigned>(c) & 0x3FF) << 10;
c = is.Take();
*codepoint |= (static_cast<unsigned>(c) & 0x3FF);
*codepoint += 0x10000;
return c >= 0xDC00 && c <= 0xDFFF;
}
return false;
}
template <typename InputStream, typename OutputStream>
static bool Validate(InputStream &is, OutputStream &os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputStream::Ch) >= 2);
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputStream::Ch) >= 2);
typename InputStream::Ch c;
os.Put(static_cast<typename OutputStream::Ch>(c = is.Take()));
if (c < 0xD800 || c > 0xDFFF)
return true;
else if (c <= 0xDBFF) {
os.Put(c = is.Take());
return c >= 0xDC00 && c <= 0xDFFF;
}
return false;
}
};
//! UTF-16 little endian encoding.
template <typename CharType = wchar_t>
struct UTF16LE : UTF16<CharType> {
template <typename InputByteStream>
static CharType TakeBOM(InputByteStream &is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
CharType c = Take(is);
return static_cast<uint16_t>(c) == 0xFEFFu ? Take(is) : c;
}
template <typename InputByteStream>
static CharType Take(InputByteStream &is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
unsigned c = static_cast<uint8_t>(is.Take());
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 8;
return static_cast<CharType>(c);
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream &os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>(0xFEu));
}
template <typename OutputByteStream>
static void Put(OutputByteStream &os, CharType c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(static_cast<unsigned>(c) &
0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>(
(static_cast<unsigned>(c) >> 8) & 0xFFu));
}
};
//! UTF-16 big endian encoding.
template <typename CharType = wchar_t>
struct UTF16BE : UTF16<CharType> {
template <typename InputByteStream>
static CharType TakeBOM(InputByteStream &is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
CharType c = Take(is);
return static_cast<uint16_t>(c) == 0xFEFFu ? Take(is) : c;
}
template <typename InputByteStream>
static CharType Take(InputByteStream &is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
unsigned c = static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 8;
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take()));
return static_cast<CharType>(c);
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream &os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(0xFEu));
os.Put(static_cast<typename OutputByteStream::Ch>(0xFFu));
}
template <typename OutputByteStream>
static void Put(OutputByteStream &os, CharType c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(
(static_cast<unsigned>(c) >> 8) & 0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>(static_cast<unsigned>(c) &
0xFFu));
}
};
///////////////////////////////////////////////////////////////////////////////
// UTF32
//! UTF-32 encoding.
/*! http://en.wikipedia.org/wiki/UTF-32
\tparam CharType Type for storing 32-bit UTF-32 data. Default is unsigned.
C++11 may use char32_t instead. \note implements Encoding concept
\note For in-memory access, no need to concern endianness. The code units
and code points are represented by CPU's endianness. For streaming, use
UTF32LE and UTF32BE, which handle endianness.
*/
template <typename CharType = unsigned>
struct UTF32 {
typedef CharType Ch;
RAPIDJSON_STATIC_ASSERT(sizeof(Ch) >= 4);
enum { supportUnicode = 1 };
template <typename OutputStream>
static void Encode(OutputStream &os, unsigned codepoint) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputStream::Ch) >= 4);
RAPIDJSON_ASSERT(codepoint <= 0x10FFFF);
os.Put(codepoint);
}
template <typename OutputStream>
static void EncodeUnsafe(OutputStream &os, unsigned codepoint) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputStream::Ch) >= 4);
RAPIDJSON_ASSERT(codepoint <= 0x10FFFF);
PutUnsafe(os, codepoint);
}
template <typename InputStream>
static bool Decode(InputStream &is, unsigned *codepoint) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputStream::Ch) >= 4);
Ch c = is.Take();
*codepoint = c;
return c <= 0x10FFFF;
}
template <typename InputStream, typename OutputStream>
static bool Validate(InputStream &is, OutputStream &os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputStream::Ch) >= 4);
Ch c;
os.Put(c = is.Take());
return c <= 0x10FFFF;
}
};
//! UTF-32 little endian enocoding.
template <typename CharType = unsigned>
struct UTF32LE : UTF32<CharType> {
template <typename InputByteStream>
static CharType TakeBOM(InputByteStream &is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
CharType c = Take(is);
return static_cast<uint32_t>(c) == 0x0000FEFFu ? Take(is) : c;
}
template <typename InputByteStream>
static CharType Take(InputByteStream &is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
unsigned c = static_cast<uint8_t>(is.Take());
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 8;
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 16;
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 24;
return static_cast<CharType>(c);
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream &os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>(0xFEu));
os.Put(static_cast<typename OutputByteStream::Ch>(0x00u));
os.Put(static_cast<typename OutputByteStream::Ch>(0x00u));
}
template <typename OutputByteStream>
static void Put(OutputByteStream &os, CharType c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(c & 0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>((c >> 8) & 0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>((c >> 16) & 0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>((c >> 24) & 0xFFu));
}
};
//! UTF-32 big endian encoding.
template <typename CharType = unsigned>
struct UTF32BE : UTF32<CharType> {
template <typename InputByteStream>
static CharType TakeBOM(InputByteStream &is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
CharType c = Take(is);
return static_cast<uint32_t>(c) == 0x0000FEFFu ? Take(is) : c;
}
template <typename InputByteStream>
static CharType Take(InputByteStream &is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
unsigned c = static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 24;
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 16;
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 8;
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take()));
return static_cast<CharType>(c);
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream &os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(0x00u));
os.Put(static_cast<typename OutputByteStream::Ch>(0x00u));
os.Put(static_cast<typename OutputByteStream::Ch>(0xFEu));
os.Put(static_cast<typename OutputByteStream::Ch>(0xFFu));
}
template <typename OutputByteStream>
static void Put(OutputByteStream &os, CharType c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>((c >> 24) & 0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>((c >> 16) & 0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>((c >> 8) & 0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>(c & 0xFFu));
}
};
///////////////////////////////////////////////////////////////////////////////
// ASCII
//! ASCII encoding.
/*! http://en.wikipedia.org/wiki/ASCII
\tparam CharType Code unit for storing 7-bit ASCII data. Default is char.
\note implements Encoding concept
*/
template <typename CharType = char>
struct ASCII {
typedef CharType Ch;
enum { supportUnicode = 0 };
template <typename OutputStream>
static void Encode(OutputStream &os, unsigned codepoint) {
RAPIDJSON_ASSERT(codepoint <= 0x7F);
os.Put(static_cast<Ch>(codepoint & 0xFF));
}
template <typename OutputStream>
static void EncodeUnsafe(OutputStream &os, unsigned codepoint) {
RAPIDJSON_ASSERT(codepoint <= 0x7F);
PutUnsafe(os, static_cast<Ch>(codepoint & 0xFF));
}
template <typename InputStream>
static bool Decode(InputStream &is, unsigned *codepoint) {
uint8_t c = static_cast<uint8_t>(is.Take());
*codepoint = c;
return c <= 0X7F;
}
template <typename InputStream, typename OutputStream>
static bool Validate(InputStream &is, OutputStream &os) {
uint8_t c = static_cast<uint8_t>(is.Take());
os.Put(static_cast<typename OutputStream::Ch>(c));
return c <= 0x7F;
}
template <typename InputByteStream>
static CharType TakeBOM(InputByteStream &is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
uint8_t c = static_cast<uint8_t>(Take(is));
return static_cast<Ch>(c);
}
template <typename InputByteStream>
static Ch Take(InputByteStream &is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
return static_cast<Ch>(is.Take());
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream &os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
(void)os;
}
template <typename OutputByteStream>
static void Put(OutputByteStream &os, Ch c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(c));
}
};
///////////////////////////////////////////////////////////////////////////////
// AutoUTF
//! Runtime-specified UTF encoding type of a stream.
enum UTFType {
kUTF8 = 0, //!< UTF-8.
kUTF16LE = 1, //!< UTF-16 little endian.
kUTF16BE = 2, //!< UTF-16 big endian.
kUTF32LE = 3, //!< UTF-32 little endian.
kUTF32BE = 4 //!< UTF-32 big endian.
};
//! Dynamically select encoding according to stream's runtime-specified UTF
//! encoding type.
/*! \note This class can be used with AutoUTFInputtStream and
* AutoUTFOutputStream, which provides GetType().
*/
template <typename CharType>
struct AutoUTF {
typedef CharType Ch;
enum { supportUnicode = 1 };
#define RAPIDJSON_ENCODINGS_FUNC(x) \
UTF8<Ch>::x, UTF16LE<Ch>::x, UTF16BE<Ch>::x, UTF32LE<Ch>::x, UTF32BE<Ch>::x
template <typename OutputStream>
static RAPIDJSON_FORCEINLINE void Encode(OutputStream &os,
unsigned codepoint) {
typedef void (*EncodeFunc)(OutputStream &, unsigned);
static const EncodeFunc f[] = {RAPIDJSON_ENCODINGS_FUNC(Encode)};
(*f[os.GetType()])(os, codepoint);
}
template <typename OutputStream>
static RAPIDJSON_FORCEINLINE void EncodeUnsafe(OutputStream &os,
unsigned codepoint) {
typedef void (*EncodeFunc)(OutputStream &, unsigned);
static const EncodeFunc f[] = {RAPIDJSON_ENCODINGS_FUNC(EncodeUnsafe)};
(*f[os.GetType()])(os, codepoint);
}
template <typename InputStream>
static RAPIDJSON_FORCEINLINE bool Decode(InputStream &is,
unsigned *codepoint) {
typedef bool (*DecodeFunc)(InputStream &, unsigned *);
static const DecodeFunc f[] = {RAPIDJSON_ENCODINGS_FUNC(Decode)};
return (*f[is.GetType()])(is, codepoint);
}
template <typename InputStream, typename OutputStream>
static RAPIDJSON_FORCEINLINE bool Validate(InputStream &is,
OutputStream &os) {
typedef bool (*ValidateFunc)(InputStream &, OutputStream &);
static const ValidateFunc f[] = {RAPIDJSON_ENCODINGS_FUNC(Validate)};
return (*f[is.GetType()])(is, os);
}
#undef RAPIDJSON_ENCODINGS_FUNC
};
///////////////////////////////////////////////////////////////////////////////
// Transcoder
//! Encoding conversion.
template <typename SourceEncoding, typename TargetEncoding>
struct Transcoder {
//! Take one Unicode codepoint from source encoding, convert it to target
//! encoding and put it to the output stream.
template <typename InputStream, typename OutputStream>
static RAPIDJSON_FORCEINLINE bool Transcode(InputStream &is,
OutputStream &os) {
unsigned codepoint;
if (!SourceEncoding::Decode(is, &codepoint)) return false;
TargetEncoding::Encode(os, codepoint);
return true;
}
template <typename InputStream, typename OutputStream>
static RAPIDJSON_FORCEINLINE bool TranscodeUnsafe(InputStream &is,
OutputStream &os) {
unsigned codepoint;
if (!SourceEncoding::Decode(is, &codepoint)) return false;
TargetEncoding::EncodeUnsafe(os, codepoint);
return true;
}
//! Validate one Unicode codepoint from an encoded stream.
template <typename InputStream, typename OutputStream>
static RAPIDJSON_FORCEINLINE bool Validate(InputStream &is,
OutputStream &os) {
return Transcode(
is, os); // Since source/target encoding is different, must transcode.
}
};
// Forward declaration.
template <typename Stream>
inline void PutUnsafe(Stream &stream, typename Stream::Ch c);
//! Specialization of Transcoder with same source and target encoding.
template <typename Encoding>
struct Transcoder<Encoding, Encoding> {
template <typename InputStream, typename OutputStream>
static RAPIDJSON_FORCEINLINE bool Transcode(InputStream &is,
OutputStream &os) {
os.Put(is.Take()); // Just copy one code unit. This semantic is different
// from primary template class.
return true;
}
template <typename InputStream, typename OutputStream>
static RAPIDJSON_FORCEINLINE bool TranscodeUnsafe(InputStream &is,
OutputStream &os) {
PutUnsafe(os, is.Take()); // Just copy one code unit. This semantic is
// different from primary template class.
return true;
}
template <typename InputStream, typename OutputStream>
static RAPIDJSON_FORCEINLINE bool Validate(InputStream &is,
OutputStream &os) {
return Encoding::Validate(is, os); // source/target encoding are the same
}
};
RAPIDJSON_NAMESPACE_END
#if defined(__GNUC__) || (defined(_MSC_VER) && !defined(__clang__))
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_ENCODINGS_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_ERROR_EN_H_
#define RAPIDJSON_ERROR_EN_H_
#include "error.h"
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(switch - enum)
RAPIDJSON_DIAG_OFF(covered - switch - default)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Maps error code of parsing into error message.
/*!
\ingroup RAPIDJSON_ERRORS
\param parseErrorCode Error code obtained in parsing.
\return the error message.
\note User can make a copy of this function for localization.
Using switch-case is safer for future modification of error codes.
*/
inline const RAPIDJSON_ERROR_CHARTYPE* GetParseError_En(
ParseErrorCode parseErrorCode) {
switch (parseErrorCode) {
case kParseErrorNone:
return RAPIDJSON_ERROR_STRING("No error.");
case kParseErrorDocumentEmpty:
return RAPIDJSON_ERROR_STRING("The document is empty.");
case kParseErrorDocumentRootNotSingular:
return RAPIDJSON_ERROR_STRING(
"The document root must not be followed by other values.");
case kParseErrorValueInvalid:
return RAPIDJSON_ERROR_STRING("Invalid value.");
case kParseErrorObjectMissName:
return RAPIDJSON_ERROR_STRING("Missing a name for object member.");
case kParseErrorObjectMissColon:
return RAPIDJSON_ERROR_STRING(
"Missing a colon after a name of object member.");
case kParseErrorObjectMissCommaOrCurlyBracket:
return RAPIDJSON_ERROR_STRING(
"Missing a comma or '}' after an object member.");
case kParseErrorArrayMissCommaOrSquareBracket:
return RAPIDJSON_ERROR_STRING(
"Missing a comma or ']' after an array element.");
case kParseErrorStringUnicodeEscapeInvalidHex:
return RAPIDJSON_ERROR_STRING(
"Incorrect hex digit after \\u escape in string.");
case kParseErrorStringUnicodeSurrogateInvalid:
return RAPIDJSON_ERROR_STRING("The surrogate pair in string is invalid.");
case kParseErrorStringEscapeInvalid:
return RAPIDJSON_ERROR_STRING("Invalid escape character in string.");
case kParseErrorStringMissQuotationMark:
return RAPIDJSON_ERROR_STRING(
"Missing a closing quotation mark in string.");
case kParseErrorStringInvalidEncoding:
return RAPIDJSON_ERROR_STRING("Invalid encoding in string.");
case kParseErrorNumberTooBig:
return RAPIDJSON_ERROR_STRING("Number too big to be stored in double.");
case kParseErrorNumberMissFraction:
return RAPIDJSON_ERROR_STRING("Miss fraction part in number.");
case kParseErrorNumberMissExponent:
return RAPIDJSON_ERROR_STRING("Miss exponent in number.");
case kParseErrorTermination:
return RAPIDJSON_ERROR_STRING("Terminate parsing due to Handler error.");
case kParseErrorUnspecificSyntaxError:
return RAPIDJSON_ERROR_STRING("Unspecific syntax error.");
default:
return RAPIDJSON_ERROR_STRING("Unknown error.");
}
}
RAPIDJSON_NAMESPACE_END
#ifdef __clang__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_ERROR_EN_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_ERROR_ERROR_H_
#define RAPIDJSON_ERROR_ERROR_H_
#include "../rapidjson.h"
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
#endif
/*! \file error.h */
/*! \defgroup RAPIDJSON_ERRORS RapidJSON error handling */
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_ERROR_CHARTYPE
//! Character type of error messages.
/*! \ingroup RAPIDJSON_ERRORS
The default character type is \c char.
On Windows, user can define this macro as \c TCHAR for supporting both
unicode/non-unicode settings.
*/
#ifndef RAPIDJSON_ERROR_CHARTYPE
#define RAPIDJSON_ERROR_CHARTYPE char
#endif
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_ERROR_STRING
//! Macro for converting string literial to \ref RAPIDJSON_ERROR_CHARTYPE[].
/*! \ingroup RAPIDJSON_ERRORS
By default this conversion macro does nothing.
On Windows, user can define this macro as \c _T(x) for supporting both
unicode/non-unicode settings.
*/
#ifndef RAPIDJSON_ERROR_STRING
#define RAPIDJSON_ERROR_STRING(x) x
#endif
RAPIDJSON_NAMESPACE_BEGIN
///////////////////////////////////////////////////////////////////////////////
// ParseErrorCode
//! Error code of parsing.
/*! \ingroup RAPIDJSON_ERRORS
\see GenericReader::Parse, GenericReader::GetParseErrorCode
*/
enum ParseErrorCode {
kParseErrorNone = 0, //!< No error.
kParseErrorDocumentEmpty, //!< The document is empty.
kParseErrorDocumentRootNotSingular, //!< The document root must not follow by
//!< other values.
kParseErrorValueInvalid, //!< Invalid value.
kParseErrorObjectMissName, //!< Missing a name for object member.
kParseErrorObjectMissColon, //!< Missing a colon after a name of object
//!< member.
kParseErrorObjectMissCommaOrCurlyBracket, //!< Missing a comma or '}' after
//!an
//!< object member.
kParseErrorArrayMissCommaOrSquareBracket, //!< Missing a comma or ']' after
//!an
//!< array element.
kParseErrorStringUnicodeEscapeInvalidHex, //!< Incorrect hex digit after \\u
//!< escape in string.
kParseErrorStringUnicodeSurrogateInvalid, //!< The surrogate pair in string
//!is
//!< invalid.
kParseErrorStringEscapeInvalid, //!< Invalid escape character in string.
kParseErrorStringMissQuotationMark, //!< Missing a closing quotation mark in
//!< string.
kParseErrorStringInvalidEncoding, //!< Invalid encoding in string.
kParseErrorNumberTooBig, //!< Number too big to be stored in double.
kParseErrorNumberMissFraction, //!< Miss fraction part in number.
kParseErrorNumberMissExponent, //!< Miss exponent in number.
kParseErrorTermination, //!< Parsing was terminated.
kParseErrorUnspecificSyntaxError //!< Unspecific syntax error.
};
//! Result of parsing (wraps ParseErrorCode)
/*!
\ingroup RAPIDJSON_ERRORS
\code
Document doc;
ParseResult ok = doc.Parse("[42]");
if (!ok) {
fprintf(stderr, "JSON parse error: %s (%u)",
GetParseError_En(ok.Code()), ok.Offset());
exit(EXIT_FAILURE);
}
\endcode
\see GenericReader::Parse, GenericDocument::Parse
*/
struct ParseResult {
//!! Unspecified boolean type
typedef bool (ParseResult::*BooleanType)() const;
public:
//! Default constructor, no error.
ParseResult() : code_(kParseErrorNone), offset_(0) {}
//! Constructor to set an error.
ParseResult(ParseErrorCode code, size_t offset)
: code_(code), offset_(offset) {}
//! Get the error code.
ParseErrorCode Code() const { return code_; }
//! Get the error offset, if \ref IsError(), 0 otherwise.
size_t Offset() const { return offset_; }
//! Explicit conversion to \c bool, returns \c true, iff !\ref IsError().
operator BooleanType() const {
return !IsError() ? &ParseResult::IsError : NULL;
}
//! Whether the result is an error.
bool IsError() const { return code_ != kParseErrorNone; }
bool operator==(const ParseResult &that) const { return code_ == that.code_; }
bool operator==(ParseErrorCode code) const { return code_ == code; }
friend bool operator==(ParseErrorCode code, const ParseResult &err) {
return code == err.code_;
}
bool operator!=(const ParseResult &that) const { return !(*this == that); }
bool operator!=(ParseErrorCode code) const { return !(*this == code); }
friend bool operator!=(ParseErrorCode code, const ParseResult &err) {
return err != code;
}
//! Reset error code.
void Clear() { Set(kParseErrorNone); }
//! Update error code and offset.
void Set(ParseErrorCode code, size_t offset = 0) {
code_ = code;
offset_ = offset;
}
private:
ParseErrorCode code_;
size_t offset_;
};
//! Function pointer type of GetParseError().
/*! \ingroup RAPIDJSON_ERRORS
This is the prototype for \c GetParseError_X(), where \c X is a locale.
User can dynamically change locale in runtime, e.g.:
\code
GetParseErrorFunc GetParseError = GetParseError_En; // or whatever
const RAPIDJSON_ERROR_CHARTYPE* s =
GetParseError(document.GetParseErrorCode()); \endcode
*/
typedef const RAPIDJSON_ERROR_CHARTYPE *(*GetParseErrorFunc)(ParseErrorCode);
RAPIDJSON_NAMESPACE_END
#ifdef __clang__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_ERROR_ERROR_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_FILEREADSTREAM_H_
#define RAPIDJSON_FILEREADSTREAM_H_
#include <cstdio>
#include "stream.h"
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
RAPIDJSON_DIAG_OFF(unreachable - code)
RAPIDJSON_DIAG_OFF(missing - noreturn)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! File byte stream for input using fread().
/*!
\note implements Stream concept
*/
class FileReadStream {
public:
typedef char Ch; //!< Character type (byte).
//! Constructor.
/*!
\param fp File pointer opened for read.
\param buffer user-supplied buffer.
\param bufferSize size of buffer in bytes. Must >=4 bytes.
*/
FileReadStream(std::FILE *fp, char *buffer, size_t bufferSize)
: fp_(fp),
buffer_(buffer),
bufferSize_(bufferSize),
bufferLast_(0),
current_(buffer_),
readCount_(0),
count_(0),
eof_(false) {
RAPIDJSON_ASSERT(fp_ != 0);
RAPIDJSON_ASSERT(bufferSize >= 4);
Read();
}
Ch Peek() const { return *current_; }
Ch Take() {
Ch c = *current_;
Read();
return c;
}
size_t Tell() const {
return count_ + static_cast<size_t>(current_ - buffer_);
}
// Not implemented
void Put(Ch) { RAPIDJSON_ASSERT(false); }
void Flush() { RAPIDJSON_ASSERT(false); }
Ch *PutBegin() {
RAPIDJSON_ASSERT(false);
return 0;
}
size_t PutEnd(Ch *) {
RAPIDJSON_ASSERT(false);
return 0;
}
// For encoding detection only.
const Ch *Peek4() const {
return (current_ + 4 - !eof_ <= bufferLast_) ? current_ : 0;
}
private:
void Read() {
if (current_ < bufferLast_)
++current_;
else if (!eof_) {
count_ += readCount_;
readCount_ = std::fread(buffer_, 1, bufferSize_, fp_);
bufferLast_ = buffer_ + readCount_ - 1;
current_ = buffer_;
if (readCount_ < bufferSize_) {
buffer_[readCount_] = '\0';
++bufferLast_;
eof_ = true;
}
}
}
std::FILE *fp_;
Ch *buffer_;
size_t bufferSize_;
Ch *bufferLast_;
Ch *current_;
size_t readCount_;
size_t count_; //!< Number of characters read
bool eof_;
};
RAPIDJSON_NAMESPACE_END
#ifdef __clang__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_FILESTREAM_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_FILEWRITESTREAM_H_
#define RAPIDJSON_FILEWRITESTREAM_H_
#include <cstdio>
#include "stream.h"
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(unreachable - code)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Wrapper of C file stream for output using fwrite().
/*!
\note implements Stream concept
*/
class FileWriteStream {
public:
typedef char Ch; //!< Character type. Only support char.
FileWriteStream(std::FILE *fp, char *buffer, size_t bufferSize)
: fp_(fp),
buffer_(buffer),
bufferEnd_(buffer + bufferSize),
current_(buffer_) {
RAPIDJSON_ASSERT(fp_ != 0);
}
void Put(char c) {
if (current_ >= bufferEnd_) Flush();
*current_++ = c;
}
void PutN(char c, size_t n) {
size_t avail = static_cast<size_t>(bufferEnd_ - current_);
while (n > avail) {
std::memset(current_, c, avail);
current_ += avail;
Flush();
n -= avail;
avail = static_cast<size_t>(bufferEnd_ - current_);
}
if (n > 0) {
std::memset(current_, c, n);
current_ += n;
}
}
void Flush() {
if (current_ != buffer_) {
size_t result =
std::fwrite(buffer_, 1, static_cast<size_t>(current_ - buffer_), fp_);
if (result < static_cast<size_t>(current_ - buffer_)) {
// failure deliberately ignored at this time
// added to avoid warn_unused_result build errors
}
current_ = buffer_;
}
}
// Not implemented
char Peek() const {
RAPIDJSON_ASSERT(false);
return 0;
}
char Take() {
RAPIDJSON_ASSERT(false);
return 0;
}
size_t Tell() const {
RAPIDJSON_ASSERT(false);
return 0;
}
char *PutBegin() {
RAPIDJSON_ASSERT(false);
return 0;
}
size_t PutEnd(char *) {
RAPIDJSON_ASSERT(false);
return 0;
}
private:
// Prohibit copy constructor & assignment operator.
FileWriteStream(const FileWriteStream &);
FileWriteStream &operator=(const FileWriteStream &);
std::FILE *fp_;
char *buffer_;
char *bufferEnd_;
char *current_;
};
//! Implement specialized version of PutN() with memset() for better
//! performance.
template <>
inline void PutN(FileWriteStream &stream, char c, size_t n) {
stream.PutN(c, n);
}
RAPIDJSON_NAMESPACE_END
#ifdef __clang__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_FILESTREAM_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_FWD_H_
#define RAPIDJSON_FWD_H_
#include "rapidjson.h"
RAPIDJSON_NAMESPACE_BEGIN
// encodings.h
template <typename CharType>
struct UTF8;
template <typename CharType>
struct UTF16;
template <typename CharType>
struct UTF16BE;
template <typename CharType>
struct UTF16LE;
template <typename CharType>
struct UTF32;
template <typename CharType>
struct UTF32BE;
template <typename CharType>
struct UTF32LE;
template <typename CharType>
struct ASCII;
template <typename CharType>
struct AutoUTF;
template <typename SourceEncoding, typename TargetEncoding>
struct Transcoder;
// allocators.h
class CrtAllocator;
template <typename BaseAllocator>
class MemoryPoolAllocator;
// stream.h
template <typename Encoding>
struct GenericStringStream;
typedef GenericStringStream<UTF8<char>> StringStream;
template <typename Encoding>
struct GenericInsituStringStream;
typedef GenericInsituStringStream<UTF8<char>> InsituStringStream;
// stringbuffer.h
template <typename Encoding, typename Allocator>
class GenericStringBuffer;
typedef GenericStringBuffer<UTF8<char>, CrtAllocator> StringBuffer;
// filereadstream.h
class FileReadStream;
// filewritestream.h
class FileWriteStream;
// memorybuffer.h
template <typename Allocator>
struct GenericMemoryBuffer;
typedef GenericMemoryBuffer<CrtAllocator> MemoryBuffer;
// memorystream.h
struct MemoryStream;
// reader.h
template <typename Encoding, typename Derived>
struct BaseReaderHandler;
template <typename SourceEncoding, typename TargetEncoding,
typename StackAllocator>
class GenericReader;
typedef GenericReader<UTF8<char>, UTF8<char>, CrtAllocator> Reader;
// writer.h
template <typename OutputStream, typename SourceEncoding,
typename TargetEncoding, typename StackAllocator, unsigned writeFlags>
class Writer;
// prettywriter.h
template <typename OutputStream, typename SourceEncoding,
typename TargetEncoding, typename StackAllocator, unsigned writeFlags>
class PrettyWriter;
// document.h
template <typename Encoding, typename Allocator>
class GenericMember;
template <bool Const, typename Encoding, typename Allocator>
class GenericMemberIterator;
template <typename CharType>
struct GenericStringRef;
template <typename Encoding, typename Allocator>
class GenericValue;
typedef GenericValue<UTF8<char>, MemoryPoolAllocator<CrtAllocator>> Value;
template <typename Encoding, typename Allocator, typename StackAllocator>
class GenericDocument;
typedef GenericDocument<UTF8<char>, MemoryPoolAllocator<CrtAllocator>,
CrtAllocator>
Document;
// pointer.h
template <typename ValueType, typename Allocator>
class GenericPointer;
typedef GenericPointer<Value, CrtAllocator> Pointer;
// schema.h
template <typename SchemaDocumentType>
class IGenericRemoteSchemaDocumentProvider;
template <typename ValueT, typename Allocator>
class GenericSchemaDocument;
typedef GenericSchemaDocument<Value, CrtAllocator> SchemaDocument;
typedef IGenericRemoteSchemaDocumentProvider<SchemaDocument>
IRemoteSchemaDocumentProvider;
template <typename SchemaDocumentType, typename OutputHandler,
typename StateAllocator>
class GenericSchemaValidator;
typedef GenericSchemaValidator<
SchemaDocument, BaseReaderHandler<UTF8<char>, void>, CrtAllocator>
SchemaValidator;
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_RAPIDJSONFWD_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_BIGINTEGER_H_
#define RAPIDJSON_BIGINTEGER_H_
#include "../rapidjson.h"
#if defined(_MSC_VER) && !__INTEL_COMPILER && defined(_M_AMD64)
#include <intrin.h> // for _umul128
#pragma intrinsic(_umul128)
#endif
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
class BigInteger {
public:
typedef uint64_t Type;
BigInteger(const BigInteger &rhs) : count_(rhs.count_) {
std::memcpy(digits_, rhs.digits_, count_ * sizeof(Type));
}
explicit BigInteger(uint64_t u) : count_(1) { digits_[0] = u; }
BigInteger(const char *decimals, size_t length) : count_(1) {
RAPIDJSON_ASSERT(length > 0);
digits_[0] = 0;
size_t i = 0;
const size_t kMaxDigitPerIteration =
19; // 2^64 = 18446744073709551616 > 10^19
while (length >= kMaxDigitPerIteration) {
AppendDecimal64(decimals + i, decimals + i + kMaxDigitPerIteration);
length -= kMaxDigitPerIteration;
i += kMaxDigitPerIteration;
}
if (length > 0) AppendDecimal64(decimals + i, decimals + i + length);
}
BigInteger &operator=(const BigInteger &rhs) {
if (this != &rhs) {
count_ = rhs.count_;
std::memcpy(digits_, rhs.digits_, count_ * sizeof(Type));
}
return *this;
}
BigInteger &operator=(uint64_t u) {
digits_[0] = u;
count_ = 1;
return *this;
}
BigInteger &operator+=(uint64_t u) {
Type backup = digits_[0];
digits_[0] += u;
for (size_t i = 0; i < count_ - 1; i++) {
if (digits_[i] >= backup) return *this; // no carry
backup = digits_[i + 1];
digits_[i + 1] += 1;
}
// Last carry
if (digits_[count_ - 1] < backup) PushBack(1);
return *this;
}
BigInteger &operator*=(uint64_t u) {
if (u == 0) return *this = 0;
if (u == 1) return *this;
if (*this == 1) return *this = u;
uint64_t k = 0;
for (size_t i = 0; i < count_; i++) {
uint64_t hi;
digits_[i] = MulAdd64(digits_[i], u, k, &hi);
k = hi;
}
if (k > 0) PushBack(k);
return *this;
}
BigInteger &operator*=(uint32_t u) {
if (u == 0) return *this = 0;
if (u == 1) return *this;
if (*this == 1) return *this = u;
uint64_t k = 0;
for (size_t i = 0; i < count_; i++) {
const uint64_t c = digits_[i] >> 32;
const uint64_t d = digits_[i] & 0xFFFFFFFF;
const uint64_t uc = u * c;
const uint64_t ud = u * d;
const uint64_t p0 = ud + k;
const uint64_t p1 = uc + (p0 >> 32);
digits_[i] = (p0 & 0xFFFFFFFF) | (p1 << 32);
k = p1 >> 32;
}
if (k > 0) PushBack(k);
return *this;
}
BigInteger &operator<<=(size_t shift) {
if (IsZero() || shift == 0) return *this;
size_t offset = shift / kTypeBit;
size_t interShift = shift % kTypeBit;
RAPIDJSON_ASSERT(count_ + offset <= kCapacity);
if (interShift == 0) {
std::memmove(digits_ + offset, digits_, count_ * sizeof(Type));
count_ += offset;
} else {
digits_[count_] = 0;
for (size_t i = count_; i > 0; i--)
digits_[i + offset] = (digits_[i] << interShift) |
(digits_[i - 1] >> (kTypeBit - interShift));
digits_[offset] = digits_[0] << interShift;
count_ += offset;
if (digits_[count_]) count_++;
}
std::memset(digits_, 0, offset * sizeof(Type));
return *this;
}
bool operator==(const BigInteger &rhs) const {
return count_ == rhs.count_ &&
std::memcmp(digits_, rhs.digits_, count_ * sizeof(Type)) == 0;
}
bool operator==(const Type rhs) const {
return count_ == 1 && digits_[0] == rhs;
}
BigInteger &MultiplyPow5(unsigned exp) {
static const uint32_t kPow5[12] = {
5,
5 * 5,
5 * 5 * 5,
5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5};
if (exp == 0) return *this;
for (; exp >= 27; exp -= 27)
*this *= RAPIDJSON_UINT64_C2(0X6765C793, 0XFA10079D); // 5^27
for (; exp >= 13; exp -= 13)
*this *= static_cast<uint32_t>(1220703125u); // 5^13
if (exp > 0) *this *= kPow5[exp - 1];
return *this;
}
// Compute absolute difference of this and rhs.
// Assume this != rhs
bool Difference(const BigInteger &rhs, BigInteger *out) const {
int cmp = Compare(rhs);
RAPIDJSON_ASSERT(cmp != 0);
const BigInteger *a, *b; // Makes a > b
bool ret;
if (cmp < 0) {
a = &rhs;
b = this;
ret = true;
} else {
a = this;
b = &rhs;
ret = false;
}
Type borrow = 0;
for (size_t i = 0; i < a->count_; i++) {
Type d = a->digits_[i] - borrow;
if (i < b->count_) d -= b->digits_[i];
borrow = (d > a->digits_[i]) ? 1 : 0;
out->digits_[i] = d;
if (d != 0) out->count_ = i + 1;
}
return ret;
}
int Compare(const BigInteger &rhs) const {
if (count_ != rhs.count_) return count_ < rhs.count_ ? -1 : 1;
for (size_t i = count_; i-- > 0;)
if (digits_[i] != rhs.digits_[i])
return digits_[i] < rhs.digits_[i] ? -1 : 1;
return 0;
}
size_t GetCount() const { return count_; }
Type GetDigit(size_t index) const {
RAPIDJSON_ASSERT(index < count_);
return digits_[index];
}
bool IsZero() const { return count_ == 1 && digits_[0] == 0; }
private:
void AppendDecimal64(const char *begin, const char *end) {
uint64_t u = ParseUint64(begin, end);
if (IsZero())
*this = u;
else {
unsigned exp = static_cast<unsigned>(end - begin);
(MultiplyPow5(exp) <<= exp) += u; // *this = *this * 10^exp + u
}
}
void PushBack(Type digit) {
RAPIDJSON_ASSERT(count_ < kCapacity);
digits_[count_++] = digit;
}
static uint64_t ParseUint64(const char *begin, const char *end) {
uint64_t r = 0;
for (const char *p = begin; p != end; ++p) {
RAPIDJSON_ASSERT(*p >= '0' && *p <= '9');
r = r * 10u + static_cast<unsigned>(*p - '0');
}
return r;
}
// Assume a * b + k < 2^128
static uint64_t MulAdd64(uint64_t a, uint64_t b, uint64_t k,
uint64_t *outHigh) {
#if defined(_MSC_VER) && defined(_M_AMD64)
uint64_t low = _umul128(a, b, outHigh) + k;
if (low < k) (*outHigh)++;
return low;
#elif (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) && \
defined(__x86_64__)
__extension__ typedef unsigned __int128 uint128;
uint128 p = static_cast<uint128>(a) * static_cast<uint128>(b);
p += k;
*outHigh = static_cast<uint64_t>(p >> 64);
return static_cast<uint64_t>(p);
#else
const uint64_t a0 = a & 0xFFFFFFFF, a1 = a >> 32, b0 = b & 0xFFFFFFFF,
b1 = b >> 32;
uint64_t x0 = a0 * b0, x1 = a0 * b1, x2 = a1 * b0, x3 = a1 * b1;
x1 += (x0 >> 32); // can't give carry
x1 += x2;
if (x1 < x2) x3 += (static_cast<uint64_t>(1) << 32);
uint64_t lo = (x1 << 32) + (x0 & 0xFFFFFFFF);
uint64_t hi = x3 + (x1 >> 32);
lo += k;
if (lo < k) hi++;
*outHigh = hi;
return lo;
#endif
}
static const size_t kBitCount = 3328; // 64bit * 54 > 10^1000
static const size_t kCapacity = kBitCount / sizeof(Type);
static const size_t kTypeBit = sizeof(Type) * 8;
Type digits_[kCapacity];
size_t count_;
};
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_BIGINTEGER_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_CLZLL_H_
#define RAPIDJSON_CLZLL_H_
#include "../rapidjson.h"
#if defined(_MSC_VER)
#include <intrin.h>
#if defined(_WIN64)
#pragma intrinsic(_BitScanReverse64)
#else
#pragma intrinsic(_BitScanReverse)
#endif
#endif
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
#if (defined(__GNUC__) && __GNUC__ >= 4) || \
RAPIDJSON_HAS_BUILTIN(__builtin_clzll)
#define RAPIDJSON_CLZLL __builtin_clzll
#else
inline uint32_t clzll(uint64_t x) {
// Passing 0 to __builtin_clzll is UB in GCC and results in an
// infinite loop in the software implementation.
RAPIDJSON_ASSERT(x != 0);
#if defined(_MSC_VER)
unsigned long r = 0;
#if defined(_WIN64)
_BitScanReverse64(&r, x);
#else
// Scan the high 32 bits.
if (_BitScanReverse(&r, static_cast<uint32_t>(x >> 32))) return 63 - (r + 32);
// Scan the low 32 bits.
_BitScanReverse(&r, static_cast<uint32_t>(x & 0xFFFFFFFF));
#endif // _WIN64
return 63 - r;
#else
uint32_t r;
while (!(x & (static_cast<uint64_t>(1) << 63))) {
x <<= 1;
++r;
}
return r;
#endif // _MSC_VER
}
#define RAPIDJSON_CLZLL RAPIDJSON_NAMESPACE::internal::clzll
#endif // (defined(__GNUC__) && __GNUC__ >= 4) ||
// RAPIDJSON_HAS_BUILTIN(__builtin_clzll)
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_CLZLL_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
// This is a C++ header-only implementation of Grisu2 algorithm from the
// publication: Loitsch, Florian. "Printing floating-point numbers quickly and
// accurately with integers." ACM Sigplan Notices 45.6 (2010): 233-243.
#ifndef RAPIDJSON_DIYFP_H_
#define RAPIDJSON_DIYFP_H_
#include <limits>
#include "../rapidjson.h"
#include "clzll.h"
#if defined(_MSC_VER) && defined(_M_AMD64) && !defined(__INTEL_COMPILER)
#include <intrin.h>
#pragma intrinsic(_umul128)
#endif
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
#ifdef __GNUC__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
#endif
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
#endif
struct DiyFp {
DiyFp() : f(), e() {}
DiyFp(uint64_t fp, int exp) : f(fp), e(exp) {}
explicit DiyFp(double d) {
union {
double d;
uint64_t u64;
} u = {d};
int biased_e =
static_cast<int>((u.u64 & kDpExponentMask) >> kDpSignificandSize);
uint64_t significand = (u.u64 & kDpSignificandMask);
if (biased_e != 0) {
f = significand + kDpHiddenBit;
e = biased_e - kDpExponentBias;
} else {
f = significand;
e = kDpMinExponent + 1;
}
}
DiyFp operator-(const DiyFp &rhs) const { return DiyFp(f - rhs.f, e); }
DiyFp operator*(const DiyFp &rhs) const {
#if defined(_MSC_VER) && defined(_M_AMD64)
uint64_t h;
uint64_t l = _umul128(f, rhs.f, &h);
if (l & (uint64_t(1) << 63)) // rounding
h++;
return DiyFp(h, e + rhs.e + 64);
#elif (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) && \
defined(__x86_64__)
__extension__ typedef unsigned __int128 uint128;
uint128 p = static_cast<uint128>(f) * static_cast<uint128>(rhs.f);
uint64_t h = static_cast<uint64_t>(p >> 64);
uint64_t l = static_cast<uint64_t>(p);
if (l & (uint64_t(1) << 63)) // rounding
h++;
return DiyFp(h, e + rhs.e + 64);
#else
const uint64_t M32 = 0xFFFFFFFF;
const uint64_t a = f >> 32;
const uint64_t b = f & M32;
const uint64_t c = rhs.f >> 32;
const uint64_t d = rhs.f & M32;
const uint64_t ac = a * c;
const uint64_t bc = b * c;
const uint64_t ad = a * d;
const uint64_t bd = b * d;
uint64_t tmp = (bd >> 32) + (ad & M32) + (bc & M32);
tmp += 1U << 31; /// mult_round
return DiyFp(ac + (ad >> 32) + (bc >> 32) + (tmp >> 32), e + rhs.e + 64);
#endif
}
DiyFp Normalize() const {
int s = static_cast<int>(RAPIDJSON_CLZLL(f));
return DiyFp(f << s, e - s);
}
DiyFp NormalizeBoundary() const {
DiyFp res = *this;
while (!(res.f & (kDpHiddenBit << 1))) {
res.f <<= 1;
res.e--;
}
res.f <<= (kDiySignificandSize - kDpSignificandSize - 2);
res.e = res.e - (kDiySignificandSize - kDpSignificandSize - 2);
return res;
}
void NormalizedBoundaries(DiyFp *minus, DiyFp *plus) const {
DiyFp pl = DiyFp((f << 1) + 1, e - 1).NormalizeBoundary();
DiyFp mi = (f == kDpHiddenBit) ? DiyFp((f << 2) - 1, e - 2)
: DiyFp((f << 1) - 1, e - 1);
mi.f <<= mi.e - pl.e;
mi.e = pl.e;
*plus = pl;
*minus = mi;
}
double ToDouble() const {
union {
double d;
uint64_t u64;
} u;
RAPIDJSON_ASSERT(f <= kDpHiddenBit + kDpSignificandMask);
if (e < kDpDenormalExponent) {
// Underflow.
return 0.0;
}
if (e >= kDpMaxExponent) {
// Overflow.
return std::numeric_limits<double>::infinity();
}
const uint64_t be = (e == kDpDenormalExponent && (f & kDpHiddenBit) == 0)
? 0
: static_cast<uint64_t>(e + kDpExponentBias);
u.u64 = (f & kDpSignificandMask) | (be << kDpSignificandSize);
return u.d;
}
static const int kDiySignificandSize = 64;
static const int kDpSignificandSize = 52;
static const int kDpExponentBias = 0x3FF + kDpSignificandSize;
static const int kDpMaxExponent = 0x7FF - kDpExponentBias;
static const int kDpMinExponent = -kDpExponentBias;
static const int kDpDenormalExponent = -kDpExponentBias + 1;
static const uint64_t kDpExponentMask =
RAPIDJSON_UINT64_C2(0x7FF00000, 0x00000000);
static const uint64_t kDpSignificandMask =
RAPIDJSON_UINT64_C2(0x000FFFFF, 0xFFFFFFFF);
static const uint64_t kDpHiddenBit =
RAPIDJSON_UINT64_C2(0x00100000, 0x00000000);
uint64_t f;
int e;
};
inline DiyFp GetCachedPowerByIndex(size_t index) {
// 10^-348, 10^-340, ..., 10^340
static const uint64_t kCachedPowers_F[] = {
RAPIDJSON_UINT64_C2(0xfa8fd5a0, 0x081c0288),
RAPIDJSON_UINT64_C2(0xbaaee17f, 0xa23ebf76),
RAPIDJSON_UINT64_C2(0x8b16fb20, 0x3055ac76),
RAPIDJSON_UINT64_C2(0xcf42894a, 0x5dce35ea),
RAPIDJSON_UINT64_C2(0x9a6bb0aa, 0x55653b2d),
RAPIDJSON_UINT64_C2(0xe61acf03, 0x3d1a45df),
RAPIDJSON_UINT64_C2(0xab70fe17, 0xc79ac6ca),
RAPIDJSON_UINT64_C2(0xff77b1fc, 0xbebcdc4f),
RAPIDJSON_UINT64_C2(0xbe5691ef, 0x416bd60c),
RAPIDJSON_UINT64_C2(0x8dd01fad, 0x907ffc3c),
RAPIDJSON_UINT64_C2(0xd3515c28, 0x31559a83),
RAPIDJSON_UINT64_C2(0x9d71ac8f, 0xada6c9b5),
RAPIDJSON_UINT64_C2(0xea9c2277, 0x23ee8bcb),
RAPIDJSON_UINT64_C2(0xaecc4991, 0x4078536d),
RAPIDJSON_UINT64_C2(0x823c1279, 0x5db6ce57),
RAPIDJSON_UINT64_C2(0xc2109436, 0x4dfb5637),
RAPIDJSON_UINT64_C2(0x9096ea6f, 0x3848984f),
RAPIDJSON_UINT64_C2(0xd77485cb, 0x25823ac7),
RAPIDJSON_UINT64_C2(0xa086cfcd, 0x97bf97f4),
RAPIDJSON_UINT64_C2(0xef340a98, 0x172aace5),
RAPIDJSON_UINT64_C2(0xb23867fb, 0x2a35b28e),
RAPIDJSON_UINT64_C2(0x84c8d4df, 0xd2c63f3b),
RAPIDJSON_UINT64_C2(0xc5dd4427, 0x1ad3cdba),
RAPIDJSON_UINT64_C2(0x936b9fce, 0xbb25c996),
RAPIDJSON_UINT64_C2(0xdbac6c24, 0x7d62a584),
RAPIDJSON_UINT64_C2(0xa3ab6658, 0x0d5fdaf6),
RAPIDJSON_UINT64_C2(0xf3e2f893, 0xdec3f126),
RAPIDJSON_UINT64_C2(0xb5b5ada8, 0xaaff80b8),
RAPIDJSON_UINT64_C2(0x87625f05, 0x6c7c4a8b),
RAPIDJSON_UINT64_C2(0xc9bcff60, 0x34c13053),
RAPIDJSON_UINT64_C2(0x964e858c, 0x91ba2655),
RAPIDJSON_UINT64_C2(0xdff97724, 0x70297ebd),
RAPIDJSON_UINT64_C2(0xa6dfbd9f, 0xb8e5b88f),
RAPIDJSON_UINT64_C2(0xf8a95fcf, 0x88747d94),
RAPIDJSON_UINT64_C2(0xb9447093, 0x8fa89bcf),
RAPIDJSON_UINT64_C2(0x8a08f0f8, 0xbf0f156b),
RAPIDJSON_UINT64_C2(0xcdb02555, 0x653131b6),
RAPIDJSON_UINT64_C2(0x993fe2c6, 0xd07b7fac),
RAPIDJSON_UINT64_C2(0xe45c10c4, 0x2a2b3b06),
RAPIDJSON_UINT64_C2(0xaa242499, 0x697392d3),
RAPIDJSON_UINT64_C2(0xfd87b5f2, 0x8300ca0e),
RAPIDJSON_UINT64_C2(0xbce50864, 0x92111aeb),
RAPIDJSON_UINT64_C2(0x8cbccc09, 0x6f5088cc),
RAPIDJSON_UINT64_C2(0xd1b71758, 0xe219652c),
RAPIDJSON_UINT64_C2(0x9c400000, 0x00000000),
RAPIDJSON_UINT64_C2(0xe8d4a510, 0x00000000),
RAPIDJSON_UINT64_C2(0xad78ebc5, 0xac620000),
RAPIDJSON_UINT64_C2(0x813f3978, 0xf8940984),
RAPIDJSON_UINT64_C2(0xc097ce7b, 0xc90715b3),
RAPIDJSON_UINT64_C2(0x8f7e32ce, 0x7bea5c70),
RAPIDJSON_UINT64_C2(0xd5d238a4, 0xabe98068),
RAPIDJSON_UINT64_C2(0x9f4f2726, 0x179a2245),
RAPIDJSON_UINT64_C2(0xed63a231, 0xd4c4fb27),
RAPIDJSON_UINT64_C2(0xb0de6538, 0x8cc8ada8),
RAPIDJSON_UINT64_C2(0x83c7088e, 0x1aab65db),
RAPIDJSON_UINT64_C2(0xc45d1df9, 0x42711d9a),
RAPIDJSON_UINT64_C2(0x924d692c, 0xa61be758),
RAPIDJSON_UINT64_C2(0xda01ee64, 0x1a708dea),
RAPIDJSON_UINT64_C2(0xa26da399, 0x9aef774a),
RAPIDJSON_UINT64_C2(0xf209787b, 0xb47d6b85),
RAPIDJSON_UINT64_C2(0xb454e4a1, 0x79dd1877),
RAPIDJSON_UINT64_C2(0x865b8692, 0x5b9bc5c2),
RAPIDJSON_UINT64_C2(0xc83553c5, 0xc8965d3d),
RAPIDJSON_UINT64_C2(0x952ab45c, 0xfa97a0b3),
RAPIDJSON_UINT64_C2(0xde469fbd, 0x99a05fe3),
RAPIDJSON_UINT64_C2(0xa59bc234, 0xdb398c25),
RAPIDJSON_UINT64_C2(0xf6c69a72, 0xa3989f5c),
RAPIDJSON_UINT64_C2(0xb7dcbf53, 0x54e9bece),
RAPIDJSON_UINT64_C2(0x88fcf317, 0xf22241e2),
RAPIDJSON_UINT64_C2(0xcc20ce9b, 0xd35c78a5),
RAPIDJSON_UINT64_C2(0x98165af3, 0x7b2153df),
RAPIDJSON_UINT64_C2(0xe2a0b5dc, 0x971f303a),
RAPIDJSON_UINT64_C2(0xa8d9d153, 0x5ce3b396),
RAPIDJSON_UINT64_C2(0xfb9b7cd9, 0xa4a7443c),
RAPIDJSON_UINT64_C2(0xbb764c4c, 0xa7a44410),
RAPIDJSON_UINT64_C2(0x8bab8eef, 0xb6409c1a),
RAPIDJSON_UINT64_C2(0xd01fef10, 0xa657842c),
RAPIDJSON_UINT64_C2(0x9b10a4e5, 0xe9913129),
RAPIDJSON_UINT64_C2(0xe7109bfb, 0xa19c0c9d),
RAPIDJSON_UINT64_C2(0xac2820d9, 0x623bf429),
RAPIDJSON_UINT64_C2(0x80444b5e, 0x7aa7cf85),
RAPIDJSON_UINT64_C2(0xbf21e440, 0x03acdd2d),
RAPIDJSON_UINT64_C2(0x8e679c2f, 0x5e44ff8f),
RAPIDJSON_UINT64_C2(0xd433179d, 0x9c8cb841),
RAPIDJSON_UINT64_C2(0x9e19db92, 0xb4e31ba9),
RAPIDJSON_UINT64_C2(0xeb96bf6e, 0xbadf77d9),
RAPIDJSON_UINT64_C2(0xaf87023b, 0x9bf0ee6b)};
static const int16_t kCachedPowers_E[] = {
-1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954,
-927, -901, -874, -847, -821, -794, -768, -741, -715, -688, -661,
-635, -608, -582, -555, -529, -502, -475, -449, -422, -396, -369,
-343, -316, -289, -263, -236, -210, -183, -157, -130, -103, -77,
-50, -24, 3, 30, 56, 83, 109, 136, 162, 189, 216,
242, 269, 295, 322, 348, 375, 402, 428, 455, 481, 508,
534, 561, 588, 614, 641, 667, 694, 720, 747, 774, 800,
827, 853, 880, 907, 933, 960, 986, 1013, 1039, 1066};
RAPIDJSON_ASSERT(index < 87);
return DiyFp(kCachedPowers_F[index], kCachedPowers_E[index]);
}
inline DiyFp GetCachedPower(int e, int *K) {
// int k = static_cast<int>(ceil((-61 - e) * 0.30102999566398114)) + 374;
double dk = (-61 - e) * 0.30102999566398114 +
347; // dk must be positive, so can do ceiling in positive
int k = static_cast<int>(dk);
if (dk - k > 0.0) k++;
unsigned index = static_cast<unsigned>((k >> 3) + 1);
*K = -(-348 + static_cast<int>(
index << 3)); // decimal exponent no need lookup table
return GetCachedPowerByIndex(index);
}
inline DiyFp GetCachedPower10(int exp, int *outExp) {
RAPIDJSON_ASSERT(exp >= -348);
unsigned index = static_cast<unsigned>(exp + 348) / 8u;
*outExp = -348 + static_cast<int>(index) * 8;
return GetCachedPowerByIndex(index);
}
#ifdef __GNUC__
RAPIDJSON_DIAG_POP
#endif
#ifdef __clang__
RAPIDJSON_DIAG_POP
RAPIDJSON_DIAG_OFF(padded)
#endif
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_DIYFP_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
// This is a C++ header-only implementation of Grisu2 algorithm from the
// publication: Loitsch, Florian. "Printing floating-point numbers quickly and
// accurately with integers." ACM Sigplan Notices 45.6 (2010): 233-243.
#ifndef RAPIDJSON_DTOA_
#define RAPIDJSON_DTOA_
#include "diyfp.h"
#include "ieee754.h"
#include "itoa.h" // GetDigitsLut()
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
#ifdef __GNUC__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
RAPIDJSON_DIAG_OFF(array - bounds) // some gcc versions generate wrong warnings
// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59124
#endif
inline void GrisuRound(char *buffer, int len, uint64_t delta, uint64_t rest,
uint64_t ten_kappa, uint64_t wp_w) {
while (rest < wp_w && delta - rest >= ten_kappa &&
(rest + ten_kappa < wp_w || /// closer
wp_w - rest > rest + ten_kappa - wp_w)) {
buffer[len - 1]--;
rest += ten_kappa;
}
}
inline int CountDecimalDigit32(uint32_t n) {
// Simple pure C++ implementation was faster than __builtin_clz version in
// this situation.
if (n < 10) return 1;
if (n < 100) return 2;
if (n < 1000) return 3;
if (n < 10000) return 4;
if (n < 100000) return 5;
if (n < 1000000) return 6;
if (n < 10000000) return 7;
if (n < 100000000) return 8;
// Will not reach 10 digits in DigitGen()
// if (n < 1000000000) return 9;
// return 10;
return 9;
}
inline void DigitGen(const DiyFp &W, const DiyFp &Mp, uint64_t delta,
char *buffer, int *len, int *K) {
static const uint32_t kPow10[] = {1, 10, 100, 1000,
10000, 100000, 1000000, 10000000,
100000000, 1000000000};
const DiyFp one(uint64_t(1) << -Mp.e, Mp.e);
const DiyFp wp_w = Mp - W;
uint32_t p1 = static_cast<uint32_t>(Mp.f >> -one.e);
uint64_t p2 = Mp.f & (one.f - 1);
int kappa = CountDecimalDigit32(p1); // kappa in [0, 9]
*len = 0;
while (kappa > 0) {
uint32_t d = 0;
switch (kappa) {
case 9:
d = p1 / 100000000;
p1 %= 100000000;
break;
case 8:
d = p1 / 10000000;
p1 %= 10000000;
break;
case 7:
d = p1 / 1000000;
p1 %= 1000000;
break;
case 6:
d = p1 / 100000;
p1 %= 100000;
break;
case 5:
d = p1 / 10000;
p1 %= 10000;
break;
case 4:
d = p1 / 1000;
p1 %= 1000;
break;
case 3:
d = p1 / 100;
p1 %= 100;
break;
case 2:
d = p1 / 10;
p1 %= 10;
break;
case 1:
d = p1;
p1 = 0;
break;
default:;
}
if (d || *len)
buffer[(*len)++] = static_cast<char>('0' + static_cast<char>(d));
kappa--;
uint64_t tmp = (static_cast<uint64_t>(p1) << -one.e) + p2;
if (tmp <= delta) {
*K += kappa;
GrisuRound(buffer, *len, delta, tmp,
static_cast<uint64_t>(kPow10[kappa]) << -one.e, wp_w.f);
return;
}
}
// kappa = 0
for (;;) {
p2 *= 10;
delta *= 10;
char d = static_cast<char>(p2 >> -one.e);
if (d || *len) buffer[(*len)++] = static_cast<char>('0' + d);
p2 &= one.f - 1;
kappa--;
if (p2 < delta) {
*K += kappa;
int index = -kappa;
GrisuRound(buffer, *len, delta, p2, one.f,
wp_w.f * (index < 9 ? kPow10[index] : 0));
return;
}
}
}
inline void Grisu2(double value, char *buffer, int *length, int *K) {
const DiyFp v(value);
DiyFp w_m, w_p;
v.NormalizedBoundaries(&w_m, &w_p);
const DiyFp c_mk = GetCachedPower(w_p.e, K);
const DiyFp W = v.Normalize() * c_mk;
DiyFp Wp = w_p * c_mk;
DiyFp Wm = w_m * c_mk;
Wm.f++;
Wp.f--;
DigitGen(W, Wp, Wp.f - Wm.f, buffer, length, K);
}
inline char *WriteExponent(int K, char *buffer) {
if (K < 0) {
*buffer++ = '-';
K = -K;
}
if (K >= 100) {
*buffer++ = static_cast<char>('0' + static_cast<char>(K / 100));
K %= 100;
const char *d = GetDigitsLut() + K * 2;
*buffer++ = d[0];
*buffer++ = d[1];
} else if (K >= 10) {
const char *d = GetDigitsLut() + K * 2;
*buffer++ = d[0];
*buffer++ = d[1];
} else
*buffer++ = static_cast<char>('0' + static_cast<char>(K));
return buffer;
}
inline char *Prettify(char *buffer, int length, int k, int maxDecimalPlaces) {
const int kk = length + k; // 10^(kk-1) <= v < 10^kk
if (0 <= k && kk <= 21) {
// 1234e7 -> 12340000000
for (int i = length; i < kk; i++) buffer[i] = '0';
buffer[kk] = '.';
buffer[kk + 1] = '0';
return &buffer[kk + 2];
} else if (0 < kk && kk <= 21) {
// 1234e-2 -> 12.34
std::memmove(&buffer[kk + 1], &buffer[kk],
static_cast<size_t>(length - kk));
buffer[kk] = '.';
if (0 > k + maxDecimalPlaces) {
// When maxDecimalPlaces = 2, 1.2345 -> 1.23, 1.102 -> 1.1
// Remove extra trailing zeros (at least one) after truncation.
for (int i = kk + maxDecimalPlaces; i > kk + 1; i--)
if (buffer[i] != '0') return &buffer[i + 1];
return &buffer[kk + 2]; // Reserve one zero
} else
return &buffer[length + 1];
} else if (-6 < kk && kk <= 0) {
// 1234e-6 -> 0.001234
const int offset = 2 - kk;
std::memmove(&buffer[offset], &buffer[0], static_cast<size_t>(length));
buffer[0] = '0';
buffer[1] = '.';
for (int i = 2; i < offset; i++) buffer[i] = '0';
if (length - kk > maxDecimalPlaces) {
// When maxDecimalPlaces = 2, 0.123 -> 0.12, 0.102 -> 0.1
// Remove extra trailing zeros (at least one) after truncation.
for (int i = maxDecimalPlaces + 1; i > 2; i--)
if (buffer[i] != '0') return &buffer[i + 1];
return &buffer[3]; // Reserve one zero
} else
return &buffer[length + offset];
} else if (kk < -maxDecimalPlaces) {
// Truncate to zero
buffer[0] = '0';
buffer[1] = '.';
buffer[2] = '0';
return &buffer[3];
} else if (length == 1) {
// 1e30
buffer[1] = 'e';
return WriteExponent(kk - 1, &buffer[2]);
} else {
// 1234e30 -> 1.234e33
std::memmove(&buffer[2], &buffer[1], static_cast<size_t>(length - 1));
buffer[1] = '.';
buffer[length + 1] = 'e';
return WriteExponent(kk - 1, &buffer[0 + length + 2]);
}
}
inline char *dtoa(double value, char *buffer, int maxDecimalPlaces = 324) {
RAPIDJSON_ASSERT(maxDecimalPlaces >= 1);
Double d(value);
if (d.IsZero()) {
if (d.Sign()) *buffer++ = '-'; // -0.0, Issue #289
buffer[0] = '0';
buffer[1] = '.';
buffer[2] = '0';
return &buffer[3];
} else {
if (value < 0) {
*buffer++ = '-';
value = -value;
}
int length, K;
Grisu2(value, buffer, &length, &K);
return Prettify(buffer, length, K, maxDecimalPlaces);
}
}
#ifdef __GNUC__
RAPIDJSON_DIAG_POP
#endif
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_DTOA_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_IEEE754_
#define RAPIDJSON_IEEE754_
#include "../rapidjson.h"
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
class Double {
public:
Double() {}
Double(double d) : d_(d) {}
Double(uint64_t u) : u_(u) {}
double Value() const { return d_; }
uint64_t Uint64Value() const { return u_; }
double NextPositiveDouble() const {
RAPIDJSON_ASSERT(!Sign());
return Double(u_ + 1).Value();
}
bool Sign() const { return (u_ & kSignMask) != 0; }
uint64_t Significand() const { return u_ & kSignificandMask; }
int Exponent() const {
return static_cast<int>(((u_ & kExponentMask) >> kSignificandSize) -
kExponentBias);
}
bool IsNan() const {
return (u_ & kExponentMask) == kExponentMask && Significand() != 0;
}
bool IsInf() const {
return (u_ & kExponentMask) == kExponentMask && Significand() == 0;
}
bool IsNanOrInf() const { return (u_ & kExponentMask) == kExponentMask; }
bool IsNormal() const {
return (u_ & kExponentMask) != 0 || Significand() == 0;
}
bool IsZero() const { return (u_ & (kExponentMask | kSignificandMask)) == 0; }
uint64_t IntegerSignificand() const {
return IsNormal() ? Significand() | kHiddenBit : Significand();
}
int IntegerExponent() const {
return (IsNormal() ? Exponent() : kDenormalExponent) - kSignificandSize;
}
uint64_t ToBias() const {
return (u_ & kSignMask) ? ~u_ + 1 : u_ | kSignMask;
}
static int EffectiveSignificandSize(int order) {
if (order >= -1021)
return 53;
else if (order <= -1074)
return 0;
else
return order + 1074;
}
private:
static const int kSignificandSize = 52;
static const int kExponentBias = 0x3FF;
static const int kDenormalExponent = 1 - kExponentBias;
static const uint64_t kSignMask = RAPIDJSON_UINT64_C2(0x80000000, 0x00000000);
static const uint64_t kExponentMask =
RAPIDJSON_UINT64_C2(0x7FF00000, 0x00000000);
static const uint64_t kSignificandMask =
RAPIDJSON_UINT64_C2(0x000FFFFF, 0xFFFFFFFF);
static const uint64_t kHiddenBit =
RAPIDJSON_UINT64_C2(0x00100000, 0x00000000);
union {
double d_;
uint64_t u_;
};
};
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_IEEE754_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_ITOA_
#define RAPIDJSON_ITOA_
#include "../rapidjson.h"
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
inline const char *GetDigitsLut() {
static const char cDigitsLut[200] = {
'0', '0', '0', '1', '0', '2', '0', '3', '0', '4', '0', '5', '0', '6', '0',
'7', '0', '8', '0', '9', '1', '0', '1', '1', '1', '2', '1', '3', '1', '4',
'1', '5', '1', '6', '1', '7', '1', '8', '1', '9', '2', '0', '2', '1', '2',
'2', '2', '3', '2', '4', '2', '5', '2', '6', '2', '7', '2', '8', '2', '9',
'3', '0', '3', '1', '3', '2', '3', '3', '3', '4', '3', '5', '3', '6', '3',
'7', '3', '8', '3', '9', '4', '0', '4', '1', '4', '2', '4', '3', '4', '4',
'4', '5', '4', '6', '4', '7', '4', '8', '4', '9', '5', '0', '5', '1', '5',
'2', '5', '3', '5', '4', '5', '5', '5', '6', '5', '7', '5', '8', '5', '9',
'6', '0', '6', '1', '6', '2', '6', '3', '6', '4', '6', '5', '6', '6', '6',
'7', '6', '8', '6', '9', '7', '0', '7', '1', '7', '2', '7', '3', '7', '4',
'7', '5', '7', '6', '7', '7', '7', '8', '7', '9', '8', '0', '8', '1', '8',
'2', '8', '3', '8', '4', '8', '5', '8', '6', '8', '7', '8', '8', '8', '9',
'9', '0', '9', '1', '9', '2', '9', '3', '9', '4', '9', '5', '9', '6', '9',
'7', '9', '8', '9', '9'};
return cDigitsLut;
}
inline char *u32toa(uint32_t value, char *buffer) {
RAPIDJSON_ASSERT(buffer != 0);
const char *cDigitsLut = GetDigitsLut();
if (value < 10000) {
const uint32_t d1 = (value / 100) << 1;
const uint32_t d2 = (value % 100) << 1;
if (value >= 1000) *buffer++ = cDigitsLut[d1];
if (value >= 100) *buffer++ = cDigitsLut[d1 + 1];
if (value >= 10) *buffer++ = cDigitsLut[d2];
*buffer++ = cDigitsLut[d2 + 1];
} else if (value < 100000000) {
// value = bbbbcccc
const uint32_t b = value / 10000;
const uint32_t c = value % 10000;
const uint32_t d1 = (b / 100) << 1;
const uint32_t d2 = (b % 100) << 1;
const uint32_t d3 = (c / 100) << 1;
const uint32_t d4 = (c % 100) << 1;
if (value >= 10000000) *buffer++ = cDigitsLut[d1];
if (value >= 1000000) *buffer++ = cDigitsLut[d1 + 1];
if (value >= 100000) *buffer++ = cDigitsLut[d2];
*buffer++ = cDigitsLut[d2 + 1];
*buffer++ = cDigitsLut[d3];
*buffer++ = cDigitsLut[d3 + 1];
*buffer++ = cDigitsLut[d4];
*buffer++ = cDigitsLut[d4 + 1];
} else {
// value = aabbbbcccc in decimal
const uint32_t a = value / 100000000; // 1 to 42
value %= 100000000;
if (a >= 10) {
const unsigned i = a << 1;
*buffer++ = cDigitsLut[i];
*buffer++ = cDigitsLut[i + 1];
} else
*buffer++ = static_cast<char>('0' + static_cast<char>(a));
const uint32_t b = value / 10000; // 0 to 9999
const uint32_t c = value % 10000; // 0 to 9999
const uint32_t d1 = (b / 100) << 1;
const uint32_t d2 = (b % 100) << 1;
const uint32_t d3 = (c / 100) << 1;
const uint32_t d4 = (c % 100) << 1;
*buffer++ = cDigitsLut[d1];
*buffer++ = cDigitsLut[d1 + 1];
*buffer++ = cDigitsLut[d2];
*buffer++ = cDigitsLut[d2 + 1];
*buffer++ = cDigitsLut[d3];
*buffer++ = cDigitsLut[d3 + 1];
*buffer++ = cDigitsLut[d4];
*buffer++ = cDigitsLut[d4 + 1];
}
return buffer;
}
inline char *i32toa(int32_t value, char *buffer) {
RAPIDJSON_ASSERT(buffer != 0);
uint32_t u = static_cast<uint32_t>(value);
if (value < 0) {
*buffer++ = '-';
u = ~u + 1;
}
return u32toa(u, buffer);
}
inline char *u64toa(uint64_t value, char *buffer) {
RAPIDJSON_ASSERT(buffer != 0);
const char *cDigitsLut = GetDigitsLut();
const uint64_t kTen8 = 100000000;
const uint64_t kTen9 = kTen8 * 10;
const uint64_t kTen10 = kTen8 * 100;
const uint64_t kTen11 = kTen8 * 1000;
const uint64_t kTen12 = kTen8 * 10000;
const uint64_t kTen13 = kTen8 * 100000;
const uint64_t kTen14 = kTen8 * 1000000;
const uint64_t kTen15 = kTen8 * 10000000;
const uint64_t kTen16 = kTen8 * kTen8;
if (value < kTen8) {
uint32_t v = static_cast<uint32_t>(value);
if (v < 10000) {
const uint32_t d1 = (v / 100) << 1;
const uint32_t d2 = (v % 100) << 1;
if (v >= 1000) *buffer++ = cDigitsLut[d1];
if (v >= 100) *buffer++ = cDigitsLut[d1 + 1];
if (v >= 10) *buffer++ = cDigitsLut[d2];
*buffer++ = cDigitsLut[d2 + 1];
} else {
// value = bbbbcccc
const uint32_t b = v / 10000;
const uint32_t c = v % 10000;
const uint32_t d1 = (b / 100) << 1;
const uint32_t d2 = (b % 100) << 1;
const uint32_t d3 = (c / 100) << 1;
const uint32_t d4 = (c % 100) << 1;
if (value >= 10000000) *buffer++ = cDigitsLut[d1];
if (value >= 1000000) *buffer++ = cDigitsLut[d1 + 1];
if (value >= 100000) *buffer++ = cDigitsLut[d2];
*buffer++ = cDigitsLut[d2 + 1];
*buffer++ = cDigitsLut[d3];
*buffer++ = cDigitsLut[d3 + 1];
*buffer++ = cDigitsLut[d4];
*buffer++ = cDigitsLut[d4 + 1];
}
} else if (value < kTen16) {
const uint32_t v0 = static_cast<uint32_t>(value / kTen8);
const uint32_t v1 = static_cast<uint32_t>(value % kTen8);
const uint32_t b0 = v0 / 10000;
const uint32_t c0 = v0 % 10000;
const uint32_t d1 = (b0 / 100) << 1;
const uint32_t d2 = (b0 % 100) << 1;
const uint32_t d3 = (c0 / 100) << 1;
const uint32_t d4 = (c0 % 100) << 1;
const uint32_t b1 = v1 / 10000;
const uint32_t c1 = v1 % 10000;
const uint32_t d5 = (b1 / 100) << 1;
const uint32_t d6 = (b1 % 100) << 1;
const uint32_t d7 = (c1 / 100) << 1;
const uint32_t d8 = (c1 % 100) << 1;
if (value >= kTen15) *buffer++ = cDigitsLut[d1];
if (value >= kTen14) *buffer++ = cDigitsLut[d1 + 1];
if (value >= kTen13) *buffer++ = cDigitsLut[d2];
if (value >= kTen12) *buffer++ = cDigitsLut[d2 + 1];
if (value >= kTen11) *buffer++ = cDigitsLut[d3];
if (value >= kTen10) *buffer++ = cDigitsLut[d3 + 1];
if (value >= kTen9) *buffer++ = cDigitsLut[d4];
*buffer++ = cDigitsLut[d4 + 1];
*buffer++ = cDigitsLut[d5];
*buffer++ = cDigitsLut[d5 + 1];
*buffer++ = cDigitsLut[d6];
*buffer++ = cDigitsLut[d6 + 1];
*buffer++ = cDigitsLut[d7];
*buffer++ = cDigitsLut[d7 + 1];
*buffer++ = cDigitsLut[d8];
*buffer++ = cDigitsLut[d8 + 1];
} else {
const uint32_t a = static_cast<uint32_t>(value / kTen16); // 1 to 1844
value %= kTen16;
if (a < 10)
*buffer++ = static_cast<char>('0' + static_cast<char>(a));
else if (a < 100) {
const uint32_t i = a << 1;
*buffer++ = cDigitsLut[i];
*buffer++ = cDigitsLut[i + 1];
} else if (a < 1000) {
*buffer++ = static_cast<char>('0' + static_cast<char>(a / 100));
const uint32_t i = (a % 100) << 1;
*buffer++ = cDigitsLut[i];
*buffer++ = cDigitsLut[i + 1];
} else {
const uint32_t i = (a / 100) << 1;
const uint32_t j = (a % 100) << 1;
*buffer++ = cDigitsLut[i];
*buffer++ = cDigitsLut[i + 1];
*buffer++ = cDigitsLut[j];
*buffer++ = cDigitsLut[j + 1];
}
const uint32_t v0 = static_cast<uint32_t>(value / kTen8);
const uint32_t v1 = static_cast<uint32_t>(value % kTen8);
const uint32_t b0 = v0 / 10000;
const uint32_t c0 = v0 % 10000;
const uint32_t d1 = (b0 / 100) << 1;
const uint32_t d2 = (b0 % 100) << 1;
const uint32_t d3 = (c0 / 100) << 1;
const uint32_t d4 = (c0 % 100) << 1;
const uint32_t b1 = v1 / 10000;
const uint32_t c1 = v1 % 10000;
const uint32_t d5 = (b1 / 100) << 1;
const uint32_t d6 = (b1 % 100) << 1;
const uint32_t d7 = (c1 / 100) << 1;
const uint32_t d8 = (c1 % 100) << 1;
*buffer++ = cDigitsLut[d1];
*buffer++ = cDigitsLut[d1 + 1];
*buffer++ = cDigitsLut[d2];
*buffer++ = cDigitsLut[d2 + 1];
*buffer++ = cDigitsLut[d3];
*buffer++ = cDigitsLut[d3 + 1];
*buffer++ = cDigitsLut[d4];
*buffer++ = cDigitsLut[d4 + 1];
*buffer++ = cDigitsLut[d5];
*buffer++ = cDigitsLut[d5 + 1];
*buffer++ = cDigitsLut[d6];
*buffer++ = cDigitsLut[d6 + 1];
*buffer++ = cDigitsLut[d7];
*buffer++ = cDigitsLut[d7 + 1];
*buffer++ = cDigitsLut[d8];
*buffer++ = cDigitsLut[d8 + 1];
}
return buffer;
}
inline char *i64toa(int64_t value, char *buffer) {
RAPIDJSON_ASSERT(buffer != 0);
uint64_t u = static_cast<uint64_t>(value);
if (value < 0) {
*buffer++ = '-';
u = ~u + 1;
}
return u64toa(u, buffer);
}
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_ITOA_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_INTERNAL_META_H_
#define RAPIDJSON_INTERNAL_META_H_
#include "../rapidjson.h"
#ifdef __GNUC__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
#endif
#if defined(_MSC_VER) && !defined(__clang__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(6334)
#endif
#if RAPIDJSON_HAS_CXX11_TYPETRAITS
#include <type_traits>
#endif
//@cond RAPIDJSON_INTERNAL
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
// Helper to wrap/convert arbitrary types to void, useful for arbitrary type
// matching
template <typename T>
struct Void {
typedef void Type;
};
///////////////////////////////////////////////////////////////////////////////
// BoolType, TrueType, FalseType
//
template <bool Cond>
struct BoolType {
static const bool Value = Cond;
typedef BoolType Type;
};
typedef BoolType<true> TrueType;
typedef BoolType<false> FalseType;
///////////////////////////////////////////////////////////////////////////////
// SelectIf, BoolExpr, NotExpr, AndExpr, OrExpr
//
template <bool C>
struct SelectIfImpl {
template <typename T1, typename T2>
struct Apply {
typedef T1 Type;
};
};
template <>
struct SelectIfImpl<false> {
template <typename T1, typename T2>
struct Apply {
typedef T2 Type;
};
};
template <bool C, typename T1, typename T2>
struct SelectIfCond : SelectIfImpl<C>::template Apply<T1, T2> {};
template <typename C, typename T1, typename T2>
struct SelectIf : SelectIfCond<C::Value, T1, T2> {};
template <bool Cond1, bool Cond2>
struct AndExprCond : FalseType {};
template <>
struct AndExprCond<true, true> : TrueType {};
template <bool Cond1, bool Cond2>
struct OrExprCond : TrueType {};
template <>
struct OrExprCond<false, false> : FalseType {};
template <typename C>
struct BoolExpr : SelectIf<C, TrueType, FalseType>::Type {};
template <typename C>
struct NotExpr : SelectIf<C, FalseType, TrueType>::Type {};
template <typename C1, typename C2>
struct AndExpr : AndExprCond<C1::Value, C2::Value>::Type {};
template <typename C1, typename C2>
struct OrExpr : OrExprCond<C1::Value, C2::Value>::Type {};
///////////////////////////////////////////////////////////////////////////////
// AddConst, MaybeAddConst, RemoveConst
template <typename T>
struct AddConst {
typedef const T Type;
};
template <bool Constify, typename T>
struct MaybeAddConst : SelectIfCond<Constify, const T, T> {};
template <typename T>
struct RemoveConst {
typedef T Type;
};
template <typename T>
struct RemoveConst<const T> {
typedef T Type;
};
///////////////////////////////////////////////////////////////////////////////
// IsSame, IsConst, IsMoreConst, IsPointer
//
template <typename T, typename U>
struct IsSame : FalseType {};
template <typename T>
struct IsSame<T, T> : TrueType {};
template <typename T>
struct IsConst : FalseType {};
template <typename T>
struct IsConst<const T> : TrueType {};
template <typename CT, typename T>
struct IsMoreConst
: AndExpr<
IsSame<typename RemoveConst<CT>::Type, typename RemoveConst<T>::Type>,
BoolType<IsConst<CT>::Value >= IsConst<T>::Value>>::Type {};
template <typename T>
struct IsPointer : FalseType {};
template <typename T>
struct IsPointer<T *> : TrueType {};
///////////////////////////////////////////////////////////////////////////////
// IsBaseOf
//
#if RAPIDJSON_HAS_CXX11_TYPETRAITS
template <typename B, typename D>
struct IsBaseOf : BoolType<::std::is_base_of<B, D>::value> {};
#else // simplified version adopted from Boost
template <typename B, typename D>
struct IsBaseOfImpl {
RAPIDJSON_STATIC_ASSERT(sizeof(B) != 0);
RAPIDJSON_STATIC_ASSERT(sizeof(D) != 0);
typedef char (&Yes)[1];
typedef char (&No)[2];
template <typename T>
static Yes Check(const D *, T);
static No Check(const B *, int);
struct Host {
operator const B *() const;
operator const D *();
};
enum { Value = (sizeof(Check(Host(), 0)) == sizeof(Yes)) };
};
template <typename B, typename D>
struct IsBaseOf : OrExpr<IsSame<B, D>, BoolExpr<IsBaseOfImpl<B, D>>>::Type {};
#endif // RAPIDJSON_HAS_CXX11_TYPETRAITS
//////////////////////////////////////////////////////////////////////////
// EnableIf / DisableIf
//
template <bool Condition, typename T = void>
struct EnableIfCond {
typedef T Type;
};
template <typename T>
struct EnableIfCond<false, T> { /* empty */
};
template <bool Condition, typename T = void>
struct DisableIfCond {
typedef T Type;
};
template <typename T>
struct DisableIfCond<true, T> { /* empty */
};
template <typename Condition, typename T = void>
struct EnableIf : EnableIfCond<Condition::Value, T> {};
template <typename Condition, typename T = void>
struct DisableIf : DisableIfCond<Condition::Value, T> {};
// SFINAE helpers
struct SfinaeTag {};
template <typename T>
struct RemoveSfinaeTag;
template <typename T>
struct RemoveSfinaeTag<SfinaeTag &(*)(T)> {
typedef T Type;
};
#define RAPIDJSON_REMOVEFPTR_(type) \
typename ::RAPIDJSON_NAMESPACE::internal::RemoveSfinaeTag< \
::RAPIDJSON_NAMESPACE::internal::SfinaeTag &(*)type>::Type
#define RAPIDJSON_ENABLEIF(cond) \
typename ::RAPIDJSON_NAMESPACE::internal::EnableIf<RAPIDJSON_REMOVEFPTR_( \
cond)>::Type * = NULL
#define RAPIDJSON_DISABLEIF(cond) \
typename ::RAPIDJSON_NAMESPACE::internal::DisableIf<RAPIDJSON_REMOVEFPTR_( \
cond)>::Type * = NULL
#define RAPIDJSON_ENABLEIF_RETURN(cond, returntype) \
typename ::RAPIDJSON_NAMESPACE::internal::EnableIf< \
RAPIDJSON_REMOVEFPTR_(cond), RAPIDJSON_REMOVEFPTR_(returntype)>::Type
#define RAPIDJSON_DISABLEIF_RETURN(cond, returntype) \
typename ::RAPIDJSON_NAMESPACE::internal::DisableIf< \
RAPIDJSON_REMOVEFPTR_(cond), RAPIDJSON_REMOVEFPTR_(returntype)>::Type
} // namespace internal
RAPIDJSON_NAMESPACE_END
//@endcond
#if defined(_MSC_VER) && !defined(__clang__)
RAPIDJSON_DIAG_POP
#endif
#ifdef __GNUC__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_INTERNAL_META_H_

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@@ -0,0 +1,77 @@
// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_POW10_
#define RAPIDJSON_POW10_
#include "../rapidjson.h"
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
//! Computes integer powers of 10 in double (10.0^n).
/*! This function uses lookup table for fast and accurate results.
\param n non-negative exponent. Must <= 308.
\return 10.0^n
*/
inline double Pow10(int n) {
static const double e[] = {
// 1e-0...1e308: 309 * 8 bytes = 2472 bytes
1e+0, 1e+1, 1e+2, 1e+3, 1e+4, 1e+5, 1e+6, 1e+7, 1e+8,
1e+9, 1e+10, 1e+11, 1e+12, 1e+13, 1e+14, 1e+15, 1e+16, 1e+17,
1e+18, 1e+19, 1e+20, 1e+21, 1e+22, 1e+23, 1e+24, 1e+25, 1e+26,
1e+27, 1e+28, 1e+29, 1e+30, 1e+31, 1e+32, 1e+33, 1e+34, 1e+35,
1e+36, 1e+37, 1e+38, 1e+39, 1e+40, 1e+41, 1e+42, 1e+43, 1e+44,
1e+45, 1e+46, 1e+47, 1e+48, 1e+49, 1e+50, 1e+51, 1e+52, 1e+53,
1e+54, 1e+55, 1e+56, 1e+57, 1e+58, 1e+59, 1e+60, 1e+61, 1e+62,
1e+63, 1e+64, 1e+65, 1e+66, 1e+67, 1e+68, 1e+69, 1e+70, 1e+71,
1e+72, 1e+73, 1e+74, 1e+75, 1e+76, 1e+77, 1e+78, 1e+79, 1e+80,
1e+81, 1e+82, 1e+83, 1e+84, 1e+85, 1e+86, 1e+87, 1e+88, 1e+89,
1e+90, 1e+91, 1e+92, 1e+93, 1e+94, 1e+95, 1e+96, 1e+97, 1e+98,
1e+99, 1e+100, 1e+101, 1e+102, 1e+103, 1e+104, 1e+105, 1e+106, 1e+107,
1e+108, 1e+109, 1e+110, 1e+111, 1e+112, 1e+113, 1e+114, 1e+115, 1e+116,
1e+117, 1e+118, 1e+119, 1e+120, 1e+121, 1e+122, 1e+123, 1e+124, 1e+125,
1e+126, 1e+127, 1e+128, 1e+129, 1e+130, 1e+131, 1e+132, 1e+133, 1e+134,
1e+135, 1e+136, 1e+137, 1e+138, 1e+139, 1e+140, 1e+141, 1e+142, 1e+143,
1e+144, 1e+145, 1e+146, 1e+147, 1e+148, 1e+149, 1e+150, 1e+151, 1e+152,
1e+153, 1e+154, 1e+155, 1e+156, 1e+157, 1e+158, 1e+159, 1e+160, 1e+161,
1e+162, 1e+163, 1e+164, 1e+165, 1e+166, 1e+167, 1e+168, 1e+169, 1e+170,
1e+171, 1e+172, 1e+173, 1e+174, 1e+175, 1e+176, 1e+177, 1e+178, 1e+179,
1e+180, 1e+181, 1e+182, 1e+183, 1e+184, 1e+185, 1e+186, 1e+187, 1e+188,
1e+189, 1e+190, 1e+191, 1e+192, 1e+193, 1e+194, 1e+195, 1e+196, 1e+197,
1e+198, 1e+199, 1e+200, 1e+201, 1e+202, 1e+203, 1e+204, 1e+205, 1e+206,
1e+207, 1e+208, 1e+209, 1e+210, 1e+211, 1e+212, 1e+213, 1e+214, 1e+215,
1e+216, 1e+217, 1e+218, 1e+219, 1e+220, 1e+221, 1e+222, 1e+223, 1e+224,
1e+225, 1e+226, 1e+227, 1e+228, 1e+229, 1e+230, 1e+231, 1e+232, 1e+233,
1e+234, 1e+235, 1e+236, 1e+237, 1e+238, 1e+239, 1e+240, 1e+241, 1e+242,
1e+243, 1e+244, 1e+245, 1e+246, 1e+247, 1e+248, 1e+249, 1e+250, 1e+251,
1e+252, 1e+253, 1e+254, 1e+255, 1e+256, 1e+257, 1e+258, 1e+259, 1e+260,
1e+261, 1e+262, 1e+263, 1e+264, 1e+265, 1e+266, 1e+267, 1e+268, 1e+269,
1e+270, 1e+271, 1e+272, 1e+273, 1e+274, 1e+275, 1e+276, 1e+277, 1e+278,
1e+279, 1e+280, 1e+281, 1e+282, 1e+283, 1e+284, 1e+285, 1e+286, 1e+287,
1e+288, 1e+289, 1e+290, 1e+291, 1e+292, 1e+293, 1e+294, 1e+295, 1e+296,
1e+297, 1e+298, 1e+299, 1e+300, 1e+301, 1e+302, 1e+303, 1e+304, 1e+305,
1e+306, 1e+307, 1e+308};
RAPIDJSON_ASSERT(n >= 0 && n <= 308);
return e[n];
}
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_POW10_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_INTERNAL_REGEX_H_
#define RAPIDJSON_INTERNAL_REGEX_H_
#include "../allocators.h"
#include "../stream.h"
#include "stack.h"
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
RAPIDJSON_DIAG_OFF(switch - enum)
#elif defined(_MSC_VER)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
#endif
#ifdef __GNUC__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
#endif
#ifndef RAPIDJSON_REGEX_VERBOSE
#define RAPIDJSON_REGEX_VERBOSE 0
#endif
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
///////////////////////////////////////////////////////////////////////////////
// DecodedStream
template <typename SourceStream, typename Encoding>
class DecodedStream {
public:
DecodedStream(SourceStream &ss) : ss_(ss), codepoint_() { Decode(); }
unsigned Peek() { return codepoint_; }
unsigned Take() {
unsigned c = codepoint_;
if (c) // No further decoding when '\0'
Decode();
return c;
}
private:
void Decode() {
if (!Encoding::Decode(ss_, &codepoint_)) codepoint_ = 0;
}
SourceStream &ss_;
unsigned codepoint_;
};
///////////////////////////////////////////////////////////////////////////////
// GenericRegex
static const SizeType kRegexInvalidState = ~SizeType(
0); //!< Represents an invalid index in GenericRegex::State::out, out1
static const SizeType kRegexInvalidRange = ~SizeType(0);
template <typename Encoding, typename Allocator>
class GenericRegexSearch;
//! Regular expression engine with subset of ECMAscript grammar.
/*!
Supported regular expression syntax:
- \c ab Concatenation
- \c a|b Alternation
- \c a? Zero or one
- \c a* Zero or more
- \c a+ One or more
- \c a{3} Exactly 3 times
- \c a{3,} At least 3 times
- \c a{3,5} 3 to 5 times
- \c (ab) Grouping
- \c ^a At the beginning
- \c a$ At the end
- \c . Any character
- \c [abc] Character classes
- \c [a-c] Character class range
- \c [a-z0-9_] Character class combination
- \c [^abc] Negated character classes
- \c [^a-c] Negated character class range
- \c [\b] Backspace (U+0008)
- \c \\| \\\\ ... Escape characters
- \c \\f Form feed (U+000C)
- \c \\n Line feed (U+000A)
- \c \\r Carriage return (U+000D)
- \c \\t Tab (U+0009)
- \c \\v Vertical tab (U+000B)
\note This is a Thompson NFA engine, implemented with reference to
Cox, Russ. "Regular Expression Matching Can Be Simple And Fast (but is
slow in Java, Perl, PHP, Python, Ruby,...).",
https://swtch.com/~rsc/regexp/regexp1.html
*/
template <typename Encoding, typename Allocator = CrtAllocator>
class GenericRegex {
public:
typedef Encoding EncodingType;
typedef typename Encoding::Ch Ch;
template <typename, typename>
friend class GenericRegexSearch;
GenericRegex(const Ch *source, Allocator *allocator = 0)
: ownAllocator_(allocator ? 0 : RAPIDJSON_NEW(Allocator)()),
allocator_(allocator ? allocator : ownAllocator_),
states_(allocator_, 256),
ranges_(allocator_, 256),
root_(kRegexInvalidState),
stateCount_(),
rangeCount_(),
anchorBegin_(),
anchorEnd_() {
GenericStringStream<Encoding> ss(source);
DecodedStream<GenericStringStream<Encoding>, Encoding> ds(ss);
Parse(ds);
}
~GenericRegex() { RAPIDJSON_DELETE(ownAllocator_); }
bool IsValid() const { return root_ != kRegexInvalidState; }
private:
enum Operator {
kZeroOrOne,
kZeroOrMore,
kOneOrMore,
kConcatenation,
kAlternation,
kLeftParenthesis
};
static const unsigned kAnyCharacterClass = 0xFFFFFFFF; //!< For '.'
static const unsigned kRangeCharacterClass = 0xFFFFFFFE;
static const unsigned kRangeNegationFlag = 0x80000000;
struct Range {
unsigned start; //
unsigned end;
SizeType next;
};
struct State {
SizeType out; //!< Equals to kInvalid for matching state
SizeType out1; //!< Equals to non-kInvalid for split
SizeType rangeStart;
unsigned codepoint;
};
struct Frag {
Frag(SizeType s, SizeType o, SizeType m) : start(s), out(o), minIndex(m) {}
SizeType start;
SizeType out; //!< link-list of all output states
SizeType minIndex;
};
State &GetState(SizeType index) {
RAPIDJSON_ASSERT(index < stateCount_);
return states_.template Bottom<State>()[index];
}
const State &GetState(SizeType index) const {
RAPIDJSON_ASSERT(index < stateCount_);
return states_.template Bottom<State>()[index];
}
Range &GetRange(SizeType index) {
RAPIDJSON_ASSERT(index < rangeCount_);
return ranges_.template Bottom<Range>()[index];
}
const Range &GetRange(SizeType index) const {
RAPIDJSON_ASSERT(index < rangeCount_);
return ranges_.template Bottom<Range>()[index];
}
template <typename InputStream>
void Parse(DecodedStream<InputStream, Encoding> &ds) {
Stack<Allocator> operandStack(allocator_, 256); // Frag
Stack<Allocator> operatorStack(allocator_, 256); // Operator
Stack<Allocator> atomCountStack(allocator_,
256); // unsigned (Atom per parenthesis)
*atomCountStack.template Push<unsigned>() = 0;
unsigned codepoint;
while (ds.Peek() != 0) {
switch (codepoint = ds.Take()) {
case '^':
anchorBegin_ = true;
break;
case '$':
anchorEnd_ = true;
break;
case '|':
while (!operatorStack.Empty() &&
*operatorStack.template Top<Operator>() < kAlternation)
if (!Eval(operandStack, *operatorStack.template Pop<Operator>(1)))
return;
*operatorStack.template Push<Operator>() = kAlternation;
*atomCountStack.template Top<unsigned>() = 0;
break;
case '(':
*operatorStack.template Push<Operator>() = kLeftParenthesis;
*atomCountStack.template Push<unsigned>() = 0;
break;
case ')':
while (!operatorStack.Empty() &&
*operatorStack.template Top<Operator>() != kLeftParenthesis)
if (!Eval(operandStack, *operatorStack.template Pop<Operator>(1)))
return;
if (operatorStack.Empty()) return;
operatorStack.template Pop<Operator>(1);
atomCountStack.template Pop<unsigned>(1);
ImplicitConcatenation(atomCountStack, operatorStack);
break;
case '?':
if (!Eval(operandStack, kZeroOrOne)) return;
break;
case '*':
if (!Eval(operandStack, kZeroOrMore)) return;
break;
case '+':
if (!Eval(operandStack, kOneOrMore)) return;
break;
case '{': {
unsigned n, m;
if (!ParseUnsigned(ds, &n)) return;
if (ds.Peek() == ',') {
ds.Take();
if (ds.Peek() == '}')
m = kInfinityQuantifier;
else if (!ParseUnsigned(ds, &m) || m < n)
return;
} else
m = n;
if (!EvalQuantifier(operandStack, n, m) || ds.Peek() != '}') return;
ds.Take();
} break;
case '.':
PushOperand(operandStack, kAnyCharacterClass);
ImplicitConcatenation(atomCountStack, operatorStack);
break;
case '[': {
SizeType range;
if (!ParseRange(ds, &range)) return;
SizeType s = NewState(kRegexInvalidState, kRegexInvalidState,
kRangeCharacterClass);
GetState(s).rangeStart = range;
*operandStack.template Push<Frag>() = Frag(s, s, s);
}
ImplicitConcatenation(atomCountStack, operatorStack);
break;
case '\\': // Escape character
if (!CharacterEscape(ds, &codepoint))
return; // Unsupported escape character
// fall through to default
RAPIDJSON_DELIBERATE_FALLTHROUGH;
default: // Pattern character
PushOperand(operandStack, codepoint);
ImplicitConcatenation(atomCountStack, operatorStack);
}
}
while (!operatorStack.Empty())
if (!Eval(operandStack, *operatorStack.template Pop<Operator>(1))) return;
// Link the operand to matching state.
if (operandStack.GetSize() == sizeof(Frag)) {
Frag *e = operandStack.template Pop<Frag>(1);
Patch(e->out, NewState(kRegexInvalidState, kRegexInvalidState, 0));
root_ = e->start;
#if RAPIDJSON_REGEX_VERBOSE
printf("root: %d\n", root_);
for (SizeType i = 0; i < stateCount_; i++) {
State &s = GetState(i);
printf("[%2d] out: %2d out1: %2d c: '%c'\n", i, s.out, s.out1,
(char)s.codepoint);
}
printf("\n");
#endif
}
}
SizeType NewState(SizeType out, SizeType out1, unsigned codepoint) {
State *s = states_.template Push<State>();
s->out = out;
s->out1 = out1;
s->codepoint = codepoint;
s->rangeStart = kRegexInvalidRange;
return stateCount_++;
}
void PushOperand(Stack<Allocator> &operandStack, unsigned codepoint) {
SizeType s = NewState(kRegexInvalidState, kRegexInvalidState, codepoint);
*operandStack.template Push<Frag>() = Frag(s, s, s);
}
void ImplicitConcatenation(Stack<Allocator> &atomCountStack,
Stack<Allocator> &operatorStack) {
if (*atomCountStack.template Top<unsigned>())
*operatorStack.template Push<Operator>() = kConcatenation;
(*atomCountStack.template Top<unsigned>())++;
}
SizeType Append(SizeType l1, SizeType l2) {
SizeType old = l1;
while (GetState(l1).out != kRegexInvalidState) l1 = GetState(l1).out;
GetState(l1).out = l2;
return old;
}
void Patch(SizeType l, SizeType s) {
for (SizeType next; l != kRegexInvalidState; l = next) {
next = GetState(l).out;
GetState(l).out = s;
}
}
bool Eval(Stack<Allocator> &operandStack, Operator op) {
switch (op) {
case kConcatenation:
RAPIDJSON_ASSERT(operandStack.GetSize() >= sizeof(Frag) * 2);
{
Frag e2 = *operandStack.template Pop<Frag>(1);
Frag e1 = *operandStack.template Pop<Frag>(1);
Patch(e1.out, e2.start);
*operandStack.template Push<Frag>() =
Frag(e1.start, e2.out, Min(e1.minIndex, e2.minIndex));
}
return true;
case kAlternation:
if (operandStack.GetSize() >= sizeof(Frag) * 2) {
Frag e2 = *operandStack.template Pop<Frag>(1);
Frag e1 = *operandStack.template Pop<Frag>(1);
SizeType s = NewState(e1.start, e2.start, 0);
*operandStack.template Push<Frag>() =
Frag(s, Append(e1.out, e2.out), Min(e1.minIndex, e2.minIndex));
return true;
}
return false;
case kZeroOrOne:
if (operandStack.GetSize() >= sizeof(Frag)) {
Frag e = *operandStack.template Pop<Frag>(1);
SizeType s = NewState(kRegexInvalidState, e.start, 0);
*operandStack.template Push<Frag>() =
Frag(s, Append(e.out, s), e.minIndex);
return true;
}
return false;
case kZeroOrMore:
if (operandStack.GetSize() >= sizeof(Frag)) {
Frag e = *operandStack.template Pop<Frag>(1);
SizeType s = NewState(kRegexInvalidState, e.start, 0);
Patch(e.out, s);
*operandStack.template Push<Frag>() = Frag(s, s, e.minIndex);
return true;
}
return false;
case kOneOrMore:
if (operandStack.GetSize() >= sizeof(Frag)) {
Frag e = *operandStack.template Pop<Frag>(1);
SizeType s = NewState(kRegexInvalidState, e.start, 0);
Patch(e.out, s);
*operandStack.template Push<Frag>() = Frag(e.start, s, e.minIndex);
return true;
}
return false;
default:
// syntax error (e.g. unclosed kLeftParenthesis)
return false;
}
}
bool EvalQuantifier(Stack<Allocator> &operandStack, unsigned n, unsigned m) {
RAPIDJSON_ASSERT(n <= m);
RAPIDJSON_ASSERT(operandStack.GetSize() >= sizeof(Frag));
if (n == 0) {
if (m == 0) // a{0} not support
return false;
else if (m == kInfinityQuantifier)
Eval(operandStack, kZeroOrMore); // a{0,} -> a*
else {
Eval(operandStack, kZeroOrOne); // a{0,5} -> a?
for (unsigned i = 0; i < m - 1; i++)
CloneTopOperand(operandStack); // a{0,5} -> a? a? a? a? a?
for (unsigned i = 0; i < m - 1; i++)
Eval(operandStack, kConcatenation); // a{0,5} -> a?a?a?a?a?
}
return true;
}
for (unsigned i = 0; i < n - 1; i++) // a{3} -> a a a
CloneTopOperand(operandStack);
if (m == kInfinityQuantifier)
Eval(operandStack, kOneOrMore); // a{3,} -> a a a+
else if (m > n) {
CloneTopOperand(operandStack); // a{3,5} -> a a a a
Eval(operandStack, kZeroOrOne); // a{3,5} -> a a a a?
for (unsigned i = n; i < m - 1; i++)
CloneTopOperand(operandStack); // a{3,5} -> a a a a? a?
for (unsigned i = n; i < m; i++)
Eval(operandStack, kConcatenation); // a{3,5} -> a a aa?a?
}
for (unsigned i = 0; i < n - 1; i++)
Eval(operandStack,
kConcatenation); // a{3} -> aaa, a{3,} -> aaa+, a{3.5} -> aaaa?a?
return true;
}
static SizeType Min(SizeType a, SizeType b) { return a < b ? a : b; }
void CloneTopOperand(Stack<Allocator> &operandStack) {
const Frag src =
*operandStack
.template Top<Frag>(); // Copy constructor to prevent invalidation
SizeType count =
stateCount_ - src.minIndex; // Assumes top operand contains states in
// [src->minIndex, stateCount_)
State *s = states_.template Push<State>(count);
memcpy(s, &GetState(src.minIndex), count * sizeof(State));
for (SizeType j = 0; j < count; j++) {
if (s[j].out != kRegexInvalidState) s[j].out += count;
if (s[j].out1 != kRegexInvalidState) s[j].out1 += count;
}
*operandStack.template Push<Frag>() =
Frag(src.start + count, src.out + count, src.minIndex + count);
stateCount_ += count;
}
template <typename InputStream>
bool ParseUnsigned(DecodedStream<InputStream, Encoding> &ds, unsigned *u) {
unsigned r = 0;
if (ds.Peek() < '0' || ds.Peek() > '9') return false;
while (ds.Peek() >= '0' && ds.Peek() <= '9') {
if (r >= 429496729 && ds.Peek() > '5') // 2^32 - 1 = 4294967295
return false; // overflow
r = r * 10 + (ds.Take() - '0');
}
*u = r;
return true;
}
template <typename InputStream>
bool ParseRange(DecodedStream<InputStream, Encoding> &ds, SizeType *range) {
bool isBegin = true;
bool negate = false;
int step = 0;
SizeType start = kRegexInvalidRange;
SizeType current = kRegexInvalidRange;
unsigned codepoint;
while ((codepoint = ds.Take()) != 0) {
if (isBegin) {
isBegin = false;
if (codepoint == '^') {
negate = true;
continue;
}
}
switch (codepoint) {
case ']':
if (start == kRegexInvalidRange)
return false; // Error: nothing inside []
if (step == 2) { // Add trailing '-'
SizeType r = NewRange('-');
RAPIDJSON_ASSERT(current != kRegexInvalidRange);
GetRange(current).next = r;
}
if (negate) GetRange(start).start |= kRangeNegationFlag;
*range = start;
return true;
case '\\':
if (ds.Peek() == 'b') {
ds.Take();
codepoint = 0x0008; // Escape backspace character
} else if (!CharacterEscape(ds, &codepoint))
return false;
// fall through to default
RAPIDJSON_DELIBERATE_FALLTHROUGH;
default:
switch (step) {
case 1:
if (codepoint == '-') {
step++;
break;
}
// fall through to step 0 for other characters
RAPIDJSON_DELIBERATE_FALLTHROUGH;
case 0: {
SizeType r = NewRange(codepoint);
if (current != kRegexInvalidRange) GetRange(current).next = r;
if (start == kRegexInvalidRange) start = r;
current = r;
}
step = 1;
break;
default:
RAPIDJSON_ASSERT(step == 2);
GetRange(current).end = codepoint;
step = 0;
}
}
}
return false;
}
SizeType NewRange(unsigned codepoint) {
Range *r = ranges_.template Push<Range>();
r->start = r->end = codepoint;
r->next = kRegexInvalidRange;
return rangeCount_++;
}
template <typename InputStream>
bool CharacterEscape(DecodedStream<InputStream, Encoding> &ds,
unsigned *escapedCodepoint) {
unsigned codepoint;
switch (codepoint = ds.Take()) {
case '^':
case '$':
case '|':
case '(':
case ')':
case '?':
case '*':
case '+':
case '.':
case '[':
case ']':
case '{':
case '}':
case '\\':
*escapedCodepoint = codepoint;
return true;
case 'f':
*escapedCodepoint = 0x000C;
return true;
case 'n':
*escapedCodepoint = 0x000A;
return true;
case 'r':
*escapedCodepoint = 0x000D;
return true;
case 't':
*escapedCodepoint = 0x0009;
return true;
case 'v':
*escapedCodepoint = 0x000B;
return true;
default:
return false; // Unsupported escape character
}
}
Allocator *ownAllocator_;
Allocator *allocator_;
Stack<Allocator> states_;
Stack<Allocator> ranges_;
SizeType root_;
SizeType stateCount_;
SizeType rangeCount_;
static const unsigned kInfinityQuantifier = ~0u;
// For SearchWithAnchoring()
bool anchorBegin_;
bool anchorEnd_;
};
template <typename RegexType, typename Allocator = CrtAllocator>
class GenericRegexSearch {
public:
typedef typename RegexType::EncodingType Encoding;
typedef typename Encoding::Ch Ch;
GenericRegexSearch(const RegexType &regex, Allocator *allocator = 0)
: regex_(regex),
allocator_(allocator),
ownAllocator_(0),
state0_(allocator, 0),
state1_(allocator, 0),
stateSet_() {
RAPIDJSON_ASSERT(regex_.IsValid());
if (!allocator_) ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)();
stateSet_ = static_cast<unsigned *>(allocator_->Malloc(GetStateSetSize()));
state0_.template Reserve<SizeType>(regex_.stateCount_);
state1_.template Reserve<SizeType>(regex_.stateCount_);
}
~GenericRegexSearch() {
Allocator::Free(stateSet_);
RAPIDJSON_DELETE(ownAllocator_);
}
template <typename InputStream>
bool Match(InputStream &is) {
return SearchWithAnchoring(is, true, true);
}
bool Match(const Ch *s) {
GenericStringStream<Encoding> is(s);
return Match(is);
}
template <typename InputStream>
bool Search(InputStream &is) {
return SearchWithAnchoring(is, regex_.anchorBegin_, regex_.anchorEnd_);
}
bool Search(const Ch *s) {
GenericStringStream<Encoding> is(s);
return Search(is);
}
private:
typedef typename RegexType::State State;
typedef typename RegexType::Range Range;
template <typename InputStream>
bool SearchWithAnchoring(InputStream &is, bool anchorBegin, bool anchorEnd) {
DecodedStream<InputStream, Encoding> ds(is);
state0_.Clear();
Stack<Allocator> *current = &state0_, *next = &state1_;
const size_t stateSetSize = GetStateSetSize();
std::memset(stateSet_, 0, stateSetSize);
bool matched = AddState(*current, regex_.root_);
unsigned codepoint;
while (!current->Empty() && (codepoint = ds.Take()) != 0) {
std::memset(stateSet_, 0, stateSetSize);
next->Clear();
matched = false;
for (const SizeType *s = current->template Bottom<SizeType>();
s != current->template End<SizeType>(); ++s) {
const State &sr = regex_.GetState(*s);
if (sr.codepoint == codepoint ||
sr.codepoint == RegexType::kAnyCharacterClass ||
(sr.codepoint == RegexType::kRangeCharacterClass &&
MatchRange(sr.rangeStart, codepoint))) {
matched = AddState(*next, sr.out) || matched;
if (!anchorEnd && matched) return true;
}
if (!anchorBegin) AddState(*next, regex_.root_);
}
internal::Swap(current, next);
}
return matched;
}
size_t GetStateSetSize() const { return (regex_.stateCount_ + 31) / 32 * 4; }
// Return whether the added states is a match state
bool AddState(Stack<Allocator> &l, SizeType index) {
RAPIDJSON_ASSERT(index != kRegexInvalidState);
const State &s = regex_.GetState(index);
if (s.out1 != kRegexInvalidState) { // Split
bool matched = AddState(l, s.out);
return AddState(l, s.out1) || matched;
} else if (!(stateSet_[index >> 5] & (1u << (index & 31)))) {
stateSet_[index >> 5] |= (1u << (index & 31));
*l.template PushUnsafe<SizeType>() = index;
}
return s.out ==
kRegexInvalidState; // by using PushUnsafe() above, we can ensure s
// is not validated due to reallocation.
}
bool MatchRange(SizeType rangeIndex, unsigned codepoint) const {
bool yes = (regex_.GetRange(rangeIndex).start &
RegexType::kRangeNegationFlag) == 0;
while (rangeIndex != kRegexInvalidRange) {
const Range &r = regex_.GetRange(rangeIndex);
if (codepoint >= (r.start & ~RegexType::kRangeNegationFlag) &&
codepoint <= r.end)
return yes;
rangeIndex = r.next;
}
return !yes;
}
const RegexType &regex_;
Allocator *allocator_;
Allocator *ownAllocator_;
Stack<Allocator> state0_;
Stack<Allocator> state1_;
uint32_t *stateSet_;
};
typedef GenericRegex<UTF8<>> Regex;
typedef GenericRegexSearch<Regex> RegexSearch;
} // namespace internal
RAPIDJSON_NAMESPACE_END
#ifdef __GNUC__
RAPIDJSON_DIAG_POP
#endif
#if defined(__clang__) || defined(_MSC_VER)
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_INTERNAL_REGEX_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_INTERNAL_STACK_H_
#define RAPIDJSON_INTERNAL_STACK_H_
#include <cstddef>
#include "../allocators.h"
#include "swap.h"
#if defined(__clang__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(c++ 98 - compat)
#endif
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
///////////////////////////////////////////////////////////////////////////////
// Stack
//! A type-unsafe stack for storing different types of data.
/*! \tparam Allocator Allocator for allocating stack memory.
*/
template <typename Allocator>
class Stack {
public:
// Optimization note: Do not allocate memory for stack_ in constructor.
// Do it lazily when first Push() -> Expand() -> Resize().
Stack(Allocator *allocator, size_t stackCapacity)
: allocator_(allocator),
ownAllocator_(0),
stack_(0),
stackTop_(0),
stackEnd_(0),
initialCapacity_(stackCapacity) {}
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
Stack(Stack &&rhs)
: allocator_(rhs.allocator_),
ownAllocator_(rhs.ownAllocator_),
stack_(rhs.stack_),
stackTop_(rhs.stackTop_),
stackEnd_(rhs.stackEnd_),
initialCapacity_(rhs.initialCapacity_) {
rhs.allocator_ = 0;
rhs.ownAllocator_ = 0;
rhs.stack_ = 0;
rhs.stackTop_ = 0;
rhs.stackEnd_ = 0;
rhs.initialCapacity_ = 0;
}
#endif
~Stack() { Destroy(); }
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
Stack &operator=(Stack &&rhs) {
if (&rhs != this) {
Destroy();
allocator_ = rhs.allocator_;
ownAllocator_ = rhs.ownAllocator_;
stack_ = rhs.stack_;
stackTop_ = rhs.stackTop_;
stackEnd_ = rhs.stackEnd_;
initialCapacity_ = rhs.initialCapacity_;
rhs.allocator_ = 0;
rhs.ownAllocator_ = 0;
rhs.stack_ = 0;
rhs.stackTop_ = 0;
rhs.stackEnd_ = 0;
rhs.initialCapacity_ = 0;
}
return *this;
}
#endif
void Swap(Stack &rhs) RAPIDJSON_NOEXCEPT {
internal::Swap(allocator_, rhs.allocator_);
internal::Swap(ownAllocator_, rhs.ownAllocator_);
internal::Swap(stack_, rhs.stack_);
internal::Swap(stackTop_, rhs.stackTop_);
internal::Swap(stackEnd_, rhs.stackEnd_);
internal::Swap(initialCapacity_, rhs.initialCapacity_);
}
void Clear() { stackTop_ = stack_; }
void ShrinkToFit() {
if (Empty()) {
// If the stack is empty, completely deallocate the memory.
Allocator::Free(stack_); // NOLINT (+clang-analyzer-unix.Malloc)
stack_ = 0;
stackTop_ = 0;
stackEnd_ = 0;
} else
Resize(GetSize());
}
// Optimization note: try to minimize the size of this function for force
// inline. Expansion is run very infrequently, so it is moved to another
// (probably non-inline) function.
template <typename T>
RAPIDJSON_FORCEINLINE void Reserve(size_t count = 1) {
// Expand the stack if needed
if (RAPIDJSON_UNLIKELY(static_cast<std::ptrdiff_t>(sizeof(T) * count) >
(stackEnd_ - stackTop_)))
Expand<T>(count);
}
template <typename T>
RAPIDJSON_FORCEINLINE T *Push(size_t count = 1) {
Reserve<T>(count);
return PushUnsafe<T>(count);
}
template <typename T>
RAPIDJSON_FORCEINLINE T *PushUnsafe(size_t count = 1) {
RAPIDJSON_ASSERT(stackTop_);
RAPIDJSON_ASSERT(static_cast<std::ptrdiff_t>(sizeof(T) * count) <=
(stackEnd_ - stackTop_));
T *ret = reinterpret_cast<T *>(stackTop_);
stackTop_ += sizeof(T) * count;
return ret;
}
template <typename T>
T *Pop(size_t count) {
RAPIDJSON_ASSERT(GetSize() >= count * sizeof(T));
stackTop_ -= count * sizeof(T);
return reinterpret_cast<T *>(stackTop_);
}
template <typename T>
T *Top() {
RAPIDJSON_ASSERT(GetSize() >= sizeof(T));
return reinterpret_cast<T *>(stackTop_ - sizeof(T));
}
template <typename T>
const T *Top() const {
RAPIDJSON_ASSERT(GetSize() >= sizeof(T));
return reinterpret_cast<T *>(stackTop_ - sizeof(T));
}
template <typename T>
T *End() {
return reinterpret_cast<T *>(stackTop_);
}
template <typename T>
const T *End() const {
return reinterpret_cast<T *>(stackTop_);
}
template <typename T>
T *Bottom() {
return reinterpret_cast<T *>(stack_);
}
template <typename T>
const T *Bottom() const {
return reinterpret_cast<T *>(stack_);
}
bool HasAllocator() const { return allocator_ != 0; }
Allocator &GetAllocator() {
RAPIDJSON_ASSERT(allocator_);
return *allocator_;
}
bool Empty() const { return stackTop_ == stack_; }
size_t GetSize() const { return static_cast<size_t>(stackTop_ - stack_); }
size_t GetCapacity() const { return static_cast<size_t>(stackEnd_ - stack_); }
private:
template <typename T>
void Expand(size_t count) {
// Only expand the capacity if the current stack exists. Otherwise just
// create a stack with initial capacity.
size_t newCapacity;
if (stack_ == 0) {
if (!allocator_) ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)();
newCapacity = initialCapacity_;
} else {
newCapacity = GetCapacity();
newCapacity += (newCapacity + 1) / 2;
}
size_t newSize = GetSize() + sizeof(T) * count;
if (newCapacity < newSize) newCapacity = newSize;
Resize(newCapacity);
}
void Resize(size_t newCapacity) {
const size_t size = GetSize(); // Backup the current size
stack_ = static_cast<char *>(
allocator_->Realloc(stack_, GetCapacity(), newCapacity));
stackTop_ = stack_ + size;
stackEnd_ = stack_ + newCapacity;
}
void Destroy() {
Allocator::Free(stack_);
RAPIDJSON_DELETE(ownAllocator_); // Only delete if it is owned by the stack
}
// Prohibit copy constructor & assignment operator.
Stack(const Stack &);
Stack &operator=(const Stack &);
Allocator *allocator_;
Allocator *ownAllocator_;
char *stack_;
char *stackTop_;
char *stackEnd_;
size_t initialCapacity_;
};
} // namespace internal
RAPIDJSON_NAMESPACE_END
#if defined(__clang__)
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_STACK_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_INTERNAL_STRFUNC_H_
#define RAPIDJSON_INTERNAL_STRFUNC_H_
#include <cwchar>
#include "../stream.h"
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
//! Custom strlen() which works on different character types.
/*! \tparam Ch Character type (e.g. char, wchar_t, short)
\param s Null-terminated input string.
\return Number of characters in the string.
\note This has the same semantics as strlen(), the return value is not
number of Unicode codepoints.
*/
template <typename Ch>
inline SizeType StrLen(const Ch *s) {
RAPIDJSON_ASSERT(s != 0);
const Ch *p = s;
while (*p) ++p;
return SizeType(p - s);
}
template <>
inline SizeType StrLen(const char *s) {
return SizeType(std::strlen(s));
}
template <>
inline SizeType StrLen(const wchar_t *s) {
return SizeType(std::wcslen(s));
}
//! Returns number of code points in a encoded string.
template <typename Encoding>
bool CountStringCodePoint(const typename Encoding::Ch *s, SizeType length,
SizeType *outCount) {
RAPIDJSON_ASSERT(s != 0);
RAPIDJSON_ASSERT(outCount != 0);
GenericStringStream<Encoding> is(s);
const typename Encoding::Ch *end = s + length;
SizeType count = 0;
while (is.src_ < end) {
unsigned codepoint;
if (!Encoding::Decode(is, &codepoint)) return false;
count++;
}
*outCount = count;
return true;
}
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_INTERNAL_STRFUNC_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_STRTOD_
#define RAPIDJSON_STRTOD_
#include <climits>
#include <limits>
#include "biginteger.h"
#include "diyfp.h"
#include "ieee754.h"
#include "pow10.h"
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
inline double FastPath(double significand, int exp) {
if (exp < -308)
return 0.0;
else if (exp >= 0)
return significand * internal::Pow10(exp);
else
return significand / internal::Pow10(-exp);
}
inline double StrtodNormalPrecision(double d, int p) {
if (p < -308) {
// Prevent expSum < -308, making Pow10(p) = 0
d = FastPath(d, -308);
d = FastPath(d, p + 308);
} else
d = FastPath(d, p);
return d;
}
template <typename T>
inline T Min3(T a, T b, T c) {
T m = a;
if (m > b) m = b;
if (m > c) m = c;
return m;
}
inline int CheckWithinHalfULP(double b, const BigInteger &d, int dExp) {
const Double db(b);
const uint64_t bInt = db.IntegerSignificand();
const int bExp = db.IntegerExponent();
const int hExp = bExp - 1;
int dS_Exp2 = 0, dS_Exp5 = 0, bS_Exp2 = 0, bS_Exp5 = 0, hS_Exp2 = 0,
hS_Exp5 = 0;
// Adjust for decimal exponent
if (dExp >= 0) {
dS_Exp2 += dExp;
dS_Exp5 += dExp;
} else {
bS_Exp2 -= dExp;
bS_Exp5 -= dExp;
hS_Exp2 -= dExp;
hS_Exp5 -= dExp;
}
// Adjust for binary exponent
if (bExp >= 0)
bS_Exp2 += bExp;
else {
dS_Exp2 -= bExp;
hS_Exp2 -= bExp;
}
// Adjust for half ulp exponent
if (hExp >= 0)
hS_Exp2 += hExp;
else {
dS_Exp2 -= hExp;
bS_Exp2 -= hExp;
}
// Remove common power of two factor from all three scaled values
int common_Exp2 = Min3(dS_Exp2, bS_Exp2, hS_Exp2);
dS_Exp2 -= common_Exp2;
bS_Exp2 -= common_Exp2;
hS_Exp2 -= common_Exp2;
BigInteger dS = d;
dS.MultiplyPow5(static_cast<unsigned>(dS_Exp5)) <<=
static_cast<unsigned>(dS_Exp2);
BigInteger bS(bInt);
bS.MultiplyPow5(static_cast<unsigned>(bS_Exp5)) <<=
static_cast<unsigned>(bS_Exp2);
BigInteger hS(1);
hS.MultiplyPow5(static_cast<unsigned>(hS_Exp5)) <<=
static_cast<unsigned>(hS_Exp2);
BigInteger delta(0);
dS.Difference(bS, &delta);
return delta.Compare(hS);
}
inline bool StrtodFast(double d, int p, double *result) {
// Use fast path for string-to-double conversion if possible
// see
// http://www.exploringbinary.com/fast-path-decimal-to-floating-point-conversion/
if (p > 22 && p < 22 + 16) {
// Fast Path Cases In Disguise
d *= internal::Pow10(p - 22);
p = 22;
}
if (p >= -22 && p <= 22 && d <= 9007199254740991.0) { // 2^53 - 1
*result = FastPath(d, p);
return true;
} else
return false;
}
// Compute an approximation and see if it is within 1/2 ULP
inline bool StrtodDiyFp(const char *decimals, int dLen, int dExp,
double *result) {
uint64_t significand = 0;
int i = 0; // 2^64 - 1 = 18446744073709551615, 1844674407370955161 =
// 0x1999999999999999
for (; i < dLen; i++) {
if (significand > RAPIDJSON_UINT64_C2(0x19999999, 0x99999999) ||
(significand == RAPIDJSON_UINT64_C2(0x19999999, 0x99999999) &&
decimals[i] > '5'))
break;
significand = significand * 10u + static_cast<unsigned>(decimals[i] - '0');
}
if (i < dLen && decimals[i] >= '5') // Rounding
significand++;
int remaining = dLen - i;
const int kUlpShift = 3;
const int kUlp = 1 << kUlpShift;
int64_t error = (remaining == 0) ? 0 : kUlp / 2;
DiyFp v(significand, 0);
v = v.Normalize();
error <<= -v.e;
dExp += remaining;
int actualExp;
DiyFp cachedPower = GetCachedPower10(dExp, &actualExp);
if (actualExp != dExp) {
static const DiyFp kPow10[] = {
DiyFp(RAPIDJSON_UINT64_C2(0xa0000000, 0x00000000), -60), // 10^1
DiyFp(RAPIDJSON_UINT64_C2(0xc8000000, 0x00000000), -57), // 10^2
DiyFp(RAPIDJSON_UINT64_C2(0xfa000000, 0x00000000), -54), // 10^3
DiyFp(RAPIDJSON_UINT64_C2(0x9c400000, 0x00000000), -50), // 10^4
DiyFp(RAPIDJSON_UINT64_C2(0xc3500000, 0x00000000), -47), // 10^5
DiyFp(RAPIDJSON_UINT64_C2(0xf4240000, 0x00000000), -44), // 10^6
DiyFp(RAPIDJSON_UINT64_C2(0x98968000, 0x00000000), -40) // 10^7
};
int adjustment = dExp - actualExp;
RAPIDJSON_ASSERT(adjustment >= 1 && adjustment < 8);
v = v * kPow10[adjustment - 1];
if (dLen + adjustment >
19) // has more digits than decimal digits in 64-bit
error += kUlp / 2;
}
v = v * cachedPower;
error += kUlp + (error == 0 ? 0 : 1);
const int oldExp = v.e;
v = v.Normalize();
error <<= oldExp - v.e;
const int effectiveSignificandSize =
Double::EffectiveSignificandSize(64 + v.e);
int precisionSize = 64 - effectiveSignificandSize;
if (precisionSize + kUlpShift >= 64) {
int scaleExp = (precisionSize + kUlpShift) - 63;
v.f >>= scaleExp;
v.e += scaleExp;
error = (error >> scaleExp) + 1 + kUlp;
precisionSize -= scaleExp;
}
DiyFp rounded(v.f >> precisionSize, v.e + precisionSize);
const uint64_t precisionBits =
(v.f & ((uint64_t(1) << precisionSize) - 1)) * kUlp;
const uint64_t halfWay = (uint64_t(1) << (precisionSize - 1)) * kUlp;
if (precisionBits >= halfWay + static_cast<unsigned>(error)) {
rounded.f++;
if (rounded.f & (DiyFp::kDpHiddenBit
<< 1)) { // rounding overflows mantissa (issue #340)
rounded.f >>= 1;
rounded.e++;
}
}
*result = rounded.ToDouble();
return halfWay - static_cast<unsigned>(error) >= precisionBits ||
precisionBits >= halfWay + static_cast<unsigned>(error);
}
inline double StrtodBigInteger(double approx, const char *decimals, int dLen,
int dExp) {
RAPIDJSON_ASSERT(dLen >= 0);
const BigInteger dInt(decimals, static_cast<unsigned>(dLen));
Double a(approx);
int cmp = CheckWithinHalfULP(a.Value(), dInt, dExp);
if (cmp < 0)
return a.Value(); // within half ULP
else if (cmp == 0) {
// Round towards even
if (a.Significand() & 1)
return a.NextPositiveDouble();
else
return a.Value();
} else // adjustment
return a.NextPositiveDouble();
}
inline double StrtodFullPrecision(double d, int p, const char *decimals,
size_t length, size_t decimalPosition,
int exp) {
RAPIDJSON_ASSERT(d >= 0.0);
RAPIDJSON_ASSERT(length >= 1);
double result = 0.0;
if (StrtodFast(d, p, &result)) return result;
RAPIDJSON_ASSERT(length <= INT_MAX);
int dLen = static_cast<int>(length);
RAPIDJSON_ASSERT(length >= decimalPosition);
RAPIDJSON_ASSERT(length - decimalPosition <= INT_MAX);
int dExpAdjust = static_cast<int>(length - decimalPosition);
RAPIDJSON_ASSERT(exp >= INT_MIN + dExpAdjust);
int dExp = exp - dExpAdjust;
// Make sure length+dExp does not overflow
RAPIDJSON_ASSERT(dExp <= INT_MAX - dLen);
// Trim leading zeros
while (dLen > 0 && *decimals == '0') {
dLen--;
decimals++;
}
// Trim trailing zeros
while (dLen > 0 && decimals[dLen - 1] == '0') {
dLen--;
dExp++;
}
if (dLen == 0) { // Buffer only contains zeros.
return 0.0;
}
// Trim right-most digits
const int kMaxDecimalDigit = 767 + 1;
if (dLen > kMaxDecimalDigit) {
dExp += dLen - kMaxDecimalDigit;
dLen = kMaxDecimalDigit;
}
// If too small, underflow to zero.
// Any x <= 10^-324 is interpreted as zero.
if (dLen + dExp <= -324) return 0.0;
// If too large, overflow to infinity.
// Any x >= 10^309 is interpreted as +infinity.
if (dLen + dExp > 309) return std::numeric_limits<double>::infinity();
if (StrtodDiyFp(decimals, dLen, dExp, &result)) return result;
// Use approximation from StrtodDiyFp and make adjustment with BigInteger
// comparison
return StrtodBigInteger(result, decimals, dLen, dExp);
}
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_STRTOD_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_INTERNAL_SWAP_H_
#define RAPIDJSON_INTERNAL_SWAP_H_
#include "../rapidjson.h"
#if defined(__clang__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(c++ 98 - compat)
#endif
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
//! Custom swap() to avoid dependency on C++ <algorithm> header
/*! \tparam T Type of the arguments to swap, should be instantiated with
primitive C++ types only. \note This has the same semantics as std::swap().
*/
template <typename T>
inline void Swap(T &a, T &b) RAPIDJSON_NOEXCEPT {
T tmp = a;
a = b;
b = tmp;
}
} // namespace internal
RAPIDJSON_NAMESPACE_END
#if defined(__clang__)
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_INTERNAL_SWAP_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_ISTREAMWRAPPER_H_
#define RAPIDJSON_ISTREAMWRAPPER_H_
#include <ios>
#include <iosfwd>
#include "stream.h"
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
#elif defined(_MSC_VER)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(4351) // new behavior: elements of array 'array' will be
// default initialized
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Wrapper of \c std::basic_istream into RapidJSON's Stream concept.
/*!
The classes can be wrapped including but not limited to:
- \c std::istringstream
- \c std::stringstream
- \c std::wistringstream
- \c std::wstringstream
- \c std::ifstream
- \c std::fstream
- \c std::wifstream
- \c std::wfstream
\tparam StreamType Class derived from \c std::basic_istream.
*/
template <typename StreamType>
class BasicIStreamWrapper {
public:
typedef typename StreamType::char_type Ch;
//! Constructor.
/*!
\param stream stream opened for read.
*/
BasicIStreamWrapper(StreamType &stream)
: stream_(stream),
buffer_(peekBuffer_),
bufferSize_(4),
bufferLast_(0),
current_(buffer_),
readCount_(0),
count_(0),
eof_(false) {
Read();
}
//! Constructor.
/*!
\param stream stream opened for read.
\param buffer user-supplied buffer.
\param bufferSize size of buffer in bytes. Must >=4 bytes.
*/
BasicIStreamWrapper(StreamType &stream, char *buffer, size_t bufferSize)
: stream_(stream),
buffer_(buffer),
bufferSize_(bufferSize),
bufferLast_(0),
current_(buffer_),
readCount_(0),
count_(0),
eof_(false) {
RAPIDJSON_ASSERT(bufferSize >= 4);
Read();
}
Ch Peek() const { return *current_; }
Ch Take() {
Ch c = *current_;
Read();
return c;
}
size_t Tell() const {
return count_ + static_cast<size_t>(current_ - buffer_);
}
// Not implemented
void Put(Ch) { RAPIDJSON_ASSERT(false); }
void Flush() { RAPIDJSON_ASSERT(false); }
Ch *PutBegin() {
RAPIDJSON_ASSERT(false);
return 0;
}
size_t PutEnd(Ch *) {
RAPIDJSON_ASSERT(false);
return 0;
}
// For encoding detection only.
const Ch *Peek4() const {
return (current_ + 4 - !eof_ <= bufferLast_) ? current_ : 0;
}
private:
BasicIStreamWrapper();
BasicIStreamWrapper(const BasicIStreamWrapper &);
BasicIStreamWrapper &operator=(const BasicIStreamWrapper &);
void Read() {
if (current_ < bufferLast_)
++current_;
else if (!eof_) {
count_ += readCount_;
readCount_ = bufferSize_;
bufferLast_ = buffer_ + readCount_ - 1;
current_ = buffer_;
if (!stream_.read(buffer_, static_cast<std::streamsize>(bufferSize_))) {
readCount_ = static_cast<size_t>(stream_.gcount());
*(bufferLast_ = buffer_ + readCount_) = '\0';
eof_ = true;
}
}
}
StreamType &stream_;
Ch peekBuffer_[4], *buffer_;
size_t bufferSize_;
Ch *bufferLast_;
Ch *current_;
size_t readCount_;
size_t count_; //!< Number of characters read
bool eof_;
};
typedef BasicIStreamWrapper<std::istream> IStreamWrapper;
typedef BasicIStreamWrapper<std::wistream> WIStreamWrapper;
#if defined(__clang__) || defined(_MSC_VER)
RAPIDJSON_DIAG_POP
#endif
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_ISTREAMWRAPPER_H_

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Tencent is pleased to support the open source community by making RapidJSON available.
Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
If you have downloaded a copy of the RapidJSON binary from Tencent, please note that the RapidJSON binary is licensed under the MIT License.
If you have downloaded a copy of the RapidJSON source code from Tencent, please note that RapidJSON source code is licensed under the MIT License, except for the third-party components listed below which are subject to different license terms. Your integration of RapidJSON into your own projects may require compliance with the MIT License, as well as the other licenses applicable to the third-party components included within RapidJSON. To avoid the problematic JSON license in your own projects, it's sufficient to exclude the bin/jsonchecker/ directory, as it's the only code under the JSON license.
A copy of the MIT License is included in this file.
Other dependencies and licenses:
Open Source Software Licensed Under the BSD License:
--------------------------------------------------------------------
The msinttypes r29
Copyright (c) 2006-2013 Alexander Chemeris
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
* Neither the name of copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Open Source Software Licensed Under the JSON License:
--------------------------------------------------------------------
json.org
Copyright (c) 2002 JSON.org
All Rights Reserved.
JSON_checker
Copyright (c) 2002 JSON.org
All Rights Reserved.
Terms of the JSON License:
---------------------------------------------------
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
The Software shall be used for Good, not Evil.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Terms of the MIT License:
--------------------------------------------------------------------
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_MEMORYBUFFER_H_
#define RAPIDJSON_MEMORYBUFFER_H_
#include "internal/stack.h"
#include "stream.h"
RAPIDJSON_NAMESPACE_BEGIN
//! Represents an in-memory output byte stream.
/*!
This class is mainly for being wrapped by EncodedOutputStream or
AutoUTFOutputStream.
It is similar to FileWriteBuffer but the destination is an in-memory buffer
instead of a file.
Differences between MemoryBuffer and StringBuffer:
1. StringBuffer has Encoding but MemoryBuffer is only a byte buffer.
2. StringBuffer::GetString() returns a null-terminated string.
MemoryBuffer::GetBuffer() returns a buffer without terminator.
\tparam Allocator type for allocating memory buffer.
\note implements Stream concept
*/
template <typename Allocator = CrtAllocator>
struct GenericMemoryBuffer {
typedef char Ch; // byte
GenericMemoryBuffer(Allocator *allocator = 0,
size_t capacity = kDefaultCapacity)
: stack_(allocator, capacity) {}
void Put(Ch c) { *stack_.template Push<Ch>() = c; }
void Flush() {}
void Clear() { stack_.Clear(); }
void ShrinkToFit() { stack_.ShrinkToFit(); }
Ch *Push(size_t count) { return stack_.template Push<Ch>(count); }
void Pop(size_t count) { stack_.template Pop<Ch>(count); }
const Ch *GetBuffer() const { return stack_.template Bottom<Ch>(); }
size_t GetSize() const { return stack_.GetSize(); }
static const size_t kDefaultCapacity = 256;
mutable internal::Stack<Allocator> stack_;
};
typedef GenericMemoryBuffer<> MemoryBuffer;
//! Implement specialized version of PutN() with memset() for better
//! performance.
template <>
inline void PutN(MemoryBuffer &memoryBuffer, char c, size_t n) {
std::memset(memoryBuffer.stack_.Push<char>(n), c, n * sizeof(c));
}
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_MEMORYBUFFER_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_MEMORYSTREAM_H_
#define RAPIDJSON_MEMORYSTREAM_H_
#include "stream.h"
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(unreachable - code)
RAPIDJSON_DIAG_OFF(missing - noreturn)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Represents an in-memory input byte stream.
/*!
This class is mainly for being wrapped by EncodedInputStream or
AutoUTFInputStream.
It is similar to FileReadBuffer but the source is an in-memory buffer
instead of a file.
Differences between MemoryStream and StringStream:
1. StringStream has encoding but MemoryStream is a byte stream.
2. MemoryStream needs size of the source buffer and the buffer don't need to
be null terminated. StringStream assume null-terminated string as source.
3. MemoryStream supports Peek4() for encoding detection. StringStream is
specified with an encoding so it should not have Peek4(). \note implements
Stream concept
*/
struct MemoryStream {
typedef char Ch; // byte
MemoryStream(const Ch *src, size_t size)
: src_(src), begin_(src), end_(src + size), size_(size) {}
Ch Peek() const { return RAPIDJSON_UNLIKELY(src_ == end_) ? '\0' : *src_; }
Ch Take() { return RAPIDJSON_UNLIKELY(src_ == end_) ? '\0' : *src_++; }
size_t Tell() const { return static_cast<size_t>(src_ - begin_); }
Ch *PutBegin() {
RAPIDJSON_ASSERT(false);
return 0;
}
void Put(Ch) { RAPIDJSON_ASSERT(false); }
void Flush() { RAPIDJSON_ASSERT(false); }
size_t PutEnd(Ch *) {
RAPIDJSON_ASSERT(false);
return 0;
}
// For encoding detection only.
const Ch *Peek4() const { return Tell() + 4 <= size_ ? src_ : 0; }
const Ch *src_; //!< Current read position.
const Ch *begin_; //!< Original head of the string.
const Ch *end_; //!< End of stream.
size_t size_; //!< Size of the stream.
};
RAPIDJSON_NAMESPACE_END
#ifdef __clang__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_MEMORYBUFFER_H_

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// ISO C9x compliant inttypes.h for Microsoft Visual Studio
// Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124
//
// Copyright (c) 2006-2013 Alexander Chemeris
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the product nor the names of its contributors may
// be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////////
// The above software in this distribution may have been modified by
// THL A29 Limited ("Tencent Modifications").
// All Tencent Modifications are Copyright (C) 2015 THL A29 Limited.
#ifndef _MSC_VER // [
#error "Use this header only with Microsoft Visual C++ compilers!"
#endif // _MSC_VER ]
#ifndef _MSC_INTTYPES_H_ // [
#define _MSC_INTTYPES_H_
#if _MSC_VER > 1000
#pragma once
#endif
#include "stdint.h"
// miloyip: VC supports inttypes.h since VC2013
#if _MSC_VER >= 1800
#include <inttypes.h>
#else
// 7.8 Format conversion of integer types
typedef struct {
intmax_t quot;
intmax_t rem;
} imaxdiv_t;
// 7.8.1 Macros for format specifiers
#if !defined(__cplusplus) || \
defined(__STDC_FORMAT_MACROS) // [ See footnote 185 at page 198
// The fprintf macros for signed integers are:
#define PRId8 "d"
#define PRIi8 "i"
#define PRIdLEAST8 "d"
#define PRIiLEAST8 "i"
#define PRIdFAST8 "d"
#define PRIiFAST8 "i"
#define PRId16 "hd"
#define PRIi16 "hi"
#define PRIdLEAST16 "hd"
#define PRIiLEAST16 "hi"
#define PRIdFAST16 "hd"
#define PRIiFAST16 "hi"
#define PRId32 "I32d"
#define PRIi32 "I32i"
#define PRIdLEAST32 "I32d"
#define PRIiLEAST32 "I32i"
#define PRIdFAST32 "I32d"
#define PRIiFAST32 "I32i"
#define PRId64 "I64d"
#define PRIi64 "I64i"
#define PRIdLEAST64 "I64d"
#define PRIiLEAST64 "I64i"
#define PRIdFAST64 "I64d"
#define PRIiFAST64 "I64i"
#define PRIdMAX "I64d"
#define PRIiMAX "I64i"
#define PRIdPTR "Id"
#define PRIiPTR "Ii"
// The fprintf macros for unsigned integers are:
#define PRIo8 "o"
#define PRIu8 "u"
#define PRIx8 "x"
#define PRIX8 "X"
#define PRIoLEAST8 "o"
#define PRIuLEAST8 "u"
#define PRIxLEAST8 "x"
#define PRIXLEAST8 "X"
#define PRIoFAST8 "o"
#define PRIuFAST8 "u"
#define PRIxFAST8 "x"
#define PRIXFAST8 "X"
#define PRIo16 "ho"
#define PRIu16 "hu"
#define PRIx16 "hx"
#define PRIX16 "hX"
#define PRIoLEAST16 "ho"
#define PRIuLEAST16 "hu"
#define PRIxLEAST16 "hx"
#define PRIXLEAST16 "hX"
#define PRIoFAST16 "ho"
#define PRIuFAST16 "hu"
#define PRIxFAST16 "hx"
#define PRIXFAST16 "hX"
#define PRIo32 "I32o"
#define PRIu32 "I32u"
#define PRIx32 "I32x"
#define PRIX32 "I32X"
#define PRIoLEAST32 "I32o"
#define PRIuLEAST32 "I32u"
#define PRIxLEAST32 "I32x"
#define PRIXLEAST32 "I32X"
#define PRIoFAST32 "I32o"
#define PRIuFAST32 "I32u"
#define PRIxFAST32 "I32x"
#define PRIXFAST32 "I32X"
#define PRIo64 "I64o"
#define PRIu64 "I64u"
#define PRIx64 "I64x"
#define PRIX64 "I64X"
#define PRIoLEAST64 "I64o"
#define PRIuLEAST64 "I64u"
#define PRIxLEAST64 "I64x"
#define PRIXLEAST64 "I64X"
#define PRIoFAST64 "I64o"
#define PRIuFAST64 "I64u"
#define PRIxFAST64 "I64x"
#define PRIXFAST64 "I64X"
#define PRIoMAX "I64o"
#define PRIuMAX "I64u"
#define PRIxMAX "I64x"
#define PRIXMAX "I64X"
#define PRIoPTR "Io"
#define PRIuPTR "Iu"
#define PRIxPTR "Ix"
#define PRIXPTR "IX"
// The fscanf macros for signed integers are:
#define SCNd8 "d"
#define SCNi8 "i"
#define SCNdLEAST8 "d"
#define SCNiLEAST8 "i"
#define SCNdFAST8 "d"
#define SCNiFAST8 "i"
#define SCNd16 "hd"
#define SCNi16 "hi"
#define SCNdLEAST16 "hd"
#define SCNiLEAST16 "hi"
#define SCNdFAST16 "hd"
#define SCNiFAST16 "hi"
#define SCNd32 "ld"
#define SCNi32 "li"
#define SCNdLEAST32 "ld"
#define SCNiLEAST32 "li"
#define SCNdFAST32 "ld"
#define SCNiFAST32 "li"
#define SCNd64 "I64d"
#define SCNi64 "I64i"
#define SCNdLEAST64 "I64d"
#define SCNiLEAST64 "I64i"
#define SCNdFAST64 "I64d"
#define SCNiFAST64 "I64i"
#define SCNdMAX "I64d"
#define SCNiMAX "I64i"
#ifdef _WIN64 // [
#define SCNdPTR "I64d"
#define SCNiPTR "I64i"
#else // _WIN64 ][
#define SCNdPTR "ld"
#define SCNiPTR "li"
#endif // _WIN64 ]
// The fscanf macros for unsigned integers are:
#define SCNo8 "o"
#define SCNu8 "u"
#define SCNx8 "x"
#define SCNX8 "X"
#define SCNoLEAST8 "o"
#define SCNuLEAST8 "u"
#define SCNxLEAST8 "x"
#define SCNXLEAST8 "X"
#define SCNoFAST8 "o"
#define SCNuFAST8 "u"
#define SCNxFAST8 "x"
#define SCNXFAST8 "X"
#define SCNo16 "ho"
#define SCNu16 "hu"
#define SCNx16 "hx"
#define SCNX16 "hX"
#define SCNoLEAST16 "ho"
#define SCNuLEAST16 "hu"
#define SCNxLEAST16 "hx"
#define SCNXLEAST16 "hX"
#define SCNoFAST16 "ho"
#define SCNuFAST16 "hu"
#define SCNxFAST16 "hx"
#define SCNXFAST16 "hX"
#define SCNo32 "lo"
#define SCNu32 "lu"
#define SCNx32 "lx"
#define SCNX32 "lX"
#define SCNoLEAST32 "lo"
#define SCNuLEAST32 "lu"
#define SCNxLEAST32 "lx"
#define SCNXLEAST32 "lX"
#define SCNoFAST32 "lo"
#define SCNuFAST32 "lu"
#define SCNxFAST32 "lx"
#define SCNXFAST32 "lX"
#define SCNo64 "I64o"
#define SCNu64 "I64u"
#define SCNx64 "I64x"
#define SCNX64 "I64X"
#define SCNoLEAST64 "I64o"
#define SCNuLEAST64 "I64u"
#define SCNxLEAST64 "I64x"
#define SCNXLEAST64 "I64X"
#define SCNoFAST64 "I64o"
#define SCNuFAST64 "I64u"
#define SCNxFAST64 "I64x"
#define SCNXFAST64 "I64X"
#define SCNoMAX "I64o"
#define SCNuMAX "I64u"
#define SCNxMAX "I64x"
#define SCNXMAX "I64X"
#ifdef _WIN64 // [
#define SCNoPTR "I64o"
#define SCNuPTR "I64u"
#define SCNxPTR "I64x"
#define SCNXPTR "I64X"
#else // _WIN64 ][
#define SCNoPTR "lo"
#define SCNuPTR "lu"
#define SCNxPTR "lx"
#define SCNXPTR "lX"
#endif // _WIN64 ]
#endif // __STDC_FORMAT_MACROS ]
// 7.8.2 Functions for greatest-width integer types
// 7.8.2.1 The imaxabs function
#define imaxabs _abs64
// 7.8.2.2 The imaxdiv function
// This is modified version of div() function from Microsoft's div.c found
// in %MSVC.NET%\crt\src\div.c
#ifdef STATIC_IMAXDIV // [
static
#else // STATIC_IMAXDIV ][
_inline
#endif // STATIC_IMAXDIV ]
imaxdiv_t __cdecl imaxdiv(intmax_t numer, intmax_t denom) {
imaxdiv_t result;
result.quot = numer / denom;
result.rem = numer % denom;
if (numer < 0 && result.rem > 0) {
// did division wrong; must fix up
++result.quot;
result.rem -= denom;
}
return result;
}
// 7.8.2.3 The strtoimax and strtoumax functions
#define strtoimax _strtoi64
#define strtoumax _strtoui64
// 7.8.2.4 The wcstoimax and wcstoumax functions
#define wcstoimax _wcstoi64
#define wcstoumax _wcstoui64
#endif // _MSC_VER >= 1800
#endif // _MSC_INTTYPES_H_ ]

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@@ -0,0 +1,301 @@
// ISO C9x compliant stdint.h for Microsoft Visual Studio
// Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124
//
// Copyright (c) 2006-2013 Alexander Chemeris
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the product nor the names of its contributors may
// be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////////
// The above software in this distribution may have been modified by
// THL A29 Limited ("Tencent Modifications").
// All Tencent Modifications are Copyright (C) 2015 THL A29 Limited.
#ifndef _MSC_VER // [
#error "Use this header only with Microsoft Visual C++ compilers!"
#endif // _MSC_VER ]
#ifndef _MSC_STDINT_H_ // [
#define _MSC_STDINT_H_
#if _MSC_VER > 1000
#pragma once
#endif
// miloyip: Originally Visual Studio 2010 uses its own stdint.h. However it
// generates warning with INT64_C(), so change to use this file for vs2010.
#if _MSC_VER >= 1600 // [
#include <stdint.h>
#if !defined(__cplusplus) || \
defined(__STDC_CONSTANT_MACROS) // [ See footnote 224 at page 260
#undef INT8_C
#undef INT16_C
#undef INT32_C
#undef INT64_C
#undef UINT8_C
#undef UINT16_C
#undef UINT32_C
#undef UINT64_C
// 7.18.4.1 Macros for minimum-width integer constants
#define INT8_C(val) val##i8
#define INT16_C(val) val##i16
#define INT32_C(val) val##i32
#define INT64_C(val) val##i64
#define UINT8_C(val) val##ui8
#define UINT16_C(val) val##ui16
#define UINT32_C(val) val##ui32
#define UINT64_C(val) val##ui64
// 7.18.4.2 Macros for greatest-width integer constants
// These #ifndef's are needed to prevent collisions with <boost/cstdint.hpp>.
// Check out Issue 9 for the details.
#ifndef INTMAX_C // [
#define INTMAX_C INT64_C
#endif // INTMAX_C ]
#ifndef UINTMAX_C // [
#define UINTMAX_C UINT64_C
#endif // UINTMAX_C ]
#endif // __STDC_CONSTANT_MACROS ]
#else // ] _MSC_VER >= 1700 [
#include <limits.h>
// For Visual Studio 6 in C++ mode and for many Visual Studio versions when
// compiling for ARM we have to wrap <wchar.h> include with 'extern "C++" {}'
// or compiler would give many errors like this:
// error C2733: second C linkage of overloaded function 'wmemchr' not allowed
#if defined(__cplusplus) && !defined(_M_ARM)
extern "C" {
#endif
#include <wchar.h>
#if defined(__cplusplus) && !defined(_M_ARM)
}
#endif
// Define _W64 macros to mark types changing their size, like intptr_t.
#ifndef _W64
#if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
#define _W64 __w64
#else
#define _W64
#endif
#endif
// 7.18.1 Integer types
// 7.18.1.1 Exact-width integer types
// Visual Studio 6 and Embedded Visual C++ 4 doesn't
// realize that, e.g. char has the same size as __int8
// so we give up on __intX for them.
#if (_MSC_VER < 1300)
typedef signed char int8_t;
typedef signed short int16_t;
typedef signed int int32_t;
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
#else
typedef signed __int8 int8_t;
typedef signed __int16 int16_t;
typedef signed __int32 int32_t;
typedef unsigned __int8 uint8_t;
typedef unsigned __int16 uint16_t;
typedef unsigned __int32 uint32_t;
#endif
typedef signed __int64 int64_t;
typedef unsigned __int64 uint64_t;
// 7.18.1.2 Minimum-width integer types
typedef int8_t int_least8_t;
typedef int16_t int_least16_t;
typedef int32_t int_least32_t;
typedef int64_t int_least64_t;
typedef uint8_t uint_least8_t;
typedef uint16_t uint_least16_t;
typedef uint32_t uint_least32_t;
typedef uint64_t uint_least64_t;
// 7.18.1.3 Fastest minimum-width integer types
typedef int8_t int_fast8_t;
typedef int16_t int_fast16_t;
typedef int32_t int_fast32_t;
typedef int64_t int_fast64_t;
typedef uint8_t uint_fast8_t;
typedef uint16_t uint_fast16_t;
typedef uint32_t uint_fast32_t;
typedef uint64_t uint_fast64_t;
// 7.18.1.4 Integer types capable of holding object pointers
#ifdef _WIN64 // [
typedef signed __int64 intptr_t;
typedef unsigned __int64 uintptr_t;
#else // _WIN64 ][
typedef _W64 signed int intptr_t;
typedef _W64 unsigned int uintptr_t;
#endif // _WIN64 ]
// 7.18.1.5 Greatest-width integer types
typedef int64_t intmax_t;
typedef uint64_t uintmax_t;
// 7.18.2 Limits of specified-width integer types
#if !defined(__cplusplus) || \
defined(__STDC_LIMIT_MACROS) // [ See footnote 220 at page 257 and
// footnote 221 at page 259
// 7.18.2.1 Limits of exact-width integer types
#define INT8_MIN ((int8_t)_I8_MIN)
#define INT8_MAX _I8_MAX
#define INT16_MIN ((int16_t)_I16_MIN)
#define INT16_MAX _I16_MAX
#define INT32_MIN ((int32_t)_I32_MIN)
#define INT32_MAX _I32_MAX
#define INT64_MIN ((int64_t)_I64_MIN)
#define INT64_MAX _I64_MAX
#define UINT8_MAX _UI8_MAX
#define UINT16_MAX _UI16_MAX
#define UINT32_MAX _UI32_MAX
#define UINT64_MAX _UI64_MAX
// 7.18.2.2 Limits of minimum-width integer types
#define INT_LEAST8_MIN INT8_MIN
#define INT_LEAST8_MAX INT8_MAX
#define INT_LEAST16_MIN INT16_MIN
#define INT_LEAST16_MAX INT16_MAX
#define INT_LEAST32_MIN INT32_MIN
#define INT_LEAST32_MAX INT32_MAX
#define INT_LEAST64_MIN INT64_MIN
#define INT_LEAST64_MAX INT64_MAX
#define UINT_LEAST8_MAX UINT8_MAX
#define UINT_LEAST16_MAX UINT16_MAX
#define UINT_LEAST32_MAX UINT32_MAX
#define UINT_LEAST64_MAX UINT64_MAX
// 7.18.2.3 Limits of fastest minimum-width integer types
#define INT_FAST8_MIN INT8_MIN
#define INT_FAST8_MAX INT8_MAX
#define INT_FAST16_MIN INT16_MIN
#define INT_FAST16_MAX INT16_MAX
#define INT_FAST32_MIN INT32_MIN
#define INT_FAST32_MAX INT32_MAX
#define INT_FAST64_MIN INT64_MIN
#define INT_FAST64_MAX INT64_MAX
#define UINT_FAST8_MAX UINT8_MAX
#define UINT_FAST16_MAX UINT16_MAX
#define UINT_FAST32_MAX UINT32_MAX
#define UINT_FAST64_MAX UINT64_MAX
// 7.18.2.4 Limits of integer types capable of holding object pointers
#ifdef _WIN64 // [
#define INTPTR_MIN INT64_MIN
#define INTPTR_MAX INT64_MAX
#define UINTPTR_MAX UINT64_MAX
#else // _WIN64 ][
#define INTPTR_MIN INT32_MIN
#define INTPTR_MAX INT32_MAX
#define UINTPTR_MAX UINT32_MAX
#endif // _WIN64 ]
// 7.18.2.5 Limits of greatest-width integer types
#define INTMAX_MIN INT64_MIN
#define INTMAX_MAX INT64_MAX
#define UINTMAX_MAX UINT64_MAX
// 7.18.3 Limits of other integer types
#ifdef _WIN64 // [
#define PTRDIFF_MIN _I64_MIN
#define PTRDIFF_MAX _I64_MAX
#else // _WIN64 ][
#define PTRDIFF_MIN _I32_MIN
#define PTRDIFF_MAX _I32_MAX
#endif // _WIN64 ]
#define SIG_ATOMIC_MIN INT_MIN
#define SIG_ATOMIC_MAX INT_MAX
#ifndef SIZE_MAX // [
#ifdef _WIN64 // [
#define SIZE_MAX _UI64_MAX
#else // _WIN64 ][
#define SIZE_MAX _UI32_MAX
#endif // _WIN64 ]
#endif // SIZE_MAX ]
// WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h>
#ifndef WCHAR_MIN // [
#define WCHAR_MIN 0
#endif // WCHAR_MIN ]
#ifndef WCHAR_MAX // [
#define WCHAR_MAX _UI16_MAX
#endif // WCHAR_MAX ]
#define WINT_MIN 0
#define WINT_MAX _UI16_MAX
#endif // __STDC_LIMIT_MACROS ]
// 7.18.4 Limits of other integer types
#if !defined(__cplusplus) || \
defined(__STDC_CONSTANT_MACROS) // [ See footnote 224 at page 260
// 7.18.4.1 Macros for minimum-width integer constants
#define INT8_C(val) val##i8
#define INT16_C(val) val##i16
#define INT32_C(val) val##i32
#define INT64_C(val) val##i64
#define UINT8_C(val) val##ui8
#define UINT16_C(val) val##ui16
#define UINT32_C(val) val##ui32
#define UINT64_C(val) val##ui64
// 7.18.4.2 Macros for greatest-width integer constants
// These #ifndef's are needed to prevent collisions with <boost/cstdint.hpp>.
// Check out Issue 9 for the details.
#ifndef INTMAX_C // [
#define INTMAX_C INT64_C
#endif // INTMAX_C ]
#ifndef UINTMAX_C // [
#define UINTMAX_C UINT64_C
#endif // UINTMAX_C ]
#endif // __STDC_CONSTANT_MACROS ]
#endif // _MSC_VER >= 1600 ]
#endif // _MSC_STDINT_H_ ]

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_OSTREAMWRAPPER_H_
#define RAPIDJSON_OSTREAMWRAPPER_H_
#include <iosfwd>
#include "stream.h"
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Wrapper of \c std::basic_ostream into RapidJSON's Stream concept.
/*!
The classes can be wrapped including but not limited to:
- \c std::ostringstream
- \c std::stringstream
- \c std::wpstringstream
- \c std::wstringstream
- \c std::ifstream
- \c std::fstream
- \c std::wofstream
- \c std::wfstream
\tparam StreamType Class derived from \c std::basic_ostream.
*/
template <typename StreamType>
class BasicOStreamWrapper {
public:
typedef typename StreamType::char_type Ch;
BasicOStreamWrapper(StreamType &stream) : stream_(stream) {}
void Put(Ch c) { stream_.put(c); }
void Flush() { stream_.flush(); }
// Not implemented
char Peek() const {
RAPIDJSON_ASSERT(false);
return 0;
}
char Take() {
RAPIDJSON_ASSERT(false);
return 0;
}
size_t Tell() const {
RAPIDJSON_ASSERT(false);
return 0;
}
char *PutBegin() {
RAPIDJSON_ASSERT(false);
return 0;
}
size_t PutEnd(char *) {
RAPIDJSON_ASSERT(false);
return 0;
}
private:
BasicOStreamWrapper(const BasicOStreamWrapper &);
BasicOStreamWrapper &operator=(const BasicOStreamWrapper &);
StreamType &stream_;
};
typedef BasicOStreamWrapper<std::ostream> OStreamWrapper;
typedef BasicOStreamWrapper<std::wostream> WOStreamWrapper;
#ifdef __clang__
RAPIDJSON_DIAG_POP
#endif
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_OSTREAMWRAPPER_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_PRETTYWRITER_H_
#define RAPIDJSON_PRETTYWRITER_H_
#include "writer.h"
#ifdef __GNUC__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
#endif
#if defined(__clang__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(c++ 98 - compat)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Combination of PrettyWriter format flags.
/*! \see PrettyWriter::SetFormatOptions
*/
enum PrettyFormatOptions {
kFormatDefault = 0, //!< Default pretty formatting.
kFormatSingleLineArray = 1 //!< Format arrays on a single line.
};
//! Writer with indentation and spacing.
/*!
\tparam OutputStream Type of output os.
\tparam SourceEncoding Encoding of source string.
\tparam TargetEncoding Encoding of output stream.
\tparam StackAllocator Type of allocator for allocating memory of stack.
*/
template <typename OutputStream, typename SourceEncoding = UTF8<>,
typename TargetEncoding = UTF8<>,
typename StackAllocator = CrtAllocator,
unsigned writeFlags = kWriteDefaultFlags>
class PrettyWriter : public Writer<OutputStream, SourceEncoding, TargetEncoding,
StackAllocator, writeFlags> {
public:
typedef Writer<OutputStream, SourceEncoding, TargetEncoding, StackAllocator,
writeFlags>
Base;
typedef typename Base::Ch Ch;
//! Constructor
/*! \param os Output stream.
\param allocator User supplied allocator. If it is null, it will create a
private one. \param levelDepth Initial capacity of stack.
*/
explicit PrettyWriter(OutputStream &os, StackAllocator *allocator = 0,
size_t levelDepth = Base::kDefaultLevelDepth)
: Base(os, allocator, levelDepth),
indentChar_(' '),
indentCharCount_(4),
formatOptions_(kFormatDefault) {}
explicit PrettyWriter(StackAllocator *allocator = 0,
size_t levelDepth = Base::kDefaultLevelDepth)
: Base(allocator, levelDepth), indentChar_(' '), indentCharCount_(4) {}
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
PrettyWriter(PrettyWriter &&rhs)
: Base(std::forward<PrettyWriter>(rhs)),
indentChar_(rhs.indentChar_),
indentCharCount_(rhs.indentCharCount_),
formatOptions_(rhs.formatOptions_) {}
#endif
//! Set custom indentation.
/*! \param indentChar Character for indentation. Must be whitespace
character (' ', '\\t', '\\n', '\\r'). \param indentCharCount Number of
indent characters for each indentation level. \note The default indentation
is 4 spaces.
*/
PrettyWriter &SetIndent(Ch indentChar, unsigned indentCharCount) {
RAPIDJSON_ASSERT(indentChar == ' ' || indentChar == '\t' ||
indentChar == '\n' || indentChar == '\r');
indentChar_ = indentChar;
indentCharCount_ = indentCharCount;
return *this;
}
//! Set pretty writer formatting options.
/*! \param options Formatting options.
*/
PrettyWriter &SetFormatOptions(PrettyFormatOptions options) {
formatOptions_ = options;
return *this;
}
/*! @name Implementation of Handler
\see Handler
*/
//@{
bool Null() {
PrettyPrefix(kNullType);
return Base::EndValue(Base::WriteNull());
}
bool Bool(bool b) {
PrettyPrefix(b ? kTrueType : kFalseType);
return Base::EndValue(Base::WriteBool(b));
}
bool Int(int i) {
PrettyPrefix(kNumberType);
return Base::EndValue(Base::WriteInt(i));
}
bool Uint(unsigned u) {
PrettyPrefix(kNumberType);
return Base::EndValue(Base::WriteUint(u));
}
bool Int64(int64_t i64) {
PrettyPrefix(kNumberType);
return Base::EndValue(Base::WriteInt64(i64));
}
bool Uint64(uint64_t u64) {
PrettyPrefix(kNumberType);
return Base::EndValue(Base::WriteUint64(u64));
}
bool Double(double d) {
PrettyPrefix(kNumberType);
return Base::EndValue(Base::WriteDouble(d));
}
bool RawNumber(const Ch *str, SizeType length, bool copy = false) {
RAPIDJSON_ASSERT(str != 0);
(void)copy;
PrettyPrefix(kNumberType);
return Base::EndValue(Base::WriteString(str, length));
}
bool String(const Ch *str, SizeType length, bool copy = false) {
RAPIDJSON_ASSERT(str != 0);
(void)copy;
PrettyPrefix(kStringType);
return Base::EndValue(Base::WriteString(str, length));
}
#if RAPIDJSON_HAS_STDSTRING
bool String(const std::basic_string<Ch> &str) {
return String(str.data(), SizeType(str.size()));
}
#endif
bool StartObject() {
PrettyPrefix(kObjectType);
new (Base::level_stack_.template Push<typename Base::Level>())
typename Base::Level(false);
return Base::WriteStartObject();
}
bool Key(const Ch *str, SizeType length, bool copy = false) {
return String(str, length, copy);
}
#if RAPIDJSON_HAS_STDSTRING
bool Key(const std::basic_string<Ch> &str) {
return Key(str.data(), SizeType(str.size()));
}
#endif
bool EndObject(SizeType memberCount = 0) {
(void)memberCount;
RAPIDJSON_ASSERT(Base::level_stack_.GetSize() >=
sizeof(typename Base::Level)); // not inside an Object
RAPIDJSON_ASSERT(!Base::level_stack_.template Top<typename Base::Level>()
->inArray); // currently inside an Array, not Object
RAPIDJSON_ASSERT(
0 ==
Base::level_stack_.template Top<typename Base::Level>()->valueCount %
2); // Object has a Key without a Value
bool empty =
Base::level_stack_.template Pop<typename Base::Level>(1)->valueCount ==
0;
if (!empty) {
Base::os_->Put('\n');
WriteIndent();
}
bool ret = Base::EndValue(Base::WriteEndObject());
(void)ret;
RAPIDJSON_ASSERT(ret == true);
if (Base::level_stack_.Empty()) // end of json text
Base::Flush();
return true;
}
bool StartArray() {
PrettyPrefix(kArrayType);
new (Base::level_stack_.template Push<typename Base::Level>())
typename Base::Level(true);
return Base::WriteStartArray();
}
bool EndArray(SizeType memberCount = 0) {
(void)memberCount;
RAPIDJSON_ASSERT(Base::level_stack_.GetSize() >=
sizeof(typename Base::Level));
RAPIDJSON_ASSERT(
Base::level_stack_.template Top<typename Base::Level>()->inArray);
bool empty =
Base::level_stack_.template Pop<typename Base::Level>(1)->valueCount ==
0;
if (!empty && !(formatOptions_ & kFormatSingleLineArray)) {
Base::os_->Put('\n');
WriteIndent();
}
bool ret = Base::EndValue(Base::WriteEndArray());
(void)ret;
RAPIDJSON_ASSERT(ret == true);
if (Base::level_stack_.Empty()) // end of json text
Base::Flush();
return true;
}
//@}
/*! @name Convenience extensions */
//@{
//! Simpler but slower overload.
bool String(const Ch *str) { return String(str, internal::StrLen(str)); }
bool Key(const Ch *str) { return Key(str, internal::StrLen(str)); }
//@}
//! Write a raw JSON value.
/*!
For user to write a stringified JSON as a value.
\param json A well-formed JSON value. It should not contain null character
within [0, length - 1] range. \param length Length of the json. \param type
Type of the root of json. \note When using PrettyWriter::RawValue(), the
result json may not be indented correctly.
*/
bool RawValue(const Ch *json, size_t length, Type type) {
RAPIDJSON_ASSERT(json != 0);
PrettyPrefix(type);
return Base::EndValue(Base::WriteRawValue(json, length));
}
protected:
void PrettyPrefix(Type type) {
(void)type;
if (Base::level_stack_.GetSize() != 0) { // this value is not at root
typename Base::Level *level =
Base::level_stack_.template Top<typename Base::Level>();
if (level->inArray) {
if (level->valueCount > 0) {
Base::os_->Put(
','); // add comma if it is not the first element in array
if (formatOptions_ & kFormatSingleLineArray) Base::os_->Put(' ');
}
if (!(formatOptions_ & kFormatSingleLineArray)) {
Base::os_->Put('\n');
WriteIndent();
}
} else { // in object
if (level->valueCount > 0) {
if (level->valueCount % 2 == 0) {
Base::os_->Put(',');
Base::os_->Put('\n');
} else {
Base::os_->Put(':');
Base::os_->Put(' ');
}
} else
Base::os_->Put('\n');
if (level->valueCount % 2 == 0) WriteIndent();
}
if (!level->inArray && level->valueCount % 2 == 0)
RAPIDJSON_ASSERT(type == kStringType); // if it's in object, then even
// number should be a name
level->valueCount++;
} else {
RAPIDJSON_ASSERT(
!Base::hasRoot_); // Should only has one and only one root.
Base::hasRoot_ = true;
}
}
void WriteIndent() {
size_t count =
(Base::level_stack_.GetSize() / sizeof(typename Base::Level)) *
indentCharCount_;
PutN(*Base::os_, static_cast<typename OutputStream::Ch>(indentChar_),
count);
}
Ch indentChar_;
unsigned indentCharCount_;
PrettyFormatOptions formatOptions_;
private:
// Prohibit copy constructor & assignment operator.
PrettyWriter(const PrettyWriter &);
PrettyWriter &operator=(const PrettyWriter &);
};
RAPIDJSON_NAMESPACE_END
#if defined(__clang__)
RAPIDJSON_DIAG_POP
#endif
#ifdef __GNUC__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_RAPIDJSON_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_RAPIDJSON_H_
#define RAPIDJSON_RAPIDJSON_H_
/*!\file rapidjson.h
\brief common definitions and configuration
\see RAPIDJSON_CONFIG
*/
/*! \defgroup RAPIDJSON_CONFIG RapidJSON configuration
\brief Configuration macros for library features
Some RapidJSON features are configurable to adapt the library to a wide
variety of platforms, environments and usage scenarios. Most of the
features can be configured in terms of overridden or predefined
preprocessor macros at compile-time.
Some additional customization is available in the \ref RAPIDJSON_ERRORS
APIs.
\note These macros should be given on the compiler command-line
(where applicable) to avoid inconsistent values when compiling
different translation units of a single application.
*/
#include <cstdlib> // malloc(), realloc(), free(), size_t
#include <cstring> // memset(), memcpy(), memmove(), memcmp()
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_VERSION_STRING
//
// ALWAYS synchronize the following 3 macros with corresponding variables in
// /CMakeLists.txt.
//
//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
// token stringification
#define RAPIDJSON_STRINGIFY(x) RAPIDJSON_DO_STRINGIFY(x)
#define RAPIDJSON_DO_STRINGIFY(x) #x
// token concatenation
#define RAPIDJSON_JOIN(X, Y) RAPIDJSON_DO_JOIN(X, Y)
#define RAPIDJSON_DO_JOIN(X, Y) RAPIDJSON_DO_JOIN2(X, Y)
#define RAPIDJSON_DO_JOIN2(X, Y) X##Y
//!@endcond
/*! \def RAPIDJSON_MAJOR_VERSION
\ingroup RAPIDJSON_CONFIG
\brief Major version of RapidJSON in integer.
*/
/*! \def RAPIDJSON_MINOR_VERSION
\ingroup RAPIDJSON_CONFIG
\brief Minor version of RapidJSON in integer.
*/
/*! \def RAPIDJSON_PATCH_VERSION
\ingroup RAPIDJSON_CONFIG
\brief Patch version of RapidJSON in integer.
*/
/*! \def RAPIDJSON_VERSION_STRING
\ingroup RAPIDJSON_CONFIG
\brief Version of RapidJSON in "<major>.<minor>.<patch>" string format.
*/
#define RAPIDJSON_MAJOR_VERSION 1
#define RAPIDJSON_MINOR_VERSION 1
#define RAPIDJSON_PATCH_VERSION 0
#define RAPIDJSON_VERSION_STRING \
RAPIDJSON_STRINGIFY( \
RAPIDJSON_MAJOR_VERSION.RAPIDJSON_MINOR_VERSION.RAPIDJSON_PATCH_VERSION)
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_NAMESPACE_(BEGIN|END)
/*! \def RAPIDJSON_NAMESPACE
\ingroup RAPIDJSON_CONFIG
\brief provide custom rapidjson namespace
In order to avoid symbol clashes and/or "One Definition Rule" errors
between multiple inclusions of (different versions of) RapidJSON in
a single binary, users can customize the name of the main RapidJSON
namespace.
In case of a single nesting level, defining \c RAPIDJSON_NAMESPACE
to a custom name (e.g. \c MyRapidJSON) is sufficient. If multiple
levels are needed, both \ref RAPIDJSON_NAMESPACE_BEGIN and \ref
RAPIDJSON_NAMESPACE_END need to be defined as well:
\code
// in some .cpp file
#define RAPIDJSON_NAMESPACE my::rapidjson
#define RAPIDJSON_NAMESPACE_BEGIN namespace my { namespace rapidjson {
#define RAPIDJSON_NAMESPACE_END } }
#include "rapidjson/..."
\endcode
\see rapidjson
*/
/*! \def RAPIDJSON_NAMESPACE_BEGIN
\ingroup RAPIDJSON_CONFIG
\brief provide custom rapidjson namespace (opening expression)
\see RAPIDJSON_NAMESPACE
*/
/*! \def RAPIDJSON_NAMESPACE_END
\ingroup RAPIDJSON_CONFIG
\brief provide custom rapidjson namespace (closing expression)
\see RAPIDJSON_NAMESPACE
*/
#ifndef RAPIDJSON_NAMESPACE
#define RAPIDJSON_NAMESPACE rapidjson
#endif
#ifndef RAPIDJSON_NAMESPACE_BEGIN
#define RAPIDJSON_NAMESPACE_BEGIN namespace RAPIDJSON_NAMESPACE {
#endif
#ifndef RAPIDJSON_NAMESPACE_END
#define RAPIDJSON_NAMESPACE_END }
#endif
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_HAS_STDSTRING
#ifndef RAPIDJSON_HAS_STDSTRING
#ifdef RAPIDJSON_DOXYGEN_RUNNING
#define RAPIDJSON_HAS_STDSTRING 1 // force generation of documentation
#else
#define RAPIDJSON_HAS_STDSTRING 0 // no std::string support by default
#endif
/*! \def RAPIDJSON_HAS_STDSTRING
\ingroup RAPIDJSON_CONFIG
\brief Enable RapidJSON support for \c std::string
By defining this preprocessor symbol to \c 1, several convenience functions
for using \ref rapidjson::GenericValue with \c std::string are enabled,
especially for construction and comparison.
\hideinitializer
*/
#endif // !defined(RAPIDJSON_HAS_STDSTRING)
#if RAPIDJSON_HAS_STDSTRING
#include <string>
#endif // RAPIDJSON_HAS_STDSTRING
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_NO_INT64DEFINE
/*! \def RAPIDJSON_NO_INT64DEFINE
\ingroup RAPIDJSON_CONFIG
\brief Use external 64-bit integer types.
RapidJSON requires the 64-bit integer types \c int64_t and \c uint64_t
types to be available at global scope.
If users have their own definition, define RAPIDJSON_NO_INT64DEFINE to
prevent RapidJSON from defining its own types.
*/
#ifndef RAPIDJSON_NO_INT64DEFINE
//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
#if defined(_MSC_VER) && (_MSC_VER < 1800) // Visual Studio 2013
#include "msinttypes/inttypes.h"
#include "msinttypes/stdint.h"
#else
// Other compilers should have this.
#include <inttypes.h>
#include <stdint.h>
#endif
//!@endcond
#ifdef RAPIDJSON_DOXYGEN_RUNNING
#define RAPIDJSON_NO_INT64DEFINE
#endif
#endif // RAPIDJSON_NO_INT64TYPEDEF
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_FORCEINLINE
#ifndef RAPIDJSON_FORCEINLINE
//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
#if defined(_MSC_VER) && defined(NDEBUG)
#define RAPIDJSON_FORCEINLINE __forceinline
#elif defined(__GNUC__) && __GNUC__ >= 4 && defined(NDEBUG)
#define RAPIDJSON_FORCEINLINE __attribute__((always_inline))
#else
#define RAPIDJSON_FORCEINLINE
#endif
//!@endcond
#endif // RAPIDJSON_FORCEINLINE
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_ENDIAN
#define RAPIDJSON_LITTLEENDIAN 0 //!< Little endian machine
#define RAPIDJSON_BIGENDIAN 1 //!< Big endian machine
//! Endianness of the machine.
/*!
\def RAPIDJSON_ENDIAN
\ingroup RAPIDJSON_CONFIG
GCC 4.6 provided macro for detecting endianness of the target machine. But
other compilers may not have this. User can define RAPIDJSON_ENDIAN to either
\ref RAPIDJSON_LITTLEENDIAN or \ref RAPIDJSON_BIGENDIAN.
Default detection implemented with reference to
\li
https://gcc.gnu.org/onlinedocs/gcc-4.6.0/cpp/Common-Predefined-Macros.html
\li http://www.boost.org/doc/libs/1_42_0/boost/detail/endian.hpp
*/
#ifndef RAPIDJSON_ENDIAN
// Detect with GCC 4.6's macro
#ifdef __BYTE_ORDER__
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
#else
# error Unknown machine endianness detected. User needs to define RAPIDJSON_ENDIAN.
#endif // __BYTE_ORDER__
// Detect with GLIBC's endian.h
#elif defined(__GLIBC__)
#include <endian.h>
#if (__BYTE_ORDER == __LITTLE_ENDIAN)
#define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
#elif (__BYTE_ORDER == __BIG_ENDIAN)
#define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
#else
# error Unknown machine endianness detected. User needs to define RAPIDJSON_ENDIAN.
#endif // __GLIBC__
// Detect with _LITTLE_ENDIAN and _BIG_ENDIAN macro
#elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
#define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
#elif defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)
#define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
// Detect with architecture macros
#elif defined(__sparc) || defined(__sparc__) || defined(_POWER) || \
defined(__powerpc__) || defined(__ppc__) || defined(__hpux) || \
defined(__hppa) || defined(_MIPSEB) || defined(_POWER) || \
defined(__s390__)
#define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
#elif defined(__i386__) || defined(__alpha__) || defined(__ia64) || \
defined(__ia64__) || defined(_M_IX86) || defined(_M_IA64) || \
defined(_M_ALPHA) || defined(__amd64) || defined(__amd64__) || \
defined(_M_AMD64) || defined(__x86_64) || defined(__x86_64__) || \
defined(_M_X64) || defined(__bfin__)
#define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
#elif defined(_MSC_VER) && (defined(_M_ARM) || defined(_M_ARM64))
#define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
#elif defined(RAPIDJSON_DOXYGEN_RUNNING)
#define RAPIDJSON_ENDIAN
#else
# error Unknown machine endianness detected. User needs to define RAPIDJSON_ENDIAN.
#endif
#endif // RAPIDJSON_ENDIAN
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_64BIT
//! Whether using 64-bit architecture
#ifndef RAPIDJSON_64BIT
#if defined(__LP64__) || (defined(__x86_64__) && defined(__ILP32__)) || \
defined(_WIN64) || defined(__EMSCRIPTEN__)
#define RAPIDJSON_64BIT 1
#else
#define RAPIDJSON_64BIT 0
#endif
#endif // RAPIDJSON_64BIT
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_ALIGN
//! Data alignment of the machine.
/*! \ingroup RAPIDJSON_CONFIG
\param x pointer to align
Some machines require strict data alignment. The default is 8 bytes.
User can customize by defining the RAPIDJSON_ALIGN function macro.
*/
#ifndef RAPIDJSON_ALIGN
#define RAPIDJSON_ALIGN(x) \
(((x) + static_cast<size_t>(7u)) & ~static_cast<size_t>(7u))
#endif
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_UINT64_C2
//! Construct a 64-bit literal by a pair of 32-bit integer.
/*!
64-bit literal with or without ULL suffix is prone to compiler warnings.
UINT64_C() is C macro which cause compilation problems.
Use this macro to define 64-bit constants by a pair of 32-bit integer.
*/
#ifndef RAPIDJSON_UINT64_C2
#define RAPIDJSON_UINT64_C2(high32, low32) \
((static_cast<uint64_t>(high32) << 32) | static_cast<uint64_t>(low32))
#endif
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_48BITPOINTER_OPTIMIZATION
//! Use only lower 48-bit address for some pointers.
/*!
\ingroup RAPIDJSON_CONFIG
This optimization uses the fact that current X86-64 architecture only
implement lower 48-bit virtual address. The higher 16-bit can be used for
storing other data. \c GenericValue uses this optimization to reduce its size
form 24 bytes to 16 bytes in 64-bit architecture.
*/
#ifndef RAPIDJSON_48BITPOINTER_OPTIMIZATION
#if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || \
defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
#define RAPIDJSON_48BITPOINTER_OPTIMIZATION 1
#else
#define RAPIDJSON_48BITPOINTER_OPTIMIZATION 0
#endif
#endif // RAPIDJSON_48BITPOINTER_OPTIMIZATION
#if RAPIDJSON_48BITPOINTER_OPTIMIZATION == 1
#if RAPIDJSON_64BIT != 1
#error RAPIDJSON_48BITPOINTER_OPTIMIZATION can only be set to 1 when RAPIDJSON_64BIT=1
#endif
#define RAPIDJSON_SETPOINTER(type, p, x) \
(p = reinterpret_cast<type *>( \
(reinterpret_cast<uintptr_t>(p) & \
static_cast<uintptr_t>(RAPIDJSON_UINT64_C2(0xFFFF0000, 0x00000000))) | \
reinterpret_cast<uintptr_t>(reinterpret_cast<const void *>(x))))
#define RAPIDJSON_GETPOINTER(type, p) \
(reinterpret_cast<type *>( \
reinterpret_cast<uintptr_t>(p) & \
static_cast<uintptr_t>(RAPIDJSON_UINT64_C2(0x0000FFFF, 0xFFFFFFFF))))
#else
#define RAPIDJSON_SETPOINTER(type, p, x) (p = (x))
#define RAPIDJSON_GETPOINTER(type, p) (p)
#endif
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_SSE2/RAPIDJSON_SSE42/RAPIDJSON_NEON/RAPIDJSON_SIMD
/*! \def RAPIDJSON_SIMD
\ingroup RAPIDJSON_CONFIG
\brief Enable SSE2/SSE4.2/Neon optimization.
RapidJSON supports optimized implementations for some parsing operations
based on the SSE2, SSE4.2 or NEon SIMD extensions on modern Intel
or ARM compatible processors.
To enable these optimizations, three different symbols can be defined;
\code
// Enable SSE2 optimization.
#define RAPIDJSON_SSE2
// Enable SSE4.2 optimization.
#define RAPIDJSON_SSE42
\endcode
// Enable ARM Neon optimization.
#define RAPIDJSON_NEON
\endcode
\c RAPIDJSON_SSE42 takes precedence over SSE2, if both are defined.
If any of these symbols is defined, RapidJSON defines the macro
\c RAPIDJSON_SIMD to indicate the availability of the optimized code.
*/
#if defined(RAPIDJSON_SSE2) || defined(RAPIDJSON_SSE42) || \
defined(RAPIDJSON_NEON) || defined(RAPIDJSON_DOXYGEN_RUNNING)
#define RAPIDJSON_SIMD
#endif
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_NO_SIZETYPEDEFINE
#ifndef RAPIDJSON_NO_SIZETYPEDEFINE
/*! \def RAPIDJSON_NO_SIZETYPEDEFINE
\ingroup RAPIDJSON_CONFIG
\brief User-provided \c SizeType definition.
In order to avoid using 32-bit size types for indexing strings and arrays,
define this preprocessor symbol and provide the type rapidjson::SizeType
before including RapidJSON:
\code
#define RAPIDJSON_NO_SIZETYPEDEFINE
namespace rapidjson { typedef ::std::size_t SizeType; }
#include "rapidjson/..."
\endcode
\see rapidjson::SizeType
*/
#ifdef RAPIDJSON_DOXYGEN_RUNNING
#define RAPIDJSON_NO_SIZETYPEDEFINE
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Size type (for string lengths, array sizes, etc.)
/*! RapidJSON uses 32-bit array/string indices even on 64-bit platforms,
instead of using \c size_t. Users may override the SizeType by defining
\ref RAPIDJSON_NO_SIZETYPEDEFINE.
*/
typedef unsigned SizeType;
RAPIDJSON_NAMESPACE_END
#endif
// always import std::size_t to rapidjson namespace
RAPIDJSON_NAMESPACE_BEGIN
using std::size_t;
RAPIDJSON_NAMESPACE_END
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_ASSERT
//! Assertion.
/*! \ingroup RAPIDJSON_CONFIG
By default, rapidjson uses C \c assert() for internal assertions.
User can override it by defining RAPIDJSON_ASSERT(x) macro.
\note Parsing errors are handled and can be customized by the
\ref RAPIDJSON_ERRORS APIs.
*/
#ifndef RAPIDJSON_ASSERT
#include <cassert>
#define RAPIDJSON_ASSERT(x) assert(x)
#endif // RAPIDJSON_ASSERT
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_STATIC_ASSERT
// Prefer C++11 static_assert, if available
#ifndef RAPIDJSON_STATIC_ASSERT
#if __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1800)
#define RAPIDJSON_STATIC_ASSERT(x) static_assert(x, RAPIDJSON_STRINGIFY(x))
#endif // C++11
#endif // RAPIDJSON_STATIC_ASSERT
// Adopt C++03 implementation from boost
#ifndef RAPIDJSON_STATIC_ASSERT
#ifndef __clang__
//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
#endif
RAPIDJSON_NAMESPACE_BEGIN
template <bool x>
struct STATIC_ASSERTION_FAILURE;
template <>
struct STATIC_ASSERTION_FAILURE<true> {
enum { value = 1 };
};
template <size_t x>
struct StaticAssertTest {};
RAPIDJSON_NAMESPACE_END
#if defined(__GNUC__) || defined(__clang__)
#define RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE __attribute__((unused))
#else
#define RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE
#endif
#ifndef __clang__
//!@endcond
#endif
/*! \def RAPIDJSON_STATIC_ASSERT
\brief (Internal) macro to check for conditions at compile-time
\param x compile-time condition
\hideinitializer
*/
#define RAPIDJSON_STATIC_ASSERT(x) \
typedef ::RAPIDJSON_NAMESPACE::StaticAssertTest<sizeof( \
::RAPIDJSON_NAMESPACE::STATIC_ASSERTION_FAILURE<bool(x)>)> \
RAPIDJSON_JOIN(StaticAssertTypedef, __LINE__) \
RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE
#endif // RAPIDJSON_STATIC_ASSERT
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_LIKELY, RAPIDJSON_UNLIKELY
//! Compiler branching hint for expression with high probability to be true.
/*!
\ingroup RAPIDJSON_CONFIG
\param x Boolean expression likely to be true.
*/
#ifndef RAPIDJSON_LIKELY
#if defined(__GNUC__) || defined(__clang__)
#define RAPIDJSON_LIKELY(x) __builtin_expect(!!(x), 1)
#else
#define RAPIDJSON_LIKELY(x) (x)
#endif
#endif
//! Compiler branching hint for expression with low probability to be true.
/*!
\ingroup RAPIDJSON_CONFIG
\param x Boolean expression unlikely to be true.
*/
#ifndef RAPIDJSON_UNLIKELY
#if defined(__GNUC__) || defined(__clang__)
#define RAPIDJSON_UNLIKELY(x) __builtin_expect(!!(x), 0)
#else
#define RAPIDJSON_UNLIKELY(x) (x)
#endif
#endif
///////////////////////////////////////////////////////////////////////////////
// Helpers
//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
#define RAPIDJSON_MULTILINEMACRO_BEGIN do {
#define RAPIDJSON_MULTILINEMACRO_END \
} \
while ((void)0, 0)
// adopted from Boost
#define RAPIDJSON_VERSION_CODE(x, y, z) (((x)*100000) + ((y)*100) + (z))
#if defined(__has_builtin)
#define RAPIDJSON_HAS_BUILTIN(x) __has_builtin(x)
#else
#define RAPIDJSON_HAS_BUILTIN(x) 0
#endif
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_DIAG_PUSH/POP, RAPIDJSON_DIAG_OFF
#if defined(__GNUC__)
#define RAPIDJSON_GNUC \
RAPIDJSON_VERSION_CODE(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__)
#endif
#if defined(__clang__) || (defined(RAPIDJSON_GNUC) && \
RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4, 2, 0))
#define RAPIDJSON_PRAGMA(x) _Pragma(RAPIDJSON_STRINGIFY(x))
#define RAPIDJSON_DIAG_PRAGMA(x) RAPIDJSON_PRAGMA(GCC diagnostic x)
#define RAPIDJSON_DIAG_OFF(x) \
RAPIDJSON_DIAG_PRAGMA(ignored RAPIDJSON_STRINGIFY(RAPIDJSON_JOIN(-W, x)))
// push/pop support in Clang and GCC>=4.6
#if defined(__clang__) || (defined(RAPIDJSON_GNUC) && \
RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4, 6, 0))
#define RAPIDJSON_DIAG_PUSH RAPIDJSON_DIAG_PRAGMA(push)
#define RAPIDJSON_DIAG_POP RAPIDJSON_DIAG_PRAGMA(pop)
#else // GCC >= 4.2, < 4.6
#define RAPIDJSON_DIAG_PUSH /* ignored */
#define RAPIDJSON_DIAG_POP /* ignored */
#endif
#elif defined(_MSC_VER)
// pragma (MSVC specific)
#define RAPIDJSON_PRAGMA(x) __pragma(x)
#define RAPIDJSON_DIAG_PRAGMA(x) RAPIDJSON_PRAGMA(warning(x))
#define RAPIDJSON_DIAG_OFF(x) RAPIDJSON_DIAG_PRAGMA(disable : x)
#define RAPIDJSON_DIAG_PUSH RAPIDJSON_DIAG_PRAGMA(push)
#define RAPIDJSON_DIAG_POP RAPIDJSON_DIAG_PRAGMA(pop)
#else
#define RAPIDJSON_DIAG_OFF(x) /* ignored */
#define RAPIDJSON_DIAG_PUSH /* ignored */
#define RAPIDJSON_DIAG_POP /* ignored */
#endif // RAPIDJSON_DIAG_*
///////////////////////////////////////////////////////////////////////////////
// C++11 features
#ifndef RAPIDJSON_HAS_CXX11_RVALUE_REFS
#if defined(__clang__)
#if __has_feature(cxx_rvalue_references) && \
(defined(_MSC_VER) || defined(_LIBCPP_VERSION) || \
defined(__GLIBCXX__) && __GLIBCXX__ >= 20080306)
#define RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
#else
#define RAPIDJSON_HAS_CXX11_RVALUE_REFS 0
#endif
#elif (defined(RAPIDJSON_GNUC) && \
(RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4, 3, 0)) && \
defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
(defined(_MSC_VER) && _MSC_VER >= 1600) || \
(defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x5140 && \
defined(__GXX_EXPERIMENTAL_CXX0X__))
#define RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
#else
#define RAPIDJSON_HAS_CXX11_RVALUE_REFS 0
#endif
#endif // RAPIDJSON_HAS_CXX11_RVALUE_REFS
#ifndef RAPIDJSON_HAS_CXX11_NOEXCEPT
#if defined(__clang__)
#define RAPIDJSON_HAS_CXX11_NOEXCEPT __has_feature(cxx_noexcept)
#elif (defined(RAPIDJSON_GNUC) && \
(RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4, 6, 0)) && \
defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
(defined(_MSC_VER) && _MSC_VER >= 1900) || \
(defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x5140 && \
defined(__GXX_EXPERIMENTAL_CXX0X__))
#define RAPIDJSON_HAS_CXX11_NOEXCEPT 1
#else
#define RAPIDJSON_HAS_CXX11_NOEXCEPT 0
#endif
#endif
#if RAPIDJSON_HAS_CXX11_NOEXCEPT
#define RAPIDJSON_NOEXCEPT noexcept
#else
#define RAPIDJSON_NOEXCEPT /* noexcept */
#endif // RAPIDJSON_HAS_CXX11_NOEXCEPT
// no automatic detection, yet
#ifndef RAPIDJSON_HAS_CXX11_TYPETRAITS
#if (defined(_MSC_VER) && _MSC_VER >= 1700)
#define RAPIDJSON_HAS_CXX11_TYPETRAITS 1
#else
#define RAPIDJSON_HAS_CXX11_TYPETRAITS 0
#endif
#endif
#ifndef RAPIDJSON_HAS_CXX11_RANGE_FOR
#if defined(__clang__)
#define RAPIDJSON_HAS_CXX11_RANGE_FOR __has_feature(cxx_range_for)
#elif (defined(RAPIDJSON_GNUC) && \
(RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4, 6, 0)) && \
defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
(defined(_MSC_VER) && _MSC_VER >= 1700) || \
(defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x5140 && \
defined(__GXX_EXPERIMENTAL_CXX0X__))
#define RAPIDJSON_HAS_CXX11_RANGE_FOR 1
#else
#define RAPIDJSON_HAS_CXX11_RANGE_FOR 0
#endif
#endif // RAPIDJSON_HAS_CXX11_RANGE_FOR
///////////////////////////////////////////////////////////////////////////////
// C++17 features
#if defined(__has_cpp_attribute)
#if __has_cpp_attribute(fallthrough)
#define RAPIDJSON_DELIBERATE_FALLTHROUGH [[fallthrough]]
#else
#define RAPIDJSON_DELIBERATE_FALLTHROUGH
#endif
#else
#define RAPIDJSON_DELIBERATE_FALLTHROUGH
#endif
//!@endcond
//! Assertion (in non-throwing contexts).
/*! \ingroup RAPIDJSON_CONFIG
Some functions provide a \c noexcept guarantee, if the compiler supports it.
In these cases, the \ref RAPIDJSON_ASSERT macro cannot be overridden to
throw an exception. This macro adds a separate customization point for
such cases.
Defaults to C \c assert() (as \ref RAPIDJSON_ASSERT), if \c noexcept is
supported, and to \ref RAPIDJSON_ASSERT otherwise.
*/
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_NOEXCEPT_ASSERT
#ifndef RAPIDJSON_NOEXCEPT_ASSERT
#ifdef RAPIDJSON_ASSERT_THROWS
#if RAPIDJSON_HAS_CXX11_NOEXCEPT
#define RAPIDJSON_NOEXCEPT_ASSERT(x)
#else
#define RAPIDJSON_NOEXCEPT_ASSERT(x) RAPIDJSON_ASSERT(x)
#endif // RAPIDJSON_HAS_CXX11_NOEXCEPT
#else
#define RAPIDJSON_NOEXCEPT_ASSERT(x) RAPIDJSON_ASSERT(x)
#endif // RAPIDJSON_ASSERT_THROWS
#endif // RAPIDJSON_NOEXCEPT_ASSERT
///////////////////////////////////////////////////////////////////////////////
// new/delete
#ifndef RAPIDJSON_NEW
///! customization point for global \c new
#define RAPIDJSON_NEW(TypeName) new TypeName
#endif
#ifndef RAPIDJSON_DELETE
///! customization point for global \c delete
#define RAPIDJSON_DELETE(x) delete x
#endif
///////////////////////////////////////////////////////////////////////////////
// Type
/*! \namespace rapidjson
\brief main RapidJSON namespace
\see RAPIDJSON_NAMESPACE
*/
RAPIDJSON_NAMESPACE_BEGIN
//! Type of JSON value
enum Type {
kNullType = 0, //!< null
kFalseType = 1, //!< false
kTrueType = 2, //!< true
kObjectType = 3, //!< object
kArrayType = 4, //!< array
kStringType = 5, //!< string
kNumberType = 6 //!< number
};
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_RAPIDJSON_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#include "rapidjson.h"
#ifndef RAPIDJSON_STREAM_H_
#define RAPIDJSON_STREAM_H_
#include "encodings.h"
RAPIDJSON_NAMESPACE_BEGIN
///////////////////////////////////////////////////////////////////////////////
// Stream
/*! \class rapidjson::Stream
\brief Concept for reading and writing characters.
For read-only stream, no need to implement PutBegin(), Put(), Flush() and
PutEnd().
For write-only stream, only need to implement Put() and Flush().
\code
concept Stream {
typename Ch; //!< Character type of the stream.
//! Read the current character from stream without moving the read cursor.
Ch Peek() const;
//! Read the current character from stream and moving the read cursor to
next character. Ch Take();
//! Get the current read cursor.
//! \return Number of characters read from start.
size_t Tell();
//! Begin writing operation at the current read pointer.
//! \return The begin writer pointer.
Ch* PutBegin();
//! Write a character.
void Put(Ch c);
//! Flush the buffer.
void Flush();
//! End the writing operation.
//! \param begin The begin write pointer returned by PutBegin().
//! \return Number of characters written.
size_t PutEnd(Ch* begin);
}
\endcode
*/
//! Provides additional information for stream.
/*!
By using traits pattern, this type provides a default configuration for
stream. For custom stream, this type can be specialized for other
configuration. See TEST(Reader, CustomStringStream) in readertest.cpp for
example.
*/
template <typename Stream>
struct StreamTraits {
//! Whether to make local copy of stream for optimization during parsing.
/*!
By default, for safety, streams do not use local copy optimization.
Stream that can be copied fast should specialize this, like
StreamTraits<StringStream>.
*/
enum { copyOptimization = 0 };
};
//! Reserve n characters for writing to a stream.
template <typename Stream>
inline void PutReserve(Stream &stream, size_t count) {
(void)stream;
(void)count;
}
//! Write character to a stream, presuming buffer is reserved.
template <typename Stream>
inline void PutUnsafe(Stream &stream, typename Stream::Ch c) {
stream.Put(c);
}
//! Put N copies of a character to a stream.
template <typename Stream, typename Ch>
inline void PutN(Stream &stream, Ch c, size_t n) {
PutReserve(stream, n);
for (size_t i = 0; i < n; i++) PutUnsafe(stream, c);
}
///////////////////////////////////////////////////////////////////////////////
// GenericStreamWrapper
//! A Stream Wrapper
/*! \tThis string stream is a wrapper for any stream by just forwarding any
\treceived message to the origin stream.
\note implements Stream concept
*/
#if defined(_MSC_VER) && _MSC_VER <= 1800
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(4702) // unreachable code
RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
#endif
template <typename InputStream, typename Encoding = UTF8<>>
class GenericStreamWrapper {
public:
typedef typename Encoding::Ch Ch;
GenericStreamWrapper(InputStream &is) : is_(is) {}
Ch Peek() const { return is_.Peek(); }
Ch Take() { return is_.Take(); }
size_t Tell() { return is_.Tell(); }
Ch *PutBegin() { return is_.PutBegin(); }
void Put(Ch ch) { is_.Put(ch); }
void Flush() { is_.Flush(); }
size_t PutEnd(Ch *ch) { return is_.PutEnd(ch); }
// wrapper for MemoryStream
const Ch *Peek4() const { return is_.Peek4(); }
// wrapper for AutoUTFInputStream
UTFType GetType() const { return is_.GetType(); }
bool HasBOM() const { return is_.HasBOM(); }
protected:
InputStream &is_;
};
#if defined(_MSC_VER) && _MSC_VER <= 1800
RAPIDJSON_DIAG_POP
#endif
///////////////////////////////////////////////////////////////////////////////
// StringStream
//! Read-only string stream.
/*! \note implements Stream concept
*/
template <typename Encoding>
struct GenericStringStream {
typedef typename Encoding::Ch Ch;
GenericStringStream(const Ch *src) : src_(src), head_(src) {}
Ch Peek() const { return *src_; }
Ch Take() { return *src_++; }
size_t Tell() const { return static_cast<size_t>(src_ - head_); }
Ch *PutBegin() {
RAPIDJSON_ASSERT(false);
return 0;
}
void Put(Ch) { RAPIDJSON_ASSERT(false); }
void Flush() { RAPIDJSON_ASSERT(false); }
size_t PutEnd(Ch *) {
RAPIDJSON_ASSERT(false);
return 0;
}
const Ch *src_; //!< Current read position.
const Ch *head_; //!< Original head of the string.
};
template <typename Encoding>
struct StreamTraits<GenericStringStream<Encoding>> {
enum { copyOptimization = 1 };
};
//! String stream with UTF8 encoding.
typedef GenericStringStream<UTF8<>> StringStream;
///////////////////////////////////////////////////////////////////////////////
// InsituStringStream
//! A read-write string stream.
/*! This string stream is particularly designed for in-situ parsing.
\note implements Stream concept
*/
template <typename Encoding>
struct GenericInsituStringStream {
typedef typename Encoding::Ch Ch;
GenericInsituStringStream(Ch *src) : src_(src), dst_(0), head_(src) {}
// Read
Ch Peek() { return *src_; }
Ch Take() { return *src_++; }
size_t Tell() { return static_cast<size_t>(src_ - head_); }
// Write
void Put(Ch c) {
RAPIDJSON_ASSERT(dst_ != 0);
*dst_++ = c;
}
Ch *PutBegin() { return dst_ = src_; }
size_t PutEnd(Ch *begin) { return static_cast<size_t>(dst_ - begin); }
void Flush() {}
Ch *Push(size_t count) {
Ch *begin = dst_;
dst_ += count;
return begin;
}
void Pop(size_t count) { dst_ -= count; }
Ch *src_;
Ch *dst_;
Ch *head_;
};
template <typename Encoding>
struct StreamTraits<GenericInsituStringStream<Encoding>> {
enum { copyOptimization = 1 };
};
//! Insitu string stream with UTF8 encoding.
typedef GenericInsituStringStream<UTF8<>> InsituStringStream;
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_STREAM_H_

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@@ -0,0 +1,130 @@
// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_STRINGBUFFER_H_
#define RAPIDJSON_STRINGBUFFER_H_
#include "internal/stack.h"
#include "stream.h"
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
#include <utility> // std::move
#endif
#include "internal/stack.h"
#if defined(__clang__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(c++ 98 - compat)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Represents an in-memory output stream.
/*!
\tparam Encoding Encoding of the stream.
\tparam Allocator type for allocating memory buffer.
\note implements Stream concept
*/
template <typename Encoding, typename Allocator = CrtAllocator>
class GenericStringBuffer {
public:
typedef typename Encoding::Ch Ch;
GenericStringBuffer(Allocator *allocator = 0,
size_t capacity = kDefaultCapacity)
: stack_(allocator, capacity) {}
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
GenericStringBuffer(GenericStringBuffer &&rhs)
: stack_(std::move(rhs.stack_)) {}
GenericStringBuffer &operator=(GenericStringBuffer &&rhs) {
if (&rhs != this) stack_ = std::move(rhs.stack_);
return *this;
}
#endif
void Put(Ch c) { *stack_.template Push<Ch>() = c; }
void PutUnsafe(Ch c) { *stack_.template PushUnsafe<Ch>() = c; }
void Flush() {}
void Clear() { stack_.Clear(); }
void ShrinkToFit() {
// Push and pop a null terminator. This is safe.
*stack_.template Push<Ch>() = '\0';
stack_.ShrinkToFit();
stack_.template Pop<Ch>(1);
}
void Reserve(size_t count) { stack_.template Reserve<Ch>(count); }
Ch *Push(size_t count) { return stack_.template Push<Ch>(count); }
Ch *PushUnsafe(size_t count) { return stack_.template PushUnsafe<Ch>(count); }
void Pop(size_t count) { stack_.template Pop<Ch>(count); }
const Ch *GetString() const {
// Push and pop a null terminator. This is safe.
*stack_.template Push<Ch>() = '\0';
stack_.template Pop<Ch>(1);
return stack_.template Bottom<Ch>();
}
//! Get the size of string in bytes in the string buffer.
size_t GetSize() const { return stack_.GetSize(); }
//! Get the length of string in Ch in the string buffer.
size_t GetLength() const { return stack_.GetSize() / sizeof(Ch); }
static const size_t kDefaultCapacity = 256;
mutable internal::Stack<Allocator> stack_;
private:
// Prohibit copy constructor & assignment operator.
GenericStringBuffer(const GenericStringBuffer &);
GenericStringBuffer &operator=(const GenericStringBuffer &);
};
//! String buffer with UTF8 encoding
typedef GenericStringBuffer<UTF8<>> StringBuffer;
template <typename Encoding, typename Allocator>
inline void PutReserve(GenericStringBuffer<Encoding, Allocator> &stream,
size_t count) {
stream.Reserve(count);
}
template <typename Encoding, typename Allocator>
inline void PutUnsafe(GenericStringBuffer<Encoding, Allocator> &stream,
typename Encoding::Ch c) {
stream.PutUnsafe(c);
}
//! Implement specialized version of PutN() with memset() for better
//! performance.
template <>
inline void PutN(GenericStringBuffer<UTF8<>> &stream, char c, size_t n) {
std::memset(stream.stack_.Push<char>(n), c, n * sizeof(c));
}
RAPIDJSON_NAMESPACE_END
#if defined(__clang__)
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_STRINGBUFFER_H_

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// Tencent is pleased to support the open source community by making RapidJSON
// available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
// rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License
// at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#ifndef RAPIDJSON_WRITER_H_
#define RAPIDJSON_WRITER_H_
#include <new> // placement new
#include "internal/clzll.h"
#include "internal/dtoa.h"
#include "internal/itoa.h"
#include "internal/meta.h"
#include "internal/stack.h"
#include "internal/strfunc.h"
#include "stream.h"
#include "stringbuffer.h"
#if defined(RAPIDJSON_SIMD) && defined(_MSC_VER)
#include <intrin.h>
#pragma intrinsic(_BitScanForward)
#endif
#ifdef RAPIDJSON_SSE42
#include <nmmintrin.h>
#elif defined(RAPIDJSON_SSE2)
#include <emmintrin.h>
#elif defined(RAPIDJSON_NEON)
#include <arm_neon.h>
#endif
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
RAPIDJSON_DIAG_OFF(unreachable - code)
RAPIDJSON_DIAG_OFF(c++ 98 - compat)
#elif defined(_MSC_VER)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(4127) // conditional expression is constant
#endif
RAPIDJSON_NAMESPACE_BEGIN
///////////////////////////////////////////////////////////////////////////////
// WriteFlag
/*! \def RAPIDJSON_WRITE_DEFAULT_FLAGS
\ingroup RAPIDJSON_CONFIG
\brief User-defined kWriteDefaultFlags definition.
User can define this as any \c WriteFlag combinations.
*/
#ifndef RAPIDJSON_WRITE_DEFAULT_FLAGS
#define RAPIDJSON_WRITE_DEFAULT_FLAGS kWriteNoFlags
#endif
//! Combination of writeFlags
enum WriteFlag {
kWriteNoFlags = 0, //!< No flags are set.
kWriteValidateEncodingFlag = 1, //!< Validate encoding of JSON strings.
kWriteNanAndInfFlag = 2, //!< Allow writing of Infinity, -Infinity and NaN.
kWriteDefaultFlags =
RAPIDJSON_WRITE_DEFAULT_FLAGS //!< Default write flags. Can be customized
//!< by defining
//!< RAPIDJSON_WRITE_DEFAULT_FLAGS
};
//! JSON writer
/*! Writer implements the concept Handler.
It generates JSON text by events to an output os.
User may programmatically calls the functions of a writer to generate JSON
text.
On the other side, a writer can also be passed to objects that generates
events,
for example Reader::Parse() and Document::Accept().
\tparam OutputStream Type of output stream.
\tparam SourceEncoding Encoding of source string.
\tparam TargetEncoding Encoding of output stream.
\tparam StackAllocator Type of allocator for allocating memory of stack.
\note implements Handler concept
*/
template <typename OutputStream, typename SourceEncoding = UTF8<>,
typename TargetEncoding = UTF8<>,
typename StackAllocator = CrtAllocator,
unsigned writeFlags = kWriteDefaultFlags>
class Writer {
public:
typedef typename SourceEncoding::Ch Ch;
static const int kDefaultMaxDecimalPlaces = 324;
//! Constructor
/*! \param os Output stream.
\param stackAllocator User supplied allocator. If it is null, it will
create a private one. \param levelDepth Initial capacity of stack.
*/
explicit Writer(OutputStream &os, StackAllocator *stackAllocator = 0,
size_t levelDepth = kDefaultLevelDepth)
: os_(&os),
level_stack_(stackAllocator, levelDepth * sizeof(Level)),
maxDecimalPlaces_(kDefaultMaxDecimalPlaces),
hasRoot_(false) {}
explicit Writer(StackAllocator *allocator = 0,
size_t levelDepth = kDefaultLevelDepth)
: os_(0),
level_stack_(allocator, levelDepth * sizeof(Level)),
maxDecimalPlaces_(kDefaultMaxDecimalPlaces),
hasRoot_(false) {}
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
Writer(Writer &&rhs)
: os_(rhs.os_),
level_stack_(std::move(rhs.level_stack_)),
maxDecimalPlaces_(rhs.maxDecimalPlaces_),
hasRoot_(rhs.hasRoot_) {
rhs.os_ = 0;
}
#endif
//! Reset the writer with a new stream.
/*!
This function reset the writer with a new stream and default settings,
in order to make a Writer object reusable for output multiple JSONs.
\param os New output stream.
\code
Writer<OutputStream> writer(os1);
writer.StartObject();
// ...
writer.EndObject();
writer.Reset(os2);
writer.StartObject();
// ...
writer.EndObject();
\endcode
*/
void Reset(OutputStream &os) {
os_ = &os;
hasRoot_ = false;
level_stack_.Clear();
}
//! Checks whether the output is a complete JSON.
/*!
A complete JSON has a complete root object or array.
*/
bool IsComplete() const { return hasRoot_ && level_stack_.Empty(); }
int GetMaxDecimalPlaces() const { return maxDecimalPlaces_; }
//! Sets the maximum number of decimal places for double output.
/*!
This setting truncates the output with specified number of decimal places.
For example,
\code
writer.SetMaxDecimalPlaces(3);
writer.StartArray();
writer.Double(0.12345); // "0.123"
writer.Double(0.0001); // "0.0"
writer.Double(1.234567890123456e30); // "1.234567890123456e30" (do not
truncate significand for positive exponent) writer.Double(1.23e-4); //
"0.0" (do truncate significand for negative exponent)
writer.EndArray();
\endcode
The default setting does not truncate any decimal places. You can restore
to this setting by calling \code
writer.SetMaxDecimalPlaces(Writer::kDefaultMaxDecimalPlaces);
\endcode
*/
void SetMaxDecimalPlaces(int maxDecimalPlaces) {
maxDecimalPlaces_ = maxDecimalPlaces;
}
/*!@name Implementation of Handler
\see Handler
*/
//@{
bool Null() {
Prefix(kNullType);
return EndValue(WriteNull());
}
bool Bool(bool b) {
Prefix(b ? kTrueType : kFalseType);
return EndValue(WriteBool(b));
}
bool Int(int i) {
Prefix(kNumberType);
return EndValue(WriteInt(i));
}
bool Uint(unsigned u) {
Prefix(kNumberType);
return EndValue(WriteUint(u));
}
bool Int64(int64_t i64) {
Prefix(kNumberType);
return EndValue(WriteInt64(i64));
}
bool Uint64(uint64_t u64) {
Prefix(kNumberType);
return EndValue(WriteUint64(u64));
}
//! Writes the given \c double value to the stream
/*!
\param d The value to be written.
\return Whether it is succeed.
*/
bool Double(double d) {
Prefix(kNumberType);
return EndValue(WriteDouble(d));
}
bool RawNumber(const Ch *str, SizeType length, bool copy = false) {
RAPIDJSON_ASSERT(str != 0);
(void)copy;
Prefix(kNumberType);
return EndValue(WriteString(str, length));
}
bool String(const Ch *str, SizeType length, bool copy = false) {
RAPIDJSON_ASSERT(str != 0);
(void)copy;
Prefix(kStringType);
return EndValue(WriteString(str, length));
}
#if RAPIDJSON_HAS_STDSTRING
bool String(const std::basic_string<Ch> &str) {
return String(str.data(), SizeType(str.size()));
}
#endif
bool StartObject() {
Prefix(kObjectType);
new (level_stack_.template Push<Level>()) Level(false);
return WriteStartObject();
}
bool Key(const Ch *str, SizeType length, bool copy = false) {
return String(str, length, copy);
}
#if RAPIDJSON_HAS_STDSTRING
bool Key(const std::basic_string<Ch> &str) {
return Key(str.data(), SizeType(str.size()));
}
#endif
bool EndObject(SizeType memberCount = 0) {
(void)memberCount;
RAPIDJSON_ASSERT(level_stack_.GetSize() >=
sizeof(Level)); // not inside an Object
RAPIDJSON_ASSERT(!level_stack_.template Top<Level>()
->inArray); // currently inside an Array, not Object
RAPIDJSON_ASSERT(0 ==
level_stack_.template Top<Level>()->valueCount %
2); // Object has a Key without a Value
level_stack_.template Pop<Level>(1);
return EndValue(WriteEndObject());
}
bool StartArray() {
Prefix(kArrayType);
new (level_stack_.template Push<Level>()) Level(true);
return WriteStartArray();
}
bool EndArray(SizeType elementCount = 0) {
(void)elementCount;
RAPIDJSON_ASSERT(level_stack_.GetSize() >= sizeof(Level));
RAPIDJSON_ASSERT(level_stack_.template Top<Level>()->inArray);
level_stack_.template Pop<Level>(1);
return EndValue(WriteEndArray());
}
//@}
/*! @name Convenience extensions */
//@{
//! Simpler but slower overload.
bool String(const Ch *const &str) {
return String(str, internal::StrLen(str));
}
bool Key(const Ch *const &str) { return Key(str, internal::StrLen(str)); }
//@}
//! Write a raw JSON value.
/*!
For user to write a stringified JSON as a value.
\param json A well-formed JSON value. It should not contain null character
within [0, length - 1] range. \param length Length of the json. \param type
Type of the root of json.
*/
bool RawValue(const Ch *json, size_t length, Type type) {
RAPIDJSON_ASSERT(json != 0);
Prefix(type);
return EndValue(WriteRawValue(json, length));
}
//! Flush the output stream.
/*!
Allows the user to flush the output stream immediately.
*/
void Flush() { os_->Flush(); }
protected:
//! Information for each nested level
struct Level {
Level(bool inArray_) : valueCount(0), inArray(inArray_) {}
size_t valueCount; //!< number of values in this level
bool inArray; //!< true if in array, otherwise in object
};
static const size_t kDefaultLevelDepth = 32;
bool WriteNull() {
PutReserve(*os_, 4);
PutUnsafe(*os_, 'n');
PutUnsafe(*os_, 'u');
PutUnsafe(*os_, 'l');
PutUnsafe(*os_, 'l');
return true;
}
bool WriteBool(bool b) {
if (b) {
PutReserve(*os_, 4);
PutUnsafe(*os_, 't');
PutUnsafe(*os_, 'r');
PutUnsafe(*os_, 'u');
PutUnsafe(*os_, 'e');
} else {
PutReserve(*os_, 5);
PutUnsafe(*os_, 'f');
PutUnsafe(*os_, 'a');
PutUnsafe(*os_, 'l');
PutUnsafe(*os_, 's');
PutUnsafe(*os_, 'e');
}
return true;
}
bool WriteInt(int i) {
char buffer[11];
const char *end = internal::i32toa(i, buffer);
PutReserve(*os_, static_cast<size_t>(end - buffer));
for (const char *p = buffer; p != end; ++p)
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(*p));
return true;
}
bool WriteUint(unsigned u) {
char buffer[10];
const char *end = internal::u32toa(u, buffer);
PutReserve(*os_, static_cast<size_t>(end - buffer));
for (const char *p = buffer; p != end; ++p)
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(*p));
return true;
}
bool WriteInt64(int64_t i64) {
char buffer[21];
const char *end = internal::i64toa(i64, buffer);
PutReserve(*os_, static_cast<size_t>(end - buffer));
for (const char *p = buffer; p != end; ++p)
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(*p));
return true;
}
bool WriteUint64(uint64_t u64) {
char buffer[20];
char *end = internal::u64toa(u64, buffer);
PutReserve(*os_, static_cast<size_t>(end - buffer));
for (char *p = buffer; p != end; ++p)
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(*p));
return true;
}
bool WriteDouble(double d) {
if (internal::Double(d).IsNanOrInf()) {
if (!(writeFlags & kWriteNanAndInfFlag)) return false;
if (internal::Double(d).IsNan()) {
PutReserve(*os_, 3);
PutUnsafe(*os_, 'N');
PutUnsafe(*os_, 'a');
PutUnsafe(*os_, 'N');
return true;
}
if (internal::Double(d).Sign()) {
PutReserve(*os_, 9);
PutUnsafe(*os_, '-');
} else
PutReserve(*os_, 8);
PutUnsafe(*os_, 'I');
PutUnsafe(*os_, 'n');
PutUnsafe(*os_, 'f');
PutUnsafe(*os_, 'i');
PutUnsafe(*os_, 'n');
PutUnsafe(*os_, 'i');
PutUnsafe(*os_, 't');
PutUnsafe(*os_, 'y');
return true;
}
char buffer[25];
char *end = internal::dtoa(d, buffer, maxDecimalPlaces_);
PutReserve(*os_, static_cast<size_t>(end - buffer));
for (char *p = buffer; p != end; ++p)
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(*p));
return true;
}
bool WriteString(const Ch *str, SizeType length) {
static const typename OutputStream::Ch hexDigits[16] = {
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
static const char escape[256] = {
#define Z16 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
// 0 1 2 3 4 5 6 7 8 9 A B C D E
// F
'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'b', 't',
'n', 'u', 'f', 'r', 'u', 'u', // 00
'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u',
'u', 'u', 'u', 'u', 'u', 'u', // 10
0, 0, '"', 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, // 20
Z16, Z16, // 30~4F
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, '\\', 0, 0, 0, // 50
Z16, Z16, Z16, Z16, Z16, Z16, Z16, Z16, Z16, Z16 // 60~FF
#undef Z16
};
if (TargetEncoding::supportUnicode)
PutReserve(*os_, 2 + length * 6); // "\uxxxx..."
else
PutReserve(*os_, 2 + length * 12); // "\uxxxx\uyyyy..."
PutUnsafe(*os_, '\"');
GenericStringStream<SourceEncoding> is(str);
while (ScanWriteUnescapedString(is, length)) {
const Ch c = is.Peek();
if (!TargetEncoding::supportUnicode && static_cast<unsigned>(c) >= 0x80) {
// Unicode escaping
unsigned codepoint;
if (RAPIDJSON_UNLIKELY(!SourceEncoding::Decode(is, &codepoint)))
return false;
PutUnsafe(*os_, '\\');
PutUnsafe(*os_, 'u');
if (codepoint <= 0xD7FF ||
(codepoint >= 0xE000 && codepoint <= 0xFFFF)) {
PutUnsafe(*os_, hexDigits[(codepoint >> 12) & 15]);
PutUnsafe(*os_, hexDigits[(codepoint >> 8) & 15]);
PutUnsafe(*os_, hexDigits[(codepoint >> 4) & 15]);
PutUnsafe(*os_, hexDigits[(codepoint)&15]);
} else {
RAPIDJSON_ASSERT(codepoint >= 0x010000 && codepoint <= 0x10FFFF);
// Surrogate pair
unsigned s = codepoint - 0x010000;
unsigned lead = (s >> 10) + 0xD800;
unsigned trail = (s & 0x3FF) + 0xDC00;
PutUnsafe(*os_, hexDigits[(lead >> 12) & 15]);
PutUnsafe(*os_, hexDigits[(lead >> 8) & 15]);
PutUnsafe(*os_, hexDigits[(lead >> 4) & 15]);
PutUnsafe(*os_, hexDigits[(lead)&15]);
PutUnsafe(*os_, '\\');
PutUnsafe(*os_, 'u');
PutUnsafe(*os_, hexDigits[(trail >> 12) & 15]);
PutUnsafe(*os_, hexDigits[(trail >> 8) & 15]);
PutUnsafe(*os_, hexDigits[(trail >> 4) & 15]);
PutUnsafe(*os_, hexDigits[(trail)&15]);
}
} else if ((sizeof(Ch) == 1 || static_cast<unsigned>(c) < 256) &&
RAPIDJSON_UNLIKELY(escape[static_cast<unsigned char>(c)])) {
is.Take();
PutUnsafe(*os_, '\\');
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(
escape[static_cast<unsigned char>(c)]));
if (escape[static_cast<unsigned char>(c)] == 'u') {
PutUnsafe(*os_, '0');
PutUnsafe(*os_, '0');
PutUnsafe(*os_, hexDigits[static_cast<unsigned char>(c) >> 4]);
PutUnsafe(*os_, hexDigits[static_cast<unsigned char>(c) & 0xF]);
}
} else if (RAPIDJSON_UNLIKELY(!(
writeFlags & kWriteValidateEncodingFlag
? Transcoder<SourceEncoding, TargetEncoding>::Validate(
is, *os_)
: Transcoder<SourceEncoding,
TargetEncoding>::TranscodeUnsafe(is,
*os_))))
return false;
}
PutUnsafe(*os_, '\"');
return true;
}
bool ScanWriteUnescapedString(GenericStringStream<SourceEncoding> &is,
size_t length) {
return RAPIDJSON_LIKELY(is.Tell() < length);
}
bool WriteStartObject() {
os_->Put('{');
return true;
}
bool WriteEndObject() {
os_->Put('}');
return true;
}
bool WriteStartArray() {
os_->Put('[');
return true;
}
bool WriteEndArray() {
os_->Put(']');
return true;
}
bool WriteRawValue(const Ch *json, size_t length) {
PutReserve(*os_, length);
GenericStringStream<SourceEncoding> is(json);
while (RAPIDJSON_LIKELY(is.Tell() < length)) {
RAPIDJSON_ASSERT(is.Peek() != '\0');
if (RAPIDJSON_UNLIKELY(!(
writeFlags & kWriteValidateEncodingFlag
? Transcoder<SourceEncoding, TargetEncoding>::Validate(is,
*os_)
: Transcoder<SourceEncoding, TargetEncoding>::TranscodeUnsafe(
is, *os_))))
return false;
}
return true;
}
void Prefix(Type type) {
(void)type;
if (RAPIDJSON_LIKELY(level_stack_.GetSize() !=
0)) { // this value is not at root
Level *level = level_stack_.template Top<Level>();
if (level->valueCount > 0) {
if (level->inArray)
os_->Put(','); // add comma if it is not the first element in array
else // in object
os_->Put((level->valueCount % 2 == 0) ? ',' : ':');
}
if (!level->inArray && level->valueCount % 2 == 0)
RAPIDJSON_ASSERT(type == kStringType); // if it's in object, then even
// number should be a name
level->valueCount++;
} else {
RAPIDJSON_ASSERT(!hasRoot_); // Should only has one and only one root.
hasRoot_ = true;
}
}
// Flush the value if it is the top level one.
bool EndValue(bool ret) {
if (RAPIDJSON_UNLIKELY(level_stack_.Empty())) // end of json text
Flush();
return ret;
}
OutputStream *os_;
internal::Stack<StackAllocator> level_stack_;
int maxDecimalPlaces_;
bool hasRoot_;
private:
// Prohibit copy constructor & assignment operator.
Writer(const Writer &);
Writer &operator=(const Writer &);
};
// Full specialization for StringStream to prevent memory copying
template <>
inline bool Writer<StringBuffer>::WriteInt(int i) {
char *buffer = os_->Push(11);
const char *end = internal::i32toa(i, buffer);
os_->Pop(static_cast<size_t>(11 - (end - buffer)));
return true;
}
template <>
inline bool Writer<StringBuffer>::WriteUint(unsigned u) {
char *buffer = os_->Push(10);
const char *end = internal::u32toa(u, buffer);
os_->Pop(static_cast<size_t>(10 - (end - buffer)));
return true;
}
template <>
inline bool Writer<StringBuffer>::WriteInt64(int64_t i64) {
char *buffer = os_->Push(21);
const char *end = internal::i64toa(i64, buffer);
os_->Pop(static_cast<size_t>(21 - (end - buffer)));
return true;
}
template <>
inline bool Writer<StringBuffer>::WriteUint64(uint64_t u) {
char *buffer = os_->Push(20);
const char *end = internal::u64toa(u, buffer);
os_->Pop(static_cast<size_t>(20 - (end - buffer)));
return true;
}
template <>
inline bool Writer<StringBuffer>::WriteDouble(double d) {
if (internal::Double(d).IsNanOrInf()) {
// Note: This code path can only be reached if
// (RAPIDJSON_WRITE_DEFAULT_FLAGS & kWriteNanAndInfFlag).
if (!(kWriteDefaultFlags & kWriteNanAndInfFlag)) return false;
if (internal::Double(d).IsNan()) {
PutReserve(*os_, 3);
PutUnsafe(*os_, 'N');
PutUnsafe(*os_, 'a');
PutUnsafe(*os_, 'N');
return true;
}
if (internal::Double(d).Sign()) {
PutReserve(*os_, 9);
PutUnsafe(*os_, '-');
} else
PutReserve(*os_, 8);
PutUnsafe(*os_, 'I');
PutUnsafe(*os_, 'n');
PutUnsafe(*os_, 'f');
PutUnsafe(*os_, 'i');
PutUnsafe(*os_, 'n');
PutUnsafe(*os_, 'i');
PutUnsafe(*os_, 't');
PutUnsafe(*os_, 'y');
return true;
}
char *buffer = os_->Push(25);
char *end = internal::dtoa(d, buffer, maxDecimalPlaces_);
os_->Pop(static_cast<size_t>(25 - (end - buffer)));
return true;
}
#if defined(RAPIDJSON_SSE2) || defined(RAPIDJSON_SSE42)
template <>
inline bool Writer<StringBuffer>::ScanWriteUnescapedString(StringStream &is,
size_t length) {
if (length < 16) return RAPIDJSON_LIKELY(is.Tell() < length);
if (!RAPIDJSON_LIKELY(is.Tell() < length)) return false;
const char *p = is.src_;
const char *end = is.head_ + length;
const char *nextAligned = reinterpret_cast<const char *>(
(reinterpret_cast<size_t>(p) + 15) & static_cast<size_t>(~15));
const char *endAligned = reinterpret_cast<const char *>(
reinterpret_cast<size_t>(end) & static_cast<size_t>(~15));
if (nextAligned > end) return true;
while (p != nextAligned)
if (*p < 0x20 || *p == '\"' || *p == '\\') {
is.src_ = p;
return RAPIDJSON_LIKELY(is.Tell() < length);
} else
os_->PutUnsafe(*p++);
// The rest of string using SIMD
static const char dquote[16] = {'\"', '\"', '\"', '\"', '\"', '\"',
'\"', '\"', '\"', '\"', '\"', '\"',
'\"', '\"', '\"', '\"'};
static const char bslash[16] = {'\\', '\\', '\\', '\\', '\\', '\\',
'\\', '\\', '\\', '\\', '\\', '\\',
'\\', '\\', '\\', '\\'};
static const char space[16] = {0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
0x1F, 0x1F, 0x1F, 0x1F};
const __m128i dq =
_mm_loadu_si128(reinterpret_cast<const __m128i *>(&dquote[0]));
const __m128i bs =
_mm_loadu_si128(reinterpret_cast<const __m128i *>(&bslash[0]));
const __m128i sp =
_mm_loadu_si128(reinterpret_cast<const __m128i *>(&space[0]));
for (; p != endAligned; p += 16) {
const __m128i s = _mm_load_si128(reinterpret_cast<const __m128i *>(p));
const __m128i t1 = _mm_cmpeq_epi8(s, dq);
const __m128i t2 = _mm_cmpeq_epi8(s, bs);
const __m128i t3 = _mm_cmpeq_epi8(_mm_max_epu8(s, sp),
sp); // s < 0x20 <=> max(s, 0x1F) == 0x1F
const __m128i x = _mm_or_si128(_mm_or_si128(t1, t2), t3);
unsigned short r = static_cast<unsigned short>(_mm_movemask_epi8(x));
if (RAPIDJSON_UNLIKELY(r != 0)) { // some of characters is escaped
SizeType len;
#ifdef _MSC_VER // Find the index of first escaped
unsigned long offset;
_BitScanForward(&offset, r);
len = offset;
#else
len = static_cast<SizeType>(__builtin_ffs(r) - 1);
#endif
char *q = reinterpret_cast<char *>(os_->PushUnsafe(len));
for (size_t i = 0; i < len; i++) q[i] = p[i];
p += len;
break;
}
_mm_storeu_si128(reinterpret_cast<__m128i *>(os_->PushUnsafe(16)), s);
}
is.src_ = p;
return RAPIDJSON_LIKELY(is.Tell() < length);
}
#elif defined(RAPIDJSON_NEON)
template <>
inline bool Writer<StringBuffer>::ScanWriteUnescapedString(StringStream &is,
size_t length) {
if (length < 16) return RAPIDJSON_LIKELY(is.Tell() < length);
if (!RAPIDJSON_LIKELY(is.Tell() < length)) return false;
const char *p = is.src_;
const char *end = is.head_ + length;
const char *nextAligned = reinterpret_cast<const char *>(
(reinterpret_cast<size_t>(p) + 15) & static_cast<size_t>(~15));
const char *endAligned = reinterpret_cast<const char *>(
reinterpret_cast<size_t>(end) & static_cast<size_t>(~15));
if (nextAligned > end) return true;
while (p != nextAligned)
if (*p < 0x20 || *p == '\"' || *p == '\\') {
is.src_ = p;
return RAPIDJSON_LIKELY(is.Tell() < length);
} else
os_->PutUnsafe(*p++);
// The rest of string using SIMD
const uint8x16_t s0 = vmovq_n_u8('"');
const uint8x16_t s1 = vmovq_n_u8('\\');
const uint8x16_t s2 = vmovq_n_u8('\b');
const uint8x16_t s3 = vmovq_n_u8(32);
for (; p != endAligned; p += 16) {
const uint8x16_t s = vld1q_u8(reinterpret_cast<const uint8_t *>(p));
uint8x16_t x = vceqq_u8(s, s0);
x = vorrq_u8(x, vceqq_u8(s, s1));
x = vorrq_u8(x, vceqq_u8(s, s2));
x = vorrq_u8(x, vcltq_u8(s, s3));
x = vrev64q_u8(x); // Rev in 64
uint64_t low = vgetq_lane_u64(vreinterpretq_u64_u8(x), 0); // extract
uint64_t high = vgetq_lane_u64(vreinterpretq_u64_u8(x), 1); // extract
SizeType len = 0;
bool escaped = false;
if (low == 0) {
if (high != 0) {
uint32_t lz = RAPIDJSON_CLZLL(high);
len = 8 + (lz >> 3);
escaped = true;
}
} else {
uint32_t lz = RAPIDJSON_CLZLL(low);
len = lz >> 3;
escaped = true;
}
if (RAPIDJSON_UNLIKELY(escaped)) { // some of characters is escaped
char *q = reinterpret_cast<char *>(os_->PushUnsafe(len));
for (size_t i = 0; i < len; i++) q[i] = p[i];
p += len;
break;
}
vst1q_u8(reinterpret_cast<uint8_t *>(os_->PushUnsafe(16)), s);
}
is.src_ = p;
return RAPIDJSON_LIKELY(is.Tell() < length);
}
#endif // RAPIDJSON_NEON
RAPIDJSON_NAMESPACE_END
#if defined(_MSC_VER) || defined(__clang__)
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_RAPIDJSON_H_

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The MIT License (MIT)
Copyright (c) 2016 Gabi Melman.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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@@ -0,0 +1,87 @@
//
// Copyright(c) 2018 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
//
// Async logging using global thread pool
// All loggers created here share same global thread pool.
// Each log message is pushed to a queue along withe a shared pointer to the
// logger.
// If a logger deleted while having pending messages in the queue, it's actual
// destruction will defer
// until all its messages are processed by the thread pool.
// This is because each message in the queue holds a shared_ptr to the
// originating logger.
#include "spdlog/async_logger.h"
#include "spdlog/details/registry.h"
#include "spdlog/details/thread_pool.h"
#include <memory>
#include <mutex>
namespace spdlog {
namespace details {
static const size_t default_async_q_size = 8192;
}
// async logger factory - creates async loggers backed with thread pool.
// if a global thread pool doesn't already exist, create it with default queue
// size of 8192 items and single thread.
template<async_overflow_policy OverflowPolicy = async_overflow_policy::block>
struct async_factory_impl
{
template<typename Sink, typename... SinkArgs>
static std::shared_ptr<async_logger> create(std::string logger_name, SinkArgs &&... args)
{
auto &registry_inst = details::registry::instance();
// create global thread pool if not already exists..
std::lock_guard<std::recursive_mutex> tp_lock(registry_inst.tp_mutex());
auto tp = registry_inst.get_tp();
if (tp == nullptr)
{
tp = std::make_shared<details::thread_pool>(details::default_async_q_size, 1);
registry_inst.set_tp(tp);
}
auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...);
auto new_logger = std::make_shared<async_logger>(std::move(logger_name), std::move(sink), std::move(tp), OverflowPolicy);
registry_inst.initialize_logger(new_logger);
return new_logger;
}
};
using async_factory = async_factory_impl<async_overflow_policy::block>;
using async_factory_nonblock = async_factory_impl<async_overflow_policy::overrun_oldest>;
template<typename Sink, typename... SinkArgs>
inline std::shared_ptr<spdlog::logger> create_async(std::string logger_name, SinkArgs &&... sink_args)
{
return async_factory::create<Sink>(std::move(logger_name), std::forward<SinkArgs>(sink_args)...);
}
template<typename Sink, typename... SinkArgs>
inline std::shared_ptr<spdlog::logger> create_async_nb(std::string logger_name, SinkArgs &&... sink_args)
{
return async_factory_nonblock::create<Sink>(std::move(logger_name), std::forward<SinkArgs>(sink_args)...);
}
// set global thread pool.
inline void init_thread_pool(size_t q_size, size_t thread_count)
{
auto tp = std::make_shared<details::thread_pool>(q_size, thread_count);
details::registry::instance().set_tp(std::move(tp));
}
// get the global thread pool.
inline std::shared_ptr<spdlog::details::thread_pool> thread_pool()
{
return details::registry::instance().get_tp();
}
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
// Very fast asynchronous logger (millions of logs per second on an average
// desktop)
// Uses pre allocated lockfree queue for maximum throughput even under large
// number of threads.
// Creates a single back thread to pop messages from the queue and log them.
//
// Upon each log write the logger:
// 1. Checks if its log level is enough to log the message
// 2. Push a new copy of the message to a queue (or block the caller until
// space is available in the queue)
// 3. will throw spdlog_ex upon log exceptions
// Upon destruction, logs all remaining messages in the queue before
// destructing..
#include "spdlog/common.h"
#include "spdlog/logger.h"
#include <chrono>
#include <memory>
#include <string>
namespace spdlog {
// Async overflow policy - block by default.
enum class async_overflow_policy
{
block, // Block until message can be enqueued
overrun_oldest // Discard oldest message in the queue if full when trying to
// add new item.
};
namespace details {
class thread_pool;
}
class async_logger final : public std::enable_shared_from_this<async_logger>, public logger
{
friend class details::thread_pool;
public:
template<typename It>
async_logger(std::string logger_name, It begin, It end, std::weak_ptr<details::thread_pool> tp,
async_overflow_policy overflow_policy = async_overflow_policy::block);
async_logger(std::string logger_name, sinks_init_list sinks_list, std::weak_ptr<details::thread_pool> tp,
async_overflow_policy overflow_policy = async_overflow_policy::block);
async_logger(std::string logger_name, sink_ptr single_sink, std::weak_ptr<details::thread_pool> tp,
async_overflow_policy overflow_policy = async_overflow_policy::block);
std::shared_ptr<logger> clone(std::string new_name) override;
protected:
void sink_it_(details::log_msg &msg) override;
void flush_() override;
void backend_log_(const details::log_msg &incoming_log_msg);
void backend_flush_();
private:
std::weak_ptr<details::thread_pool> thread_pool_;
async_overflow_policy overflow_policy_;
};
} // namespace spdlog
#include "details/async_logger_impl.h"

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include "spdlog/tweakme.h"
#include <atomic>
#include <chrono>
#include <functional>
#include <initializer_list>
#include <memory>
#include <stdexcept>
#include <string>
#include <cstring>
#include <type_traits>
#include <unordered_map>
#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
#include <codecvt>
#include <locale>
#endif
#include "spdlog/details/null_mutex.h"
#include "spdlog/fmt/fmt.h"
// visual studio upto 2013 does not support noexcept nor constexpr
#if defined(_MSC_VER) && (_MSC_VER < 1900)
#define SPDLOG_NOEXCEPT throw()
#define SPDLOG_CONSTEXPR
#else
#define SPDLOG_NOEXCEPT noexcept
#define SPDLOG_CONSTEXPR constexpr
#endif
#if defined(__GNUC__) || defined(__clang__)
#define SPDLOG_DEPRECATED __attribute__((deprecated))
#elif defined(_MSC_VER)
#define SPDLOG_DEPRECATED __declspec(deprecated)
#else
#define SPDLOG_DEPRECATED
#endif
// disable thread local on msvc 2013
#ifndef SPDLOG_NO_TLS
#if (defined(_MSC_VER) && (_MSC_VER < 1900)) || defined(__cplusplus_winrt)
#define SPDLOG_NO_TLS 1
#endif
#endif
// Get the basename of __FILE__ (at compile time if possible)
#if FMT_HAS_FEATURE(__builtin_strrchr)
#define SPDLOG_STRRCHR(str, sep) __builtin_strrchr(str, sep)
#else
#define SPDLOG_STRRCHR(str, sep) strrchr(str, sep)
#endif //__builtin_strrchr not defined
#ifdef _WIN32
#define SPDLOG_FILE_BASENAME(file) SPDLOG_STRRCHR("\\" file, '\\') + 1
#else
#define SPDLOG_FILE_BASENAME(file) SPDLOG_STRRCHR("/" file, '/') + 1
#endif
#ifndef SPDLOG_FUNCTION
#define SPDLOG_FUNCTION __FUNCTION__
#endif
namespace spdlog {
class formatter;
namespace sinks {
class sink;
}
using log_clock = std::chrono::system_clock;
using sink_ptr = std::shared_ptr<sinks::sink>;
using sinks_init_list = std::initializer_list<sink_ptr>;
using log_err_handler = std::function<void(const std::string &err_msg)>;
// string_view type - either std::string_view or fmt::string_view (pre c++17)
#if defined(FMT_USE_STD_STRING_VIEW)
using string_view_t = std::string_view;
#else
using string_view_t = fmt::string_view;
#endif
#if defined(SPDLOG_NO_ATOMIC_LEVELS)
using level_t = details::null_atomic_int;
#else
using level_t = std::atomic<int>;
#endif
#define SPDLOG_LEVEL_TRACE 0
#define SPDLOG_LEVEL_DEBUG 1
#define SPDLOG_LEVEL_INFO 2
#define SPDLOG_LEVEL_WARN 3
#define SPDLOG_LEVEL_ERROR 4
#define SPDLOG_LEVEL_CRITICAL 5
#define SPDLOG_LEVEL_OFF 6
#if !defined(SPDLOG_ACTIVE_LEVEL)
#define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_INFO
#endif
// Log level enum
namespace level {
enum level_enum
{
trace = SPDLOG_LEVEL_TRACE,
debug = SPDLOG_LEVEL_DEBUG,
info = SPDLOG_LEVEL_INFO,
warn = SPDLOG_LEVEL_WARN,
err = SPDLOG_LEVEL_ERROR,
critical = SPDLOG_LEVEL_CRITICAL,
off = SPDLOG_LEVEL_OFF,
};
#if !defined(SPDLOG_LEVEL_NAMES)
#define SPDLOG_LEVEL_NAMES \
{ \
"trace", "debug", "info", "warning", "error", "critical", "off" \
}
#endif
static string_view_t level_string_views[] SPDLOG_LEVEL_NAMES;
#if !defined(SPDLOG_SHORT_LEVEL_NAMES)
#define SPDLOG_SHORT_LEVEL_NAMES {"T", "D", "I", "W", "E", "C", "O"}
#endif
static const char *short_level_names[] SPDLOG_SHORT_LEVEL_NAMES;
inline string_view_t &to_string_view(spdlog::level::level_enum l) SPDLOG_NOEXCEPT
{
return level_string_views[l];
}
inline const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT
{
return short_level_names[l];
}
inline spdlog::level::level_enum from_str(const std::string &name) SPDLOG_NOEXCEPT
{
int level = 0;
for (const auto &level_str : level_string_views)
{
if (level_str == name)
{
return static_cast<level::level_enum>(level);
}
level++;
}
return level::off;
}
using level_hasher = std::hash<int>;
} // namespace level
//
// Pattern time - specific time getting to use for pattern_formatter.
// local time by default
//
enum class pattern_time_type
{
local, // log localtime
utc // log utc
};
//
// Log exception
//
class spdlog_ex : public std::exception
{
public:
explicit spdlog_ex(std::string msg)
: msg_(std::move(msg))
{
}
spdlog_ex(const std::string &msg, int last_errno)
{
fmt::memory_buffer outbuf;
fmt::format_system_error(outbuf, last_errno, msg);
msg_ = fmt::to_string(outbuf);
}
const char *what() const SPDLOG_NOEXCEPT override
{
return msg_.c_str();
}
private:
std::string msg_;
};
//
// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
//
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
using filename_t = std::wstring;
#else
using filename_t = std::string;
#endif
struct source_loc
{
SPDLOG_CONSTEXPR source_loc()
: filename{""}
, line{0}
, funcname{""}
{
}
SPDLOG_CONSTEXPR source_loc(const char *filename_in, int line_in, const char *funcname_in)
: filename{filename_in}
, line{static_cast<uint32_t>(line_in)}
, funcname{funcname_in}
{
}
SPDLOG_CONSTEXPR bool empty() const SPDLOG_NOEXCEPT
{
return line == 0;
}
const char *filename;
uint32_t line;
const char *funcname;
};
namespace details {
// make_unique support for pre c++14
#if __cplusplus >= 201402L // C++14 and beyond
using std::make_unique;
#else
template<typename T, typename... Args>
std::unique_ptr<T> make_unique(Args &&... args)
{
static_assert(!std::is_array<T>::value, "arrays not supported");
return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
#endif
} // namespace details
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
// async logger implementation
// uses a thread pool to perform the actual logging
#include "spdlog/details/thread_pool.h"
#include <chrono>
#include <memory>
#include <string>
template<typename It>
inline spdlog::async_logger::async_logger(
std::string logger_name, It begin, It end, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
: logger(std::move(logger_name), begin, end)
, thread_pool_(std::move(tp))
, overflow_policy_(overflow_policy)
{
}
inline spdlog::async_logger::async_logger(
std::string logger_name, sinks_init_list sinks_list, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
: async_logger(std::move(logger_name), sinks_list.begin(), sinks_list.end(), std::move(tp), overflow_policy)
{
}
inline spdlog::async_logger::async_logger(
std::string logger_name, sink_ptr single_sink, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
: async_logger(std::move(logger_name), {std::move(single_sink)}, std::move(tp), overflow_policy)
{
}
// send the log message to the thread pool
inline void spdlog::async_logger::sink_it_(details::log_msg &msg)
{
#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER)
incr_msg_counter_(msg);
#endif
if (auto pool_ptr = thread_pool_.lock())
{
pool_ptr->post_log(shared_from_this(), msg, overflow_policy_);
}
else
{
throw spdlog_ex("async log: thread pool doesn't exist anymore");
}
}
// send flush request to the thread pool
inline void spdlog::async_logger::flush_()
{
if (auto pool_ptr = thread_pool_.lock())
{
pool_ptr->post_flush(shared_from_this(), overflow_policy_);
}
else
{
throw spdlog_ex("async flush: thread pool doesn't exist anymore");
}
}
//
// backend functions - called from the thread pool to do the actual job
//
inline void spdlog::async_logger::backend_log_(const details::log_msg &incoming_log_msg)
{
try
{
for (auto &s : sinks_)
{
if (s->should_log(incoming_log_msg.level))
{
s->log(incoming_log_msg);
}
}
}
SPDLOG_CATCH_AND_HANDLE
if (should_flush_(incoming_log_msg))
{
backend_flush_();
}
}
inline void spdlog::async_logger::backend_flush_()
{
try
{
for (auto &sink : sinks_)
{
sink->flush();
}
}
SPDLOG_CATCH_AND_HANDLE
}
inline std::shared_ptr<spdlog::logger> spdlog::async_logger::clone(std::string new_name)
{
auto cloned = std::make_shared<spdlog::async_logger>(std::move(new_name), sinks_.begin(), sinks_.end(), thread_pool_, overflow_policy_);
cloned->set_level(this->level());
cloned->flush_on(this->flush_level());
cloned->set_error_handler(this->error_handler());
return std::move(cloned);
}

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//
// Copyright(c) 2018 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
// cirucal q view of std::vector.
#pragma once
#include <vector>
namespace spdlog {
namespace details {
template<typename T>
class circular_q
{
public:
using item_type = T;
explicit circular_q(size_t max_items)
: max_items_(max_items + 1) // one item is reserved as marker for full q
, v_(max_items_)
{
}
// push back, overrun (oldest) item if no room left
void push_back(T &&item)
{
v_[tail_] = std::move(item);
tail_ = (tail_ + 1) % max_items_;
if (tail_ == head_) // overrun last item if full
{
head_ = (head_ + 1) % max_items_;
++overrun_counter_;
}
}
// Pop item from front.
// If there are no elements in the container, the behavior is undefined.
void pop_front(T &popped_item)
{
popped_item = std::move(v_[head_]);
head_ = (head_ + 1) % max_items_;
}
bool empty()
{
return tail_ == head_;
}
bool full()
{
// head is ahead of the tail by 1
return ((tail_ + 1) % max_items_) == head_;
}
size_t overrun_counter() const
{
return overrun_counter_;
}
private:
size_t max_items_;
typename std::vector<T>::size_type head_ = 0;
typename std::vector<T>::size_type tail_ = 0;
std::vector<T> v_;
size_t overrun_counter_ = 0;
};
} // namespace details
} // namespace spdlog

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#pragma once
//
// Copyright(c) 2018 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#include "spdlog/details/null_mutex.h"
#include <cstdio>
#include <mutex>
#ifdef _WIN32
#ifndef NOMINMAX
#define NOMINMAX // prevent windows redefining min/max
#endif
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#endif
namespace spdlog {
namespace details {
struct console_stdout
{
static std::FILE *stream()
{
return stdout;
}
#ifdef _WIN32
static HANDLE handle()
{
return ::GetStdHandle(STD_OUTPUT_HANDLE);
}
#endif
};
struct console_stderr
{
static std::FILE *stream()
{
return stderr;
}
#ifdef _WIN32
static HANDLE handle()
{
return ::GetStdHandle(STD_ERROR_HANDLE);
}
#endif
};
struct console_mutex
{
using mutex_t = std::mutex;
static mutex_t &mutex()
{
static mutex_t s_mutex;
return s_mutex;
}
};
struct console_nullmutex
{
using mutex_t = null_mutex;
static mutex_t &mutex()
{
static mutex_t s_mutex;
return s_mutex;
}
};
} // namespace details
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
// Helper class for file sinks.
// When failing to open a file, retry several times(5) with a delay interval(10 ms).
// Throw spdlog_ex exception on errors.
#include "spdlog/details/log_msg.h"
#include "spdlog/details/os.h"
#include <cerrno>
#include <chrono>
#include <cstdio>
#include <string>
#include <thread>
#include <tuple>
namespace spdlog {
namespace details {
class file_helper
{
public:
const int open_tries = 5;
const int open_interval = 10;
explicit file_helper() = default;
file_helper(const file_helper &) = delete;
file_helper &operator=(const file_helper &) = delete;
~file_helper()
{
close();
}
void open(const filename_t &fname, bool truncate = false)
{
close();
auto *mode = truncate ? SPDLOG_FILENAME_T("wb") : SPDLOG_FILENAME_T("ab");
_filename = fname;
for (int tries = 0; tries < open_tries; ++tries)
{
if (!os::fopen_s(&fd_, fname, mode))
{
return;
}
details::os::sleep_for_millis(open_interval);
}
throw spdlog_ex("Failed opening file " + os::filename_to_str(_filename) + " for writing", errno);
}
void reopen(bool truncate)
{
if (_filename.empty())
{
throw spdlog_ex("Failed re opening file - was not opened before");
}
open(_filename, truncate);
}
void flush()
{
std::fflush(fd_);
}
void close()
{
if (fd_ != nullptr)
{
std::fclose(fd_);
fd_ = nullptr;
}
}
void write(const fmt::memory_buffer &buf)
{
size_t msg_size = buf.size();
auto data = buf.data();
if (std::fwrite(data, 1, msg_size, fd_) != msg_size)
{
throw spdlog_ex("Failed writing to file " + os::filename_to_str(_filename), errno);
}
}
size_t size() const
{
if (fd_ == nullptr)
{
throw spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(_filename));
}
return os::filesize(fd_);
}
const filename_t &filename() const
{
return _filename;
}
static bool file_exists(const filename_t &fname)
{
return os::file_exists(fname);
}
//
// return file path and its extension:
//
// "mylog.txt" => ("mylog", ".txt")
// "mylog" => ("mylog", "")
// "mylog." => ("mylog.", "")
// "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt")
//
// the starting dot in filenames is ignored (hidden files):
//
// ".mylog" => (".mylog". "")
// "my_folder/.mylog" => ("my_folder/.mylog", "")
// "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt")
static std::tuple<filename_t, filename_t> split_by_extension(const spdlog::filename_t &fname)
{
auto ext_index = fname.rfind('.');
// no valid extension found - return whole path and empty string as
// extension
if (ext_index == filename_t::npos || ext_index == 0 || ext_index == fname.size() - 1)
{
return std::make_tuple(fname, spdlog::filename_t());
}
// treat casese like "/etc/rc.d/somelogfile or "/abc/.hiddenfile"
auto folder_index = fname.rfind(details::os::folder_sep);
if (folder_index != filename_t::npos && folder_index >= ext_index - 1)
{
return std::make_tuple(fname, spdlog::filename_t());
}
// finally - return a valid base and extension tuple
return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index));
}
private:
std::FILE *fd_{nullptr};
filename_t _filename;
};
} // namespace details
} // namespace spdlog

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//
// Created by gabi on 6/15/18.
//
#pragma once
#include <chrono>
#include <type_traits>
#include "spdlog/fmt/fmt.h"
// Some fmt helpers to efficiently format and pad ints and strings
namespace spdlog {
namespace details {
namespace fmt_helper {
template<size_t Buffer_Size>
inline spdlog::string_view_t to_string_view(const fmt::basic_memory_buffer<char, Buffer_Size> &buf) SPDLOG_NOEXCEPT
{
return spdlog::string_view_t(buf.data(), buf.size());
}
template<size_t Buffer_Size1, size_t Buffer_Size2>
inline void append_buf(const fmt::basic_memory_buffer<char, Buffer_Size1> &buf, fmt::basic_memory_buffer<char, Buffer_Size2> &dest)
{
auto *buf_ptr = buf.data();
dest.append(buf_ptr, buf_ptr + buf.size());
}
template<size_t Buffer_Size>
inline void append_string_view(spdlog::string_view_t view, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
{
auto *buf_ptr = view.data();
if (buf_ptr != nullptr)
{
dest.append(buf_ptr, buf_ptr + view.size());
}
}
template<typename T, size_t Buffer_Size>
inline void append_int(T n, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
{
fmt::format_int i(n);
dest.append(i.data(), i.data() + i.size());
}
template<typename T>
inline unsigned count_digits(T n)
{
using count_type = typename std::conditional<(sizeof(T) > sizeof(uint32_t)), uint64_t, uint32_t>::type;
return static_cast<unsigned>(fmt::internal::count_digits(static_cast<count_type>(n)));
}
template<size_t Buffer_Size>
inline void pad2(int n, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
{
if (n > 99)
{
append_int(n, dest);
}
else if (n > 9) // 10-99
{
dest.push_back(static_cast<char>('0' + n / 10));
dest.push_back(static_cast<char>('0' + n % 10));
}
else if (n >= 0) // 0-9
{
dest.push_back('0');
dest.push_back(static_cast<char>('0' + n));
}
else // negatives (unlikely, but just in case, let fmt deal with it)
{
fmt::format_to(dest, "{:02}", n);
}
}
template<typename T, size_t Buffer_Size>
inline void pad_uint(T n, unsigned int width, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
{
static_assert(std::is_unsigned<T>::value, "pad_uint must get unsigned T");
auto digits = count_digits(n);
if (width > digits)
{
const char *zeroes = "0000000000000000000";
dest.append(zeroes, zeroes + width - digits);
}
append_int(n, dest);
}
template<typename T, size_t Buffer_Size>
inline void pad3(T n, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
{
pad_uint(n, 3, dest);
}
template<typename T, size_t Buffer_Size>
inline void pad6(T n, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
{
pad_uint(n, 6, dest);
}
template<typename T, size_t Buffer_Size>
inline void pad9(T n, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
{
pad_uint(n, 9, dest);
}
// return fraction of a second of the given time_point.
// e.g.
// fraction<std::milliseconds>(tp) -> will return the millis part of the second
template<typename ToDuration>
inline ToDuration time_fraction(const log_clock::time_point &tp)
{
using std::chrono::duration_cast;
using std::chrono::seconds;
auto duration = tp.time_since_epoch();
auto secs = duration_cast<seconds>(duration);
return duration_cast<ToDuration>(duration) - duration_cast<ToDuration>(secs);
}
} // namespace fmt_helper
} // namespace details
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include "spdlog/common.h"
#include "spdlog/details/os.h"
#include <string>
#include <utility>
namespace spdlog {
namespace details {
struct log_msg
{
log_msg(source_loc loc, const std::string *loggers_name, level::level_enum lvl, string_view_t view)
: logger_name(loggers_name)
, level(lvl)
#ifndef SPDLOG_NO_DATETIME
, time(os::now())
#endif
#ifndef SPDLOG_NO_THREAD_ID
, thread_id(os::thread_id())
#endif
, source(loc)
, payload(view)
{
}
log_msg(const std::string *loggers_name, level::level_enum lvl, string_view_t view)
: log_msg(source_loc{}, loggers_name, lvl, view)
{
}
log_msg(const log_msg &other) = default;
const std::string *logger_name{nullptr};
level::level_enum level{level::off};
log_clock::time_point time;
size_t thread_id{0};
size_t msg_id{0};
// wrapping the formatted text with color (updated by pattern_formatter).
mutable size_t color_range_start{0};
mutable size_t color_range_end{0};
source_loc source;
const string_view_t payload;
};
} // namespace details
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include "spdlog/details/fmt_helper.h"
#include <memory>
#include <string>
#define SPDLOG_CATCH_AND_HANDLE \
catch (const std::exception &ex) \
{ \
err_handler_(ex.what()); \
} \
catch (...) \
{ \
err_handler_("Unknown exception in logger"); \
}
// create logger with given name, sinks and the default pattern formatter
// all other ctors will call this one
template<typename It>
inline spdlog::logger::logger(std::string logger_name, It begin, It end)
: name_(std::move(logger_name))
, sinks_(begin, end)
{
}
// ctor with sinks as init list
inline spdlog::logger::logger(std::string logger_name, sinks_init_list sinks_list)
: logger(std::move(logger_name), sinks_list.begin(), sinks_list.end())
{
}
// ctor with single sink
inline spdlog::logger::logger(std::string logger_name, spdlog::sink_ptr single_sink)
: logger(std::move(logger_name), {std::move(single_sink)})
{
}
inline spdlog::logger::~logger() = default;
inline void spdlog::logger::set_formatter(std::unique_ptr<spdlog::formatter> f)
{
for (auto &sink : sinks_)
{
sink->set_formatter(f->clone());
}
}
inline void spdlog::logger::set_pattern(std::string pattern, pattern_time_type time_type)
{
auto new_formatter = details::make_unique<spdlog::pattern_formatter>(std::move(pattern), time_type);
set_formatter(std::move(new_formatter));
}
template<typename... Args>
inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const char *fmt, const Args &... args)
{
if (!should_log(lvl))
{
return;
}
try
{
using details::fmt_helper::to_string_view;
fmt::memory_buffer buf;
fmt::format_to(buf, fmt, args...);
details::log_msg log_msg(source, &name_, lvl, to_string_view(buf));
sink_it_(log_msg);
}
SPDLOG_CATCH_AND_HANDLE
}
template<typename... Args>
inline void spdlog::logger::log(level::level_enum lvl, const char *fmt, const Args &... args)
{
log(source_loc{}, lvl, fmt, args...);
}
inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const char *msg)
{
if (!should_log(lvl))
{
return;
}
try
{
details::log_msg log_msg(source, &name_, lvl, spdlog::string_view_t(msg));
sink_it_(log_msg);
}
SPDLOG_CATCH_AND_HANDLE
}
inline void spdlog::logger::log(level::level_enum lvl, const char *msg)
{
log(source_loc{}, lvl, msg);
}
template<class T>
inline void spdlog::logger::log(level::level_enum lvl, const T &msg)
{
log(source_loc{}, lvl, msg);
}
template<class T, typename std::enable_if<std::is_convertible<T, spdlog::string_view_t>::value, T>::type *>
inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const T &msg)
{
if (!should_log(lvl))
{
return;
}
try
{
details::log_msg log_msg(source, &name_, lvl, msg);
sink_it_(log_msg);
}
SPDLOG_CATCH_AND_HANDLE
}
template<class T, typename std::enable_if<!std::is_convertible<T, spdlog::string_view_t>::value, T>::type *>
inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const T &msg)
{
if (!should_log(lvl))
{
return;
}
try
{
using details::fmt_helper::to_string_view;
fmt::memory_buffer buf;
fmt::format_to(buf, "{}", msg);
details::log_msg log_msg(source, &name_, lvl, to_string_view(buf));
sink_it_(log_msg);
}
SPDLOG_CATCH_AND_HANDLE
}
template<typename... Args>
inline void spdlog::logger::trace(const char *fmt, const Args &... args)
{
log(level::trace, fmt, args...);
}
template<typename... Args>
inline void spdlog::logger::debug(const char *fmt, const Args &... args)
{
log(level::debug, fmt, args...);
}
template<typename... Args>
inline void spdlog::logger::info(const char *fmt, const Args &... args)
{
log(level::info, fmt, args...);
}
template<typename... Args>
inline void spdlog::logger::warn(const char *fmt, const Args &... args)
{
log(level::warn, fmt, args...);
}
template<typename... Args>
inline void spdlog::logger::error(const char *fmt, const Args &... args)
{
log(level::err, fmt, args...);
}
template<typename... Args>
inline void spdlog::logger::critical(const char *fmt, const Args &... args)
{
log(level::critical, fmt, args...);
}
template<typename T>
inline void spdlog::logger::trace(const T &msg)
{
log(level::trace, msg);
}
template<typename T>
inline void spdlog::logger::debug(const T &msg)
{
log(level::debug, msg);
}
template<typename T>
inline void spdlog::logger::info(const T &msg)
{
log(level::info, msg);
}
template<typename T>
inline void spdlog::logger::warn(const T &msg)
{
log(level::warn, msg);
}
template<typename T>
inline void spdlog::logger::error(const T &msg)
{
log(level::err, msg);
}
template<typename T>
inline void spdlog::logger::critical(const T &msg)
{
log(level::critical, msg);
}
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
inline void wbuf_to_utf8buf(const fmt::wmemory_buffer &wbuf, fmt::memory_buffer &target)
{
int wbuf_size = static_cast<int>(wbuf.size());
if (wbuf_size == 0)
{
return;
}
auto result_size = ::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, NULL, 0, NULL, NULL);
if (result_size > 0)
{
target.resize(result_size);
::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, &target.data()[0], result_size, NULL, NULL);
}
else
{
throw spdlog::spdlog_ex(fmt::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError()));
}
}
template<typename... Args>
inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const wchar_t *fmt, const Args &... args)
{
if (!should_log(lvl))
{
return;
}
try
{
// format to wmemory_buffer and convert to utf8
using details::fmt_helper::to_string_view;
fmt::wmemory_buffer wbuf;
fmt::format_to(wbuf, fmt, args...);
fmt::memory_buffer buf;
wbuf_to_utf8buf(wbuf, buf);
details::log_msg log_msg(source, &name_, lvl, to_string_view(buf));
sink_it_(log_msg);
}
SPDLOG_CATCH_AND_HANDLE
}
template<typename... Args>
inline void spdlog::logger::log(level::level_enum lvl, const wchar_t *fmt, const Args &... args)
{
log(source_loc{}, lvl, fmt, args...);
}
template<typename... Args>
inline void spdlog::logger::trace(const wchar_t *fmt, const Args &... args)
{
log(level::trace, fmt, args...);
}
template<typename... Args>
inline void spdlog::logger::debug(const wchar_t *fmt, const Args &... args)
{
log(level::debug, fmt, args...);
}
template<typename... Args>
inline void spdlog::logger::info(const wchar_t *fmt, const Args &... args)
{
log(level::info, fmt, args...);
}
template<typename... Args>
inline void spdlog::logger::warn(const wchar_t *fmt, const Args &... args)
{
log(level::warn, fmt, args...);
}
template<typename... Args>
inline void spdlog::logger::error(const wchar_t *fmt, const Args &... args)
{
log(level::err, fmt, args...);
}
template<typename... Args>
inline void spdlog::logger::critical(const wchar_t *fmt, const Args &... args)
{
log(level::critical, fmt, args...);
}
#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
//
// name and level
//
inline const std::string &spdlog::logger::name() const
{
return name_;
}
inline void spdlog::logger::set_level(spdlog::level::level_enum log_level)
{
level_.store(log_level);
}
inline void spdlog::logger::set_error_handler(spdlog::log_err_handler err_handler)
{
err_handler_ = std::move(err_handler);
}
inline spdlog::log_err_handler spdlog::logger::error_handler() const
{
return err_handler_;
}
inline void spdlog::logger::flush()
{
try
{
flush_();
}
SPDLOG_CATCH_AND_HANDLE
}
inline void spdlog::logger::flush_on(level::level_enum log_level)
{
flush_level_.store(log_level);
}
inline spdlog::level::level_enum spdlog::logger::flush_level() const
{
return static_cast<spdlog::level::level_enum>(flush_level_.load(std::memory_order_relaxed));
}
inline bool spdlog::logger::should_flush_(const details::log_msg &msg)
{
auto flush_level = flush_level_.load(std::memory_order_relaxed);
return (msg.level >= flush_level) && (msg.level != level::off);
}
inline spdlog::level::level_enum spdlog::logger::default_level()
{
return static_cast<spdlog::level::level_enum>(SPDLOG_ACTIVE_LEVEL);
}
inline spdlog::level::level_enum spdlog::logger::level() const
{
return static_cast<spdlog::level::level_enum>(level_.load(std::memory_order_relaxed));
}
inline bool spdlog::logger::should_log(spdlog::level::level_enum msg_level) const
{
return msg_level >= level_.load(std::memory_order_relaxed);
}
//
// protected virtual called at end of each user log call (if enabled) by the
// line_logger
//
inline void spdlog::logger::sink_it_(details::log_msg &msg)
{
#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER)
incr_msg_counter_(msg);
#endif
for (auto &sink : sinks_)
{
if (sink->should_log(msg.level))
{
sink->log(msg);
}
}
if (should_flush_(msg))
{
flush_();
}
}
inline void spdlog::logger::flush_()
{
for (auto &sink : sinks_)
{
sink->flush();
}
}
inline void spdlog::logger::default_err_handler_(const std::string &msg)
{
auto now = time(nullptr);
if (now - last_err_time_ < 60)
{
return;
}
last_err_time_ = now;
auto tm_time = details::os::localtime(now);
char date_buf[100];
std::strftime(date_buf, sizeof(date_buf), "%Y-%m-%d %H:%M:%S", &tm_time);
fmt::print(stderr, "[*** LOG ERROR ***] [{}] [{}] {}\n", date_buf, name(), msg);
}
inline void spdlog::logger::incr_msg_counter_(details::log_msg &msg)
{
msg.msg_id = msg_counter_.fetch_add(1, std::memory_order_relaxed);
}
inline const std::vector<spdlog::sink_ptr> &spdlog::logger::sinks() const
{
return sinks_;
}
inline std::vector<spdlog::sink_ptr> &spdlog::logger::sinks()
{
return sinks_;
}
inline std::shared_ptr<spdlog::logger> spdlog::logger::clone(std::string logger_name)
{
auto cloned = std::make_shared<spdlog::logger>(std::move(logger_name), sinks_.begin(), sinks_.end());
cloned->set_level(this->level());
cloned->flush_on(this->flush_level());
cloned->set_error_handler(this->error_handler());
return cloned;
}

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#pragma once
//
// Copyright(c) 2018 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
// multi producer-multi consumer blocking queue.
// enqueue(..) - will block until room found to put the new message.
// enqueue_nowait(..) - will return immediately with false if no room left in
// the queue.
// dequeue_for(..) - will block until the queue is not empty or timeout have
// passed.
#include "spdlog/details/circular_q.h"
#include <condition_variable>
#include <mutex>
namespace spdlog {
namespace details {
template<typename T>
class mpmc_blocking_queue
{
public:
using item_type = T;
explicit mpmc_blocking_queue(size_t max_items)
: q_(max_items)
{
}
#ifndef __MINGW32__
// try to enqueue and block if no room left
void enqueue(T &&item)
{
{
std::unique_lock<std::mutex> lock(queue_mutex_);
pop_cv_.wait(lock, [this] { return !this->q_.full(); });
q_.push_back(std::move(item));
}
push_cv_.notify_one();
}
// enqueue immediately. overrun oldest message in the queue if no room left.
void enqueue_nowait(T &&item)
{
{
std::unique_lock<std::mutex> lock(queue_mutex_);
q_.push_back(std::move(item));
}
push_cv_.notify_one();
}
// try to dequeue item. if no item found. wait upto timeout and try again
// Return true, if succeeded dequeue item, false otherwise
bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration)
{
{
std::unique_lock<std::mutex> lock(queue_mutex_);
if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); }))
{
return false;
}
q_.pop_front(popped_item);
}
pop_cv_.notify_one();
return true;
}
#else
// apparently mingw deadlocks if the mutex is released before cv.notify_one(),
// so release the mutex at the very end each function.
// try to enqueue and block if no room left
void enqueue(T &&item)
{
std::unique_lock<std::mutex> lock(queue_mutex_);
pop_cv_.wait(lock, [this] { return !this->q_.full(); });
q_.push_back(std::move(item));
push_cv_.notify_one();
}
// enqueue immediately. overrun oldest message in the queue if no room left.
void enqueue_nowait(T &&item)
{
std::unique_lock<std::mutex> lock(queue_mutex_);
q_.push_back(std::move(item));
push_cv_.notify_one();
}
// try to dequeue item. if no item found. wait upto timeout and try again
// Return true, if succeeded dequeue item, false otherwise
bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration)
{
std::unique_lock<std::mutex> lock(queue_mutex_);
if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); }))
{
return false;
}
q_.pop_front(popped_item);
pop_cv_.notify_one();
return true;
}
#endif
size_t overrun_counter()
{
std::unique_lock<std::mutex> lock(queue_mutex_);
return q_.overrun_counter();
}
private:
std::mutex queue_mutex_;
std::condition_variable push_cv_;
std::condition_variable pop_cv_;
spdlog::details::circular_q<T> q_;
};
} // namespace details
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include <atomic>
// null, no cost dummy "mutex" and dummy "atomic" int
namespace spdlog {
namespace details {
struct null_mutex
{
void lock() {}
void unlock() {}
bool try_lock()
{
return true;
}
};
struct null_atomic_int
{
int value;
null_atomic_int() = default;
explicit null_atomic_int(int val)
: value(val)
{
}
int load(std::memory_order) const
{
return value;
}
void store(int val)
{
value = val;
}
};
} // namespace details
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include "../common.h"
#include <algorithm>
#include <chrono>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <functional>
#include <string>
#include <sys/stat.h>
#include <sys/types.h>
#include <thread>
#ifdef _WIN32
#ifndef NOMINMAX
#define NOMINMAX // prevent windows redefining min/max
#endif
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <io.h> // _get_osfhandle and _isatty support
#include <process.h> // _get_pid support
#include <windows.h>
#ifdef __MINGW32__
#include <share.h>
#endif
#else // unix
#include <fcntl.h>
#include <unistd.h>
#ifdef __linux__
#include <sys/syscall.h> //Use gettid() syscall under linux to get thread id
#elif __FreeBSD__
#include <sys/thr.h> //Use thr_self() syscall under FreeBSD to get thread id
#endif
#endif // unix
#ifndef __has_feature // Clang - feature checking macros.
#define __has_feature(x) 0 // Compatibility with non-clang compilers.
#endif
namespace spdlog {
namespace details {
namespace os {
inline spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT
{
#if defined __linux__ && defined SPDLOG_CLOCK_COARSE
timespec ts;
::clock_gettime(CLOCK_REALTIME_COARSE, &ts);
return std::chrono::time_point<log_clock, typename log_clock::duration>(
std::chrono::duration_cast<typename log_clock::duration>(std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec)));
#else
return log_clock::now();
#endif
}
inline std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT
{
#ifdef _WIN32
std::tm tm;
localtime_s(&tm, &time_tt);
#else
std::tm tm;
localtime_r(&time_tt, &tm);
#endif
return tm;
}
inline std::tm localtime() SPDLOG_NOEXCEPT
{
std::time_t now_t = time(nullptr);
return localtime(now_t);
}
inline std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT
{
#ifdef _WIN32
std::tm tm;
gmtime_s(&tm, &time_tt);
#else
std::tm tm;
gmtime_r(&time_tt, &tm);
#endif
return tm;
}
inline std::tm gmtime() SPDLOG_NOEXCEPT
{
std::time_t now_t = time(nullptr);
return gmtime(now_t);
}
// eol definition
#if !defined(SPDLOG_EOL)
#ifdef _WIN32
#define SPDLOG_EOL "\r\n"
#else
#define SPDLOG_EOL "\n"
#endif
#endif
SPDLOG_CONSTEXPR static const char *default_eol = SPDLOG_EOL;
// folder separator
#ifdef _WIN32
SPDLOG_CONSTEXPR static const char folder_sep = '\\';
#else
SPDLOG_CONSTEXPR static const char folder_sep = '/';
#endif
inline void prevent_child_fd(FILE *f)
{
#ifdef _WIN32
#if !defined(__cplusplus_winrt)
auto file_handle = (HANDLE)_get_osfhandle(_fileno(f));
if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0))
throw spdlog_ex("SetHandleInformation failed", errno);
#endif
#else
auto fd = fileno(f);
if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
{
throw spdlog_ex("fcntl with FD_CLOEXEC failed", errno);
}
#endif
}
// fopen_s on non windows for writing
inline bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode)
{
#ifdef _WIN32
#ifdef SPDLOG_WCHAR_FILENAMES
*fp = _wfsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);
#else
*fp = _fsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);
#endif
#else // unix
*fp = fopen((filename.c_str()), mode.c_str());
#endif
#ifdef SPDLOG_PREVENT_CHILD_FD
if (*fp != nullptr)
{
prevent_child_fd(*fp);
}
#endif
return *fp == nullptr;
}
inline int remove(const filename_t &filename) SPDLOG_NOEXCEPT
{
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
return _wremove(filename.c_str());
#else
return std::remove(filename.c_str());
#endif
}
inline int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT
{
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
return _wrename(filename1.c_str(), filename2.c_str());
#else
return std::rename(filename1.c_str(), filename2.c_str());
#endif
}
// Return if file exists
inline bool file_exists(const filename_t &filename) SPDLOG_NOEXCEPT
{
#ifdef _WIN32
#ifdef SPDLOG_WCHAR_FILENAMES
auto attribs = GetFileAttributesW(filename.c_str());
#else
auto attribs = GetFileAttributesA(filename.c_str());
#endif
return (attribs != INVALID_FILE_ATTRIBUTES && !(attribs & FILE_ATTRIBUTE_DIRECTORY));
#else // common linux/unix all have the stat system call
struct stat buffer;
return (stat(filename.c_str(), &buffer) == 0);
#endif
}
// Return file size according to open FILE* object
inline size_t filesize(FILE *f)
{
if (f == nullptr)
{
throw spdlog_ex("Failed getting file size. fd is null");
}
#if defined(_WIN32) && !defined(__CYGWIN__)
int fd = _fileno(f);
#if _WIN64 // 64 bits
__int64 ret = _filelengthi64(fd);
if (ret >= 0)
{
return static_cast<size_t>(ret);
}
#else // windows 32 bits
long ret = _filelength(fd);
if (ret >= 0)
{
return static_cast<size_t>(ret);
}
#endif
#else // unix
int fd = fileno(f);
// 64 bits(but not in osx or cygwin, where fstat64 is deprecated)
#if !defined(__FreeBSD__) && !defined(__APPLE__) && (defined(__x86_64__) || defined(__ppc64__)) && !defined(__CYGWIN__)
struct stat64 st;
if (fstat64(fd, &st) == 0)
{
return static_cast<size_t>(st.st_size);
}
#else // unix 32 bits or cygwin
struct stat st;
if (fstat(fd, &st) == 0)
{
return static_cast<size_t>(st.st_size);
}
#endif
#endif
throw spdlog_ex("Failed getting file size from fd", errno);
}
// Return utc offset in minutes or throw spdlog_ex on failure
inline int utc_minutes_offset(const std::tm &tm = details::os::localtime())
{
#ifdef _WIN32
#if _WIN32_WINNT < _WIN32_WINNT_WS08
TIME_ZONE_INFORMATION tzinfo;
auto rv = GetTimeZoneInformation(&tzinfo);
#else
DYNAMIC_TIME_ZONE_INFORMATION tzinfo;
auto rv = GetDynamicTimeZoneInformation(&tzinfo);
#endif
if (rv == TIME_ZONE_ID_INVALID)
throw spdlog::spdlog_ex("Failed getting timezone info. ", errno);
int offset = -tzinfo.Bias;
if (tm.tm_isdst)
{
offset -= tzinfo.DaylightBias;
}
else
{
offset -= tzinfo.StandardBias;
}
return offset;
#else
#if defined(sun) || defined(__sun) || defined(_AIX)
// 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris
struct helper
{
static long int calculate_gmt_offset(const std::tm &localtm = details::os::localtime(), const std::tm &gmtm = details::os::gmtime())
{
int local_year = localtm.tm_year + (1900 - 1);
int gmt_year = gmtm.tm_year + (1900 - 1);
long int days = (
// difference in day of year
localtm.tm_yday -
gmtm.tm_yday
// + intervening leap days
+ ((local_year >> 2) - (gmt_year >> 2)) - (local_year / 100 - gmt_year / 100) +
((local_year / 100 >> 2) - (gmt_year / 100 >> 2))
// + difference in years * 365 */
+ (long int)(local_year - gmt_year) * 365);
long int hours = (24 * days) + (localtm.tm_hour - gmtm.tm_hour);
long int mins = (60 * hours) + (localtm.tm_min - gmtm.tm_min);
long int secs = (60 * mins) + (localtm.tm_sec - gmtm.tm_sec);
return secs;
}
};
auto offset_seconds = helper::calculate_gmt_offset(tm);
#else
auto offset_seconds = tm.tm_gmtoff;
#endif
return static_cast<int>(offset_seconds / 60);
#endif
}
// Return current thread id as size_t
// It exists because the std::this_thread::get_id() is much slower(especially
// under VS 2013)
inline size_t _thread_id() SPDLOG_NOEXCEPT
{
#ifdef _WIN32
return static_cast<size_t>(::GetCurrentThreadId());
#elif __linux__
#if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21)
#define SYS_gettid __NR_gettid
#endif
return static_cast<size_t>(syscall(SYS_gettid));
#elif __FreeBSD__
long tid;
thr_self(&tid);
return static_cast<size_t>(tid);
#elif __APPLE__
uint64_t tid;
pthread_threadid_np(nullptr, &tid);
return static_cast<size_t>(tid);
#else // Default to standard C++11 (other Unix)
return static_cast<size_t>(std::hash<std::thread::id>()(std::this_thread::get_id()));
#endif
}
// Return current thread id as size_t (from thread local storage)
inline size_t thread_id() SPDLOG_NOEXCEPT
{
#if defined(SPDLOG_NO_TLS)
return _thread_id();
#else // cache thread id in tls
static thread_local const size_t tid = _thread_id();
return tid;
#endif
}
// This is avoid msvc issue in sleep_for that happens if the clock changes.
// See https://github.com/gabime/spdlog/issues/609
inline void sleep_for_millis(int milliseconds) SPDLOG_NOEXCEPT
{
#if defined(_WIN32)
::Sleep(milliseconds);
#else
std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds));
#endif
}
// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
#define SPDLOG_FILENAME_T(s) L##s
inline std::string filename_to_str(const filename_t &filename)
{
std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> c;
return c.to_bytes(filename);
}
#else
#define SPDLOG_FILENAME_T(s) s
inline std::string filename_to_str(const filename_t &filename)
{
return filename;
}
#endif
inline int pid()
{
#ifdef _WIN32
return static_cast<int>(::GetCurrentProcessId());
#else
return static_cast<int>(::getpid());
#endif
}
// Determine if the terminal supports colors
// Source: https://github.com/agauniyal/rang/
inline bool is_color_terminal() SPDLOG_NOEXCEPT
{
#ifdef _WIN32
return true;
#else
static constexpr const char *Terms[] = {
"ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm", "linux", "msys", "putty", "rxvt", "screen", "vt100", "xterm"};
const char *env_p = std::getenv("TERM");
if (env_p == nullptr)
{
return false;
}
static const bool result =
std::any_of(std::begin(Terms), std::end(Terms), [&](const char *term) { return std::strstr(env_p, term) != nullptr; });
return result;
#endif
}
// Detrmine if the terminal attached
// Source: https://github.com/agauniyal/rang/
inline bool in_terminal(FILE *file) SPDLOG_NOEXCEPT
{
#ifdef _WIN32
return _isatty(_fileno(file)) != 0;
#else
return isatty(fileno(file)) != 0;
#endif
}
} // namespace os
} // namespace details
} // namespace spdlog

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//
// Copyright(c) 2018 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
// periodic worker thread - periodically executes the given callback function.
//
// RAII over the owned thread:
// creates the thread on construction.
// stops and joins the thread on destruction (if the thread is executing a callback, wait for it to finish first).
#include <chrono>
#include <condition_variable>
#include <functional>
#include <mutex>
#include <thread>
namespace spdlog {
namespace details {
class periodic_worker
{
public:
periodic_worker(const std::function<void()> &callback_fun, std::chrono::seconds interval)
{
active_ = (interval > std::chrono::seconds::zero());
if (!active_)
{
return;
}
worker_thread_ = std::thread([this, callback_fun, interval]() {
for (;;)
{
std::unique_lock<std::mutex> lock(this->mutex_);
if (this->cv_.wait_for(lock, interval, [this] { return !this->active_; }))
{
return; // active_ == false, so exit this thread
}
callback_fun();
}
});
}
periodic_worker(const periodic_worker &) = delete;
periodic_worker &operator=(const periodic_worker &) = delete;
// stop the worker thread and join it
~periodic_worker()
{
if (worker_thread_.joinable())
{
{
std::lock_guard<std::mutex> lock(mutex_);
active_ = false;
}
cv_.notify_one();
worker_thread_.join();
}
}
private:
bool active_;
std::thread worker_thread_;
std::mutex mutex_;
std::condition_variable cv_;
};
} // namespace details
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
// Loggers registy of unique name->logger pointer
// An attempt to create a logger with an already existing name will be ignored
// If user requests a non existing logger, nullptr will be returned
// This class is thread safe
#include "spdlog/common.h"
#include "spdlog/details/periodic_worker.h"
#include "spdlog/logger.h"
#ifndef SPDLOG_DISABLE_DEFAULT_LOGGER
// support for the default stdout color logger
#ifdef _WIN32
#include "spdlog/sinks/wincolor_sink.h"
#else
#include "spdlog/sinks/ansicolor_sink.h"
#endif
#endif // SPDLOG_DISABLE_DEFAULT_LOGGER
#include <chrono>
#include <functional>
#include <memory>
#include <string>
#include <unordered_map>
namespace spdlog {
namespace details {
class thread_pool;
class registry
{
public:
registry(const registry &) = delete;
registry &operator=(const registry &) = delete;
void register_logger(std::shared_ptr<logger> new_logger)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
register_logger_(std::move(new_logger));
}
void initialize_logger(std::shared_ptr<logger> new_logger)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
new_logger->set_formatter(formatter_->clone());
if (err_handler_)
{
new_logger->set_error_handler(err_handler_);
}
new_logger->set_level(level_);
new_logger->flush_on(flush_level_);
if (automatic_registration_)
{
register_logger_(std::move(new_logger));
}
}
std::shared_ptr<logger> get(const std::string &logger_name)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
auto found = loggers_.find(logger_name);
return found == loggers_.end() ? nullptr : found->second;
}
std::shared_ptr<logger> default_logger()
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
return default_logger_;
}
// Return raw ptr to the default logger.
// To be used directly by the spdlog default api (e.g. spdlog::info)
// This make the default API faster, but cannot be used concurrently with set_default_logger().
// e.g do not call set_default_logger() from one thread while calling spdlog::info() from another.
logger *get_default_raw()
{
return default_logger_.get();
}
// set default logger.
// default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map.
void set_default_logger(std::shared_ptr<logger> new_default_logger)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
// remove previous default logger from the map
if (default_logger_ != nullptr)
{
loggers_.erase(default_logger_->name());
}
if (new_default_logger != nullptr)
{
loggers_[new_default_logger->name()] = new_default_logger;
}
default_logger_ = std::move(new_default_logger);
}
void set_tp(std::shared_ptr<thread_pool> tp)
{
std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
tp_ = std::move(tp);
}
std::shared_ptr<thread_pool> get_tp()
{
std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
return tp_;
}
// Set global formatter. Each sink in each logger will get a clone of this object
void set_formatter(std::unique_ptr<formatter> formatter)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
formatter_ = std::move(formatter);
for (auto &l : loggers_)
{
l.second->set_formatter(formatter_->clone());
}
}
void set_level(level::level_enum log_level)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->set_level(log_level);
}
level_ = log_level;
}
void flush_on(level::level_enum log_level)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->flush_on(log_level);
}
flush_level_ = log_level;
}
void flush_every(std::chrono::seconds interval)
{
std::lock_guard<std::mutex> lock(flusher_mutex_);
std::function<void()> clbk = std::bind(&registry::flush_all, this);
periodic_flusher_ = details::make_unique<periodic_worker>(clbk, interval);
}
void set_error_handler(log_err_handler handler)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->set_error_handler(handler);
}
err_handler_ = handler;
}
void apply_all(const std::function<void(const std::shared_ptr<logger>)> &fun)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
fun(l.second);
}
}
void flush_all()
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->flush();
}
}
void drop(const std::string &logger_name)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
loggers_.erase(logger_name);
if (default_logger_ && default_logger_->name() == logger_name)
{
default_logger_.reset();
}
}
void drop_all()
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
loggers_.clear();
default_logger_.reset();
}
// clean all resources and threads started by the registry
void shutdown()
{
{
std::lock_guard<std::mutex> lock(flusher_mutex_);
periodic_flusher_.reset();
}
drop_all();
{
std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
tp_.reset();
}
}
std::recursive_mutex &tp_mutex()
{
return tp_mutex_;
}
void set_automatic_registration(bool automatic_regsistration)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
automatic_registration_ = automatic_regsistration;
}
static registry &instance()
{
static registry s_instance;
return s_instance;
}
private:
registry()
: formatter_(new pattern_formatter())
{
#ifndef SPDLOG_DISABLE_DEFAULT_LOGGER
// create default logger (ansicolor_stdout_sink_mt or wincolor_stdout_sink_mt in windows).
#ifdef _WIN32
auto color_sink = std::make_shared<sinks::wincolor_stdout_sink_mt>();
#else
auto color_sink = std::make_shared<sinks::ansicolor_stdout_sink_mt>();
#endif
const char *default_logger_name = "";
default_logger_ = std::make_shared<spdlog::logger>(default_logger_name, std::move(color_sink));
loggers_[default_logger_name] = default_logger_;
#endif // SPDLOG_DISABLE_DEFAULT_LOGGER
}
~registry() = default;
void throw_if_exists_(const std::string &logger_name)
{
if (loggers_.find(logger_name) != loggers_.end())
{
throw spdlog_ex("logger with name '" + logger_name + "' already exists");
}
}
void register_logger_(std::shared_ptr<logger> new_logger)
{
auto logger_name = new_logger->name();
throw_if_exists_(logger_name);
loggers_[logger_name] = std::move(new_logger);
}
std::mutex logger_map_mutex_, flusher_mutex_;
std::recursive_mutex tp_mutex_;
std::unordered_map<std::string, std::shared_ptr<logger>> loggers_;
std::unique_ptr<formatter> formatter_;
level::level_enum level_ = spdlog::logger::default_level();
level::level_enum flush_level_ = level::off;
log_err_handler err_handler_;
std::shared_ptr<thread_pool> tp_;
std::unique_ptr<periodic_worker> periodic_flusher_;
std::shared_ptr<logger> default_logger_;
bool automatic_registration_ = true;
};
} // namespace details
} // namespace spdlog

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#pragma once
#include "spdlog/details/fmt_helper.h"
#include "spdlog/details/log_msg.h"
#include "spdlog/details/mpmc_blocking_q.h"
#include "spdlog/details/os.h"
#include <chrono>
#include <memory>
#include <thread>
#include <vector>
namespace spdlog {
namespace details {
using async_logger_ptr = std::shared_ptr<spdlog::async_logger>;
enum class async_msg_type
{
log,
flush,
terminate
};
// Async msg to move to/from the queue
// Movable only. should never be copied
struct async_msg
{
async_msg_type msg_type;
level::level_enum level;
log_clock::time_point time;
size_t thread_id;
fmt::basic_memory_buffer<char, 176> raw;
size_t msg_id;
source_loc source;
async_logger_ptr worker_ptr;
async_msg() = default;
~async_msg() = default;
// should only be moved in or out of the queue..
async_msg(const async_msg &) = delete;
// support for vs2013 move
#if defined(_MSC_VER) && _MSC_VER <= 1800
async_msg(async_msg &&other) SPDLOG_NOEXCEPT : msg_type(other.msg_type),
level(other.level),
time(other.time),
thread_id(other.thread_id),
raw(move(other.raw)),
msg_id(other.msg_id),
source(other.source),
worker_ptr(std::move(other.worker_ptr))
{
}
async_msg &operator=(async_msg &&other) SPDLOG_NOEXCEPT
{
msg_type = other.msg_type;
level = other.level;
time = other.time;
thread_id = other.thread_id;
raw = std::move(other.raw);
msg_id = other.msg_id;
source = other.source;
worker_ptr = std::move(other.worker_ptr);
return *this;
}
#else // (_MSC_VER) && _MSC_VER <= 1800
async_msg(async_msg &&) = default;
async_msg &operator=(async_msg &&) = default;
#endif
// construct from log_msg with given type
async_msg(async_logger_ptr &&worker, async_msg_type the_type, details::log_msg &m)
: msg_type(the_type)
, level(m.level)
, time(m.time)
, thread_id(m.thread_id)
, msg_id(m.msg_id)
, source(m.source)
, worker_ptr(std::move(worker))
{
fmt_helper::append_string_view(m.payload, raw);
}
async_msg(async_logger_ptr &&worker, async_msg_type the_type)
: msg_type(the_type)
, level(level::off)
, time()
, thread_id(0)
, msg_id(0)
, source()
, worker_ptr(std::move(worker))
{
}
explicit async_msg(async_msg_type the_type)
: async_msg(nullptr, the_type)
{
}
// copy into log_msg
log_msg to_log_msg()
{
log_msg msg(&worker_ptr->name(), level, string_view_t(raw.data(), raw.size()));
msg.time = time;
msg.thread_id = thread_id;
msg.msg_id = msg_id;
msg.source = source;
msg.color_range_start = 0;
msg.color_range_end = 0;
return msg;
}
};
class thread_pool
{
public:
using item_type = async_msg;
using q_type = details::mpmc_blocking_queue<item_type>;
thread_pool(size_t q_max_items, size_t threads_n)
: q_(q_max_items)
{
// std::cout << "thread_pool() q_size_bytes: " << q_size_bytes <<
// "\tthreads_n: " << threads_n << std::endl;
if (threads_n == 0 || threads_n > 1000)
{
throw spdlog_ex("spdlog::thread_pool(): invalid threads_n param (valid "
"range is 1-1000)");
}
for (size_t i = 0; i < threads_n; i++)
{
threads_.emplace_back(&thread_pool::worker_loop_, this);
}
}
// message all threads to terminate gracefully join them
~thread_pool()
{
try
{
for (size_t i = 0; i < threads_.size(); i++)
{
post_async_msg_(async_msg(async_msg_type::terminate), async_overflow_policy::block);
}
for (auto &t : threads_)
{
t.join();
}
}
catch (...)
{
}
}
thread_pool(const thread_pool &) = delete;
thread_pool &operator=(thread_pool &&) = delete;
void post_log(async_logger_ptr &&worker_ptr, details::log_msg &msg, async_overflow_policy overflow_policy)
{
async_msg async_m(std::move(worker_ptr), async_msg_type::log, msg);
post_async_msg_(std::move(async_m), overflow_policy);
}
void post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy)
{
post_async_msg_(async_msg(std::move(worker_ptr), async_msg_type::flush), overflow_policy);
}
size_t overrun_counter()
{
return q_.overrun_counter();
}
private:
q_type q_;
std::vector<std::thread> threads_;
void post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy)
{
if (overflow_policy == async_overflow_policy::block)
{
q_.enqueue(std::move(new_msg));
}
else
{
q_.enqueue_nowait(std::move(new_msg));
}
}
void worker_loop_()
{
while (process_next_msg_()) {};
}
// process next message in the queue
// return true if this thread should still be active (while no terminate msg
// was received)
bool process_next_msg_()
{
async_msg incoming_async_msg;
bool dequeued = q_.dequeue_for(incoming_async_msg, std::chrono::seconds(10));
if (!dequeued)
{
return true;
}
switch (incoming_async_msg.msg_type)
{
case async_msg_type::log:
{
auto msg = incoming_async_msg.to_log_msg();
incoming_async_msg.worker_ptr->backend_log_(msg);
return true;
}
case async_msg_type::flush:
{
incoming_async_msg.worker_ptr->backend_flush_();
return true;
}
case async_msg_type::terminate:
{
return false;
}
}
assert(false && "Unexpected async_msg_type");
return true;
}
};
} // namespace details
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
//
// Support for logging binary data as hex
// format flags:
// {:X} - print in uppercase.
// {:s} - don't separate each byte with space.
// {:p} - don't print the position on each line start.
// {:n} - don't split the output to lines.
//
// Examples:
//
// std::vector<char> v(200, 0x0b);
// logger->info("Some buffer {}", spdlog::to_hex(v));
// char buf[128];
// logger->info("Some buffer {:X}", spdlog::to_hex(std::begin(buf), std::end(buf)));
namespace spdlog {
namespace details {
template<typename It>
class bytes_range
{
public:
bytes_range(It range_begin, It range_end)
: begin_(range_begin)
, end_(range_end)
{
}
It begin() const
{
return begin_;
}
It end() const
{
return end_;
}
private:
It begin_, end_;
};
} // namespace details
// create a bytes_range that wraps the given container
template<typename Container>
inline details::bytes_range<typename Container::const_iterator> to_hex(const Container &container)
{
static_assert(sizeof(typename Container::value_type) == 1, "sizeof(Container::value_type) != 1");
using Iter = typename Container::const_iterator;
return details::bytes_range<Iter>(std::begin(container), std::end(container));
}
// create bytes_range from ranges
template<typename It>
inline details::bytes_range<It> to_hex(const It range_begin, const It range_end)
{
return details::bytes_range<It>(range_begin, range_end);
}
} // namespace spdlog
namespace fmt {
template<typename T>
struct formatter<spdlog::details::bytes_range<T>>
{
const std::size_t line_size = 100;
const char delimiter = ' ';
bool put_newlines = true;
bool put_delimiters = true;
bool use_uppercase = false;
bool put_positions = true; // position on start of each line
// parse the format string flags
template<typename ParseContext>
auto parse(ParseContext &ctx) -> decltype(ctx.begin())
{
auto it = ctx.begin();
while (*it && *it != '}')
{
switch (*it)
{
case 'X':
use_uppercase = true;
break;
case 's':
put_delimiters = false;
break;
case 'p':
put_positions = false;
break;
case 'n':
put_newlines = false;
break;
}
++it;
}
return it;
}
// format the given bytes range as hex
template<typename FormatContext, typename Container>
auto format(const spdlog::details::bytes_range<Container> &the_range, FormatContext &ctx) -> decltype(ctx.out())
{
SPDLOG_CONSTEXPR const char *hex_upper = "0123456789ABCDEF";
SPDLOG_CONSTEXPR const char *hex_lower = "0123456789abcdef";
const char *hex_chars = use_uppercase ? hex_upper : hex_lower;
std::size_t pos = 0;
std::size_t column = line_size;
auto inserter = ctx.begin();
for (auto &item : the_range)
{
auto ch = static_cast<unsigned char>(item);
pos++;
if (put_newlines && column >= line_size)
{
column = put_newline(inserter, pos);
// put first byte without delimiter in front of it
*inserter++ = hex_chars[(ch >> 4) & 0x0f];
*inserter++ = hex_chars[ch & 0x0f];
column += 2;
continue;
}
if (put_delimiters)
{
*inserter++ = delimiter;
++column;
}
*inserter++ = hex_chars[(ch >> 4) & 0x0f];
*inserter++ = hex_chars[ch & 0x0f];
column += 2;
}
return inserter;
}
// put newline(and position header)
// return the next column
template<typename It>
std::size_t put_newline(It inserter, std::size_t pos)
{
#ifdef _WIN32
*inserter++ = '\r';
#endif
*inserter++ = '\n';
if (put_positions)
{
fmt::format_to(inserter, "{:<04X}: ", pos - 1);
return 7;
}
else
{
return 1;
}
}
};
} // namespace fmt

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Copyright (c) 2012 - 2016, Victor Zverovich
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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// Formatting library for C++ - chrono support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_CHRONO_H_
#define FMT_CHRONO_H_
#include "format.h"
#include "locale.h"
#include <chrono>
#include <ctime>
#include <locale>
#include <sstream>
FMT_BEGIN_NAMESPACE
namespace internal{
enum class numeric_system {
standard,
// Alternative numeric system, e.g. 十二 instead of 12 in ja_JP locale.
alternative
};
// Parses a put_time-like format string and invokes handler actions.
template <typename Char, typename Handler>
FMT_CONSTEXPR const Char *parse_chrono_format(
const Char *begin, const Char *end, Handler &&handler) {
auto ptr = begin;
while (ptr != end) {
auto c = *ptr;
if (c == '}') break;
if (c != '%') {
++ptr;
continue;
}
if (begin != ptr)
handler.on_text(begin, ptr);
++ptr; // consume '%'
if (ptr == end)
throw format_error("invalid format");
c = *ptr++;
switch (c) {
case '%':
handler.on_text(ptr - 1, ptr);
break;
case 'n': {
const char newline[] = "\n";
handler.on_text(newline, newline + 1);
break;
}
case 't': {
const char tab[] = "\t";
handler.on_text(tab, tab + 1);
break;
}
// Day of the week:
case 'a':
handler.on_abbr_weekday();
break;
case 'A':
handler.on_full_weekday();
break;
case 'w':
handler.on_dec0_weekday(numeric_system::standard);
break;
case 'u':
handler.on_dec1_weekday(numeric_system::standard);
break;
// Month:
case 'b':
handler.on_abbr_month();
break;
case 'B':
handler.on_full_month();
break;
// Hour, minute, second:
case 'H':
handler.on_24_hour(numeric_system::standard);
break;
case 'I':
handler.on_12_hour(numeric_system::standard);
break;
case 'M':
handler.on_minute(numeric_system::standard);
break;
case 'S':
handler.on_second(numeric_system::standard);
break;
// Other:
case 'c':
handler.on_datetime(numeric_system::standard);
break;
case 'x':
handler.on_loc_date(numeric_system::standard);
break;
case 'X':
handler.on_loc_time(numeric_system::standard);
break;
case 'D':
handler.on_us_date();
break;
case 'F':
handler.on_iso_date();
break;
case 'r':
handler.on_12_hour_time();
break;
case 'R':
handler.on_24_hour_time();
break;
case 'T':
handler.on_iso_time();
break;
case 'p':
handler.on_am_pm();
break;
case 'z':
handler.on_utc_offset();
break;
case 'Z':
handler.on_tz_name();
break;
// Alternative representation:
case 'E': {
if (ptr == end)
throw format_error("invalid format");
c = *ptr++;
switch (c) {
case 'c':
handler.on_datetime(numeric_system::alternative);
break;
case 'x':
handler.on_loc_date(numeric_system::alternative);
break;
case 'X':
handler.on_loc_time(numeric_system::alternative);
break;
default:
throw format_error("invalid format");
}
break;
}
case 'O':
if (ptr == end)
throw format_error("invalid format");
c = *ptr++;
switch (c) {
case 'w':
handler.on_dec0_weekday(numeric_system::alternative);
break;
case 'u':
handler.on_dec1_weekday(numeric_system::alternative);
break;
case 'H':
handler.on_24_hour(numeric_system::alternative);
break;
case 'I':
handler.on_12_hour(numeric_system::alternative);
break;
case 'M':
handler.on_minute(numeric_system::alternative);
break;
case 'S':
handler.on_second(numeric_system::alternative);
break;
default:
throw format_error("invalid format");
}
break;
default:
throw format_error("invalid format");
}
begin = ptr;
}
if (begin != ptr)
handler.on_text(begin, ptr);
return ptr;
}
struct chrono_format_checker {
void report_no_date() { throw format_error("no date"); }
template <typename Char>
void on_text(const Char *, const Char *) {}
void on_abbr_weekday() { report_no_date(); }
void on_full_weekday() { report_no_date(); }
void on_dec0_weekday(numeric_system) { report_no_date(); }
void on_dec1_weekday(numeric_system) { report_no_date(); }
void on_abbr_month() { report_no_date(); }
void on_full_month() { report_no_date(); }
void on_24_hour(numeric_system) {}
void on_12_hour(numeric_system) {}
void on_minute(numeric_system) {}
void on_second(numeric_system) {}
void on_datetime(numeric_system) { report_no_date(); }
void on_loc_date(numeric_system) { report_no_date(); }
void on_loc_time(numeric_system) { report_no_date(); }
void on_us_date() { report_no_date(); }
void on_iso_date() { report_no_date(); }
void on_12_hour_time() {}
void on_24_hour_time() {}
void on_iso_time() {}
void on_am_pm() {}
void on_utc_offset() { report_no_date(); }
void on_tz_name() { report_no_date(); }
};
template <typename Int>
inline int to_int(Int value) {
FMT_ASSERT(value >= (std::numeric_limits<int>::min)() &&
value <= (std::numeric_limits<int>::max)(), "invalid value");
return static_cast<int>(value);
}
template <typename FormatContext, typename OutputIt>
struct chrono_formatter {
FormatContext &context;
OutputIt out;
std::chrono::seconds s;
std::chrono::milliseconds ms;
typedef typename FormatContext::char_type char_type;
explicit chrono_formatter(FormatContext &ctx, OutputIt o)
: context(ctx), out(o) {}
int hour() const { return to_int((s.count() / 3600) % 24); }
int hour12() const {
auto hour = to_int((s.count() / 3600) % 12);
return hour > 0 ? hour : 12;
}
int minute() const { return to_int((s.count() / 60) % 60); }
int second() const { return to_int(s.count() % 60); }
std::tm time() const {
auto time = std::tm();
time.tm_hour = hour();
time.tm_min = minute();
time.tm_sec = second();
return time;
}
void write(int value, int width) {
typedef typename int_traits<int>::main_type main_type;
main_type n = to_unsigned(value);
int num_digits = internal::count_digits(n);
if (width > num_digits)
out = std::fill_n(out, width - num_digits, '0');
out = format_decimal<char_type>(out, n, num_digits);
}
void format_localized(const tm &time, const char *format) {
auto locale = context.locale().template get<std::locale>();
auto &facet = std::use_facet<std::time_put<char_type>>(locale);
std::basic_ostringstream<char_type> os;
os.imbue(locale);
facet.put(os, os, ' ', &time, format, format + std::strlen(format));
auto str = os.str();
std::copy(str.begin(), str.end(), out);
}
void on_text(const char_type *begin, const char_type *end) {
std::copy(begin, end, out);
}
// These are not implemented because durations don't have date information.
void on_abbr_weekday() {}
void on_full_weekday() {}
void on_dec0_weekday(numeric_system) {}
void on_dec1_weekday(numeric_system) {}
void on_abbr_month() {}
void on_full_month() {}
void on_datetime(numeric_system) {}
void on_loc_date(numeric_system) {}
void on_loc_time(numeric_system) {}
void on_us_date() {}
void on_iso_date() {}
void on_utc_offset() {}
void on_tz_name() {}
void on_24_hour(numeric_system ns) {
if (ns == numeric_system::standard)
return write(hour(), 2);
auto time = tm();
time.tm_hour = hour();
format_localized(time, "%OH");
}
void on_12_hour(numeric_system ns) {
if (ns == numeric_system::standard)
return write(hour12(), 2);
auto time = tm();
time.tm_hour = hour();
format_localized(time, "%OI");
}
void on_minute(numeric_system ns) {
if (ns == numeric_system::standard)
return write(minute(), 2);
auto time = tm();
time.tm_min = minute();
format_localized(time, "%OM");
}
void on_second(numeric_system ns) {
if (ns == numeric_system::standard) {
write(second(), 2);
if (ms != std::chrono::milliseconds(0)) {
*out++ = '.';
write(to_int(ms.count()), 3);
}
return;
}
auto time = tm();
time.tm_sec = second();
format_localized(time, "%OS");
}
void on_12_hour_time() { format_localized(time(), "%r"); }
void on_24_hour_time() {
write(hour(), 2);
*out++ = ':';
write(minute(), 2);
}
void on_iso_time() {
on_24_hour_time();
*out++ = ':';
write(second(), 2);
}
void on_am_pm() { format_localized(time(), "%p"); }
};
} // namespace internal
template <typename Period> FMT_CONSTEXPR const char *get_units() {
return FMT_NULL;
}
template <> FMT_CONSTEXPR const char *get_units<std::atto>() { return "as"; }
template <> FMT_CONSTEXPR const char *get_units<std::femto>() { return "fs"; }
template <> FMT_CONSTEXPR const char *get_units<std::pico>() { return "ps"; }
template <> FMT_CONSTEXPR const char *get_units<std::nano>() { return "ns"; }
template <> FMT_CONSTEXPR const char *get_units<std::micro>() { return "µs"; }
template <> FMT_CONSTEXPR const char *get_units<std::milli>() { return "ms"; }
template <> FMT_CONSTEXPR const char *get_units<std::centi>() { return "cs"; }
template <> FMT_CONSTEXPR const char *get_units<std::deci>() { return "ds"; }
template <> FMT_CONSTEXPR const char *get_units<std::ratio<1>>() { return "s"; }
template <> FMT_CONSTEXPR const char *get_units<std::deca>() { return "das"; }
template <> FMT_CONSTEXPR const char *get_units<std::hecto>() { return "hs"; }
template <> FMT_CONSTEXPR const char *get_units<std::kilo>() { return "ks"; }
template <> FMT_CONSTEXPR const char *get_units<std::mega>() { return "Ms"; }
template <> FMT_CONSTEXPR const char *get_units<std::giga>() { return "Gs"; }
template <> FMT_CONSTEXPR const char *get_units<std::tera>() { return "Ts"; }
template <> FMT_CONSTEXPR const char *get_units<std::peta>() { return "Ps"; }
template <> FMT_CONSTEXPR const char *get_units<std::exa>() { return "Es"; }
template <> FMT_CONSTEXPR const char *get_units<std::ratio<60>>() {
return "m";
}
template <> FMT_CONSTEXPR const char *get_units<std::ratio<3600>>() {
return "h";
}
template <typename Rep, typename Period, typename Char>
struct formatter<std::chrono::duration<Rep, Period>, Char> {
private:
align_spec spec;
internal::arg_ref<Char> width_ref;
mutable basic_string_view<Char> format_str;
typedef std::chrono::duration<Rep, Period> duration;
struct spec_handler {
formatter &f;
basic_parse_context<Char> &context;
typedef internal::arg_ref<Char> arg_ref_type;
template <typename Id>
FMT_CONSTEXPR arg_ref_type make_arg_ref(Id arg_id) {
context.check_arg_id(arg_id);
return arg_ref_type(arg_id);
}
FMT_CONSTEXPR arg_ref_type make_arg_ref(internal::auto_id) {
return arg_ref_type(context.next_arg_id());
}
void on_error(const char *msg) { throw format_error(msg); }
void on_fill(Char fill) { f.spec.fill_ = fill; }
void on_align(alignment align) { f.spec.align_ = align; }
void on_width(unsigned width) { f.spec.width_ = width; }
template <typename Id>
void on_dynamic_width(Id arg_id) {
f.width_ref = make_arg_ref(arg_id);
}
};
public:
formatter() : spec() {}
FMT_CONSTEXPR auto parse(basic_parse_context<Char> &ctx)
-> decltype(ctx.begin()) {
auto begin = ctx.begin(), end = ctx.end();
if (begin == end) return begin;
spec_handler handler{*this, ctx};
begin = internal::parse_align(begin, end, handler);
if (begin == end) return begin;
begin = internal::parse_width(begin, end, handler);
end = parse_chrono_format(begin, end, internal::chrono_format_checker());
format_str = basic_string_view<Char>(&*begin, internal::to_unsigned(end - begin));
return end;
}
template <typename FormatContext>
auto format(const duration &d, FormatContext &ctx)
-> decltype(ctx.out()) {
auto begin = format_str.begin(), end = format_str.end();
memory_buffer buf;
typedef output_range<decltype(ctx.out()), Char> range;
basic_writer<range> w(range(ctx.out()));
if (begin == end || *begin == '}') {
if (const char *unit = get_units<Period>())
format_to(buf, "{}{}", d.count(), unit);
else if (Period::den == 1)
format_to(buf, "{}[{}]s", d.count(), Period::num);
else
format_to(buf, "{}[{}/{}]s", d.count(), Period::num, Period::den);
internal::handle_dynamic_spec<internal::width_checker>(
spec.width_, width_ref, ctx);
} else {
auto out = std::back_inserter(buf);
internal::chrono_formatter<FormatContext, decltype(out)> f(ctx, out);
f.s = std::chrono::duration_cast<std::chrono::seconds>(d);
f.ms = std::chrono::duration_cast<std::chrono::milliseconds>(d - f.s);
parse_chrono_format(begin, end, f);
}
w.write(buf.data(), buf.size(), spec);
return w.out();
}
};
FMT_END_NAMESPACE
#endif // FMT_CHRONO_H_

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// Formatting library for C++ - color support
//
// Copyright (c) 2018 - present, Victor Zverovich and fmt contributors
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_COLOR_H_
#define FMT_COLOR_H_
#include "format.h"
FMT_BEGIN_NAMESPACE
#ifdef FMT_DEPRECATED_COLORS
// color and (v)print_colored are deprecated.
enum color { black, red, green, yellow, blue, magenta, cyan, white };
FMT_API void vprint_colored(color c, string_view format, format_args args);
FMT_API void vprint_colored(color c, wstring_view format, wformat_args args);
template <typename... Args>
inline void print_colored(color c, string_view format_str,
const Args & ... args) {
vprint_colored(c, format_str, make_format_args(args...));
}
template <typename... Args>
inline void print_colored(color c, wstring_view format_str,
const Args & ... args) {
vprint_colored(c, format_str, make_format_args<wformat_context>(args...));
}
inline void vprint_colored(color c, string_view format, format_args args) {
char escape[] = "\x1b[30m";
escape[3] = static_cast<char>('0' + c);
std::fputs(escape, stdout);
vprint(format, args);
std::fputs(internal::data::RESET_COLOR, stdout);
}
inline void vprint_colored(color c, wstring_view format, wformat_args args) {
wchar_t escape[] = L"\x1b[30m";
escape[3] = static_cast<wchar_t>('0' + c);
std::fputws(escape, stdout);
vprint(format, args);
std::fputws(internal::data::WRESET_COLOR, stdout);
}
#else
enum class color : uint32_t {
alice_blue = 0xF0F8FF, // rgb(240,248,255)
antique_white = 0xFAEBD7, // rgb(250,235,215)
aqua = 0x00FFFF, // rgb(0,255,255)
aquamarine = 0x7FFFD4, // rgb(127,255,212)
azure = 0xF0FFFF, // rgb(240,255,255)
beige = 0xF5F5DC, // rgb(245,245,220)
bisque = 0xFFE4C4, // rgb(255,228,196)
black = 0x000000, // rgb(0,0,0)
blanched_almond = 0xFFEBCD, // rgb(255,235,205)
blue = 0x0000FF, // rgb(0,0,255)
blue_violet = 0x8A2BE2, // rgb(138,43,226)
brown = 0xA52A2A, // rgb(165,42,42)
burly_wood = 0xDEB887, // rgb(222,184,135)
cadet_blue = 0x5F9EA0, // rgb(95,158,160)
chartreuse = 0x7FFF00, // rgb(127,255,0)
chocolate = 0xD2691E, // rgb(210,105,30)
coral = 0xFF7F50, // rgb(255,127,80)
cornflower_blue = 0x6495ED, // rgb(100,149,237)
cornsilk = 0xFFF8DC, // rgb(255,248,220)
crimson = 0xDC143C, // rgb(220,20,60)
cyan = 0x00FFFF, // rgb(0,255,255)
dark_blue = 0x00008B, // rgb(0,0,139)
dark_cyan = 0x008B8B, // rgb(0,139,139)
dark_golden_rod = 0xB8860B, // rgb(184,134,11)
dark_gray = 0xA9A9A9, // rgb(169,169,169)
dark_green = 0x006400, // rgb(0,100,0)
dark_khaki = 0xBDB76B, // rgb(189,183,107)
dark_magenta = 0x8B008B, // rgb(139,0,139)
dark_olive_green = 0x556B2F, // rgb(85,107,47)
dark_orange = 0xFF8C00, // rgb(255,140,0)
dark_orchid = 0x9932CC, // rgb(153,50,204)
dark_red = 0x8B0000, // rgb(139,0,0)
dark_salmon = 0xE9967A, // rgb(233,150,122)
dark_sea_green = 0x8FBC8F, // rgb(143,188,143)
dark_slate_blue = 0x483D8B, // rgb(72,61,139)
dark_slate_gray = 0x2F4F4F, // rgb(47,79,79)
dark_turquoise = 0x00CED1, // rgb(0,206,209)
dark_violet = 0x9400D3, // rgb(148,0,211)
deep_pink = 0xFF1493, // rgb(255,20,147)
deep_sky_blue = 0x00BFFF, // rgb(0,191,255)
dim_gray = 0x696969, // rgb(105,105,105)
dodger_blue = 0x1E90FF, // rgb(30,144,255)
fire_brick = 0xB22222, // rgb(178,34,34)
floral_white = 0xFFFAF0, // rgb(255,250,240)
forest_green = 0x228B22, // rgb(34,139,34)
fuchsia = 0xFF00FF, // rgb(255,0,255)
gainsboro = 0xDCDCDC, // rgb(220,220,220)
ghost_white = 0xF8F8FF, // rgb(248,248,255)
gold = 0xFFD700, // rgb(255,215,0)
golden_rod = 0xDAA520, // rgb(218,165,32)
gray = 0x808080, // rgb(128,128,128)
green = 0x008000, // rgb(0,128,0)
green_yellow = 0xADFF2F, // rgb(173,255,47)
honey_dew = 0xF0FFF0, // rgb(240,255,240)
hot_pink = 0xFF69B4, // rgb(255,105,180)
indian_red = 0xCD5C5C, // rgb(205,92,92)
indigo = 0x4B0082, // rgb(75,0,130)
ivory = 0xFFFFF0, // rgb(255,255,240)
khaki = 0xF0E68C, // rgb(240,230,140)
lavender = 0xE6E6FA, // rgb(230,230,250)
lavender_blush = 0xFFF0F5, // rgb(255,240,245)
lawn_green = 0x7CFC00, // rgb(124,252,0)
lemon_chiffon = 0xFFFACD, // rgb(255,250,205)
light_blue = 0xADD8E6, // rgb(173,216,230)
light_coral = 0xF08080, // rgb(240,128,128)
light_cyan = 0xE0FFFF, // rgb(224,255,255)
light_golden_rod_yellow = 0xFAFAD2, // rgb(250,250,210)
light_gray = 0xD3D3D3, // rgb(211,211,211)
light_green = 0x90EE90, // rgb(144,238,144)
light_pink = 0xFFB6C1, // rgb(255,182,193)
light_salmon = 0xFFA07A, // rgb(255,160,122)
light_sea_green = 0x20B2AA, // rgb(32,178,170)
light_sky_blue = 0x87CEFA, // rgb(135,206,250)
light_slate_gray = 0x778899, // rgb(119,136,153)
light_steel_blue = 0xB0C4DE, // rgb(176,196,222)
light_yellow = 0xFFFFE0, // rgb(255,255,224)
lime = 0x00FF00, // rgb(0,255,0)
lime_green = 0x32CD32, // rgb(50,205,50)
linen = 0xFAF0E6, // rgb(250,240,230)
magenta = 0xFF00FF, // rgb(255,0,255)
maroon = 0x800000, // rgb(128,0,0)
medium_aquamarine = 0x66CDAA, // rgb(102,205,170)
medium_blue = 0x0000CD, // rgb(0,0,205)
medium_orchid = 0xBA55D3, // rgb(186,85,211)
medium_purple = 0x9370DB, // rgb(147,112,219)
medium_sea_green = 0x3CB371, // rgb(60,179,113)
medium_slate_blue = 0x7B68EE, // rgb(123,104,238)
medium_spring_green = 0x00FA9A, // rgb(0,250,154)
medium_turquoise = 0x48D1CC, // rgb(72,209,204)
medium_violet_red = 0xC71585, // rgb(199,21,133)
midnight_blue = 0x191970, // rgb(25,25,112)
mint_cream = 0xF5FFFA, // rgb(245,255,250)
misty_rose = 0xFFE4E1, // rgb(255,228,225)
moccasin = 0xFFE4B5, // rgb(255,228,181)
navajo_white = 0xFFDEAD, // rgb(255,222,173)
navy = 0x000080, // rgb(0,0,128)
old_lace = 0xFDF5E6, // rgb(253,245,230)
olive = 0x808000, // rgb(128,128,0)
olive_drab = 0x6B8E23, // rgb(107,142,35)
orange = 0xFFA500, // rgb(255,165,0)
orange_red = 0xFF4500, // rgb(255,69,0)
orchid = 0xDA70D6, // rgb(218,112,214)
pale_golden_rod = 0xEEE8AA, // rgb(238,232,170)
pale_green = 0x98FB98, // rgb(152,251,152)
pale_turquoise = 0xAFEEEE, // rgb(175,238,238)
pale_violet_red = 0xDB7093, // rgb(219,112,147)
papaya_whip = 0xFFEFD5, // rgb(255,239,213)
peach_puff = 0xFFDAB9, // rgb(255,218,185)
peru = 0xCD853F, // rgb(205,133,63)
pink = 0xFFC0CB, // rgb(255,192,203)
plum = 0xDDA0DD, // rgb(221,160,221)
powder_blue = 0xB0E0E6, // rgb(176,224,230)
purple = 0x800080, // rgb(128,0,128)
rebecca_purple = 0x663399, // rgb(102,51,153)
red = 0xFF0000, // rgb(255,0,0)
rosy_brown = 0xBC8F8F, // rgb(188,143,143)
royal_blue = 0x4169E1, // rgb(65,105,225)
saddle_brown = 0x8B4513, // rgb(139,69,19)
salmon = 0xFA8072, // rgb(250,128,114)
sandy_brown = 0xF4A460, // rgb(244,164,96)
sea_green = 0x2E8B57, // rgb(46,139,87)
sea_shell = 0xFFF5EE, // rgb(255,245,238)
sienna = 0xA0522D, // rgb(160,82,45)
silver = 0xC0C0C0, // rgb(192,192,192)
sky_blue = 0x87CEEB, // rgb(135,206,235)
slate_blue = 0x6A5ACD, // rgb(106,90,205)
slate_gray = 0x708090, // rgb(112,128,144)
snow = 0xFFFAFA, // rgb(255,250,250)
spring_green = 0x00FF7F, // rgb(0,255,127)
steel_blue = 0x4682B4, // rgb(70,130,180)
tan = 0xD2B48C, // rgb(210,180,140)
teal = 0x008080, // rgb(0,128,128)
thistle = 0xD8BFD8, // rgb(216,191,216)
tomato = 0xFF6347, // rgb(255,99,71)
turquoise = 0x40E0D0, // rgb(64,224,208)
violet = 0xEE82EE, // rgb(238,130,238)
wheat = 0xF5DEB3, // rgb(245,222,179)
white = 0xFFFFFF, // rgb(255,255,255)
white_smoke = 0xF5F5F5, // rgb(245,245,245)
yellow = 0xFFFF00, // rgb(255,255,0)
yellow_green = 0x9ACD32 // rgb(154,205,50)
}; // enum class color
enum class terminal_color : uint8_t {
black = 30,
red,
green,
yellow,
blue,
magenta,
cyan,
white,
bright_black = 90,
bright_red,
bright_green,
bright_yellow,
bright_blue,
bright_magenta,
bright_cyan,
bright_white
}; // enum class terminal_color
enum class emphasis : uint8_t {
bold = 1,
italic = 1 << 1,
underline = 1 << 2,
strikethrough = 1 << 3
}; // enum class emphasis
// rgb is a struct for red, green and blue colors.
// We use rgb as name because some editors will show it as color direct in the
// editor.
struct rgb {
FMT_CONSTEXPR_DECL rgb() : r(0), g(0), b(0) {}
FMT_CONSTEXPR_DECL rgb(uint8_t r_, uint8_t g_, uint8_t b_)
: r(r_), g(g_), b(b_) {}
FMT_CONSTEXPR_DECL rgb(uint32_t hex)
: r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b((hex) & 0xFF) {}
FMT_CONSTEXPR_DECL rgb(color hex)
: r((uint32_t(hex) >> 16) & 0xFF), g((uint32_t(hex) >> 8) & 0xFF),
b(uint32_t(hex) & 0xFF) {}
uint8_t r;
uint8_t g;
uint8_t b;
};
namespace internal {
// color is a struct of either a rgb color or a terminal color.
struct color_type {
FMT_CONSTEXPR color_type() FMT_NOEXCEPT
: is_rgb(), value{} {}
FMT_CONSTEXPR color_type(color rgb_color) FMT_NOEXCEPT
: is_rgb(true), value{} {
value.rgb_color = static_cast<uint32_t>(rgb_color);
}
FMT_CONSTEXPR color_type(rgb rgb_color) FMT_NOEXCEPT
: is_rgb(true), value{} {
value.rgb_color = (static_cast<uint32_t>(rgb_color.r) << 16)
| (static_cast<uint32_t>(rgb_color.g) << 8) | rgb_color.b;
}
FMT_CONSTEXPR color_type(terminal_color term_color) FMT_NOEXCEPT
: is_rgb(), value{} {
value.term_color = static_cast<uint8_t>(term_color);
}
bool is_rgb;
union color_union {
uint8_t term_color;
uint32_t rgb_color;
} value;
};
} // namespace internal
// Experimental text formatting support.
class text_style {
public:
FMT_CONSTEXPR text_style(emphasis em = emphasis()) FMT_NOEXCEPT
: set_foreground_color(), set_background_color(), ems(em) {}
FMT_CONSTEXPR text_style &operator|=(const text_style &rhs) {
if (!set_foreground_color) {
set_foreground_color = rhs.set_foreground_color;
foreground_color = rhs.foreground_color;
} else if (rhs.set_foreground_color) {
if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb)
throw format_error("can't OR a terminal color");
foreground_color.value.rgb_color |= rhs.foreground_color.value.rgb_color;
}
if (!set_background_color) {
set_background_color = rhs.set_background_color;
background_color = rhs.background_color;
} else if (rhs.set_background_color) {
if (!background_color.is_rgb || !rhs.background_color.is_rgb)
throw format_error("can't OR a terminal color");
background_color.value.rgb_color |= rhs.background_color.value.rgb_color;
}
ems = static_cast<emphasis>(static_cast<uint8_t>(ems) |
static_cast<uint8_t>(rhs.ems));
return *this;
}
friend FMT_CONSTEXPR
text_style operator|(text_style lhs, const text_style &rhs) {
return lhs |= rhs;
}
FMT_CONSTEXPR text_style &operator&=(const text_style &rhs) {
if (!set_foreground_color) {
set_foreground_color = rhs.set_foreground_color;
foreground_color = rhs.foreground_color;
} else if (rhs.set_foreground_color) {
if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb)
throw format_error("can't AND a terminal color");
foreground_color.value.rgb_color &= rhs.foreground_color.value.rgb_color;
}
if (!set_background_color) {
set_background_color = rhs.set_background_color;
background_color = rhs.background_color;
} else if (rhs.set_background_color) {
if (!background_color.is_rgb || !rhs.background_color.is_rgb)
throw format_error("can't AND a terminal color");
background_color.value.rgb_color &= rhs.background_color.value.rgb_color;
}
ems = static_cast<emphasis>(static_cast<uint8_t>(ems) &
static_cast<uint8_t>(rhs.ems));
return *this;
}
friend FMT_CONSTEXPR
text_style operator&(text_style lhs, const text_style &rhs) {
return lhs &= rhs;
}
FMT_CONSTEXPR bool has_foreground() const FMT_NOEXCEPT {
return set_foreground_color;
}
FMT_CONSTEXPR bool has_background() const FMT_NOEXCEPT {
return set_background_color;
}
FMT_CONSTEXPR bool has_emphasis() const FMT_NOEXCEPT {
return static_cast<uint8_t>(ems) != 0;
}
FMT_CONSTEXPR internal::color_type get_foreground() const FMT_NOEXCEPT {
assert(has_foreground() && "no foreground specified for this style");
return foreground_color;
}
FMT_CONSTEXPR internal::color_type get_background() const FMT_NOEXCEPT {
assert(has_background() && "no background specified for this style");
return background_color;
}
FMT_CONSTEXPR emphasis get_emphasis() const FMT_NOEXCEPT {
assert(has_emphasis() && "no emphasis specified for this style");
return ems;
}
private:
FMT_CONSTEXPR text_style(bool is_foreground,
internal::color_type text_color) FMT_NOEXCEPT
: set_foreground_color(),
set_background_color(),
ems() {
if (is_foreground) {
foreground_color = text_color;
set_foreground_color = true;
} else {
background_color = text_color;
set_background_color = true;
}
}
friend FMT_CONSTEXPR_DECL text_style fg(internal::color_type foreground)
FMT_NOEXCEPT;
friend FMT_CONSTEXPR_DECL text_style bg(internal::color_type background)
FMT_NOEXCEPT;
internal::color_type foreground_color;
internal::color_type background_color;
bool set_foreground_color;
bool set_background_color;
emphasis ems;
};
FMT_CONSTEXPR text_style fg(internal::color_type foreground) FMT_NOEXCEPT {
return text_style(/*is_foreground=*/true, foreground);
}
FMT_CONSTEXPR text_style bg(internal::color_type background) FMT_NOEXCEPT {
return text_style(/*is_foreground=*/false, background);
}
FMT_CONSTEXPR text_style operator|(emphasis lhs, emphasis rhs) FMT_NOEXCEPT {
return text_style(lhs) | rhs;
}
namespace internal {
template <typename Char>
struct ansi_color_escape {
FMT_CONSTEXPR ansi_color_escape(internal::color_type text_color,
const char * esc) FMT_NOEXCEPT {
// If we have a terminal color, we need to output another escape code
// sequence.
if (!text_color.is_rgb) {
bool is_background = esc == internal::data::BACKGROUND_COLOR;
uint32_t value = text_color.value.term_color;
// Background ASCII codes are the same as the foreground ones but with
// 10 more.
if (is_background)
value += 10u;
std::size_t index = 0;
buffer[index++] = static_cast<Char>('\x1b');
buffer[index++] = static_cast<Char>('[');
if (value >= 100u) {
buffer[index++] = static_cast<Char>('1');
value %= 100u;
}
buffer[index++] = static_cast<Char>('0' + value / 10u);
buffer[index++] = static_cast<Char>('0' + value % 10u);
buffer[index++] = static_cast<Char>('m');
buffer[index++] = static_cast<Char>('\0');
return;
}
for (int i = 0; i < 7; i++) {
buffer[i] = static_cast<Char>(esc[i]);
}
rgb color(text_color.value.rgb_color);
to_esc(color.r, buffer + 7, ';');
to_esc(color.g, buffer + 11, ';');
to_esc(color.b, buffer + 15, 'm');
buffer[19] = static_cast<Char>(0);
}
FMT_CONSTEXPR ansi_color_escape(emphasis em) FMT_NOEXCEPT {
uint8_t em_codes[4] = {};
uint8_t em_bits = static_cast<uint8_t>(em);
if (em_bits & static_cast<uint8_t>(emphasis::bold))
em_codes[0] = 1;
if (em_bits & static_cast<uint8_t>(emphasis::italic))
em_codes[1] = 3;
if (em_bits & static_cast<uint8_t>(emphasis::underline))
em_codes[2] = 4;
if (em_bits & static_cast<uint8_t>(emphasis::strikethrough))
em_codes[3] = 9;
std::size_t index = 0;
for (int i = 0; i < 4; ++i) {
if (!em_codes[i])
continue;
buffer[index++] = static_cast<Char>('\x1b');
buffer[index++] = static_cast<Char>('[');
buffer[index++] = static_cast<Char>('0' + em_codes[i]);
buffer[index++] = static_cast<Char>('m');
}
buffer[index++] = static_cast<Char>(0);
}
FMT_CONSTEXPR operator const Char *() const FMT_NOEXCEPT { return buffer; }
private:
Char buffer[7u + 3u * 4u + 1u];
static FMT_CONSTEXPR void to_esc(uint8_t c, Char *out,
char delimiter) FMT_NOEXCEPT {
out[0] = static_cast<Char>('0' + c / 100);
out[1] = static_cast<Char>('0' + c / 10 % 10);
out[2] = static_cast<Char>('0' + c % 10);
out[3] = static_cast<Char>(delimiter);
}
};
template <typename Char>
FMT_CONSTEXPR ansi_color_escape<Char>
make_foreground_color(internal::color_type foreground) FMT_NOEXCEPT {
return ansi_color_escape<Char>(foreground, internal::data::FOREGROUND_COLOR);
}
template <typename Char>
FMT_CONSTEXPR ansi_color_escape<Char>
make_background_color(internal::color_type background) FMT_NOEXCEPT {
return ansi_color_escape<Char>(background, internal::data::BACKGROUND_COLOR);
}
template <typename Char>
FMT_CONSTEXPR ansi_color_escape<Char>
make_emphasis(emphasis em) FMT_NOEXCEPT {
return ansi_color_escape<Char>(em);
}
template <typename Char>
inline void fputs(const Char *chars, FILE *stream) FMT_NOEXCEPT {
std::fputs(chars, stream);
}
template <>
inline void fputs<wchar_t>(const wchar_t *chars, FILE *stream) FMT_NOEXCEPT {
std::fputws(chars, stream);
}
template <typename Char>
inline void reset_color(FILE *stream) FMT_NOEXCEPT {
fputs(internal::data::RESET_COLOR, stream);
}
template <>
inline void reset_color<wchar_t>(FILE *stream) FMT_NOEXCEPT {
fputs(internal::data::WRESET_COLOR, stream);
}
// The following specialiazation disables using std::FILE as a character type,
// which is needed because or else
// fmt::print(stderr, fmt::emphasis::bold, "");
// would take stderr (a std::FILE *) as the format string.
template <>
struct is_string<std::FILE *> : std::false_type {};
template <>
struct is_string<const std::FILE *> : std::false_type {};
} // namespace internal
template <
typename S, typename Char = typename internal::char_t<S>::type>
void vprint(std::FILE *f, const text_style &ts, const S &format,
basic_format_args<typename buffer_context<Char>::type> args) {
bool has_style = false;
if (ts.has_emphasis()) {
has_style = true;
internal::fputs<Char>(
internal::make_emphasis<Char>(ts.get_emphasis()), f);
}
if (ts.has_foreground()) {
has_style = true;
internal::fputs<Char>(
internal::make_foreground_color<Char>(ts.get_foreground()), f);
}
if (ts.has_background()) {
has_style = true;
internal::fputs<Char>(
internal::make_background_color<Char>(ts.get_background()), f);
}
vprint(f, format, args);
if (has_style) {
internal::reset_color<Char>(f);
}
}
/**
Formats a string and prints it to the specified file stream using ANSI
escape sequences to specify text formatting.
Example:
fmt::print(fmt::emphasis::bold | fg(fmt::color::red),
"Elapsed time: {0:.2f} seconds", 1.23);
*/
template <typename String, typename... Args>
typename std::enable_if<internal::is_string<String>::value>::type print(
std::FILE *f, const text_style &ts, const String &format_str,
const Args &... args) {
internal::check_format_string<Args...>(format_str);
typedef typename internal::char_t<String>::type char_t;
typedef typename buffer_context<char_t>::type context_t;
format_arg_store<context_t, Args...> as{args...};
vprint(f, ts, format_str, basic_format_args<context_t>(as));
}
/**
Formats a string and prints it to stdout using ANSI escape sequences to
specify text formatting.
Example:
fmt::print(fmt::emphasis::bold | fg(fmt::color::red),
"Elapsed time: {0:.2f} seconds", 1.23);
*/
template <typename String, typename... Args>
typename std::enable_if<internal::is_string<String>::value>::type print(
const text_style &ts, const String &format_str,
const Args &... args) {
return print(stdout, ts, format_str, args...);
}
#endif
FMT_END_NAMESPACE
#endif // FMT_COLOR_H_

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// Formatting library for C++
//
// Copyright (c) 2012 - 2016, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_FORMAT_INL_H_
#define FMT_FORMAT_INL_H_
#include "format.h"
#include <string.h>
#include <cctype>
#include <cerrno>
#include <climits>
#include <cmath>
#include <cstdarg>
#include <cstddef> // for std::ptrdiff_t
#include <cstring> // for std::memmove
#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
# include <locale>
#endif
#if FMT_USE_WINDOWS_H
# if !defined(FMT_HEADER_ONLY) && !defined(WIN32_LEAN_AND_MEAN)
# define WIN32_LEAN_AND_MEAN
# endif
# if defined(NOMINMAX) || defined(FMT_WIN_MINMAX)
# include <windows.h>
# else
# define NOMINMAX
# include <windows.h>
# undef NOMINMAX
# endif
#endif
#if FMT_EXCEPTIONS
# define FMT_TRY try
# define FMT_CATCH(x) catch (x)
#else
# define FMT_TRY if (true)
# define FMT_CATCH(x) if (false)
#endif
#ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable: 4127) // conditional expression is constant
# pragma warning(disable: 4702) // unreachable code
// Disable deprecation warning for strerror. The latter is not called but
// MSVC fails to detect it.
# pragma warning(disable: 4996)
#endif
// Dummy implementations of strerror_r and strerror_s called if corresponding
// system functions are not available.
inline fmt::internal::null<> strerror_r(int, char *, ...) {
return fmt::internal::null<>();
}
inline fmt::internal::null<> strerror_s(char *, std::size_t, ...) {
return fmt::internal::null<>();
}
FMT_BEGIN_NAMESPACE
namespace {
#ifndef _MSC_VER
# define FMT_SNPRINTF snprintf
#else // _MSC_VER
inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...) {
va_list args;
va_start(args, format);
int result = vsnprintf_s(buffer, size, _TRUNCATE, format, args);
va_end(args);
return result;
}
# define FMT_SNPRINTF fmt_snprintf
#endif // _MSC_VER
#if defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT)
# define FMT_SWPRINTF snwprintf
#else
# define FMT_SWPRINTF swprintf
#endif // defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT)
typedef void (*FormatFunc)(internal::buffer &, int, string_view);
// Portable thread-safe version of strerror.
// Sets buffer to point to a string describing the error code.
// This can be either a pointer to a string stored in buffer,
// or a pointer to some static immutable string.
// Returns one of the following values:
// 0 - success
// ERANGE - buffer is not large enough to store the error message
// other - failure
// Buffer should be at least of size 1.
int safe_strerror(
int error_code, char *&buffer, std::size_t buffer_size) FMT_NOEXCEPT {
FMT_ASSERT(buffer != FMT_NULL && buffer_size != 0, "invalid buffer");
class dispatcher {
private:
int error_code_;
char *&buffer_;
std::size_t buffer_size_;
// A noop assignment operator to avoid bogus warnings.
void operator=(const dispatcher &) {}
// Handle the result of XSI-compliant version of strerror_r.
int handle(int result) {
// glibc versions before 2.13 return result in errno.
return result == -1 ? errno : result;
}
// Handle the result of GNU-specific version of strerror_r.
int handle(char *message) {
// If the buffer is full then the message is probably truncated.
if (message == buffer_ && strlen(buffer_) == buffer_size_ - 1)
return ERANGE;
buffer_ = message;
return 0;
}
// Handle the case when strerror_r is not available.
int handle(internal::null<>) {
return fallback(strerror_s(buffer_, buffer_size_, error_code_));
}
// Fallback to strerror_s when strerror_r is not available.
int fallback(int result) {
// If the buffer is full then the message is probably truncated.
return result == 0 && strlen(buffer_) == buffer_size_ - 1 ?
ERANGE : result;
}
#if !FMT_MSC_VER
// Fallback to strerror if strerror_r and strerror_s are not available.
int fallback(internal::null<>) {
errno = 0;
buffer_ = strerror(error_code_);
return errno;
}
#endif
public:
dispatcher(int err_code, char *&buf, std::size_t buf_size)
: error_code_(err_code), buffer_(buf), buffer_size_(buf_size) {}
int run() {
return handle(strerror_r(error_code_, buffer_, buffer_size_));
}
};
return dispatcher(error_code, buffer, buffer_size).run();
}
void format_error_code(internal::buffer &out, int error_code,
string_view message) FMT_NOEXCEPT {
// Report error code making sure that the output fits into
// inline_buffer_size to avoid dynamic memory allocation and potential
// bad_alloc.
out.resize(0);
static const char SEP[] = ": ";
static const char ERROR_STR[] = "error ";
// Subtract 2 to account for terminating null characters in SEP and ERROR_STR.
std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2;
typedef internal::int_traits<int>::main_type main_type;
main_type abs_value = static_cast<main_type>(error_code);
if (internal::is_negative(error_code)) {
abs_value = 0 - abs_value;
++error_code_size;
}
error_code_size += internal::to_unsigned(internal::count_digits(abs_value));
writer w(out);
if (message.size() <= inline_buffer_size - error_code_size) {
w.write(message);
w.write(SEP);
}
w.write(ERROR_STR);
w.write(error_code);
assert(out.size() <= inline_buffer_size);
}
void report_error(FormatFunc func, int error_code,
string_view message) FMT_NOEXCEPT {
memory_buffer full_message;
func(full_message, error_code, message);
// Use Writer::data instead of Writer::c_str to avoid potential memory
// allocation.
std::fwrite(full_message.data(), full_message.size(), 1, stderr);
std::fputc('\n', stderr);
}
} // namespace
FMT_FUNC size_t internal::count_code_points(basic_string_view<char8_t> s) {
const char8_t *data = s.data();
size_t num_code_points = 0;
for (size_t i = 0, size = s.size(); i != size; ++i) {
if ((data[i] & 0xc0) != 0x80)
++num_code_points;
}
return num_code_points;
}
#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
namespace internal {
template <typename Locale>
locale_ref::locale_ref(const Locale &loc) : locale_(&loc) {
static_assert(std::is_same<Locale, std::locale>::value, "");
}
template <typename Locale>
Locale locale_ref::get() const {
static_assert(std::is_same<Locale, std::locale>::value, "");
return locale_ ? *static_cast<const std::locale*>(locale_) : std::locale();
}
template <typename Char>
FMT_FUNC Char thousands_sep_impl(locale_ref loc) {
return std::use_facet<std::numpunct<Char> >(
loc.get<std::locale>()).thousands_sep();
}
}
#else
template <typename Char>
FMT_FUNC Char internal::thousands_sep_impl(locale_ref) {
return FMT_STATIC_THOUSANDS_SEPARATOR;
}
#endif
FMT_FUNC void system_error::init(
int err_code, string_view format_str, format_args args) {
error_code_ = err_code;
memory_buffer buffer;
format_system_error(buffer, err_code, vformat(format_str, args));
std::runtime_error &base = *this;
base = std::runtime_error(to_string(buffer));
}
namespace internal {
template <typename T>
int char_traits<char>::format_float(
char *buf, std::size_t size, const char *format, int precision, T value) {
return precision < 0 ?
FMT_SNPRINTF(buf, size, format, value) :
FMT_SNPRINTF(buf, size, format, precision, value);
}
template <typename T>
int char_traits<wchar_t>::format_float(
wchar_t *buf, std::size_t size, const wchar_t *format, int precision,
T value) {
return precision < 0 ?
FMT_SWPRINTF(buf, size, format, value) :
FMT_SWPRINTF(buf, size, format, precision, value);
}
template <typename T>
const char basic_data<T>::DIGITS[] =
"0001020304050607080910111213141516171819"
"2021222324252627282930313233343536373839"
"4041424344454647484950515253545556575859"
"6061626364656667686970717273747576777879"
"8081828384858687888990919293949596979899";
#define FMT_POWERS_OF_10(factor) \
factor * 10, \
factor * 100, \
factor * 1000, \
factor * 10000, \
factor * 100000, \
factor * 1000000, \
factor * 10000000, \
factor * 100000000, \
factor * 1000000000
template <typename T>
const uint32_t basic_data<T>::POWERS_OF_10_32[] = {
1, FMT_POWERS_OF_10(1)
};
template <typename T>
const uint32_t basic_data<T>::ZERO_OR_POWERS_OF_10_32[] = {
0, FMT_POWERS_OF_10(1)
};
template <typename T>
const uint64_t basic_data<T>::ZERO_OR_POWERS_OF_10_64[] = {
0,
FMT_POWERS_OF_10(1),
FMT_POWERS_OF_10(1000000000ull),
10000000000000000000ull
};
// Normalized 64-bit significands of pow(10, k), for k = -348, -340, ..., 340.
// These are generated by support/compute-powers.py.
template <typename T>
const uint64_t basic_data<T>::POW10_SIGNIFICANDS[] = {
0xfa8fd5a0081c0288, 0xbaaee17fa23ebf76, 0x8b16fb203055ac76,
0xcf42894a5dce35ea, 0x9a6bb0aa55653b2d, 0xe61acf033d1a45df,
0xab70fe17c79ac6ca, 0xff77b1fcbebcdc4f, 0xbe5691ef416bd60c,
0x8dd01fad907ffc3c, 0xd3515c2831559a83, 0x9d71ac8fada6c9b5,
0xea9c227723ee8bcb, 0xaecc49914078536d, 0x823c12795db6ce57,
0xc21094364dfb5637, 0x9096ea6f3848984f, 0xd77485cb25823ac7,
0xa086cfcd97bf97f4, 0xef340a98172aace5, 0xb23867fb2a35b28e,
0x84c8d4dfd2c63f3b, 0xc5dd44271ad3cdba, 0x936b9fcebb25c996,
0xdbac6c247d62a584, 0xa3ab66580d5fdaf6, 0xf3e2f893dec3f126,
0xb5b5ada8aaff80b8, 0x87625f056c7c4a8b, 0xc9bcff6034c13053,
0x964e858c91ba2655, 0xdff9772470297ebd, 0xa6dfbd9fb8e5b88f,
0xf8a95fcf88747d94, 0xb94470938fa89bcf, 0x8a08f0f8bf0f156b,
0xcdb02555653131b6, 0x993fe2c6d07b7fac, 0xe45c10c42a2b3b06,
0xaa242499697392d3, 0xfd87b5f28300ca0e, 0xbce5086492111aeb,
0x8cbccc096f5088cc, 0xd1b71758e219652c, 0x9c40000000000000,
0xe8d4a51000000000, 0xad78ebc5ac620000, 0x813f3978f8940984,
0xc097ce7bc90715b3, 0x8f7e32ce7bea5c70, 0xd5d238a4abe98068,
0x9f4f2726179a2245, 0xed63a231d4c4fb27, 0xb0de65388cc8ada8,
0x83c7088e1aab65db, 0xc45d1df942711d9a, 0x924d692ca61be758,
0xda01ee641a708dea, 0xa26da3999aef774a, 0xf209787bb47d6b85,
0xb454e4a179dd1877, 0x865b86925b9bc5c2, 0xc83553c5c8965d3d,
0x952ab45cfa97a0b3, 0xde469fbd99a05fe3, 0xa59bc234db398c25,
0xf6c69a72a3989f5c, 0xb7dcbf5354e9bece, 0x88fcf317f22241e2,
0xcc20ce9bd35c78a5, 0x98165af37b2153df, 0xe2a0b5dc971f303a,
0xa8d9d1535ce3b396, 0xfb9b7cd9a4a7443c, 0xbb764c4ca7a44410,
0x8bab8eefb6409c1a, 0xd01fef10a657842c, 0x9b10a4e5e9913129,
0xe7109bfba19c0c9d, 0xac2820d9623bf429, 0x80444b5e7aa7cf85,
0xbf21e44003acdd2d, 0x8e679c2f5e44ff8f, 0xd433179d9c8cb841,
0x9e19db92b4e31ba9, 0xeb96bf6ebadf77d9, 0xaf87023b9bf0ee6b,
};
// Binary exponents of pow(10, k), for k = -348, -340, ..., 340, corresponding
// to significands above.
template <typename T>
const int16_t basic_data<T>::POW10_EXPONENTS[] = {
-1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954,
-927, -901, -874, -847, -821, -794, -768, -741, -715, -688, -661,
-635, -608, -582, -555, -529, -502, -475, -449, -422, -396, -369,
-343, -316, -289, -263, -236, -210, -183, -157, -130, -103, -77,
-50, -24, 3, 30, 56, 83, 109, 136, 162, 189, 216,
242, 269, 295, 322, 348, 375, 402, 428, 455, 481, 508,
534, 561, 588, 614, 641, 667, 694, 720, 747, 774, 800,
827, 853, 880, 907, 933, 960, 986, 1013, 1039, 1066
};
template <typename T> const char basic_data<T>::FOREGROUND_COLOR[] = "\x1b[38;2;";
template <typename T> const char basic_data<T>::BACKGROUND_COLOR[] = "\x1b[48;2;";
template <typename T> const char basic_data<T>::RESET_COLOR[] = "\x1b[0m";
template <typename T> const wchar_t basic_data<T>::WRESET_COLOR[] = L"\x1b[0m";
// A handmade floating-point number f * pow(2, e).
class fp {
private:
typedef uint64_t significand_type;
// All sizes are in bits.
static FMT_CONSTEXPR_DECL const int char_size =
std::numeric_limits<unsigned char>::digits;
// Subtract 1 to account for an implicit most significant bit in the
// normalized form.
static FMT_CONSTEXPR_DECL const int double_significand_size =
std::numeric_limits<double>::digits - 1;
static FMT_CONSTEXPR_DECL const uint64_t implicit_bit =
1ull << double_significand_size;
public:
significand_type f;
int e;
static FMT_CONSTEXPR_DECL const int significand_size =
sizeof(significand_type) * char_size;
fp(): f(0), e(0) {}
fp(uint64_t f_val, int e_val): f(f_val), e(e_val) {}
// Constructs fp from an IEEE754 double. It is a template to prevent compile
// errors on platforms where double is not IEEE754.
template <typename Double>
explicit fp(Double d) {
// Assume double is in the format [sign][exponent][significand].
typedef std::numeric_limits<Double> limits;
const int double_size = static_cast<int>(sizeof(Double) * char_size);
const int exponent_size =
double_size - double_significand_size - 1; // -1 for sign
const uint64_t significand_mask = implicit_bit - 1;
const uint64_t exponent_mask = (~0ull >> 1) & ~significand_mask;
const int exponent_bias = (1 << exponent_size) - limits::max_exponent - 1;
auto u = bit_cast<uint64_t>(d);
auto biased_e = (u & exponent_mask) >> double_significand_size;
f = u & significand_mask;
if (biased_e != 0)
f += implicit_bit;
else
biased_e = 1; // Subnormals use biased exponent 1 (min exponent).
e = static_cast<int>(biased_e - exponent_bias - double_significand_size);
}
// Normalizes the value converted from double and multiplied by (1 << SHIFT).
template <int SHIFT = 0>
void normalize() {
// Handle subnormals.
auto shifted_implicit_bit = implicit_bit << SHIFT;
while ((f & shifted_implicit_bit) == 0) {
f <<= 1;
--e;
}
// Subtract 1 to account for hidden bit.
auto offset = significand_size - double_significand_size - SHIFT - 1;
f <<= offset;
e -= offset;
}
// Compute lower and upper boundaries (m^- and m^+ in the Grisu paper), where
// a boundary is a value half way between the number and its predecessor
// (lower) or successor (upper). The upper boundary is normalized and lower
// has the same exponent but may be not normalized.
void compute_boundaries(fp &lower, fp &upper) const {
lower = f == implicit_bit ?
fp((f << 2) - 1, e - 2) : fp((f << 1) - 1, e - 1);
upper = fp((f << 1) + 1, e - 1);
upper.normalize<1>(); // 1 is to account for the exponent shift above.
lower.f <<= lower.e - upper.e;
lower.e = upper.e;
}
};
// Returns an fp number representing x - y. Result may not be normalized.
inline fp operator-(fp x, fp y) {
FMT_ASSERT(x.f >= y.f && x.e == y.e, "invalid operands");
return fp(x.f - y.f, x.e);
}
// Computes an fp number r with r.f = x.f * y.f / pow(2, 64) rounded to nearest
// with half-up tie breaking, r.e = x.e + y.e + 64. Result may not be normalized.
FMT_API fp operator*(fp x, fp y);
// Returns cached power (of 10) c_k = c_k.f * pow(2, c_k.e) such that its
// (binary) exponent satisfies min_exponent <= c_k.e <= min_exponent + 3.
FMT_API fp get_cached_power(int min_exponent, int &pow10_exponent);
FMT_FUNC fp operator*(fp x, fp y) {
// Multiply 32-bit parts of significands.
uint64_t mask = (1ULL << 32) - 1;
uint64_t a = x.f >> 32, b = x.f & mask;
uint64_t c = y.f >> 32, d = y.f & mask;
uint64_t ac = a * c, bc = b * c, ad = a * d, bd = b * d;
// Compute mid 64-bit of result and round.
uint64_t mid = (bd >> 32) + (ad & mask) + (bc & mask) + (1U << 31);
return fp(ac + (ad >> 32) + (bc >> 32) + (mid >> 32), x.e + y.e + 64);
}
FMT_FUNC fp get_cached_power(int min_exponent, int &pow10_exponent) {
const double one_over_log2_10 = 0.30102999566398114; // 1 / log2(10)
int index = static_cast<int>(std::ceil(
(min_exponent + fp::significand_size - 1) * one_over_log2_10));
// Decimal exponent of the first (smallest) cached power of 10.
const int first_dec_exp = -348;
// Difference between 2 consecutive decimal exponents in cached powers of 10.
const int dec_exp_step = 8;
index = (index - first_dec_exp - 1) / dec_exp_step + 1;
pow10_exponent = first_dec_exp + index * dec_exp_step;
return fp(data::POW10_SIGNIFICANDS[index], data::POW10_EXPONENTS[index]);
}
FMT_FUNC bool grisu2_round(
char *buf, int &size, int max_digits, uint64_t delta,
uint64_t remainder, uint64_t exp, uint64_t diff, int &exp10) {
while (remainder < diff && delta - remainder >= exp &&
(remainder + exp < diff || diff - remainder > remainder + exp - diff)) {
--buf[size - 1];
remainder += exp;
}
if (size > max_digits) {
--size;
++exp10;
if (buf[size] >= '5')
return false;
}
return true;
}
// Generates output using Grisu2 digit-gen algorithm.
FMT_FUNC bool grisu2_gen_digits(
char *buf, int &size, uint32_t hi, uint64_t lo, int &exp,
uint64_t delta, const fp &one, const fp &diff, int max_digits) {
// Generate digits for the most significant part (hi).
while (exp > 0) {
uint32_t digit = 0;
// This optimization by miloyip reduces the number of integer divisions by
// one per iteration.
switch (exp) {
case 10: digit = hi / 1000000000; hi %= 1000000000; break;
case 9: digit = hi / 100000000; hi %= 100000000; break;
case 8: digit = hi / 10000000; hi %= 10000000; break;
case 7: digit = hi / 1000000; hi %= 1000000; break;
case 6: digit = hi / 100000; hi %= 100000; break;
case 5: digit = hi / 10000; hi %= 10000; break;
case 4: digit = hi / 1000; hi %= 1000; break;
case 3: digit = hi / 100; hi %= 100; break;
case 2: digit = hi / 10; hi %= 10; break;
case 1: digit = hi; hi = 0; break;
default:
FMT_ASSERT(false, "invalid number of digits");
}
if (digit != 0 || size != 0)
buf[size++] = static_cast<char>('0' + digit);
--exp;
uint64_t remainder = (static_cast<uint64_t>(hi) << -one.e) + lo;
if (remainder <= delta || size > max_digits) {
return grisu2_round(
buf, size, max_digits, delta, remainder,
static_cast<uint64_t>(data::POWERS_OF_10_32[exp]) << -one.e,
diff.f, exp);
}
}
// Generate digits for the least significant part (lo).
for (;;) {
lo *= 10;
delta *= 10;
char digit = static_cast<char>(lo >> -one.e);
if (digit != 0 || size != 0)
buf[size++] = static_cast<char>('0' + digit);
lo &= one.f - 1;
--exp;
if (lo < delta || size > max_digits) {
return grisu2_round(buf, size, max_digits, delta, lo, one.f,
diff.f * data::POWERS_OF_10_32[-exp], exp);
}
}
}
#if FMT_CLANG_VERSION
# define FMT_FALLTHROUGH [[clang::fallthrough]];
#elif FMT_GCC_VERSION >= 700
# define FMT_FALLTHROUGH [[gnu::fallthrough]];
#else
# define FMT_FALLTHROUGH
#endif
struct gen_digits_params {
int num_digits;
bool fixed;
bool upper;
bool trailing_zeros;
};
struct prettify_handler {
char *data;
ptrdiff_t size;
buffer &buf;
explicit prettify_handler(buffer &b, ptrdiff_t n)
: data(b.data()), size(n), buf(b) {}
~prettify_handler() {
assert(buf.size() >= to_unsigned(size));
buf.resize(to_unsigned(size));
}
template <typename F>
void insert(ptrdiff_t pos, ptrdiff_t n, F f) {
std::memmove(data + pos + n, data + pos, to_unsigned(size - pos));
f(data + pos);
size += n;
}
void insert(ptrdiff_t pos, char c) {
std::memmove(data + pos + 1, data + pos, to_unsigned(size - pos));
data[pos] = c;
++size;
}
void append(ptrdiff_t n, char c) {
std::uninitialized_fill_n(data + size, n, c);
size += n;
}
void append(char c) { data[size++] = c; }
void remove_trailing(char c) {
while (data[size - 1] == c) --size;
}
};
// Writes the exponent exp in the form "[+-]d{2,3}" to buffer.
template <typename Handler>
FMT_FUNC void write_exponent(int exp, Handler &&h) {
FMT_ASSERT(-1000 < exp && exp < 1000, "exponent out of range");
if (exp < 0) {
h.append('-');
exp = -exp;
} else {
h.append('+');
}
if (exp >= 100) {
h.append(static_cast<char>('0' + exp / 100));
exp %= 100;
const char *d = data::DIGITS + exp * 2;
h.append(d[0]);
h.append(d[1]);
} else {
const char *d = data::DIGITS + exp * 2;
h.append(d[0]);
h.append(d[1]);
}
}
struct fill {
size_t n;
void operator()(char *buf) const {
buf[0] = '0';
buf[1] = '.';
std::uninitialized_fill_n(buf + 2, n, '0');
}
};
// The number is given as v = f * pow(10, exp), where f has size digits.
template <typename Handler>
FMT_FUNC void grisu2_prettify(const gen_digits_params &params,
int size, int exp, Handler &&handler) {
if (!params.fixed) {
// Insert a decimal point after the first digit and add an exponent.
handler.insert(1, '.');
exp += size - 1;
if (size < params.num_digits)
handler.append(params.num_digits - size, '0');
handler.append(params.upper ? 'E' : 'e');
write_exponent(exp, handler);
return;
}
// pow(10, full_exp - 1) <= v <= pow(10, full_exp).
int full_exp = size + exp;
const int exp_threshold = 21;
if (size <= full_exp && full_exp <= exp_threshold) {
// 1234e7 -> 12340000000[.0+]
handler.append(full_exp - size, '0');
int num_zeros = params.num_digits - full_exp;
if (num_zeros > 0 && params.trailing_zeros) {
handler.append('.');
handler.append(num_zeros, '0');
}
} else if (full_exp > 0) {
// 1234e-2 -> 12.34[0+]
handler.insert(full_exp, '.');
if (!params.trailing_zeros) {
// Remove trailing zeros.
handler.remove_trailing('0');
} else if (params.num_digits > size) {
// Add trailing zeros.
ptrdiff_t num_zeros = params.num_digits - size;
handler.append(num_zeros, '0');
}
} else {
// 1234e-6 -> 0.001234
handler.insert(0, 2 - full_exp, fill{to_unsigned(-full_exp)});
}
}
struct char_counter {
ptrdiff_t size;
template <typename F>
void insert(ptrdiff_t, ptrdiff_t n, F) { size += n; }
void insert(ptrdiff_t, char) { ++size; }
void append(ptrdiff_t n, char) { size += n; }
void append(char) { ++size; }
void remove_trailing(char) {}
};
// Converts format specifiers into parameters for digit generation and computes
// output buffer size for a number in the range [pow(10, exp - 1), pow(10, exp)
// or 0 if exp == 1.
FMT_FUNC gen_digits_params process_specs(const core_format_specs &specs,
int exp, buffer &buf) {
auto params = gen_digits_params();
int num_digits = specs.precision >= 0 ? specs.precision : 6;
switch (specs.type) {
case 'G':
params.upper = true;
FMT_FALLTHROUGH
case '\0': case 'g':
params.trailing_zeros = (specs.flags & HASH_FLAG) != 0;
if (-4 <= exp && exp < num_digits + 1) {
params.fixed = true;
if (!specs.type && params.trailing_zeros && exp >= 0)
num_digits = exp + 1;
}
break;
case 'F':
params.upper = true;
FMT_FALLTHROUGH
case 'f': {
params.fixed = true;
params.trailing_zeros = true;
int adjusted_min_digits = num_digits + exp;
if (adjusted_min_digits > 0)
num_digits = adjusted_min_digits;
break;
}
case 'E':
params.upper = true;
FMT_FALLTHROUGH
case 'e':
++num_digits;
break;
}
params.num_digits = num_digits;
char_counter counter{num_digits};
grisu2_prettify(params, params.num_digits, exp - num_digits, counter);
buf.resize(to_unsigned(counter.size));
return params;
}
template <typename Double>
FMT_FUNC typename std::enable_if<sizeof(Double) == sizeof(uint64_t), bool>::type
grisu2_format(Double value, buffer &buf, core_format_specs specs) {
FMT_ASSERT(value >= 0, "value is negative");
if (value == 0) {
gen_digits_params params = process_specs(specs, 1, buf);
const size_t size = 1;
buf[0] = '0';
grisu2_prettify(params, size, 0, prettify_handler(buf, size));
return true;
}
fp fp_value(value);
fp lower, upper; // w^- and w^+ in the Grisu paper.
fp_value.compute_boundaries(lower, upper);
// Find a cached power of 10 close to 1 / upper and use it to scale upper.
const int min_exp = -60; // alpha in Grisu.
int cached_exp = 0; // K in Grisu.
auto cached_pow = get_cached_power( // \tilde{c}_{-k} in Grisu.
min_exp - (upper.e + fp::significand_size), cached_exp);
cached_exp = -cached_exp;
upper = upper * cached_pow; // \tilde{M}^+ in Grisu.
--upper.f; // \tilde{M}^+ - 1 ulp -> M^+_{\downarrow}.
fp one(1ull << -upper.e, upper.e);
// hi (p1 in Grisu) contains the most significant digits of scaled_upper.
// hi = floor(upper / one).
uint32_t hi = static_cast<uint32_t>(upper.f >> -one.e);
int exp = count_digits(hi); // kappa in Grisu.
gen_digits_params params = process_specs(specs, cached_exp + exp, buf);
fp_value.normalize();
fp scaled_value = fp_value * cached_pow;
lower = lower * cached_pow; // \tilde{M}^- in Grisu.
++lower.f; // \tilde{M}^- + 1 ulp -> M^-_{\uparrow}.
uint64_t delta = upper.f - lower.f;
fp diff = upper - scaled_value; // wp_w in Grisu.
// lo (p2 in Grisu) contains the least significants digits of scaled_upper.
// lo = supper % one.
uint64_t lo = upper.f & (one.f - 1);
int size = 0;
if (!grisu2_gen_digits(buf.data(), size, hi, lo, exp, delta, one, diff,
params.num_digits)) {
buf.clear();
return false;
}
grisu2_prettify(params, size, cached_exp + exp, prettify_handler(buf, size));
return true;
}
template <typename Double>
void sprintf_format(Double value, internal::buffer &buf,
core_format_specs spec) {
// Buffer capacity must be non-zero, otherwise MSVC's vsnprintf_s will fail.
FMT_ASSERT(buf.capacity() != 0, "empty buffer");
// Build format string.
enum { MAX_FORMAT_SIZE = 10}; // longest format: %#-*.*Lg
char format[MAX_FORMAT_SIZE];
char *format_ptr = format;
*format_ptr++ = '%';
if (spec.has(HASH_FLAG))
*format_ptr++ = '#';
if (spec.precision >= 0) {
*format_ptr++ = '.';
*format_ptr++ = '*';
}
if (std::is_same<Double, long double>::value)
*format_ptr++ = 'L';
*format_ptr++ = spec.type;
*format_ptr = '\0';
// Format using snprintf.
char *start = FMT_NULL;
for (;;) {
std::size_t buffer_size = buf.capacity();
start = &buf[0];
int result = internal::char_traits<char>::format_float(
start, buffer_size, format, spec.precision, value);
if (result >= 0) {
unsigned n = internal::to_unsigned(result);
if (n < buf.capacity()) {
buf.resize(n);
break; // The buffer is large enough - continue with formatting.
}
buf.reserve(n + 1);
} else {
// If result is negative we ask to increase the capacity by at least 1,
// but as std::vector, the buffer grows exponentially.
buf.reserve(buf.capacity() + 1);
}
}
}
} // namespace internal
#if FMT_USE_WINDOWS_H
FMT_FUNC internal::utf8_to_utf16::utf8_to_utf16(string_view s) {
static const char ERROR_MSG[] = "cannot convert string from UTF-8 to UTF-16";
if (s.size() > INT_MAX)
FMT_THROW(windows_error(ERROR_INVALID_PARAMETER, ERROR_MSG));
int s_size = static_cast<int>(s.size());
if (s_size == 0) {
// MultiByteToWideChar does not support zero length, handle separately.
buffer_.resize(1);
buffer_[0] = 0;
return;
}
int length = MultiByteToWideChar(
CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, FMT_NULL, 0);
if (length == 0)
FMT_THROW(windows_error(GetLastError(), ERROR_MSG));
buffer_.resize(length + 1);
length = MultiByteToWideChar(
CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, &buffer_[0], length);
if (length == 0)
FMT_THROW(windows_error(GetLastError(), ERROR_MSG));
buffer_[length] = 0;
}
FMT_FUNC internal::utf16_to_utf8::utf16_to_utf8(wstring_view s) {
if (int error_code = convert(s)) {
FMT_THROW(windows_error(error_code,
"cannot convert string from UTF-16 to UTF-8"));
}
}
FMT_FUNC int internal::utf16_to_utf8::convert(wstring_view s) {
if (s.size() > INT_MAX)
return ERROR_INVALID_PARAMETER;
int s_size = static_cast<int>(s.size());
if (s_size == 0) {
// WideCharToMultiByte does not support zero length, handle separately.
buffer_.resize(1);
buffer_[0] = 0;
return 0;
}
int length = WideCharToMultiByte(
CP_UTF8, 0, s.data(), s_size, FMT_NULL, 0, FMT_NULL, FMT_NULL);
if (length == 0)
return GetLastError();
buffer_.resize(length + 1);
length = WideCharToMultiByte(
CP_UTF8, 0, s.data(), s_size, &buffer_[0], length, FMT_NULL, FMT_NULL);
if (length == 0)
return GetLastError();
buffer_[length] = 0;
return 0;
}
FMT_FUNC void windows_error::init(
int err_code, string_view format_str, format_args args) {
error_code_ = err_code;
memory_buffer buffer;
internal::format_windows_error(buffer, err_code, vformat(format_str, args));
std::runtime_error &base = *this;
base = std::runtime_error(to_string(buffer));
}
FMT_FUNC void internal::format_windows_error(
internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT {
FMT_TRY {
wmemory_buffer buf;
buf.resize(inline_buffer_size);
for (;;) {
wchar_t *system_message = &buf[0];
int result = FormatMessageW(
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
FMT_NULL, error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
system_message, static_cast<uint32_t>(buf.size()), FMT_NULL);
if (result != 0) {
utf16_to_utf8 utf8_message;
if (utf8_message.convert(system_message) == ERROR_SUCCESS) {
writer w(out);
w.write(message);
w.write(": ");
w.write(utf8_message);
return;
}
break;
}
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
break; // Can't get error message, report error code instead.
buf.resize(buf.size() * 2);
}
} FMT_CATCH(...) {}
format_error_code(out, error_code, message);
}
#endif // FMT_USE_WINDOWS_H
FMT_FUNC void format_system_error(
internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT {
FMT_TRY {
memory_buffer buf;
buf.resize(inline_buffer_size);
for (;;) {
char *system_message = &buf[0];
int result = safe_strerror(error_code, system_message, buf.size());
if (result == 0) {
writer w(out);
w.write(message);
w.write(": ");
w.write(system_message);
return;
}
if (result != ERANGE)
break; // Can't get error message, report error code instead.
buf.resize(buf.size() * 2);
}
} FMT_CATCH(...) {}
format_error_code(out, error_code, message);
}
FMT_FUNC void internal::error_handler::on_error(const char *message) {
FMT_THROW(format_error(message));
}
FMT_FUNC void report_system_error(
int error_code, fmt::string_view message) FMT_NOEXCEPT {
report_error(format_system_error, error_code, message);
}
#if FMT_USE_WINDOWS_H
FMT_FUNC void report_windows_error(
int error_code, fmt::string_view message) FMT_NOEXCEPT {
report_error(internal::format_windows_error, error_code, message);
}
#endif
FMT_FUNC void vprint(std::FILE *f, string_view format_str, format_args args) {
memory_buffer buffer;
internal::vformat_to(buffer, format_str,
basic_format_args<buffer_context<char>::type>(args));
std::fwrite(buffer.data(), 1, buffer.size(), f);
}
FMT_FUNC void vprint(std::FILE *f, wstring_view format_str, wformat_args args) {
wmemory_buffer buffer;
internal::vformat_to(buffer, format_str, args);
std::fwrite(buffer.data(), sizeof(wchar_t), buffer.size(), f);
}
FMT_FUNC void vprint(string_view format_str, format_args args) {
vprint(stdout, format_str, args);
}
FMT_FUNC void vprint(wstring_view format_str, wformat_args args) {
vprint(stdout, format_str, args);
}
FMT_END_NAMESPACE
#ifdef _MSC_VER
# pragma warning(pop)
#endif
#endif // FMT_FORMAT_INL_H_

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// Formatting library for C++ - std::locale support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_LOCALE_H_
#define FMT_LOCALE_H_
#include "format.h"
#include <locale>
FMT_BEGIN_NAMESPACE
namespace internal {
template <typename Char>
typename buffer_context<Char>::type::iterator vformat_to(
const std::locale &loc, basic_buffer<Char> &buf,
basic_string_view<Char> format_str,
basic_format_args<typename buffer_context<Char>::type> args) {
typedef back_insert_range<basic_buffer<Char> > range;
return vformat_to<arg_formatter<range>>(
buf, to_string_view(format_str), args, internal::locale_ref(loc));
}
template <typename Char>
std::basic_string<Char> vformat(
const std::locale &loc, basic_string_view<Char> format_str,
basic_format_args<typename buffer_context<Char>::type> args) {
basic_memory_buffer<Char> buffer;
internal::vformat_to(loc, buffer, format_str, args);
return fmt::to_string(buffer);
}
}
template <typename S, typename Char = FMT_CHAR(S)>
inline std::basic_string<Char> vformat(
const std::locale &loc, const S &format_str,
basic_format_args<typename buffer_context<Char>::type> args) {
return internal::vformat(loc, to_string_view(format_str), args);
}
template <typename S, typename... Args>
inline std::basic_string<FMT_CHAR(S)> format(
const std::locale &loc, const S &format_str, const Args &... args) {
return internal::vformat(
loc, to_string_view(format_str),
*internal::checked_args<S, Args...>(format_str, args...));
}
template <typename String, typename OutputIt, typename... Args>
inline typename std::enable_if<internal::is_output_iterator<OutputIt>::value,
OutputIt>::type
vformat_to(OutputIt out, const std::locale &loc, const String &format_str,
typename format_args_t<OutputIt, FMT_CHAR(String)>::type args) {
typedef output_range<OutputIt, FMT_CHAR(String)> range;
return vformat_to<arg_formatter<range>>(
range(out), to_string_view(format_str), args, internal::locale_ref(loc));
}
template <typename OutputIt, typename S, typename... Args>
inline typename std::enable_if<
internal::is_string<S>::value &&
internal::is_output_iterator<OutputIt>::value, OutputIt>::type
format_to(OutputIt out, const std::locale &loc, const S &format_str,
const Args &... args) {
internal::check_format_string<Args...>(format_str);
typedef typename format_context_t<OutputIt, FMT_CHAR(S)>::type context;
format_arg_store<context, Args...> as{args...};
return vformat_to(out, loc, to_string_view(format_str),
basic_format_args<context>(as));
}
FMT_END_NAMESPACE
#endif // FMT_LOCALE_H_

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// Formatting library for C++ - std::ostream support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_OSTREAM_H_
#define FMT_OSTREAM_H_
#include "format.h"
#include <ostream>
FMT_BEGIN_NAMESPACE
namespace internal {
template <class Char>
class formatbuf : public std::basic_streambuf<Char> {
private:
typedef typename std::basic_streambuf<Char>::int_type int_type;
typedef typename std::basic_streambuf<Char>::traits_type traits_type;
basic_buffer<Char> &buffer_;
public:
formatbuf(basic_buffer<Char> &buffer) : buffer_(buffer) {}
protected:
// The put-area is actually always empty. This makes the implementation
// simpler and has the advantage that the streambuf and the buffer are always
// in sync and sputc never writes into uninitialized memory. The obvious
// disadvantage is that each call to sputc always results in a (virtual) call
// to overflow. There is no disadvantage here for sputn since this always
// results in a call to xsputn.
int_type overflow(int_type ch = traits_type::eof()) FMT_OVERRIDE {
if (!traits_type::eq_int_type(ch, traits_type::eof()))
buffer_.push_back(static_cast<Char>(ch));
return ch;
}
std::streamsize xsputn(const Char *s, std::streamsize count) FMT_OVERRIDE {
buffer_.append(s, s + count);
return count;
}
};
template <typename Char>
struct test_stream : std::basic_ostream<Char> {
private:
struct null;
// Hide all operator<< from std::basic_ostream<Char>.
void operator<<(null);
};
// Checks if T has a user-defined operator<< (e.g. not a member of std::ostream).
template <typename T, typename Char>
class is_streamable {
private:
template <typename U>
static decltype(
internal::declval<test_stream<Char>&>()
<< internal::declval<U>(), std::true_type()) test(int);
template <typename>
static std::false_type test(...);
typedef decltype(test<T>(0)) result;
public:
static const bool value = result::value;
};
// Write the content of buf to os.
template <typename Char>
void write(std::basic_ostream<Char> &os, basic_buffer<Char> &buf) {
const Char *data = buf.data();
typedef std::make_unsigned<std::streamsize>::type UnsignedStreamSize;
UnsignedStreamSize size = buf.size();
UnsignedStreamSize max_size =
internal::to_unsigned((std::numeric_limits<std::streamsize>::max)());
do {
UnsignedStreamSize n = size <= max_size ? size : max_size;
os.write(data, static_cast<std::streamsize>(n));
data += n;
size -= n;
} while (size != 0);
}
template <typename Char, typename T>
void format_value(basic_buffer<Char> &buffer, const T &value) {
internal::formatbuf<Char> format_buf(buffer);
std::basic_ostream<Char> output(&format_buf);
output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
output << value;
buffer.resize(buffer.size());
}
} // namespace internal
// Disable conversion to int if T has an overloaded operator<< which is a free
// function (not a member of std::ostream).
template <typename T, typename Char>
struct convert_to_int<T, Char, void> {
static const bool value =
convert_to_int<T, Char, int>::value &&
!internal::is_streamable<T, Char>::value;
};
// Formats an object of type T that has an overloaded ostream operator<<.
template <typename T, typename Char>
struct formatter<T, Char,
typename std::enable_if<
internal::is_streamable<T, Char>::value &&
!internal::format_type<
typename buffer_context<Char>::type, T>::value>::type>
: formatter<basic_string_view<Char>, Char> {
template <typename Context>
auto format(const T &value, Context &ctx) -> decltype(ctx.out()) {
basic_memory_buffer<Char> buffer;
internal::format_value(buffer, value);
basic_string_view<Char> str(buffer.data(), buffer.size());
return formatter<basic_string_view<Char>, Char>::format(str, ctx);
}
};
template <typename Char>
inline void vprint(std::basic_ostream<Char> &os,
basic_string_view<Char> format_str,
basic_format_args<typename buffer_context<Char>::type> args) {
basic_memory_buffer<Char> buffer;
internal::vformat_to(buffer, format_str, args);
internal::write(os, buffer);
}
/**
\rst
Prints formatted data to the stream *os*.
**Example**::
fmt::print(cerr, "Don't {}!", "panic");
\endrst
*/
template <typename S, typename... Args>
inline typename std::enable_if<internal::is_string<S>::value>::type
print(std::basic_ostream<FMT_CHAR(S)> &os, const S &format_str,
const Args & ... args) {
internal::checked_args<S, Args...> ca(format_str, args...);
vprint(os, to_string_view(format_str), *ca);
}
FMT_END_NAMESPACE
#endif // FMT_OSTREAM_H_

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// A C++ interface to POSIX functions.
//
// Copyright (c) 2012 - 2016, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_POSIX_H_
#define FMT_POSIX_H_
#if defined(__MINGW32__) || defined(__CYGWIN__)
// Workaround MinGW bug https://sourceforge.net/p/mingw/bugs/2024/.
# undef __STRICT_ANSI__
#endif
#include <errno.h>
#include <fcntl.h> // for O_RDONLY
#include <locale.h> // for locale_t
#include <stdio.h>
#include <stdlib.h> // for strtod_l
#include <cstddef>
#if defined __APPLE__ || defined(__FreeBSD__)
# include <xlocale.h> // for LC_NUMERIC_MASK on OS X
#endif
#include "format.h"
#ifndef FMT_POSIX
# if defined(_WIN32) && !defined(__MINGW32__)
// Fix warnings about deprecated symbols.
# define FMT_POSIX(call) _##call
# else
# define FMT_POSIX(call) call
# endif
#endif
// Calls to system functions are wrapped in FMT_SYSTEM for testability.
#ifdef FMT_SYSTEM
# define FMT_POSIX_CALL(call) FMT_SYSTEM(call)
#else
# define FMT_SYSTEM(call) call
# ifdef _WIN32
// Fix warnings about deprecated symbols.
# define FMT_POSIX_CALL(call) ::_##call
# else
# define FMT_POSIX_CALL(call) ::call
# endif
#endif
// Retries the expression while it evaluates to error_result and errno
// equals to EINTR.
#ifndef _WIN32
# define FMT_RETRY_VAL(result, expression, error_result) \
do { \
result = (expression); \
} while (result == error_result && errno == EINTR)
#else
# define FMT_RETRY_VAL(result, expression, error_result) result = (expression)
#endif
#define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
FMT_BEGIN_NAMESPACE
/**
\rst
A reference to a null-terminated string. It can be constructed from a C
string or ``std::string``.
You can use one of the following typedefs for common character types:
+---------------+-----------------------------+
| Type | Definition |
+===============+=============================+
| cstring_view | basic_cstring_view<char> |
+---------------+-----------------------------+
| wcstring_view | basic_cstring_view<wchar_t> |
+---------------+-----------------------------+
This class is most useful as a parameter type to allow passing
different types of strings to a function, for example::
template <typename... Args>
std::string format(cstring_view format_str, const Args & ... args);
format("{}", 42);
format(std::string("{}"), 42);
\endrst
*/
template <typename Char>
class basic_cstring_view {
private:
const Char *data_;
public:
/** Constructs a string reference object from a C string. */
basic_cstring_view(const Char *s) : data_(s) {}
/**
\rst
Constructs a string reference from an ``std::string`` object.
\endrst
*/
basic_cstring_view(const std::basic_string<Char> &s) : data_(s.c_str()) {}
/** Returns the pointer to a C string. */
const Char *c_str() const { return data_; }
};
typedef basic_cstring_view<char> cstring_view;
typedef basic_cstring_view<wchar_t> wcstring_view;
// An error code.
class error_code {
private:
int value_;
public:
explicit error_code(int value = 0) FMT_NOEXCEPT : value_(value) {}
int get() const FMT_NOEXCEPT { return value_; }
};
// A buffered file.
class buffered_file {
private:
FILE *file_;
friend class file;
explicit buffered_file(FILE *f) : file_(f) {}
public:
// Constructs a buffered_file object which doesn't represent any file.
buffered_file() FMT_NOEXCEPT : file_(FMT_NULL) {}
// Destroys the object closing the file it represents if any.
FMT_API ~buffered_file() FMT_NOEXCEPT;
private:
buffered_file(const buffered_file &) = delete;
void operator=(const buffered_file &) = delete;
public:
buffered_file(buffered_file &&other) FMT_NOEXCEPT : file_(other.file_) {
other.file_ = FMT_NULL;
}
buffered_file& operator=(buffered_file &&other) {
close();
file_ = other.file_;
other.file_ = FMT_NULL;
return *this;
}
// Opens a file.
FMT_API buffered_file(cstring_view filename, cstring_view mode);
// Closes the file.
FMT_API void close();
// Returns the pointer to a FILE object representing this file.
FILE *get() const FMT_NOEXCEPT { return file_; }
// We place parentheses around fileno to workaround a bug in some versions
// of MinGW that define fileno as a macro.
FMT_API int (fileno)() const;
void vprint(string_view format_str, format_args args) {
fmt::vprint(file_, format_str, args);
}
template <typename... Args>
inline void print(string_view format_str, const Args & ... args) {
vprint(format_str, make_format_args(args...));
}
};
// A file. Closed file is represented by a file object with descriptor -1.
// Methods that are not declared with FMT_NOEXCEPT may throw
// fmt::system_error in case of failure. Note that some errors such as
// closing the file multiple times will cause a crash on Windows rather
// than an exception. You can get standard behavior by overriding the
// invalid parameter handler with _set_invalid_parameter_handler.
class file {
private:
int fd_; // File descriptor.
// Constructs a file object with a given descriptor.
explicit file(int fd) : fd_(fd) {}
public:
// Possible values for the oflag argument to the constructor.
enum {
RDONLY = FMT_POSIX(O_RDONLY), // Open for reading only.
WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
RDWR = FMT_POSIX(O_RDWR) // Open for reading and writing.
};
// Constructs a file object which doesn't represent any file.
file() FMT_NOEXCEPT : fd_(-1) {}
// Opens a file and constructs a file object representing this file.
FMT_API file(cstring_view path, int oflag);
private:
file(const file &) = delete;
void operator=(const file &) = delete;
public:
file(file &&other) FMT_NOEXCEPT : fd_(other.fd_) {
other.fd_ = -1;
}
file& operator=(file &&other) {
close();
fd_ = other.fd_;
other.fd_ = -1;
return *this;
}
// Destroys the object closing the file it represents if any.
FMT_API ~file() FMT_NOEXCEPT;
// Returns the file descriptor.
int descriptor() const FMT_NOEXCEPT { return fd_; }
// Closes the file.
FMT_API void close();
// Returns the file size. The size has signed type for consistency with
// stat::st_size.
FMT_API long long size() const;
// Attempts to read count bytes from the file into the specified buffer.
FMT_API std::size_t read(void *buffer, std::size_t count);
// Attempts to write count bytes from the specified buffer to the file.
FMT_API std::size_t write(const void *buffer, std::size_t count);
// Duplicates a file descriptor with the dup function and returns
// the duplicate as a file object.
FMT_API static file dup(int fd);
// Makes fd be the copy of this file descriptor, closing fd first if
// necessary.
FMT_API void dup2(int fd);
// Makes fd be the copy of this file descriptor, closing fd first if
// necessary.
FMT_API void dup2(int fd, error_code &ec) FMT_NOEXCEPT;
// Creates a pipe setting up read_end and write_end file objects for reading
// and writing respectively.
FMT_API static void pipe(file &read_end, file &write_end);
// Creates a buffered_file object associated with this file and detaches
// this file object from the file.
FMT_API buffered_file fdopen(const char *mode);
};
// Returns the memory page size.
long getpagesize();
#if (defined(LC_NUMERIC_MASK) || defined(_MSC_VER)) && \
!defined(__ANDROID__) && !defined(__CYGWIN__) && !defined(__OpenBSD__) && \
!defined(__NEWLIB_H__)
# define FMT_LOCALE
#endif
#ifdef FMT_LOCALE
// A "C" numeric locale.
class Locale {
private:
# ifdef _MSC_VER
typedef _locale_t locale_t;
enum { LC_NUMERIC_MASK = LC_NUMERIC };
static locale_t newlocale(int category_mask, const char *locale, locale_t) {
return _create_locale(category_mask, locale);
}
static void freelocale(locale_t locale) {
_free_locale(locale);
}
static double strtod_l(const char *nptr, char **endptr, _locale_t locale) {
return _strtod_l(nptr, endptr, locale);
}
# endif
locale_t locale_;
Locale(const Locale &) = delete;
void operator=(const Locale &) = delete;
public:
typedef locale_t Type;
Locale() : locale_(newlocale(LC_NUMERIC_MASK, "C", FMT_NULL)) {
if (!locale_)
FMT_THROW(system_error(errno, "cannot create locale"));
}
~Locale() { freelocale(locale_); }
Type get() const { return locale_; }
// Converts string to floating-point number and advances str past the end
// of the parsed input.
double strtod(const char *&str) const {
char *end = FMT_NULL;
double result = strtod_l(str, &end, locale_);
str = end;
return result;
}
};
#endif // FMT_LOCALE
FMT_END_NAMESPACE
#endif // FMT_POSIX_H_

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@@ -0,0 +1,855 @@
// Formatting library for C++
//
// Copyright (c) 2012 - 2016, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_PRINTF_H_
#define FMT_PRINTF_H_
#include <algorithm> // std::fill_n
#include <limits> // std::numeric_limits
#include "ostream.h"
FMT_BEGIN_NAMESPACE
namespace internal {
// An iterator that produces a null terminator on *end. This simplifies parsing
// and allows comparing the performance of processing a null-terminated string
// vs string_view.
template <typename Char>
class null_terminating_iterator {
public:
typedef std::ptrdiff_t difference_type;
typedef Char value_type;
typedef const Char* pointer;
typedef const Char& reference;
typedef std::random_access_iterator_tag iterator_category;
null_terminating_iterator() : ptr_(0), end_(0) {}
FMT_CONSTEXPR null_terminating_iterator(const Char *ptr, const Char *end)
: ptr_(ptr), end_(end) {}
template <typename Range>
FMT_CONSTEXPR explicit null_terminating_iterator(const Range &r)
: ptr_(r.begin()), end_(r.end()) {}
FMT_CONSTEXPR null_terminating_iterator &operator=(const Char *ptr) {
assert(ptr <= end_);
ptr_ = ptr;
return *this;
}
FMT_CONSTEXPR Char operator*() const {
return ptr_ != end_ ? *ptr_ : Char();
}
FMT_CONSTEXPR null_terminating_iterator operator++() {
++ptr_;
return *this;
}
FMT_CONSTEXPR null_terminating_iterator operator++(int) {
null_terminating_iterator result(*this);
++ptr_;
return result;
}
FMT_CONSTEXPR null_terminating_iterator operator--() {
--ptr_;
return *this;
}
FMT_CONSTEXPR null_terminating_iterator operator+(difference_type n) {
return null_terminating_iterator(ptr_ + n, end_);
}
FMT_CONSTEXPR null_terminating_iterator operator-(difference_type n) {
return null_terminating_iterator(ptr_ - n, end_);
}
FMT_CONSTEXPR null_terminating_iterator operator+=(difference_type n) {
ptr_ += n;
return *this;
}
FMT_CONSTEXPR difference_type operator-(
null_terminating_iterator other) const {
return ptr_ - other.ptr_;
}
FMT_CONSTEXPR bool operator!=(null_terminating_iterator other) const {
return ptr_ != other.ptr_;
}
bool operator>=(null_terminating_iterator other) const {
return ptr_ >= other.ptr_;
}
// This should be a friend specialization pointer_from<Char> but the latter
// doesn't compile by gcc 5.1 due to a compiler bug.
template <typename CharT>
friend FMT_CONSTEXPR_DECL const CharT *pointer_from(
null_terminating_iterator<CharT> it);
private:
const Char *ptr_;
const Char *end_;
};
template <typename T>
FMT_CONSTEXPR const T *pointer_from(const T *p) { return p; }
template <typename Char>
FMT_CONSTEXPR const Char *pointer_from(null_terminating_iterator<Char> it) {
return it.ptr_;
}
// DEPRECATED: Parses the input as an unsigned integer. This function assumes
// that the first character is a digit and presence of a non-digit character at
// the end.
// it: an iterator pointing to the beginning of the input range.
template <typename Iterator, typename ErrorHandler>
FMT_CONSTEXPR unsigned parse_nonnegative_int(Iterator &it, ErrorHandler &&eh) {
assert('0' <= *it && *it <= '9');
if (*it == '0') {
++it;
return 0;
}
unsigned value = 0;
// Convert to unsigned to prevent a warning.
unsigned max_int = (std::numeric_limits<int>::max)();
unsigned big = max_int / 10;
do {
// Check for overflow.
if (value > big) {
value = max_int + 1;
break;
}
value = value * 10 + unsigned(*it - '0');
// Workaround for MSVC "setup_exception stack overflow" error:
auto next = it;
++next;
it = next;
} while ('0' <= *it && *it <= '9');
if (value > max_int)
eh.on_error("number is too big");
return value;
}
// Checks if a value fits in int - used to avoid warnings about comparing
// signed and unsigned integers.
template <bool IsSigned>
struct int_checker {
template <typename T>
static bool fits_in_int(T value) {
unsigned max = std::numeric_limits<int>::max();
return value <= max;
}
static bool fits_in_int(bool) { return true; }
};
template <>
struct int_checker<true> {
template <typename T>
static bool fits_in_int(T value) {
return value >= std::numeric_limits<int>::min() &&
value <= std::numeric_limits<int>::max();
}
static bool fits_in_int(int) { return true; }
};
class printf_precision_handler: public function<int> {
public:
template <typename T>
typename std::enable_if<std::is_integral<T>::value, int>::type
operator()(T value) {
if (!int_checker<std::numeric_limits<T>::is_signed>::fits_in_int(value))
FMT_THROW(format_error("number is too big"));
return static_cast<int>(value);
}
template <typename T>
typename std::enable_if<!std::is_integral<T>::value, int>::type operator()(T) {
FMT_THROW(format_error("precision is not integer"));
return 0;
}
};
// An argument visitor that returns true iff arg is a zero integer.
class is_zero_int: public function<bool> {
public:
template <typename T>
typename std::enable_if<std::is_integral<T>::value, bool>::type
operator()(T value) { return value == 0; }
template <typename T>
typename std::enable_if<!std::is_integral<T>::value, bool>::type
operator()(T) { return false; }
};
template <typename T>
struct make_unsigned_or_bool : std::make_unsigned<T> {};
template <>
struct make_unsigned_or_bool<bool> {
typedef bool type;
};
template <typename T, typename Context>
class arg_converter: public function<void> {
private:
typedef typename Context::char_type Char;
basic_format_arg<Context> &arg_;
typename Context::char_type type_;
public:
arg_converter(basic_format_arg<Context> &arg, Char type)
: arg_(arg), type_(type) {}
void operator()(bool value) {
if (type_ != 's')
operator()<bool>(value);
}
template <typename U>
typename std::enable_if<std::is_integral<U>::value>::type
operator()(U value) {
bool is_signed = type_ == 'd' || type_ == 'i';
typedef typename std::conditional<
std::is_same<T, void>::value, U, T>::type TargetType;
if (const_check(sizeof(TargetType) <= sizeof(int))) {
// Extra casts are used to silence warnings.
if (is_signed) {
arg_ = internal::make_arg<Context>(
static_cast<int>(static_cast<TargetType>(value)));
} else {
typedef typename make_unsigned_or_bool<TargetType>::type Unsigned;
arg_ = internal::make_arg<Context>(
static_cast<unsigned>(static_cast<Unsigned>(value)));
}
} else {
if (is_signed) {
// glibc's printf doesn't sign extend arguments of smaller types:
// std::printf("%lld", -42); // prints "4294967254"
// but we don't have to do the same because it's a UB.
arg_ = internal::make_arg<Context>(static_cast<long long>(value));
} else {
arg_ = internal::make_arg<Context>(
static_cast<typename make_unsigned_or_bool<U>::type>(value));
}
}
}
template <typename U>
typename std::enable_if<!std::is_integral<U>::value>::type operator()(U) {
// No coversion needed for non-integral types.
}
};
// Converts an integer argument to T for printf, if T is an integral type.
// If T is void, the argument is converted to corresponding signed or unsigned
// type depending on the type specifier: 'd' and 'i' - signed, other -
// unsigned).
template <typename T, typename Context, typename Char>
void convert_arg(basic_format_arg<Context> &arg, Char type) {
visit_format_arg(arg_converter<T, Context>(arg, type), arg);
}
// Converts an integer argument to char for printf.
template <typename Context>
class char_converter: public function<void> {
private:
basic_format_arg<Context> &arg_;
public:
explicit char_converter(basic_format_arg<Context> &arg) : arg_(arg) {}
template <typename T>
typename std::enable_if<std::is_integral<T>::value>::type
operator()(T value) {
typedef typename Context::char_type Char;
arg_ = internal::make_arg<Context>(static_cast<Char>(value));
}
template <typename T>
typename std::enable_if<!std::is_integral<T>::value>::type operator()(T) {
// No coversion needed for non-integral types.
}
};
// Checks if an argument is a valid printf width specifier and sets
// left alignment if it is negative.
template <typename Char>
class printf_width_handler: public function<unsigned> {
private:
typedef basic_format_specs<Char> format_specs;
format_specs &spec_;
public:
explicit printf_width_handler(format_specs &spec) : spec_(spec) {}
template <typename T>
typename std::enable_if<std::is_integral<T>::value, unsigned>::type
operator()(T value) {
typedef typename internal::int_traits<T>::main_type UnsignedType;
UnsignedType width = static_cast<UnsignedType>(value);
if (internal::is_negative(value)) {
spec_.align_ = ALIGN_LEFT;
width = 0 - width;
}
unsigned int_max = std::numeric_limits<int>::max();
if (width > int_max)
FMT_THROW(format_error("number is too big"));
return static_cast<unsigned>(width);
}
template <typename T>
typename std::enable_if<!std::is_integral<T>::value, unsigned>::type
operator()(T) {
FMT_THROW(format_error("width is not integer"));
return 0;
}
};
template <typename Char, typename Context>
void printf(basic_buffer<Char> &buf, basic_string_view<Char> format,
basic_format_args<Context> args) {
Context(std::back_inserter(buf), format, args).format();
}
} // namespace internal
using internal::printf; // For printing into memory_buffer.
template <typename Range>
class printf_arg_formatter;
template <
typename OutputIt, typename Char,
typename ArgFormatter =
printf_arg_formatter<back_insert_range<internal::basic_buffer<Char>>>>
class basic_printf_context;
/**
\rst
The ``printf`` argument formatter.
\endrst
*/
template <typename Range>
class printf_arg_formatter:
public internal::function<
typename internal::arg_formatter_base<Range>::iterator>,
public internal::arg_formatter_base<Range> {
private:
typedef typename Range::value_type char_type;
typedef decltype(internal::declval<Range>().begin()) iterator;
typedef internal::arg_formatter_base<Range> base;
typedef basic_printf_context<iterator, char_type> context_type;
context_type &context_;
void write_null_pointer(char) {
this->spec()->type = 0;
this->write("(nil)");
}
void write_null_pointer(wchar_t) {
this->spec()->type = 0;
this->write(L"(nil)");
}
public:
typedef typename base::format_specs format_specs;
/**
\rst
Constructs an argument formatter object.
*buffer* is a reference to the output buffer and *spec* contains format
specifier information for standard argument types.
\endrst
*/
printf_arg_formatter(internal::basic_buffer<char_type> &buffer,
format_specs &spec, context_type &ctx)
: base(back_insert_range<internal::basic_buffer<char_type>>(buffer), &spec,
ctx.locale()),
context_(ctx) {}
template <typename T>
typename std::enable_if<std::is_integral<T>::value, iterator>::type
operator()(T value) {
// MSVC2013 fails to compile separate overloads for bool and char_type so
// use std::is_same instead.
if (std::is_same<T, bool>::value) {
format_specs &fmt_spec = *this->spec();
if (fmt_spec.type != 's')
return base::operator()(value ? 1 : 0);
fmt_spec.type = 0;
this->write(value != 0);
} else if (std::is_same<T, char_type>::value) {
format_specs &fmt_spec = *this->spec();
if (fmt_spec.type && fmt_spec.type != 'c')
return (*this)(static_cast<int>(value));
fmt_spec.flags = 0;
fmt_spec.align_ = ALIGN_RIGHT;
return base::operator()(value);
} else {
return base::operator()(value);
}
return this->out();
}
template <typename T>
typename std::enable_if<std::is_floating_point<T>::value, iterator>::type
operator()(T value) {
return base::operator()(value);
}
/** Formats a null-terminated C string. */
iterator operator()(const char *value) {
if (value)
base::operator()(value);
else if (this->spec()->type == 'p')
write_null_pointer(char_type());
else
this->write("(null)");
return this->out();
}
/** Formats a null-terminated wide C string. */
iterator operator()(const wchar_t *value) {
if (value)
base::operator()(value);
else if (this->spec()->type == 'p')
write_null_pointer(char_type());
else
this->write(L"(null)");
return this->out();
}
iterator operator()(basic_string_view<char_type> value) {
return base::operator()(value);
}
iterator operator()(monostate value) {
return base::operator()(value);
}
/** Formats a pointer. */
iterator operator()(const void *value) {
if (value)
return base::operator()(value);
this->spec()->type = 0;
write_null_pointer(char_type());
return this->out();
}
/** Formats an argument of a custom (user-defined) type. */
iterator operator()(typename basic_format_arg<context_type>::handle handle) {
handle.format(context_);
return this->out();
}
};
template <typename T>
struct printf_formatter {
template <typename ParseContext>
auto parse(ParseContext &ctx) -> decltype(ctx.begin()) { return ctx.begin(); }
template <typename FormatContext>
auto format(const T &value, FormatContext &ctx) -> decltype(ctx.out()) {
internal::format_value(internal::get_container(ctx.out()), value);
return ctx.out();
}
};
/** This template formats data and writes the output to a writer. */
template <typename OutputIt, typename Char, typename ArgFormatter>
class basic_printf_context :
// Inherit publicly as a workaround for the icc bug
// https://software.intel.com/en-us/forums/intel-c-compiler/topic/783476.
public internal::context_base<
OutputIt, basic_printf_context<OutputIt, Char, ArgFormatter>, Char> {
public:
/** The character type for the output. */
typedef Char char_type;
template <typename T>
struct formatter_type { typedef printf_formatter<T> type; };
private:
typedef internal::context_base<OutputIt, basic_printf_context, Char> base;
typedef typename base::format_arg format_arg;
typedef basic_format_specs<char_type> format_specs;
typedef internal::null_terminating_iterator<char_type> iterator;
void parse_flags(format_specs &spec, iterator &it);
// Returns the argument with specified index or, if arg_index is equal
// to the maximum unsigned value, the next argument.
format_arg get_arg(
iterator it,
unsigned arg_index = (std::numeric_limits<unsigned>::max)());
// Parses argument index, flags and width and returns the argument index.
unsigned parse_header(iterator &it, format_specs &spec);
public:
/**
\rst
Constructs a ``printf_context`` object. References to the arguments and
the writer are stored in the context object so make sure they have
appropriate lifetimes.
\endrst
*/
basic_printf_context(OutputIt out, basic_string_view<char_type> format_str,
basic_format_args<basic_printf_context> args)
: base(out, format_str, args) {}
using base::parse_context;
using base::out;
using base::advance_to;
/** Formats stored arguments and writes the output to the range. */
void format();
};
template <typename OutputIt, typename Char, typename AF>
void basic_printf_context<OutputIt, Char, AF>::parse_flags(
format_specs &spec, iterator &it) {
for (;;) {
switch (*it++) {
case '-':
spec.align_ = ALIGN_LEFT;
break;
case '+':
spec.flags |= SIGN_FLAG | PLUS_FLAG;
break;
case '0':
spec.fill_ = '0';
break;
case ' ':
spec.flags |= SIGN_FLAG;
break;
case '#':
spec.flags |= HASH_FLAG;
break;
default:
--it;
return;
}
}
}
template <typename OutputIt, typename Char, typename AF>
typename basic_printf_context<OutputIt, Char, AF>::format_arg
basic_printf_context<OutputIt, Char, AF>::get_arg(
iterator it, unsigned arg_index) {
(void)it;
if (arg_index == std::numeric_limits<unsigned>::max())
return this->do_get_arg(this->parse_context().next_arg_id());
return base::get_arg(arg_index - 1);
}
template <typename OutputIt, typename Char, typename AF>
unsigned basic_printf_context<OutputIt, Char, AF>::parse_header(
iterator &it, format_specs &spec) {
unsigned arg_index = std::numeric_limits<unsigned>::max();
char_type c = *it;
if (c >= '0' && c <= '9') {
// Parse an argument index (if followed by '$') or a width possibly
// preceded with '0' flag(s).
internal::error_handler eh;
unsigned value = parse_nonnegative_int(it, eh);
if (*it == '$') { // value is an argument index
++it;
arg_index = value;
} else {
if (c == '0')
spec.fill_ = '0';
if (value != 0) {
// Nonzero value means that we parsed width and don't need to
// parse it or flags again, so return now.
spec.width_ = value;
return arg_index;
}
}
}
parse_flags(spec, it);
// Parse width.
if (*it >= '0' && *it <= '9') {
internal::error_handler eh;
spec.width_ = parse_nonnegative_int(it, eh);
} else if (*it == '*') {
++it;
spec.width_ = visit_format_arg(
internal::printf_width_handler<char_type>(spec), get_arg(it));
}
return arg_index;
}
template <typename OutputIt, typename Char, typename AF>
void basic_printf_context<OutputIt, Char, AF>::format() {
auto &buffer = internal::get_container(this->out());
auto start = iterator(this->parse_context());
auto it = start;
using internal::pointer_from;
while (*it) {
char_type c = *it++;
if (c != '%') continue;
if (*it == c) {
buffer.append(pointer_from(start), pointer_from(it));
start = ++it;
continue;
}
buffer.append(pointer_from(start), pointer_from(it) - 1);
format_specs spec;
spec.align_ = ALIGN_RIGHT;
// Parse argument index, flags and width.
unsigned arg_index = parse_header(it, spec);
// Parse precision.
if (*it == '.') {
++it;
if ('0' <= *it && *it <= '9') {
internal::error_handler eh;
spec.precision = static_cast<int>(parse_nonnegative_int(it, eh));
} else if (*it == '*') {
++it;
spec.precision =
visit_format_arg(internal::printf_precision_handler(), get_arg(it));
} else {
spec.precision = 0;
}
}
format_arg arg = get_arg(it, arg_index);
if (spec.has(HASH_FLAG) && visit_format_arg(internal::is_zero_int(), arg))
spec.flags = static_cast<uint_least8_t>(spec.flags & (~internal::to_unsigned<int>(HASH_FLAG)));
if (spec.fill_ == '0') {
if (arg.is_arithmetic())
spec.align_ = ALIGN_NUMERIC;
else
spec.fill_ = ' '; // Ignore '0' flag for non-numeric types.
}
// Parse length and convert the argument to the required type.
using internal::convert_arg;
switch (*it++) {
case 'h':
if (*it == 'h')
convert_arg<signed char>(arg, *++it);
else
convert_arg<short>(arg, *it);
break;
case 'l':
if (*it == 'l')
convert_arg<long long>(arg, *++it);
else
convert_arg<long>(arg, *it);
break;
case 'j':
convert_arg<intmax_t>(arg, *it);
break;
case 'z':
convert_arg<std::size_t>(arg, *it);
break;
case 't':
convert_arg<std::ptrdiff_t>(arg, *it);
break;
case 'L':
// printf produces garbage when 'L' is omitted for long double, no
// need to do the same.
break;
default:
--it;
convert_arg<void>(arg, *it);
}
// Parse type.
if (!*it)
FMT_THROW(format_error("invalid format string"));
spec.type = static_cast<char>(*it++);
if (arg.is_integral()) {
// Normalize type.
switch (spec.type) {
case 'i': case 'u':
spec.type = 'd';
break;
case 'c':
// TODO: handle wchar_t better?
visit_format_arg(
internal::char_converter<basic_printf_context>(arg), arg);
break;
}
}
start = it;
// Format argument.
visit_format_arg(AF(buffer, spec, *this), arg);
}
buffer.append(pointer_from(start), pointer_from(it));
}
template <typename Buffer>
struct basic_printf_context_t {
typedef basic_printf_context<
std::back_insert_iterator<Buffer>, typename Buffer::value_type> type;
};
typedef basic_printf_context_t<internal::buffer>::type printf_context;
typedef basic_printf_context_t<internal::wbuffer>::type wprintf_context;
typedef basic_format_args<printf_context> printf_args;
typedef basic_format_args<wprintf_context> wprintf_args;
/**
\rst
Constructs an `~fmt::format_arg_store` object that contains references to
arguments and can be implicitly converted to `~fmt::printf_args`.
\endrst
*/
template<typename... Args>
inline format_arg_store<printf_context, Args...>
make_printf_args(const Args &... args) { return {args...}; }
/**
\rst
Constructs an `~fmt::format_arg_store` object that contains references to
arguments and can be implicitly converted to `~fmt::wprintf_args`.
\endrst
*/
template<typename... Args>
inline format_arg_store<wprintf_context, Args...>
make_wprintf_args(const Args &... args) { return {args...}; }
template <typename S, typename Char = FMT_CHAR(S)>
inline std::basic_string<Char>
vsprintf(const S &format,
basic_format_args<typename basic_printf_context_t<
internal::basic_buffer<Char>>::type> args) {
basic_memory_buffer<Char> buffer;
printf(buffer, to_string_view(format), args);
return to_string(buffer);
}
/**
\rst
Formats arguments and returns the result as a string.
**Example**::
std::string message = fmt::sprintf("The answer is %d", 42);
\endrst
*/
template <typename S, typename... Args>
inline FMT_ENABLE_IF_T(
internal::is_string<S>::value, std::basic_string<FMT_CHAR(S)>)
sprintf(const S &format, const Args & ... args) {
internal::check_format_string<Args...>(format);
typedef internal::basic_buffer<FMT_CHAR(S)> buffer;
typedef typename basic_printf_context_t<buffer>::type context;
format_arg_store<context, Args...> as{ args... };
return vsprintf(to_string_view(format),
basic_format_args<context>(as));
}
template <typename S, typename Char = FMT_CHAR(S)>
inline int vfprintf(std::FILE *f, const S &format,
basic_format_args<typename basic_printf_context_t<
internal::basic_buffer<Char>>::type> args) {
basic_memory_buffer<Char> buffer;
printf(buffer, to_string_view(format), args);
std::size_t size = buffer.size();
return std::fwrite(
buffer.data(), sizeof(Char), size, f) < size ? -1 : static_cast<int>(size);
}
/**
\rst
Prints formatted data to the file *f*.
**Example**::
fmt::fprintf(stderr, "Don't %s!", "panic");
\endrst
*/
template <typename S, typename... Args>
inline FMT_ENABLE_IF_T(internal::is_string<S>::value, int)
fprintf(std::FILE *f, const S &format, const Args & ... args) {
internal::check_format_string<Args...>(format);
typedef internal::basic_buffer<FMT_CHAR(S)> buffer;
typedef typename basic_printf_context_t<buffer>::type context;
format_arg_store<context, Args...> as{ args... };
return vfprintf(f, to_string_view(format),
basic_format_args<context>(as));
}
template <typename S, typename Char = FMT_CHAR(S)>
inline int vprintf(const S &format,
basic_format_args<typename basic_printf_context_t<
internal::basic_buffer<Char>>::type> args) {
return vfprintf(stdout, to_string_view(format), args);
}
/**
\rst
Prints formatted data to ``stdout``.
**Example**::
fmt::printf("Elapsed time: %.2f seconds", 1.23);
\endrst
*/
template <typename S, typename... Args>
inline FMT_ENABLE_IF_T(internal::is_string<S>::value, int)
printf(const S &format_str, const Args & ... args) {
internal::check_format_string<Args...>(format_str);
typedef internal::basic_buffer<FMT_CHAR(S)> buffer;
typedef typename basic_printf_context_t<buffer>::type context;
format_arg_store<context, Args...> as{ args... };
return vprintf(to_string_view(format_str),
basic_format_args<context>(as));
}
template <typename S, typename Char = FMT_CHAR(S)>
inline int vfprintf(std::basic_ostream<Char> &os,
const S &format,
basic_format_args<typename basic_printf_context_t<
internal::basic_buffer<Char>>::type> args) {
basic_memory_buffer<Char> buffer;
printf(buffer, to_string_view(format), args);
internal::write(os, buffer);
return static_cast<int>(buffer.size());
}
/**
\rst
Prints formatted data to the stream *os*.
**Example**::
fmt::fprintf(cerr, "Don't %s!", "panic");
\endrst
*/
template <typename S, typename... Args>
inline FMT_ENABLE_IF_T(internal::is_string<S>::value, int)
fprintf(std::basic_ostream<FMT_CHAR(S)> &os,
const S &format_str, const Args & ... args) {
internal::check_format_string<Args...>(format_str);
typedef internal::basic_buffer<FMT_CHAR(S)> buffer;
typedef typename basic_printf_context_t<buffer>::type context;
format_arg_store<context, Args...> as{ args... };
return vfprintf(os, to_string_view(format_str),
basic_format_args<context>(as));
}
FMT_END_NAMESPACE
#endif // FMT_PRINTF_H_

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// Formatting library for C++ - the core API
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
//
// Copyright (c) 2018 - present, Remotion (Igor Schulz)
// All Rights Reserved
// {fmt} support for ranges, containers and types tuple interface.
#ifndef FMT_RANGES_H_
#define FMT_RANGES_H_
#include "format.h"
#include <type_traits>
// output only up to N items from the range.
#ifndef FMT_RANGE_OUTPUT_LENGTH_LIMIT
# define FMT_RANGE_OUTPUT_LENGTH_LIMIT 256
#endif
FMT_BEGIN_NAMESPACE
template <typename Char>
struct formatting_base {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
};
template <typename Char, typename Enable = void>
struct formatting_range : formatting_base<Char> {
static FMT_CONSTEXPR_DECL const std::size_t range_length_limit =
FMT_RANGE_OUTPUT_LENGTH_LIMIT; // output only up to N items from the range.
Char prefix;
Char delimiter;
Char postfix;
formatting_range() : prefix('{'), delimiter(','), postfix('}') {}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
};
template <typename Char, typename Enable = void>
struct formatting_tuple : formatting_base<Char> {
Char prefix;
Char delimiter;
Char postfix;
formatting_tuple() : prefix('('), delimiter(','), postfix(')') {}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
};
namespace internal {
template <typename RangeT, typename OutputIterator>
void copy(const RangeT &range, OutputIterator out) {
for (auto it = range.begin(), end = range.end(); it != end; ++it)
*out++ = *it;
}
template <typename OutputIterator>
void copy(const char *str, OutputIterator out) {
const char *p_curr = str;
while (*p_curr) {
*out++ = *p_curr++;
}
}
template <typename OutputIterator>
void copy(char ch, OutputIterator out) {
*out++ = ch;
}
/// Return true value if T has std::string interface, like std::string_view.
template <typename T>
class is_like_std_string {
template <typename U>
static auto check(U *p) ->
decltype(p->find('a'), p->length(), p->data(), int());
template <typename>
static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value =
!std::is_void<decltype(check<T>(FMT_NULL))>::value;
};
template <typename Char>
struct is_like_std_string<fmt::basic_string_view<Char>> : std::true_type {};
template <typename... Ts>
struct conditional_helper {};
template <typename T, typename _ = void>
struct is_range_ : std::false_type {};
#if !FMT_MSC_VER || FMT_MSC_VER > 1800
template <typename T>
struct is_range_<T, typename std::conditional<
false,
conditional_helper<decltype(internal::declval<T>().begin()),
decltype(internal::declval<T>().end())>,
void>::type> : std::true_type {};
#endif
/// tuple_size and tuple_element check.
template <typename T>
class is_tuple_like_ {
template <typename U>
static auto check(U *p) ->
decltype(std::tuple_size<U>::value,
internal::declval<typename std::tuple_element<0, U>::type>(), int());
template <typename>
static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value =
!std::is_void<decltype(check<T>(FMT_NULL))>::value;
};
// Check for integer_sequence
#if defined(__cpp_lib_integer_sequence) || FMT_MSC_VER >= 1900
template <typename T, T... N>
using integer_sequence = std::integer_sequence<T, N...>;
template <std::size_t... N>
using index_sequence = std::index_sequence<N...>;
template <std::size_t N>
using make_index_sequence = std::make_index_sequence<N>;
#else
template <typename T, T... N>
struct integer_sequence {
typedef T value_type;
static FMT_CONSTEXPR std::size_t size() {
return sizeof...(N);
}
};
template <std::size_t... N>
using index_sequence = integer_sequence<std::size_t, N...>;
template <typename T, std::size_t N, T... Ns>
struct make_integer_sequence : make_integer_sequence<T, N - 1, N - 1, Ns...> {};
template <typename T, T... Ns>
struct make_integer_sequence<T, 0, Ns...> : integer_sequence<T, Ns...> {};
template <std::size_t N>
using make_index_sequence = make_integer_sequence<std::size_t, N>;
#endif
template <class Tuple, class F, size_t... Is>
void for_each(index_sequence<Is...>, Tuple &&tup, F &&f) FMT_NOEXCEPT {
using std::get;
// using free function get<I>(T) now.
const int _[] = {0, ((void)f(get<Is>(tup)), 0)...};
(void)_; // blocks warnings
}
template <class T>
FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value>
get_indexes(T const &) { return {}; }
template <class Tuple, class F>
void for_each(Tuple &&tup, F &&f) {
const auto indexes = get_indexes(tup);
for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f));
}
template<typename Arg>
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&,
typename std::enable_if<
!is_like_std_string<typename std::decay<Arg>::type>::value>::type* = nullptr) {
return add_space ? " {}" : "{}";
}
template<typename Arg>
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&,
typename std::enable_if<
is_like_std_string<typename std::decay<Arg>::type>::value>::type* = nullptr) {
return add_space ? " \"{}\"" : "\"{}\"";
}
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char*) {
return add_space ? " \"{}\"" : "\"{}\"";
}
FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t*) {
return add_space ? L" \"{}\"" : L"\"{}\"";
}
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char) {
return add_space ? " '{}'" : "'{}'";
}
FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t) {
return add_space ? L" '{}'" : L"'{}'";
}
} // namespace internal
template <typename T>
struct is_tuple_like {
static FMT_CONSTEXPR_DECL const bool value =
internal::is_tuple_like_<T>::value && !internal::is_range_<T>::value;
};
template <typename TupleT, typename Char>
struct formatter<TupleT, Char,
typename std::enable_if<fmt::is_tuple_like<TupleT>::value>::type> {
private:
// C++11 generic lambda for format()
template <typename FormatContext>
struct format_each {
template <typename T>
void operator()(const T& v) {
if (i > 0) {
if (formatting.add_prepostfix_space) {
*out++ = ' ';
}
internal::copy(formatting.delimiter, out);
}
format_to(out,
internal::format_str_quoted(
(formatting.add_delimiter_spaces && i > 0), v),
v);
++i;
}
formatting_tuple<Char>& formatting;
std::size_t& i;
typename std::add_lvalue_reference<decltype(std::declval<FormatContext>().out())>::type out;
};
public:
formatting_tuple<Char> formatting;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
return formatting.parse(ctx);
}
template <typename FormatContext = format_context>
auto format(const TupleT &values, FormatContext &ctx) -> decltype(ctx.out()) {
auto out = ctx.out();
std::size_t i = 0;
internal::copy(formatting.prefix, out);
internal::for_each(values, format_each<FormatContext>{formatting, i, out});
if (formatting.add_prepostfix_space) {
*out++ = ' ';
}
internal::copy(formatting.postfix, out);
return ctx.out();
}
};
template <typename T>
struct is_range {
static FMT_CONSTEXPR_DECL const bool value =
internal::is_range_<T>::value && !internal::is_like_std_string<T>::value;
};
template <typename RangeT, typename Char>
struct formatter<RangeT, Char,
typename std::enable_if<fmt::is_range<RangeT>::value>::type> {
formatting_range<Char> formatting;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
return formatting.parse(ctx);
}
template <typename FormatContext>
typename FormatContext::iterator format(
const RangeT &values, FormatContext &ctx) {
auto out = ctx.out();
internal::copy(formatting.prefix, out);
std::size_t i = 0;
for (auto it = values.begin(), end = values.end(); it != end; ++it) {
if (i > 0) {
if (formatting.add_prepostfix_space) {
*out++ = ' ';
}
internal::copy(formatting.delimiter, out);
}
format_to(out,
internal::format_str_quoted(
(formatting.add_delimiter_spaces && i > 0), *it),
*it);
if (++i > formatting.range_length_limit) {
format_to(out, " ... <other elements>");
break;
}
}
if (formatting.add_prepostfix_space) {
*out++ = ' ';
}
internal::copy(formatting.postfix, out);
return ctx.out();
}
};
FMT_END_NAMESPACE
#endif // FMT_RANGES_H_

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// Formatting library for C++ - time formatting
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_TIME_H_
#define FMT_TIME_H_
#include "format.h"
#include <ctime>
#include <locale>
FMT_BEGIN_NAMESPACE
// Prevents expansion of a preceding token as a function-style macro.
// Usage: f FMT_NOMACRO()
#define FMT_NOMACRO
namespace internal{
inline null<> localtime_r FMT_NOMACRO(...) { return null<>(); }
inline null<> localtime_s(...) { return null<>(); }
inline null<> gmtime_r(...) { return null<>(); }
inline null<> gmtime_s(...) { return null<>(); }
} // namespace internal
// Thread-safe replacement for std::localtime
inline std::tm localtime(std::time_t time) {
struct dispatcher {
std::time_t time_;
std::tm tm_;
dispatcher(std::time_t t): time_(t) {}
bool run() {
using namespace fmt::internal;
return handle(localtime_r(&time_, &tm_));
}
bool handle(std::tm *tm) { return tm != FMT_NULL; }
bool handle(internal::null<>) {
using namespace fmt::internal;
return fallback(localtime_s(&tm_, &time_));
}
bool fallback(int res) { return res == 0; }
#if !FMT_MSC_VER
bool fallback(internal::null<>) {
using namespace fmt::internal;
std::tm *tm = std::localtime(&time_);
if (tm) tm_ = *tm;
return tm != FMT_NULL;
}
#endif
};
dispatcher lt(time);
// Too big time values may be unsupported.
if (!lt.run())
FMT_THROW(format_error("time_t value out of range"));
return lt.tm_;
}
// Thread-safe replacement for std::gmtime
inline std::tm gmtime(std::time_t time) {
struct dispatcher {
std::time_t time_;
std::tm tm_;
dispatcher(std::time_t t): time_(t) {}
bool run() {
using namespace fmt::internal;
return handle(gmtime_r(&time_, &tm_));
}
bool handle(std::tm *tm) { return tm != FMT_NULL; }
bool handle(internal::null<>) {
using namespace fmt::internal;
return fallback(gmtime_s(&tm_, &time_));
}
bool fallback(int res) { return res == 0; }
#if !FMT_MSC_VER
bool fallback(internal::null<>) {
std::tm *tm = std::gmtime(&time_);
if (tm) tm_ = *tm;
return tm != FMT_NULL;
}
#endif
};
dispatcher gt(time);
// Too big time values may be unsupported.
if (!gt.run())
FMT_THROW(format_error("time_t value out of range"));
return gt.tm_;
}
namespace internal {
inline std::size_t strftime(char *str, std::size_t count, const char *format,
const std::tm *time) {
return std::strftime(str, count, format, time);
}
inline std::size_t strftime(wchar_t *str, std::size_t count,
const wchar_t *format, const std::tm *time) {
return std::wcsftime(str, count, format, time);
}
}
template <typename Char>
struct formatter<std::tm, Char> {
template <typename ParseContext>
auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
auto it = ctx.begin();
if (it != ctx.end() && *it == ':')
++it;
auto end = it;
while (end != ctx.end() && *end != '}')
++end;
tm_format.reserve(internal::to_unsigned(end - it + 1));
tm_format.append(it, end);
tm_format.push_back('\0');
return end;
}
template <typename FormatContext>
auto format(const std::tm &tm, FormatContext &ctx) -> decltype(ctx.out()) {
basic_memory_buffer<Char> buf;
std::size_t start = buf.size();
for (;;) {
std::size_t size = buf.capacity() - start;
std::size_t count =
internal::strftime(&buf[start], size, &tm_format[0], &tm);
if (count != 0) {
buf.resize(start + count);
break;
}
if (size >= tm_format.size() * 256) {
// If the buffer is 256 times larger than the format string, assume
// that `strftime` gives an empty result. There doesn't seem to be a
// better way to distinguish the two cases:
// https://github.com/fmtlib/fmt/issues/367
break;
}
const std::size_t MIN_GROWTH = 10;
buf.reserve(buf.capacity() + (size > MIN_GROWTH ? size : MIN_GROWTH));
}
return std::copy(buf.begin(), buf.end(), ctx.out());
}
basic_memory_buffer<Char> tm_format;
};
FMT_END_NAMESPACE
#endif // FMT_TIME_H_

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//
// Copyright(c) 2016-2018 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
//
// Include a bundled header-only copy of fmtlib or an external one.
// By default spdlog include its own copy.
//
#if !defined(SPDLOG_FMT_EXTERNAL)
#ifndef FMT_HEADER_ONLY
#define FMT_HEADER_ONLY
#endif
#ifndef FMT_USE_WINDOWS_H
#define FMT_USE_WINDOWS_H 0
#endif
#include "bundled/core.h"
#include "bundled/format.h"
#else // external fmtlib
#include <fmt/core.h>
#include <fmt/format.h>
#endif

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//
// Copyright(c) 2016 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
//
// include bundled or external copy of fmtlib's ostream support
//
#if !defined(SPDLOG_FMT_EXTERNAL)
#ifndef FMT_HEADER_ONLY
#define FMT_HEADER_ONLY
#endif
#include "bundled/ostream.h"
#include "fmt.h"
#else
#include <fmt/ostream.h>
#endif

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include "fmt/fmt.h"
#include "spdlog/details/log_msg.h"
namespace spdlog {
class formatter
{
public:
virtual ~formatter() = default;
virtual void format(const details::log_msg &msg, fmt::memory_buffer &dest) = 0;
virtual std::unique_ptr<formatter> clone() const = 0;
};
} // namespace spdlog

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//
// Copyright(c) 2015-2108 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
// Thread safe logger (except for set_pattern(..), set_formatter(..) and
// set_error_handler())
// Has name, log level, vector of std::shared sink pointers and formatter
// Upon each log write the logger:
// 1. Checks if its log level is enough to log the message and if yes:
// 2. Call the underlying sinks to do the job.
// 3. Each sink use its own private copy of a formatter to format the message
// and send to its destination.
//
// The use of private formatter per sink provides the opportunity to cache some
// formatted data,
// and support customize format per each sink.
#include "spdlog/common.h"
#include "spdlog/formatter.h"
#include "spdlog/sinks/sink.h"
#include <memory>
#include <string>
#include <vector>
namespace spdlog {
class logger
{
public:
logger(std::string name, sink_ptr single_sink);
logger(std::string name, sinks_init_list sinks);
template<typename It>
logger(std::string name, It begin, It end);
virtual ~logger();
logger(const logger &) = delete;
logger &operator=(const logger &) = delete;
template<typename... Args>
void log(level::level_enum lvl, const char *fmt, const Args &... args);
template<typename... Args>
void log(source_loc loc, level::level_enum lvl, const char *fmt, const Args &... args);
void log(level::level_enum lvl, const char *msg);
void log(source_loc loc, level::level_enum lvl, const char *msg);
template<typename... Args>
void trace(const char *fmt, const Args &... args);
template<typename... Args>
void debug(const char *fmt, const Args &... args);
template<typename... Args>
void info(const char *fmt, const Args &... args);
template<typename... Args>
void warn(const char *fmt, const Args &... args);
template<typename... Args>
void error(const char *fmt, const Args &... args);
template<typename... Args>
void critical(const char *fmt, const Args &... args);
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
#ifndef _WIN32
#error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows
#else
template<typename... Args>
void log(level::level_enum lvl, const wchar_t *fmt, const Args &... args);
template<typename... Args>
void log(source_loc source, level::level_enum lvl, const wchar_t *fmt, const Args &... args);
template<typename... Args>
void trace(const wchar_t *fmt, const Args &... args);
template<typename... Args>
void debug(const wchar_t *fmt, const Args &... args);
template<typename... Args>
void info(const wchar_t *fmt, const Args &... args);
template<typename... Args>
void warn(const wchar_t *fmt, const Args &... args);
template<typename... Args>
void error(const wchar_t *fmt, const Args &... args);
template<typename... Args>
void critical(const wchar_t *fmt, const Args &... args);
#endif // _WIN32
#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
template<class T>
void log(level::level_enum lvl, const T &);
// T can be statically converted to string_view
template<class T, typename std::enable_if<std::is_convertible<T, spdlog::string_view_t>::value, T>::type * = nullptr>
void log(source_loc loc, level::level_enum lvl, const T &);
// T cannot be statically converted to string_view
template<class T, typename std::enable_if<!std::is_convertible<T, spdlog::string_view_t>::value, T>::type * = nullptr>
void log(source_loc loc, level::level_enum lvl, const T &);
template<typename T>
void trace(const T &msg);
template<typename T>
void debug(const T &msg);
template<typename T>
void info(const T &msg);
template<typename T>
void warn(const T &msg);
template<typename T>
void error(const T &msg);
template<typename T>
void critical(const T &msg);
bool should_log(level::level_enum msg_level) const;
void set_level(level::level_enum log_level);
static level::level_enum default_level();
level::level_enum level() const;
const std::string &name() const;
// set formatting for the sinks in this logger.
// each sink will get a seperate instance of the formatter object.
void set_formatter(std::unique_ptr<formatter> formatter);
void set_pattern(std::string pattern, pattern_time_type time_type = pattern_time_type::local);
// flush functions
void flush();
void flush_on(level::level_enum log_level);
level::level_enum flush_level() const;
// sinks
const std::vector<sink_ptr> &sinks() const;
std::vector<sink_ptr> &sinks();
// error handler
void set_error_handler(log_err_handler err_handler);
log_err_handler error_handler() const;
// create new logger with same sinks and configuration.
virtual std::shared_ptr<logger> clone(std::string logger_name);
protected:
virtual void sink_it_(details::log_msg &msg);
virtual void flush_();
bool should_flush_(const details::log_msg &msg);
// default error handler.
// print the error to stderr with the max rate of 1 message/minute.
void default_err_handler_(const std::string &msg);
// increment the message count (only if defined(SPDLOG_ENABLE_MESSAGE_COUNTER))
void incr_msg_counter_(details::log_msg &msg);
const std::string name_;
std::vector<sink_ptr> sinks_;
spdlog::level_t level_{spdlog::logger::default_level()};
spdlog::level_t flush_level_{level::off};
log_err_handler err_handler_{[this](const std::string &msg) { this->default_err_handler_(msg); }};
std::atomic<time_t> last_err_time_{0};
std::atomic<size_t> msg_counter_{1};
};
} // namespace spdlog
#include "details/logger_impl.h"

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#ifndef SPDLOG_H
#include "spdlog/spdlog.h"
#endif
#include "spdlog/details/fmt_helper.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/details/os.h"
#include "spdlog/sinks/base_sink.h"
#include <android/log.h>
#include <chrono>
#include <mutex>
#include <string>
#include <thread>
#if !defined(SPDLOG_ANDROID_RETRIES)
#define SPDLOG_ANDROID_RETRIES 2
#endif
namespace spdlog {
namespace sinks {
/*
* Android sink (logging using __android_log_write)
*/
template<typename Mutex>
class android_sink final : public base_sink<Mutex>
{
public:
explicit android_sink(std::string tag = "spdlog", bool use_raw_msg = false)
: tag_(std::move(tag))
, use_raw_msg_(use_raw_msg)
{
}
protected:
void sink_it_(const details::log_msg &msg) override
{
const android_LogPriority priority = convert_to_android_(msg.level);
fmt::memory_buffer formatted;
if (use_raw_msg_)
{
details::fmt_helper::append_string_view(msg.payload, formatted);
}
else
{
sink::formatter_->format(msg, formatted);
}
formatted.push_back('\0');
const char *msg_output = formatted.data();
// See system/core/liblog/logger_write.c for explanation of return value
int ret = __android_log_write(priority, tag_.c_str(), msg_output);
int retry_count = 0;
while ((ret == -11 /*EAGAIN*/) && (retry_count < SPDLOG_ANDROID_RETRIES))
{
details::os::sleep_for_millis(5);
ret = __android_log_write(priority, tag_.c_str(), msg_output);
retry_count++;
}
if (ret < 0)
{
throw spdlog_ex("__android_log_write() failed", ret);
}
}
void flush_() override {}
private:
static android_LogPriority convert_to_android_(spdlog::level::level_enum level)
{
switch (level)
{
case spdlog::level::trace:
return ANDROID_LOG_VERBOSE;
case spdlog::level::debug:
return ANDROID_LOG_DEBUG;
case spdlog::level::info:
return ANDROID_LOG_INFO;
case spdlog::level::warn:
return ANDROID_LOG_WARN;
case spdlog::level::err:
return ANDROID_LOG_ERROR;
case spdlog::level::critical:
return ANDROID_LOG_FATAL;
default:
return ANDROID_LOG_DEFAULT;
}
}
std::string tag_;
bool use_raw_msg_;
};
using android_sink_mt = android_sink<std::mutex>;
using android_sink_st = android_sink<details::null_mutex>;
} // namespace sinks
// Create and register android syslog logger
template<typename Factory = default_factory>
inline std::shared_ptr<logger> android_logger_mt(const std::string &logger_name, const std::string &tag = "spdlog")
{
return Factory::template create<sinks::android_sink_mt>(logger_name, tag);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> android_logger_st(const std::string &logger_name, const std::string &tag = "spdlog")
{
return Factory::template create<sinks::android_sink_st>(logger_name, tag);
}
} // namespace spdlog

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//
// Copyright(c) 2017 spdlog authors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#ifndef SPDLOG_H
#include "spdlog/spdlog.h"
#endif
#include "spdlog/details/console_globals.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/details/os.h"
#include "spdlog/sinks/sink.h"
#include <memory>
#include <mutex>
#include <string>
#include <unordered_map>
namespace spdlog {
namespace sinks {
/**
* This sink prefixes the output with an ANSI escape sequence color code
* depending on the severity
* of the message.
* If no color terminal detected, omit the escape codes.
*/
template<typename TargetStream, class ConsoleMutex>
class ansicolor_sink final : public sink
{
public:
using mutex_t = typename ConsoleMutex::mutex_t;
ansicolor_sink()
: target_file_(TargetStream::stream())
, mutex_(ConsoleMutex::mutex())
{
should_do_colors_ = details::os::in_terminal(target_file_) && details::os::is_color_terminal();
colors_[level::trace] = white;
colors_[level::debug] = cyan;
colors_[level::info] = green;
colors_[level::warn] = yellow + bold;
colors_[level::err] = red + bold;
colors_[level::critical] = bold + on_red;
colors_[level::off] = reset;
}
~ansicolor_sink() override = default;
ansicolor_sink(const ansicolor_sink &other) = delete;
ansicolor_sink &operator=(const ansicolor_sink &other) = delete;
void set_color(level::level_enum color_level, const std::string &color)
{
std::lock_guard<mutex_t> lock(mutex_);
colors_[color_level] = color;
}
/// Formatting codes
const std::string reset = "\033[m";
const std::string bold = "\033[1m";
const std::string dark = "\033[2m";
const std::string underline = "\033[4m";
const std::string blink = "\033[5m";
const std::string reverse = "\033[7m";
const std::string concealed = "\033[8m";
const std::string clear_line = "\033[K";
// Foreground colors
const std::string black = "\033[30m";
const std::string red = "\033[31m";
const std::string green = "\033[32m";
const std::string yellow = "\033[33m";
const std::string blue = "\033[34m";
const std::string magenta = "\033[35m";
const std::string cyan = "\033[36m";
const std::string white = "\033[37m";
/// Background colors
const std::string on_black = "\033[40m";
const std::string on_red = "\033[41m";
const std::string on_green = "\033[42m";
const std::string on_yellow = "\033[43m";
const std::string on_blue = "\033[44m";
const std::string on_magenta = "\033[45m";
const std::string on_cyan = "\033[46m";
const std::string on_white = "\033[47m";
void log(const details::log_msg &msg) override
{
// Wrap the originally formatted message in color codes.
// If color is not supported in the terminal, log as is instead.
std::lock_guard<mutex_t> lock(mutex_);
fmt::memory_buffer formatted;
formatter_->format(msg, formatted);
if (should_do_colors_ && msg.color_range_end > msg.color_range_start)
{
// before color range
print_range_(formatted, 0, msg.color_range_start);
// in color range
print_ccode_(colors_[msg.level]);
print_range_(formatted, msg.color_range_start, msg.color_range_end);
print_ccode_(reset);
// after color range
print_range_(formatted, msg.color_range_end, formatted.size());
}
else // no color
{
print_range_(formatted, 0, formatted.size());
}
fflush(target_file_);
}
void flush() override
{
std::lock_guard<mutex_t> lock(mutex_);
fflush(target_file_);
}
void set_pattern(const std::string &pattern) final
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
}
void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::move(sink_formatter);
}
bool should_color()
{
return should_do_colors_;
}
private:
void print_ccode_(const std::string &color_code)
{
fwrite(color_code.data(), sizeof(char), color_code.size(), target_file_);
}
void print_range_(const fmt::memory_buffer &formatted, size_t start, size_t end)
{
fwrite(formatted.data() + start, sizeof(char), end - start, target_file_);
}
FILE *target_file_;
mutex_t &mutex_;
bool should_do_colors_;
std::unordered_map<level::level_enum, std::string, level::level_hasher> colors_;
};
using ansicolor_stdout_sink_mt = ansicolor_sink<details::console_stdout, details::console_mutex>;
using ansicolor_stdout_sink_st = ansicolor_sink<details::console_stdout, details::console_nullmutex>;
using ansicolor_stderr_sink_mt = ansicolor_sink<details::console_stderr, details::console_mutex>;
using ansicolor_stderr_sink_st = ansicolor_sink<details::console_stderr, details::console_nullmutex>;
} // namespace sinks
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
//
// base sink templated over a mutex (either dummy or real)
// concrete implementation should override the sink_it_() and flush_() methods.
// locking is taken care of in this class - no locking needed by the
// implementers..
//
#include "spdlog/common.h"
#include "spdlog/details/log_msg.h"
#include "spdlog/formatter.h"
#include "spdlog/sinks/sink.h"
namespace spdlog {
namespace sinks {
template<typename Mutex>
class base_sink : public sink
{
public:
base_sink() = default;
base_sink(const base_sink &) = delete;
base_sink &operator=(const base_sink &) = delete;
void log(const details::log_msg &msg) final
{
std::lock_guard<Mutex> lock(mutex_);
sink_it_(msg);
}
void flush() final
{
std::lock_guard<Mutex> lock(mutex_);
flush_();
}
void set_pattern(const std::string &pattern) final
{
std::lock_guard<Mutex> lock(mutex_);
set_pattern_(pattern);
}
void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) final
{
std::lock_guard<Mutex> lock(mutex_);
set_formatter_(std::move(sink_formatter));
}
protected:
virtual void sink_it_(const details::log_msg &msg) = 0;
virtual void flush_() = 0;
virtual void set_pattern_(const std::string &pattern)
{
set_formatter_(details::make_unique<spdlog::pattern_formatter>(pattern));
}
virtual void set_formatter_(std::unique_ptr<spdlog::formatter> sink_formatter)
{
formatter_ = std::move(sink_formatter);
}
Mutex mutex_;
};
} // namespace sinks
} // namespace spdlog

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//
// Copyright(c) 2015-2018 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#ifndef SPDLOG_H
#include "spdlog/spdlog.h"
#endif
#include "spdlog/details/file_helper.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/sinks/base_sink.h"
#include <mutex>
#include <string>
namespace spdlog {
namespace sinks {
/*
* Trivial file sink with single file as target
*/
template<typename Mutex>
class basic_file_sink final : public base_sink<Mutex>
{
public:
explicit basic_file_sink(const filename_t &filename, bool truncate = false)
{
file_helper_.open(filename, truncate);
}
const filename_t &filename() const
{
return file_helper_.filename();
}
protected:
void sink_it_(const details::log_msg &msg) override
{
fmt::memory_buffer formatted;
sink::formatter_->format(msg, formatted);
file_helper_.write(formatted);
}
void flush_() override
{
file_helper_.flush();
}
private:
details::file_helper file_helper_;
};
using basic_file_sink_mt = basic_file_sink<std::mutex>;
using basic_file_sink_st = basic_file_sink<details::null_mutex>;
} // namespace sinks
//
// factory functions
//
template<typename Factory = default_factory>
inline std::shared_ptr<logger> basic_logger_mt(const std::string &logger_name, const filename_t &filename, bool truncate = false)
{
return Factory::template create<sinks::basic_file_sink_mt>(logger_name, filename, truncate);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> basic_logger_st(const std::string &logger_name, const filename_t &filename, bool truncate = false)
{
return Factory::template create<sinks::basic_file_sink_st>(logger_name, filename, truncate);
}
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#ifndef SPDLOG_H
#include "spdlog/spdlog.h"
#endif
#include "spdlog/details/file_helper.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/fmt/fmt.h"
#include "spdlog/sinks/base_sink.h"
#include <chrono>
#include <cstdio>
#include <ctime>
#include <mutex>
#include <string>
namespace spdlog {
namespace sinks {
/*
* Generator of daily log file names in format basename.YYYY-MM-DD.ext
*/
struct daily_filename_calculator
{
// Create filename for the form basename.YYYY-MM-DD
static filename_t calc_filename(const filename_t &filename, const tm &now_tm)
{
filename_t basename, ext;
std::tie(basename, ext) = details::file_helper::split_by_extension(filename);
std::conditional<std::is_same<filename_t::value_type, char>::value, fmt::memory_buffer, fmt::wmemory_buffer>::type w;
fmt::format_to(
w, SPDLOG_FILENAME_T("{}_{:04d}-{:02d}-{:02d}{}"), basename, now_tm.tm_year + 1900, now_tm.tm_mon + 1, now_tm.tm_mday, ext);
return fmt::to_string(w);
}
};
/*
* Rotating file sink based on date. rotates at midnight
*/
template<typename Mutex, typename FileNameCalc = daily_filename_calculator>
class daily_file_sink final : public base_sink<Mutex>
{
public:
// create daily file sink which rotates on given time
daily_file_sink(filename_t base_filename, int rotation_hour, int rotation_minute, bool truncate = false)
: base_filename_(std::move(base_filename))
, rotation_h_(rotation_hour)
, rotation_m_(rotation_minute)
, truncate_(truncate)
{
if (rotation_hour < 0 || rotation_hour > 23 || rotation_minute < 0 || rotation_minute > 59)
{
throw spdlog_ex("daily_file_sink: Invalid rotation time in ctor");
}
auto now = log_clock::now();
file_helper_.open(FileNameCalc::calc_filename(base_filename_, now_tm(now)), truncate_);
rotation_tp_ = next_rotation_tp_();
}
const filename_t &filename() const
{
return file_helper_.filename();
}
protected:
void sink_it_(const details::log_msg &msg) override
{
if (msg.time >= rotation_tp_)
{
file_helper_.open(FileNameCalc::calc_filename(base_filename_, now_tm(msg.time)), truncate_);
rotation_tp_ = next_rotation_tp_();
}
fmt::memory_buffer formatted;
sink::formatter_->format(msg, formatted);
file_helper_.write(formatted);
}
void flush_() override
{
file_helper_.flush();
}
private:
tm now_tm(log_clock::time_point tp)
{
time_t tnow = log_clock::to_time_t(tp);
return spdlog::details::os::localtime(tnow);
}
log_clock::time_point next_rotation_tp_()
{
auto now = log_clock::now();
tm date = now_tm(now);
date.tm_hour = rotation_h_;
date.tm_min = rotation_m_;
date.tm_sec = 0;
auto rotation_time = log_clock::from_time_t(std::mktime(&date));
if (rotation_time > now)
{
return rotation_time;
}
return {rotation_time + std::chrono::hours(24)};
}
filename_t base_filename_;
int rotation_h_;
int rotation_m_;
log_clock::time_point rotation_tp_;
details::file_helper file_helper_;
bool truncate_;
};
using daily_file_sink_mt = daily_file_sink<std::mutex>;
using daily_file_sink_st = daily_file_sink<details::null_mutex>;
} // namespace sinks
//
// factory functions
//
template<typename Factory = default_factory>
inline std::shared_ptr<logger> daily_logger_mt(
const std::string &logger_name, const filename_t &filename, int hour = 0, int minute = 0, bool truncate = false)
{
return Factory::template create<sinks::daily_file_sink_mt>(logger_name, filename, hour, minute, truncate);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> daily_logger_st(
const std::string &logger_name, const filename_t &filename, int hour = 0, int minute = 0, bool truncate = false)
{
return Factory::template create<sinks::daily_file_sink_st>(logger_name, filename, hour, minute, truncate);
}
} // namespace spdlog

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//
// Copyright (c) 2015 David Schury, Gabi Melman
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#ifndef SPDLOG_H
#include "spdlog/spdlog.h"
#endif
#include "base_sink.h"
#include "spdlog/details/log_msg.h"
#include "spdlog/details/null_mutex.h"
#include <algorithm>
#include <memory>
#include <mutex>
#include <vector>
// Distribution sink (mux). Stores a vector of sinks which get called when log
// is called
namespace spdlog {
namespace sinks {
template<typename Mutex>
class dist_sink : public base_sink<Mutex>
{
public:
dist_sink() = default;
dist_sink(const dist_sink &) = delete;
dist_sink &operator=(const dist_sink &) = delete;
void add_sink(std::shared_ptr<sink> sink)
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
sinks_.push_back(sink);
}
void remove_sink(std::shared_ptr<sink> sink)
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
sinks_.erase(std::remove(sinks_.begin(), sinks_.end(), sink), sinks_.end());
}
void set_sinks(std::vector<std::shared_ptr<sink>> sinks)
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
sinks_ = std::move(sinks);
}
protected:
void sink_it_(const details::log_msg &msg) override
{
for (auto &sink : sinks_)
{
if (sink->should_log(msg.level))
{
sink->log(msg);
}
}
}
void flush_() override
{
for (auto &sink : sinks_)
{
sink->flush();
}
}
void set_pattern_(const std::string &pattern) override
{
set_formatter_(details::make_unique<spdlog::pattern_formatter>(pattern));
}
void set_formatter_(std::unique_ptr<spdlog::formatter> sink_formatter) override
{
base_sink<Mutex>::formatter_ = std::move(sink_formatter);
for (auto &sink : sinks_)
{
sink->set_formatter(base_sink<Mutex>::formatter_->clone());
}
}
std::vector<std::shared_ptr<sink>> sinks_;
};
using dist_sink_mt = dist_sink<std::mutex>;
using dist_sink_st = dist_sink<details::null_mutex>;
} // namespace sinks
} // namespace spdlog

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//
// Copyright(c) 2016 Alexander Dalshov.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#ifndef SPDLOG_H
#include "spdlog/spdlog.h"
#endif
#if defined(_WIN32)
#include "spdlog/details/null_mutex.h"
#include "spdlog/sinks/base_sink.h"
#include <winbase.h>
#include <mutex>
#include <string>
namespace spdlog {
namespace sinks {
/*
* MSVC sink (logging using OutputDebugStringA)
*/
template<typename Mutex>
class msvc_sink : public base_sink<Mutex>
{
public:
explicit msvc_sink() {}
protected:
void sink_it_(const details::log_msg &msg) override
{
fmt::memory_buffer formatted;
sink::formatter_->format(msg, formatted);
OutputDebugStringA(fmt::to_string(formatted).c_str());
}
void flush_() override {}
};
using msvc_sink_mt = msvc_sink<std::mutex>;
using msvc_sink_st = msvc_sink<details::null_mutex>;
using windebug_sink_mt = msvc_sink_mt;
using windebug_sink_st = msvc_sink_st;
} // namespace sinks
} // namespace spdlog
#endif

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#ifndef SPDLOG_H
#include "spdlog/spdlog.h"
#endif
#include "spdlog/details/null_mutex.h"
#include "spdlog/sinks/base_sink.h"
#include <mutex>
namespace spdlog {
namespace sinks {
template<typename Mutex>
class null_sink : public base_sink<Mutex>
{
protected:
void sink_it_(const details::log_msg &) override {}
void flush_() override {}
};
using null_sink_mt = null_sink<std::mutex>;
using null_sink_st = null_sink<details::null_mutex>;
} // namespace sinks
template<typename Factory = default_factory>
inline std::shared_ptr<logger> null_logger_mt(const std::string &logger_name)
{
auto null_logger = Factory::template create<sinks::null_sink_mt>(logger_name);
null_logger->set_level(level::off);
return null_logger;
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> null_logger_st(const std::string &logger_name)
{
auto null_logger = Factory::template create<sinks::null_sink_st>(logger_name);
null_logger->set_level(level::off);
return null_logger;
}
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#ifndef SPDLOG_H
#include "spdlog/spdlog.h"
#endif
#include "spdlog/details/null_mutex.h"
#include "spdlog/sinks/base_sink.h"
#include <mutex>
#include <ostream>
namespace spdlog {
namespace sinks {
template<typename Mutex>
class ostream_sink final : public base_sink<Mutex>
{
public:
explicit ostream_sink(std::ostream &os, bool force_flush = false)
: ostream_(os)
, force_flush_(force_flush)
{
}
ostream_sink(const ostream_sink &) = delete;
ostream_sink &operator=(const ostream_sink &) = delete;
protected:
void sink_it_(const details::log_msg &msg) override
{
fmt::memory_buffer formatted;
sink::formatter_->format(msg, formatted);
ostream_.write(formatted.data(), static_cast<std::streamsize>(formatted.size()));
if (force_flush_)
{
ostream_.flush();
}
}
void flush_() override
{
ostream_.flush();
}
std::ostream &ostream_;
bool force_flush_;
};
using ostream_sink_mt = ostream_sink<std::mutex>;
using ostream_sink_st = ostream_sink<details::null_mutex>;
} // namespace sinks
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#ifndef SPDLOG_H
#include "spdlog/spdlog.h"
#endif
#include "spdlog/details/file_helper.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/fmt/fmt.h"
#include "spdlog/sinks/base_sink.h"
#include <cerrno>
#include <chrono>
#include <ctime>
#include <mutex>
#include <string>
#include <tuple>
namespace spdlog {
namespace sinks {
//
// Rotating file sink based on size
//
template<typename Mutex>
class rotating_file_sink final : public base_sink<Mutex>
{
public:
rotating_file_sink(filename_t base_filename, std::size_t max_size, std::size_t max_files, bool rotate_on_open=false)
: base_filename_(std::move(base_filename))
, max_size_(max_size)
, max_files_(max_files)
{
file_helper_.open(calc_filename(base_filename_, 0));
current_size_ = file_helper_.size(); // expensive. called only once
if (rotate_on_open && current_size_ > 0)
{
rotate_();
}
}
// calc filename according to index and file extension if exists.
// e.g. calc_filename("logs/mylog.txt, 3) => "logs/mylog.3.txt".
static filename_t calc_filename(const filename_t &filename, std::size_t index)
{
typename std::conditional<std::is_same<filename_t::value_type, char>::value, fmt::memory_buffer, fmt::wmemory_buffer>::type w;
if (index != 0u)
{
filename_t basename, ext;
std::tie(basename, ext) = details::file_helper::split_by_extension(filename);
fmt::format_to(w, SPDLOG_FILENAME_T("{}.{}{}"), basename, index, ext);
}
else
{
fmt::format_to(w, SPDLOG_FILENAME_T("{}"), filename);
}
return fmt::to_string(w);
}
const filename_t &filename() const
{
return file_helper_.filename();
}
protected:
void sink_it_(const details::log_msg &msg) override
{
fmt::memory_buffer formatted;
sink::formatter_->format(msg, formatted);
current_size_ += formatted.size();
if (current_size_ > max_size_)
{
rotate_();
current_size_ = formatted.size();
}
file_helper_.write(formatted);
}
void flush_() override
{
file_helper_.flush();
}
private:
// Rotate files:
// log.txt -> log.1.txt
// log.1.txt -> log.2.txt
// log.2.txt -> log.3.txt
// log.3.txt -> delete
void rotate_()
{
using details::os::filename_to_str;
file_helper_.close();
for (auto i = max_files_; i > 0; --i)
{
filename_t src = calc_filename(base_filename_, i - 1);
if (!details::file_helper::file_exists(src))
{
continue;
}
filename_t target = calc_filename(base_filename_, i);
if (!rename_file(src, target))
{
// if failed try again after a small delay.
// this is a workaround to a windows issue, where very high rotation
// rates can cause the rename to fail with permission denied (because of antivirus?).
details::os::sleep_for_millis(100);
if (!rename_file(src, target))
{
file_helper_.reopen(true); // truncate the log file anyway to prevent it to grow beyond its limit!
current_size_ = 0;
throw spdlog_ex(
"rotating_file_sink: failed renaming " + filename_to_str(src) + " to " + filename_to_str(target), errno);
}
}
}
file_helper_.reopen(true);
}
// delete the target if exists, and rename the src file to target
// return true on success, false otherwise.
bool rename_file(const filename_t &src_filename, const filename_t &target_filename)
{
// try to delete the target file in case it already exists.
(void)details::os::remove(target_filename);
return details::os::rename(src_filename, target_filename) == 0;
}
filename_t base_filename_;
std::size_t max_size_;
std::size_t max_files_;
std::size_t current_size_;
details::file_helper file_helper_;
};
using rotating_file_sink_mt = rotating_file_sink<std::mutex>;
using rotating_file_sink_st = rotating_file_sink<details::null_mutex>;
} // namespace sinks
//
// factory functions
//
template<typename Factory = default_factory>
inline std::shared_ptr<logger> rotating_logger_mt(
const std::string &logger_name, const filename_t &filename, size_t max_file_size, size_t max_files, bool rotate_on_open=false)
{
return Factory::template create<sinks::rotating_file_sink_mt>(logger_name, filename, max_file_size, max_files, rotate_on_open);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> rotating_logger_st(
const std::string &logger_name, const filename_t &filename, size_t max_file_size, size_t max_files, bool rotate_on_open = false)
{
return Factory::template create<sinks::rotating_file_sink_st>(logger_name, filename, max_file_size, max_files, rotate_on_open);
}
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include "spdlog/details/log_msg.h"
#include "spdlog/details/pattern_formatter.h"
#include "spdlog/formatter.h"
namespace spdlog {
namespace sinks {
class sink
{
public:
sink() = default;
explicit sink(std::unique_ptr<spdlog::formatter> formatter)
: formatter_{std::move(formatter)}
{
}
virtual ~sink() = default;
virtual void log(const details::log_msg &msg) = 0;
virtual void flush() = 0;
virtual void set_pattern(const std::string &pattern) = 0;
virtual void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) = 0;
bool should_log(level::level_enum msg_level) const
{
return msg_level >= level_.load(std::memory_order_relaxed);
}
void set_level(level::level_enum log_level)
{
level_.store(log_level);
}
level::level_enum level() const
{
return static_cast<spdlog::level::level_enum>(level_.load(std::memory_order_relaxed));
}
protected:
// sink log level - default is all
level_t level_{level::trace};
// sink formatter - default is full format
std::unique_ptr<spdlog::formatter> formatter_{details::make_unique<spdlog::pattern_formatter>()};
};
} // namespace sinks
} // namespace spdlog

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//
// Copyright(c) 2018 spdlog
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#ifndef SPDLOG_H
#include "spdlog/spdlog.h"
#endif
#ifdef _WIN32
#include "spdlog/sinks/wincolor_sink.h"
#else
#include "spdlog/sinks/ansicolor_sink.h"
#endif
namespace spdlog {
namespace sinks {
#ifdef _WIN32
using stdout_color_sink_mt = wincolor_stdout_sink_mt;
using stdout_color_sink_st = wincolor_stdout_sink_st;
using stderr_color_sink_mt = wincolor_stderr_sink_mt;
using stderr_color_sink_st = wincolor_stderr_sink_st;
#else
using stdout_color_sink_mt = ansicolor_stdout_sink_mt;
using stdout_color_sink_st = ansicolor_stdout_sink_st;
using stderr_color_sink_mt = ansicolor_stderr_sink_mt;
using stderr_color_sink_st = ansicolor_stderr_sink_st;
#endif
} // namespace sinks
template<typename Factory = default_factory>
inline std::shared_ptr<logger> stdout_color_mt(const std::string &logger_name)
{
return Factory::template create<sinks::stdout_color_sink_mt>(logger_name);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> stdout_color_st(const std::string &logger_name)
{
return Factory::template create<sinks::stdout_color_sink_st>(logger_name);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> stderr_color_mt(const std::string &logger_name)
{
return Factory::template create<sinks::stderr_color_sink_mt>(logger_name);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> stderr_color_st(const std::string &logger_name)
{
return Factory::template create<sinks::stderr_color_sink_st>(logger_name);
}
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#ifndef SPDLOG_H
#include "spdlog/spdlog.h"
#endif
#include "spdlog/details/console_globals.h"
#include "spdlog/details/null_mutex.h"
#include <cstdio>
#include <memory>
#include <mutex>
namespace spdlog {
namespace sinks {
template<typename TargetStream, typename ConsoleMutex>
class stdout_sink final : public sink
{
public:
using mutex_t = typename ConsoleMutex::mutex_t;
stdout_sink()
: mutex_(ConsoleMutex::mutex())
, file_(TargetStream::stream())
{
}
~stdout_sink() override = default;
stdout_sink(const stdout_sink &other) = delete;
stdout_sink &operator=(const stdout_sink &other) = delete;
void log(const details::log_msg &msg) override
{
std::lock_guard<mutex_t> lock(mutex_);
fmt::memory_buffer formatted;
formatter_->format(msg, formatted);
fwrite(formatted.data(), sizeof(char), formatted.size(), file_);
fflush(TargetStream::stream());
}
void flush() override
{
std::lock_guard<mutex_t> lock(mutex_);
fflush(file_);
}
void set_pattern(const std::string &pattern) override
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
}
void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::move(sink_formatter);
}
private:
mutex_t &mutex_;
FILE *file_;
};
using stdout_sink_mt = stdout_sink<details::console_stdout, details::console_mutex>;
using stdout_sink_st = stdout_sink<details::console_stdout, details::console_nullmutex>;
using stderr_sink_mt = stdout_sink<details::console_stderr, details::console_mutex>;
using stderr_sink_st = stdout_sink<details::console_stderr, details::console_nullmutex>;
} // namespace sinks
// factory methods
template<typename Factory = default_factory>
inline std::shared_ptr<logger> stdout_logger_mt(const std::string &logger_name)
{
return Factory::template create<sinks::stdout_sink_mt>(logger_name);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> stdout_logger_st(const std::string &logger_name)
{
return Factory::template create<sinks::stdout_sink_st>(logger_name);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> stderr_logger_mt(const std::string &logger_name)
{
return Factory::template create<sinks::stderr_sink_mt>(logger_name);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> stderr_logger_st(const std::string &logger_name)
{
return Factory::template create<sinks::stderr_sink_st>(logger_name);
}
} // namespace spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#ifndef SPDLOG_H
#include "spdlog/spdlog.h"
#endif
#include "spdlog/sinks/base_sink.h"
#include <array>
#include <string>
#include <syslog.h>
namespace spdlog {
namespace sinks {
/**
* Sink that write to syslog using the `syscall()` library call.
*
* Locking is not needed, as `syslog()` itself is thread-safe.
*/
template<typename Mutex>
class syslog_sink : public base_sink<Mutex>
{
public:
//
explicit syslog_sink(std::string ident = "", int syslog_option = 0, int syslog_facility = LOG_USER)
: ident_(std::move(ident))
{
priorities_[static_cast<size_t>(level::trace)] = LOG_DEBUG;
priorities_[static_cast<size_t>(level::debug)] = LOG_DEBUG;
priorities_[static_cast<size_t>(level::info)] = LOG_INFO;
priorities_[static_cast<size_t>(level::warn)] = LOG_WARNING;
priorities_[static_cast<size_t>(level::err)] = LOG_ERR;
priorities_[static_cast<size_t>(level::critical)] = LOG_CRIT;
priorities_[static_cast<size_t>(level::off)] = LOG_INFO;
// set ident to be program name if empty
::openlog(ident_.empty() ? nullptr : ident_.c_str(), syslog_option, syslog_facility);
}
~syslog_sink() override
{
::closelog();
}
syslog_sink(const syslog_sink &) = delete;
syslog_sink &operator=(const syslog_sink &) = delete;
protected:
void sink_it_(const details::log_msg &msg) override
{
::syslog(syslog_prio_from_level(msg), "%s", fmt::to_string(msg.payload).c_str());
}
void flush_() override {}
private:
std::array<int, 7> priorities_;
// must store the ident because the man says openlog might use the pointer as
// is and not a string copy
const std::string ident_;
//
// Simply maps spdlog's log level to syslog priority level.
//
int syslog_prio_from_level(const details::log_msg &msg) const
{
return priorities_[static_cast<size_t>(msg.level)];
}
};
using syslog_sink_mt = syslog_sink<std::mutex>;
using syslog_sink_st = syslog_sink<details::null_mutex>;
} // namespace sinks
// Create and register a syslog logger
template<typename Factory = default_factory>
inline std::shared_ptr<logger> syslog_logger_mt(
const std::string &logger_name, const std::string &syslog_ident = "", int syslog_option = 0, int syslog_facility = (1 << 3))
{
return Factory::template create<sinks::syslog_sink_mt>(logger_name, syslog_ident, syslog_option, syslog_facility);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> syslog_logger_st(
const std::string &logger_name, const std::string &syslog_ident = "", int syslog_option = 0, int syslog_facility = (1 << 3))
{
return Factory::template create<sinks::syslog_sink_st>(logger_name, syslog_ident, syslog_option, syslog_facility);
}
} // namespace spdlog

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//
// Copyright(c) 2016 spdlog
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#ifndef SPDLOG_H
#include "spdlog/spdlog.h"
#endif
#include "spdlog/common.h"
#include "spdlog/details/console_globals.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/sinks/sink.h"
#include <memory>
#include <mutex>
#include <string>
#include <unordered_map>
#include <wincon.h>
namespace spdlog {
namespace sinks {
/*
* Windows color console sink. Uses WriteConsoleA to write to the console with
* colors
*/
template<typename OutHandle, typename ConsoleMutex>
class wincolor_sink : public sink
{
public:
const WORD BOLD = FOREGROUND_INTENSITY;
const WORD RED = FOREGROUND_RED;
const WORD GREEN = FOREGROUND_GREEN;
const WORD CYAN = FOREGROUND_GREEN | FOREGROUND_BLUE;
const WORD WHITE = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
const WORD YELLOW = FOREGROUND_RED | FOREGROUND_GREEN;
wincolor_sink()
: out_handle_(OutHandle::handle())
, mutex_(ConsoleMutex::mutex())
{
colors_[level::trace] = WHITE;
colors_[level::debug] = CYAN;
colors_[level::info] = GREEN;
colors_[level::warn] = YELLOW | BOLD;
colors_[level::err] = RED | BOLD; // red bold
colors_[level::critical] = BACKGROUND_RED | WHITE | BOLD; // white bold on red background
colors_[level::off] = 0;
}
~wincolor_sink() override
{
this->flush();
}
wincolor_sink(const wincolor_sink &other) = delete;
wincolor_sink &operator=(const wincolor_sink &other) = delete;
// change the color for the given level
void set_color(level::level_enum level, WORD color)
{
std::lock_guard<mutex_t> lock(mutex_);
colors_[level] = color;
}
void log(const details::log_msg &msg) final override
{
std::lock_guard<mutex_t> lock(mutex_);
fmt::memory_buffer formatted;
formatter_->format(msg, formatted);
if (msg.color_range_end > msg.color_range_start)
{
// before color range
print_range_(formatted, 0, msg.color_range_start);
// in color range
auto orig_attribs = set_console_attribs(colors_[msg.level]);
print_range_(formatted, msg.color_range_start, msg.color_range_end);
::SetConsoleTextAttribute(out_handle_,
orig_attribs); // reset to orig colors
// after color range
print_range_(formatted, msg.color_range_end, formatted.size());
}
else // print without colors if color range is invalid
{
print_range_(formatted, 0, formatted.size());
}
}
void flush() final override
{
// windows console always flushed?
}
void set_pattern(const std::string &pattern) override final
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
}
void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override final
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::move(sink_formatter);
}
private:
using mutex_t = typename ConsoleMutex::mutex_t;
// set color and return the orig console attributes (for resetting later)
WORD set_console_attribs(WORD attribs)
{
CONSOLE_SCREEN_BUFFER_INFO orig_buffer_info;
::GetConsoleScreenBufferInfo(out_handle_, &orig_buffer_info);
WORD back_color = orig_buffer_info.wAttributes;
// retrieve the current background color
back_color &= static_cast<WORD>(~(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY));
// keep the background color unchanged
::SetConsoleTextAttribute(out_handle_, attribs | back_color);
return orig_buffer_info.wAttributes; // return orig attribs
}
// print a range of formatted message to console
void print_range_(const fmt::memory_buffer &formatted, size_t start, size_t end)
{
auto size = static_cast<DWORD>(end - start);
::WriteConsoleA(out_handle_, formatted.data() + start, size, nullptr, nullptr);
}
HANDLE out_handle_;
mutex_t &mutex_;
std::unordered_map<level::level_enum, WORD, level::level_hasher> colors_;
};
using wincolor_stdout_sink_mt = wincolor_sink<details::console_stdout, details::console_mutex>;
using wincolor_stdout_sink_st = wincolor_sink<details::console_stdout, details::console_nullmutex>;
using wincolor_stderr_sink_mt = wincolor_sink<details::console_stderr, details::console_mutex>;
using wincolor_stderr_sink_st = wincolor_sink<details::console_stderr, details::console_nullmutex>;
} // namespace sinks
} // namespace spdlog

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//
// Copyright(c) 2015-2018 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
// spdlog main header file.
// see example.cpp for usage example
#ifndef SPDLOG_H
#define SPDLOG_H
#pragma once
#include "spdlog/common.h"
#include "spdlog/details/registry.h"
#include "spdlog/logger.h"
#include "spdlog/version.h"
#include <chrono>
#include <functional>
#include <memory>
#include <string>
namespace spdlog {
// Default logger factory- creates synchronous loggers
struct synchronous_factory
{
template<typename Sink, typename... SinkArgs>
static std::shared_ptr<spdlog::logger> create(std::string logger_name, SinkArgs &&... args)
{
auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...);
auto new_logger = std::make_shared<logger>(std::move(logger_name), std::move(sink));
details::registry::instance().initialize_logger(new_logger);
return new_logger;
}
};
using default_factory = synchronous_factory;
// Create and register a logger with a templated sink type
// The logger's level, formatter and flush level will be set according the
// global settings.
// Example:
// spdlog::create<daily_file_sink_st>("logger_name", "dailylog_filename", 11, 59);
template<typename Sink, typename... SinkArgs>
inline std::shared_ptr<spdlog::logger> create(std::string logger_name, SinkArgs &&... sink_args)
{
return default_factory::create<Sink>(std::move(logger_name), std::forward<SinkArgs>(sink_args)...);
}
// Return an existing logger or nullptr if a logger with such name doesn't
// exist.
// example: spdlog::get("my_logger")->info("hello {}", "world");
inline std::shared_ptr<logger> get(const std::string &name)
{
return details::registry::instance().get(name);
}
// Set global formatter. Each sink in each logger will get a clone of this object
inline void set_formatter(std::unique_ptr<spdlog::formatter> formatter)
{
details::registry::instance().set_formatter(std::move(formatter));
}
// Set global format string.
// example: spdlog::set_pattern("%Y-%m-%d %H:%M:%S.%e %l : %v");
inline void set_pattern(std::string pattern, pattern_time_type time_type = pattern_time_type::local)
{
set_formatter(std::unique_ptr<spdlog::formatter>(new pattern_formatter(std::move(pattern), time_type)));
}
// Set global logging level
inline void set_level(level::level_enum log_level)
{
details::registry::instance().set_level(log_level);
}
// Set global flush level
inline void flush_on(level::level_enum log_level)
{
details::registry::instance().flush_on(log_level);
}
// Start/Restart a periodic flusher thread
// Warning: Use only if all your loggers are thread safe!
inline void flush_every(std::chrono::seconds interval)
{
details::registry::instance().flush_every(interval);
}
// Set global error handler
inline void set_error_handler(log_err_handler handler)
{
details::registry::instance().set_error_handler(std::move(handler));
}
// Register the given logger with the given name
inline void register_logger(std::shared_ptr<logger> logger)
{
details::registry::instance().register_logger(std::move(logger));
}
// Apply a user defined function on all registered loggers
// Example:
// spdlog::apply_all([&](std::shared_ptr<spdlog::logger> l) {l->flush();});
inline void apply_all(const std::function<void(std::shared_ptr<logger>)> &fun)
{
details::registry::instance().apply_all(fun);
}
// Drop the reference to the given logger
inline void drop(const std::string &name)
{
details::registry::instance().drop(name);
}
// Drop all references from the registry
inline void drop_all()
{
details::registry::instance().drop_all();
}
// stop any running threads started by spdlog and clean registry loggers
inline void shutdown()
{
details::registry::instance().shutdown();
}
// Automatic registration of loggers when using spdlog::create() or spdlog::create_async
inline void set_automatic_registration(bool automatic_registation)
{
details::registry::instance().set_automatic_registration(automatic_registation);
}
// API for using default logger (stdout_color_mt),
// e.g: spdlog::info("Message {}", 1);
//
// The default logger object can be accessed using the spdlog::default_logger():
// For example, to add another sink to it:
// spdlog::default_logger()->sinks()->push_back(some_sink);
//
// The default logger can replaced using spdlog::set_default_logger(new_logger).
// For example, to replace it with a file logger.
//
// IMPORTANT:
// The default API is thread safe (for _mt loggers), but:
// set_default_logger() *should not* be used concurrently with the default API.
// e.g do not call set_default_logger() from one thread while calling spdlog::info() from another.
inline std::shared_ptr<spdlog::logger> default_logger()
{
return details::registry::instance().default_logger();
}
inline spdlog::logger *default_logger_raw()
{
return details::registry::instance().get_default_raw();
}
inline void set_default_logger(std::shared_ptr<spdlog::logger> default_logger)
{
details::registry::instance().set_default_logger(std::move(default_logger));
}
template<typename... Args>
inline void log(source_loc source, level::level_enum lvl, const char *fmt, const Args &... args)
{
default_logger_raw()->log(source, lvl, fmt, args...);
}
template<typename... Args>
inline void log(level::level_enum lvl, const char *fmt, const Args &... args)
{
default_logger_raw()->log(source_loc{}, lvl, fmt, args...);
}
template<typename... Args>
inline void trace(const char *fmt, const Args &... args)
{
default_logger_raw()->trace(fmt, args...);
}
template<typename... Args>
inline void debug(const char *fmt, const Args &... args)
{
default_logger_raw()->debug(fmt, args...);
}
template<typename... Args>
inline void info(const char *fmt, const Args &... args)
{
default_logger_raw()->info(fmt, args...);
}
template<typename... Args>
inline void warn(const char *fmt, const Args &... args)
{
default_logger_raw()->warn(fmt, args...);
}
template<typename... Args>
inline void error(const char *fmt, const Args &... args)
{
default_logger_raw()->error(fmt, args...);
}
template<typename... Args>
inline void critical(const char *fmt, const Args &... args)
{
default_logger_raw()->critical(fmt, args...);
}
template<typename T>
inline void log(level::level_enum lvl, const T &msg)
{
default_logger_raw()->log(lvl, msg);
}
template<typename T>
inline void trace(const T &msg)
{
default_logger_raw()->trace(msg);
}
template<typename T>
inline void debug(const T &msg)
{
default_logger_raw()->debug(msg);
}
template<typename T>
inline void info(const T &msg)
{
default_logger_raw()->info(msg);
}
template<typename T>
inline void warn(const T &msg)
{
default_logger_raw()->warn(msg);
}
template<typename T>
inline void error(const T &msg)
{
default_logger_raw()->error(msg);
}
template<typename T>
inline void critical(const T &msg)
{
default_logger_raw()->critical(msg);
}
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
template<typename... Args>
inline void log(level::level_enum lvl, const wchar_t *fmt, const Args &... args)
{
default_logger_raw()->log(lvl, fmt, args...);
}
template<typename... Args>
inline void trace(const wchar_t *fmt, const Args &... args)
{
default_logger_raw()->trace(fmt, args...);
}
template<typename... Args>
inline void debug(const wchar_t *fmt, const Args &... args)
{
default_logger_raw()->debug(fmt, args...);
}
template<typename... Args>
inline void info(const wchar_t *fmt, const Args &... args)
{
default_logger_raw()->info(fmt, args...);
}
template<typename... Args>
inline void warn(const wchar_t *fmt, const Args &... args)
{
default_logger_raw()->warn(fmt, args...);
}
template<typename... Args>
inline void error(const wchar_t *fmt, const Args &... args)
{
default_logger_raw()->error(fmt, args...);
}
template<typename... Args>
inline void critical(const wchar_t *fmt, const Args &... args)
{
default_logger_raw()->critical(fmt, args...);
}
#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
} // namespace spdlog
//
// enable/disable log calls at compile time according to global level.
//
// define SPDLOG_ACTIVE_LEVEL to one of those (before including spdlog.h):
// SPDLOG_LEVEL_TRACE,
// SPDLOG_LEVEL_DEBUG,
// SPDLOG_LEVEL_INFO,
// SPDLOG_LEVEL_WARN,
// SPDLOG_LEVEL_ERROR,
// SPDLOG_LEVEL_CRITICAL,
// SPDLOG_LEVEL_OFF
//
#define SPDLOG_LOGGER_CALL(logger, level, ...) \
if (logger->should_log(level)) \
logger->log(spdlog::source_loc{SPDLOG_FILE_BASENAME(__FILE__), __LINE__, SPDLOG_FUNCTION}, level, __VA_ARGS__)
#if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_TRACE
#define SPDLOG_LOGGER_TRACE(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::trace, __VA_ARGS__)
#define SPDLOG_TRACE(...) SPDLOG_LOGGER_TRACE(spdlog::default_logger_raw(), __VA_ARGS__)
#else
#define SPDLOG_LOGGER_TRACE(logger, ...) (void)0
#define SPDLOG_TRACE(...) (void)0
#endif
#if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_DEBUG
#define SPDLOG_LOGGER_DEBUG(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::debug, __VA_ARGS__)
#define SPDLOG_DEBUG(...) SPDLOG_LOGGER_DEBUG(spdlog::default_logger_raw(), __VA_ARGS__)
#else
#define SPDLOG_LOGGER_DEBUG(logger, ...) (void)0
#define SPDLOG_DEBUG(...) (void)0
#endif
#if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_INFO
#define SPDLOG_LOGGER_INFO(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::info, __VA_ARGS__)
#define SPDLOG_INFO(...) SPDLOG_LOGGER_INFO(spdlog::default_logger_raw(), __VA_ARGS__)
#else
#define SPDLOG_LOGGER_INFO(logger, ...) (void)0
#define SPDLOG_INFO(...) (void)0
#endif
#if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_WARN
#define SPDLOG_LOGGER_WARN(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::warn, __VA_ARGS__)
#define SPDLOG_WARN(...) SPDLOG_LOGGER_WARN(spdlog::default_logger_raw(), __VA_ARGS__)
#else
#define SPDLOG_LOGGER_WARN(logger, ...) (void)0
#define SPDLOG_WARN(...) (void)0
#endif
#if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_ERROR
#define SPDLOG_LOGGER_ERROR(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::err, __VA_ARGS__)
#define SPDLOG_ERROR(...) SPDLOG_LOGGER_ERROR(spdlog::default_logger_raw(), __VA_ARGS__)
#else
#define SPDLOG_LOGGER_ERROR(logger, ...) (void)0
#define SPDLOG_ERROR(...) (void)0
#endif
#if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_CRITICAL
#define SPDLOG_LOGGER_CRITICAL(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::critical, __VA_ARGS__)
#define SPDLOG_CRITICAL(...) SPDLOG_LOGGER_CRITICAL(spdlog::default_logger_raw(), __VA_ARGS__)
#else
#define SPDLOG_LOGGER_CRITICAL(logger, ...) (void)0
#define SPDLOG_CRITICAL(...) (void)0
#endif
#endif // SPDLOG_H

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
///////////////////////////////////////////////////////////////////////////////
//
// Edit this file to squeeze more performance, and to customize supported
// features
//
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Under Linux, the much faster CLOCK_REALTIME_COARSE clock can be used.
// This clock is less accurate - can be off by dozens of millis - depending on
// the kernel HZ.
// Uncomment to use it instead of the regular clock.
//
// #define SPDLOG_CLOCK_COARSE
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment if date/time logging is not needed and never appear in the log
// pattern.
// This will prevent spdlog from querying the clock on each log call.
//
// WARNING: If the log pattern contains any date/time while this flag is on, the
// result is undefined.
// You must set new pattern(spdlog::set_pattern(..") without any
// date/time in it
//
// #define SPDLOG_NO_DATETIME
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment if thread id logging is not needed (i.e. no %t in the log pattern).
// This will prevent spdlog from querying the thread id on each log call.
//
// WARNING: If the log pattern contains thread id (i.e, %t) while this flag is
// on, the result is undefined.
//
// #define SPDLOG_NO_THREAD_ID
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to prevent spdlog from using thread local storage.
//
// WARNING: if your program forks, UNCOMMENT this flag to prevent undefined
// thread ids in the children logs.
//
// #define SPDLOG_NO_TLS
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment if logger name logging is not needed.
// This will prevent spdlog from copying the logger name on each log call.
//
// #define SPDLOG_NO_NAME
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to enable the SPDLOG_DEBUG/SPDLOG_TRACE macros.
//
// #define SPDLOG_DEBUG_ON
// #define SPDLOG_TRACE_ON
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to avoid spdlog's usage of atomic log levels
// Use only if your code never modifies a logger's log levels concurrently by
// different threads.
//
// #define SPDLOG_NO_ATOMIC_LEVELS
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to enable usage of wchar_t for file names on Windows.
//
// #define SPDLOG_WCHAR_FILENAMES
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to override default eol ("\n" or "\r\n" under Linux/Windows)
//
// #define SPDLOG_EOL ";-)\n"
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to use your own copy of the fmt library instead of spdlog's copy.
// In this case spdlog will try to include <fmt/format.h> so set your -I flag
// accordingly.
//
// #define SPDLOG_FMT_EXTERNAL
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to enable wchar_t support (convert to utf8)
//
// #define SPDLOG_WCHAR_TO_UTF8_SUPPORT
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to prevent child processes from inheriting log file descriptors
//
// #define SPDLOG_PREVENT_CHILD_FD
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to enable message counting feature.
// Use the %i in the logger pattern to display log message sequence id.
//
// #define SPDLOG_ENABLE_MESSAGE_COUNTER
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to customize level names (e.g. "MT TRACE")
//
// #define SPDLOG_LEVEL_NAMES { "MY TRACE", "MY DEBUG", "MY INFO", "MY WARNING",
// "MY ERROR", "MY CRITICAL", "OFF" }
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to customize short level names (e.g. "MT")
// These can be longer than one character.
//
// #define SPDLOG_SHORT_LEVEL_NAMES { "T", "D", "I", "W", "E", "C", "O" }
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to disable default logger creation.
// This might save some (very) small initialization time if no default logger is needed.
//
// #define SPDLOG_DISABLE_DEFAULT_LOGGER
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment and set to compile time level with zero cost (default is INFO).
// Macros like SPDLOG_DEBUG(..), SPDLOG_INFO(..) will expand to empty statements if not enabled
//
// #define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_INFO
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment (and change if desired) macro to use for function names.
// This is compiler dependent.
// __PRETTY_FUNCTION__ might be nicer in clang/gcc, and __FUNCTION__ in msvc.
// Defaults to __FUNCTION__ (should work on all compilers) if not defined.
//
// #define SPDLOG_FUNCTION __PRETTY_FUNCTION__
///////////////////////////////////////////////////////////////////////////////

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#define SPDLOG_VER_MAJOR 1
#define SPDLOG_VER_MINOR 3
#define SPDLOG_VER_PATCH 1
#define SPDLOG_VERSION (SPDLOG_VER_MAJOR * 10000 + SPDLOG_VER_MINOR * 100 + SPDLOG_VER_PATCH)

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# Changelog
All notable changes to Livox-SDK2 will be documentd in this file.
## [1.2.5]
### Added
- Support saving debug point cloud of Hap.
- Support setting the default work mode after boot of Hap.
## [1.2.4]
### Added
- Support Mid-360 GPS time synchronization.
## [1.2.3]
### Added
- Support to get CMD packet data;
- Support full info keys of HAP.
## [1.2.2]
### Added
- Support Mid-360 debug point cloud.
## [1.2.1]
### Fixed
- Fix FastCRC compilation errors in Windows.
## [1.2.0]
### Added
- Support the multi-cast functionality;
- Support new config format, while still compatible with the older format.
## [1.1.3]
### Added
- Support the firmware log functionality;
- Support full functionalities of HAP.
## [1.0.0]
### Added
- Support Mid-360 Lidar;
- Partially support the firmware log functionality;
- Support firmware upgrade for HAP & Mid-360.

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