840 lines
25 KiB
C++
840 lines
25 KiB
C++
/*****************************************************************************
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* libragephoto RAGE Photo Parser
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* Copyright (C) 2021 Syping
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* This software is provided as-is, no warranties are given to you, we are not
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* responsible for anything with use of the software, you are self responsible.
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*****************************************************************************/
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#include "RagePhoto.h"
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#include <iostream>
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#include <cstdlib>
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#include <cstring>
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#ifdef RAGEPHOTO_BENCHMARK
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#include <chrono>
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#endif
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#ifdef CODECVT_COMPATIBLE
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#include <codecvt>
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#include <locale>
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#elif defined ICONV_COMPATIBLE
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#include <iconv.h>
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#endif
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RagePhoto::RagePhoto()
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{
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p_photoLoaded = false;
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p_photoData = nullptr;
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setBufferDefault();
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}
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RagePhoto::~RagePhoto()
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{
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free(p_photoData);
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}
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void RagePhoto::clear()
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{
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if (p_photoLoaded) {
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free(p_photoData);
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p_photoData = nullptr;
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p_photoLoaded = false;
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}
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p_descriptionString.clear();
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p_jsonString.clear();
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p_photoString.clear();
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p_titleString.clear();
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p_error = Error::Uninitialised;
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p_photoFormat = PhotoFormat::Undefined;
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setBufferDefault();
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}
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bool RagePhoto::load(const char *data, size_t length)
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{
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#ifdef RAGEPHOTO_BENCHMARK
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auto benchmark_parse_start = std::chrono::high_resolution_clock::now();
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#endif
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// Avoid data conflicts
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clear();
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size_t pos = 0;
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char uInt32Buffer[4];
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size_t size = readBuffer(data, uInt32Buffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::NoFormatIdentifier; // 1
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return false;
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}
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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uint32_t format;
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memcpy(&format, uInt32Buffer, 4);
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#else
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uint32_t format = charToUInt32LE(uInt32Buffer);
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#endif
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if (format == static_cast<uint32_t>(PhotoFormat::GTA5) || format == static_cast<uint32_t>(PhotoFormat::RDR2)) {
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#if defined CODECVT_COMPATIBLE || defined ICONV_COMPATIBLE
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p_photoFormat = static_cast<PhotoFormat>(format);
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char photoHeader[256];
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size = readBuffer(data, photoHeader, &pos, 256, length);
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if (size != 256) {
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p_error = Error::IncompleteHeader; // 3
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return false;
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}
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#ifdef CODECVT_COMPATIBLE
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std::wstring_convert<std::codecvt_utf8_utf16<char16_t>,char16_t> convert;
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p_photoString = convert.to_bytes(reinterpret_cast<char16_t*>(photoHeader));
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#elif defined ICONV_COMPATIBLE
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iconv_t iconv_in = iconv_open("UTF-8", "UTF-16LE");
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if (iconv_in == (iconv_t)-1) {
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p_error = Error::UnicodeInitError; // 4
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return false;
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}
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char photoString[256];
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size_t src_s = sizeof(photoHeader);
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size_t dst_s = sizeof(photoString);
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char *src = photoHeader;
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char *dst = photoString;
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const size_t ret = iconv(iconv_in, &src, &src_s, &dst, &dst_s);
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iconv_close(iconv_in);
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if (ret == static_cast<size_t>(-1)) {
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p_error = Error::UnicodeHeaderError; // 5
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return false;
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}
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p_photoString = std::string(photoString);
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#endif
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size = readBuffer(data, uInt32Buffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::IncompleteChecksum; // 6
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return false;
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}
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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memcpy(&p_headerSum, uInt32Buffer, 4);
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#else
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p_headerSum = charToUInt32LE(uInt32Buffer);
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#endif
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if (p_photoFormat == PhotoFormat::RDR2)
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pos = pos + 8;
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const size_t headerSize = pos;
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size = readBuffer(data, uInt32Buffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::IncompleteEOF; // 7
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return false;
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}
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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memcpy(&p_endOfFile, uInt32Buffer, 4);
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#else
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p_endOfFile = charToUInt32LE(uInt32Buffer);
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#endif
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size = readBuffer(data, uInt32Buffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::IncompleteJsonOffset; // 8
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return false;
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}
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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memcpy(&p_jsonOffset, uInt32Buffer, 4);
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#else
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p_jsonOffset = charToUInt32LE(uInt32Buffer);
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#endif
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size = readBuffer(data, uInt32Buffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::IncompleteTitleOffset; // 9
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return false;
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}
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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memcpy(&p_titlOffset, uInt32Buffer, 4);
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#else
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p_titlOffset = charToUInt32LE(uInt32Buffer);
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#endif
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size = readBuffer(data, uInt32Buffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::IncompleteDescOffset; // 10
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return false;
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}
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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memcpy(&p_descOffset, uInt32Buffer, 4);
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#else
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p_descOffset = charToUInt32LE(uInt32Buffer);
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#endif
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char markerBuffer[4];
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size = readBuffer(data, markerBuffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::IncompleteJpegMarker; // 11
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return false;
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}
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if (strncmp(markerBuffer, "JPEG", 4) != 0) {
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p_error = Error::IncorrectJpegMarker; // 12
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return false;
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}
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size = readBuffer(data, uInt32Buffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::IncompletePhotoBuffer; // 13
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return false;
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}
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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memcpy(&p_photoBuffer, uInt32Buffer, 4);
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#else
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p_photoBuffer = charToUInt32LE(uInt32Buffer);
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#endif
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size = readBuffer(data, uInt32Buffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::IncompletePhotoSize; // 14
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return false;
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}
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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memcpy(&p_photoSize, uInt32Buffer, 4);
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#else
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p_photoSize = charToUInt32LE(uInt32Buffer);
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#endif
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p_photoData = static_cast<char*>(malloc(p_photoSize));
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if (!p_photoData) {
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p_error = Error::PhotoMallocError; // 15
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return false;
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}
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size = readBuffer(data, p_photoData, &pos, p_photoSize, length);
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if (size != p_photoSize) {
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free(p_photoData);
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p_photoData = nullptr;
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p_error = Error::PhotoReadError; // 16
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return false;
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}
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p_photoLoaded = true;
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pos = p_jsonOffset + headerSize;
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size = readBuffer(data, markerBuffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::IncompleteJsonMarker; // 17
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return false;
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}
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if (strncmp(markerBuffer, "JSON", 4) != 0) {
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p_error = Error::IncorrectJsonMarker; // 18
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return false;
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}
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size = readBuffer(data, uInt32Buffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::IncompleteJsonBuffer; // 19
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return false;
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}
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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memcpy(&p_jsonBuffer, uInt32Buffer, 4);
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#else
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p_jsonBuffer = charToUInt32LE(uInt32Buffer);
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#endif
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char *t_jsonData = static_cast<char*>(malloc(p_jsonBuffer));
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if (!t_jsonData) {
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p_error = Error::JsonMallocError; // 20
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return false;
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}
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size = readBuffer(data, t_jsonData, &pos, p_jsonBuffer, length);
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if (size != p_jsonBuffer) {
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free(t_jsonData);
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p_error = Error::JsonReadError; // 21
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return false;
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}
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p_jsonString = std::string(t_jsonData);
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free(t_jsonData);
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pos = p_titlOffset + headerSize;
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size = readBuffer(data, markerBuffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::IncompleteTitleMarker; // 22
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return false;
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}
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if (strncmp(markerBuffer, "TITL", 4) != 0) {
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p_error = Error::IncorrectTitleMarker; // 23
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return false;
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}
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size = readBuffer(data, uInt32Buffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::IncompleteTitleBuffer; // 24
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return false;
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}
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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memcpy(&p_titlBuffer, uInt32Buffer, 4);
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#else
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p_titlBuffer = charToUInt32LE(uInt32Buffer);
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#endif
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char *t_titlData = static_cast<char*>(malloc(p_titlBuffer));
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if (!t_titlData) {
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p_error = Error::TitleMallocError; // 25
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return false;
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}
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size = readBuffer(data, t_titlData, &pos, p_titlBuffer, length);
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if (size != p_titlBuffer) {
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free(t_titlData);
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p_error = Error::TitleReadError; // 26
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return false;
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}
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p_titleString = std::string(t_titlData);
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free(t_titlData);
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pos = p_descOffset + headerSize;
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size = readBuffer(data, markerBuffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::IncompleteDescMarker; // 27
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return false;
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}
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if (strncmp(markerBuffer, "DESC", 4) != 0) {
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p_error = Error::IncorrectDescMarker; // 28
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return false;
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}
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size = readBuffer(data, uInt32Buffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::IncompleteDescBuffer; // 29
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return false;
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}
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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memcpy(&p_descBuffer, uInt32Buffer, 4);
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#else
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p_descBuffer = charToUInt32LE(uInt32Buffer);
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#endif
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char *t_descData = static_cast<char*>(malloc(p_descBuffer));
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if (!t_descData) {
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p_error = Error::DescMallocError; // 30
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return false;
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}
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size = readBuffer(data, t_descData, &pos, p_descBuffer, length);
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if (size != p_descBuffer) {
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free(t_descData);
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p_error = Error::DescReadError; // 31
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return false;
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}
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p_descriptionString = std::string(t_descData);
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free(t_descData);
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pos = p_endOfFile + headerSize - 4;
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size = readBuffer(data, markerBuffer, &pos, 4, length);
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if (size != 4) {
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p_error = Error::IncompleteJendMarker; // 32
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return false;
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}
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if (strncmp(markerBuffer, "JEND", 4) != 0) {
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p_error = Error::IncorrectJendMarker; // 33
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return false;
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}
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#ifdef RAGEPHOTO_BENCHMARK
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auto benchmark_parse_end = std::chrono::high_resolution_clock::now();
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auto benchmark_ns = std::chrono::duration_cast<std::chrono::nanoseconds>(benchmark_parse_end - benchmark_parse_start);
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std::cout << "Benchmark: " << benchmark_ns.count() << "ns" << std::endl;
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#endif
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#ifdef RAGEPHOTO_DEBUG
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std::cout << "header: " << p_photoString << std::endl;
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std::cout << "headerSum: " << p_headerSum << std::endl;
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std::cout << "photoBuffer: " << p_photoBuffer << std::endl;
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std::cout << "descBuffer: " << p_descBuffer << std::endl;
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std::cout << "descOffset: " << p_descOffset << std::endl;
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std::cout << "jsonBuffer: " << p_jsonBuffer << std::endl;
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std::cout << "jsonOffset: " << p_jsonOffset << std::endl;
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std::cout << "titlBuffer: " << p_titlBuffer << std::endl;
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std::cout << "titlOffset: " << p_titlOffset << std::endl;
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std::cout << "eofOffset: " << p_endOfFile << std::endl;
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std::cout << "moveOffsets()" << std::endl;
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moveOffsets();
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std::cout << "descOffset: " << p_descOffset << std::endl;
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std::cout << "jsonOffset: " << p_jsonOffset << std::endl;
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std::cout << "titlOffset: " << p_titlOffset << std::endl;
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std::cout << "eofOffset: " << p_endOfFile << std::endl;
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std::cout << "calc size: " << saveSize() << std::endl;
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std::cout << "real size: " << length << std::endl;
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#endif
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p_error = Error::NoError; // 255
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return true;
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#else
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std::cout << "UTF-16LE decoding support missing" << std::endl;
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p_error = Error::UnicodeInitError; // 4
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return false;
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#endif
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}
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p_error = Error::IncompatibleFormat; // 2
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return false;
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}
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bool RagePhoto::load(const std::string &data)
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{
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return load(data.data(), data.size());
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}
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RagePhoto::Error RagePhoto::error()
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{
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return p_error;
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}
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RagePhoto::PhotoFormat RagePhoto::format()
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{
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return p_photoFormat;
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}
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const std::string RagePhoto::photo()
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{
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if (p_photoLoaded)
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return std::string(p_photoData, p_photoSize);
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else
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return std::string();
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}
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const char* RagePhoto::photoData()
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{
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if (p_photoLoaded)
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return p_photoData;
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else
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return nullptr;
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}
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uint32_t RagePhoto::photoSize()
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{
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if (p_photoLoaded)
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return p_photoSize;
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else
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return 0UL;
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}
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const std::string RagePhoto::description()
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{
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return p_descriptionString;
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}
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const std::string RagePhoto::json()
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{
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return p_jsonString;
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}
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const std::string RagePhoto::header()
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{
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return p_photoString;
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}
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const std::string RagePhoto::title()
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{
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return p_titleString;
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}
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bool RagePhoto::save(char *data, PhotoFormat photoFormat)
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{
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if (photoFormat == PhotoFormat::GTA5 || photoFormat == PhotoFormat::RDR2) {
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#if defined CODECVT_COMPATIBLE || defined ICONV_COMPATIBLE
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#ifdef CODECVT_COMPATIBLE
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std::wstring_convert<std::codecvt_utf8_utf16<char16_t>,char16_t> convert;
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std::u16string photoString = convert.from_bytes(p_photoString);
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const size_t photoHeader_size = photoString.size() * 2;
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if (photoHeader_size > 256) {
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p_error = Error::HeaderBufferTight; // 34
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return false;
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}
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char photoHeader[256];
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memcpy(photoHeader, photoString.data(), photoHeader_size);
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#elif defined ICONV_COMPATIBLE
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iconv_t iconv_in = iconv_open("UTF-16LE", "UTF-8");
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if (iconv_in == (iconv_t)-1) {
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p_error = Error::UnicodeInitError; // 4
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return false;
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}
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char photoString[256];
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memcpy(photoString, p_photoString.data(), p_photoString.size());
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char photoHeader[256];
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size_t src_s = p_photoString.size();
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size_t dst_s = sizeof(photoHeader);
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char *src = photoString;
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char *dst = photoHeader;
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const size_t ret = iconv(iconv_in, &src, &src_s, &dst, &dst_s);
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iconv_close(iconv_in);
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if (ret == static_cast<size_t>(-1)) {
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p_error = Error::UnicodeHeaderError; // 5
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return false;
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}
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const size_t photoHeader_size = p_photoString.size() * 2;
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if (photoHeader_size > 256) {
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p_error = Error::HeaderBufferTight; // 34
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return false;
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}
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#endif
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if (p_photoSize > p_photoBuffer) {
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p_error = Error::PhotoBufferTight; // 35
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return false;
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}
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const size_t jsonString_size = p_jsonString.size() + 1;
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if (jsonString_size > p_jsonBuffer) {
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p_error = Error::JsonBufferTight; // 36
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return false;
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}
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const size_t titlString_size = p_titleString.size() + 1;
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if (titlString_size > p_titlBuffer) {
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p_error = Error::TitleBufferTight; // 37
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return false;
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}
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const size_t descString_size = p_descriptionString.size() + 1;
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if (descString_size > p_descBuffer) {
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p_error = Error::DescBufferTight; // 38
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return false;
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}
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const size_t length = saveSize(photoFormat);
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size_t pos = 0;
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char uInt32Buffer[4];
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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memcpy(uInt32Buffer, &photoFormat, 4);
|
|
#else
|
|
uInt32ToCharLE(static_cast<uint32_t>(photoFormat), uInt32Buffer);
|
|
#endif
|
|
writeBuffer(uInt32Buffer, data, &pos, length, 4);
|
|
|
|
writeBuffer(photoHeader, data, &pos, length, photoHeader_size);
|
|
for (size_t i = photoHeader_size; i < 256; i++) {
|
|
writeBuffer("\0", data, &pos, length, 1);
|
|
}
|
|
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
memcpy(uInt32Buffer, &p_headerSum, 4);
|
|
#else
|
|
uInt32ToCharLE(p_headerSum, uInt32Buffer);
|
|
#endif
|
|
writeBuffer(uInt32Buffer, data, &pos, length, 4);
|
|
|
|
if (photoFormat == PhotoFormat::RDR2) {
|
|
for (size_t i = 0; i < 8; i++) {
|
|
writeBuffer("\0", data, &pos, length, 1);
|
|
}
|
|
}
|
|
const size_t headerSize = pos;
|
|
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
memcpy(uInt32Buffer, &p_endOfFile, 4);
|
|
#else
|
|
uInt32ToCharLE(p_endOfFile, uInt32Buffer);
|
|
#endif
|
|
writeBuffer(uInt32Buffer, data, &pos, length, 4);
|
|
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
memcpy(uInt32Buffer, &p_jsonOffset, 4);
|
|
#else
|
|
uInt32ToCharLE(p_jsonOffset, uInt32Buffer);
|
|
#endif
|
|
writeBuffer(uInt32Buffer, data, &pos, length, 4);
|
|
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
memcpy(uInt32Buffer, &p_titlOffset, 4);
|
|
#else
|
|
uInt32ToCharLE(p_titlOffset, uInt32Buffer);
|
|
#endif
|
|
writeBuffer(uInt32Buffer, data, &pos, length, 4);
|
|
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
memcpy(uInt32Buffer, &p_descOffset, 4);
|
|
#else
|
|
uInt32ToCharLE(p_descOffset, uInt32Buffer);
|
|
#endif
|
|
writeBuffer(uInt32Buffer, data, &pos, length, 4);
|
|
|
|
writeBuffer("JPEG", data, &pos, length, 4);
|
|
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
memcpy(uInt32Buffer, &p_photoBuffer, 4);
|
|
#else
|
|
uInt32ToCharLE(p_photoBuffer, uInt32Buffer);
|
|
#endif
|
|
writeBuffer(uInt32Buffer, data, &pos, length, 4);
|
|
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
memcpy(uInt32Buffer, &p_photoSize, 4);
|
|
#else
|
|
uInt32ToCharLE(p_photoSize, uInt32Buffer);
|
|
#endif
|
|
writeBuffer(uInt32Buffer, data, &pos, length, 4);
|
|
|
|
writeBuffer(p_photoData, data, &pos, length, p_photoSize);
|
|
for (size_t i = p_photoSize; i < p_photoBuffer; i++) {
|
|
writeBuffer("\0", data, &pos, length, 1);
|
|
}
|
|
|
|
pos = p_jsonOffset + headerSize;
|
|
writeBuffer("JSON", data, &pos, length, 4);
|
|
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
memcpy(uInt32Buffer, &p_jsonBuffer, 4);
|
|
#else
|
|
uInt32ToCharLE(p_jsonBuffer, uInt32Buffer);
|
|
#endif
|
|
writeBuffer(uInt32Buffer, data, &pos, length, 4);
|
|
|
|
writeBuffer(p_jsonString.data(), data, &pos, length, jsonString_size);
|
|
for (size_t i = jsonString_size; i < p_jsonBuffer; i++) {
|
|
writeBuffer("\0", data, &pos, length, 1);
|
|
}
|
|
|
|
pos = p_titlOffset + headerSize;
|
|
writeBuffer("TITL", data, &pos, length, 4);
|
|
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
memcpy(uInt32Buffer, &p_titlBuffer, 4);
|
|
#else
|
|
uInt32ToCharLE(p_titlBuffer, uInt32Buffer);
|
|
#endif
|
|
writeBuffer(uInt32Buffer, data, &pos, length, 4);
|
|
|
|
writeBuffer(p_titleString.data(), data, &pos, length, titlString_size);
|
|
for (size_t i = titlString_size; i < p_titlBuffer; i++) {
|
|
writeBuffer("\0", data, &pos, length, 1);
|
|
}
|
|
|
|
pos = p_descOffset + headerSize;
|
|
writeBuffer("DESC", data, &pos, length, 4);
|
|
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
memcpy(uInt32Buffer, &p_descBuffer, 4);
|
|
#else
|
|
uInt32ToCharLE(p_descBuffer, uInt32Buffer);
|
|
#endif
|
|
writeBuffer(uInt32Buffer, data, &pos, length, 4);
|
|
|
|
writeBuffer(p_descriptionString.data(), data, &pos, length, descString_size);
|
|
for (size_t i = descString_size; i < p_descBuffer; i++) {
|
|
writeBuffer("\0", data, &pos, length, 1);
|
|
}
|
|
|
|
pos = p_endOfFile + headerSize - 4;
|
|
writeBuffer("JEND", data, &pos, length, 4);
|
|
|
|
p_error = Error::NoError; // 255
|
|
return true;
|
|
#else
|
|
std::cout << "UTF-16LE encoding support missing" << std::endl;
|
|
p_error = Error::UnicodeInitError; // 4
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
p_error = Error::IncompatibleFormat; // 2
|
|
return false;
|
|
}
|
|
|
|
bool RagePhoto::save(char *data)
|
|
{
|
|
return save(data, p_photoFormat);
|
|
}
|
|
|
|
const std::string RagePhoto::save(PhotoFormat photoFormat, bool *ok)
|
|
{
|
|
const size_t size = saveSize(photoFormat);
|
|
if (size == 0) {
|
|
if (ok)
|
|
*ok = false;
|
|
return std::string();
|
|
}
|
|
char *data = static_cast<char*>(malloc(size));
|
|
if (!data) {
|
|
if (ok)
|
|
*ok = false;
|
|
return std::string();
|
|
}
|
|
const bool saved = save(data, photoFormat);
|
|
if (ok)
|
|
*ok = saved;
|
|
const std::string sdata = std::string(data, size);
|
|
free(data);
|
|
return sdata;
|
|
}
|
|
|
|
const std::string RagePhoto::save(bool *ok)
|
|
{
|
|
return save(p_photoFormat, ok);
|
|
}
|
|
|
|
size_t RagePhoto::saveSize(PhotoFormat photoFormat)
|
|
{
|
|
if (photoFormat == PhotoFormat::GTA5)
|
|
return (p_photoBuffer + p_jsonBuffer + p_titlBuffer + p_descBuffer + GTA5_HEADERSIZE + 56UL);
|
|
else if (photoFormat == PhotoFormat::RDR2)
|
|
return (p_photoBuffer + p_jsonBuffer + p_titlBuffer + p_descBuffer + RDR2_HEADERSIZE + 56UL);
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
size_t RagePhoto::saveSize()
|
|
{
|
|
return saveSize(p_photoFormat);
|
|
}
|
|
|
|
void RagePhoto::setBufferDefault()
|
|
{
|
|
p_descBuffer = DEFAULT_DESCBUFFER;
|
|
p_jsonBuffer = DEFAULT_JSONBUFFER;
|
|
p_titlBuffer = DEFAULT_TITLBUFFER;
|
|
moveOffsets();
|
|
}
|
|
|
|
void RagePhoto::setDescription(const std::string &description, uint32_t bufferSize)
|
|
{
|
|
p_descriptionString = description;
|
|
if (bufferSize != 0) {
|
|
p_descBuffer = bufferSize;
|
|
moveOffsets();
|
|
}
|
|
}
|
|
|
|
void RagePhoto::setFormat(PhotoFormat photoFormat)
|
|
{
|
|
p_photoFormat = photoFormat;
|
|
}
|
|
|
|
void RagePhoto::setJson(const std::string &json, uint32_t bufferSize)
|
|
{
|
|
p_jsonString = json;
|
|
if (bufferSize != 0) {
|
|
p_jsonBuffer = bufferSize;
|
|
moveOffsets();
|
|
}
|
|
}
|
|
|
|
void RagePhoto::setHeader(const std::string &header, uint32_t headerSum)
|
|
{
|
|
p_photoString = header;
|
|
p_headerSum = headerSum;
|
|
}
|
|
|
|
bool RagePhoto::setPhoto(const char *data, uint32_t size, uint32_t bufferSize)
|
|
{
|
|
if (p_photoLoaded) {
|
|
if (p_photoSize > size) {
|
|
char *t_photoData = static_cast<char*>(realloc(p_photoData, size));
|
|
if (!t_photoData) {
|
|
p_error = Error::PhotoMallocError; // 15
|
|
return false;
|
|
}
|
|
p_photoData = t_photoData;
|
|
memcpy(p_photoData, data, size);
|
|
p_photoSize = size;
|
|
}
|
|
else if (p_photoSize < size) {
|
|
free(p_photoData);
|
|
p_photoData = static_cast<char*>(malloc(size));
|
|
if (!p_photoData) {
|
|
p_error = Error::PhotoMallocError; // 15
|
|
p_photoLoaded = false;
|
|
return false;
|
|
}
|
|
memcpy(p_photoData, data, size);
|
|
p_photoSize = size;
|
|
}
|
|
else {
|
|
memcpy(p_photoData, data, size);
|
|
}
|
|
}
|
|
else {
|
|
p_photoData = static_cast<char*>(malloc(size));
|
|
if (!p_photoData) {
|
|
p_error = Error::PhotoMallocError; // 15
|
|
return false;
|
|
}
|
|
memcpy(p_photoData, data, size);
|
|
p_photoLoaded = true;
|
|
p_photoSize = size;
|
|
}
|
|
|
|
if (bufferSize != 0) {
|
|
p_photoBuffer = bufferSize;
|
|
moveOffsets();
|
|
}
|
|
|
|
p_error = Error::NoError; // 255
|
|
return true;
|
|
}
|
|
|
|
bool RagePhoto::setPhoto(const std::string &data, uint32_t bufferSize)
|
|
{
|
|
return setPhoto(data.data(), static_cast<uint32_t>(data.size()), bufferSize);
|
|
}
|
|
|
|
void RagePhoto::setTitle(const std::string &title, uint32_t bufferSize)
|
|
{
|
|
p_titleString = title;
|
|
if (bufferSize != 0) {
|
|
p_titlBuffer = bufferSize;
|
|
moveOffsets();
|
|
}
|
|
}
|
|
|
|
void RagePhoto::moveOffsets()
|
|
{
|
|
p_jsonOffset = p_photoBuffer + 28;
|
|
p_titlOffset = p_jsonOffset + p_jsonBuffer + 8;
|
|
p_descOffset = p_titlOffset + p_titlBuffer + 8;
|
|
p_endOfFile = p_descOffset + p_descBuffer + 12;
|
|
}
|
|
|
|
size_t RagePhoto::readBuffer(const char *input, void *output, size_t *pos, size_t len, size_t inputLen)
|
|
{
|
|
size_t readLen = 0;
|
|
if (*pos >= inputLen)
|
|
return 0;
|
|
readLen = inputLen - *pos;
|
|
if (readLen > len)
|
|
readLen = len;
|
|
memcpy(output, reinterpret_cast<const void*>(&input[*pos]), readLen);
|
|
*pos = *pos + readLen;
|
|
return readLen;
|
|
}
|
|
|
|
size_t RagePhoto::writeBuffer(const void *input, char *output, size_t *pos, size_t len, size_t inputLen)
|
|
{
|
|
const size_t maxLen = len - *pos;
|
|
size_t writeLen = inputLen;
|
|
if (*pos >= len)
|
|
return 0;
|
|
if (inputLen > maxLen)
|
|
writeLen = maxLen;
|
|
memcpy(reinterpret_cast<void*>(&output[*pos]), input, writeLen);
|
|
*pos = *pos + writeLen;
|
|
return writeLen;
|
|
}
|
|
|
|
uint32_t RagePhoto::charToUInt32LE(char *x)
|
|
{
|
|
return (static_cast<unsigned char>(x[3]) << 24 |
|
|
static_cast<unsigned char>(x[2]) << 16 |
|
|
static_cast<unsigned char>(x[1]) << 8 |
|
|
static_cast<unsigned char>(x[0]));
|
|
}
|
|
|
|
void RagePhoto::uInt32ToCharLE(uint32_t x, char *y)
|
|
{
|
|
y[0] = x;
|
|
y[1] = x >> 8;
|
|
y[2] = x >> 16;
|
|
y[3] = x >> 24;
|
|
}
|