121 lines
2.6 KiB
C++
121 lines
2.6 KiB
C++
#include "VTUtils.hpp"
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#if defined(LIBCMO_OS_WIN32)
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#define ZLIB_WINAPI
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#include "zconf.h"
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#endif
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#include "VTStruct.hpp"
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#include <cstdlib>
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#include <zlib.h>
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namespace LibCmo {
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void* CKUnPackData(CKINT DestSize, const void* SrcBuffer, CKINT SrcSize) {
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char* DestBuffer = (char*)malloc(DestSize);
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if (DestBuffer == nullptr) return nullptr;
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uLongf cache = DestSize;
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if (uncompress(
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reinterpret_cast<Bytef*>(DestBuffer), &cache,
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reinterpret_cast<const Bytef*>(SrcBuffer), SrcSize) != Z_OK) {
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free(DestBuffer);
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return nullptr;
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}
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return DestBuffer;
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}
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#pragma region VxMemoryMappedFile
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VxMemoryMappedFile::VxMemoryMappedFile(const char* u8_filepath) :
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m_szFilePath(),
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m_hFile(nullptr), m_hFileMapping(nullptr),
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m_bIsValid(false) {
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// save file path and set region option
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boost::interprocess::map_options_t region_option;
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#if defined(LIBCMO_OS_WIN32)
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Encoding::CharToWchar(u8_filepath, this->m_szFilePath, CP_UTF8);
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region_option = FILE_MAP_READ;
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#else
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this->m_szFilePath = u8_filepath;
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region_option = boost::interprocess::default_map_options;
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#endif
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// open file
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this->m_hFile = new boost::interprocess::file_mapping(
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this->m_szFilePath.c_str(), boost::interprocess::read_only
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);
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// open region
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this->m_hFileMapping = new boost::interprocess::mapped_region(
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*(this->m_hFile), boost::interprocess::read_only,
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0, 0, nullptr,
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region_option
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);
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// set valid
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this->m_bIsValid = true;
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}
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VxMemoryMappedFile::~VxMemoryMappedFile(void) {
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this->m_bIsValid = false;
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delete this->m_hFileMapping;
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boost::interprocess::file_mapping::remove(this->m_szFilePath.c_str());
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delete this->m_hFile;
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}
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#pragma endregion
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#pragma region CKBufferParser
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CKBufferParser::CKBufferParser(void* ptr, size_t rsize, bool need_manual_free) :
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m_ReaderBegin(static_cast<char*>(ptr)),
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m_ReaderPos(0u), m_ReaderSize(rsize),
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m_NeedManualFree(need_manual_free) {
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;
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}
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CKBufferParser::~CKBufferParser() {
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if (this->m_NeedManualFree) free(this->m_ReaderBegin);
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}
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#pragma endregion
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#pragma region CKFile Misc
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CKFile::CKFile(const Utils::VirtoolsContext& cfg) :
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m_Parser(nullptr), m_MappedFile(nullptr),
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m_UserCfg(cfg) {
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;
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}
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CKFile::~CKFile() {
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}
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void CKFile::ClearData(void) {
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m_SaveIDMax = 0;
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m_FileObject.clear();
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m_PluginDep.clear();
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memset(&m_FileInfo, 0, sizeof(CKFileInfo));
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m_Flags = CK_LOAD_FLAGS::CK_LOAD_DEFAULT;
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m_FileName.clear();
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if (m_Parser != nullptr) {
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delete m_Parser;
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m_Parser = nullptr;
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}
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if (m_MappedFile != nullptr) {
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delete m_MappedFile;
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m_MappedFile = nullptr;
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}
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}
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#pragma endregion
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}
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