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vcmi/lib/filesystem/CZipSaver.cpp
Andrey Filipenkov ff635edc0b wrap all library code into namespace if VCMI_LIB_NAMESPACE is defined
preparation for having client and server in a single process
2022-09-24 15:55:21 +03:00

125 lines
2.9 KiB
C++

/*
* CZipSaver.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "CZipSaver.h"
VCMI_LIB_NAMESPACE_BEGIN
///CZipOutputStream
CZipOutputStream::CZipOutputStream(CZipSaver * owner_, zipFile archive, const std::string & archiveFilename):
handle(archive),
owner(owner_)
{
zip_fileinfo fileInfo;
std::time_t t = time(nullptr);
fileInfo.dosDate = 0;
struct tm * localTime = std::localtime(&t);
fileInfo.tmz_date.tm_hour = localTime->tm_hour;
fileInfo.tmz_date.tm_mday = localTime->tm_mday;
fileInfo.tmz_date.tm_min = localTime->tm_min;
fileInfo.tmz_date.tm_mon = localTime->tm_mon;
fileInfo.tmz_date.tm_sec = localTime->tm_sec;
fileInfo.tmz_date.tm_year = localTime->tm_year;
fileInfo.external_fa = 0; //???
fileInfo.internal_fa = 0;
int status = zipOpenNewFileInZip4_64(
handle,
archiveFilename.c_str(),
&fileInfo,
nullptr,//extrafield_local
0,
nullptr,//extrafield_global
0,
nullptr,//comment
Z_DEFLATED,
Z_DEFAULT_COMPRESSION,
0,//raw
-15,//windowBits
9,//memLevel
Z_DEFAULT_STRATEGY,//strategy
nullptr,//password
0,//crcForCrypting
20,//versionMadeBy
0,//flagBase
0//zip64
);
if(status != ZIP_OK)
throw std::runtime_error("CZipOutputStream: zipOpenNewFileInZip failed");
owner->activeStream = this;
}
CZipOutputStream::~CZipOutputStream()
{
int status = zipCloseFileInZip(handle);
if (status != ZIP_OK)
logGlobal->error("CZipOutputStream: stream finalize failed: %d", static_cast<int>(status));
owner->activeStream = nullptr;
}
si64 CZipOutputStream::write(const ui8 * data, si64 size)
{
int ret = zipWriteInFileInZip(handle, (const void*)data, (unsigned)size);
if (ret == ZIP_OK)
return size;
else
return 0;
}
///CZipSaver
CZipSaver::CZipSaver(std::shared_ptr<CIOApi> api, const boost::filesystem::path & path):
ioApi(api),
zipApi(ioApi->getApiStructure()),
handle(nullptr),
activeStream(nullptr)
{
handle = zipOpen2_64((const void *) & path, APPEND_STATUS_CREATE, nullptr, &zipApi);
if (handle == nullptr)
throw std::runtime_error("CZipSaver: Failed to create archive");
}
CZipSaver::~CZipSaver()
{
if(activeStream != nullptr)
{
logGlobal->error("CZipSaver::~CZipSaver: active stream found");
zipCloseFileInZip(handle);
}
if(handle != nullptr)
{
int status = zipClose(handle, nullptr);
if (status != ZIP_OK)
logGlobal->error("CZipSaver: archive finalize failed: %d", static_cast<int>(status));
}
}
std::unique_ptr<COutputStream> CZipSaver::addFile(const std::string & archiveFilename)
{
if(activeStream != nullptr)
throw std::runtime_error("CZipSaver::addFile: stream already opened");
std::unique_ptr<COutputStream> stream(new CZipOutputStream(this, handle, archiveFilename));
return stream;
}
VCMI_LIB_NAMESPACE_END