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vcmi/launcher/innoextract.cpp
2024-09-02 23:36:42 +02:00

63 lines
1.4 KiB
C++

/*
* innoextract.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 "innoextract.h"
#ifdef ENABLE_INNOEXTRACT
#include "cli/extract.hpp"
#include "setup/version.hpp"
#endif
QString Innoextract::extract(QString installer, QString outDir, std::function<void (float percent)> cb)
{
QString errorText{};
#ifdef ENABLE_INNOEXTRACT
::extract_options o;
o.extract = true;
// standard settings
o.gog_galaxy = true;
o.codepage = 0U;
o.output_dir = outDir.toStdString();
o.extract_temp = true;
o.extract_unknown = true;
o.filenames.set_expand(true);
o.preserve_file_times = true; // also correctly closes file -> without it: on Windows the files are not written completely
try
{
process_file(installer.toStdString(), o, cb);
}
catch(const std::ios_base::failure & e)
{
errorText = tr("Stream error while extracting files!\nerror reason: ");
errorText += e.what();
}
catch(const format_error & e)
{
errorText = e.what();
}
catch(const std::runtime_error & e)
{
errorText = e.what();
}
catch(const setup::version_error &)
{
errorText = tr("Not a supported Inno Setup installer!");
}
#else
errorText = tr("VCMI was compiled without innoextract support, which is needed to extract exe files!");
#endif
return errorText;
}