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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/util.h"
#include "common/savefile.h"
#include "common/str.h"
#if defined(USE_CLOUD) && defined(USE_LIBCURL)
#include "backends/cloud/cloudmanager.h"
#endif
namespace Common {
OutSaveFile::OutSaveFile(WriteStream *w): _wrapped(w) {}
OutSaveFile::~OutSaveFile() {
delete _wrapped;
#if defined(USE_CLOUD) && defined(USE_LIBCURL)
CloudMan.syncSaves();
#endif
}
bool OutSaveFile::err() const { return _wrapped->err(); }
void OutSaveFile::clearErr() { _wrapped->clearErr(); }
void OutSaveFile::finalize() {
_wrapped->finalize();
}
bool OutSaveFile::flush() { return _wrapped->flush(); }
uint32 OutSaveFile::write(const void *dataPtr, uint32 dataSize) {
return _wrapped->write(dataPtr, dataSize);
}
int64 OutSaveFile::pos() const {
return _wrapped->pos();
}
bool OutSaveFile::seek(int64 offset, int whence) {
Common::SeekableWriteStream *sws =
dynamic_cast<Common::SeekableWriteStream *>(_wrapped);
if (sws) {
return sws->seek(offset, whence);
} else {
warning("Seeking isn't supported for compressed save files");
return false;
}
}
int64 OutSaveFile::size() const {
Common::SeekableWriteStream *sws =
dynamic_cast<Common::SeekableWriteStream *>(_wrapped);
if (sws) {
return sws->size();
} else {
warning("Size isn't supported for compressed save files");
return -1;
}
}
bool SaveFileManager::copySavefile(const String &oldFilename, const String &newFilename, bool compress) {
InSaveFile *inFile = nullptr;
OutSaveFile *outFile = nullptr;
uint32 size = 0;
void *buffer = nullptr;
bool success = false;
inFile = openForLoading(oldFilename);
if (inFile) {
size = inFile->size();
buffer = malloc(size);
assert(buffer);
outFile = openForSaving(newFilename, compress);
if (buffer && outFile) {
inFile->read(buffer, size);
bool error = inFile->err();
delete inFile;
inFile = nullptr;
if (!error) {
outFile->write(buffer, size);
outFile->finalize();
success = !outFile->err();
}
}
free(buffer);
delete outFile;
delete inFile;
}
return success;
}
bool SaveFileManager::renameSavefile(const String &oldFilename, const String &newFilename, bool compress) {
if (!copySavefile(oldFilename, newFilename, compress))
return false;
return removeSavefile(oldFilename);
}
String SaveFileManager::popErrorDesc() {
String err = _errorDesc;
clearError();
return err;
}
} // End of namespace Common
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