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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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/scummsys.h"
#if !defined(DISABLE_DEFAULT_SAVEFILEMANAGER)
#include "backends/saves/default/default-saves.h"
#include "common/savefile.h"
#include "common/util.h"
#include "common/fs.h"
#include "common/archive.h"
#include "common/config-manager.h"
#include "common/zlib.h"
#ifndef _WIN32_WCE
#include <errno.h> // for removeSavefile()
#endif
DefaultSaveFileManager::DefaultSaveFileManager() {
}
DefaultSaveFileManager::DefaultSaveFileManager(const Common::String &defaultSavepath) {
ConfMan.registerDefault("savepath", defaultSavepath);
}
void DefaultSaveFileManager::checkPath(const Common::FSNode &dir) {
clearError();
if (!dir.exists()) {
setError(Common::kPathDoesNotExist, "The savepath '"+dir.getPath()+"' does not exist");
} else if (!dir.isDirectory()) {
setError(Common::kPathNotDirectory, "The savepath '"+dir.getPath()+"' is not a directory");
}
}
Common::StringArray DefaultSaveFileManager::listSavefiles(const Common::String &pattern) {
Common::String savePathName = getSavePath();
checkPath(Common::FSNode(savePathName));
if (getError().getCode() != Common::kNoError)
return Common::StringArray();
// recreate FSNode since checkPath may have changed/created the directory
Common::FSNode savePath(savePathName);
Common::FSDirectory dir(savePath);
Common::ArchiveMemberList savefiles;
Common::StringArray results;
Common::String search(pattern);
if (dir.listMatchingMembers(savefiles, search) > 0) {
for (Common::ArchiveMemberList::const_iterator file = savefiles.begin(); file != savefiles.end(); ++file) {
results.push_back((*file)->getName());
}
}
return results;
}
Common::InSaveFile *DefaultSaveFileManager::openForLoading(const Common::String &filename) {
// Ensure that the savepath is valid. If not, generate an appropriate error.
Common::String savePathName = getSavePath();
checkPath(Common::FSNode(savePathName));
if (getError().getCode() != Common::kNoError)
return 0;
// recreate FSNode since checkPath may have changed/created the directory
Common::FSNode savePath(savePathName);
Common::FSNode file = savePath.getChild(filename);
if (!file.exists())
return 0;
// Open the file for reading
Common::SeekableReadStream *sf = file.createReadStream();
return Common::wrapCompressedReadStream(sf);
}
Common::OutSaveFile *DefaultSaveFileManager::openForSaving(const Common::String &filename, bool compress) {
// Ensure that the savepath is valid. If not, generate an appropriate error.
Common::String savePathName = getSavePath();
checkPath(Common::FSNode(savePathName));
if (getError().getCode() != Common::kNoError)
return 0;
// recreate FSNode since checkPath may have changed/created the directory
Common::FSNode savePath(savePathName);
Common::FSNode file = savePath.getChild(filename);
// Open the file for saving
Common::WriteStream *sf = file.createWriteStream();
return compress ? Common::wrapCompressedWriteStream(sf) : sf;
}
bool DefaultSaveFileManager::removeSavefile(const Common::String &filename) {
Common::String savePathName = getSavePath();
checkPath(Common::FSNode(savePathName));
if (getError().getCode() != Common::kNoError)
return false;
// recreate FSNode since checkPath may have changed/created the directory
Common::FSNode savePath(savePathName);
Common::FSNode file = savePath.getChild(filename);
// FIXME: remove does not exist on all systems. If your port fails to
// compile because of this, please let us know (scummvm-devel or Fingolfin).
// There is a nicely portable workaround, too: Make this method overloadable.
if (remove(file.getPath().c_str()) != 0) {
#ifndef _WIN32_WCE
if (errno == EACCES)
setError(Common::kWritePermissionDenied, "Search or write permission denied: "+file.getName());
if (errno == ENOENT)
setError(Common::kPathDoesNotExist, "removeSavefile: '"+file.getName()+"' does not exist or path is invalid");
#endif
return false;
} else {
return true;
}
}
Common::String DefaultSaveFileManager::getSavePath() const {
Common::String dir;
// Try to use game specific savepath from config
dir = ConfMan.get("savepath");
// Work around a bug (#999122) in the original 0.6.1 release of
// ScummVM, which would insert a bad savepath value into config files.
if (dir == "None") {
ConfMan.removeKey("savepath", ConfMan.getActiveDomainName());
ConfMan.flushToDisk();
dir = ConfMan.get("savepath");
}
#ifdef _WIN32_WCE
if (dir.empty())
dir = ConfMan.get("path");
#endif
return dir;
}
#endif // !defined(DISABLE_DEFAULT_SAVEFILEMANAGER)
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