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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/>.
*
*/
#ifndef LIBRETRO_FILESYSTEM_H
#define LIBRETRO_FILESYSTEM_H
#include "backends/fs/abstract-fs.h"
#ifdef MACOSX
#include <sys/types.h>
#endif
#include <unistd.h>
/**
* Implementation of the ScummVM file system API based on LibRetro.
*
* Parts of this class are documented in the base interface class, AbstractFSNode.
*/
class LibRetroFilesystemNode : public AbstractFSNode {
protected:
Common::String _displayName;
Common::String _path;
bool _isDirectory;
bool _isValid;
bool _isReadable;
bool _isWritable;
virtual AbstractFSNode *makeNode(const Common::String &path) const {
return new LibRetroFilesystemNode(path);
}
/**
* Plain constructor, for internal use only (hence protected).
*/
LibRetroFilesystemNode() : _isDirectory(false), _isValid(false) {}
public:
/**
* Creates a LibRetroFilesystemNode for a given path.
*
* @param path the path the new node should point to.
*/
LibRetroFilesystemNode(const Common::String &path);
virtual bool exists() const {
return access(_path.c_str(), F_OK) == 0;
}
virtual Common::U32String getDisplayName() const {
return _displayName;
}
virtual Common::String getName() const {
return _displayName;
}
virtual Common::String getPath() const {
return _path;
}
virtual bool isDirectory() const {
return _isDirectory && _isReadable;
}
virtual bool isReadable() const {
return _isReadable;
}
virtual bool isWritable() const {
return _isWritable;
}
virtual AbstractFSNode *getChild(const Common::String &n) const;
virtual bool getChildren(AbstractFSList &list, ListMode mode, bool hidden) const;
virtual AbstractFSNode *getParent() const;
virtual Common::SeekableReadStream *createReadStream();
virtual Common::SeekableWriteStream *createWriteStream(bool atomic);
virtual bool createDirectory();
static Common::String getHomeDir(void);
private:
/**
* Tests and sets the _isValid and _isDirectory flags, using the stat() function.
*/
virtual void setFlags();
};
#endif
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