libretro-fs.h

/* 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>

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);
    }

    LibRetroFilesystemNode() : _isDirectory(false), _isValid(false) {}

public:
    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:
    virtual void setFlags();
};

#endif