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gbampsave.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 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */
 
#ifndef _GBAMPSAVE_H_
#define _GBAMPSAVE_H_

#include "system.h"
#include "ds-fs.h"

#define SAVE_BUFFER_SIZE 100000

class GBAMPSaveFile : public Common::InSaveFile, public Common::OutSaveFile {
      DS::fileHandle* handle;
      char buffer[SAVE_BUFFER_SIZE];
      int bufferPos;
      int saveSize;
      int flushed;

public:
      GBAMPSaveFile(char* name, bool saveOrLoad);
      virtual ~GBAMPSaveFile();
            
      virtual uint32 read(void *buf, uint32 size);
      virtual uint32 write(const void *buf, uint32 size);
      
      virtual bool eos() const;
      virtual void skip(uint32 bytes);

      virtual uint32 pos() const;
      virtual uint32 size() const;
      virtual void seek(int32 pos, int whence);
      
      void flushSaveBuffer();
      
      virtual bool isOpen() const {
            return handle != 0;
      }
};


class GBAMPSaveFileManager : public Common::SaveFileManager {
public:
      GBAMPSaveFileManager();
      ~GBAMPSaveFileManager();
      
//    static GBAMPSaveFileManager* instance() { return instancePtr; }

      GBAMPSaveFile *openSavefile(const char *filename, bool saveOrLoad);
      
      virtual Common::OutSaveFile* openForSaving(const char* filename) { return openSavefile(filename, true); }
      virtual Common::InSaveFile* openForLoading(const char* filename) { return openSavefile(filename, false); }
      
      virtual bool removeSavefile(const char *filename) { return false; } // TODO: Implement this
      virtual Common::StringList listSavefiles(const char *pattern);
      
      void deleteFile(char* name);
      void listFiles();

      const char *getSavePath() const;
};

#endif

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