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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001/2002 The ScummVM project
*
* 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.
*
* $Header$
*
*/
#ifndef COMMON_SAVEFILE_H
#define COMMON_SAVEFILE_H
#include "stdafx.h"
#include "common/scummsys.h"
#include <stdio.h>
#include <string.h>
class SaveFile {
public:
virtual ~SaveFile() {}
/* Compatible with File API */
uint32 read(void *ptr, uint32 size);
byte readByte();
uint16 readUint16LE();
uint32 readUint32LE();
uint16 readUint16BE();
uint32 readUint32BE();
uint32 write(const void *ptr, uint32 size);
void writeByte(byte value);
void writeUint16LE(uint16 value);
void writeUint32LE(uint32 value);
void writeUint16BE(uint16 value);
void writeUint32BE(uint32 value);
protected:
/* Only for internal use, use File compatible API above instead */
virtual int fread(void *buf, int size, int cnt) = 0;
virtual int fwrite(const void *buf, int size, int cnt) = 0;
};
class StdioSaveFile : public SaveFile {
private:
FILE *fh;
public:
StdioSaveFile(const char *filename, const char *mode)
{ fh = ::fopen(filename, mode); }
~StdioSaveFile()
{ if(fh) ::fclose(fh); }
bool is_open() { return fh != NULL; }
protected:
int fread(void *buf, int size, int cnt)
{ return ::fread(buf, size, cnt, fh); }
int fwrite(const void *buf, int size, int cnt)
{ return ::fwrite(buf, size, cnt, fh); }
};
class SaveFileManager {
public:
virtual ~SaveFileManager() {}
virtual SaveFile *open_savefile(const char *filename, const char *directory, bool saveOrLoad);
virtual void list_savefiles(const char * /* prefix */, const char *directory, bool *marks, int num) {
memset(marks, true, num * sizeof(bool));
}
protected:
void join_paths(const char *filename, const char *directory,
char *buf, int bufsize);
};
#endif
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