mirror of
https://github.com/libretro/scummvm.git
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93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001/2002 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#ifndef COMMON_SAVEFILE_H
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#define COMMON_SAVEFILE_H
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#include "stdafx.h"
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#include "common/scummsys.h"
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#include <stdio.h>
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#include <string.h>
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class SaveFile {
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public:
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virtual ~SaveFile() {}
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/* Compatible with File API */
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uint32 read(void *ptr, uint32 size);
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byte readByte();
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uint16 readUint16LE();
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uint32 readUint32LE();
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uint16 readUint16BE();
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uint32 readUint32BE();
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uint32 write(const void *ptr, uint32 size);
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void writeByte(byte value);
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void writeUint16LE(uint16 value);
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void writeUint32LE(uint32 value);
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void writeUint16BE(uint16 value);
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void writeUint32BE(uint32 value);
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protected:
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/* Only for internal use, use File compatible API above instead */
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virtual int fread(void *buf, int size, int cnt) = 0;
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virtual int fwrite(const void *buf, int size, int cnt) = 0;
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};
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class StdioSaveFile : public SaveFile {
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private:
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FILE *fh;
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public:
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StdioSaveFile(const char *filename, const char *mode)
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{ fh = ::fopen(filename, mode); }
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~StdioSaveFile()
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{ if(fh) ::fclose(fh); }
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bool is_open() { return fh != NULL; }
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protected:
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int fread(void *buf, int size, int cnt)
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{ return ::fread(buf, size, cnt, fh); }
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int fwrite(const void *buf, int size, int cnt)
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{ return ::fwrite(buf, size, cnt, fh); }
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};
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class SaveFileManager {
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public:
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virtual ~SaveFileManager() {}
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virtual SaveFile *open_savefile(const char *filename, const char *directory, bool saveOrLoad);
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virtual void list_savefiles(const char * /* prefix */, const char *directory, bool *marks, int num) {
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memset(marks, true, num * sizeof(bool));
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}
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protected:
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void join_paths(const char *filename, const char *directory,
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char *buf, int bufsize);
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};
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#endif
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