mirror of
https://github.com/libretro/beetle-psx-libretro.git
synced 2024-11-26 18:30:26 +00:00
63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
/* Mednafen - Multi-system Emulator
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
// TODO/WIP
|
|
|
|
#ifndef _MEMORY_STREAM_H
|
|
#define _MEMORY_STREAM_H
|
|
|
|
#include "Stream.h"
|
|
|
|
class MemoryStream : public Stream
|
|
{
|
|
public:
|
|
|
|
MemoryStream();
|
|
MemoryStream(uint64 size_hint);
|
|
MemoryStream(Stream *stream); // Will create a MemoryStream equivalent of the contents of "stream", and then "delete stream".
|
|
// Will only work if stream->tell() == 0, or if "stream" is seekable.
|
|
// stream will be deleted even if this constructor throws.
|
|
|
|
MemoryStream(const MemoryStream *zs);
|
|
MemoryStream & operator=(const MemoryStream *zs);
|
|
|
|
virtual ~MemoryStream();
|
|
|
|
virtual uint8 *map(void);
|
|
virtual void unmap(void);
|
|
|
|
virtual uint64 read(void *data, uint64 count);
|
|
virtual void write(const void *data, uint64 count);
|
|
virtual void seek(int64 offset, int whence);
|
|
virtual uint64_t tell(void);
|
|
virtual uint64_t size(void);
|
|
virtual void close(void);
|
|
|
|
virtual int get_line(std::string &str);
|
|
|
|
private:
|
|
uint8 *data_buffer;
|
|
uint64 data_buffer_size;
|
|
uint64 data_buffer_alloced;
|
|
|
|
int64 position;
|
|
|
|
void grow_if_necessary(uint64 new_required_size);
|
|
};
|
|
|
|
#endif
|