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cstream.h
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cstream.h
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/*
* HT Editor
* cstream.cc
*
* Copyright (C) 1999-2002 Sebastian Biallas (sb@web-productions.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __CSTREAM_H__
#define __CSTREAM_H__
#include "global.h"
#include "stream.h"
/*
* NEVER use ht_compressed_stream for both reading and writing!
*/
#define COMPRESSED_STREAM_DEFAULT_GRANULARITY 10240
class ht_compressed_stream: public ht_layer_stream {
protected:
byte *buffer;
UINT buffersize;
UINT bufferpos;
public:
void init(ht_stream *stream, bool own_stream, UINT granularity=COMPRESSED_STREAM_DEFAULT_GRANULARITY);
virtual void done();
/* overwritten */
virtual UINT read(void *buf, UINT size);
virtual UINT write(const void *buf, UINT size);
protected:
bool flush_compressed();
bool flush_uncompressed();
};
#endif