File: cstream.h

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/* 
 *	HT Editor
 *	cstream.cc
 *
 *	Copyright (C) 1999, 2000, 2001 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 "minilzo.h"
#include "stream.h"

/*
 *	NEVER use ht_compressed_stream for both reading and writing!!
 */
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=10240);
	virtual	void	done();
/* overwritten */
	virtual	UINT	read(void *buf, UINT size);
	virtual	UINT	write(void *buf, UINT size);
protected:
			bool flush_compressed();
			bool flush_uncompressed();
};

#endif