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/*
* Copyright (C) 2007-2012 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#ifndef BU_BZIP2_H
#define BU_BZIP2_H
#include <stdint.h>
#include "bu/filter.h"
namespace Bu
{
/**
* Provides BZip2 type compression and decompression.
*
*@ingroup Streams
*@ingroup Compression
*/
class BZip2 : public Bu::Filter
{
public:
BZip2( Bu::Stream &rNext, int nCompression=9 );
virtual ~BZip2();
virtual void start();
virtual Bu::size stop();
virtual Bu::size read( void *pBuf, Bu::size nBytes );
virtual Bu::size write( const void *pBuf, Bu::size nBytes );
virtual bool isOpen();
Bu::size getCompressedSize();
private:
void bzError( int code );
void *prState;
bool bReading;
int nCompression;
char *pBuf;
uint32_t nBufSize;
Bu::size sTotalOut;
};
}
#endif
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