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//========= Copyright Valve Corporation, All rights reserved. ============//
//
//=======================================================================================//
#ifndef COMPRESSION_H
#define COMPRESSION_H
//----------------------------------------------------------------------------------------
#include "platform.h"
//----------------------------------------------------------------------------------------
class ICompressor
{
public:
virtual ~ICompressor() {}
virtual bool Compress( char *pDest, unsigned int *pDestLen, const char *pSource, unsigned int nSourceLen ) = 0;
virtual bool Decompress( char *pDest, unsigned int *pDestLen, const char *pSource, unsigned int nSourceLen ) = 0;
virtual int GetEstimatedCompressionSize( unsigned int nSourceLen ) = 0;
};
//----------------------------------------------------------------------------------------
enum CompressorType_t
{
COMPRESSORTYPE_INVALID = -1,
COMPRESSORTYPE_LZSS,
COMPRESSORTYPE_BZ2,
NUM_COMPRESSOR_TYPES
};
//----------------------------------------------------------------------------------------
extern const char *g_pCompressorTypes[ NUM_COMPRESSOR_TYPES ];
//----------------------------------------------------------------------------------------
ICompressor *CreateCompressor( CompressorType_t nType );
const char *GetCompressorNameSafe( CompressorType_t nType );
//----------------------------------------------------------------------------------------
#endif // COMPRESSION_H
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