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