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47 lines
1.5 KiB
47 lines
1.5 KiB
//========= 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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