diff options
Diffstat (limited to 'src/libs/7zip/win/CPP/7zip/Compress/LzhDecoder.h')
-rw-r--r-- | src/libs/7zip/win/CPP/7zip/Compress/LzhDecoder.h | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/src/libs/7zip/win/CPP/7zip/Compress/LzhDecoder.h b/src/libs/7zip/win/CPP/7zip/Compress/LzhDecoder.h deleted file mode 100644 index ed631e20d..000000000 --- a/src/libs/7zip/win/CPP/7zip/Compress/LzhDecoder.h +++ /dev/null @@ -1,106 +0,0 @@ -// LzhDecoder.h - -#ifndef __COMPRESS_LZH_DECODER_H -#define __COMPRESS_LZH_DECODER_H - -#include "../../Common/MyCom.h" - -#include "../ICoder.h" - -#include "../Common/InBuffer.h" - -#include "BitmDecoder.h" -#include "HuffmanDecoder.h" -#include "LzOutWindow.h" - -namespace NCompress { -namespace NLzh { -namespace NDecoder { - -const int kMaxHuffmanLen = 16; // Check it - -const int kNumSpecLevelSymbols = 3; -const int kNumLevelSymbols = kNumSpecLevelSymbols + kMaxHuffmanLen; - -const int kDictBitsMax = 16; -const int kNumDistanceSymbols = kDictBitsMax + 1; - -const int kMaxMatch = 256; -const int kMinMatch = 3; -const int kNumCSymbols = 256 + kMaxMatch + 2 - kMinMatch; - -template <UInt32 m_NumSymbols> -class CHuffmanDecoder:public NCompress::NHuffman::CDecoder<kMaxHuffmanLen, m_NumSymbols> -{ -public: - int Symbol; - template <class TBitDecoder> - UInt32 Decode(TBitDecoder *bitStream) - { - if (Symbol >= 0) - return (UInt32)Symbol; - return DecodeSymbol(bitStream); - } -}; - -class CCoder : - public ICompressCoder, - public CMyUnknownImp -{ - CLzOutWindow m_OutWindowStream; - NBitm::CDecoder<CInBuffer> m_InBitStream; - - int m_NumDictBits; - - CHuffmanDecoder<kNumLevelSymbols> m_LevelHuffman; - CHuffmanDecoder<kNumDistanceSymbols> m_PHuffmanDecoder; - CHuffmanDecoder<kNumCSymbols> m_CHuffmanDecoder; - - void ReleaseStreams() - { - m_OutWindowStream.ReleaseStream(); - m_InBitStream.ReleaseStream(); - } - - class CCoderReleaser - { - CCoder *m_Coder; - public: - bool NeedFlush; - CCoderReleaser(CCoder *coder): m_Coder(coder), NeedFlush(true) {} - ~CCoderReleaser() - { - if (NeedFlush) - m_Coder->m_OutWindowStream.Flush(); - m_Coder->ReleaseStreams(); - } - }; - friend class CCoderReleaser; - - void MakeTable(int nchar, Byte *bitlen, int tablebits, - UInt32 *table, int tablesize); - - UInt32 ReadBits(int numBits); - HRESULT ReadLevelTable(); - HRESULT ReadPTable(int numBits); - HRESULT ReadCTable(); - -public: - - MY_UNKNOWN_IMP - - STDMETHOD(CodeReal)(ISequentialInStream *inStream, - ISequentialOutStream *outStream, const UInt64 *inSize, const UInt64 *outSize, - ICompressProgressInfo *progress); - - STDMETHOD(Code)(ISequentialInStream *inStream, - ISequentialOutStream *outStream, const UInt64 *inSize, const UInt64 *outSize, - ICompressProgressInfo *progress); - - void SetDictionary(int numDictBits) { m_NumDictBits = numDictBits; } - CCoder(): m_NumDictBits(0) {} -}; - -}}} - -#endif |