4.63

CPP/7zip/Compress/ImplodeDecoder.h

@@ -0,0 +1,57 @@
+// ImplodeDecoder.h
+
+#ifndef __COMPRESS_IMPLODE_DECODER_H
+#define __COMPRESS_IMPLODE_DECODER_H
+
+#include "../../Common/MyCom.h"
+
+#include "../ICoder.h"
+
+#include "ImplodeHuffmanDecoder.h"
+#include "LzOutWindow.h"
+
+namespace NCompress {
+namespace NImplode {
+namespace NDecoder {
+
+class CCoder:
+  public ICompressCoder,
+  public ICompressSetDecoderProperties2,
+  public CMyUnknownImp
+{
+  CLzOutWindow m_OutWindowStream;
+  NBitl::CDecoder<CInBuffer> m_InBitStream;
+  
+  NImplode::NHuffman::CDecoder m_LiteralDecoder;
+  NImplode::NHuffman::CDecoder m_LengthDecoder;
+  NImplode::NHuffman::CDecoder m_DistanceDecoder;
+
+  bool m_BigDictionaryOn;
+  bool m_LiteralsOn;
+
+  int m_NumDistanceLowDirectBits;
+  UInt32 m_MinMatchLength;
+
+  bool ReadLevelItems(NImplode::NHuffman::CDecoder &table, Byte *levels, int numLevelItems);
+  bool ReadTables();
+  void DeCodeLevelTable(Byte *newLevels, int numLevels);
+public:
+  CCoder();
+
+  MY_UNKNOWN_IMP1(ICompressSetDecoderProperties2)
+
+  void ReleaseStreams();
+  HRESULT Flush() { return m_OutWindowStream.Flush(); }
+
+  HRESULT 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);
+
+  STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size);
+};
+
+}}}
+
+#endif