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// ImplodeDecoder.h
#ifndef __IMPLODE_DECODER_H
#define __IMPLODE_DECODER_H
#include "../../../Common/MyCom.h"
#include "../../ICoder.h"
#include "../LZ/LZOutWindow.h"
#include "ImplodeHuffmanDecoder.h"
namespace NCompress {
namespace NImplode {
namespace NDecoder {
class CCoder :
public ICompressCoder,
public ICompressSetDecoderProperties2,
public CMyUnknownImp
{
CLZOutWindow m_OutWindowStream;
NStream::NLSBF::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;
void ReadLevelItems(NImplode::NHuffman::CDecoder &table,
Byte *levels, int numLevelItems);
void ReadTables();
void DeCodeLevelTable(Byte *newLevels, int numLevels);
public:
CCoder();
MY_UNKNOWN_IMP1(ICompressSetDecoderProperties2)
void ReleaseStreams();
HRESULT (Flush)() { return m_OutWindowStream.Flush(); }
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);
// ICompressSetDecoderProperties
STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size);
};
}}}
#endif
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