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68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
// LzfseDecoder.h
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#ifndef __LZFSE_DECODER_H
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#define __LZFSE_DECODER_H
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#include "../../Common/MyBuffer.h"
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#include "../../Common/MyCom.h"
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#include "../ICoder.h"
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#include "../Common/InBuffer.h"
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#include "LzOutWindow.h"
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namespace NCompress {
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namespace NLzfse {
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class CDecoder:
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public ICompressCoder,
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public CMyUnknownImp
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{
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CLzOutWindow m_OutWindowStream;
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CInBuffer m_InStream;
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CByteBuffer _literals;
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CByteBuffer _buffer;
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class CCoderReleaser
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{
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CDecoder *m_Coder;
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public:
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bool NeedFlush;
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CCoderReleaser(CDecoder *coder): m_Coder(coder), NeedFlush(true) {}
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~CCoderReleaser()
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{
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if (NeedFlush)
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m_Coder->m_OutWindowStream.Flush();
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}
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};
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friend class CCoderReleaser;
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HRESULT GetUInt32(UInt32 &val);
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HRESULT DecodeUncompressed(UInt32 unpackSize);
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HRESULT DecodeLzvn(UInt32 unpackSize, UInt32 packSize);
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HRESULT DecodeLzfse(UInt32 unpackSize, Byte version);
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STDMETHOD(CodeReal)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
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const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
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public:
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bool LzvnMode;
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MY_UNKNOWN_IMP
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CDecoder():
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LzvnMode(false)
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{}
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// sizes are checked in Code()
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// UInt64 GetInputProcessedSize() const { return m_InStream.GetProcessedSize(); }
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// UInt64 GetOutputProcessedSize() const { return m_OutWindowStream.GetProcessedSize(); }
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STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream, const UInt64 *inSize,
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const UInt64 *outSize, ICompressProgressInfo *progress);
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};
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}}
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#endif
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