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-rwxr-xr-xCPP/7zip/Compress/LzmaDecoder.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/CPP/7zip/Compress/LzmaDecoder.h b/CPP/7zip/Compress/LzmaDecoder.h
new file mode 100755
index 0000000..801a77b
--- /dev/null
+++ b/CPP/7zip/Compress/LzmaDecoder.h
@@ -0,0 +1,84 @@
+// LzmaDecoder.h
+
+#ifndef __LZMA_DECODER_H
+#define __LZMA_DECODER_H
+
+#include "../../../C/LzmaDec.h"
+
+#include "../../Common/MyCom.h"
+#include "../ICoder.h"
+
+namespace NCompress {
+namespace NLzma {
+
+class CDecoder:
+ public ICompressCoder,
+ public ICompressSetDecoderProperties2,
+ public ICompressSetBufSize,
+ #ifndef NO_READ_FROM_CODER
+ public ICompressSetInStream,
+ public ICompressSetOutStreamSize,
+ public ISequentialInStream,
+ #endif
+ public CMyUnknownImp
+{
+ CMyComPtr<ISequentialInStream> _inStream;
+ Byte *_inBuf;
+ UInt32 _inPos;
+ UInt32 _inSize;
+ CLzmaDec _state;
+ bool _propsWereSet;
+ bool _outSizeDefined;
+ UInt64 _outSize;
+ UInt64 _inSizeProcessed;
+ UInt64 _outSizeProcessed;
+
+ UInt32 _inBufSizeAllocated;
+ UInt32 _inBufSize;
+ UInt32 _outBufSize;
+ SizeT _wrPos;
+
+ HRESULT CreateInputBuffer();
+ HRESULT CodeSpec(ISequentialInStream *inStream, ISequentialOutStream *outStream, ICompressProgressInfo *progress);
+ void SetOutStreamSizeResume(const UInt64 *outSize);
+
+public:
+ MY_QUERYINTERFACE_BEGIN2(ICompressCoder)
+ MY_QUERYINTERFACE_ENTRY(ICompressSetDecoderProperties2)
+ MY_QUERYINTERFACE_ENTRY(ICompressSetBufSize)
+ #ifndef NO_READ_FROM_CODER
+ MY_QUERYINTERFACE_ENTRY(ICompressSetInStream)
+ MY_QUERYINTERFACE_ENTRY(ICompressSetOutStreamSize)
+ MY_QUERYINTERFACE_ENTRY(ISequentialInStream)
+ #endif
+ MY_QUERYINTERFACE_END
+ MY_ADDREF_RELEASE
+
+ STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
+ const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
+ STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size);
+ STDMETHOD(SetOutStreamSize)(const UInt64 *outSize);
+ STDMETHOD(SetInBufSize)(UInt32 streamIndex, UInt32 size);
+ STDMETHOD(SetOutBufSize)(UInt32 streamIndex, UInt32 size);
+
+ #ifndef NO_READ_FROM_CODER
+
+ STDMETHOD(SetInStream)(ISequentialInStream *inStream);
+ STDMETHOD(ReleaseInStream)();
+ STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
+
+ HRESULT CodeResume(ISequentialOutStream *outStream, const UInt64 *outSize, ICompressProgressInfo *progress);
+ HRESULT ReadFromInputStream(void *data, UInt32 size, UInt32 *processedSize);
+ UInt64 GetInputProcessedSize() const { return _inSizeProcessed; }
+
+ #endif
+
+ bool FinishStream;
+
+ CDecoder();
+ virtual ~CDecoder();
+};
+
+}}
+
+#endif