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1 // LzmaDecoder.h
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2
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3 #ifndef __LZMA_DECODER_H
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4 #define __LZMA_DECODER_H
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5
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6 extern "C"
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7 {
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8 #include "../../../C/LzmaDec.h"
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9 }
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10
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11 #include "../../Common/MyCom.h"
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12 #include "../ICoder.h"
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13
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14 namespace NCompress {
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15 namespace NLzma {
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16
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17 class CDecoder:
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18 public ICompressCoder,
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19 public ICompressSetDecoderProperties2,
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20 public ICompressGetInStreamProcessedSize,
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21 #ifndef NO_READ_FROM_CODER
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22 public ICompressSetInStream,
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23 public ICompressSetOutStreamSize,
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24 public ISequentialInStream,
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25 #endif
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26 public CMyUnknownImp
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27 {
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28 CMyComPtr<ISequentialInStream> _inStream;
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29 Byte *_inBuf;
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30 UInt32 _inPos;
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31 UInt32 _inSize;
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32 CLzmaDec _state;
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33 bool _outSizeDefined;
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34 UInt64 _outSize;
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35 UInt64 _inSizeProcessed;
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36 UInt64 _outSizeProcessed;
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37 public:
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38
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39 #ifndef NO_READ_FROM_CODER
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40 MY_UNKNOWN_IMP5(
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41 ICompressSetDecoderProperties2,
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42 ICompressGetInStreamProcessedSize,
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43 ICompressSetInStream,
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44 ICompressSetOutStreamSize,
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45 ISequentialInStream)
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46 #else
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47 MY_UNKNOWN_IMP2(
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48 ICompressSetDecoderProperties2,
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49 ICompressGetInStreamProcessedSize)
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50 #endif
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51
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52 STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
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53 const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
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54 STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size);
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55 STDMETHOD(GetInStreamProcessedSize)(UInt64 *value);
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56 STDMETHOD(SetInStream)(ISequentialInStream *inStream);
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57 STDMETHOD(ReleaseInStream)();
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58 STDMETHOD(SetOutStreamSize)(const UInt64 *outSize);
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59
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60 #ifndef NO_READ_FROM_CODER
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61 STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
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62 #endif
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63
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64 bool FinishStream;
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65
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66 CDecoder();
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67 virtual ~CDecoder();
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68
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69 };
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70
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71 }}
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72
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73 #endif
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