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1 // Lzma/Handler.h
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2
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3 #ifndef __GZIP_HANDLER_H
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4 #define __GZIP_HANDLER_H
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5
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6 #include "Common/MyCom.h"
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7
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8 #include "../IArchive.h"
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9 #include "../../Common/CreateCoder.h"
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10
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11 #include "LzmaIn.h"
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12
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13 namespace NArchive {
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14 namespace NLzma {
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15
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16 // const UInt64 k_LZMA = 0x030101;
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17
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18 class CHandler:
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19 public IInArchive,
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20 PUBLIC_ISetCompressCodecsInfo
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21 public CMyUnknownImp
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22 {
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23 public:
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24 MY_QUERYINTERFACE_BEGIN
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25 MY_QUERYINTERFACE_ENTRY(IInArchive)
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26 QUERY_ENTRY_ISetCompressCodecsInfo
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27 MY_QUERYINTERFACE_END
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28 MY_ADDREF_RELEASE
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29
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30 STDMETHOD(Open)(IInStream *inStream,
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31 const UInt64 *maxCheckStartPosition,
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32 IArchiveOpenCallback *openArchiveCallback);
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33 STDMETHOD(Close)();
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34
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35 STDMETHOD(GetNumberOfItems)(UInt32 *numItems);
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36 STDMETHOD(GetProperty)(UInt32 index, PROPID propID, PROPVARIANT *value);
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37 STDMETHOD(Extract)(const UInt32* indices, UInt32 numItems,
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38 Int32 testMode, IArchiveExtractCallback *extractCallback);
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39
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40 STDMETHOD(GetArchiveProperty)(PROPID propID, PROPVARIANT *value);
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41
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42 STDMETHOD(GetNumberOfProperties)(UInt32 *numProperties);
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43 STDMETHOD(GetPropertyInfo)(UInt32 index,
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44 BSTR *name, PROPID *propID, VARTYPE *varType);
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45
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46 STDMETHOD(GetNumberOfArchiveProperties)(UInt32 *numProperties);
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47 STDMETHOD(GetArchivePropertyInfo)(UInt32 index,
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48 BSTR *name, PROPID *propID, VARTYPE *varType);
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49
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50 UString GetMethodString();
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51 public:
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52 CHandler() { }
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53
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54 private:
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55 CHeader m_StreamInfo;
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56 UInt64 m_StreamStartPosition;
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57 UInt64 m_PackSize;
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58
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59 CMyComPtr<IInStream> m_Stream;
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60
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61 DECL_EXTERNAL_CODECS_VARS
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62
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63 DECL_ISetCompressCodecsInfo
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64
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65 };
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66
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67 }}
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68
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69 #endif
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