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89 lines
2.2 KiB
C++
Executable File
89 lines
2.2 KiB
C++
Executable File
// GZip/Handler.h
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#ifndef __GZIP_HANDLER_H
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#define __GZIP_HANDLER_H
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#include "Common/MyCom.h"
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#include "../IArchive.h"
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#include "../../Common/CreateCoder.h"
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#include "GZipIn.h"
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#include "GZipUpdate.h"
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namespace NArchive {
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namespace NGZip {
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class CHandler:
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public IInArchive,
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public IOutArchive,
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public ISetProperties,
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PUBLIC_ISetCompressCodecsInfo
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public CMyUnknownImp
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{
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public:
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MY_QUERYINTERFACE_BEGIN2(IInArchive)
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MY_QUERYINTERFACE_ENTRY(IOutArchive)
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MY_QUERYINTERFACE_ENTRY(ISetProperties)
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QUERY_ENTRY_ISetCompressCodecsInfo
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MY_QUERYINTERFACE_END
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MY_ADDREF_RELEASE
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STDMETHOD(Open)(IInStream *inStream,
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const UInt64 *maxCheckStartPosition,
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IArchiveOpenCallback *openArchiveCallback);
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STDMETHOD(Close)();
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STDMETHOD(GetNumberOfItems)(UInt32 *numItems);
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STDMETHOD(GetProperty)(UInt32 index, PROPID propID, PROPVARIANT *value);
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STDMETHOD(Extract)(const UInt32* indices, UInt32 numItems,
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Int32 testMode, IArchiveExtractCallback *extractCallback);
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STDMETHOD(GetArchiveProperty)(PROPID propID, PROPVARIANT *value);
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STDMETHOD(GetNumberOfProperties)(UInt32 *numProperties);
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STDMETHOD(GetPropertyInfo)(UInt32 index,
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BSTR *name, PROPID *propID, VARTYPE *varType);
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STDMETHOD(GetNumberOfArchiveProperties)(UInt32 *numProperties);
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STDMETHOD(GetArchivePropertyInfo)(UInt32 index,
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BSTR *name, PROPID *propID, VARTYPE *varType);
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// IOutArchive
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STDMETHOD(UpdateItems)(ISequentialOutStream *outStream, UInt32 numItems,
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IArchiveUpdateCallback *updateCallback);
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STDMETHOD(GetFileTimeType)(UInt32 *timeType);
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// ISetProperties
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STDMETHOD(SetProperties)(const wchar_t **names, const PROPVARIANT *values, Int32 numProperties);
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DECL_ISetCompressCodecsInfo
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CHandler() { InitMethodProperties(); }
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private:
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NArchive::NGZip::CItem m_Item;
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UInt64 m_StreamStartPosition;
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UInt64 m_DataOffset;
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UInt64 m_PackSize;
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CMyComPtr<IInStream> m_Stream;
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CCompressionMethodMode m_Method;
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UInt32 m_Level;
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DECL_EXTERNAL_CODECS_VARS
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void InitMethodProperties()
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{
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m_Method.NumMatchFinderCyclesDefined = false;
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m_Level = m_Method.NumPasses = m_Method.NumFastBytes =
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m_Method.NumMatchFinderCycles = m_Method.Algo = 0xFFFFFFFF;
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}
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};
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}}
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#endif
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