4.44 beta

CPP/7zip/Archive/GZip/GZipHandler.h

@@ -0,0 +1,79 @@
+// GZip/Handler.h
+
+#ifndef __GZIP_HANDLER_H
+#define __GZIP_HANDLER_H
+
+#include "Common/MyCom.h"
+
+#include "../IArchive.h"
+
+#include "GZipIn.h"
+#include "GZipUpdate.h"
+
+namespace NArchive {
+namespace NGZip {
+
+class CHandler: 
+  public IInArchive,
+  public IOutArchive,
+  public ISetProperties,
+  public CMyUnknownImp
+{
+public:
+  MY_UNKNOWN_IMP3(
+      IInArchive,
+      IOutArchive,
+      ISetProperties)
+
+  STDMETHOD(Open)(IInStream *inStream, 
+      const UInt64 *maxCheckStartPosition,
+      IArchiveOpenCallback *openArchiveCallback);  
+  STDMETHOD(Close)();  
+  
+  STDMETHOD(GetNumberOfItems)(UInt32 *numItems);  
+  STDMETHOD(GetProperty)(UInt32 index, PROPID propID,  PROPVARIANT *value);
+  STDMETHOD(Extract)(const UInt32* indices, UInt32 numItems, 
+      Int32 testMode, IArchiveExtractCallback *extractCallback);
+
+  STDMETHOD(GetArchiveProperty)(PROPID propID, PROPVARIANT *value);
+
+  STDMETHOD(GetNumberOfProperties)(UInt32 *numProperties);  
+  STDMETHOD(GetPropertyInfo)(UInt32 index,     
+      BSTR *name, PROPID *propID, VARTYPE *varType);
+
+  STDMETHOD(GetNumberOfArchiveProperties)(UInt32 *numProperties);  
+  STDMETHOD(GetArchivePropertyInfo)(UInt32 index,     
+      BSTR *name, PROPID *propID, VARTYPE *varType);
+
+  // IOutArchive
+
+  STDMETHOD(UpdateItems)(ISequentialOutStream *outStream, UInt32 numItems,
+      IArchiveUpdateCallback *updateCallback);
+
+  STDMETHOD(GetFileTimeType)(UInt32 *timeType);  
+
+  // ISetProperties
+  STDMETHOD(SetProperties)(const wchar_t **names, const PROPVARIANT *values, Int32 numProperties);
+
+public:
+  CHandler() { InitMethodProperties(); }
+
+private:
+  NArchive::NGZip::CItem m_Item;
+  UInt64 m_StreamStartPosition;
+  UInt64 m_DataOffset;
+  UInt64 m_PackSize;
+  CMyComPtr<IInStream> m_Stream;
+  CCompressionMethodMode m_Method;
+  UInt32 m_Level;
+
+  void InitMethodProperties()
+  {
+    m_Method.NumMatchFinderCyclesDefined = false;
+    m_Level = m_Method.NumPasses = m_Method.NumFastBytes = m_Method.NumMatchFinderCycles = 0xFFFFFFFF;
+  }
+};
+
+}}
+
+#endif