Mercurial > vba-linux

     1 // GZip/Handler.h

     2 

     3 #ifndef __GZIP_HANDLER_H

     4 #define __GZIP_HANDLER_H

     5 

     6 #include "Common/MyCom.h"

     7 

     8 #include "../IArchive.h"

     9 

    10 #include "../../Common/CreateCoder.h"

    11 

    12 #include "GZipIn.h"

    13 #include "GZipUpdate.h"

    14 

    15 namespace NArchive {

    16 namespace NGZip {

    17 

    18 class CHandler:

    19   public IInArchive,

    20   public IOutArchive,

    21   public ISetProperties,

    22   PUBLIC_ISetCompressCodecsInfo

    23   public CMyUnknownImp

    24 {

    25 public:

    26   MY_QUERYINTERFACE_BEGIN2(IInArchive)

    27   MY_QUERYINTERFACE_ENTRY(IOutArchive)

    28   MY_QUERYINTERFACE_ENTRY(ISetProperties)

    29   QUERY_ENTRY_ISetCompressCodecsInfo

    30   MY_QUERYINTERFACE_END

    31   MY_ADDREF_RELEASE

    32 

    33   INTERFACE_IInArchive(;)

    34 #ifndef EXTRACT_ONLY

    35   INTERFACE_IOutArchive(;)

    36 

    37   STDMETHOD(SetProperties)(const wchar_t **names, const PROPVARIANT *values, Int32 numProperties);

    38 #endif

    39 

    40   DECL_ISetCompressCodecsInfo

    41 

    42   CHandler() { InitMethodProperties(); }

    43 

    44 private:

    45   NArchive::NGZip::CItem m_Item;

    46   UInt64 m_StreamStartPosition;

    47   UInt64 m_DataOffset;

    48   UInt64 m_PackSize;

    49   CMyComPtr<IInStream> m_Stream;

    50   CCompressionMethodMode m_Method;

    51   UInt32 m_Level;

    52 

    53   DECL_EXTERNAL_CODECS_VARS

    54 

    55   void InitMethodProperties()

    56   {

    57     m_Method.NumMatchFinderCyclesDefined = false;

    58     m_Level = m_Method.NumPasses = m_Method.NumFastBytes =

    59         m_Method.NumMatchFinderCycles = m_Method.Algo = 0xFFFFFFFF;

    60   }

    61 };

    62 

    63 }}

    64 

    65 #endif
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 03 Mar 2012 10:31:27 -0600
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