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C++ COutArchive::WritePostHeader方法代码示例

本文整理汇总了C++中COutArchive::WritePostHeader方法的典型用法代码示例。如果您正苦于以下问题:C++ COutArchive::WritePostHeader方法的具体用法?C++ COutArchive::WritePostHeader怎么用?C++ COutArchive::WritePostHeader使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在COutArchive的用法示例。


在下文中一共展示了COutArchive::WritePostHeader方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: UpdateArchive

HRESULT UpdateArchive(
    DECL_EXTERNAL_CODECS_LOC_VARS
    IInStream * /* inStream */, 
    UInt64 unpackSize,
    ISequentialOutStream *outStream,
    const CItem &newItem,
    const CCompressionMethodMode &compressionMethod,
    int indexInClient,
    IArchiveUpdateCallback *updateCallback)
{
  UInt64 complexity = unpackSize;

  RINOK(updateCallback->SetTotal(complexity));

  CMyComPtr<ICompressCoder> deflateEncoder;
  
  complexity = 0;
  RINOK(updateCallback->SetCompleted(&complexity));

  CMyComPtr<ISequentialInStream> fileInStream;

  RINOK(updateCallback->GetStream(indexInClient, &fileInStream));

  CSequentialInStreamWithCRC *inStreamSpec = new CSequentialInStreamWithCRC;
  CMyComPtr<ISequentialInStream> crcStream(inStreamSpec);
  inStreamSpec->SetStream(fileInStream);
  inStreamSpec->Init();

  CLocalProgress *lps = new CLocalProgress;
  CMyComPtr<ICompressProgressInfo> progress = lps;
  lps->Init(updateCallback, true);
  
  COutArchive outArchive;
  outArchive.Create(outStream);

  CItem item = newItem;
  item.CompressionMethod = NFileHeader::NCompressionMethod::kDeflate;
  item.ExtraFlags = 0;
  item.HostOS = kHostOS;

  RINOK(outArchive.WriteHeader(item));

  {
    RINOK(CreateCoder(
        EXTERNAL_CODECS_LOC_VARS
        kMethodId_Deflate, deflateEncoder, true));
    if (!deflateEncoder)
      return E_NOTIMPL;

    NWindows::NCOM::CPropVariant properties[] = 
    { 
      compressionMethod.Algo, 
      compressionMethod.NumPasses, 
      compressionMethod.NumFastBytes,
      compressionMethod.NumMatchFinderCycles
    };
    PROPID propIDs[] = 
    { 
      NCoderPropID::kAlgorithm,
      NCoderPropID::kNumPasses, 
      NCoderPropID::kNumFastBytes,
      NCoderPropID::kMatchFinderCycles
    };
    int numProps = sizeof(propIDs) / sizeof(propIDs[0]);
    if (!compressionMethod.NumMatchFinderCyclesDefined)
      numProps--;
    CMyComPtr<ICompressSetCoderProperties> setCoderProperties;
    RINOK(deflateEncoder.QueryInterface(IID_ICompressSetCoderProperties, &setCoderProperties));
    RINOK(setCoderProperties->SetCoderProperties(propIDs, properties, numProps));
  }
  RINOK(deflateEncoder->Code(crcStream, outStream, NULL, NULL, progress));

  item.FileCRC = inStreamSpec->GetCRC();
  item.UnPackSize32 = (UInt32)inStreamSpec->GetSize();
  RINOK(outArchive.WritePostHeader(item));
  return updateCallback->SetOperationResult(NArchive::NUpdate::NOperationResult::kOK);
}
开发者ID:Ando02,项目名称:wubiuefi,代码行数:77,代码来源:GZipUpdate.cpp


注:本文中的COutArchive::WritePostHeader方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。