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7zip/CPP/7zip/Archive/7z/7zDecode.cpp  view on Meta::CPAN

    
    {
      CMyComPtr<ICompressSetDecoderProperties2> setDecoderProperties;
      decoder.QueryInterface(IID_ICompressSetDecoderProperties2, &setDecoderProperties);
      if (setDecoderProperties)
      {
        const CByteBuffer &props = coderInfo.Props;
        size_t size = props.GetCapacity();
        if (size > 0xFFFFFFFF)
          return E_NOTIMPL;
        // if (size > 0)
        {
          RINOK(setDecoderProperties->SetDecoderProperties2((const Byte *)props, (UInt32)size));
        }
      }
    }

    #if !defined(_7ZIP_ST) && !defined(_SFX)
    if (mtMode)
    {
      CMyComPtr<ICompressSetCoderMt> setCoderMt;
      decoder.QueryInterface(IID_ICompressSetCoderMt, &setCoderMt);
      if (setCoderMt)
      {
        RINOK(setCoderMt->SetNumberOfThreads(numThreads));
      }
    }
    #endif

    #ifndef _NO_CRYPTO
    {
      CMyComPtr<ICryptoSetPassword> cryptoSetPassword;
      decoder.QueryInterface(IID_ICryptoSetPassword, &cryptoSetPassword);
      if (cryptoSetPassword)
      {
        if (getTextPassword == 0)
          return E_FAIL;
        CMyComBSTR passwordBSTR;
        RINOK(getTextPassword->CryptoGetTextPassword(&passwordBSTR));
        CByteBuffer buffer;
        passwordIsDefined = true;
        const UString password(passwordBSTR);
        const UInt32 sizeInBytes = password.Length() * 2;
        buffer.SetCapacity(sizeInBytes);
        for (int i = 0; i < password.Length(); i++)
        {
          wchar_t c = password[i];
          ((Byte *)buffer)[i * 2] = (Byte)c;
          ((Byte *)buffer)[i * 2 + 1] = (Byte)(c >> 8);
        }
        RINOK(cryptoSetPassword->CryptoSetPassword((const Byte *)buffer, sizeInBytes));
      }
    }
    #endif

    coderIndex++;
    
    UInt32 numInStreams = (UInt32)coderInfo.NumInStreams;
    UInt32 numOutStreams = (UInt32)coderInfo.NumOutStreams;
    CRecordVector<const UInt64 *> packSizesPointers;
    CRecordVector<const UInt64 *> unpackSizesPointers;
    packSizesPointers.Reserve(numInStreams);
    unpackSizesPointers.Reserve(numOutStreams);
    UInt32 j;
    for (j = 0; j < numOutStreams; j++, unpackStreamIndex++)
      unpackSizesPointers.Add(&folderInfo.UnpackSizes[unpackStreamIndex]);
    
    for (j = 0; j < numInStreams; j++, packStreamIndex++)
    {
      int bindPairIndex = folderInfo.FindBindPairForInStream(packStreamIndex);
      if (bindPairIndex >= 0)
        packSizesPointers.Add(
        &folderInfo.UnpackSizes[(UInt32)folderInfo.BindPairs[bindPairIndex].OutIndex]);
      else
      {
        int index = folderInfo.FindPackStreamArrayIndex(packStreamIndex);
        if (index < 0)
          return E_FAIL;
        packSizesPointers.Add(&packSizes[index]);
      }
    }
    
    _mixerCoderCommon->SetCoderInfo(i,
        &packSizesPointers.Front(),
        &unpackSizesPointers.Front());
  }
  UInt32 mainCoder, temp;
  bindInfo.FindOutStream(bindInfo.OutStreams[0], mainCoder, temp);

  if (_multiThread)
    _mixerCoderMTSpec->SetProgressCoderIndex(mainCoder);
  /*
  else
    _mixerCoderSTSpec->SetProgressCoderIndex(mainCoder);;
  */
  
  if (numCoders == 0)
    return 0;
  CRecordVector<ISequentialInStream *> inStreamPointers;
  inStreamPointers.Reserve(inStreams.Size());
  for (i = 0; i < inStreams.Size(); i++)
    inStreamPointers.Add(inStreams[i]);
  ISequentialOutStream *outStreamPointer = outStream;
  return _mixerCoder->Code(&inStreamPointers.Front(), NULL,
    inStreams.Size(), &outStreamPointer, NULL, 1, compressProgress);
}

}}