1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/win32/7zip/7z/CPP/7zip/Compress/CopyCoder.cpp	Sat Mar 03 10:31:27 2012 -0600
     1.3 @@ -0,0 +1,62 @@
     1.4 +// Compress/CopyCoder.cpp
     1.5 +
     1.6 +#include "StdAfx.h"
     1.7 +
     1.8 +extern "C"
     1.9 +{
    1.10 +#include "../../../C/Alloc.h"
    1.11 +}
    1.12 +
    1.13 +#include "../Common/StreamUtils.h"
    1.14 +
    1.15 +#include "CopyCoder.h"
    1.16 +
    1.17 +namespace NCompress {
    1.18 +
    1.19 +static const UInt32 kBufferSize = 1 << 17;
    1.20 +
    1.21 +CCopyCoder::~CCopyCoder()
    1.22 +{
    1.23 +  ::MidFree(_buffer);
    1.24 +}
    1.25 +
    1.26 +STDMETHODIMP CCopyCoder::Code(ISequentialInStream *inStream,
    1.27 +    ISequentialOutStream *outStream,
    1.28 +    const UInt64 * /* inSize */, const UInt64 *outSize,
    1.29 +    ICompressProgressInfo *progress)
    1.30 +{
    1.31 +  if (_buffer == 0)
    1.32 +  {
    1.33 +    _buffer = (Byte *)::MidAlloc(kBufferSize);
    1.34 +    if (_buffer == 0)
    1.35 +      return E_OUTOFMEMORY;
    1.36 +  }
    1.37 +
    1.38 +  TotalSize = 0;
    1.39 +  for (;;)
    1.40 +  {
    1.41 +    UInt32 realProcessedSize;
    1.42 +    UInt32 size = kBufferSize;
    1.43 +    if (outSize != 0)
    1.44 +      if (size > *outSize - TotalSize)
    1.45 +        size = (UInt32)(*outSize - TotalSize);
    1.46 +    RINOK(inStream->Read(_buffer, size, &realProcessedSize));
    1.47 +    if (realProcessedSize == 0)
    1.48 +      break;
    1.49 +    RINOK(WriteStream(outStream, _buffer, realProcessedSize));
    1.50 +    TotalSize += realProcessedSize;
    1.51 +    if (progress != NULL)
    1.52 +    {
    1.53 +      RINOK(progress->SetRatioInfo(&TotalSize, &TotalSize));
    1.54 +    }
    1.55 +  }
    1.56 +  return S_OK;
    1.57 +}
    1.58 +
    1.59 +STDMETHODIMP CCopyCoder::GetInStreamProcessedSize(UInt64 *value)
    1.60 +{
    1.61 +  *value = TotalSize;
    1.62 +  return S_OK;
    1.63 +}
    1.64 +
    1.65 +}