STDMETHODIMP CDecoder::Code(ISequentialInStream *inStream, ISequentialOutStream *outStream,
const UInt64 * /* inSize */, const UInt64 *outSize, ICompressProgressInfo *progress)
{
if (!_outBuf)
{
_outBuf = (Byte *)::MidAlloc(kBufSize);
if (!_outBuf)
return E_OUTOFMEMORY;
}
_inStream.Stream = inStream;
SetOutStreamSize(outSize);
do
{
const UInt64 startPos = _processedSize;
HRESULT res = CodeSpec(_outBuf, kBufSize);
size_t processed = (size_t)(_processedSize - startPos);
RINOK(WriteStream(outStream, _outBuf, processed));
RINOK(res);
if (_status == kStatus_Finished)
break;
if (progress)
{
UInt64 inSize = _inStream.GetProcessed();
RINOK(progress->SetRatioInfo(&inSize, &_processedSize));
}
}
while (!_outSizeDefined || _processedSize < _outSize);
return S_OK;
}
STDMETHODIMP CDecoder::Code(ISequentialInStream *inStream, ISequentialOutStream *outStream,
const UInt64 * /* inSize */, const UInt64 *outSize, ICompressProgressInfo *progress)
{
if (_inBuf == 0)
return E_INVALIDARG;
SetOutStreamSize(outSize);
return CodeSpec(inStream, outStream, progress);
}
STDMETHODIMP CDecoder::Read(void *data, UInt32 size, UInt32 *processedSize)
{
const UInt64 startPos = _processedSize;
HRESULT res = CodeSpec((Byte *)data, size);
if (processedSize)
*processedSize = (UInt32)(_processedSize - startPos);
return res;
}
STDMETHODIMP CCoder::Read(void *data, UInt32 size, UInt32 *processedSize)
{
HRESULT res;
DEFLATE_TRY_BEGIN
if (processedSize)
*processedSize = 0;
const UInt64 startPos = m_OutWindowStream.GetProcessedSize();
m_OutWindowStream.SetMemStream((Byte *)data);
res = CodeSpec(size, false);
if (res == S_OK)
{
res = Flush();
if (processedSize)
*processedSize = (UInt32)(m_OutWindowStream.GetProcessedSize() - startPos);
}
DEFLATE_TRY_END(res)
m_OutWindowStream.SetMemStream(NULL);
return res;
}
HRESULT CDecoder::CodeResume(ISequentialOutStream *outStream, const UInt64 *outSize, ICompressProgressInfo *progress)
{
SetOutStreamSizeResume(outSize);
return CodeSpec(_inStream, outStream, progress);
}
STDMETHODIMP CDecoder::SetOutStreamSize(const UInt64 *outSize)
{
_outSizeDefined = (outSize != NULL);
if (_outSizeDefined)
_outSize = *outSize;
_processedSize = 0;
_remainLen = kLenIdNeedInit;
_outStream.Init();
return S_OK;
}
#ifndef NO_READ_FROM_CODER
STDMETHODIMP CDecoder::Read(void *data, UInt32 size, UInt32 *processedSize)
{
PPMD_TRY_BEGIN
if (processedSize)
*processedSize = 0;
const UInt64 startPos = _processedSize;
RINOK(CodeSpec(size, (Byte *)data));
if (processedSize)
*processedSize = (UInt32)(_processedSize - startPos);
return Flush();
PPMD_TRY_END
}
#endif
}}