XBOX::VError DecompressStream (XBOX::VStream& ioStream)
{
XBOX::VError error = VE_COMP_LIBRARY_NOT_FOUND;
if (XBOX::VComponentManager::IsComponentAvailable ((XBOX::CType)CZipComponent::Component_Type))
{
CZipComponent *zipComponent = (CZipComponent *)VComponentManager::RetainComponent ((CType)CZipComponent::Component_Type);
if (zipComponent)
{
XBOX::VPtrStream decompressedStream;
if ((XBOX::VE_OK == (error = ioStream.OpenReading())) && !decompressedStream.OpenWriting())
{
error = zipComponent->ExpandStream (&ioStream, &decompressedStream);
ioStream.CloseReading();
decompressedStream.CloseWriting();
if ((XBOX::VE_OK == error) && (!decompressedStream.IsEmpty()))
{
if (XBOX::VE_OK == (error = ioStream.OpenWriting()))
{
ioStream.SetSize (0);
ioStream.PutData (decompressedStream.GetDataPtr(), decompressedStream.GetDataSize());
error = ioStream.CloseWriting();
}
}
}
zipComponent->Release();
}
}
return error;
}
XBOX::VError CompressStream (XBOX::VStream& ioStream, HTTPCompressionMethod inMethod)
{
if ((inMethod == COMPRESSION_NONE) || (inMethod > COMPRESSION_LAST_SUPPORTED_METHOD))
return VE_INVALID_PARAMETER;
XBOX::VError error = VE_COMP_LIBRARY_NOT_FOUND;
if (VHTTPServer::GetZipComponentAvailable())
{
CZipComponent *zipComponent = VHTTPServer::RetainZipComponent();
if (NULL != zipComponent)
{
XBOX::VPtrStream compressedStream;
EZipCompressionLevel compressionLevel = ((inMethod == COMPRESSION_GZIP) || (inMethod == COMPRESSION_X_GZIP)) ? eCompressionLevel_GZip_BestSpeed : eCompressionLevel_BestSpeed;
if ((XBOX::VE_OK == (error = ioStream.OpenReading())) && !compressedStream.OpenWriting())
{
error = zipComponent->CompressStream (&ioStream, compressionLevel, &compressedStream);
ioStream.CloseReading();
compressedStream.CloseWriting();
if ((XBOX::VE_OK == error) && (!compressedStream.IsEmpty()))
{
if (XBOX::VE_OK == (error = ioStream.OpenWriting()))
{
ioStream.SetSize (0);
ioStream.PutData (compressedStream.GetDataPtr(), compressedStream.GetDataSize());
ioStream.CloseWriting();
}
}
}
XBOX::QuickReleaseRefCountable (zipComponent);
}
}
return error;
}