SaraP
78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
/*++
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Copyright (C) 2019 3MF Consortium
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Abstract:
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NMR_ExportStream.h implements the ExportStream Class.
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This is an abstract base stream class for exporting from various data sources.
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--*/
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#include "Common/Platform/NMR_ExportStream.h"
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#include "Common/NMR_Exception.h"
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#include <vector>
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namespace NMR {
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void CExportStream::close()
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{
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// do nothing
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}
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void CExportStream::copyFrom(_In_ CImportStream * pImportStream, _In_ nfUint64 cbCount, _In_ nfUint32 cbBufferSize)
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{
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if (pImportStream == nullptr)
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throw CNMRException(NMR_ERROR_INVALIDPARAM);
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if (cbBufferSize == 0)
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throw CNMRException(NMR_ERROR_INVALIDBUFFERSIZE);
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if (cbCount == 0)
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return;
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std::vector<nfByte> Buffer;
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Buffer.resize(cbBufferSize);
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nfUint32 cbBytesToCopy;
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while (cbCount > 0) {
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if (cbCount > cbBufferSize)
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cbBytesToCopy = cbBufferSize;
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else
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cbBytesToCopy = (nfUint32)cbCount;
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pImportStream->readIntoBuffer(&Buffer[0], cbBytesToCopy, true);
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writeBuffer(&Buffer[0], cbBytesToCopy);
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cbCount -= cbBytesToCopy;
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}
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close();
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}
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}
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