lib3mf :

- primo commit.
2021-09-07 16:50:23 +02:00
parent a5a65b4c8d
commit f8c998f6ff
633 changed files with 108631 additions and 0 deletions
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+/*++
+
+Copyright (C) 2019 3MF Consortium
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+this list of conditions and the following disclaimer in the documentation
+and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+Abstract:
+
+NMR_ImportStream_ZIP.cpp implements the CImportStream_ZIP Class.
+This is a stream class for importing from a libZIP object.
+
+--*/
+
+#include "Common/Platform/NMR_ImportStream_ZIP.h"
+#include "Common/Platform/NMR_ImportStream_Unique_Memory.h"
+#include "Common/NMR_Exception.h"
+#include "Common/NMR_Exception_Windows.h"
+#include <math.h>
+#include <vector>
+
+namespace NMR {
+
+	CImportStream_ZIP::CImportStream_ZIP(_In_ zip_file_t * pFile, _In_ nfUint64 nSize)
+	{
+		if (pFile == nullptr)
+			throw CNMRException(NMR_ERROR_INVALIDPARAM);
+
+		m_pFile = pFile;
+		m_nSize = nSize;
+	}
+
+	CImportStream_ZIP::~CImportStream_ZIP()
+	{
+		if (m_pFile != nullptr) {
+			zip_fclose(m_pFile);
+		}
+		m_pFile = nullptr;
+	}
+
+	nfBool CImportStream_ZIP::seekPosition(_In_ nfUint64 position, _In_ nfBool bHasToSucceed)
+	{
+		throw CNMRException(NMR_ERROR_COULDNOTSEEKINZIP);
+	}
+
+	nfBool CImportStream_ZIP::seekForward(_In_ nfUint64 bytes, _In_ nfBool bHasToSucceed)
+	{
+		throw CNMRException(NMR_ERROR_COULDNOTSEEKINZIP);
+	}
+
+	nfBool CImportStream_ZIP::seekFromEnd(_In_ nfUint64 bytes, _In_ nfBool bHasToSucceed)
+	{
+		throw CNMRException(NMR_ERROR_COULDNOTSEEKINZIP);
+	}
+
+	nfUint64 CImportStream_ZIP::getPosition() {
+		throw CNMRException(NMR_ERROR_COULDNOTSEEKINZIP);
+	}
+
+	nfUint64 CImportStream_ZIP::readIntoBuffer(_In_ nfByte * pBuffer, _In_ nfUint64 cbTotalBytesToRead, nfBool bNeedsToReadAll)
+	{
+		nfUint64 cbBytesLeft = cbTotalBytesToRead;
+		nfUint64 cbBytesRead = 0;
+
+		_In_ nfByte * pData = pBuffer;
+		while (cbBytesLeft > 0) {
+			nfUint32 cbBytesToRead;
+			if (cbBytesLeft > IMPORTSTREAM_ZIP_CHUNKSIZE)
+				cbBytesToRead = IMPORTSTREAM_ZIP_CHUNKSIZE;
+			else
+				cbBytesToRead = (nfUint32)cbBytesLeft;
+			cbBytesLeft -= cbBytesToRead;
+
+			nfInt64 nfSize = zip_fread(m_pFile, pData, cbBytesToRead);
+			if (nfSize < 0)
+				throw CNMRException(NMR_ERROR_COULDNOTREADSTREAM);
+			cbBytesRead += nfSize;
+
+			if (nfSize != (nfInt64)cbBytesToRead)
+				break;
+
+            pData += nfSize;
+
+
+		}
+
+
+		if ((nfUint64)cbBytesRead != cbTotalBytesToRead) {
+			if (bNeedsToReadAll)
+				throw CNMRException(NMR_ERROR_COULDNOTREADFULLDATA);
+		}
+
+		return (nfUint64)cbBytesRead;
+	}
+
+	nfUint64 CImportStream_ZIP::retrieveSize()
+	{
+		return m_nSize;
+	}
+
+	void CImportStream_ZIP::writeToFile(_In_ const nfWChar * pwszFileName)
+	{
+		throw CNMRException(NMR_ERROR_NOTIMPLEMENTED);
+	}
+
+	PImportStream CImportStream_ZIP::copyToMemory()
+	{
+		nfUint64 cbStreamSize = retrieveSize();
+
+		return std::make_shared<CImportStream_Unique_Memory>(this, cbStreamSize, false);
+	}
+
+
+}