SaraP
69 lines
2.5 KiB
C++
69 lines
2.5 KiB
C++
/*++
|
|
|
|
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_Memory.h defines the CImportStream_Memory Class.
|
|
This is an abstract platform independent class for keeping data in a memory stream.
|
|
|
|
--*/
|
|
|
|
#ifndef __NMR_IMPORTSTREAM_MEMORY
|
|
#define __NMR_IMPORTSTREAM_MEMORY
|
|
|
|
#include "Common/Platform/NMR_ImportStream.h"
|
|
#include "Common/NMR_Types.h"
|
|
#include "Common/NMR_Local.h"
|
|
|
|
#define NMR_IMPORTSTREAM_READCHUNKSIZE (1024*1024)
|
|
|
|
#define NMR_IMPORTSTREAM_MAXMEMSTREAMSIZE (1024ULL*1024ULL*1024ULL*1024ULL)
|
|
|
|
namespace NMR {
|
|
|
|
class CImportStream_Memory : public CImportStream {
|
|
protected:
|
|
nfUint64 m_cbSize;
|
|
nfUint64 m_nPosition;
|
|
|
|
virtual const nfByte * getAt(nfUint64 nPosition) = 0;
|
|
public:
|
|
virtual ~CImportStream_Memory();
|
|
|
|
virtual nfBool seekPosition(_In_ nfUint64 nPosition, _In_ nfBool bHasToSucceed);
|
|
virtual nfBool seekForward(_In_ nfUint64 cbBytes, _In_ nfBool bHasToSucceed);
|
|
virtual nfBool seekFromEnd(_In_ nfUint64 cbBytes, _In_ nfBool bHasToSucceed);
|
|
virtual nfUint64 getPosition();
|
|
virtual nfUint64 readIntoBuffer(_In_ nfByte * pBuffer, _In_ nfUint64 cbTotalBytesToRead, nfBool bNeedsToReadAll);
|
|
virtual nfUint64 retrieveSize();
|
|
virtual void writeToFile(_In_ const nfWChar * pwszFileName);
|
|
virtual PImportStream copyToMemory() = 0;
|
|
};
|
|
|
|
}
|
|
|
|
#endif // __NMR_IMPORTSTREAM_MEMORY
|