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/*****************************************************************************
* *
* OpenNI 2.x Alpha *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include <XnIOFileStream.h>
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XnIOFileStream::XnIOFileStream(const XnChar* pcsFileName, XnUInt32 nFlags) :
m_pcsFileName(pcsFileName), m_nFlags(nFlags)
{
}
XnStatus XnIOFileStream::Init()
{
XnStatus nRetVal = XN_STATUS_OK;
nRetVal = xnOSOpenFile(m_pcsFileName, m_nFlags, &m_hFile);
XN_IS_STATUS_OK(nRetVal);
return (XN_STATUS_OK);
}
XnStatus XnIOFileStream::Free()
{
return xnOSCloseFile(&m_hFile);
}
XnStatus XnIOFileStream::WriteData(const XnUChar *pData, XnUInt32 nDataSize)
{
return xnOSWriteFile(m_hFile, pData, nDataSize);
}
XnStatus XnIOFileStream::ReadData(XnUChar *pData, XnUInt32 nDataSize)
{
XnStatus nRetVal = XN_STATUS_OK;
XnUInt32 nReadSize = nDataSize;
nRetVal = xnOSReadFile(m_hFile, pData, &nReadSize);
XN_IS_STATUS_OK(nRetVal);
if (nReadSize != nDataSize)
{
return XN_STATUS_OS_FILE_READ_FAILED;
}
return (XN_STATUS_OK);
}
XnStatus XnIOFileStream::Tell(XnUInt64* pnOffset)
{
return xnOSTellFile64(m_hFile, pnOffset);
}
XnStatus XnIOFileStream::Seek(XnUInt64 nOffset)
{
return xnOSSeekFile64(m_hFile, XN_OS_SEEK_SET, nOffset);
}
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