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/****************************************************************************
* *
* OpenNI 1.x Alpha *
* Copyright (C) 2011 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* OpenNI is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* OpenNI is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with OpenNI. If not, see <http://www.gnu.org/licenses/>. *
* *
****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnXml.h"
#include <XnOpenNI.h>
#include <XnLog.h>
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XnStatus xnXmlLoadDocument(TiXmlDocument& doc, const XnChar* strFileName)
{
XnStatus nRetVal = XN_STATUS_OK;
XnBool bExists = FALSE;
nRetVal = xnOSDoesFileExist(strFileName, &bExists);
XN_IS_STATUS_OK(nRetVal);
if (!bExists)
{
XN_LOG_ERROR_RETURN(XN_STATUS_OS_FILE_NOT_FOUND, XN_MASK_OPEN_NI,
"Failed loading '%s': File does not exist!",
strFileName);
}
if (!doc.LoadFile(strFileName))
{
XN_LOG_ERROR_RETURN(XN_STATUS_CORRUPT_FILE, XN_MASK_OPEN_NI,
"Failed loading '%s': %s [row %d, column %d]",
strFileName, doc.ErrorDesc(), doc.ErrorRow(), doc.ErrorCol());
}
return (XN_STATUS_OK);
}
XnStatus xnXmlGetChildElement(const TiXmlElement* pElem, const XnChar* strName, const TiXmlElement** ppChild)
{
*ppChild = pElem->FirstChildElement(strName);
if (*ppChild == NULL)
{
XN_LOG_WARNING_RETURN(XN_STATUS_CORRUPT_FILE, XN_MASK_OPEN_NI,
"Invalid '%s' xml entry - no '%s' child (line %u, col %u)!",
pElem->Value(), strName, pElem->Row(), pElem->Column());
}
return (XN_STATUS_OK);
}
XnStatus xnXmlReadStringAttribute(const TiXmlElement* pElem, const XnChar* strName, const XnChar** pstrValue)
{
*pstrValue = pElem->Attribute(strName);
if (*pstrValue == NULL)
{
XN_LOG_WARNING_RETURN(XN_STATUS_CORRUPT_FILE, XN_MASK_OPEN_NI,
"Invalid '%s' xml entry - no '%s' attribute (line %u, col %u)!",
pElem->Value(), strName, pElem->Row(), pElem->Column());
}
return (XN_STATUS_OK);
}
XnStatus xnXmlReadBoolAttribute(const TiXmlElement* pElem, const XnChar* strName, XnBool* pbValue)
{
XnStatus nRetVal = XN_STATUS_OK;
const XnChar* strValue;
nRetVal = xnXmlReadStringAttribute(pElem, strName, &strValue);
XN_IS_STATUS_OK(nRetVal);
if (strcmp(strValue, "true") == 0)
{
*pbValue = TRUE;
}
else if (strcmp(strValue, "false") == 0)
{
*pbValue = FALSE;
}
else
{
XN_LOG_WARNING_RETURN(XN_STATUS_CORRUPT_FILE, XN_MASK_OPEN_NI,
"Invalid '%s' xml entry - '%s' attribute value should be 'true' or 'false' (line %u, col %u)!",
pElem->Value(), strName, pElem->Row(), pElem->Column());
}
return (XN_STATUS_OK);
}
XnStatus xnXmlReadIntAttribute(const TiXmlElement* pElem, const XnChar* strName, XnInt* pnValue)
{
XnStatus nRetVal = XN_STATUS_OK;
const XnChar* strValue;
nRetVal = xnXmlReadStringAttribute(pElem, strName, &strValue);
XN_IS_STATUS_OK(nRetVal);
if (sscanf(strValue, "%d", pnValue) == 0)
{
XN_LOG_WARNING_RETURN(XN_STATUS_CORRUPT_FILE, XN_MASK_OPEN_NI,
"Invalid '%s' xml entry - '%s' attribute value should be a number (line %u, col %u)!",
pElem->Value(), strName, pElem->Row(), pElem->Column());
}
return (XN_STATUS_OK);
}
XnStatus xnXmlReadUInt32Attribute(const TiXmlElement* pElem, const XnChar* strName, XnUInt32* pnValue)
{
XnStatus nRetVal = XN_STATUS_OK;
const XnChar* strValue;
nRetVal = xnXmlReadStringAttribute(pElem, strName, &strValue);
XN_IS_STATUS_OK(nRetVal);
if (sscanf(strValue, "%u", pnValue) == 0)
{
XN_LOG_WARNING_RETURN(XN_STATUS_CORRUPT_FILE, XN_MASK_OPEN_NI,
"Invalid '%s' xml entry - '%s' attribute value should be a positive number (line %u, col %u)!",
pElem->Value(), strName, pElem->Row(), pElem->Column());
}
return (XN_STATUS_OK);
}
XnStatus xnXmlReadUInt16Attribute(const TiXmlElement* pElem, const XnChar* strName, XnUInt16* pnValue)
{
XnStatus nRetVal = XN_STATUS_OK;
XnUInt32 nValue;
nRetVal = xnXmlReadUInt32Attribute(pElem, strName, &nValue);
XN_IS_STATUS_OK(nRetVal);
if (nValue > XN_MAX_UINT16)
{
XN_LOG_WARNING_RETURN(XN_STATUS_BAD_PARAM, XN_MASK_OPEN_NI,
"Invalid '%s' xml entry - '%s' attribute value should be unsigned 16-bit number (line %u, col %u)!",
pElem->Value(), strName, pElem->Row(), pElem->Column());
}
*pnValue = (XnUInt16)nValue;
return (XN_STATUS_OK);
}
XnStatus xnXmlReadUInt8Attribute(const TiXmlElement* pElem, const XnChar* strName, XnUInt8* pnValue)
{
XnStatus nRetVal = XN_STATUS_OK;
XnUInt32 nValue;
nRetVal = xnXmlReadUInt32Attribute(pElem, strName, &nValue);
XN_IS_STATUS_OK(nRetVal);
if (nValue > XN_MAX_UINT8)
{
XN_LOG_WARNING_RETURN(XN_STATUS_BAD_PARAM, XN_MASK_OPEN_NI,
"Invalid '%s' xml entry - '%s' attribute value should be unsigned 8-bit number (line %u, col %u)!",
pElem->Value(), strName, pElem->Row(), pElem->Column());
}
*pnValue = (XnUInt8)nValue;
return (XN_STATUS_OK);
}
XnStatus xnXmlReadRealAttribute(const TiXmlElement* pElem, const XnChar* strName, XnDouble* pdValue)
{
XnStatus nRetVal = XN_STATUS_OK;
const XnChar* strValue;
nRetVal = xnXmlReadStringAttribute(pElem, strName, &strValue);
XN_IS_STATUS_OK(nRetVal);
if (sscanf(strValue, "%lf", pdValue) == 0)
{
XN_LOG_WARNING_RETURN(XN_STATUS_CORRUPT_FILE, XN_MASK_OPEN_NI,
"Invalid '%s' xml entry - '%s' attribute value should be a floating point (line %u, col %u)!",
pElem->Value(), strName, pElem->Row(), pElem->Column());
}
return (XN_STATUS_OK);
}
XnStatus xnXmlReadTextAsInt(const TiXmlElement* pElem, XnInt* pnValue)
{
if (sscanf(pElem->GetText(), "%d", pnValue) == 0)
{
XN_LOG_WARNING_RETURN(XN_STATUS_CORRUPT_FILE, XN_MASK_OPEN_NI,
"Invalid '%s' xml entry - text should be a number (line %u, col %u)!",
pElem->Value(), pElem->Row(), pElem->Column());
}
return (XN_STATUS_OK);
}
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