XnStatus xnConfigureRecorderDestination(XnNodeHandle hNode, const TiXmlElement* pOpcode)
{
XnStatus nRetVal = XN_STATUS_OK;
XnRecordMedium medium = XN_RECORD_MEDIUM_FILE; // default
if (pOpcode->Attribute("medium") != NULL)
{
const XnChar* strMedium;
nRetVal = xnXmlReadStringAttribute(pOpcode, "medium", &strMedium);
XN_IS_STATUS_OK(nRetVal);
if (strcmp(strMedium, "File") == 0)
{
medium = XN_RECORD_MEDIUM_FILE;
}
else
{
XN_LOG_ERROR_RETURN(XN_STATUS_CORRUPT_FILE, XN_MASK_OPEN_NI, "Unknown recording medium: '%s'", strMedium);
}
}
const XnChar* strName;
nRetVal = xnXmlReadStringAttribute(pOpcode, "name", &strName);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnSetRecorderDestination(hNode, XN_RECORD_MEDIUM_FILE, strName);
XN_IS_STATUS_OK(nRetVal);
return (XN_STATUS_OK);
}
XnStatus xnConfigureAddNodeToRecording(XnNodeHandle hNode, const TiXmlElement* pOpcode)
{
XnStatus nRetVal = XN_STATUS_OK;
const XnChar* strName;
nRetVal = xnXmlReadStringAttribute(pOpcode, "name", &strName);
XN_IS_STATUS_OK(nRetVal);
const XnChar* strCodec;
nRetVal = xnXmlReadStringAttribute(pOpcode, "codec", &strCodec);
XN_IS_STATUS_OK(nRetVal);
// find node
XnContext* pContext = hNode->pContext;
XnNodeHandle hOther = NULL;
nRetVal = xnGetRefNodeHandleByName(pContext, strName, &hOther);
XN_IS_STATUS_OK(nRetVal);
// find codec
if (strlen(strCodec) != sizeof(XnCodecID))
{
xnProductionNodeRelease(hOther);
XN_LOG_ERROR_RETURN(XN_STATUS_CORRUPT_FILE, XN_MASK_OPEN_NI, "'%s' is not a valid codec ID!", strCodec);
}
XnCodecID codecID;
xnOSMemCopy(&codecID, strCodec, sizeof(codecID));
nRetVal = xnAddNodeToRecording(hNode, hOther, codecID);
xnProductionNodeRelease(hOther);
XN_IS_STATUS_OK(nRetVal);
return (XN_STATUS_OK);
}
XnStatus xnConfigureProperty(XnNodeHandle hNode, const TiXmlElement* pOpcode)
{
XnStatus nRetVal = XN_STATUS_OK;
const XnChar* strName;
nRetVal = xnXmlReadStringAttribute(pOpcode, "name", &strName);
XN_IS_STATUS_OK(nRetVal);
const XnChar* strType;
nRetVal = xnXmlReadStringAttribute(pOpcode, "type", &strType);
XN_IS_STATUS_OK(nRetVal);
if (strcmp(strType, "int") == 0)
{
XnInt nValue;
nRetVal = xnXmlReadIntAttribute(pOpcode, "value", &nValue);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnSetIntProperty(hNode, strName, nValue);
if (nRetVal != XN_STATUS_OK)
{
xnLogError(XN_MASK_OPEN_NI, "Failed to set property '%s' from xml: %s", strName, xnGetStatusString(nRetVal));
return nRetVal;
}
}
else if (strcmp(strType, "real") == 0)
{
XnDouble dValue;
nRetVal = xnXmlReadRealAttribute(pOpcode, "value", &dValue);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnSetRealProperty(hNode, strName, dValue);
if (nRetVal != XN_STATUS_OK)
{
xnLogError(XN_MASK_OPEN_NI, "Failed to set property '%s' from xml: %s", strName, xnGetStatusString(nRetVal));
return nRetVal;
}
}
else if (strcmp(strType, "string") == 0)
{
const XnChar* strValue;
nRetVal = xnXmlReadStringAttribute(pOpcode, "value", &strValue);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnSetStringProperty(hNode, strName, strValue);
if (nRetVal != XN_STATUS_OK)
{
xnLogError(XN_MASK_OPEN_NI, "Failed to set property '%s' from xml: %s", strName, xnGetStatusString(nRetVal));
return nRetVal;
}
}
else
{
XN_LOG_ERROR_RETURN(XN_STATUS_CORRUPT_FILE, XN_MASK_OPEN_NI, "Invalid property type: %s", strType);
}
return (XN_STATUS_OK);
}
XnStatus FromElement(const TiXmlElement* pElement)
{
XnStatus nRetVal = XN_STATUS_OK;
const XnChar* strVendor;
nRetVal = xnXmlReadStringAttribute(pElement, XN_XML_LICENSE_VENDOR, &strVendor);
XN_IS_STATUS_OK(nRetVal);
const XnChar* strKey;
nRetVal = xnXmlReadStringAttribute(pElement, XN_XML_LICENSE_KEY, &strKey);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnOSStrNCopy(this->strVendor, strVendor, strlen(strVendor) + 1, sizeof(this->strVendor));
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnOSStrNCopy(this->strKey, strKey, strlen(strKey) + 1, sizeof(this->strKey));
XN_IS_STATUS_OK(nRetVal);
return (XN_STATUS_OK);
}
XnStatus xnConfigureCreateNodes(XnContext* pContext, const TiXmlElement* pRootElem, XnNodeInfoList* pCreatedNodes, XnEnumerationErrors* pErrors)
{
XnStatus nRetVal = XN_STATUS_OK;
const TiXmlElement* pProudctionNodes = pRootElem->FirstChildElement("ProductionNodes");
if (pProudctionNodes == NULL)
{
return (XN_STATUS_OK);
}
// global mirror
const TiXmlElement* pGlobalMirror = pProudctionNodes->FirstChildElement("GlobalMirror");
if (pGlobalMirror != NULL)
{
XnBool bOn;
nRetVal = xnXmlReadBoolAttribute(pGlobalMirror, "on", &bOn);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnSetGlobalMirror(pContext, bOn);
XN_IS_STATUS_OK(nRetVal);
}
// file recordings
const TiXmlElement* pRecording = pProudctionNodes->FirstChildElement("Recording");
if (pRecording != NULL)
{
const XnChar* strFileName;
nRetVal = xnXmlReadStringAttribute(pRecording, "file", &strFileName);
XN_IS_STATUS_OK(nRetVal);
xnLogVerbose(XN_MASK_OPEN_NI, "Opening file recording '%s'...", strFileName);
XnNodeHandle hPlayer;
nRetVal = xnContextOpenFileRecordingEx(pContext, strFileName, &hPlayer);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnNodeInfoListAddNode(pCreatedNodes, hPlayer->pNodeInfo);
if (nRetVal != XN_STATUS_OK)
{
xnProductionNodeRelease(hPlayer);
return (nRetVal);
}
XnDouble dSpeed = 1.0;
if (NULL != pRecording->Attribute("playbackSpeed", &dSpeed))
{
nRetVal = xnSetPlaybackSpeed(hPlayer, dSpeed);
XN_IS_STATUS_OK(nRetVal);
}
const XnChar* REPEAT = "repeat";
if (NULL != pRecording->Attribute(REPEAT))
{
XnBool bRepeat;
nRetVal = xnXmlReadBoolAttribute(pRecording, REPEAT, &bRepeat);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnSetPlayerRepeat(hPlayer, bRepeat);
XN_IS_STATUS_OK(nRetVal);
}
}
const XnChar* strNodeTagName = "Node";
const XnChar* strStartGeneratingAttr = "startGenerating";
XnBool bStartGeneratingAll = TRUE;
if (NULL != pProudctionNodes->Attribute(strStartGeneratingAttr))
{
nRetVal = xnXmlReadBoolAttribute(pProudctionNodes, strStartGeneratingAttr, &bStartGeneratingAll);
XN_IS_STATUS_OK(nRetVal);
}
// new nodes
const TiXmlElement* pNode = pProudctionNodes->FirstChildElement(strNodeTagName);
while (pNode != NULL)
{
// get type
const XnChar* strType;
nRetVal = xnXmlReadStringAttribute(pNode, "type", &strType);
XN_IS_STATUS_OK(nRetVal);
// check stopOnError status
XnBool bStopOnError = TRUE;
if (NULL != pNode->Attribute("stopOnError"))
{
nRetVal = xnXmlReadBoolAttribute(pNode, "stopOnError", &bStopOnError);
XN_IS_STATUS_OK(nRetVal);
}
xnLogVerbose(XN_MASK_OPEN_NI, "Requested to create a node of type %s%s...", strType, bStopOnError ? "" : " (StopOnError=FALSE)");
XnProductionNodeType Type;
nRetVal = xnProductionNodeTypeFromString(strType, &Type);
XN_IS_STATUS_OK(nRetVal);
// check if there is a query
XnNodeQuery* pQuery = NULL;
const TiXmlElement* pQueryElem = pNode->FirstChildElement("Query");
if (pQueryElem != NULL)
{
nRetVal = xnNodeQueryAllocate(&pQuery);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnXmlReadQuery(pQueryElem, pQuery);
XN_IS_STATUS_OK(nRetVal);
}
// enumerate
XnNodeInfoList* pTrees;
nRetVal = xnEnumerateProductionTrees(pContext, Type, pQuery, &pTrees, pErrors);
if (nRetVal == XN_STATUS_NO_NODE_PRESENT && !bStopOnError)
{
// go to next one
pNode = pNode->NextSiblingElement(strNodeTagName);
continue;
}
XN_IS_STATUS_OK(nRetVal);
if (pQuery != NULL)
{
xnNodeQueryFree(pQuery);
pQuery = NULL;
}
// choose first one
XnNodeInfoListIterator itChosen = xnNodeInfoListGetFirst(pTrees);
XnNodeInfo* pChosenInfo = xnNodeInfoListGetCurrent(itChosen);
// check if a name was requested
if (NULL != pNode->Attribute("name"))
{
const XnChar* strName = NULL;
nRetVal = xnXmlReadStringAttribute(pNode, "name", &strName);
if (nRetVal != XN_STATUS_OK)
{
xnNodeInfoListFree(pTrees);
return (nRetVal);
}
nRetVal = xnNodeInfoSetInstanceName(pChosenInfo, strName);
if (nRetVal != XN_STATUS_OK)
{
xnNodeInfoListFree(pTrees);
return (nRetVal);
}
}
// create it
XnNodeHandle hNode;
nRetVal = xnCreateProductionTree(pContext, pChosenInfo, &hNode);
if (nRetVal != XN_STATUS_OK)
{
xnNodeInfoListFree(pTrees);
return (nRetVal);
}
// free the list
xnNodeInfoListFree(pTrees);
// add it to the list of created nodes
nRetVal = xnNodeInfoListAddNode(pCreatedNodes, pChosenInfo);
if (nRetVal != XN_STATUS_OK)
{
xnProductionNodeRelease(hNode);
return (nRetVal);
}
// config it
nRetVal = xnConfigureNodeFromXml(hNode, pNode);
if (nRetVal != XN_STATUS_OK)
{
xnProductionNodeRelease(hNode);
return (nRetVal);
}
// check if we need to start it (if start generating all is on, it will be started at the end)
XnBool bStart = FALSE;
if (!bStartGeneratingAll)
{
if (NULL != pNode->Attribute(strStartGeneratingAttr))
{
nRetVal = xnXmlReadBoolAttribute(pNode, strStartGeneratingAttr, &bStart);
if (nRetVal != XN_STATUS_OK)
{
xnProductionNodeRelease(hNode);
return (nRetVal);
}
}
if (bStart)
{
nRetVal = xnStartGenerating(hNode);
if (nRetVal != XN_STATUS_OK)
{
xnProductionNodeRelease(hNode);
return (nRetVal);
}
}
}
pNode = pNode->NextSiblingElement(strNodeTagName);
}
// start generating all created nodes (by the order they were created in)
if (bStartGeneratingAll)
{
XnBool bIsGenerator;
for (XnNodeInfoListIterator it = xnNodeInfoListGetFirst(pCreatedNodes);
xnNodeInfoListIteratorIsValid(it);
it = xnNodeInfoListGetNext(it))
{
XnNodeInfo* pNodeInfo = xnNodeInfoListGetCurrent(it);
nRetVal = TypeManager::GetInstance().IsTypeDerivedFrom(pNodeInfo->Description.Type, XN_NODE_TYPE_GENERATOR, &bIsGenerator);
XN_IS_STATUS_OK(nRetVal);
if (bIsGenerator)
{
XN_ASSERT(pNodeInfo->hNode != NULL);
nRetVal = xnStartGenerating(pNodeInfo->hNode);
XN_IS_STATUS_OK(nRetVal);
}
}
}
return (XN_STATUS_OK);
}
XN_C_API XnStatus xnLogInitFromXmlFile(const XnChar* strFileName)
{
XnStatus nRetVal = XN_STATUS_OK;
nRetVal = xnLogInitSystem();
XN_IS_STATUS_OK(nRetVal);
TiXmlDocument doc;
nRetVal = xnXmlLoadDocument(doc, strFileName);
XN_IS_STATUS_OK(nRetVal);
TiXmlElement* pRootElem = doc.RootElement();
if (pRootElem != NULL)
{
TiXmlElement* pLog = pRootElem->FirstChildElement("Log");
if (pLog != NULL)
{
XnBool bOn;
// configure filters
TiXmlElement* pLogLevel = pLog->FirstChildElement("LogLevel");
if (pLogLevel != NULL)
{
XnInt nValue;
nRetVal = xnXmlReadIntAttribute(pLogLevel, "value", &nValue);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnLogSetSeverityFilter((XnLogSeverity)nValue);
XN_IS_STATUS_OK(nRetVal);
}
TiXmlElement* pMasks = pLog->FirstChildElement("Masks");
if (pMasks != NULL)
{
TiXmlElement* pMask = pMasks->FirstChildElement("Mask");
while (pMask != NULL)
{
const XnChar* strName;
nRetVal = xnXmlReadStringAttribute(pMask, "name", &strName);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnXmlReadBoolAttribute(pMask, "on", &bOn);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnLogSetMaskState(strName, bOn);
XN_IS_STATUS_OK(nRetVal);
pMask = pMask->NextSiblingElement("Mask");
}
}
// configure writers
if (pLog->Attribute("writeToConsole"))
{
nRetVal = xnXmlReadBoolAttribute(pLog, "writeToConsole", &bOn);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnLogSetConsoleOutput(bOn);
XN_IS_STATUS_OK(nRetVal);
}
if (pLog->Attribute("writeToFile"))
{
nRetVal = xnXmlReadBoolAttribute(pLog, "writeToFile", &bOn);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnLogSetFileOutput(bOn);
XN_IS_STATUS_OK(nRetVal);
}
if (pLog->Attribute("writeLineInfo"))
{
nRetVal = xnXmlReadBoolAttribute(pLog, "writeLineInfo", &bOn);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnLogSetLineInfo(bOn);
XN_IS_STATUS_OK(nRetVal);
}
// Dumps
TiXmlElement* pDumps = pLog->FirstChildElement("Dumps");
if (pDumps != NULL)
{
TiXmlElement* pDump = pDumps->FirstChildElement("Dump");
while (pDump != NULL)
{
const XnChar* strName;
nRetVal = xnXmlReadStringAttribute(pDump, "name", &strName);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnXmlReadBoolAttribute(pDump, "on", &bOn);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnDumpSetMaskState(strName, bOn);
XN_IS_STATUS_OK(nRetVal);
pDump = pDump->NextSiblingElement("Dump");
}
}
}
}
return (XN_STATUS_OK);
}
XnStatus xnConfigureCreateNodes(XnContext* pContext, const TiXmlElement* pRootElem, XnEnumerationErrors* pErrors)
{
XnStatus nRetVal = XN_STATUS_OK;
const TiXmlElement* pProudctionNodes = pRootElem->FirstChildElement("ProductionNodes");
if (pProudctionNodes == NULL)
{
printf("XnXMLConfig::xnConfigureCreateNodes(): firstChildElement == ProductionNodes == NULL\n");
return (XN_STATUS_OK);
}
// global mirror
printf("XnXMLConfig::xnConfigureCreateNodes(): Check GlobalMirror\n");
const TiXmlElement* pGlobalMirror = pProudctionNodes->FirstChildElement("GlobalMirror");
if (pGlobalMirror != NULL)
{
XnBool bOn;
nRetVal = xnXmlReadBoolAttribute(pGlobalMirror, "on", &bOn);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnSetGlobalMirror(pContext, bOn);
XN_IS_STATUS_OK(nRetVal);
}
// file recordings
const TiXmlElement* pRecording = pProudctionNodes->FirstChildElement("Recording");
if (pRecording != NULL)
{
const XnChar* strFileName;
nRetVal = xnXmlReadStringAttribute(pRecording, "file", &strFileName);
XN_IS_STATUS_OK(nRetVal);
xnLogVerbose(XN_MASK_OPEN_NI, "Opening file recording '%s'...", strFileName);
nRetVal = xnContextOpenFileRecording(pContext, strFileName);
XN_IS_STATUS_OK(nRetVal);
}
const XnChar* strNodeTagName = "Node";
const XnChar* strStartGeneratingAttr = "startGenerating";
XnBool bStartGeneratingAll = TRUE;
if (NULL != pProudctionNodes->Attribute(strStartGeneratingAttr))
{
nRetVal = xnXmlReadBoolAttribute(pProudctionNodes, strStartGeneratingAttr, &bStartGeneratingAll);
XN_IS_STATUS_OK(nRetVal);
}
// new nodes
printf("XnXMLConfig::xnConfigureCreateNodes(): Start iterating over production nodes.\n");
const TiXmlElement* pNode = pProudctionNodes->FirstChildElement(strNodeTagName);
while (pNode != NULL)
{
// get type
const XnChar* strType;
nRetVal = xnXmlReadStringAttribute(pNode, "type", &strType);
XN_IS_STATUS_OK(nRetVal);
xnLogVerbose(XN_MASK_OPEN_NI, "Requested to create a node of type %s...", strType);
XnProductionNodeType Type;
printf("XnXMLConfig::xnConfigureCreateNodes(): call to xnProductionNodeTypeFromString()\n");
nRetVal = xnProductionNodeTypeFromString(strType, &Type);
printf("ProductoniNodeType (see Include/XnTypes.h): %d\n", Type);
XN_IS_STATUS_OK(nRetVal);
// check if there is a query
XnNodeQuery* pQuery = NULL;
const TiXmlElement* pQueryElem = pNode->FirstChildElement("Query");
if (pQueryElem != NULL)
{
nRetVal = xnNodeQueryAllocate(&pQuery);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnXmlReadQuery(pQueryElem, pQuery);
XN_IS_STATUS_OK(nRetVal);
}
// enumerate
XnNodeInfoList* pTrees;
printf("XnXMLConfig::xnConfigureCreateNodes(): call to xnEnumerateProductionTrees\n");
nRetVal = xnEnumerateProductionTrees(pContext, Type, pQuery, &pTrees, pErrors); // @todo Porting to Mac - this is where it goes wrong.
XN_IS_STATUS_OK(nRetVal);
if (pQuery != NULL)
{
xnNodeQueryFree(pQuery);
pQuery = NULL;
}
// choose first one
XnNodeInfoListIterator itChosen = xnNodeInfoListGetFirst(pTrees);
XnNodeInfo* pChosenInfo = xnNodeInfoListGetCurrent(itChosen);
// check if a name was requested
if (NULL != pNode->Attribute("name"))
{
const XnChar* strName = NULL;
nRetVal = xnXmlReadStringAttribute(pNode, "name", &strName);
if (nRetVal != XN_STATUS_OK)
{
xnNodeInfoListFree(pTrees);
return (nRetVal);
}
nRetVal = xnNodeInfoSetInstanceName(pChosenInfo, strName);
if (nRetVal != XN_STATUS_OK)
{
xnNodeInfoListFree(pTrees);
return (nRetVal);
}
}
// create it
printf("XnXMLConfig::xnConfigureCreateNodes(): call to xnCreateProductionTree()");
XnNodeHandle hNode;
nRetVal = xnCreateProductionTree(pContext, pChosenInfo, &hNode);
if (nRetVal != XN_STATUS_OK)
{
xnNodeInfoListFree(pTrees);
return (nRetVal);
}
// free the list
xnNodeInfoListFree(pTrees);
// config it
nRetVal = xnConfigureNodeFromXml(hNode, pNode);
XN_IS_STATUS_OK(nRetVal);
// check if we need to start it (if start generating all is on, it will be started at the end)
XnBool bStart = FALSE;
if (!bStartGeneratingAll)
{
if (NULL != pNode->Attribute(strStartGeneratingAttr))
{
nRetVal = xnXmlReadBoolAttribute(pNode, strStartGeneratingAttr, &bStart);
XN_IS_STATUS_OK(nRetVal);
}
if (bStart)
{
nRetVal = xnStartGenerating(hNode);
XN_IS_STATUS_OK(nRetVal);
}
}
pNode = pNode->NextSiblingElement(strNodeTagName);
}
// start generating all
if (bStartGeneratingAll)
{
nRetVal = xnStartGeneratingAll(pContext);
XN_IS_STATUS_OK(nRetVal);
}
return (XN_STATUS_OK);
}
XnStatus xnConfigureCreateNodes(XnContext* pContext, const TiXmlElement* pRootElem, XnEnumerationErrors* pErrors)
{
XnStatus nRetVal = XN_STATUS_OK;
const TiXmlElement* pProudctionNodes = pRootElem->FirstChildElement("ProductionNodes");
if (pProudctionNodes == NULL)
{
return (XN_STATUS_OK);
}
// global mirror
const TiXmlElement* pGlobalMirror = pProudctionNodes->FirstChildElement("GlobalMirror");
if (pGlobalMirror != NULL)
{
XnBool bOn;
nRetVal = xnXmlReadBoolAttribute(pGlobalMirror, "on", &bOn);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnSetGlobalMirror(pContext, bOn);
XN_IS_STATUS_OK(nRetVal);
}
// file recordings
const TiXmlElement* pRecording = pProudctionNodes->FirstChildElement("Recording");
if (pRecording != NULL)
{
const XnChar* strFileName;
nRetVal = xnXmlReadStringAttribute(pRecording, "file", &strFileName);
XN_IS_STATUS_OK(nRetVal);
xnLogVerbose(XN_MASK_OPEN_NI, "Opening file recording '%s'...", strFileName);
nRetVal = xnContextOpenFileRecording(pContext, strFileName);
XN_IS_STATUS_OK(nRetVal);
XnDouble dSpeed = 1.0;
if (NULL != pRecording->Attribute("playbackSpeed", &dSpeed))
{
XnNodeHandle hPlayer;
nRetVal = xnFindExistingNodeByType(pContext, XN_NODE_TYPE_PLAYER, &hPlayer);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnSetPlaybackSpeed(hPlayer, dSpeed);
XN_IS_STATUS_OK(nRetVal);
}
}
const XnChar* strNodeTagName = "Node";
const XnChar* strStartGeneratingAttr = "startGenerating";
XnBool bStartGeneratingAll = TRUE;
if (NULL != pProudctionNodes->Attribute(strStartGeneratingAttr))
{
nRetVal = xnXmlReadBoolAttribute(pProudctionNodes, strStartGeneratingAttr, &bStartGeneratingAll);
XN_IS_STATUS_OK(nRetVal);
}
// new nodes
const TiXmlElement* pNode = pProudctionNodes->FirstChildElement(strNodeTagName);
while (pNode != NULL)
{
// get type
const XnChar* strType;
nRetVal = xnXmlReadStringAttribute(pNode, "type", &strType);
XN_IS_STATUS_OK(nRetVal);
xnLogVerbose(XN_MASK_OPEN_NI, "Requested to create a node of type %s...", strType);
XnProductionNodeType Type;
nRetVal = xnProductionNodeTypeFromString(strType, &Type);
XN_IS_STATUS_OK(nRetVal);
// check if there is a query
XnNodeQuery* pQuery = NULL;
const TiXmlElement* pQueryElem = pNode->FirstChildElement("Query");
if (pQueryElem != NULL)
{
nRetVal = xnNodeQueryAllocate(&pQuery);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnXmlReadQuery(pQueryElem, pQuery);
XN_IS_STATUS_OK(nRetVal);
}
// enumerate
XnNodeInfoList* pTrees;
nRetVal = xnEnumerateProductionTrees(pContext, Type, pQuery, &pTrees, pErrors);
XN_IS_STATUS_OK(nRetVal);
if (pQuery != NULL)
{
xnNodeQueryFree(pQuery);
pQuery = NULL;
}
// choose first one
XnNodeInfoListIterator itChosen = xnNodeInfoListGetFirst(pTrees);
XnNodeInfo* pChosenInfo = xnNodeInfoListGetCurrent(itChosen);
// check if a name was requested
if (NULL != pNode->Attribute("name"))
{
const XnChar* strName = NULL;
nRetVal = xnXmlReadStringAttribute(pNode, "name", &strName);
if (nRetVal != XN_STATUS_OK)
{
xnNodeInfoListFree(pTrees);
return (nRetVal);
}
nRetVal = xnNodeInfoSetInstanceName(pChosenInfo, strName);
if (nRetVal != XN_STATUS_OK)
{
xnNodeInfoListFree(pTrees);
return (nRetVal);
}
}
// create it
XnNodeHandle hNode;
nRetVal = xnCreateProductionTree(pContext, pChosenInfo, &hNode);
if (nRetVal != XN_STATUS_OK)
{
xnNodeInfoListFree(pTrees);
return (nRetVal);
}
// free the list
xnNodeInfoListFree(pTrees);
// config it
nRetVal = xnConfigureNodeFromXml(hNode, pNode);
XN_IS_STATUS_OK(nRetVal);
// check if we need to start it (if start generating all is on, it will be started at the end)
XnBool bStart = FALSE;
if (!bStartGeneratingAll)
{
if (NULL != pNode->Attribute(strStartGeneratingAttr))
{
nRetVal = xnXmlReadBoolAttribute(pNode, strStartGeneratingAttr, &bStart);
XN_IS_STATUS_OK(nRetVal);
}
if (bStart)
{
nRetVal = xnStartGenerating(hNode);
XN_IS_STATUS_OK(nRetVal);
}
}
pNode = pNode->NextSiblingElement(strNodeTagName);
}
// start generating all
if (bStartGeneratingAll)
{
nRetVal = xnStartGeneratingAll(pContext);
XN_IS_STATUS_OK(nRetVal);
}
return (XN_STATUS_OK);
}