Function xnScriptNodeRun

Source/OpenNI/XnOpenNI.cpp:6991–7059

}

XN_C_API XnStatus xnScriptNodeRun(XnNodeHandle hScript, XnEnumerationErrors* pErrors)
{
	XnStatus nRetVal = XN_STATUS_OK;
	
	XN_VALIDATE_INTERFACE_TYPE(hScript, XN_NODE_TYPE_SCRIPT);

	XnNodeInfoList* pCreatedNodes = NULL;
	nRetVal = xnNodeInfoListAllocate(&pCreatedNodes);
	XN_IS_STATUS_OK(nRetVal);

	XnEnumerationErrors* pActualErrors = pErrors;
	if (pActualErrors == NULL)
	{
		nRetVal = xnEnumerationErrorsAllocate(&pActualErrors);
		if (nRetVal != XN_STATUS_OK)
		{
			xnNodeInfoListFree(pCreatedNodes);
			return (nRetVal);
		}
	}

	// run the script
	nRetVal = xnScriptNodeRunImpl(hScript, pCreatedNodes, pActualErrors);

	if (nRetVal == XN_STATUS_OK)
	{
		// add all created nodes to the list of dependencies
		for (XnNodeInfoListIterator it = xnNodeInfoListGetFirst(pCreatedNodes);
			xnNodeInfoListIteratorIsValid(it);
			it = xnNodeInfoListGetNext(it))
		{
			XnNodeInfo* pInfo = xnNodeInfoListGetCurrent(it);
			if (pInfo->hNode == NULL)
			{
				nRetVal = XN_STATUS_ERROR;
				break;
			}

			nRetVal = xnAddNeededNode(hScript, pInfo->hNode);
			if (nRetVal != XN_STATUS_OK)
			{
				break;
			}
		}
	}

	// release all nodes (either we had an error, or they are already added to the list of needed nodes
	for (XnNodeInfoListIterator it = xnNodeInfoListGetFirst(pCreatedNodes);
		xnNodeInfoListIteratorIsValid(it);
		it = xnNodeInfoListGetNext(it))
	{
		XnNodeInfo* pInfo = xnNodeInfoListGetCurrent(it);
		if (pInfo->hNode != NULL)
		{
			xnProductionNodeRelease(pInfo->hNode);
		}
	}