Function xnAutoEnumerateOverSingleInput

Source/OpenNI/XnOpenNI.cpp:611–668

}

XN_C_API XnStatus xnAutoEnumerateOverSingleInput(XnContext* pContext, XnNodeInfoList* pList, XnProductionNodeDescription* pDescription, const XnChar* strCreationInfo, XnProductionNodeType InputType, XnEnumerationErrors* pErrors, XnNodeQuery* pQuery)
{
	XnStatus nRetVal = XN_STATUS_OK;
	
	XN_VALIDATE_INPUT_PTR(pList);
	XN_VALIDATE_INPUT_PTR(pDescription);

	// enumerate needed node
	XnNodeInfoList* pInputList;
	nRetVal = xnEnumerateProductionTrees(pContext, InputType, pQuery, &pInputList, pErrors);
	if (nRetVal != XN_STATUS_OK && nRetVal != XN_STATUS_NO_NODE_PRESENT)
	{
		return (nRetVal);
	}

	if (nRetVal == XN_STATUS_OK)
	{
		// now, for each found node, add one to the list
		for (XnNodeInfoListIterator it = xnNodeInfoListGetFirst(pInputList);
			xnNodeInfoListIteratorIsValid(it);
			it = xnNodeInfoListGetNext(it))
		{
			// create needed nodes list
			XnNodeInfoList* pNeeded;
			nRetVal = xnNodeInfoListAllocate(&pNeeded);
			if (nRetVal != XN_STATUS_OK)
			{
				xnNodeInfoListFree(pInputList);
				return (nRetVal);
			}

			// add this input node to it
			nRetVal = xnNodeInfoListAddNodeFromList(pNeeded, it);
			if (nRetVal != XN_STATUS_OK)
			{
				xnNodeInfoListFree(pInputList);
				xnNodeInfoListFree(pNeeded);
				return (nRetVal);
			}

			// and add to result list
			nRetVal = xnNodeInfoListAdd(pList, pDescription, strCreationInfo, pNeeded);
			if (nRetVal != XN_STATUS_OK)
			{
				xnNodeInfoListFree(pInputList);
				xnNodeInfoListFree(pNeeded);
				return (nRetVal);
			}

			xnNodeInfoListFree(pNeeded);
		}

		// free input nodes list
		xnNodeInfoListFree(pInputList);
	}
	
	return (XN_STATUS_OK);
}