Function xnNodeInfoGetTreeStringRepresentationImpl

Source/OpenNI/XnOpenNI.cpp:1032–1107

}

XnStatus xnNodeInfoGetTreeStringRepresentationImpl(XnNodeInfo* pNodeInfo, XnChar* csResult, XnUInt32 nSize, XnUInt32 nDepth)
{
	XnStatus nRetVal = XN_STATUS_OK;
	XnUInt32 nLen = 0;
	XnUInt32 nWritten = 0;

	XnChar strIndentation[100] = "";
	if (nDepth >= 100)
	{
		XN_ASSERT(FALSE);
		return XN_STATUS_INTERNAL_BUFFER_TOO_SMALL;
	}

	for (XnUInt32 i = 0; i < nDepth; ++i)
	{
		strIndentation[i] = '\t';
	}

	nRetVal = xnOSStrCopy(csResult + nLen, strIndentation, nSize - nLen);
	XN_IS_STATUS_OK(nRetVal);

	nLen = xnOSStrLen(csResult);
	
	nRetVal = xnProductionNodeDescriptionToString(&pNodeInfo->Description, csResult + nLen, nSize - nLen);
	XN_IS_STATUS_OK(nRetVal);

	if (pNodeInfo->strInstanceName[0] != '\0')
	{
		nLen = xnOSStrLen(csResult);
		nRetVal = xnOSStrFormat(csResult + nLen, nSize - nLen, &nWritten, "[\"%s\"]", pNodeInfo->strInstanceName);
		XN_IS_STATUS_OK(nRetVal);
	}

	if (pNodeInfo->strCreationInfo[0] != '\0')
	{
		nLen = xnOSStrLen(csResult);
		nRetVal = xnOSStrFormat(csResult + nLen, nSize - nLen, &nWritten, "(%s)", pNodeInfo->strCreationInfo);
		XN_IS_STATUS_OK(nRetVal);
	}

	if (pNodeInfo->pNeededTrees != NULL)
	{
		// add list of needed nodes
		XnBool bFirst = TRUE;

		for (XnNodeInfoListIterator it = xnNodeInfoListGetFirst(pNodeInfo->pNeededTrees); 
			xnNodeInfoListIteratorIsValid(it);
			it = xnNodeInfoListGetNext(it))
		{
			nLen = xnOSStrLen(csResult);

			if (bFirst)
			{
				nRetVal = xnOSStrFormat(csResult + nLen, nSize - nLen, &nWritten, " ->\n", strIndentation);
				XN_IS_STATUS_OK(nRetVal);
			}

			nLen = xnOSStrLen(csResult);