Function xnRegisterModule

Source/OpenNI/XnModuleLoader.cpp:1490–1568

}

XN_C_API XnStatus xnRegisterModule(const XnChar* strModule, const XnChar* strConfigDir)
{
	XnStatus nRetVal = XN_STATUS_OK;
	
	XnChar strFullPath[XN_FILE_MAX_PATH];
	nRetVal = xnOSGetFullPathName(strModule, strFullPath, XN_FILE_MAX_PATH);
	XN_IS_STATUS_OK(nRetVal);

	XnBool bExists = FALSE;
	nRetVal = xnOSDoesFileExist(strFullPath, &bExists);
	XN_IS_STATUS_OK(nRetVal);

	if (!bExists)
	{
		XN_LOG_WARNING_RETURN(XN_STATUS_OS_FILE_NOT_FOUND, XN_MASK_OPEN_NI, "File '%s' does not exist!", strFullPath);
	}

	XnChar strConfigFullPathBuffer[XN_FILE_MAX_PATH] = {0};
	const XnChar* strConfigFullPath = NULL;

	if (strConfigDir != NULL)
	{
		nRetVal = xnOSGetFullPathName(strConfigDir, strConfigFullPathBuffer, XN_FILE_MAX_PATH);
		XN_IS_STATUS_OK(nRetVal);
		strConfigFullPath = strConfigFullPathBuffer;

		bExists = FALSE;
		nRetVal = xnOSDoesDirecotyExist(strConfigFullPath, &bExists);
		XN_IS_STATUS_OK(nRetVal);

		if (!bExists)
		{
			XN_LOG_WARNING_RETURN(XN_STATUS_OS_FILE_NOT_FOUND, XN_MASK_OPEN_NI, "Config directory '%s' does not exist!", strConfigFullPath);
		}
	}

	// TODO: try to load it to make sure its valid

	TiXmlDocument doc;
	nRetVal = loadModulesFile(doc);
	XN_IS_STATUS_OK(nRetVal);

	// check if it's already there
	XnBool bFound = FALSE;
	TiXmlElement* pModule = doc.RootElement()->FirstChildElement(XN_MODULE_ELEMENT_NAME);
	while (pModule != NULL)
	{
		const XnChar* strPath;
		nRetVal = xnXmlReadStringAttribute(pModule, "path", &strPath);
		XN_IS_STATUS_OK(nRetVal);

		if (strcmp(strPath, strFullPath) == 0)
		{
			bFound = TRUE;
			break;
		}

		pModule = pModule->NextSiblingElement(XN_MODULE_ELEMENT_NAME);