if (curNode instanceof Attr) {
final Attr attr = (Attr) curNode;
final Element element = attr.getOwnerElement();
final ITaglibContextResolver taglibResolver = IStructuredDocumentContextResolverFactory.INSTANCE
.getTaglibContextResolver(context);
final String uri = taglibResolver.getTagURIForNodeName(element);
final List elVals = MetaDataEnabledProcessingFactory.getInstance()
.getAttributeValueRuntimeTypeFeatureProcessors(
IValidELValues.class, context, uri,
element.getLocalName(), attr.getLocalName());