void (final XmlTag tag, final PsiReferenceProcessor processor, final PsiPlainTextFile file) { final XmlAttribute formFileAttribute = tag.getAttribute(UIFormXmlConstants.ATTRIBUTE_FORM_FILE, null); if (formFileAttribute != null) { processPackageReferences(file, processor, formFileAttribute); processor.execute(new ResourceFileReference(file, getValueRange(formFileAttribute))); } }