@NotNull
public static <T extends DomElement> T getOriginalElement(@NotNull final T domElement) {
final XmlElement psiElement = domElement.getXmlElement();
if (psiElement == null) return domElement;
final PsiFile psiFile = psiElement.getContainingFile().getOriginalFile();
final TextRange range = psiElement.getTextRange();
final PsiElement element = psiFile.findElementAt(range.getStartOffset());
final int maxLength = range.getLength();
final boolean isAttribute = psiElement instanceof XmlAttribute;
final Class<? extends XmlElement> clazz = isAttribute ? XmlAttribute.class : XmlTag.class;
final DomManager domManager = domElement.getManager();
DomElement current = null;
for (XmlElement next = PsiTreeUtil.getParentOfType(element, clazz, false);
next != null && next.getTextLength() <= maxLength;
next = PsiTreeUtil.getParentOfType(next, clazz, true)) {
current =
isAttribute
? domManager.getDomElement((XmlAttribute) next)
: domManager.getDomElement((XmlTag) next);
if (current != null && domElement.getClass() != current.getClass()) current = null;
}
return (T) current;
}
