@NotNull
public XmlFile getContainingFile(@NotNull DomElement domElement) {
if (domElement instanceof DomFileElement) {
return ((DomFileElement) domElement).getFile();
}
DomInvocationHandler handler = DomManagerImpl.getDomInvocationHandler(domElement);
assert handler != null : domElement;
while (handler != null
&& !(handler instanceof DomRootInvocationHandler)
&& handler.getXmlTag() == null) {
handler = handler.getParentHandler();
}
if (handler instanceof DomRootInvocationHandler) {
return ((DomRootInvocationHandler) handler).getParent().getFile();
}
assert handler != null;
XmlTag tag = handler.getXmlTag();
assert tag != null;
while (true) {
final PsiElement parentTag = PhysicalDomParentStrategy.getParentTagCandidate(tag);
if (!(parentTag instanceof XmlTag)) {
return (XmlFile) tag.getContainingFile();
}
tag = (XmlTag) parentTag;
}
}
protected XmlElement recomputeXmlElement(@NotNull final DomInvocationHandler parent) {
if (!parent.isValid()) return null;
final XmlTag tag = parent.getXmlTag();
if (tag == null) return null;
return tag.getAttribute(getXmlElementName(), getXmlApiCompatibleNamespace(parent));
}
@Nullable
private String getXmlApiCompatibleNamespace(DomInvocationHandler parent) {
final XmlTag tag = parent.getXmlTag();
if (tag == null) {
return null;
}
String ns = getXmlName().getNamespace(tag, parent.getFile());
// TODO: this seems ugly
return tag.getNamespace().equals(ns) ? null : ns;
}
static XmlFile getFile(DomElement domElement) {
if (domElement instanceof DomFileElement) {
return ((DomFileElement) domElement).getFile();
}
DomInvocationHandler handler = DomManagerImpl.getDomInvocationHandler(domElement);
assert handler != null : domElement;
while (true) {
if (handler instanceof DomRootInvocationHandler) {
return ((DomRootInvocationHandler) handler).getParent().getFile();
}
XmlTag tag = handler.getXmlTag();
if (tag != null) {
return getContainingFile(tag);
}
DomInvocationHandler parent = handler.getParentHandler();
if (parent == null) {
throw new AssertionError("No parent for " + handler.toStringEx());
}
handler = parent;
}
}
@Nullable
public final XmlTag getXmlTag() {
final DomInvocationHandler handler = getParentHandler();
return handler == null ? null : handler.getXmlTag();
}
