public static List<DomElement> getDefinedChildren(
@NotNull final DomElement parent, final boolean tags, final boolean attributes) {
if (parent instanceof MergedObject) {
final SmartList<DomElement> result = new SmartList<>();
parent.acceptChildren(
new DomElementVisitor() {
@Override
public void visitDomElement(final DomElement element) {
if (hasXml(element)) {
result.add(element);
}
}
});
return result;
}
ProgressManager.checkCanceled();
if (parent instanceof GenericAttributeValue) return Collections.emptyList();
if (parent instanceof DomFileElement) {
final DomFileElement element = (DomFileElement) parent;
return tags ? Arrays.asList(element.getRootElement()) : Collections.<DomElement>emptyList();
}
final XmlElement xmlElement = parent.getXmlElement();
if (xmlElement instanceof XmlTag) {
XmlTag tag = (XmlTag) xmlElement;
final DomManager domManager = parent.getManager();
final SmartList<DomElement> result = new SmartList<>();
if (attributes) {
for (final XmlAttribute attribute : tag.getAttributes()) {
if (!attribute.isValid()) {
LOG.error("Invalid attr: parent.valid=" + tag.isValid());
continue;
}
GenericAttributeValue element = domManager.getDomElement(attribute);
if (checkHasXml(attribute, element)) {
ContainerUtil.addIfNotNull(result, element);
}
}
}
if (tags) {
for (final XmlTag subTag : tag.getSubTags()) {
if (!subTag.isValid()) {
LOG.error("Invalid subtag: parent.valid=" + tag.isValid());
continue;
}
DomElement element = domManager.getDomElement(subTag);
if (checkHasXml(subTag, element)) {
ContainerUtil.addIfNotNull(result, element);
}
}
}
return result;
}
return Collections.emptyList();
}
@Nullable
public static DomElement getDomElement(@Nullable final PsiElement element) {
if (element == null) return null;
final Project project = element.getProject();
final DomManager domManager = DomManager.getDomManager(project);
final XmlAttribute attr = PsiTreeUtil.getParentOfType(element, XmlAttribute.class, false);
if (attr != null) {
final GenericAttributeValue value = domManager.getDomElement(attr);
if (value != null) return value;
}
XmlTag tag = PsiTreeUtil.getParentOfType(element, XmlTag.class, false);
while (tag != null) {
final DomElement domElement = domManager.getDomElement(tag);
if (domElement != null) return domElement;
tag = tag.getParentTag();
}
return null;
}
@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;
}