public static <T extends DomElement> T addElementAfter(@NotNull final T anchor) {
final DomElement parent = anchor.getParent();
final DomCollectionChildDescription childDescription =
(DomCollectionChildDescription) anchor.getChildDescription();
assert parent != null;
final List<? extends DomElement> list = childDescription.getValues(parent);
final int i = list.indexOf(anchor);
assert i >= 0;
return (T) childDescription.addValue(parent, i + 1);
}
@Nullable
public static <T extends DomElement> T findByName(
@NotNull Collection<T> list, @NonNls @NotNull String name) {
for (T element : list) {
String elementName = element.getGenericInfo().getElementName(element);
if (elementName != null && elementName.equals(name)) {
return element;
}
}
return null;
}
@SuppressWarnings("ForLoopReplaceableByForEach")
public static <T extends DomElement> List<T> getChildrenOf(
DomElement parent, final Class<T> type) {
final List<T> list = new SmartList<>();
List<? extends AbstractDomChildrenDescription> descriptions =
parent.getGenericInfo().getChildrenDescriptions();
for (int i = 0, descriptionsSize = descriptions.size(); i < descriptionsSize; i++) {
AbstractDomChildrenDescription description = descriptions.get(i);
if (description.getType() instanceof Class
&& type.isAssignableFrom((Class<?>) description.getType())) {
List<T> values = (List<T>) description.getValues(parent);
for (int j = 0, valuesSize = values.size(); j < valuesSize; j++) {
T value = values.get(j);
if (value.exists()) {
list.add(value);
}
}
}
}
return list;
}
@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;
}