private List<PsiElement> _process(final Matcher matcher, final boolean resolve) {
final XmlTag root = matcher.getRoot();
if (root == null || myHistory.contains(root)) {
return Collections.emptyList();
}
myHistory.add(root);
final List<PsiElement> found = new ArrayList<PsiElement>();
try {
if (matcher.isRecursive()) {
root.accept(
new XmlRecursiveElementVisitor() {
@Override
public void visitXmlTag(XmlTag tag) {
final Matcher.Result match = matcher.match(tag);
if (match != null) {
if (match.chain != null) {
found.addAll(_process(match.chain, resolve));
} else {
assert match.result != null;
found.add(match.result);
if (resolve) throw Stop.DONE;
}
}
super.visitXmlTag(tag);
}
});
} else {
root.acceptChildren(
new XmlElementVisitor() {
@Override
public void visitXmlTag(XmlTag tag) {
final Matcher.Result match = matcher.match(tag);
if (match != null) {
if (match.chain != null) {
found.addAll(_process(match.chain, resolve));
} else {
assert match.result != null;
found.add(match.result);
if (resolve) throw Stop.DONE;
}
}
}
});
}
} catch (Stop e) {
/* processing stopped */
}
return found;
}