/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
 * Use of this file is governed by the BSD 3-clause license that
 * can be found in the LICENSE.txt file in the project root.
 */

#include "XPath.h"
#include "tree/ParseTree.h"
#include "tree/Trees.h"

#include "XPathWildcardAnywhereElement.h"

using namespace antlr4::tree;
using namespace antlr4::tree::xpath;

XPathWildcardAnywhereElement::XPathWildcardAnywhereElement() : XPathElement(XPath::WILDCARD) {
}

std::vector<ParseTree *> XPathWildcardAnywhereElement::evaluate(ParseTree *t) {
  if (_invert) {
    return {}; // !* is weird but valid (empty)
  }
  return Trees::getDescendants(t);
}