1 /* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
2 * Use of this file is governed by the BSD 3-clause license that
3 * can be found in the LICENSE.txt file in the project root.
6 #include "tree/ParseTree.h"
7 #include "tree/Trees.h"
9 #include "XPathRuleElement.h"
11 using namespace antlr4::tree;
12 using namespace antlr4::tree::xpath;
14 XPathRuleElement::XPathRuleElement(const std::string &ruleName, size_t ruleIndex) : XPathElement(ruleName) {
15 _ruleIndex = ruleIndex;
18 std::vector<ParseTree *> XPathRuleElement::evaluate(ParseTree *t) {
19 // return all children of t that match nodeName
20 std::vector<ParseTree *> nodes;
21 for (auto *c : t->children) {
22 if (antlrcpp::is<ParserRuleContext *>(c)) {
23 ParserRuleContext *ctx = dynamic_cast<ParserRuleContext *>(c);
24 if ((ctx->getRuleIndex() == _ruleIndex && !_invert) || (ctx->getRuleIndex() != _ruleIndex && _invert)) {