31 lines
966 B
C++
Executable File
31 lines
966 B
C++
Executable File
/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
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* Use of this file is governed by the BSD 3-clause license that
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* can be found in the LICENSE.txt file in the project root.
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*/
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#include "tree/ParseTree.h"
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#include "tree/Trees.h"
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#include "XPathRuleElement.h"
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using namespace antlr4::tree;
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using namespace antlr4::tree::xpath;
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XPathRuleElement::XPathRuleElement(const std::string &ruleName, size_t ruleIndex) : XPathElement(ruleName) {
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_ruleIndex = ruleIndex;
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}
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std::vector<ParseTree *> XPathRuleElement::evaluate(ParseTree *t) {
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// return all children of t that match nodeName
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std::vector<ParseTree *> nodes;
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for (auto *c : t->children) {
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if (antlrcpp::is<ParserRuleContext *>(c)) {
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ParserRuleContext *ctx = dynamic_cast<ParserRuleContext *>(c);
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if ((ctx->getRuleIndex() == _ruleIndex && !_invert) || (ctx->getRuleIndex() != _ruleIndex && _invert)) {
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nodes.push_back(ctx);
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}
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}
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}
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return nodes;
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}
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