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/* 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 "Token.h"
#include "support/CPPUtils.h"
#include "tree/ParseTree.h"
#include "tree/Trees.h"
#include "XPathTokenElement.h"
using namespace antlr4;
using namespace antlr4::tree;
using namespace antlr4::tree::xpath;
XPathTokenElement::XPathTokenElement(const std::string& tokenName,
size_t tokenType)
: XPathElement(tokenName) {
_tokenType = tokenType;
}
std::vector<ParseTree*> XPathTokenElement::evaluate(ParseTree* t) {
// return all children of t that match nodeName
std::vector<ParseTree*> nodes;
for (auto c : t->children) {
if (antlrcpp::is<TerminalNode*>(c)) {
TerminalNode* tnode = dynamic_cast<TerminalNode*>(c);
if ((tnode->getSymbol()->getType() == _tokenType && !_invert) ||
(tnode->getSymbol()->getType() != _tokenType && _invert)) {
nodes.push_back(tnode);
}
}
}
return nodes;
}
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