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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.
*/
#pragma once
#include "antlr4-common.h"
namespace antlr4 {
namespace tree {
class ParseTree;
namespace xpath {
class ANTLR4CPP_PUBLIC XPathElement {
public:
/// Construct element like {@code /ID} or {@code ID} or {@code /*} etc...
/// op is null if just node
XPathElement(const std::string &nodeName);
XPathElement(XPathElement const&) = default;
virtual ~XPathElement();
XPathElement& operator=(XPathElement const&) = default;
/// Given tree rooted at {@code t} return all nodes matched by this path
/// element.
virtual std::vector<ParseTree *> evaluate(ParseTree *t);
virtual std::string toString() const;
void setInvert(bool value);
protected:
std::string _nodeName;
bool _invert = false;
};
} // namespace xpath
} // namespace tree
} // namespace antlr4
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