41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
|
/* 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
|