1/*
2 * Copyright (C) 2013 Adobe Systems Inc. All rights reserved.
3 * Copyright (C) 2009 Apple Inc. All rights reserved.
4 * Copyright (C) 2011 Google Inc. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1.  Redistributions of source code must retain the above copyright
11 *     notice, this list of conditions and the following disclaimer.
12 * 2.  Redistributions in binary form must reproduce the above copyright
13 *     notice, this list of conditions and the following disclaimer in the
14 *     documentation and/or other materials provided with the distribution.
15 * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
16 *     its contributors may be used to endorse or promote products derived
17 *     from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
26 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef InspectorNodeFinder_h
32#define InspectorNodeFinder_h
33
34#include <wtf/ListHashSet.h>
35#include <wtf/text/WTFString.h>
36
37namespace WebCore {
38
39class Attribute;
40class Element;
41class Node;
42
43class InspectorNodeFinder {
44public:
45    InspectorNodeFinder(String whitespaceTrimmedQuery);
46    void performSearch(Node*);
47    const ListHashSet<Node*>& results() const { return m_results; }
48
49private:
50    bool matchesAttribute(const Attribute&);
51    bool matchesElement(const Element&);
52
53    void searchUsingDOMTreeTraversal(Node*);
54    void searchUsingXPath(Node*);
55    void searchUsingCSSSelectors(Node*);
56
57    bool m_startTagFound;
58    bool m_endTagFound;
59    bool m_exactAttributeMatch;
60
61    String m_whitespaceTrimmedQuery;
62    String m_tagNameQuery;
63    String m_attributeQuery;
64
65    ListHashSet<Node*> m_results;
66};
67
68} // namespace WebCore
69
70#endif // InspectorNodeFinder_h
71