1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/*
* Copyright (C) 2011 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SelectorQuery_h
#define SelectorQuery_h
#include "SelectorChecker.h"
#include <wtf/Vector.h>
namespace WebCore {
class Node;
class NodeList;
class Element;
class CSSSelector;
class CSSSelectorList;
class SelectorDataList {
public:
SelectorDataList();
explicit SelectorDataList(const CSSSelectorList&);
void initialize(const CSSSelectorList&);
int size() const { return m_selectors.size(); }
bool matches(const SelectorChecker&, Element*) const;
PassRefPtr<NodeList> queryAll(const SelectorChecker&, Node* rootNode) const;
PassRefPtr<Element> queryFirst(const SelectorChecker&, Node* rootNode) const;
private:
struct SelectorData {
SelectorData(CSSSelector* selector, bool isFastCheckable) : selector(selector), isFastCheckable(isFastCheckable) { }
CSSSelector* selector;
bool isFastCheckable;
};
bool canUseIdLookup(Node* rootNode) const;
template <bool firstMatchOnly>
void execute(const SelectorChecker&, Node* rootNode, Vector<RefPtr<Node> >&) const;
Vector<SelectorData> m_selectors;
};
class SelectorQuery {
WTF_MAKE_NONCOPYABLE(SelectorQuery);
public:
SelectorQuery(Node* rootNode, const CSSSelectorList&);
PassRefPtr<NodeList> queryAll() const;
PassRefPtr<Element> queryFirst() const;
private:
Node* m_rootNode;
SelectorChecker m_selectorChecker;
SelectorDataList m_selectors;
};
}
#endif
|
