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
|
/*
* Copyright (C) 2024 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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.
*/
#pragma once
#include "LayoutDescendantIterator.h"
namespace WebCore {
namespace Layout {
class FormattingContextBoxIterator : public LayoutDescendantIterator<Box> {
public:
FormattingContextBoxIterator(const ElementBox& root)
: LayoutDescendantIterator<Layout::Box>(root)
{
}
enum FirstTag { First };
FormattingContextBoxIterator(const ElementBox& root, FirstTag)
: LayoutDescendantIterator<Box>(root, Traversal::firstWithin<Box>(root))
{
}
FormattingContextBoxIterator& operator++()
{
if (get().establishesFormattingContext())
traverseNextSkippingChildren();
else
traverseNext();
return *this;
}
};
class FormattingContextBoxIteratorAdapter {
public:
FormattingContextBoxIteratorAdapter(const ElementBox& root)
: m_root(root)
{
}
FormattingContextBoxIterator begin() { return { m_root, FormattingContextBoxIterator::First }; }
FormattingContextBoxIterator end() { return { m_root }; }
private:
const ElementBox& m_root;
};
inline FormattingContextBoxIteratorAdapter formattingContextBoxes(const ElementBox& root)
{
ASSERT(root.establishesFormattingContext());
return { root };
}
}
}
|
