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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/*
* Copyright (C) 2019-2021 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 INC. 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 INC. 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.
*/
#include "config.h"
#include "InlineIteratorTextBox.h"
#include "InlineIteratorBoxInlines.h"
#include "InlineIteratorLineBox.h"
#include "InlineIteratorTextBoxInlines.h"
#include "LayoutIntegrationLineLayout.h"
#include "RenderCombineText.h"
#include "RenderStyleInlines.h"
#include "SVGInlineTextBox.h"
namespace WebCore {
namespace InlineIterator {
TextBoxIterator TextBox::nextTextBox() const
{
return TextBoxIterator(*this).traverseNextTextBox();
}
const FontCascade& TextBox::fontCascade() const
{
if (auto* renderer = dynamicDowncast<RenderCombineText>(this->renderer()); renderer && renderer->isCombined())
return renderer->textCombineFont();
return style().fontCascade();
}
TextBoxIterator::TextBoxIterator(Box::PathVariant&& pathVariant)
: LeafBoxIterator(WTFMove(pathVariant))
{
}
TextBoxIterator::TextBoxIterator(const Box& box)
: LeafBoxIterator(box)
{
}
TextBoxIterator& TextBoxIterator::traverseNextTextBox()
{
WTF::switchOn(m_box.m_pathVariant, [](auto& path) {
path.traverseNextTextBox();
});
return *this;
}
TextBoxIterator lineLeftmostTextBoxFor(const RenderText& text)
{
if (auto* lineLayout = LayoutIntegration::LineLayout::containing(text))
return lineLayout->textBoxesFor(text);
if (CheckedPtr svgText = dynamicDowncast<RenderSVGInlineText>(text))
return { BoxLegacyPath { svgText->firstLegacyTextBox() } };
// During teardown we may hit this codepath _after_ the display content is destroyed (e.g. calling repaint on RenderText).
return { BoxLegacyPath { nullptr } };
}
TextBoxIterator textBoxFor(const LegacyInlineTextBox* legacyInlineTextBox)
{
return { BoxLegacyPath { legacyInlineTextBox } };
}
TextBoxIterator textBoxFor(const LayoutIntegration::InlineContent& content, const InlineDisplay::Box& box)
{
return textBoxFor(content, content.indexForBox(box));
}
TextBoxIterator textBoxFor(const LayoutIntegration::InlineContent& content, size_t boxIndex)
{
ASSERT(content.displayContent().boxes[boxIndex].isTextOrSoftLineBreak());
return { BoxModernPath { content, boxIndex } };
}
BoxRange<TextBoxIterator> textBoxesFor(const RenderText& text)
{
return { lineLeftmostTextBoxFor(text) };
}
}
}
|
