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
|
/*
* Copyright (C) 2016 Igalia S.L. 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.
*
*/
#include "config.h"
#include "MathMLScriptsElement.h"
#if ENABLE(MATHML)
#include "RenderMathMLScripts.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(MathMLScriptsElement);
using namespace MathMLNames;
static MathMLScriptsElement::ScriptType scriptTypeOf(const QualifiedName& tagName)
{
if (tagName.matches(msubTag))
return MathMLScriptsElement::ScriptType::Sub;
if (tagName.matches(msupTag))
return MathMLScriptsElement::ScriptType::Super;
if (tagName.matches(msubsupTag))
return MathMLScriptsElement::ScriptType::SubSup;
if (tagName.matches(munderTag))
return MathMLScriptsElement::ScriptType::Under;
if (tagName.matches(moverTag))
return MathMLScriptsElement::ScriptType::Over;
if (tagName.matches(munderoverTag))
return MathMLScriptsElement::ScriptType::UnderOver;
ASSERT(tagName.matches(mmultiscriptsTag));
return MathMLScriptsElement::ScriptType::Multiscripts;
}
MathMLScriptsElement::MathMLScriptsElement(const QualifiedName& tagName, Document& document)
: MathMLRowElement(tagName, document)
, m_scriptType(scriptTypeOf(tagName))
{
}
Ref<MathMLScriptsElement> MathMLScriptsElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new MathMLScriptsElement(tagName, document));
}
const MathMLElement::Length& MathMLScriptsElement::subscriptShift()
{
return cachedMathMLLength(subscriptshiftAttr, m_subscriptShift);
}
const MathMLElement::Length& MathMLScriptsElement::superscriptShift()
{
return cachedMathMLLength(superscriptshiftAttr, m_superscriptShift);
}
void MathMLScriptsElement::attributeChanged(const QualifiedName& name, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason attributeModificationReason)
{
if (name == subscriptshiftAttr)
m_subscriptShift = std::nullopt;
else if (name == superscriptshiftAttr)
m_superscriptShift = std::nullopt;
MathMLElement::attributeChanged(name, oldValue, newValue, attributeModificationReason);
}
RenderPtr<RenderElement> MathMLScriptsElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
ASSERT(hasTagName(msubTag) || hasTagName(msupTag) || hasTagName(msubsupTag) || hasTagName(mmultiscriptsTag));
return createRenderer<RenderMathMLScripts>(RenderObject::Type::MathMLScripts, *this, WTFMove(style));
}
}
#endif // ENABLE(MATHML)
|
