1/*
2 * Copyright (C) 2014 Gurpreet Kaur (k.gurpreet@samsung.com). All rights reserved.
3 * Copyright (C) 2016 Igalia S.L.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "config.h"
28#include "MathMLMencloseElement.h"
29
30#if ENABLE(MATHML)
31
32#include "HTMLParserIdioms.h"
33#include "MathMLNames.h"
34#include "RenderMathMLMenclose.h"
35#include <wtf/IsoMallocInlines.h>
36
37namespace WebCore {
38
39WTF_MAKE_ISO_ALLOCATED_IMPL(MathMLMencloseElement);
40
41using namespace MathMLNames;
42
43MathMLMencloseElement::MathMLMencloseElement(const QualifiedName& tagName, Document& document)
44 : MathMLRowElement(tagName, document)
45{
46 // By default we draw a longdiv.
47 clearNotations();
48 addNotation(LongDiv);
49}
50
51Ref<MathMLMencloseElement> MathMLMencloseElement::create(const QualifiedName& tagName, Document& document)
52{
53 return adoptRef(*new MathMLMencloseElement(tagName, document));
54}
55
56RenderPtr<RenderElement> MathMLMencloseElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
57{
58 return createRenderer<RenderMathMLMenclose>(*this, WTFMove(style));
59}
60
61void MathMLMencloseElement::addNotationFlags(StringView notation)
62{
63 ASSERT(m_notationFlags);
64 if (notation == "longdiv") {
65 addNotation(LongDiv);
66 } else if (notation == "roundedbox") {
67 addNotation(RoundedBox);
68 } else if (notation == "circle") {
69 addNotation(Circle);
70 } else if (notation == "left") {
71 addNotation(Left);
72 } else if (notation == "right") {
73 addNotation(Right);
74 } else if (notation == "top") {
75 addNotation(Top);
76 } else if (notation == "bottom") {
77 addNotation(Bottom);
78 } else if (notation == "updiagonalstrike") {
79 addNotation(UpDiagonalStrike);
80 } else if (notation == "downdiagonalstrike") {
81 addNotation(DownDiagonalStrike);
82 } else if (notation == "verticalstrike") {
83 addNotation(VerticalStrike);
84 } else if (notation == "horizontalstrike") {
85 addNotation(HorizontalStrike);
86 } else if (notation == "updiagonalarrow") {
87 addNotation(UpDiagonalArrow);
88 } else if (notation == "phasorangle") {
89 addNotation(PhasorAngle);
90 } else if (notation == "box") {
91 addNotation(Left);
92 addNotation(Right);
93 addNotation(Top);
94 addNotation(Bottom);
95 } else if (notation == "actuarial") {
96 addNotation(Right);
97 addNotation(Top);
98 } else if (notation == "madruwb") {
99 addNotation(Right);
100 addNotation(Bottom);
101 }
102}
103
104void MathMLMencloseElement::parseNotationAttribute()
105{
106 clearNotations();
107 if (!hasAttribute(notationAttr)) {
108 addNotation(LongDiv); // The default value is longdiv.
109 return;
110 }
111 // We parse the list of whitespace-separated notation names.
112 StringView value = attributeWithoutSynchronization(notationAttr).string();
113 unsigned length = value.length();
114 unsigned start = 0;
115 while (start < length) {
116 if (isHTMLSpace(value[start])) {
117 start++;
118 continue;
119 }
120 unsigned end = start + 1;
121 while (end < length && !isHTMLSpace(value[end]))
122 end++;
123 addNotationFlags(value.substring(start, end - start));
124 start = end;
125 }
126}
127
128bool MathMLMencloseElement::hasNotation(MencloseNotationFlag notationFlag)
129{
130 if (!m_notationFlags)
131 parseNotationAttribute();
132 return m_notationFlags.value() & notationFlag;
133}
134
135void MathMLMencloseElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
136{
137 if (name == notationAttr)
138 m_notationFlags = WTF::nullopt;
139
140 MathMLRowElement::parseAttribute(name, value);
141}
142
143}
144#endif // ENABLE(MATHML)
145