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/*
* Copyright (C) 2014 Gurpreet Kaur (k.gurpreet@samsung.com). All rights reserved.
* Copyright (C) 2016 Igalia S.L.
*
* 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 "MathMLMencloseElement.h"
#if ENABLE(MATHML)
#include "HTMLParserIdioms.h"
#include "MathMLNames.h"
#include "RenderMathMLMenclose.h"
namespace WebCore {
using namespace MathMLNames;
MathMLMencloseElement::MathMLMencloseElement(const QualifiedName& tagName, Document& document)
: MathMLRowElement(tagName, document)
{
// By default we draw a longdiv.
clearNotations();
addNotation(LongDiv);
}
Ref<MathMLMencloseElement> MathMLMencloseElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new MathMLMencloseElement(tagName, document));
}
RenderPtr<RenderElement> MathMLMencloseElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
return createRenderer<RenderMathMLMenclose>(*this, WTFMove(style));
}
void MathMLMencloseElement::addNotationFlags(StringView notation)
{
ASSERT(m_notationFlags);
if (notation == "longdiv") {
addNotation(LongDiv);
} else if (notation == "roundedbox") {
addNotation(RoundedBox);
} else if (notation == "circle") {
addNotation(Circle);
} else if (notation == "left") {
addNotation(Left);
} else if (notation == "right") {
addNotation(Right);
} else if (notation == "top") {
addNotation(Top);
} else if (notation == "bottom") {
addNotation(Bottom);
} else if (notation == "updiagonalstrike") {
addNotation(UpDiagonalStrike);
} else if (notation == "downdiagonalstrike") {
addNotation(DownDiagonalStrike);
} else if (notation == "verticalstrike") {
addNotation(VerticalStrike);
} else if (notation == "horizontalstrike") {
addNotation(HorizontalStrike);
} else if (notation == "updiagonalarrow") {
addNotation(UpDiagonalArrow);
} else if (notation == "phasorangle") {
addNotation(PhasorAngle);
} else if (notation == "box") {
addNotation(Left);
addNotation(Right);
addNotation(Top);
addNotation(Bottom);
} else if (notation == "actuarial") {
addNotation(Right);
addNotation(Top);
} else if (notation == "madruwb") {
addNotation(Right);
addNotation(Bottom);
}
}
void MathMLMencloseElement::parseNotationAttribute()
{
clearNotations();
if (!hasAttribute(notationAttr)) {
addNotation(LongDiv); // The default value is longdiv.
return;
}
// We parse the list of whitespace-separated notation names.
StringView value = attributeWithoutSynchronization(notationAttr).string();
unsigned length = value.length();
unsigned start = 0;
while (start < length) {
if (isHTMLSpace(value[start])) {
start++;
continue;
}
unsigned end = start + 1;
while (end < length && !isHTMLSpace(value[end]))
end++;
addNotationFlags(value.substring(start, end - start));
start = end;
}
}
bool MathMLMencloseElement::hasNotation(MencloseNotationFlag notationFlag)
{
if (!m_notationFlags)
parseNotationAttribute();
return m_notationFlags.value() & notationFlag;
}
void MathMLMencloseElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == notationAttr)
m_notationFlags = std::nullopt;
MathMLRowElement::parseAttribute(name, value);
}
}
#endif // ENABLE(MATHML)
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