MathMLMencloseElement.cpp [plain text]
#include "config.h"
#include "MathMLMencloseElement.h"
#if ENABLE(MATHML)
#include "HTMLParserIdioms.h"
#include "MathMLNames.h"
#include "RenderMathMLMenclose.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(MathMLMencloseElement);
using namespace MathMLNames;
MathMLMencloseElement::MathMLMencloseElement(const QualifiedName& tagName, Document& document)
: MathMLRowElement(tagName, document)
{
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); return;
}
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 AtomString& value)
{
if (name == notationAttr)
m_notationFlags = WTF::nullopt;
MathMLRowElement::parseAttribute(name, value);
}
}
#endif // ENABLE(MATHML)