MathMLScriptsElement.cpp [plain text]
#include "config.h"
#include "MathMLScriptsElement.h"
#if ENABLE(MATHML)
#include "RenderMathMLScripts.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(MathMLScriptsElement);
using namespace MathMLNames;
static ScriptType scriptTypeOf(const QualifiedName& tagName)
{
if (tagName == msubTag)
return ScriptType::Sub;
if (tagName == msupTag)
return ScriptType::Super;
if (tagName == msubsupTag)
return ScriptType::SubSup;
if (tagName == munderTag)
return ScriptType::Under;
if (tagName == moverTag)
return ScriptType::Over;
if (tagName == munderoverTag)
return ScriptType::UnderOver;
ASSERT(tagName == mmultiscriptsTag);
return ScriptType::Multiscripts;
}
MathMLScriptsElement::MathMLScriptsElement(const QualifiedName& tagName, Document& document)
: MathMLPresentationElement(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::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == subscriptshiftAttr)
m_subscriptShift = std::nullopt;
else if (name == superscriptshiftAttr)
m_superscriptShift = std::nullopt;
MathMLElement::parseAttribute(name, value);
}
RenderPtr<RenderElement> MathMLScriptsElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
ASSERT(hasTagName(msubTag) || hasTagName(msupTag) || hasTagName(msubsupTag) || hasTagName(mmultiscriptsTag));
return createRenderer<RenderMathMLScripts>(*this, WTFMove(style));
}
}
#endif // ENABLE(MATHML)