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/*
* Copyright (C) 2009 Alex Milowski (alex@milowski.com). All rights reserved.
* Copyright (C) 2010 Apple Inc. 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 "MathMLTokenElement.h"
#if ENABLE(MATHML)
#include "HTTPParsers.h"
#include "MathMLNames.h"
#include "RenderMathMLToken.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(MathMLTokenElement);
using namespace MathMLNames;
MathMLTokenElement::MathMLTokenElement(const QualifiedName& tagName, Document& document)
: MathMLPresentationElement(tagName, document, TypeFlag::HasCustomStyleResolveCallbacks)
{
}
Ref<MathMLTokenElement> MathMLTokenElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new MathMLTokenElement(tagName, document));
}
void MathMLTokenElement::didAttachRenderers()
{
MathMLPresentationElement::didAttachRenderers();
if (CheckedPtr mathmlRenderer = dynamicDowncast<RenderMathMLToken>(renderer()))
mathmlRenderer->updateTokenContent();
}
void MathMLTokenElement::childrenChanged(const ChildChange& change)
{
MathMLPresentationElement::childrenChanged(change);
if (CheckedPtr mathmlRenderer = dynamicDowncast<RenderMathMLToken>(renderer()))
mathmlRenderer->updateTokenContent();
}
RenderPtr<RenderElement> MathMLTokenElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
ASSERT(hasTagName(MathMLNames::miTag) || hasTagName(MathMLNames::mnTag) || hasTagName(MathMLNames::msTag) || hasTagName(MathMLNames::mtextTag));
return createRenderer<RenderMathMLToken>(RenderObject::Type::MathMLToken, *this, WTFMove(style));
}
bool MathMLTokenElement::childShouldCreateRenderer(const Node& child) const
{
// The HTML specification defines <mi>, <mo>, <mn>, <ms> and <mtext> as insertion points.
return StyledElement::childShouldCreateRenderer(child);
}
std::optional<char32_t> MathMLTokenElement::convertToSingleCodePoint(StringView string)
{
auto codePoints = string.trim(isASCIIWhitespaceWithoutFF<UChar>).codePoints();
auto iterator = codePoints.begin();
if (iterator == codePoints.end())
return std::nullopt;
std::optional<char32_t> character = *iterator;
++iterator;
return iterator == codePoints.end() ? character : std::nullopt;
}
}
#endif // ENABLE(MATHML)
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