darling-WebCore/mathml/MathMLPresentationElement.h
2023-01-24 16:42:21 -08:00

71 lines
2.9 KiB
C++

/*
* 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.
*/
#pragma once
#if ENABLE(MATHML)
#include "MathMLElement.h"
namespace WebCore {
class MathMLPresentationElement : public MathMLElement {
WTF_MAKE_ISO_ALLOCATED(MathMLPresentationElement);
public:
static Ref<MathMLPresentationElement> create(const QualifiedName& tagName, Document&);
protected:
MathMLPresentationElement(const QualifiedName& tagName, Document&);
void parseAttribute(const QualifiedName&, const AtomString&) override;
static bool isPhrasingContent(const Node&);
static bool isFlowContent(const Node&);
static Optional<bool> toOptionalBool(const BooleanValue& value) { return value == BooleanValue::Default ? WTF::nullopt : Optional<bool>(value == BooleanValue::True); }
const BooleanValue& cachedBooleanAttribute(const QualifiedName&, Optional<BooleanValue>&);
static Length parseMathMLLength(const String&);
const Length& cachedMathMLLength(const QualifiedName&, Optional<Length>&);
virtual bool acceptsMathVariantAttribute() { return false; }
Optional<MathVariant> specifiedMathVariant() final;
Optional<MathVariant> m_mathVariant;
private:
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override;
bool isPresentationMathML() const final { return true; }
static Length parseNumberAndUnit(const StringView&);
static Length parseNamedSpace(const StringView&);
static MathVariant parseMathVariantAttribute(const AtomString& attributeValue);
};
}
#endif // ENABLE(MATHML)