/* * 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 { public: static Ref create(const QualifiedName& tagName, Document&); protected: MathMLPresentationElement(const QualifiedName& tagName, Document&); void parseAttribute(const QualifiedName&, const AtomicString&) override; static bool isPhrasingContent(const Node&); static bool isFlowContent(const Node&); static std::optional toOptionalBool(const BooleanValue& value) { return value == BooleanValue::Default ? std::nullopt : std::optional(value == BooleanValue::True); } const BooleanValue& cachedBooleanAttribute(const QualifiedName&, std::optional&); static Length parseMathMLLength(const String&); const Length& cachedMathMLLength(const QualifiedName&, std::optional&); virtual bool acceptsDisplayStyleAttribute(); std::optional specifiedDisplayStyle() override; virtual bool acceptsMathVariantAttribute() { return false; } std::optional specifiedMathVariant() final; std::optional m_displayStyle; std::optional m_mathVariant; private: RenderPtr 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 AtomicString& attributeValue); }; } #endif // ENABLE(MATHML)