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/*
* Copyright (C) 2016 Igalia S.L. All rights reserved.
*
* 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 "MathMLOperatorDictionary.h"
#include "MathMLTokenElement.h"
namespace WebCore {
class MathMLOperatorElement final : public MathMLTokenElement {
WTF_MAKE_ISO_ALLOCATED(MathMLOperatorElement);
public:
static Ref<MathMLOperatorElement> create(const QualifiedName& tagName, Document&);
struct OperatorChar {
UChar32 character { 0 };
bool isVertical { true };
};
static OperatorChar parseOperatorChar(const String&);
const OperatorChar& operatorChar();
void setOperatorFormDirty() { m_dictionaryProperty = std::nullopt; }
MathMLOperatorDictionary::Form form() { return dictionaryProperty().form; }
bool hasProperty(MathMLOperatorDictionary::Flag);
Length defaultLeadingSpace();
Length defaultTrailingSpace();
const Length& leadingSpace();
const Length& trailingSpace();
const Length& minSize();
const Length& maxSize();
private:
MathMLOperatorElement(const QualifiedName& tagName, Document&);
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) final;
void childrenChanged(const ChildChange&) final;
void parseAttribute(const QualifiedName&, const AtomicString&) final;
std::optional<OperatorChar> m_operatorChar;
std::optional<MathMLOperatorDictionary::Property> m_dictionaryProperty;
MathMLOperatorDictionary::Property computeDictionaryProperty();
const MathMLOperatorDictionary::Property& dictionaryProperty();
struct OperatorProperties {
unsigned short flags;
unsigned short dirtyFlags { MathMLOperatorDictionary::allFlags };
};
OperatorProperties m_properties;
void computeOperatorFlag(MathMLOperatorDictionary::Flag);
std::optional<Length> m_leadingSpace;
std::optional<Length> m_trailingSpace;
std::optional<Length> m_minSize;
std::optional<Length> m_maxSize;
};
}
#endif // ENABLE(MATHML)