98 lines
3.6 KiB
C++
98 lines
3.6 KiB
C++
/*
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* Copyright (C) 2009 Alex Milowski (alex@milowski.com). All rights reserved.
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* Copyright (C) 2010 Apple Inc. All rights reserved.
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* Copyright (C) 2016 Igalia S.L.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "MathMLTokenElement.h"
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#if ENABLE(MATHML)
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#include "HTTPParsers.h"
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#include "MathMLNames.h"
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#include "RenderMathMLToken.h"
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#include <wtf/IsoMallocInlines.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(MathMLTokenElement);
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using namespace MathMLNames;
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MathMLTokenElement::MathMLTokenElement(const QualifiedName& tagName, Document& document)
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: MathMLPresentationElement(tagName, document)
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{
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setHasCustomStyleResolveCallbacks();
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}
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Ref<MathMLTokenElement> MathMLTokenElement::create(const QualifiedName& tagName, Document& document)
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{
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return adoptRef(*new MathMLTokenElement(tagName, document));
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}
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void MathMLTokenElement::didAttachRenderers()
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{
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MathMLPresentationElement::didAttachRenderers();
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auto* mathmlRenderer = renderer();
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if (is<RenderMathMLToken>(mathmlRenderer))
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downcast<RenderMathMLToken>(*mathmlRenderer).updateTokenContent();
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}
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void MathMLTokenElement::childrenChanged(const ChildChange& change)
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{
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MathMLPresentationElement::childrenChanged(change);
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auto* mathmlRenderer = renderer();
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if (is<RenderMathMLToken>(mathmlRenderer))
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downcast<RenderMathMLToken>(*mathmlRenderer).updateTokenContent();
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}
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RenderPtr<RenderElement> MathMLTokenElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
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{
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ASSERT(hasTagName(MathMLNames::miTag) || hasTagName(MathMLNames::mnTag) || hasTagName(MathMLNames::msTag) || hasTagName(MathMLNames::mtextTag));
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return createRenderer<RenderMathMLToken>(*this, WTFMove(style));
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}
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bool MathMLTokenElement::childShouldCreateRenderer(const Node& child) const
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{
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// The HTML specification defines <mi>, <mo>, <mn>, <ms> and <mtext> as insertion points.
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return isPhrasingContent(child) && StyledElement::childShouldCreateRenderer(child);
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}
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std::optional<UChar32> MathMLTokenElement::convertToSingleCodePoint(StringView string)
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{
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auto codePoints = stripLeadingAndTrailingHTTPSpaces(string).codePoints();
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auto iterator = codePoints.begin();
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if (iterator == codePoints.end())
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return std::nullopt;
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std::optional<UChar32> character = *iterator;
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++iterator;
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return iterator == codePoints.end() ? character : std::nullopt;
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}
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}
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#endif // ENABLE(MATHML)
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