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42 lines
1.6 KiB
C++
42 lines
1.6 KiB
C++
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/*
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* Copyright (c) 2025, Lorenz Ackermann, <me@lorenzackermann.xyz>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/CSS/Parser/Parser.h>
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#include <LibWeb/CSS/StyleValues/KeywordStyleValue.h>
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#include <LibWeb/HTML/Parser/HTMLParser.h>
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#include <LibWeb/MathML/AttributeNames.h>
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#include <LibWeb/MathML/MathMLMiElement.h>
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namespace Web::MathML {
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GC_DEFINE_ALLOCATOR(MathMLMiElement);
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MathMLMiElement::MathMLMiElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: MathMLElement(document, move(qualified_name))
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{
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}
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bool MathMLMiElement::is_presentational_hint(FlyString const& name) const
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{
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if (Base::is_presentational_hint(name))
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return true;
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return first_is_one_of(name, AttributeNames::mathvariant);
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}
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void MathMLMiElement::apply_presentational_hints(GC::Ref<CSS::CascadedProperties> cascaded_properties) const
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{
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Base::apply_presentational_hints(cascaded_properties);
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// https://w3c.github.io/mathml-core/#dfn-mathvariant
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// The mathvariant attribute, if present, must be an ASCII case-insensitive match of normal. In that case, the user
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// agent is expected to treat the attribute as a presentational hint setting the element's text-transform property
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// to none. Otherwise it has no effects.
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if (auto mathvariant = attribute(AttributeNames::mathvariant); mathvariant.has_value() && mathvariant.value().equals_ignoring_ascii_case("normal"sv)) {
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::TextTransform, CSS::KeywordStyleValue::create(CSS::Keyword::None));
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}
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}
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}
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