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https://github.com/LadybirdBrowser/ladybird.git
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d641bfd7e2
Move PropertyNameAndID, custom property data, registered custom properties, and Typed OM associated property names to Utf16FlyString. This removes the FlyString storage boundary from CSS property-name handling and lets CSSStyleProperties keep the name it receives from CSSOM instead of converting it back to UTF-8.
90 lines
3.3 KiB
C++
90 lines
3.3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
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* Copyright (c) 2021-2026, Sam Atkins <sam@ladybird.org>
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* Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/CSS/Keyword.h>
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#include <LibWeb/CSS/StyleValues/StyleValue.h>
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namespace Web::CSS {
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class KeywordStyleValue : public StyleValueWithDefaultOperators<KeywordStyleValue> {
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public:
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static ValueComparingNonnullRefPtr<KeywordStyleValue const> create(Keyword keyword)
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{
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switch (keyword) {
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case Keyword::Inherit: {
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static auto const& inherit_instance = adopt_ref(*new (nothrow) KeywordStyleValue(Keyword::Inherit)).leak_ref();
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return inherit_instance;
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}
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case Keyword::Initial: {
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static auto const& initial_instance = adopt_ref(*new (nothrow) KeywordStyleValue(Keyword::Initial)).leak_ref();
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return initial_instance;
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}
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case Keyword::Revert: {
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static auto const& revert_instance = adopt_ref(*new (nothrow) KeywordStyleValue(Keyword::Revert)).leak_ref();
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return revert_instance;
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}
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case Keyword::RevertLayer: {
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static auto const& revert_layer_instance = adopt_ref(*new (nothrow) KeywordStyleValue(Keyword::RevertLayer)).leak_ref();
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return revert_layer_instance;
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}
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case Keyword::Unset: {
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static auto const& unset_instance = adopt_ref(*new (nothrow) KeywordStyleValue(Keyword::Unset)).leak_ref();
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return unset_instance;
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}
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default:
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return adopt_ref(*new (nothrow) KeywordStyleValue(keyword));
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}
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}
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virtual ~KeywordStyleValue() override = default;
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Keyword keyword() const { return m_keyword; }
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static bool is_color(Keyword);
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virtual bool has_color() const override;
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virtual Optional<Color> to_color(ColorResolutionContext) const override;
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virtual ValueComparingNonnullRefPtr<StyleValue const> absolutized(ComputationContext const&) const override;
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virtual void serialize(StringBuilder&, SerializationMode) const override;
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virtual Vector<Parser::ComponentValue> tokenize() const override;
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virtual GC::Ref<CSSStyleValue> reify(JS::Realm&, Utf16FlyString const& associated_property) const override;
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bool properties_equal(KeywordStyleValue const& other) const { return m_keyword == other.m_keyword; }
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virtual bool is_computationally_independent() const override
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{
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if (is_css_wide_keyword())
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return false;
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// FIXME: Are there any other color keywords which aren't computationally independent?
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if (first_is_one_of(m_keyword, Keyword::Accentcolor, Keyword::Accentcolortext))
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return false;
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// FIXME: Are there any other keywords which aren't computationally independent?
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return true;
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}
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private:
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explicit KeywordStyleValue(Keyword keyword)
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: StyleValueWithDefaultOperators(Type::Keyword)
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, m_keyword(keyword)
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{
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}
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Keyword m_keyword { Keyword::Invalid };
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};
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inline Keyword StyleValue::to_keyword() const
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{
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if (is_keyword())
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return static_cast<KeywordStyleValue const&>(*this).keyword();
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return Keyword::Invalid;
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}
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}
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