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398d2f9981
This is a special value temporarily assigned to longhands when their shorthand is unresolved, and then later replaced once that is resolved.
35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
/*
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* Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
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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/CSSStyleValue.h>
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namespace Web::CSS {
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// https://drafts.csswg.org/css-values-5/#pending-substitution-value
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class PendingSubstitutionStyleValue final : public StyleValueWithDefaultOperators<PendingSubstitutionStyleValue> {
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public:
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static ValueComparingNonnullRefPtr<PendingSubstitutionStyleValue> create()
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{
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static ValueComparingNonnullRefPtr<PendingSubstitutionStyleValue> instance = adopt_ref(*new (nothrow) PendingSubstitutionStyleValue());
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return instance;
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}
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virtual ~PendingSubstitutionStyleValue() override = default;
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virtual String to_string(SerializationMode) const override { return {}; }
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// We shouldn't need to compare these, but in case we do: The nature of them is that their value is unknown, so
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// consider them all to be unique.
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bool properties_equal(PendingSubstitutionStyleValue const&) const { return false; }
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private:
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PendingSubstitutionStyleValue()
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: StyleValueWithDefaultOperators(Type::PendingSubstitution)
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{
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}
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};
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}
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