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ed2909674f
Registered custom properties only accept "computationally independent" values for their initial value
39 lines
1.2 KiB
C++
39 lines
1.2 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/StyleValues/StyleValue.h>
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namespace Web::CSS {
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// https://drafts.csswg.org/css-variables/#guaranteed-invalid-value
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class GuaranteedInvalidStyleValue final : public StyleValueWithDefaultOperators<GuaranteedInvalidStyleValue> {
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public:
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static ValueComparingNonnullRefPtr<GuaranteedInvalidStyleValue> create()
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{
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static ValueComparingNonnullRefPtr<GuaranteedInvalidStyleValue> instance = adopt_ref(*new (nothrow) GuaranteedInvalidStyleValue());
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return instance;
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}
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virtual ~GuaranteedInvalidStyleValue() override = default;
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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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{
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return { Parser::ComponentValue { Parser::GuaranteedInvalidValue {} } };
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}
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bool properties_equal(GuaranteedInvalidStyleValue const&) const { return true; }
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virtual bool is_computationally_independent() const override { VERIFY_NOT_REACHED(); }
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private:
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GuaranteedInvalidStyleValue()
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: StyleValueWithDefaultOperators(Type::GuaranteedInvalid)
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{
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}
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};
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}
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