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70e82d39ed
Store the source text for unresolved CSS values instead of retaining the full parsed component value tree. Values that need the component tree now parse it on demand from the stored text. This preserves equality, tokenization, variable substitution, and Typed OM reification. Custom properties keep their original source text. Unresolved values synthesized from component values store serialized text.
56 lines
2.2 KiB
C++
56 lines
2.2 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) 2021-2025, 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 <AK/String.h>
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#include <AK/Vector.h>
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#include <LibWeb/CSS/Parser/ComponentValue.h>
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#include <LibWeb/CSS/StyleValues/StyleValue.h>
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namespace Web::CSS {
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class UnresolvedStyleValue final : public StyleValue {
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public:
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enum class SourceTextMode : u8 {
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Trim,
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Preserve,
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};
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static ValueComparingNonnullRefPtr<UnresolvedStyleValue const> create(Vector<Parser::ComponentValue>&& values, Parser::SubstitutionFunctionsPresence, Optional<String> original_source_text = {}, SourceTextMode = SourceTextMode::Trim, bool contains_attr_tainted_values = false);
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virtual ~UnresolvedStyleValue() 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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Vector<Parser::ComponentValue> values() const;
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bool contains_arbitrary_substitution_function() const { return m_substitution_functions_presence.has_any(); }
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bool includes_attr_function() const { return m_substitution_functions_presence.attr; }
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bool includes_inherit_function() const { return m_substitution_functions_presence.inherit; }
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bool includes_if_function() const { return m_substitution_functions_presence.if_; }
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bool includes_var_function() const { return m_substitution_functions_presence.var; }
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virtual bool equals(StyleValue const& other) const override;
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virtual GC::Ref<CSSStyleValue> reify(JS::Realm&, FlyString const& associated_property) const override;
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virtual bool is_computationally_independent() const override { VERIFY_NOT_REACHED(); }
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private:
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UnresolvedStyleValue(String source_text, String value_comparison_text, Parser::SubstitutionFunctionsPresence, bool contains_attr_tainted_values);
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StringView comparison_text() const;
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String m_source_text;
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String m_value_comparison_text;
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Parser::SubstitutionFunctionsPresence m_substitution_functions_presence {};
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bool m_contains_attr_tainted_values { false };
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};
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}
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