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a27d269721
Previously, some StyleValues created a large number of intermediate strings during serialization. Passing a StringBUilder into the serialization function allows us to avoid a large number of these unnecessary allocations.
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
/*
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* Copyright (c) 2024, Sam Atkins <atkinssj@serenityos.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 <AK/FlyString.h>
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#include <LibWeb/CSS/StyleValues/StyleValue.h>
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namespace Web::CSS {
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struct CounterDefinition {
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FlyString name;
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bool is_reversed;
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ValueComparingRefPtr<StyleValue const> value;
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};
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/**
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* Holds a list of CounterDefinitions.
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* Shared between counter-increment, counter-reset, and counter-set properties that have (almost) identical grammar.
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*/
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class CounterDefinitionsStyleValue : public StyleValueWithDefaultOperators<CounterDefinitionsStyleValue> {
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public:
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static ValueComparingNonnullRefPtr<CounterDefinitionsStyleValue const> create(Vector<CounterDefinition> counter_definitions)
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{
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return adopt_ref(*new (nothrow) CounterDefinitionsStyleValue(move(counter_definitions)));
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}
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virtual ~CounterDefinitionsStyleValue() override = default;
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auto const& counter_definitions() const { return m_counter_definitions; }
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virtual void serialize(StringBuilder&, SerializationMode) const override;
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virtual ValueComparingNonnullRefPtr<StyleValue const> absolutized(ComputationContext const&) const override;
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bool properties_equal(CounterDefinitionsStyleValue const& other) const;
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private:
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explicit CounterDefinitionsStyleValue(Vector<CounterDefinition> counter_definitions)
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: StyleValueWithDefaultOperators(Type::CounterDefinitions)
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, m_counter_definitions(move(counter_definitions))
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{
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}
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Vector<CounterDefinition> m_counter_definitions;
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};
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}
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