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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.
45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
/*
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* Copyright (c) 2023, 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 <LibWeb/CSS/StyleValues/StyleValue.h>
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namespace Web::CSS {
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class MathDepthStyleValue : public StyleValueWithDefaultOperators<MathDepthStyleValue> {
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public:
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static ValueComparingNonnullRefPtr<MathDepthStyleValue const> create_auto_add();
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static ValueComparingNonnullRefPtr<MathDepthStyleValue const> create_add(ValueComparingNonnullRefPtr<StyleValue const> integer_value);
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static ValueComparingNonnullRefPtr<MathDepthStyleValue const> create_integer(ValueComparingNonnullRefPtr<StyleValue const> integer_value);
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virtual ~MathDepthStyleValue() override = default;
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bool is_auto_add() const { return m_type == MathDepthType::AutoAdd; }
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bool is_add() const { return m_type == MathDepthType::Add; }
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bool is_integer() const { return m_type == MathDepthType::Integer; }
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auto integer_value() const
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{
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VERIFY(!m_integer_value.is_null());
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return m_integer_value;
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}
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virtual void serialize(StringBuilder&, SerializationMode) const override;
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bool properties_equal(MathDepthStyleValue const& other) const;
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private:
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enum class MathDepthType {
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AutoAdd,
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Add,
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Integer,
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};
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MathDepthStyleValue(MathDepthType type, ValueComparingRefPtr<StyleValue const> integer_value = nullptr);
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MathDepthType m_type;
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ValueComparingRefPtr<StyleValue const> m_integer_value;
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};
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}
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