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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
1.6 KiB
C++
48 lines
1.6 KiB
C++
/*
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* Copyright (c) 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 <LibWeb/CSS/Enums.h>
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#include <LibWeb/CSS/StyleValues/PercentageStyleValue.h>
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#include <LibWeb/CSS/StyleValues/StyleValue.h>
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namespace Web::CSS {
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class EdgeStyleValue final : public StyleValueWithDefaultOperators<EdgeStyleValue> {
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public:
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static ValueComparingNonnullRefPtr<EdgeStyleValue const> create(Optional<PositionEdge> edge, RefPtr<StyleValue const> const& offset)
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{
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return adopt_ref(*new (nothrow) EdgeStyleValue(edge, offset));
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}
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virtual ~EdgeStyleValue() override = default;
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// This is nonnull as it is only called after resolving keywords
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NonnullRefPtr<StyleValue const> offset() const { return *m_properties.offset; }
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bool is_center(SerializationMode) const;
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virtual void serialize(StringBuilder&, SerializationMode) const override;
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ValueComparingNonnullRefPtr<EdgeStyleValue const> with_resolved_keywords() const;
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virtual ValueComparingNonnullRefPtr<StyleValue const> absolutized(ComputationContext const& computation_context) const override;
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bool properties_equal(EdgeStyleValue const& other) const { return m_properties == other.m_properties; }
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private:
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EdgeStyleValue(Optional<PositionEdge> edge, RefPtr<StyleValue const> const& offset)
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: StyleValueWithDefaultOperators(Type::Edge)
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, m_properties { .edge = edge, .offset = offset }
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{
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}
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struct Properties {
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Optional<PositionEdge> edge;
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ValueComparingRefPtr<StyleValue const> offset;
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bool operator==(Properties const&) const = default;
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} m_properties;
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};
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}
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