26b0801a78
Make CSS Typed OM to_string() implementations produce Utf16String instead of building UTF-8 strings and converting at the JS binding boundary. Use Utf16StringBuilder for numeric, math, and transform serialization paths that already feed CSS Typed OM stringification. Keep the older CSSOM StyleValue serializer on StringBuilder for now, and convert only where Typed OM source values or parser re-entry still need the existing UTF-8 representation.
50 lines
1.7 KiB
C++
50 lines
1.7 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 <AK/FlyString.h>
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#include <LibWeb/CSS/CSSNumericValue.h>
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namespace Web::CSS {
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// https://drafts.css-houdini.org/css-typed-om-1/#cssunitvalue
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class CSSUnitValue final : public CSSNumericValue {
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WEB_PLATFORM_OBJECT(CSSUnitValue, CSSNumericValue);
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GC_DECLARE_ALLOCATOR(CSSUnitValue);
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public:
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[[nodiscard]] static GC::Ref<CSSUnitValue> create(JS::Realm&, double value, FlyString unit);
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static GC::Ptr<CSSUnitValue> create_from_sum_value_item(JS::Realm&, SumValueItem const&);
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static WebIDL::ExceptionOr<GC::Ref<CSSUnitValue>> construct_impl(JS::Realm&, double value, FlyString unit);
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virtual ~CSSUnitValue() override = default;
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double value() const { return m_value; }
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void set_value(double value);
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FlyString const& unit() const { return m_unit; }
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void serialize_unit_value(Utf16StringBuilder&, Optional<double> minimum, Optional<double> maximum) const;
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GC::Ptr<CSSUnitValue> converted_to_unit(FlyString const& unit) const;
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virtual bool is_equal_numeric_value(GC::Ref<CSSNumericValue> other) const override;
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virtual Optional<SumValue> create_a_sum_value() const override;
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virtual WebIDL::ExceptionOr<NonnullRefPtr<StyleValue const>> create_an_internal_representation(PropertyNameAndID const&, PerformTypeCheck) const override;
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virtual WebIDL::ExceptionOr<NonnullRefPtr<CalculationNode const>> create_calculation_node(CalculationContext const&) const override;
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private:
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explicit CSSUnitValue(JS::Realm&, double value, FlyString unit, NumericType type);
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virtual void initialize(JS::Realm&) override;
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double m_value;
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FlyString m_unit;
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};
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}
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