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.
61 lines
2.2 KiB
C++
61 lines
2.2 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/Utf16FlyString.h>
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#include <AK/Utf16String.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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namespace Web::CSS {
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// https://drafts.css-houdini.org/css-typed-om-1/#cssstylevalue
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class CSSStyleValue : public Bindings::PlatformObject {
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WEB_PLATFORM_OBJECT(CSSStyleValue, Bindings::PlatformObject);
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GC_DECLARE_ALLOCATOR(CSSStyleValue);
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public:
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[[nodiscard]] static GC::Ref<CSSStyleValue> create(JS::Realm&, Utf16FlyString associated_property, NonnullRefPtr<StyleValue const>);
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virtual ~CSSStyleValue() override;
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virtual void initialize(JS::Realm&) override;
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Optional<Utf16FlyString> const& associated_property() const { return m_associated_property; }
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RefPtr<StyleValue const> const& source_value() const { return m_source_value; }
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static WebIDL::ExceptionOr<GC::Ref<CSSStyleValue>> parse(JS::VM&, Utf16FlyString const& property, String css_text);
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static WebIDL::ExceptionOr<GC::RootVector<GC::Ref<CSSStyleValue>>> parse_all(JS::VM&, Utf16FlyString const& property, String css_text);
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enum class ParseMultiple : u8 {
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No,
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Yes,
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};
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static WebIDL::ExceptionOr<Variant<GC::Ref<CSSStyleValue>, GC::RootVector<GC::Ref<CSSStyleValue>>>> parse_a_css_style_value(JS::VM&, Utf16FlyString property, String css_text, ParseMultiple);
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virtual WebIDL::ExceptionOr<Utf16String> to_string() const;
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// FIXME: Temporary hack. Really we want to pass something like a CalculationContext with the valid types and ranges.
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enum class PerformTypeCheck : u8 {
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No,
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Yes,
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};
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virtual WebIDL::ExceptionOr<NonnullRefPtr<StyleValue const>> create_an_internal_representation(PropertyNameAndID const&, PerformTypeCheck) const;
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protected:
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explicit CSSStyleValue(JS::Realm&);
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explicit CSSStyleValue(JS::Realm&, NonnullRefPtr<StyleValue const> source_value);
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private:
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explicit CSSStyleValue(JS::Realm&, Utf16FlyString associated_property, NonnullRefPtr<StyleValue const> source_value);
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// https://drafts.css-houdini.org/css-typed-om-1/#dom-cssstylevalue-associatedproperty-slot
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Optional<Utf16FlyString> m_associated_property;
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RefPtr<StyleValue const> m_source_value;
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};
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}
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