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a93c6a347f
CSSStyleValue is adjusted to allow for subclasses. Serialization for CSSKeywordValue is implemented differently than the spec says because of a spec bug: https://github.com/w3c/csswg-drafts/issues/12545
66 lines
2.2 KiB
C++
66 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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#include "CSSKeywordValue.h"
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#include <LibWeb/Bindings/CSSKeywordValuePrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/CSS/Serialize.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::CSS {
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GC_DEFINE_ALLOCATOR(CSSKeywordValue);
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GC::Ref<CSSKeywordValue> CSSKeywordValue::create(JS::Realm& realm, FlyString value)
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{
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return realm.create<CSSKeywordValue>(realm, move(value));
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#dom-csskeywordvalue-csskeywordvalue
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WebIDL::ExceptionOr<GC::Ref<CSSKeywordValue>> CSSKeywordValue::construct_impl(JS::Realm& realm, FlyString value)
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{
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// 1. If value is an empty string, throw a TypeError.
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if (value.is_empty())
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return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "Cannot create a CSSKeywordValue with an empty string as the value"sv };
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// 2. Otherwise, return a new CSSKeywordValue with its value internal slot set to value.
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return CSSKeywordValue::create(realm, move(value));
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}
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CSSKeywordValue::CSSKeywordValue(JS::Realm& realm, FlyString value)
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: CSSStyleValue(realm)
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, m_value(move(value))
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{
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}
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void CSSKeywordValue::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSKeywordValue);
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Base::initialize(realm);
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#dom-csskeywordvalue-value
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WebIDL::ExceptionOr<void> CSSKeywordValue::set_value(FlyString value)
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{
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// 1. If value is an empty string, throw a TypeError.
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if (value.is_empty())
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return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "Cannot set CSSKeywordValue.value to an empty string"sv };
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// 2. Otherwise, set this’s value internal slot, to value.
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m_value = move(value);
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return {};
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#keywordvalue-serialization
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String CSSKeywordValue::to_string() const
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{
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// To serialize a CSSKeywordValue this:
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// 1. Return this’s value internal slot.
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// AD-HOC: Serialize it as an identifier. Spec issue: https://github.com/w3c/csswg-drafts/issues/12545
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return serialize_an_identifier(m_value);
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}
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}
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