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https://github.com/LadybirdBrowser/ladybird.git
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c0d7f748ed
This commit introduces a WEB_SET_PROTOTYPE_FOR_INTERFACE macro that caches the interface name in a local static FlyString. This means that we only pay for FlyString-from-literal lookup once per browser lifetime instead of every time the interface is instantiated.
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/*
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* Copyright (c) 2023, Jonah Shafran <jonahshafran@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Heap/Heap.h>
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#include <LibJS/Runtime/Realm.h>
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#include <LibWeb/Bindings/CSSNamespaceRulePrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/CSS/CSSNamespaceRule.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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JS_DEFINE_ALLOCATOR(CSSNamespaceRule);
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CSSNamespaceRule::CSSNamespaceRule(JS::Realm& realm, Optional<FlyString> prefix, FlyString namespace_uri)
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: CSSRule(realm)
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, m_namespace_uri(move(namespace_uri))
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, m_prefix(prefix.value_or(""_fly_string))
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{
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}
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JS::NonnullGCPtr<CSSNamespaceRule> CSSNamespaceRule::create(JS::Realm& realm, Optional<FlyString> prefix, FlyString namespace_uri)
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{
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return realm.heap().allocate<CSSNamespaceRule>(realm, realm, move(prefix), move(namespace_uri));
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}
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void CSSNamespaceRule::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSNamespaceRule);
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}
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// https://www.w3.org/TR/cssom/#serialize-a-css-rule
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String CSSNamespaceRule::serialized() const
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{
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StringBuilder builder;
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// The literal string "@namespace", followed by a single SPACE (U+0020),
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builder.append("@namespace "sv);
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// followed by the serialization as an identifier of the prefix attribute (if any),
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if (!m_prefix.is_empty()) {
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serialize_an_identifier(builder, m_prefix);
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// followed by a single SPACE (U+0020) if there is a prefix,
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builder.append(" "sv);
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}
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// followed by the serialization as URL of the namespaceURI attribute,
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serialize_a_url(builder, m_namespace_uri);
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// followed the character ";" (U+003B).
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builder.append(";"sv);
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return MUST(builder.to_string());
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}
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}
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