60e35f2a97
This provides a rough implementation of the CSS @namespace rule. Currently we just support default namespaces, namespace prefixes are still to come.
59 lines
1.9 KiB
C++
59 lines
1.9 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/WebIDL/ExceptionOr.h>
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namespace Web::CSS {
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CSSNamespaceRule::CSSNamespaceRule(JS::Realm& realm, Optional<StringView> prefix, StringView namespace_uri)
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: CSSRule(realm)
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, m_namespace_uri(namespace_uri)
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, m_prefix(prefix.has_value() ? prefix.value() : ""sv)
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{
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}
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WebIDL::ExceptionOr<JS::NonnullGCPtr<CSSNamespaceRule>> CSSNamespaceRule::create(JS::Realm& realm, Optional<AK::StringView> prefix, AK::StringView namespace_uri)
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{
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return MUST_OR_THROW_OOM(realm.heap().allocate<CSSNamespaceRule>(realm, realm, prefix, namespace_uri));
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}
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JS::ThrowCompletionOr<void> CSSNamespaceRule::initialize(JS::Realm& realm)
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{
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MUST_OR_THROW_OOM(Base::initialize(realm));
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set_prototype(&Bindings::ensure_web_prototype<Bindings::CSSNamespaceRulePrototype>(realm, "CSSNamespaceRule"));
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return {};
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}
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// https://www.w3.org/TR/cssom/#serialize-a-css-rule
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DeprecatedString 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() && !m_prefix.is_null()) {
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builder.append(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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builder.append(m_namespace_uri);
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// followed the character ";" (U+003B).
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builder.append(";"sv);
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return builder.to_deprecated_string();
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}
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}
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