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LibWeb: Use cached element name and id where possible

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Instead of looking up in the named node map, we can simply use the
cached name and ID on the element.
This commit is contained in:
Shannon Booth 2024-01-13 20:12:25 +13:00 • committed by Andreas Kling
parent 41f84deb9f
commit 0695236408
11 changed files with 30 additions and 36 deletions
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4
Userland/Libraries/LibWeb/DOM/Document.cpp
View file

@ -1285,7 +1285,7 @@ JS::NonnullGCPtr<HTMLCollection> Document::anchors()
{
if (!m_anchors) {
m_anchors = HTMLCollection::create(*this, HTMLCollection::Scope::Descendants, [](Element const& element) {
return is<HTML::HTMLAnchorElement>(element) && element.has_attribute(HTML::AttributeNames::name);
return is<HTML::HTMLAnchorElement>(element) && element.name().has_value();
});
}
return *m_anchors;
@ -1828,7 +1828,7 @@ Element* Document::find_a_potential_indicated_element(FlyString const& fragment)
// whose value is equal to fragment, then return the first such element in tree order.
Element* element_with_name = nullptr;
root().for_each_in_subtree_of_type<Element>([&](Element const& element) {
if (element.attribute(HTML::AttributeNames::name) == fragment) {
if (element.name() == fragment) {
element_with_name = const_cast<Element*>(&element);
return IterationDecision::Break;
}

10
Userland/Libraries/LibWeb/DOM/HTMLCollection.cpp
View file

@ -118,12 +118,10 @@ Vector<FlyString> HTMLCollection::supported_property_names() const
}
// 2. If element is in the HTML namespace and has a name attribute whose value is neither the empty string nor is in result, append element’s name attribute value to result.
if (element->namespace_uri() == Namespace::HTML) {
if (auto maybe_name = element->attribute(HTML::AttributeNames::name); maybe_name.has_value()) {
auto name = maybe_name.release_value();
if (!name.is_empty() && !result.contains_slow(name))
result.append(name);
}
if (element->namespace_uri() == Namespace::HTML && element->name().has_value()) {
auto name = element->name().value();
if (!name.is_empty() && !result.contains_slow(name))
result.append(move(name));
}
}

4
Userland/Libraries/LibWeb/DOM/Node.cpp
View file

@ -1481,8 +1481,8 @@ String Node::debug_description() const
builder.append(node_name().to_deprecated_fly_string().to_lowercase());
if (is_element()) {
auto const& element = static_cast<DOM::Element const&>(*this);
if (auto id = element.get_attribute(HTML::AttributeNames::id); id.has_value())
builder.appendff("#{}", id.value());
if (element.id().has_value())
builder.appendff("#{}", element.id().value());
for (auto const& class_name : element.class_names())
builder.appendff(".{}", class_name);
}