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LibWeb: Implement Element.getAttributeNames

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Luke Wilde 2021-12-29 13:02:21 +00:00 • committed by Andreas Kling
parent 6b39c6b1bf
commit 4427386d5f
3 changed files with 14 additions and 0 deletions
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12
Userland/Libraries/LibWeb/DOM/Element.cpp
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@ -109,6 +109,18 @@ bool Element::has_attribute(const FlyString& name) const
return m_attributes->get_attribute(name) != nullptr; return m_attributes->get_attribute(name) != nullptr;
} }
// https://dom.spec.whatwg.org/#dom-element-getattributenames
Vector<String> Element::get_attribute_names() const
{
// The getAttributeNames() method steps are to return the qualified names of the attributes in this’s attribute list, in order; otherwise a new list.
Vector<String> names;
for (size_t i = 0; i < m_attributes->length(); ++i) {
auto const* attribute = m_attributes->item(i);
names.append(attribute->name());
}
return names;
}
bool Element::has_class(const FlyString& class_name, CaseSensitivity case_sensitivity) const bool Element::has_class(const FlyString& class_name, CaseSensitivity case_sensitivity) const
{ {
return any_of(m_classes, [&](auto& it) { return any_of(m_classes, [&](auto& it) {

1
Userland/Libraries/LibWeb/DOM/Element.h
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@ -57,6 +57,7 @@ public:
void remove_attribute(const FlyString& name); void remove_attribute(const FlyString& name);
size_t attribute_list_size() const { return m_attributes->length(); } size_t attribute_list_size() const { return m_attributes->length(); }
NonnullRefPtr<NamedNodeMap> const& attributes() const { return m_attributes; } NonnullRefPtr<NamedNodeMap> const& attributes() const { return m_attributes; }
Vector<String> get_attribute_names() const;
RefPtr<DOMTokenList> const& class_list(); RefPtr<DOMTokenList> const& class_list();

1
Userland/Libraries/LibWeb/DOM/Element.idl
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@ -10,6 +10,7 @@ interface Element : Node {
boolean hasAttribute(DOMString qualifiedName); boolean hasAttribute(DOMString qualifiedName);
boolean hasAttributes(); boolean hasAttributes();
[SameObject] readonly attribute NamedNodeMap attributes; [SameObject] readonly attribute NamedNodeMap attributes;
sequence<DOMString> getAttributeNames();
HTMLCollection getElementsByTagName(DOMString tagName); HTMLCollection getElementsByTagName(DOMString tagName);
HTMLCollection getElementsByTagNameNS(DOMString? namespace, DOMString localName); HTMLCollection getElementsByTagNameNS(DOMString? namespace, DOMString localName);