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LibWeb: Implement Element.hasAttributeNS

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Particularly needed by xkcd's Right Click comic. https://xkcd.com/1975/
This commit is contained in:
Luke Wilde 2023-08-09 21:31:35 +01:00 • committed by Tim Flynn
parent 3a98c48f20
commit 5694981352
Notes: sideshowbarker 2024-07-16 23:13:25 +09:00
3 changed files with 13 additions and 0 deletions
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11
Userland/Libraries/LibWeb/DOM/Element.cpp
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@ -234,6 +234,17 @@ bool Element::has_attribute(DeprecatedFlyString const& name) const
return m_attributes->get_attribute(name) != nullptr;
}
// https://dom.spec.whatwg.org/#dom-element-hasattributens
bool Element::has_attribute_ns(DeprecatedFlyString namespace_, DeprecatedFlyString const& name) const
{
// 1. If namespace is the empty string, then set it to null.
if (namespace_.is_empty())
namespace_ = {};
// 2. Return true if this has an attribute whose namespace is namespace and local name is localName; otherwise false.
return m_attributes->get_attribute_ns(namespace_, name) != nullptr;
}
// https://dom.spec.whatwg.org/#dom-element-toggleattribute
WebIDL::ExceptionOr<bool> Element::toggle_attribute(DeprecatedFlyString const& name, Optional<bool> force)
{

1
Userland/Libraries/LibWeb/DOM/Element.h
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@ -88,6 +88,7 @@ public:
DeprecatedFlyString const& namespace_uri() const { return namespace_(); }
bool has_attribute(DeprecatedFlyString const& name) const;
bool has_attribute_ns(DeprecatedFlyString namespace_, DeprecatedFlyString const& name) const;
bool has_attributes() const;
DeprecatedString attribute(DeprecatedFlyString const& name) const { return get_attribute(name); }
DeprecatedString get_attribute(DeprecatedFlyString const& name) const;

1
Userland/Libraries/LibWeb/DOM/Element.idl
View file

@ -35,6 +35,7 @@ interface Element : Node {
[CEReactions] undefined removeAttribute(DOMString qualifiedName);
[CEReactions] boolean toggleAttribute(DOMString qualifiedName, optional boolean force);
boolean hasAttribute(DOMString qualifiedName);
boolean hasAttributeNS(DOMString? namespace, DOMString localName);
boolean hasAttributes();
[SameObject] readonly attribute NamedNodeMap attributes;
sequence<DOMString> getAttributeNames();