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LibWeb: Implement :any-link and :local-link pseudo-class selectors

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`:any-link` matches links, whether they have been visited or not.

`:local-link` matches links to the current URL.
This commit is contained in:
Sam Atkins 2023-08-22 15:24:12 +01:00 • committed by Andreas Kling
parent eb8f7b303c
commit 3af8b491b4
7 changed files with 41 additions and 0 deletions
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17
Userland/Libraries/LibWeb/CSS/SelectorEngine.cpp
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@ -213,7 +213,24 @@ static inline bool matches_pseudo_class(CSS::Selector::SimpleSelector::PseudoCla
{
switch (pseudo_class.type) {
case CSS::PseudoClass::Link:
case CSS::PseudoClass::AnyLink:
// NOTE: AnyLink should match whether the link is visited or not, so if we ever start matching
// :visited, we'll need to handle these differently.
return matches_link_pseudo_class(element);
case CSS::PseudoClass::LocalLink: {
// The :local-link pseudo-class allows authors to style hyperlinks based on the users current location
// within a site. It represents an element that is the source anchor of a hyperlink whose target’s
// absolute URL matches the element’s own document URL. If the hyperlink’s target includes a fragment
// URL, then the fragment URL of the current URL must also match; if it does not, then the fragment
// URL portion of the current URL is not taken into account in the comparison.
if (!matches_link_pseudo_class(element))
return false;
auto document_url = element.document().url();
AK::URL target_url = element.document().parse_url(element.attribute(HTML::AttributeNames::href));
if (target_url.fragment().has_value())
return document_url.equals(target_url, AK::URL::ExcludeFragment::No);
return document_url.equals(target_url, AK::URL::ExcludeFragment::Yes);
}
case CSS::PseudoClass::Visited:
// FIXME: Maybe match this selector sometimes?
return false;