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style: Implement complex :not().

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This fixes the failures in bug 1671573 and just works thanks to the
invalidation improvements I did for :is / :where.

Added a couple tests for invalidation which is the tricky bit. 001 is a
very straight-forward test, 002 is the :is test but with :is() replaced
by double-:not().

This also fixes default namespaces inside :is() / :where(), which are
supposed to get ignored, but aren't. Added tests for that and for the
pre-existing :not() behavior which Chrome doesn't quite get right.

Differential Revision: https://phabricator.services.mozilla.com/D94142
This commit is contained in:
Emilio Cobos Álvarez 2020-10-29 18:03:54 +00:00
parent 7e6d70f314
commit 191d5226a3
6 changed files with 107 additions and 168 deletions
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7
components/selectors/builder.rs
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@ -326,7 +326,7 @@ where
Component::NonTSPseudoClass(..) => {
specificity.class_like_selectors += 1;
},
Component::Is(ref list) => {
Component::Negation(ref list) | Component::Is(ref list) => {
// https://drafts.csswg.org/selectors/#specificity-rules:
//
// The specificity of an :is() pseudo-class is replaced by the
@ -346,11 +346,6 @@ where
Component::Namespace(..) => {
// Does not affect specificity
},
Component::Negation(ref negated) => {
for ss in negated.iter() {
simple_selector_specificity(&ss, specificity);
}
},
}
}