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Invert the order of each compound selector.

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MozReview-Commit-ID: JkBjqyYgbrB
This commit is contained in:
Bobby Holley 2017-06-16 12:42:47 -07:00
parent 1fc1d64e80
commit 1104cdc580
3 changed files with 280 additions and 77 deletions
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33
components/selectors/matching.rs
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@ -460,24 +460,27 @@ pub fn matches_complex_selector<E, F>(mut iter: SelectorIter<E::Impl>,
}
}
// If this is the special pseudo-element mode, consume the ::pseudo-element
// before proceeding, since the caller has already handled that part.
if context.shared.matching_mode == MatchingMode::ForStatelessPseudoElement {
match *iter.next().unwrap() {
// Stateful pseudo, just don't match.
Component::NonTSPseudoClass(..) => return false,
Component::PseudoElement(..) => {
// Pseudo, just eat the whole sequence.
let next = iter.next();
debug_assert!(next.is_none(),
"Someone messed up pseudo-element parsing?");
// Consume the pseudo.
let pseudo = iter.next().unwrap();
debug_assert!(matches!(*pseudo, Component::PseudoElement(..)),
"Used MatchingMode::ForStatelessPseudoElement in a non-pseudo selector");
if iter.next_sequence().is_none() {
return true;
}
// Inform the context that the we've advanced to the next compound selector.
context.note_next_sequence(&mut iter);
}
_ => panic!("Used MatchingMode::ForStatelessPseudoElement in a non-pseudo selector"),
// The only other parser-allowed Component in this sequence is a state
// class. We just don't match in that case.
if let Some(s) = iter.next() {
debug_assert!(matches!(*s, Component::NonTSPseudoClass(..)),
"Someone messed up pseudo-element parsing");
return false;
}
// Advance to the non-pseudo-element part of the selector, and inform the context.
if iter.next_sequence().is_none() {
return true;
}
context.note_next_sequence(&mut iter);
}
match matches_complex_selector_internal(iter,