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Introduce an NthIndexCache type and pipe it from ThreadLocalStyleContext to MatchingContext.

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Some future refactoring here to pass fewer things as parameters would be nice.
This commit is contained in:
Bobby Holley 2017-09-20 12:43:29 -07:00
parent 05c03d5104
commit 48466bf876
11 changed files with 83 additions and 24 deletions
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7
components/script/dom/node.rs
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@ -363,7 +363,9 @@ impl<'a> Iterator for QuerySelectorIterator {
self.iterator.by_ref().filter_map(|node| {
// TODO(cgaebel): Is it worth it to build a bloom filter here
// (instead of passing `None`)? Probably.
let mut ctx = MatchingContext::new(MatchingMode::Normal, None,
//
// FIXME(bholley): Consider an nth-index cache here.
let mut ctx = MatchingContext::new(MatchingMode::Normal, None, None,
node.owner_doc().quirks_mode());
if let Some(element) = Root::downcast(node) {
if matches_selector_list(selectors, &element, &mut ctx) {
@ -754,7 +756,8 @@ impl Node {
Err(_) => Err(Error::Syntax),
// Step 3.
Ok(selectors) => {
let mut ctx = MatchingContext::new(MatchingMode::Normal, None,
// FIXME(bholley): Consider an nth-index cache here.
let mut ctx = MatchingContext::new(MatchingMode::Normal, None, None,
self.owner_doc().quirks_mode());
Ok(self.traverse_preorder().filter_map(Root::downcast).find(|element| {
matches_selector_list(&selectors, element, &mut ctx)