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style: Add code to make part rules affect the style of the elements.

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I still haven't implemented each_part(), so this will do nothing yet.

The cascade order stuff is fishy, I know, and I'll fix in a followup if it's
fine with you. I moved the sorting of the rules to rule_collector, since it
seemed to me it was better that way that duplicating the code, and those
SelectorMap functions only have a single caller anyway.

Differential Revision: https://phabricator.services.mozilla.com/D32647
This commit is contained in:
Emilio Cobos Álvarez 2019-06-11 17:42:41 +00:00
parent 39de0a068e
commit 7139a4185a
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6 changed files with 100 additions and 27 deletions
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10
components/style/selector_map.rs
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@ -182,10 +182,6 @@ impl SelectorMap<Rule> {
let quirks_mode = context.quirks_mode();
// At the end, we're going to sort the rules that we added, so remember
// where we began.
let init_len = matching_rules_list.len();
if rule_hash_target.is_root() {
SelectorMap::get_matching_rules(
element,
@ -259,14 +255,10 @@ impl SelectorMap<Rule> {
cascade_level,
shadow_cascade_order,
);
// Sort only the rules we just added.
matching_rules_list[init_len..]
.sort_unstable_by_key(|block| (block.specificity, block.source_order()));
}
/// Adds rules in `rules` that match `element` to the `matching_rules` list.
fn get_matching_rules<E, F>(
pub (crate) fn get_matching_rules<E, F>(
element: E,
rules: &[Rule],
matching_rules: &mut ApplicableDeclarationList,