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Selector matching: tweak variable naming, add comments.

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This commit is contained in:
Simon Sapin 2013-10-02 01:37:03 +01:00
parent 02364d7db7
commit 284770aa02
1 changed files with 7 additions and 6 deletions
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13
src/components/script/style/selector_matching.rs
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@ -44,8 +44,8 @@ impl Stylist {
AuthorOrigin => &mut self.author_rules, AuthorOrigin => &mut self.author_rules,
UserOrigin => &mut self.user_rules, UserOrigin => &mut self.user_rules,
}; };
let mut has_normal_declarations = false; let mut added_normal_declarations = false;
let mut has_important_declarations = false; let mut added_important_declarations = false;
macro_rules! append( macro_rules! append(
($priority: ident, $flag: ident) => { ($priority: ident, $flag: ident) => {
@ -63,15 +63,16 @@ impl Stylist {
let device = &Device { media_type: Screen }; // TODO, use Print when printing let device = &Device { media_type: Screen }; // TODO, use Print when printing
for style_rule in stylesheet.iter_style_rules(device) { for style_rule in stylesheet.iter_style_rules(device) {
append!(normal, has_normal_declarations); append!(normal, added_normal_declarations);
append!(important, has_important_declarations); append!(important, added_important_declarations);
} }
// These sorts need to be stable // These sorts need to be stable
if has_normal_declarations { // Do not sort already-sorted unchanged vectors
if added_normal_declarations {
tim_sort(rules.normal) tim_sort(rules.normal)
} }
if has_important_declarations { if added_important_declarations {
tim_sort(rules.important) tim_sort(rules.important)
} }
} }