Track only the number of important declarations in a declaration block

This commit is contained in:
Christian Sonne 2016-08-22 14:05:09 +02:00
parent daee53cb76
commit 908b9627a2
5 changed files with 8 additions and 33 deletions

View file

@ -162,8 +162,8 @@ impl Stylist {
// Take apart the StyleRule into individual Rules and insert
// them into the SelectorMap of that priority.
macro_rules! append(
($style_rule: ident, $priority: ident, $importance: expr, $count: ident) => {
if $style_rule.declarations.$count > 0 {
($style_rule: ident, $priority: ident, $importance: expr, $count: expr) => {
if $count > 0 {
for selector in &$style_rule.selectors {
let map = if let Some(ref pseudo) = selector.pseudo_element {
self.pseudos_map
@ -191,6 +191,8 @@ impl Stylist {
for rule in stylesheet.effective_rules(&self.device) {
match *rule {
CSSRule::Style(ref style_rule) => {
let important_count = style_rule.declarations.important_count;
let normal_count = style_rule.declarations.declarations.len() as u32 - important_count;
append!(style_rule, normal, Importance::Normal, normal_count);
append!(style_rule, important, Importance::Important, important_count);
rules_source_order += 1;
@ -394,7 +396,7 @@ impl Stylist {
// Step 4: Normal style attributes.
if let Some(ref sa) = style_attribute {
if sa.normal_count > 0 {
if sa.declarations.len() as u32 - sa.important_count > 0 {
relations |= AFFECTED_BY_STYLE_ATTRIBUTE;
Push::push(
applicable_declarations,