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style: Define a CascadeLevel enum, and make the rule tree operate on it.

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We'll use this level to know where to stop replacing nodes in the tree.
This commit is contained in:
Emilio Cobos Álvarez 2017-01-29 02:59:54 +01:00
parent 31ecc9b692
commit 314f2ce714
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6 changed files with 144 additions and 64 deletions
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12
tests/unit/style/rule_tree/bench.rs
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@ -11,7 +11,7 @@ use style::error_reporting::ParseErrorReporter;
use style::media_queries::MediaList;
use style::parser::ParserContextExtraData;
use style::properties::{longhands, DeclaredValue, Importance, PropertyDeclaration, PropertyDeclarationBlock};
use style::rule_tree::{RuleTree, StrongRuleNode, StyleSource};
use style::rule_tree::{CascadeLevel, RuleTree, StrongRuleNode, StyleSource};
use style::stylesheets::{Origin, Stylesheet, CssRule};
use test::{self, Bencher};
@ -40,7 +40,7 @@ impl<'a> Drop for AutoGCRuleTree<'a> {
}
}
fn parse_rules(css: &str) -> Vec<(StyleSource, Importance)> {
fn parse_rules(css: &str) -> Vec<(StyleSource, CascadeLevel)> {
let s = Stylesheet::from_str(css,
ServoUrl::parse("http://localhost").unwrap(),
Origin::Author,
@ -57,15 +57,15 @@ fn parse_rules(css: &str) -> Vec<(StyleSource, Importance)> {
_ => None,
}
}).cloned().map(StyleSource::Style).map(|s| {
(s, Importance::Normal)
(s, CascadeLevel::UserNormal)
}).collect()
}
fn test_insertion(rule_tree: &RuleTree, rules: Vec<(StyleSource, Importance)>) -> StrongRuleNode {
fn test_insertion(rule_tree: &RuleTree, rules: Vec<(StyleSource, CascadeLevel)>) -> StrongRuleNode {
rule_tree.insert_ordered_rules(rules.into_iter())
}
fn test_insertion_style_attribute(rule_tree: &RuleTree, rules: &[(StyleSource, Importance)]) -> StrongRuleNode {
fn test_insertion_style_attribute(rule_tree: &RuleTree, rules: &[(StyleSource, CascadeLevel)]) -> StrongRuleNode {
let mut rules = rules.to_vec();
rules.push((StyleSource::Declarations(Arc::new(RwLock::new(PropertyDeclarationBlock {
declarations: vec![
@ -74,7 +74,7 @@ fn test_insertion_style_attribute(rule_tree: &RuleTree, rules: &[(StyleSource, I
Importance::Normal),
],
important_count: 0,
}))), Importance::Normal));
}))), CascadeLevel::UserNormal));
test_insertion(rule_tree, rules)
}