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Add basic CSSOM support for @import rule.

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This commit is contained in:
Xidorn Quan 2017-05-30 09:33:40 +10:00
parent 939716a7bc
commit 33deafba12
2 changed files with 22 additions and 5 deletions
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12
components/style/stylesheets.rs
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@ -633,6 +633,9 @@ pub struct ImportRule {
/// It contains an empty list of rules and namespace set that is updated
/// when it loads.
pub stylesheet: Arc<Stylesheet>,
/// The line and column of the rule's source code.
pub source_location: SourceLocation,
}
impl Clone for ImportRule {
@ -641,6 +644,7 @@ impl Clone for ImportRule {
ImportRule {
url: self.url.clone(),
stylesheet: Arc::new(stylesheet.clone()),
source_location: self.source_location.clone(),
}
}
}
@ -1530,6 +1534,8 @@ impl<'a> AtRuleParser for TopLevelRuleParser<'a> {
fn parse_prelude(&mut self, name: &str, input: &mut Parser)
-> Result<AtRuleType<AtRulePrelude, CssRule>, ()> {
let location = get_location_with_offset(input.current_source_location(),
self.context.line_number_offset);
match_ignore_ascii_case! { name,
"import" => {
if self.state.get() <= State::Imports {
@ -1561,7 +1567,8 @@ impl<'a> AtRuleParser for TopLevelRuleParser<'a> {
dirty_on_viewport_size_change: AtomicBool::new(false),
disabled: AtomicBool::new(false),
quirks_mode: self.context.quirks_mode,
})
}),
source_location: location,
}
}, &mut |import_rule| {
Arc::new(self.shared_lock.wrap(import_rule))
@ -1576,9 +1583,6 @@ impl<'a> AtRuleParser for TopLevelRuleParser<'a> {
if self.state.get() <= State::Namespaces {
self.state.set(State::Namespaces);
let location = get_location_with_offset(input.current_source_location(),
self.context.line_number_offset);
let prefix_result = input.try(|input| input.expect_ident());
let url = Namespace::from(try!(input.expect_url_or_string()));