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Add a separate NamespaceRule type

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This commit is contained in:
Simon Sapin 2016-08-25 15:46:03 +02:00
parent a5a3a74262
commit 94d5b28fe9
2 changed files with 18 additions and 14 deletions
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26
components/style/stylesheets.rs
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@ -67,11 +67,7 @@ pub enum CSSRule {
// No Charset here, CSSCharsetRule has been removed from CSSOM
// https://drafts.csswg.org/cssom/#changes-from-5-december-2013
Namespace {
/// `None` for the default Namespace
prefix: Option<Atom>,
url: Namespace,
},
Namespace(NamespaceRule),
Style(StyleRule),
Media(MediaRule),
FontFace(FontFaceRule),
@ -80,6 +76,14 @@ pub enum CSSRule {
}
#[derive(Debug, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
pub struct NamespaceRule {
/// `None` for the default Namespace
pub prefix: Option<Atom>,
pub url: Namespace,
}
#[derive(Debug, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
pub struct KeyframesRule {
@ -156,13 +160,13 @@ impl Stylesheet {
while let Some(result) = iter.next() {
match result {
Ok(rule) => {
if let CSSRule::Namespace { ref prefix, ref url } = rule {
if let Some(prefix) = prefix.as_ref() {
if let CSSRule::Namespace(ref rule) = rule {
if let Some(ref prefix) = rule.prefix {
iter.parser.context.selector_context.namespace_prefixes.insert(
prefix.clone(), url.clone());
prefix.clone(), rule.url.clone());
} else {
iter.parser.context.selector_context.default_namespace =
Some(url.clone());
Some(rule.url.clone());
}
}
@ -440,10 +444,10 @@ impl<'a> AtRuleParser for TopLevelRuleParser<'a> {
let prefix = input.try(|input| input.expect_ident()).ok().map(|p| p.into());
let url = Namespace(Atom::from(try!(input.expect_url_or_string())));
return Ok(AtRuleType::WithoutBlock(CSSRule::Namespace {
return Ok(AtRuleType::WithoutBlock(CSSRule::Namespace(NamespaceRule {
prefix: prefix,
url: url,
}))
})))
} else {
return Err(()) // "@namespace must be before any rule but @charset and @import"
}