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style: Simplify some attr() parsing code.

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Emilio Cobos Álvarez 2017-06-02 12:51:33 +02:00
parent d6e703a9e9
commit 26ef0f6178
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1 changed files with 20 additions and 19 deletions
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39
components/style/values/specified/mod.rs
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@ -1425,27 +1425,28 @@ impl Attr {
let first = input.try(|i| i.expect_ident()).ok();
if let Ok(token) = input.try(|i| i.next_including_whitespace()) {
match token {
Token::Delim('|') => {
// must be followed by an ident
let second_token = match input.next_including_whitespace()? {
Token::Ident(second) => second,
_ => return Err(()),
};
let ns_with_id = if let Some(ns) = first {
let ns: Namespace = ns.into();
let id = get_id_for_namespace(&ns, context)?;
Some((ns, id))
} else {
None
};
return Ok(Attr {
namespace: ns_with_id,
attribute: second_token.into_owned(),
})
}
_ => return Err(())
Token::Delim('|') => {}
_ => return Err(()),
}
// must be followed by an ident
let second_token = match input.next_including_whitespace()? {
Token::Ident(second) => second,
_ => return Err(()),
};
let ns_with_id = if let Some(ns) = first {
let ns: Namespace = ns.into();
let id = get_id_for_namespace(&ns, context)?;
Some((ns, id))
} else {
None
};
return Ok(Attr {
namespace: ns_with_id,
attribute: second_token.into_owned(),
})
}
if let Some(first) = first {
Ok(Attr {
namespace: None,