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style: Add <keyword>::from_ident helper to avoid tokenizing the same value multiple times.

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Emilio Cobos Álvarez 2017-03-26 18:11:02 +02:00
parent c2d9f663af
commit a5436e9091
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1 changed files with 6 additions and 1 deletions
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7
components/style_traits/values.rs
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@ -117,7 +117,12 @@ macro_rules! __define_css_keyword_enum__actual {
/// Parse this property from a CSS input stream. /// Parse this property from a CSS input stream.
pub fn parse(input: &mut ::cssparser::Parser) -> Result<$name, ()> { pub fn parse(input: &mut ::cssparser::Parser) -> Result<$name, ()> {
let ident = input.expect_ident()?; let ident = input.expect_ident()?;
match_ignore_ascii_case! { &ident, Self::from_ident(&ident)
}
/// Parse this property from an already-tokenized identifier.
pub fn from_ident(ident: &str) -> Result<$name, ()> {
match_ignore_ascii_case! { ident,
$( $css => Ok($name::$variant), )+ $( $css => Ok($name::$variant), )+
_ => Err(()) _ => Err(())
} }