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style: Derive ToCss for values::generics::font::KeywordSize.

Browse source 
Bug: 1434130
Reviewed-by: emilio
MozReview-Commit-ID: 9ek3PcqYiU3
This commit is contained in:
Xidorn Quan 2018-04-29 09:03:31 +10:00 • committed by Emilio Cobos Álvarez
parent 54d8863e60
commit e50847666c
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GPG key ID: 056B727BB9C1027C
1 changed files with 4 additions and 25 deletions
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29
components/style/values/generics/font.rs
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@ -187,18 +187,21 @@ impl<Length> SpecifiedValueInfo for KeywordInfo<Length> {
/// CSS font keywords /// CSS font keywords
#[derive(Animate, Clone, ComputeSquaredDistance, Copy, Debug, MallocSizeOf, PartialEq, #[derive(Animate, Clone, ComputeSquaredDistance, Copy, Debug, MallocSizeOf, PartialEq,
ToAnimatedValue, ToAnimatedZero, SpecifiedValueInfo)] SpecifiedValueInfo, ToAnimatedValue, ToAnimatedZero, ToCss)]
#[allow(missing_docs)] #[allow(missing_docs)]
pub enum KeywordSize { pub enum KeywordSize {
#[css(keyword = "xx-small")]
XXSmall, XXSmall,
XSmall, XSmall,
Small, Small,
Medium, Medium,
Large, Large,
XLarge, XLarge,
#[css(keyword = "xx-large")]
XXLarge, XXLarge,
// This is not a real font keyword and will not parse // This is not a real font keyword and will not parse
// HTML font-size 7 corresponds to this value // HTML font-size 7 corresponds to this value
#[css(skip)]
XXXLarge, XXXLarge,
} }
@ -216,30 +219,6 @@ impl Default for KeywordSize {
} }
} }
impl ToCss for KeywordSize {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result
where
W: Write,
{
dest.write_str(match *self {
KeywordSize::XXSmall => "xx-small",
KeywordSize::XSmall => "x-small",
KeywordSize::Small => "small",
KeywordSize::Medium => "medium",
KeywordSize::Large => "large",
KeywordSize::XLarge => "x-large",
KeywordSize::XXLarge => "xx-large",
KeywordSize::XXXLarge => {
debug_assert!(
false,
"We should never serialize specified values set via HTML presentation attributes"
);
"-servo-xxx-large"
},
})
}
}
/// A generic value for the `font-style` property. /// A generic value for the `font-style` property.
/// ///
/// https://drafts.csswg.org/css-fonts-4/#font-style-prop /// https://drafts.csswg.org/css-fonts-4/#font-style-prop