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Implement the correct ToCss for UrlSource.

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This commit is contained in:
Xidorn Quan 2018-04-04 08:43:41 +10:00
parent d0a9fdb92b
commit 0332674909
1 changed files with 19 additions and 2 deletions
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21
components/style/font_face.rs
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@ -24,6 +24,7 @@ use std::fmt::{self, Write};
use str::CssStringWriter;
use style_traits::{Comma, CssWriter, OneOrMoreSeparated, ParseError};
use style_traits::{StyleParseErrorKind, ToCss};
use style_traits::values::SequenceWriter;
use values::computed::font::FamilyName;
#[cfg(feature = "gecko")]
use values::specified::font::{SpecifiedFontFeatureSettings, SpecifiedFontVariationSettings};
@ -49,15 +50,31 @@ impl OneOrMoreSeparated for Source {
///
/// <https://drafts.csswg.org/css-fonts/#src-desc>
#[cfg_attr(feature = "servo", derive(Deserialize, Serialize))]
#[derive(Clone, Debug, Eq, PartialEq, ToCss)]
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct UrlSource {
/// The specified url.
pub url: SpecifiedUrl,
/// The format hints specified with the `format()` function.
#[css(skip)]
pub format_hints: Vec<String>,
}
impl ToCss for UrlSource {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result where W: fmt::Write {
self.url.to_css(dest)?;
if !self.format_hints.is_empty() {
dest.write_str(" format(")?;
{
let mut writer = SequenceWriter::new(dest, ", ");
for hint in self.format_hints.iter() {
writer.item(hint)?;
}
}
dest.write_char(')')?;
}
Ok(())
}
}
/// A font-display value for a @font-face rule.
/// The font-display descriptor determines how a font face is displayed based
/// on whether and when it is downloaded and ready to use.