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Impl to_css for KeyframeSelector.

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This commit is contained in:
Xidorn Quan 2017-05-19 13:25:02 +10:00
parent 0ad0641872
commit 1c865ddc3c
1 changed files with 14 additions and 7 deletions
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21
components/style/keyframes.rs
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@ -73,6 +73,19 @@ impl KeyframePercentage {
/// converted at parse time to percentages.
#[derive(Debug, PartialEq)]
pub struct KeyframeSelector(Vec<KeyframePercentage>);
impl ToCss for KeyframeSelector {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
let mut iter = self.0.iter();
iter.next().unwrap().to_css(dest)?;
for percentage in iter {
write!(dest, ", ")?;
percentage.to_css(dest)?;
}
Ok(())
}
}
impl KeyframeSelector {
/// Return the list of percentages this selector contains.
#[inline]
@ -108,12 +121,7 @@ pub struct Keyframe {
impl ToCssWithGuard for Keyframe {
fn to_css<W>(&self, guard: &SharedRwLockReadGuard, dest: &mut W) -> fmt::Result
where W: fmt::Write {
let mut iter = self.selector.percentages().iter();
try!(iter.next().unwrap().to_css(dest));
for percentage in iter {
try!(write!(dest, ", "));
try!(percentage.to_css(dest));
}
self.selector.to_css(dest)?;
try!(dest.write_str(" { "));
try!(self.block.read_with(guard).to_css(dest));
try!(dest.write_str(" }"));
@ -121,7 +129,6 @@ impl ToCssWithGuard for Keyframe {
}
}
impl Keyframe {
/// Parse a CSS keyframe.
pub fn parse(css: &str, parent_stylesheet: &Stylesheet)