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style: Optimize serialization of identifiers of length <= 16 🐉🐲

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Much like we optimize to_ascii_lowercase.

This also fixes a bug in Servo where attr() rules with an unknown namespace
prefix are parsed, which is wrong.
This commit is contained in:
Emilio Cobos Álvarez 2018-02-07 15:14:10 +01:00
parent e57319a734
commit f4c9c598a3
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GPG key ID: 056B727BB9C1027C
13 changed files with 96 additions and 65 deletions
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6
components/style/values/generics/image.rs
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@ -7,11 +7,11 @@
//! [images]: https://drafts.csswg.org/css-images/#image-values
use Atom;
use cssparser::serialize_identifier;
use custom_properties;
use servo_arc::Arc;
use std::fmt::{self, Write};
use style_traits::{CssWriter, ToCss};
use values::serialize_atom_identifier;
/// An [image].
///
@ -151,7 +151,7 @@ impl ToCss for PaintWorklet {
W: Write,
{
dest.write_str("paint(")?;
serialize_identifier(&*self.name.to_string(), dest)?;
serialize_atom_identifier(&self.name, dest)?;
for argument in &self.arguments {
dest.write_str(", ")?;
argument.to_css(dest)?;
@ -200,7 +200,7 @@ impl<G, R, U> ToCss for Image<G, R, U>
Image::PaintWorklet(ref paint_worklet) => paint_worklet.to_css(dest),
Image::Element(ref selector) => {
dest.write_str("-moz-element(#")?;
serialize_identifier(&selector.to_string(), dest)?;
serialize_atom_identifier(selector, dest)?;
dest.write_str(")")
},
}