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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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3
components/style/values/computed/font.rs
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@ -461,6 +461,7 @@ impl SingleFontFamily {
/// Get the corresponding font-family with family name
fn from_font_family_name(family: &structs::FontFamilyName) -> SingleFontFamily {
use gecko_bindings::structs::FontFamilyType;
use values::serialize_atom_identifier;
match family.mType {
FontFamilyType::eFamily_sans_serif => SingleFontFamily::Generic(atom!("sans-serif")),
@ -472,7 +473,7 @@ impl SingleFontFamily {
FontFamilyType::eFamily_named => {
let name = Atom::from(&*family.mName);
let mut serialization = String::new();
serialize_identifier(&name.to_string(), &mut serialization).unwrap();
serialize_atom_identifier(&name, &mut serialization).unwrap();
SingleFontFamily::FamilyName(FamilyName {
name: name.clone(),
syntax: FamilyNameSyntax::Identifiers(serialization),