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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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5
components/style/stylesheets/font_feature_values_rule.rs
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@ -8,7 +8,7 @@
use Atom;
use cssparser::{AtRuleParser, AtRuleType, BasicParseErrorKind, DeclarationListParser, DeclarationParser, Parser};
use cssparser::{CowRcStr, RuleListParser, SourceLocation, QualifiedRuleParser, Token, serialize_identifier};
use cssparser::{CowRcStr, RuleListParser, SourceLocation, QualifiedRuleParser, Token};
use error_reporting::{ContextualParseError, ParseErrorReporter};
#[cfg(feature = "gecko")]
use gecko_bindings::bindings::Gecko_AppendFeatureValueHashEntry;
@ -21,6 +21,7 @@ use str::CssStringWriter;
use style_traits::{CssWriter, ParseError, StyleParseErrorKind, ToCss};
use stylesheets::CssRuleType;
use values::computed::font::FamilyName;
use values::serialize_atom_identifier;
/// A @font-feature-values block declaration.
/// It is `<ident>: <integer>+`.
@ -41,7 +42,7 @@ impl<T: ToCss> ToCss for FFVDeclaration<T> {
where
W: Write,
{
serialize_identifier(&self.name.to_string(), dest)?;
serialize_atom_identifier(&self.name, dest)?;
dest.write_str(": ")?;
self.value.to_css(dest)?;
dest.write_str(";")