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style: Shrink selectors::Component to 24 bytes.

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This saves about 37 KiB of memory across the UA style sheets.

Bug: 1475197
Reviewed-by: emilio
This commit is contained in:
Cameron McCormack 2018-07-16 12:15:47 +10:00 • committed by Emilio Cobos Álvarez
parent b05ace3e4a
commit 62419adaaa
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GPG key ID: 056B727BB9C1027C
12 changed files with 96 additions and 50 deletions
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12
components/selectors/attr.rs
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@ -7,20 +7,20 @@ use parser::SelectorImpl;
use std::fmt;
#[derive(Clone, Eq, PartialEq)]
pub struct AttrSelectorWithNamespace<Impl: SelectorImpl> {
pub namespace: NamespaceConstraint<(Impl::NamespacePrefix, Impl::NamespaceUrl)>,
pub struct AttrSelectorWithOptionalNamespace<Impl: SelectorImpl> {
pub namespace: Option<NamespaceConstraint<(Impl::NamespacePrefix, Impl::NamespaceUrl)>>,
pub local_name: Impl::LocalName,
pub local_name_lower: Impl::LocalName,
pub operation: ParsedAttrSelectorOperation<Impl::AttrValue>,
pub never_matches: bool,
}
impl<Impl: SelectorImpl> AttrSelectorWithNamespace<Impl> {
pub fn namespace(&self) -> NamespaceConstraint<&Impl::NamespaceUrl> {
match self.namespace {
impl<Impl: SelectorImpl> AttrSelectorWithOptionalNamespace<Impl> {
pub fn namespace(&self) -> Option<NamespaceConstraint<&Impl::NamespaceUrl>> {
self.namespace.as_ref().map(|ns| match ns {
NamespaceConstraint::Any => NamespaceConstraint::Any,
NamespaceConstraint::Specific((_, ref url)) => NamespaceConstraint::Specific(url),
}
})
}
}