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script: Move extended_filtering to the style crate.
We'll need to call it from the style crate in later patches, when matching :lang() against element snapshots.
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07b0770d21
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4 changed files with 69 additions and 64 deletions
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@ -26,7 +26,7 @@ use dom::bindings::js::{JS, LayoutJS, MutNullableJS};
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use dom::bindings::js::{Root, RootedReference};
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use dom::bindings::refcounted::{Trusted, TrustedPromise};
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use dom::bindings::reflector::DomObject;
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use dom::bindings::str::{DOMString, extended_filtering};
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use dom::bindings::str::DOMString;
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use dom::bindings::xmlname::{namespace_from_domstring, validate_and_extract, xml_name_type};
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use dom::bindings::xmlname::XMLName::InvalidXMLName;
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use dom::characterdata::CharacterData;
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@ -106,6 +106,7 @@ use style::properties::longhands::{self, background_image, border_spacing, font_
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use style::restyle_hints::RestyleHint;
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use style::rule_tree::CascadeLevel;
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use style::selector_parser::{NonTSPseudoClass, PseudoElement, RestyleDamage, SelectorImpl, SelectorParser};
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use style::selector_parser::extended_filtering;
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use style::shared_lock::{SharedRwLock, Locked};
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use style::sink::Push;
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use style::stylearc::Arc;
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@ -2464,8 +2465,10 @@ impl<'a> ::selectors::Element for Root<Element> {
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.map_or(false, |attr| attr.value().eq(expected_value))
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}
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// FIXME(#15746): This is wrong, we need to instead use extended filtering as per RFC4647
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// https://tools.ietf.org/html/rfc4647#section-3.3.2
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// FIXME(heycam): This is wrong, since extended_filtering accepts
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// a string containing commas (separating each language tag in
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// a list) but the pseudo-class instead should be parsing and
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// storing separate <ident> or <string>s for each language tag.
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NonTSPseudoClass::Lang(ref lang) => extended_filtering(&*self.get_lang(), &*lang),
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NonTSPseudoClass::ReadOnly =>
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