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style: [css-nesting] Update cssparser to allow parsing qualified rules along with declaration

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No implementation just yet (the default QualifiedRuleParser
implementation just rejects stuff), but this is plumbing that I'd rather
get reviewed separately.

Differential Revision: https://phabricator.services.mozilla.com/D176686
This commit is contained in:
Emilio Cobos Álvarez 2023-04-29 18:21:25 +00:00 • committed by Martin Robinson
parent 93e0711194
commit 6f090b8a85
8 changed files with 76 additions and 25 deletions
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16
components/style/font_face.rs
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@ -16,18 +16,20 @@ use crate::values::computed::font::{FamilyName, FontStretch};
use crate::values::generics::font::FontStyle as GenericFontStyle;
#[cfg(feature = "gecko")]
use crate::values::specified::font::MetricsOverride;
#[cfg(feature = "gecko")]
use crate::values::specified::font::{FontFeatureSettings, FontVariationSettings};
use crate::values::specified::font::SpecifiedFontStyle;
use crate::values::specified::font::{AbsoluteFontWeight, FontStretch as SpecifiedFontStretch};
#[cfg(feature = "gecko")]
use crate::values::specified::font::{FontFeatureSettings, FontVariationSettings};
use crate::values::specified::url::SpecifiedUrl;
use crate::values::specified::Angle;
#[cfg(feature = "gecko")]
use crate::values::specified::NonNegativePercentage;
#[cfg(feature = "gecko")]
use cssparser::UnicodeRange;
use cssparser::{AtRuleParser, DeclarationListParser, DeclarationParser, Parser};
use cssparser::{CowRcStr, SourceLocation};
use cssparser::{
AtRuleParser, CowRcStr, DeclarationListParser, DeclarationParser, Parser, QualifiedRuleParser,
SourceLocation,
};
use selectors::parser::SelectorParseErrorKind;
use std::fmt::{self, Write};
use style_traits::{CssWriter, ParseError};
@ -558,6 +560,12 @@ impl<'a, 'b, 'i> AtRuleParser<'i> for FontFaceRuleParser<'a, 'b> {
type Error = StyleParseErrorKind<'i>;
}
impl<'a, 'b, 'i> QualifiedRuleParser<'i> for FontFaceRuleParser<'a, 'b> {
type Prelude = ();
type QualifiedRule = ();
type Error = StyleParseErrorKind<'i>;
}
fn font_tech_enabled() -> bool {
#[cfg(feature = "gecko")]
return static_prefs::pref!("layout.css.font-tech.enabled");