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style: Implement parsing / serialization for container{,-type,-name} CSS properties

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Two noteworthy details that may seem random otherwise:

 * Moving values around in nsStyleDisplay is needed so that the struct
   remains under the size limit that we have to avoid jumping allocator
   buckets.

 * All the test expectation churn is because tests depend on
   `container-type: size` parsing to run, and now they run. Tests for
   the relevant bits I implemented are passing, with the only exception
   of some `container-name-computed.html` failures which are
   https://github.com/w3c/csswg-drafts/issues/7181. Safari agrees with
   us there.

Other notes when looking at the spec and seeing how it matches the
implementation:

 * `container` syntax doesn't match spec, but matches tests and sanity:
   https://github.com/w3c/csswg-drafts/issues/7180

 * `container-type` syntax doesn't _quite_ match spec, but matches tests
   and I think it's a spec bug since the definition for the missing
   keyword is gone:
   https://github.com/w3c/csswg-drafts/issues/7179

Differential Revision: https://phabricator.services.mozilla.com/D142419
This commit is contained in:
Emilio Cobos Álvarez 2023-06-18 14:02:56 +02:00 • committed by Martin Robinson
parent ee4e09359f
commit ec6099563e
9 changed files with 161 additions and 16 deletions
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2
components/style/values/specified/mod.rs
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@ -37,7 +37,7 @@ pub use self::border::{BorderCornerRadius, BorderImageSlice, BorderImageWidth};
pub use self::border::{BorderImageRepeat, BorderImageSideWidth};
pub use self::border::{BorderRadius, BorderSideWidth, BorderSpacing, BorderStyle};
pub use self::box_::{AnimationIterationCount, AnimationName, AnimationTimeline, Contain, Display};
pub use self::box_::{Appearance, BreakBetween, BreakWithin};
pub use self::box_::{Appearance, BreakBetween, BreakWithin, ContainerName, ContainerType};
pub use self::box_::{Clear, ContentVisibility, Float, Overflow, OverflowAnchor};
pub use self::box_::{OverflowClipBox, OverscrollBehavior, Perspective, Resize, ScrollbarGutter};
pub use self::box_::{ScrollSnapAlign, ScrollSnapAxis, ScrollSnapStrictness, ScrollSnapType};