style: Tweak font-family serialization so that it is simpler.
In particular, every time that there's at least more than one identifier, switch
to quoted family name, since the reconstruction of the serialization will be
lossy anyway.
This allows us to avoid copies and all that.
What Chrome implements doesn't make much sense in the sense that they always
serialize:
font-family: "foo"; -> font-family: foo;
font-family: foo bar; -> font-family: "foo bar";
font-family: foo\ bar; -> font-family: "foo bar";
This patch makes us match on the second case, but not on the rest, because I
think Gecko's behavior is preferable in those cases.
Bug: 1434802
Reviewed-by: xidorn
MozReview-Commit-ID: JwBECA93lfi
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In particular, every time that there's at least more than one identifier, switch
to quoted family name, since the reconstruction of the serialization will be
lossy anyway.
This allows us to avoid copies and all that.
What Chrome implements doesn't make much sense in the sense that they always
serialize:
font-family: "foo"; -> font-family: foo;
font-family: foo bar; -> font-family: "foo bar";
font-family: foo\ bar; -> font-family: "foo bar";
This patch makes us match on the second case, but not on the rest, because I
think Gecko's behavior is preferable in those cases.
Bug: 1434802
Reviewed-by: xidorn
MozReview-Commit-ID: JwBECA93lfi
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.
Change debug assertions to specific ones
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style: Move content property out of mako.
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r? emilio
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This is in preparation of a cascade optimization for custom properties.
This fixes various fishiness around our StyleBuilder stuff. In particular,
StyleBuilder::for_derived_style (renamed to for_animation) is only used to
compute specified values, and thus doesn't need to know about rules, visited
style, or other things like that.
The flag propagation that was done in StyleAdjuster is now done in StyleBuilder,
since we know beforehand which ones are always inherited, and it simplified the
callers and the StyleAdjuster code. It also fixed some fishiness wrt which flags
were propagated to anon boxes and text.
The text-decoration-lines bit is interesting, because the way it was implemented
in #17722 meant that display: contents elements did get HAS_DECORATION_LINES
flags only if its parent also had it, so in practice the Contents check
preserves behavior, but it's only an optimization looking at Gecko's call-sites,
so we can remove it too.
MozReview-Commit-ID: 6BHCyEO2U8c
style: moved css longhand counter-reset out of mako
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This is a sub-PR of #19015
Code does not yet compile with `build-geckolib`.
r? emilio
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style: Move border-image-repeat outside of mako.
This is a rebased / nitpick-addressed / bug-fixed version of #19021, and with a commit from #19668 renaming the two `RepeatKeyword`s to different names.
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Implement GridTemplateAreas with reference counting
Use `Arc` to implement refcounting for `GridTemplateAreas`
r? emilio
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