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style: Parse the legacy border attribute per the legacy HTML specification.

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Additionally, this patch cleans up some miscellaneous formatting issues
and refactors files in `layout/css/` somewhat to eliminate needless
levels of indirection. It also fixes our handling of presentational
hints that only apply if border is nonzero.
This commit is contained in:
Patrick Walton 2014-12-07 22:54:56 -08:00
parent e0e14c60d6
commit 10f1ed5e31
19 changed files with 350 additions and 127 deletions
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9
components/layout/css/matching.rs
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@ -268,6 +268,9 @@ impl StyleSharingCandidate {
return false
}
// FIXME(pcwalton): It's probably faster to iterate over all the element's attributes and
// use the {common, rare}-style-affecting-attributes tables as lookup tables.
for attribute_info in style::common_style_affecting_attributes().iter() {
match attribute_info.mode {
AttrIsPresentMode(flag) => {
@ -295,6 +298,12 @@ impl StyleSharingCandidate {
}
}
for attribute_name in style::rare_style_affecting_attributes().iter() {
if element.get_attr(&ns!(""), attribute_name).is_some() {
return false
}
}
if element.get_link().is_some() != self.link {
return false
}