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style: Allow shorthands to specify their own impl of SpecifiedValueInfo and manual impl it for font and border.

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Bug: 1434130
Reviewed-by: emilio
MozReview-Commit-ID: 3B9OfkWU0Eq
This commit is contained in:
Xidorn Quan 2018-04-29 09:03:31 +10:00 • committed by Emilio Cobos Álvarez
parent e50847666c
commit 185e4ce61d
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GPG key ID: 056B727BB9C1027C
3 changed files with 46 additions and 22 deletions
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12
components/style/properties/shorthand/border.mako.rs
View file

@ -140,6 +140,7 @@ pub fn parse_border<'i, 't>(
for prop in ['color', 'style', 'width'])}
${' '.join('border-image-%s' % name
for name in ['outset', 'repeat', 'slice', 'source', 'width'])}"
derive_value_info="False"
spec="https://drafts.csswg.org/css-backgrounds/#border">
pub fn parse_value<'i, 't>(
@ -202,6 +203,17 @@ pub fn parse_border<'i, 't>(
}
}
// Just use the same as border-left. The border shorthand can't accept
// any value that the sub-shorthand couldn't.
<%
border_left = "<::properties::shorthands::border_left::Longhands as SpecifiedValueInfo>"
%>
impl SpecifiedValueInfo for Longhands {
const SUPPORTED_TYPES: u8 = ${border_left}::SUPPORTED_TYPES;
fn collect_completion_keywords(f: KeywordsCollectFn) {
${border_left}::collect_completion_keywords(f);
}
}
</%helpers:shorthand>
<%helpers:shorthand name="border-radius" sub_properties="${' '.join(

24
components/style/properties/shorthand/font.mako.rs
View file

@ -19,6 +19,7 @@
${'font-language-override' if product == 'gecko' else ''}
${'font-feature-settings' if product == 'gecko' else ''}
${'font-variation-settings' if product == 'gecko' else ''}"
derive_value_info="False"
spec="https://drafts.csswg.org/css-fonts-3/#propdef-font">
use parser::Parse;
use properties::longhands::{font_family, font_style, font_weight, font_stretch};
@ -258,6 +259,29 @@
}
% endif
}
<%
subprops_for_value_info = ["font_style", "font_weight", "font_stretch",
"font_variant_caps", "font_size", "font_family"]
subprops_for_value_info = [
"<longhands::{}::SpecifiedValue as SpecifiedValueInfo>".format(p)
for p in subprops_for_value_info
]
%>
impl SpecifiedValueInfo for Longhands {
const SUPPORTED_TYPES: u8 = 0
% for p in subprops_for_value_info:
| ${p}::SUPPORTED_TYPES
% endfor
;
fn collect_completion_keywords(f: KeywordsCollectFn) {
% for p in subprops_for_value_info:
${p}::collect_completion_keywords(f);
% endfor
<longhands::system_font::SystemFont as SpecifiedValueInfo>::collect_completion_keywords(f);
}
}
</%helpers:shorthand>
<%helpers:shorthand name="font-variant"