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CSS-wide keywords parsing in longhands: use a single code path with IDs

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… rather than generating similar code for every longhand property.
This commit is contained in:
Simon Sapin 2017-07-12 21:50:45 +02:00
parent a5b80e2d75
commit 8a8614eccd
2 changed files with 42 additions and 38 deletions
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5
components/style/properties/helpers.mako.rs
View file

@ -452,9 +452,6 @@
}
pub fn parse_declared<'i, 't>(context: &ParserContext, input: &mut Parser<'i, 't>)
-> Result<PropertyDeclaration, ParseError<'i>> {
match input.try(|i| CSSWideKeyword::parse(context, i)) {
Ok(keyword) => Ok(PropertyDeclaration::CSSWideKeyword(LonghandId::${property.camel_case}, keyword)),
Err(_) => {
input.look_for_var_functions();
let start = input.position();
let specified = parse_specified(context, input);
@ -476,8 +473,6 @@
}
specified.map(|s| PropertyDeclaration::${property.camel_case}(s))
}
}
}
% endif
}
</%def>

11
components/style/properties/properties.mako.rs
View file

@ -1521,6 +1521,10 @@ impl PropertyDeclaration {
Ok(())
}
PropertyId::Longhand(id) => {
if let Ok(keyword) = input.try(|i| CSSWideKeyword::parse(context, i)) {
declarations.push(PropertyDeclaration::CSSWideKeyword(id, keyword))
Ok(())
} else {
match id {
% for property in data.longhands:
LonghandId::${property.camel_case} => {
@ -1530,7 +1534,11 @@ impl PropertyDeclaration {
declarations.push(value);
Ok(())
},
Err(_) => Err(PropertyDeclarationParseError::InvalidValue("${property.ident}".into())),
Err(_) => {
Err(PropertyDeclarationParseError::InvalidValue(
"${property.ident}".into()
))
}
}
% else:
Err(PropertyDeclarationParseError::UnknownProperty)
@ -1539,6 +1547,7 @@ impl PropertyDeclaration {
% endfor
}
}
}
PropertyId::Shorthand(id) => {
if let Ok(keyword) = input.try(|i| CSSWideKeyword::parse(context, i)) {
if id == ShorthandId::All {