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style: Reduce code size of shorthand serialization

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Differential Revision: https://phabricator.services.mozilla.com/D118835
This commit is contained in:
Emilio Cobos Álvarez 2023-05-22 10:00:33 +02:00 • committed by Oriol Brufau
parent 58e9ee4d1e
commit 85b7a60a69
3 changed files with 39 additions and 40 deletions
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17
components/style/properties/helpers.mako.rs
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@ -845,10 +845,7 @@
impl<'a> LonghandsToSerialize<'a> {
/// Tries to get a serializable set of longhands given a set of
/// property declarations.
pub fn from_iter<I>(iter: I) -> Result<Self, ()>
where
I: Iterator<Item=&'a PropertyDeclaration>,
{
pub fn from_iter(iter: impl Iterator<Item = &'a PropertyDeclaration>) -> Result<Self, ()> {
// Define all of the expected variables that correspond to the shorthand
% for sub_property in shorthand.sub_properties:
let mut ${sub_property.ident} =
@ -856,8 +853,8 @@
% endfor
// Attempt to assign the incoming declarations to the expected variables
for longhand in iter {
match *longhand {
for declaration in iter {
match *declaration {
% for sub_property in shorthand.sub_properties:
PropertyDeclaration::${sub_property.camel_case}(ref value) => {
${sub_property.ident} = Some(value)
@ -918,6 +915,14 @@
})
}
/// Try to serialize a given shorthand to a string.
pub fn to_css(declarations: &[&PropertyDeclaration], dest: &mut crate::str::CssStringWriter) -> fmt::Result {
match LonghandsToSerialize::from_iter(declarations.iter().cloned()) {
Ok(longhands) => longhands.to_css(&mut CssWriter::new(dest)),
Err(_) => Ok(())
}
}
${caller.body()}
}
% endif