Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-08-06 14:10:11 +01:00
Code Issues Projects Releases Packages Wiki Activity

style: Implement css(dimension) and derive ToCss for a bunch of stuff.

Browse source 
For css(dimension), it'd be nice to derive(Parse) too, I think...
This commit is contained in:
Emilio Cobos Álvarez 2017-11-11 14:57:12 +01:00
parent 1b533f9bdc
commit 4927786d90
No known key found for this signature in database
GPG key ID: 056B727BB9C1027C
10 changed files with 98 additions and 153 deletions
Download patch file Download diff file Expand all files Collapse all files

21
components/style_derive/to_css.rs
View file

@ -19,9 +19,14 @@ pub fn derive(input: DeriveInput) -> Tokens {
let mut identifier = to_css_identifier(variant.ident.as_ref());
let variant_attrs = cg::parse_variant_attrs::<CssVariantAttrs>(variant);
let separator = if variant_attrs.comma { ", " } else { " " };
if input_attrs.dimension {
assert_eq!(bindings.len(), 1);
assert!(!variant_attrs.function, "That makes no sense");
}
let mut expr = if !bindings.is_empty() {
let mut expr = quote! {};
if variant_attrs.function && variant_attrs.iterable {
assert_eq!(bindings.len(), 1);
let binding = &bindings[0];
@ -52,7 +57,18 @@ pub fn derive(input: DeriveInput) -> Tokens {
::std::fmt::Write::write_str(dest, #identifier)
}
};
if variant_attrs.function {
if input_attrs.dimension {
// FIXME(emilio): Remove when bug 1416564 lands.
if identifier == "-mozmm" {
identifier = "mozmm".into();
}
expr = quote! {
#expr?;
::std::fmt::Write::write_str(dest, #identifier)
}
} else if variant_attrs.function {
identifier.push_str("(");
expr = quote! {
::std::fmt::Write::write_str(dest, #identifier)?;
@ -96,6 +112,7 @@ pub fn derive(input: DeriveInput) -> Tokens {
struct CssInputAttrs {
derive_debug: bool,
function: bool,
dimension: bool,
comma: bool,
}