Don’t make up initial values not in spec for @counter-style descriptors

This commit is contained in:
Simon Sapin 2017-04-14 10:52:47 +02:00
parent 617e8e9768
commit f93a9a4b10
2 changed files with 45 additions and 23 deletions

View file

@ -58,10 +58,29 @@ impl<'a, 'b> AtRuleParser for CounterStyleRuleParser<'a, 'b> {
type AtRule = ();
}
macro_rules! accessor {
(#[$doc: meta] $name: tt $ident: ident: $ty: ty = !) => {
#[$doc]
pub fn $ident(&self) -> Option<&$ty> {
self.$ident.as_ref()
}
};
(#[$doc: meta] $name: tt $ident: ident: $ty: ty = $initial: expr) => {
#[$doc]
pub fn $ident(&self) -> Cow<$ty> {
if let Some(ref value) = self.$ident {
Cow::Borrowed(value)
} else {
Cow::Owned($initial)
}
}
}
}
macro_rules! counter_style_descriptors {
(
$( #[$doc: meta] $name: tt $ident: ident / $gecko_ident: ident: $ty: ty = $initial: expr; )+
$( #[$doc: meta] $name: tt $ident: ident / $gecko_ident: ident: $ty: ty = $initial: tt )+
) => {
/// An @counter-style rule
#[derive(Debug)]
@ -84,14 +103,7 @@ macro_rules! counter_style_descriptors {
}
$(
#[$doc]
pub fn $ident(&self) -> Cow<$ty> {
if let Some(ref value) = self.$ident {
Cow::Borrowed(value)
} else {
Cow::Owned($initial)
}
}
accessor!(#[$doc] $name $ident: $ty = $initial);
)+
/// Convert to Gecko types
@ -147,31 +159,42 @@ macro_rules! counter_style_descriptors {
counter_style_descriptors! {
/// https://drafts.csswg.org/css-counter-styles/#counter-style-system
"system" system / eCSSCounterDesc_System: System = System::Symbolic;
"system" system / eCSSCounterDesc_System: System = {
System::Symbolic
}
/// https://drafts.csswg.org/css-counter-styles/#counter-style-negative
"negative" negative / eCSSCounterDesc_Negative: Negative =
Negative(Symbol::String("-".to_owned()), None);
"negative" negative / eCSSCounterDesc_Negative: Negative = {
Negative(Symbol::String("-".to_owned()), None)
}
/// https://drafts.csswg.org/css-counter-styles/#counter-style-prefix
"prefix" prefix / eCSSCounterDesc_Prefix: Symbol = Symbol::String("".to_owned());
"prefix" prefix / eCSSCounterDesc_Prefix: Symbol = {
Symbol::String("".to_owned())
}
/// https://drafts.csswg.org/css-counter-styles/#counter-style-suffix
"suffix" suffix / eCSSCounterDesc_Suffix: Symbol = Symbol::String(". ".to_owned());
"suffix" suffix / eCSSCounterDesc_Suffix: Symbol = {
Symbol::String(". ".to_owned())
}
/// https://drafts.csswg.org/css-counter-styles/#counter-style-range
"range" range / eCSSCounterDesc_Range: Ranges =
Ranges(Vec::new()); // Empty Vec represents 'auto'
"range" range / eCSSCounterDesc_Range: Ranges = {
Ranges(Vec::new()) // Empty Vec represents 'auto'
}
/// https://drafts.csswg.org/css-counter-styles/#counter-style-pad
"pad" pad / eCSSCounterDesc_Pad: Pad = Pad(0, Symbol::String("".to_owned()));
"pad" pad / eCSSCounterDesc_Pad: Pad = {
Pad(0, Symbol::String("".to_owned()))
}
/// https://drafts.csswg.org/css-counter-styles/#counter-style-fallback
"fallback" fallback / eCSSCounterDesc_Fallback: Fallback =
Fallback(CustomIdent(Atom::from("decimal")));
"fallback" fallback / eCSSCounterDesc_Fallback: Fallback = {
Fallback(CustomIdent(Atom::from("decimal")))
}
/// https://drafts.csswg.org/css-counter-styles/#counter-style-symbols
"symbols" symbols / eCSSCounterDesc_Symbols: Symbols = Symbols(Vec::new());
"symbols" symbols / eCSSCounterDesc_Symbols: Symbols = !
}
/// https://drafts.csswg.org/css-counter-styles/#counter-style-system

View file

@ -230,8 +230,7 @@ impl ToNsCssValue for counter_style::Fallback {
impl ToNsCssValue for counter_style::Symbols {
fn convert(&self, _nscssvalue: &mut nsCSSValue) {
if !self.0.is_empty() {
debug_assert!(!self.0.is_empty());
// FIXME: add bindings for nsCSSValueList
}
}
}