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Refactor ListStyleType

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This commit is contained in:
Jon Leighton 2017-12-23 21:24:46 +01:00
parent 214b423bbd
commit 53e868e203
1 changed files with 23 additions and 23 deletions
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46
components/style/values/specified/list.rs
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@ -41,35 +41,35 @@ impl ListStyleType {
pub fn from_gecko_keyword(value: u32) -> Self {
use gecko_bindings::structs;
let counter_style = if value == structs::NS_STYLE_LIST_STYLE_NONE {
CounterStyleOrNone::None
} else {
CounterStyleOrNone::Name(CustomIdent(match value {
structs::NS_STYLE_LIST_STYLE_DISC => atom!("disc"),
structs::NS_STYLE_LIST_STYLE_CIRCLE => atom!("circle"),
structs::NS_STYLE_LIST_STYLE_SQUARE => atom!("square"),
structs::NS_STYLE_LIST_STYLE_DECIMAL => atom!("decimal"),
structs::NS_STYLE_LIST_STYLE_LOWER_ROMAN => atom!("lower-roman"),
structs::NS_STYLE_LIST_STYLE_UPPER_ROMAN => atom!("upper-roman"),
structs::NS_STYLE_LIST_STYLE_LOWER_ALPHA => atom!("lower-alpha"),
structs::NS_STYLE_LIST_STYLE_UPPER_ALPHA => atom!("upper-alpha"),
_ => unreachable!("Unknown counter style keyword value"),
}))
};
if value == structs::NS_STYLE_LIST_STYLE_NONE {
return ListStyleType::CounterStyle(CounterStyleOrNone::None);
}
ListStyleType::CounterStyle(counter_style)
ListStyleType::CounterStyle(CounterStyleOrNone::Name(CustomIdent(match value {
structs::NS_STYLE_LIST_STYLE_DISC => atom!("disc"),
structs::NS_STYLE_LIST_STYLE_CIRCLE => atom!("circle"),
structs::NS_STYLE_LIST_STYLE_SQUARE => atom!("square"),
structs::NS_STYLE_LIST_STYLE_DECIMAL => atom!("decimal"),
structs::NS_STYLE_LIST_STYLE_LOWER_ROMAN => atom!("lower-roman"),
structs::NS_STYLE_LIST_STYLE_UPPER_ROMAN => atom!("upper-roman"),
structs::NS_STYLE_LIST_STYLE_LOWER_ALPHA => atom!("lower-alpha"),
structs::NS_STYLE_LIST_STYLE_UPPER_ALPHA => atom!("upper-alpha"),
_ => unreachable!("Unknown counter style keyword value"),
})))
}
}
#[cfg(feature = "gecko")]
impl Parse for ListStyleType {
fn parse<'i, 't>(context: &ParserContext, input: &mut Parser<'i, 't>)
-> Result<ListStyleType, ParseError<'i>> {
Ok(if let Ok(style) = input.try(|i| CounterStyleOrNone::parse(context, i)) {
ListStyleType::CounterStyle(style)
} else {
ListStyleType::String(input.expect_string()?.as_ref().to_owned())
})
fn parse<'i, 't>(
context: &ParserContext,
input: &mut Parser<'i, 't>
) -> Result<Self, ParseError<'i>> {
if let Ok(style) = input.try(|i| CounterStyleOrNone::parse(context, i)) {
return Ok(ListStyleType::CounterStyle(style))
}
Ok(ListStyleType::String(input.expect_string()?.as_ref().to_owned()))
}
}