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refactor(counter_style): parse int via parse_non_negative

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This commit is contained in:
OJ Kwon 2018-03-20 12:03:14 -07:00
parent 1c2bed5a69
commit c8592ead6f
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2 changed files with 13 additions and 19 deletions
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26
components/style/counter_style/mod.rs
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@ -299,7 +299,7 @@ counter_style_descriptors! {
/// <https://drafts.csswg.org/css-counter-styles/#counter-style-pad>
"pad" pad / eCSSCounterDesc_Pad: Pad = {
Pad(0, Symbol::String("".to_owned()))
Pad(Integer::new(0), Symbol::String("".to_owned()))
}
/// <https://drafts.csswg.org/css-counter-styles/#counter-style-fallback>
@ -336,14 +336,14 @@ pub enum System {
/// 'fixed <integer>?'
Fixed {
/// '<integer>?'
first_symbol_value: Option<i32>
first_symbol_value: Option<Integer>
},
/// 'extends <counter-style-name>'
Extends(CustomIdent),
}
impl Parse for System {
fn parse<'i, 't>(_context: &ParserContext, input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i>> {
fn parse<'i, 't>(context: &ParserContext, input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i>> {
try_match_ident_ignore_ascii_case! { input,
"cyclic" => Ok(System::Cyclic),
"numeric" => Ok(System::Numeric),
@ -351,7 +351,7 @@ impl Parse for System {
"symbolic" => Ok(System::Symbolic),
"additive" => Ok(System::Additive),
"fixed" => {
let first_symbol_value = input.try(|i| i.expect_integer()).ok();
let first_symbol_value = input.try(|i| Integer::parse(context, i)).ok();
Ok(System::Fixed { first_symbol_value: first_symbol_value })
}
"extends" => {
@ -515,17 +515,14 @@ where
/// <https://drafts.csswg.org/css-counter-styles/#counter-style-pad>
#[derive(Clone, Debug, ToCss)]
pub struct Pad(pub u32, pub Symbol);
pub struct Pad(pub Integer, pub Symbol);
impl Parse for Pad {
fn parse<'i, 't>(context: &ParserContext, input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i>> {
let pad_with = input.try(|input| Symbol::parse(context, input));
let min_length = input.expect_integer()?;
if min_length < 0 {
return Err(input.new_custom_error(StyleParseErrorKind::UnspecifiedError))
}
let min_length = Integer::parse_non_negative(context, input)?;
let pad_with = pad_with.or_else(|_| Symbol::parse(context, input))?;
Ok(Pad(min_length as u32, pad_with))
Ok(Pad(min_length, pad_with))
}
}
@ -580,7 +577,7 @@ impl Parse for AdditiveSymbols {
#[derive(Clone, Debug, ToCss)]
pub struct AdditiveTuple {
/// <integer>
pub weight: u32,
pub weight: Integer,
/// <symbol>
pub symbol: Symbol,
}
@ -592,13 +589,10 @@ impl OneOrMoreSeparated for AdditiveTuple {
impl Parse for AdditiveTuple {
fn parse<'i, 't>(context: &ParserContext, input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i>> {
let symbol = input.try(|input| Symbol::parse(context, input));
let weight = input.expect_integer()?;
if weight < 0 {
return Err(input.new_custom_error(StyleParseErrorKind::UnspecifiedError))
}
let weight = Integer::parse_non_negative(context, input)?;
let symbol = symbol.or_else(|_| Symbol::parse(context, input))?;
Ok(AdditiveTuple {
weight: weight as u32,
weight: weight,
symbol: symbol,
})
}