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Auto merge of #16646 - nox:loponu, r=emilio

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Reverse Number and LengthOrPercentage in LengthOrPercentageOrNumber

"0" must be parsed as the number 0, not the unitless 0px length.

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This commit is contained in:
bors-servo 2017-04-29 12:11:51 -05:00 • committed by GitHub
commit 5dac4fbd2d
6 changed files with 18 additions and 11 deletions
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2
components/style/values/computed/mod.rs
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@ -468,7 +468,7 @@ impl ToCss for SVGPaint {
}
/// <length> | <percentage> | <number>
pub type LengthOrPercentageOrNumber = Either<LengthOrPercentage, Number>;
pub type LengthOrPercentageOrNumber = Either<Number, LengthOrPercentage>;
#[derive(Clone, PartialEq, Eq, Copy, Debug)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]

6
components/style/values/specified/mod.rs
View file

@ -1191,7 +1191,7 @@ impl ToComputedValue for SVGPaintKind {
}
/// <length> | <percentage> | <number>
pub type LengthOrPercentageOrNumber = Either<LengthOrPercentage, Number>;
pub type LengthOrPercentageOrNumber = Either<Number, LengthOrPercentage>;
impl LengthOrPercentageOrNumber {
/// parse a <length-percentage> | <number> enforcing that the contents aren't negative
@ -1199,10 +1199,10 @@ impl LengthOrPercentageOrNumber {
// NB: Parse numbers before Lengths so we are consistent about how to
// recognize and serialize "0".
if let Ok(num) = input.try(|i| Number::parse_non_negative(context, i)) {
return Ok(Either::Second(num))
return Ok(Either::First(num))
}
LengthOrPercentage::parse_non_negative(context, input).map(Either::First)
LengthOrPercentage::parse_non_negative(context, input).map(Either::Second)
}
}