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Implement -webkit-gradient() (fixes #16542)

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This commit is contained in:
Anthony Ramine 2017-05-13 16:46:58 +02:00
parent 9e6f9db127
commit ea4e7299d4
4 changed files with 285 additions and 16 deletions
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24
components/style/values/specified/mod.rs
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@ -658,7 +658,7 @@ impl ToCss for Number {
/// <number-percentage>
/// Accepts only non-negative numbers.
#[derive(Debug, Clone, PartialEq)]
#[derive(Clone, Copy, Debug, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[allow(missing_docs)]
pub enum NumberOrPercentage {
@ -668,13 +668,27 @@ pub enum NumberOrPercentage {
no_viewport_percentage!(NumberOrPercentage);
impl Parse for NumberOrPercentage {
fn parse(context: &ParserContext, input: &mut Parser) -> Result<Self, ()> {
if let Ok(per) = input.try(Percentage::parse_non_negative) {
impl NumberOrPercentage {
fn parse_with_clamping_mode(context: &ParserContext,
input: &mut Parser,
type_: AllowedNumericType)
-> Result<Self, ()> {
if let Ok(per) = input.try(|i| Percentage::parse_with_clamping_mode(i, type_)) {
return Ok(NumberOrPercentage::Percentage(per));
}
Number::parse_non_negative(context, input).map(NumberOrPercentage::Number)
parse_number_with_clamping_mode(context, input, type_).map(NumberOrPercentage::Number)
}
/// Parse a non-negative number or percentage.
pub fn parse_non_negative(context: &ParserContext, input: &mut Parser) -> Result<Self, ()> {
Self::parse_with_clamping_mode(context, input, AllowedNumericType::NonNegative)
}
}
impl Parse for NumberOrPercentage {
fn parse(context: &ParserContext, input: &mut Parser) -> Result<Self, ()> {
Self::parse_with_clamping_mode(context, input, AllowedNumericType::All)
}
}