mirror of
https://github.com/servo/servo.git
synced 2025-06-27 10:33:39 +01:00
52d39fc1bc
Based on https://drafts.csswg.org/css-values/#ratios, <ratio> should be a general types in css values, and now the media query and the position use this type, so let's move it into the independent files. Differential Revision: https://phabricator.services.mozilla.com/D106218
32 lines
1 KiB
Rust
32 lines
1 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
|
|
|
|
//! Specified types for <ratio>.
|
|
//!
|
|
//! [ratio]: https://drafts.csswg.org/css-values/#ratios
|
|
|
|
use crate::parser::{Parse, ParserContext};
|
|
use crate::values::generics::ratio::Ratio as GenericRatio;
|
|
use crate::values::specified::NonNegativeNumber;
|
|
use crate::One;
|
|
use cssparser::Parser;
|
|
use style_traits::ParseError;
|
|
|
|
/// A specified <ratio> value.
|
|
pub type Ratio = GenericRatio<NonNegativeNumber>;
|
|
|
|
impl Parse for Ratio {
|
|
fn parse<'i, 't>(
|
|
context: &ParserContext,
|
|
input: &mut Parser<'i, 't>,
|
|
) -> Result<Self, ParseError<'i>> {
|
|
let a = NonNegativeNumber::parse(context, input)?;
|
|
let b = match input.try_parse(|input| input.expect_delim('/')) {
|
|
Ok(()) => NonNegativeNumber::parse(context, input)?,
|
|
_ => One::one(),
|
|
};
|
|
|
|
Ok(GenericRatio(a, b))
|
|
}
|
|
}
|