css_ast/units/
time.rs

1use super::prelude::*;
2
3// https://drafts.csswg.org/css-values/#resolution
4#[derive(IntoCursor, Parse, Peek, ToCursors, Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
5#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
6#[cfg_attr(feature = "visitable", derive(csskit_derives::Visitable), visit(self))]
7pub enum Time {
8	Zero(#[in_range(0.0..0.0)] T![Number]),
9	#[atom(CssAtomSet::Ms)]
10	Ms(T![Dimension]),
11	#[atom(CssAtomSet::S)]
12	S(T![Dimension]),
13}
14
15impl From<Time> for f32 {
16	fn from(val: Time) -> Self {
17		match val {
18			Time::Zero(_) => 0.0,
19			Time::Ms(f) => f.into(),
20			Time::S(f) => f.into(),
21		}
22	}
23}
24
25impl ToNumberValue for Time {
26	fn to_number_value(&self) -> Option<f32> {
27		Some((*self).into())
28	}
29}
30
31#[cfg(test)]
32mod tests {
33	use super::*;
34	use crate::CssAtomSet;
35	use css_parse::{assert_parse, assert_parse_error};
36
37	#[test]
38	fn size_test() {
39		assert_eq!(std::mem::size_of::<Time>(), 16);
40	}
41
42	#[test]
43	fn test_writes() {
44		assert_parse!(CssAtomSet::ATOMS, Time, "0");
45		assert_parse!(CssAtomSet::ATOMS, Time, "0s");
46		assert_parse!(CssAtomSet::ATOMS, Time, "0ms");
47	}
48
49	#[test]
50	fn test_errors() {
51		assert_parse_error!(CssAtomSet::ATOMS, Time, "1");
52		assert_parse_error!(CssAtomSet::ATOMS, Time, "foo");
53	}
54}
css_ast/units/time.rs

css_ast/units/
time.rs
