css_ast/units/
time.rs

1use super::prelude::*;
2
3/// <https://drafts.csswg.org/css-values/#time>
4///
5/// ```text,ignore
6/// <time> = <dimension-token>
7/// ```
8#[derive(
9	IntoCursor, ToSpan, SemanticEq, Parse, Peek, ToCursors, Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash,
10)]
11#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
12#[cfg_attr(feature = "visitable", derive(csskit_derives::Visitable), visit(self))]
13#[derive(csskit_derives::NodeWithMetadata)]
14#[metadata(node_kinds = Dimension)]
15pub enum Time {
16	#[atom(CssAtomSet::Ms)]
17	Ms(T![Dimension]),
18	#[atom(CssAtomSet::S)]
19	S(T![Dimension]),
20}
21
22impl Time {
23	pub fn as_seconds(&self) -> f32 {
24		match self {
25			Self::Ms(f) => Into::<f32>::into(*f) / 1000.0,
26			Self::S(f) => (*f).into(),
27		}
28	}
29}
30
31impl From<Time> for f32 {
32	fn from(val: Time) -> Self {
33		match val {
34			Time::Ms(f) => f.into(),
35			Time::S(f) => f.into(),
36		}
37	}
38}
39
40impl ToNumberValue for Time {
41	fn to_number_value(&self) -> Option<f32> {
42		Some((*self).into())
43	}
44}
45
46#[cfg(test)]
47mod tests {
48	use super::*;
49	use crate::CssAtomSet;
50	use css_parse::{assert_parse, assert_peek_false};
51
52	#[test]
53	fn size_test() {
54		assert_eq!(std::mem::size_of::<Time>(), 16);
55	}
56
57	#[test]
58	fn test_writes() {
59		assert_parse!(CssAtomSet::ATOMS, Time, "0s");
60		assert_parse!(CssAtomSet::ATOMS, Time, "0ms");
61		assert_parse!(CssAtomSet::ATOMS, Time, "1s");
62		assert_parse!(CssAtomSet::ATOMS, Time, "100ms");
63	}
64
65	#[test]
66	fn test_errors() {
67		assert_peek_false!(CssAtomSet::ATOMS, Time, "0");
68		assert_peek_false!(CssAtomSet::ATOMS, Time, "1");
69		assert_peek_false!(CssAtomSet::ATOMS, Time, "foo");
70	}
71}
css_ast/units/time.rs

css_ast/units/
time.rs
