css_ast/units/
semitones.rs

1use super::prelude::*;
2
3/// <https://drafts.csswg.org/css-speech-1/#typedef-voice-pitch-semitones>
4///
5/// ```text,ignore
6/// <semitones> = <dimension-token>
7/// ```
8#[node]
9#[derive(
10	IntoCursor, ToSpan, SemanticEq, Parse, Peek, ToCursors, Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash,
11)]
12#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
13#[cfg_attr(feature = "visitable", derive(csskit_derives::Visitable), visit(self))]
14#[derive(csskit_derives::NodeWithMetadata)]
15#[metadata(node_kinds = Dimension)]
16pub struct Semitones(#[atom(CssAtomSet::St)] T![Dimension]);
17
18impl From<Semitones> for f32 {
19	fn from(semitones: Semitones) -> Self {
20		semitones.0.into()
21	}
22}
23
24impl ToNumberValue for Semitones {
25	fn to_number_value(&self) -> Option<f32> {
26		Some((*self).into())
27	}
28}
29
30#[cfg(test)]
31mod tests {
32	use super::*;
33	use crate::CssAtomSet;
34	use css_parse::{assert_parse, assert_peek_false};
35
36	#[test]
37	fn test_writes() {
38		assert_parse!(CssAtomSet::ATOMS, Semitones, "1st");
39		assert_parse!(CssAtomSet::ATOMS, Semitones, "-3st");
40	}
41
42	#[test]
43	fn test_errors() {
44		assert_peek_false!(CssAtomSet::ATOMS, Semitones, "1");
45		assert_peek_false!(CssAtomSet::ATOMS, Semitones, "1db");
46	}
47}
css_ast/units/semitones.rs

css_ast/units/
semitones.rs
