css_ast/values/writing_modes/
impls.rs

1use super::GlyphOrientationVerticalStyleValue;
2use crate::{CSSInt, CssAtomSet};
3use css_parse::{Cursor, Diagnostic, Parse, Parser, Peek, Result as ParseResult, T};
4
5impl<'a> Parse<'a> for GlyphOrientationVerticalStyleValue {
6	fn parse<I>(p: &mut Parser<'a, I>) -> ParseResult<Self>
7	where
8		I: Iterator<Item = Cursor> + Clone,
9	{
10		let c = p.peek_n(1);
11		if <T![Ident]>::peek(p, c) && p.equals_atom(c, &CssAtomSet::Auto) {
12			p.parse::<T![Ident]>().map(Self::Auto)
13		} else {
14			if let Some(int) = p.parse_if_peek::<CSSInt>()? {
15				match int.into() {
16					0i32 => {
17						return Ok(Self::Literal0(int));
18					}
19					90i32 => {
20						return Ok(Self::Literal90(int));
21					}
22					_ => {}
23				}
24			}
25			if let Some(dimension) = p.parse_if_peek::<T![Dimension]>()? {
26				match (dimension.value(), p.to_atom::<CssAtomSet>(dimension.into())) {
27					(0f32, CssAtomSet::Deg) => {
28						return Ok(Self::Literal0deg(dimension));
29					}
30					(90f32, CssAtomSet::Deg) => {
31						return Ok(Self::Literal90deg(dimension));
32					}
33					_ => {}
34				}
35			}
36			Err(Diagnostic::new(p.next(), Diagnostic::unexpected))?
37		}
38	}
39}
40
41#[cfg(test)]
42mod tests {
43	use super::super::*;
44	use crate::CssAtomSet;
45	use css_parse::{assert_parse, assert_parse_error};
46
47	#[test]
48	fn size_test() {
49		assert_eq!(std::mem::size_of::<DirectionStyleValue>(), 16);
50		assert_eq!(std::mem::size_of::<UnicodeBidiStyleValue>(), 16);
51		assert_eq!(std::mem::size_of::<WritingModeStyleValue>(), 16);
52		assert_eq!(std::mem::size_of::<TextOrientationStyleValue>(), 16);
53		assert_eq!(std::mem::size_of::<GlyphOrientationVerticalStyleValue>(), 16);
54		assert_eq!(std::mem::size_of::<TextCombineUprightStyleValue>(), 28);
55	}
56
57	#[test]
58	fn test_parse() {
59		assert_parse!(CssAtomSet::ATOMS, GlyphOrientationVerticalStyleValue, "auto");
60		assert_parse!(CssAtomSet::ATOMS, GlyphOrientationVerticalStyleValue, "0");
61		assert_parse!(CssAtomSet::ATOMS, GlyphOrientationVerticalStyleValue, "90");
62		assert_parse!(CssAtomSet::ATOMS, GlyphOrientationVerticalStyleValue, "90deg");
63		assert_parse!(CssAtomSet::ATOMS, TextCombineUprightStyleValue, "none");
64		assert_parse!(CssAtomSet::ATOMS, TextCombineUprightStyleValue, "all");
65		assert_parse!(CssAtomSet::ATOMS, TextCombineUprightStyleValue, "digits");
66		assert_parse!(CssAtomSet::ATOMS, TextCombineUprightStyleValue, "digits 2");
67		assert_parse!(CssAtomSet::ATOMS, TextCombineUprightStyleValue, "digits 4");
68	}
69
70	#[test]
71	fn test_parse_error() {
72		assert_parse_error!(CssAtomSet::ATOMS, GlyphOrientationVerticalStyleValue, "128");
73		assert_parse_error!(CssAtomSet::ATOMS, GlyphOrientationVerticalStyleValue, "50deg");
74		assert_parse_error!(CssAtomSet::ATOMS, GlyphOrientationVerticalStyleValue, "50deg");
75		assert_parse_error!(CssAtomSet::ATOMS, TextCombineUprightStyleValue, "digits 1");
76		assert_parse_error!(CssAtomSet::ATOMS, TextCombineUprightStyleValue, "digits 2 2");
77		assert_parse_error!(CssAtomSet::ATOMS, TextCombineUprightStyleValue, "digits 5");
78	}
79
80	#[cfg(feature = "css_feature_data")]
81	#[test]
82	fn test_feature_data() {
83		use crate::assert_feature_id;
84		assert_feature_id!("all", TextCombineUprightStyleValue, "css.properties.text-combine-upright.all");
85		assert_feature_id!("none", TextCombineUprightStyleValue, "css.properties.text-combine-upright.none");
86		assert_feature_id!("digits 2", TextCombineUprightStyleValue, "css.properties.text-combine-upright");
87	}
88}
css_ast/values/writing_modes/impls.rs

css_ast/values/writing_modes/
impls.rs
