css_ast/functions/
snap_block_function.rs

1use super::prelude::*;
2use crate::units::LengthPercentage;
3
4// https://drafts.csswg.org/css-page-floats-3/#funcdef-float-snap-block
5// snap-block() = snap-block( <length> , [ start | end | near ]? )
6#[derive(Parse, Peek, ToCursors, ToSpan, SemanticEq, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
7#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
8#[cfg_attr(feature = "visitable", derive(csskit_derives::Visitable), visit(self))]
9#[derive(csskit_derives::NodeWithMetadata)]
10pub struct SnapBlockFunction {
11	#[atom(CssAtomSet::SnapBlock)]
12	pub name: T![Function],
13	pub params: SnapBlockFunctionParams,
14	pub close: T![')'],
15}
16
17#[derive(Parse, Peek, ToCursors, ToSpan, SemanticEq, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
18#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
19pub struct SnapBlockFunctionParams(LengthPercentage, Option<T![,]>, Option<SnapBlockKeyword>, Option<T![,]>);
20
21#[derive(Parse, Peek, ToCursors, ToSpan, SemanticEq, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
22#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
23#[cfg_attr(feature = "visitable", derive(csskit_derives::Visitable), visit(skip))]
24#[derive(csskit_derives::NodeWithMetadata)]
25pub enum SnapBlockKeyword {
26	#[atom(CssAtomSet::Start)]
27	Start(T![Ident]),
28	#[atom(CssAtomSet::End)]
29	End(T![Ident]),
30	#[atom(CssAtomSet::Near)]
31	Near(T![Ident]),
32}
33
34#[cfg(test)]
35mod tests {
36	use super::*;
37	use crate::CssAtomSet;
38	use css_parse::{assert_parse, assert_parse_error};
39
40	#[test]
41	fn size_test() {
42		assert_eq!(std::mem::size_of::<SnapBlockFunction>(), 88);
43	}
44
45	#[test]
46	fn test_writes() {
47		assert_parse!(CssAtomSet::ATOMS, SnapBlockFunction, "snap-block(10%)");
48		assert_parse!(CssAtomSet::ATOMS, SnapBlockFunction, "snap-block(10%,start)");
49	}
50
51	#[test]
52	fn test_errors() {
53		assert_parse_error!(CssAtomSet::ATOMS, SnapBlockFunction, "snap-inline(10%)");
54		assert_parse_error!(CssAtomSet::ATOMS, SnapBlockFunction, "snap-block(start)");
55	}
56}
css_ast/functions/snap_block_function.rs

css_ast/functions/
snap_block_function.rs
