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

css_ast/functions/
snap_block_function.rs
