tailwind_ast/ast/
methods.rs

1use super::*;
2
3impl<'a> AstStyle<'a> {
4    ///
5    #[inline]
6    pub fn is_self_reference(&self) -> bool {
7        matches!(self.elements.as_slice(), ["&"])
8    }
9}
10
11impl<'a> AstGroup<'a> {
12    ///
13    #[inline]
14    pub fn expand(self, styles: &mut Vec<AstStyle<'a>>) {
15        let head = &self.head;
16        for item in self.children {
17            item.expand_with_head(styles, head)
18        }
19    }
20}
21
22impl<'a> Add<AstGroup<'a>> for AstStyle<'a> {
23    type Output = AstGroup<'a>;
24    #[inline]
25    fn add(self, rhs: AstGroup<'a>) -> Self::Output {
26        let mut head = self;
27        head.add_assign(&rhs.head);
28        AstGroup { important: false, head, children: rhs.children }
29    }
30}
31
32impl<'a> AstGroupItem<'a> {
33    ///
34    #[inline]
35    pub fn expand(self, styles: &mut Vec<AstStyle<'a>>) {
36        match self {
37            Self::Grouped(g) => g.expand(styles),
38            Self::Styled(rhs) => styles.push(rhs),
39        }
40    }
41
42    ///
43    #[inline]
44    pub fn expand_with_head(self, styles: &mut Vec<AstStyle<'a>>, head: &AstStyle<'a>) {
45        match self {
46            Self::Grouped(g) => {
47                let new = head.clone().add(g);
48                new.expand(styles)
49            }
50            Self::Styled(rhs) => {
51                let mut new = head.clone();
52                new.add_assign(&rhs);
53                styles.push(new)
54            }
55        }
56    }
57}
58
59impl<'a> AddAssign<&AstStyle<'a>> for AstStyle<'a> {
60    #[inline]
61    fn add_assign(&mut self, rhs: &AstStyle<'a>) {
62        self.negative = merge_negative(self.negative, rhs.negative);
63        self.variants.extend(rhs.variants.iter().cloned());
64        self.arbitrary = self.arbitrary.or(self.arbitrary);
65        match rhs.is_self_reference() {
66            true => {}
67            false => self.elements.extend(rhs.elements.iter().cloned()),
68        };
69    }
70}
71
72#[inline]
73fn merge_negative(lhs: bool, rhs: bool) -> bool {
74    match (lhs, rhs) {
75        (true, true) => true,
76        (true, false) | (false, true) => true,
77        (false, false) => false,
78    }
79}
tailwind_ast/ast/methods.rs

tailwind_ast/ast/
methods.rs
