tailwind_css_fixes/systems/units/integer_only/
mod.rs

1use super::*;
2
3mod traits;
4
5/// Used to represent those attributes that only have integers
6#[derive(Debug, Clone)]
7pub enum NumericValue {
8    Number { n: f32, negative: bool, can_be_negative: bool },
9    Keyword(String),
10    Arbitrary(TailwindArbitrary),
11}
12
13impl NumericValue {
14    pub fn get_properties(&self, number: impl FnOnce(&f32) -> String) -> String {
15        match self {
16            Self::Number { n, .. } => number(n),
17            Self::Keyword(s) => s.to_string(),
18            Self::Arbitrary(s) => s.get_properties(),
19        }
20    }
21    pub fn write_negative(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
22        match *self {
23            Self::Number { n, can_be_negative, .. } if can_be_negative && n < 0.0 => write!(f, "-"),
24            _ => write!(f, ""),
25        }
26    }
27    pub fn write_class(&self, f: &mut Formatter, before: &str) -> std::fmt::Result {
28        write!(f, "{}{}", before, self)
29    }
30}
31
32impl NumericValue {
33    pub fn negative_parser(
34        id: &'static str,
35        checker: impl Fn(&str) -> bool,
36    ) -> impl Fn(&[&str], &TailwindArbitrary, Negative) -> Result<Self> {
37        move |pattern: &[&str], arbitrary: &TailwindArbitrary, negative: Negative| {
38            let joined = pattern.join("-");
39            match pattern {
40                _ if checker(&joined) => Ok(Self::Keyword(joined)),
41                [] => Self::parse_arbitrary(arbitrary),
42                [n] => Self::parse_number(n, negative),
43                _ => Err(TailwindError::syntax_error(format!("Unknown {} pattern", id))),
44            }
45        }
46    }
47    pub fn positive_parser(
48        id: &'static str,
49        checker: impl Fn(&str) -> bool,
50    ) -> impl Fn(&[&str], &TailwindArbitrary) -> Result<Self> {
51        move |pattern: &[&str], arbitrary: &TailwindArbitrary| {
52            let joined = pattern.join("-");
53            match pattern {
54                _ if checker(&joined) => Ok(Self::Keyword(joined)),
55                [] => Self::parse_arbitrary(arbitrary),
56                [n] => {
57                    let i = TailwindArbitrary::from(*n).as_integer()?;
58                    Ok(Self::Number { n: i as f32, negative: false, can_be_negative: true })
59                },
60                _ => Err(TailwindError::syntax_error(format!("Unknown {} pattern", id))),
61            }
62        }
63    }
64    pub fn parse_arbitrary(arbitrary: &TailwindArbitrary) -> Result<Self> {
65        Ok(Self::Arbitrary(TailwindArbitrary::new(arbitrary)?))
66    }
67    pub fn parse_number(n: &str, negative: Negative) -> Result<Self> {
68        let mut n = TailwindArbitrary::from(n).as_float()?;
69        if negative.0 {
70            n = -n
71        }
72        Ok(Self::Number { n, negative: negative.0, can_be_negative: false })
73    }
74}
tailwind_css_fixes/systems/units/integer_only/mod.rs

tailwind_css_fixes/systems/units/integer_only/
mod.rs
