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use super::*;
#[doc = include_str!("readme.md")]
#[derive(Debug, Clone)]
pub struct TailwindLeading {
kind: LineHeight,
}
#[derive(Debug, Clone)]
enum LineHeight {
Length(LengthUnit),
Standard(String),
}
impl Display for LineHeight {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
match self {
Self::Length(n) => write!(f, "{}", n.get_class_arbitrary()),
Self::Standard(g) => write!(f, "{}", g),
}
}
}
impl Display for TailwindLeading {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
write!(f, "leading-{}", self.kind)
}
}
impl TailwindInstance for TailwindLeading {
fn attributes(&self, _: &TailwindBuilder) -> BTreeSet<CssAttribute> {
let leading = match &self.kind {
LineHeight::Length(n) => n.get_properties(),
LineHeight::Standard(g) => g.to_string(),
};
css_attributes! {
"line-height" => leading
}
}
}
impl TailwindLeading {
pub fn parse(pattern: &[&str], arbitrary: &TailwindArbitrary) -> Result<Self> {
match pattern {
["none"] => scale(1.0),
["tight"] => scale(1.25),
["snug"] => scale(1.375),
["wide"] => scale(1.5),
["wider" | "relaxed"] => scale(1.625),
["widest" | "loose"] => scale(2.0),
["normal"] => Ok(Self { kind: LineHeight::Standard("normal".to_string()) }),
[] => Self::parse_arbitrary(arbitrary),
[n] => Self::parse_arbitrary(&TailwindArbitrary::from(*n)),
_ => syntax_error!("Unknown leading instructions: {}", pattern.join("-")),
}
}
pub fn parse_arbitrary(arbitrary: &TailwindArbitrary) -> Result<Self> {
Self::maybe_no_unit(arbitrary).or_else(|_| Self::maybe_length(arbitrary))
}
#[inline]
fn maybe_no_unit(arbitrary: &TailwindArbitrary) -> Result<Self> {
rem(arbitrary.as_float()? / 4.0)
}
#[inline]
fn maybe_length(arbitrary: &TailwindArbitrary) -> Result<Self> {
rem(arbitrary.as_float()? / 4.0)
}
}
#[inline(always)]
fn scale(x: f32) -> Result<TailwindLeading> {
Ok(TailwindLeading { kind: LineHeight::Length(LengthUnit::percent(x * 100.0)) })
}
#[inline(always)]
fn rem(x: f32) -> Result<TailwindLeading> {
Ok(TailwindLeading { kind: LineHeight::Length(LengthUnit::rem(x)) })
}