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use super::*;
#[derive(Debug, Clone)]
enum Basis {
Number(f32),
Length(LengthUnit),
Standard(String),
Arbitrary(TailwindArbitrary),
}
#[doc=include_str!("readme.md")]
#[derive(Debug, Clone)]
pub struct TailwindBasis {
kind: Basis,
}
impl Display for TailwindBasis {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
write!(f, "basis-")?;
match &self.kind {
Basis::Number(n) => write!(f, "{}", n),
Basis::Length(n) if n.is_fraction() => write!(f, "{}", n.get_class()),
Basis::Length(n) => write!(f, "{}", n.get_class_arbitrary()),
Basis::Standard(s) => match s.as_str() {
"fit-content" => write!(f, "fit"),
"min-content" => write!(f, "min"),
"max-content" => write!(f, "max"),
_ => write!(f, "{}", s),
},
Basis::Arbitrary(s) => s.write(f),
}
}
}
impl TailwindInstance for TailwindBasis {
fn attributes(&self, _: &TailwindBuilder) -> CssAttributes {
let basis = match &self.kind {
Basis::Number(n) => format!("{}rem", *n as f32 / 4.0),
Basis::Length(n) => n.get_properties(),
Basis::Standard(s) => s.to_string(),
Basis::Arbitrary(s) => s.get_properties(),
};
css_attributes! {
"flex-basis" => basis
}
}
}
impl TailwindBasis {
pub fn parse(pattern: &[&str], arbitrary: &TailwindArbitrary) -> Result<Self> {
Ok(Self { kind: Basis::parse(pattern, arbitrary)? })
}
pub fn parse_arbitrary(arbitrary: &TailwindArbitrary) -> Result<Self> {
Ok(Self { kind: Basis::parse_arbitrary(arbitrary)? })
}
pub fn check_valid(mode: &str) -> bool {
Basis::check_valid(mode)
}
}
impl Basis {
pub fn parse(pattern: &[&str], arbitrary: &TailwindArbitrary) -> Result<Self> {
let out = match pattern {
["px"] => Self::Length(LengthUnit::px(1.0)),
["full"] => Self::Length(LengthUnit::Fraction(1, 1)),
["fit" | "min" | "max", "content"] => Self::Standard(pattern.join("-")),
[s @ ("fit" | "min" | "max")] => Self::Standard(format!("{}-content", s)),
[s] if Self::check_valid(s) => Self::Standard(s.to_string()),
[n] => {
let a = TailwindArbitrary::from(*n);
Self::maybe_length(&a).or_else(|_| Self::maybe_float(&a))?
},
[] => Self::parse_arbitrary(arbitrary)?,
_ => return syntax_error!("Unknown basis instructions"),
};
Ok(out)
}
pub fn parse_arbitrary(arbitrary: &TailwindArbitrary) -> Result<Self> {
Ok(Self::Arbitrary(TailwindArbitrary::new(arbitrary)?))
}
fn maybe_float(arbitrary: &TailwindArbitrary) -> Result<Self> {
Ok(Self::Number(arbitrary.as_float()?))
}
fn maybe_length(arbitrary: &TailwindArbitrary) -> Result<Self> {
Ok(Self::Length(arbitrary.as_length_or_fraction()?))
}
pub fn check_valid(mode: &str) -> bool {
let set = BTreeSet::from_iter(vec![
"auto",
"content",
"fill",
"fit-content",
"inherit",
"initial",
"max-content",
"min-content",
"revert",
"unset",
]);
set.contains(mode)
}
}
