use {
crate::{theme::Color, utils::errorfmt::ErrorFmt},
std::ops::Range,
};
pub fn parse_color(string: &str) -> Color {
let hex = match string.strip_prefix("#") {
Some(s) => s,
_ => fatal!("Color must start with #"),
};
let d = |range: Range<usize>| match u8::from_str_radix(&hex[range.clone()], 16) {
Ok(n) => n,
Err(e) => {
fatal!(
"Could not parse color component {}: {}",
&hex[range],
ErrorFmt(e)
)
}
};
let s = |range: Range<usize>| {
let v = d(range);
(v << 4) | v
};
let (r, g, b, a) = match hex.len() {
3 => (s(0..1), s(1..2), s(2..3), u8::MAX),
4 => (s(0..1), s(1..2), s(2..3), s(3..4)),
6 => (d(0..2), d(2..4), d(4..6), u8::MAX),
8 => (d(0..2), d(2..4), d(4..6), d(6..8)),
_ => fatal!(
"Unexpected length of color string (should be 3, 4, 6, or 8): {}",
hex.len()
),
};
jay_config::theme::Color::new_straight(r, g, b, a).into()
}