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use core::fmt;
use crate::{FgColorDisplay, BgColorDisplay};
macro_rules! colors {
($(
$color:ident $fg:literal $bg:literal
),* $(,)?) => {
use crate::Color;
$(
pub struct $color;
impl Color for $color {
const ANSI_FG: &'static str = concat!("\x1b[", $fg, "m");
const ANSI_BG: &'static str = concat!("\x1b[", $bg, "m");
}
)*
};
}
colors!{
Black "30" "40",
Red "31" "41",
Green "32" "42",
Yellow "33" "43",
Blue "34" "44",
Magenta "35" "45",
Cyan "36" "46",
White "37" "47",
BrightBlack "90" "100",
BrightRed "91" "101",
BrightGreen "92" "102",
BrightYellow "93" "103",
BrightBlue "94" "104",
BrightMagenta "95" "105",
BrightCyan "96" "106",
BrightWhite "97" "107",
}
macro_rules! impl_fmt_for {
($(($ty:ident, $trait:path, $const:ident)),* $(,)?) => {
$(
impl<'a, Color: crate::Color, T: $trait> $trait for $ty<'a, Color, T> {
#[inline(always)]
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str(Color::$const)?;
<T as $trait>::fmt(&self.0, f)?;
f.write_str("\x1b[0m")
}
}
)*
};
}
impl_fmt_for!{
(FgColorDisplay, fmt::Display, ANSI_FG),
(FgColorDisplay, fmt::Debug, ANSI_FG),
(FgColorDisplay, fmt::UpperHex, ANSI_FG),
(FgColorDisplay, fmt::LowerHex, ANSI_FG),
(FgColorDisplay, fmt::Binary, ANSI_FG),
(FgColorDisplay, fmt::UpperExp, ANSI_FG),
(FgColorDisplay, fmt::LowerExp, ANSI_FG),
(FgColorDisplay, fmt::Octal, ANSI_FG),
(FgColorDisplay, fmt::Pointer, ANSI_FG),
(BgColorDisplay, fmt::Display, ANSI_BG),
(BgColorDisplay, fmt::Debug, ANSI_BG),
(BgColorDisplay, fmt::UpperHex, ANSI_BG),
(BgColorDisplay, fmt::LowerHex, ANSI_BG),
(BgColorDisplay, fmt::Binary, ANSI_BG),
(BgColorDisplay, fmt::UpperExp, ANSI_BG),
(BgColorDisplay, fmt::LowerExp, ANSI_BG),
(BgColorDisplay, fmt::Octal, ANSI_BG),
(BgColorDisplay, fmt::Pointer, ANSI_BG),
}