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use std::collections::HashMap;
use std::process;
use std::str::FromStr;
use ansi_term::Color;
use lazy_static::lazy_static;
use syntect::highlighting::Color as SyntectColor;
use crate::bat_utils::terminal::to_ansi_color;
use crate::syntect_color;
pub fn parse_color(s: &str, true_color: bool) -> Option<Color> {
if s == "normal" {
return None;
}
let die = || {
eprintln!("Invalid color or style attribute: {}", s);
process::exit(1);
};
let syntect_color = if s.starts_with('#') {
SyntectColor::from_str(s).unwrap_or_else(|_| die())
} else {
s.parse::<u8>()
.ok()
.and_then(syntect_color::syntect_color_from_ansi_number)
.or_else(|| syntect_color::syntect_color_from_ansi_name(s))
.unwrap_or_else(die)
};
Some(to_ansi_color(syntect_color, true_color))
}
pub fn color_to_string(color: Color) -> String {
match color {
Color::Fixed(n) if n < 16 => ansi_16_color_number_to_name(n).unwrap().to_string(),
Color::Fixed(n) => format!("{}", n),
Color::RGB(r, g, b) => format!("\"#{:02x?}{:02x?}{:02x?}\"", r, g, b),
Color::Black => "black".to_string(),
Color::Red => "red".to_string(),
Color::Green => "green".to_string(),
Color::Yellow => "yellow".to_string(),
Color::Blue => "blue".to_string(),
Color::Purple => "purple".to_string(),
Color::Cyan => "cyan".to_string(),
Color::White => "white".to_string(),
}
}
// See
// https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit
lazy_static! {
static ref ANSI_16_COLORS: HashMap<&'static str, u8> = {
vec![
("black", 0),
("red", 1),
("green", 2),
("yellow", 3),
("blue", 4),
("magenta", 5),
("purple", 5),
("cyan", 6),
("white", 7),
("bright-black", 8),
("brightblack", 8),
("bright-red", 9),
("brightred", 9),
("bright-green", 10),
("brightgreen", 10),
("bright-yellow", 11),
("brightyellow", 11),
("bright-blue", 12),
("brightblue", 12),
("bright-magenta", 13),
("brightmagenta", 13),
("bright-purple", 13),
("brightpurple", 13),
("bright-cyan", 14),
("brightcyan", 14),
("bright-white", 15),
("brightwhite", 15),
]
.into_iter()
.collect()
};
}
pub fn ansi_16_color_name_to_number(name: &str) -> Option<u8> {
ANSI_16_COLORS.get(name).copied()
}
fn ansi_16_color_number_to_name(n: u8) -> Option<&'static str> {
for (k, _n) in &*ANSI_16_COLORS {
if *_n == n {
return Some(&*k);
}
}
None
}
pub fn get_minus_background_color_default(is_light_mode: bool, is_true_color: bool) -> Color {
match (is_light_mode, is_true_color) {
(true, true) => LIGHT_THEME_MINUS_COLOR,
(true, false) => LIGHT_THEME_MINUS_COLOR_256,
(false, true) => DARK_THEME_MINUS_COLOR,
(false, false) => DARK_THEME_MINUS_COLOR_256,
}
}
pub fn get_minus_emph_background_color_default(is_light_mode: bool, is_true_color: bool) -> Color {
match (is_light_mode, is_true_color) {
(true, true) => LIGHT_THEME_MINUS_EMPH_COLOR,
(true, false) => LIGHT_THEME_MINUS_EMPH_COLOR_256,
(false, true) => DARK_THEME_MINUS_EMPH_COLOR,
(false, false) => DARK_THEME_MINUS_EMPH_COLOR_256,
}
}
pub fn get_plus_background_color_default(is_light_mode: bool, is_true_color: bool) -> Color {
match (is_light_mode, is_true_color) {
(true, true) => LIGHT_THEME_PLUS_COLOR,
(true, false) => LIGHT_THEME_PLUS_COLOR_256,
(false, true) => DARK_THEME_PLUS_COLOR,
(false, false) => DARK_THEME_PLUS_COLOR_256,
}
}
pub fn get_plus_emph_background_color_default(is_light_mode: bool, is_true_color: bool) -> Color {
match (is_light_mode, is_true_color) {
(true, true) => LIGHT_THEME_PLUS_EMPH_COLOR,
(true, false) => LIGHT_THEME_PLUS_EMPH_COLOR_256,
(false, true) => DARK_THEME_PLUS_EMPH_COLOR,
(false, false) => DARK_THEME_PLUS_EMPH_COLOR_256,
}
}
const LIGHT_THEME_MINUS_COLOR: Color = Color::RGB(0xff, 0xe0, 0xe0);
const LIGHT_THEME_MINUS_COLOR_256: Color = Color::Fixed(224);
const LIGHT_THEME_MINUS_EMPH_COLOR: Color = Color::RGB(0xff, 0xc0, 0xc0);
const LIGHT_THEME_MINUS_EMPH_COLOR_256: Color = Color::Fixed(217);
const LIGHT_THEME_PLUS_COLOR: Color = Color::RGB(0xd0, 0xff, 0xd0);
const LIGHT_THEME_PLUS_COLOR_256: Color = Color::Fixed(194);
const LIGHT_THEME_PLUS_EMPH_COLOR: Color = Color::RGB(0xa0, 0xef, 0xa0);
const LIGHT_THEME_PLUS_EMPH_COLOR_256: Color = Color::Fixed(157);
const DARK_THEME_MINUS_COLOR: Color = Color::RGB(0x3f, 0x00, 0x01);
const DARK_THEME_MINUS_COLOR_256: Color = Color::Fixed(52);
const DARK_THEME_MINUS_EMPH_COLOR: Color = Color::RGB(0x90, 0x10, 0x11);
const DARK_THEME_MINUS_EMPH_COLOR_256: Color = Color::Fixed(124);
const DARK_THEME_PLUS_COLOR: Color = Color::RGB(0x00, 0x28, 0x00);
const DARK_THEME_PLUS_COLOR_256: Color = Color::Fixed(22);
const DARK_THEME_PLUS_EMPH_COLOR: Color = Color::RGB(0x00, 0x60, 0x00);
const DARK_THEME_PLUS_EMPH_COLOR_256: Color = Color::Fixed(28);
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