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use ansi_term::{self, Color};
#[derive(Clone, Copy, Debug, PartialEq)]
pub struct Style {
pub ansi_term_style: ansi_term::Style,
pub is_syntax_highlighted: bool,
pub decoration_style: Option<DecorationStyle>,
}
#[derive(Clone, Copy, Debug, PartialEq)]
pub enum DecorationStyle {
Box(ansi_term::Style),
Underline(ansi_term::Style),
Overline(ansi_term::Style),
Underoverline(ansi_term::Style),
Omit,
}
impl Style {
pub fn new() -> Self {
Self {
ansi_term_style: ansi_term::Style::new(),
is_syntax_highlighted: false,
decoration_style: None,
}
}
pub fn decoration_ansi_term_style(&self) -> Option<ansi_term::Style> {
match self.decoration_style {
Some(DecorationStyle::Box(style)) => Some(style),
Some(DecorationStyle::Underline(style)) => Some(style),
Some(DecorationStyle::Overline(style)) => Some(style),
Some(DecorationStyle::Underoverline(style)) => Some(style),
_ => None,
}
}
}
// See
// https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit
pub fn ansi_color_name_to_number(name: &str) -> Option<u8> {
match name.to_lowercase().as_ref() {
"black" => Some(0),
"red" => Some(1),
"green" => Some(2),
"yellow" => Some(3),
"blue" => Some(4),
"magenta" => Some(5),
"purple" => Some(5),
"cyan" => Some(6),
"white" => Some(7),
"bright-black" => Some(8),
"bright-red" => Some(9),
"bright-green" => Some(10),
"bright-yellow" => Some(11),
"bright-blue" => Some(12),
"bright-magenta" => Some(13),
"bright-purple" => Some(13),
"bright-cyan" => Some(14),
"bright-white" => Some(15),
_ => None,
}
}
pub const LIGHT_THEMES: [&str; 5] = [
"GitHub",
"Monokai Extended Light",
"OneHalfLight",
"ansi-light",
"Solarized (light)",
];
pub const DEFAULT_LIGHT_THEME: &str = "GitHub";
pub const DEFAULT_DARK_THEME: &str = "Monokai Extended";
pub fn is_light_theme(theme: &str) -> bool {
LIGHT_THEMES.contains(&theme)
}
pub fn is_no_syntax_highlighting_theme_name(theme_name: &str) -> bool {
theme_name.to_lowercase() == "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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