use ansi_term::Color::{self, Fixed, RGB}; use ansi_term::{self, Style}; use syntect::highlighting::{self, FontStyle}; pub fn to_ansi_color(color: highlighting::Color, true_color: bool) -> ansi_term::Color { if color.a == 0 { // Themes can specify one of the user-configurable terminal colors by // encoding them as #RRGGBBAA with AA set to 00 (transparent) and RR set // to the 8-bit color palette number. The built-in themes ansi-light, // ansi-dark, and base16 use this. match color.r { // For the first 8 colors, use the Color enum to produce ANSI escape // sequences using codes 30-37 (foreground) and 40-47 (background). // For example, red foreground is \x1b[31m. This works on terminals // without 256-color support. 0x00 => Color::Black, 0x01 => Color::Red, 0x02 => Color::Green, 0x03 => Color::Yellow, 0x04 => Color::Blue, 0x05 => Color::Purple, 0x06 => Color::Cyan, 0x07 => Color::White, // For all other colors, use Fixed to produce escape sequences using // codes 38;5 (foreground) and 48;5 (background). For example, // bright red foreground is \x1b[38;5;9m. This only works on // terminals with 256-color support. // // TODO: When ansi_term adds support for bright variants using codes // 90-97 (foreground) and 100-107 (background), we should use those // for values 0x08 to 0x0f and only use Fixed for 0x10 to 0xff. n => Fixed(n), } } else if true_color { RGB(color.r, color.g, color.b) } else { Fixed(ansi_colours::ansi256_from_rgb((color.r, color.g, color.b))) } } pub fn as_terminal_escaped( style: highlighting::Style, text: &str, true_color: bool, colored: bool, italics: bool, background_color: Option, ) -> String { if text.is_empty() { return text.to_string(); } let mut style = if !colored { Style::default() } else { let mut color = Style::from(to_ansi_color(style.foreground, true_color)); if style.font_style.contains(FontStyle::BOLD) { color = color.bold(); } if style.font_style.contains(FontStyle::UNDERLINE) { color = color.underline(); } if italics && style.font_style.contains(FontStyle::ITALIC) { color = color.italic(); } color }; style.background = background_color.map(|c| to_ansi_color(c, true_color)); style.paint(text).to_string() }