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terminal.rs
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terminal.rs
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extern crate ansi_colours;
use ansi_term::Colour::{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::Colour {
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 color palette number. The built-in themes ansi-light,
// ansi-dark, and base16 use this.
Fixed(color.r)
} 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<highlighting::Color>,
) -> String {
if text.is_empty() {
return text.to_string();
}
let mut style = if !colored {
Style::default()
} else {
let color = to_ansi_color(style.foreground, true_color);
if style.font_style.contains(FontStyle::BOLD) {
color.bold()
} else if style.font_style.contains(FontStyle::UNDERLINE) {
color.underline()
} else if italics && style.font_style.contains(FontStyle::ITALIC) {
color.italic()
} else {
color.normal()
}
};
style.background = background_color.map(|c| to_ansi_color(c, true_color));
style.paint(text).to_string()
}