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use std::str::FromStr;
use syntect::highlighting::{Color, FontStyle, Style};
use crate::color;
use crate::style as delta_style;
pub fn syntect_color_from_ansi_name(name: &str) -> Option<Color> {
color::ansi_16_color_name_to_number(name).and_then(syntect_color_from_ansi_number)
}
/// Convert 8-bit ANSI code to #RGBA string with ANSI code in red channel and 0 in alpha channel.
// See https://github.com/sharkdp/bat/pull/543
pub fn syntect_color_from_ansi_number(n: u8) -> Option<Color> {
Color::from_str(&format!("#{:02x}000000", n)).ok()
}
pub trait FromAnsiTermStyle {
fn from_ansi_term_style(ansi_term_style: ansi_term::Style) -> Self;
}
impl FromAnsiTermStyle for Style {
fn from_ansi_term_style(ansi_term_style: ansi_term::Style) -> Self {
let default = Self::default();
Self {
foreground: if let Some(color) = ansi_term_style.foreground {
Color::from_ansi_term_color(color)
} else {
default.foreground
},
background: if let Some(color) = ansi_term_style.background {
Color::from_ansi_term_color(color)
} else {
default.background
},
font_style: FontStyle::from_ansi_term_style(ansi_term_style),
}
}
}
impl FromAnsiTermStyle for FontStyle {
fn from_ansi_term_style(ansi_term_style: ansi_term::Style) -> Self {
let mut font_style = FontStyle::empty();
if ansi_term_style.is_bold {
font_style |= FontStyle::BOLD
}
if ansi_term_style.is_italic {
font_style |= FontStyle::ITALIC
}
if ansi_term_style.is_underline {
font_style |= FontStyle::UNDERLINE
}
font_style
}
}
pub trait FromAnsiTermColor {
fn from_ansi_term_color(ansi_term_color: ansi_term::Color) -> Self;
}
impl FromAnsiTermColor for Color {
fn from_ansi_term_color(ansi_term_color: ansi_term::Color) -> Self {
match ansi_term_color {
ansi_term::Color::Black => syntect_color_from_ansi_number(0).unwrap(),
ansi_term::Color::Red => syntect_color_from_ansi_number(1).unwrap(),
ansi_term::Color::Green => syntect_color_from_ansi_number(2).unwrap(),
ansi_term::Color::Yellow => syntect_color_from_ansi_number(3).unwrap(),
ansi_term::Color::Blue => syntect_color_from_ansi_number(4).unwrap(),
ansi_term::Color::Purple => syntect_color_from_ansi_number(5).unwrap(),
ansi_term::Color::Cyan => syntect_color_from_ansi_number(6).unwrap(),
ansi_term::Color::White => syntect_color_from_ansi_number(7).unwrap(),
ansi_term::Color::Fixed(n) => syntect_color_from_ansi_number(n).unwrap(),
ansi_term::Color::RGB(r, g, b) => Self { r, g, b, a: 0xFF },
}
}
}
pub trait FromDeltaStyle {
fn from_delta_style(delta_style: delta_style::Style) -> Self;
}
impl FromDeltaStyle for Style {
fn from_delta_style(delta_style: delta_style::Style) -> Self {
Self::from_ansi_term_style(delta_style.ansi_term_style)
}
}
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