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use std::borrow::Cow;
use std::fmt;
use ansi_term;
use crate::color;
#[derive(Clone, Copy, Debug, PartialEq)]
pub struct Style {
pub ansi_term_style: ansi_term::Style,
pub is_emph: bool,
pub is_omitted: bool,
pub is_raw: bool,
pub is_syntax_highlighted: bool,
pub decoration_style: 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),
BoxWithUnderline(ansi_term::Style),
BoxWithOverline(ansi_term::Style),
BoxWithUnderOverline(ansi_term::Style),
NoDecoration,
}
impl Style {
pub fn new() -> Self {
Self {
ansi_term_style: ansi_term::Style::new(),
is_emph: false,
is_omitted: false,
is_raw: false,
is_syntax_highlighted: false,
decoration_style: DecorationStyle::NoDecoration,
}
}
pub fn paint<'a, I, S: 'a + ToOwned + ?Sized>(
self,
input: I,
) -> ansi_term::ANSIGenericString<'a, S>
where
I: Into<Cow<'a, S>>,
<S as ToOwned>::Owned: fmt::Debug,
{
self.ansi_term_style.paint(input)
}
pub fn has_background_color(&self) -> bool {
if self.ansi_term_style.is_reverse {
self.ansi_term_style.foreground.is_some()
} else {
self.ansi_term_style.background.is_some()
}
}
pub fn decoration_ansi_term_style(&self) -> Option<ansi_term::Style> {
match self.decoration_style {
DecorationStyle::Box(style) => Some(style),
DecorationStyle::Underline(style) => Some(style),
DecorationStyle::Overline(style) => Some(style),
DecorationStyle::UnderOverline(style) => Some(style),
DecorationStyle::BoxWithUnderline(style) => Some(style),
DecorationStyle::BoxWithOverline(style) => Some(style),
DecorationStyle::BoxWithUnderOverline(style) => Some(style),
DecorationStyle::NoDecoration => None,
}
}
pub fn to_painted_string(&self) -> ansi_term::ANSIGenericString<str> {
self.paint(self.to_string())
}
fn to_string(&self) -> String {
format!(
"{} {}",
self.ansi_term_style
.foreground
.map(color::color_to_string)
.unwrap_or("normal".to_string()),
self.ansi_term_style
.background
.map(color::color_to_string)
.unwrap_or("".to_string())
)
}
}
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