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use ansi_term::Style;
#[derive(Clone)]
pub struct Segment {
name: Option<String>,
style: Style,
value: String,
prefix: OptionalSegment,
suffix: OptionalSegment,
}
impl Segment {
pub fn new<T>(name: T) -> Segment
where
T: Into<String>,
T: Copy,
{
let default_prefix = Some(Box::new(Segment {
name: Some(format!("{} {}", name.into(), "prefix")),
style: Style::default(),
value: String::from("via "),
prefix: None,
suffix: None,
}));
let default_suffix = Some(Box::new(Segment {
name: Some(format!("{} {}", name.into(), "suffix")),
style: Style::default(),
value: String::from(" "),
prefix: None,
suffix: None,
}));
Segment {
name: Some(name.into()),
style: Style::default(),
value: String::from(""),
prefix: default_prefix,
suffix: default_suffix,
}
}
pub fn set_style<'a, T>(&'a mut self, style: T) -> &'a mut Segment
where
T: Into<Style>,
{
self.style = style.into();
self
}
pub fn set_value<'a, T>(&'a mut self, value: T) -> &'a mut Segment
where
T: Into<String>,
{
self.value = value.into();
self
}
pub fn set_prefix<'a>(&'a mut self, prefix: Segment) -> &'a mut Segment {
self.prefix = Some(Box::new(prefix));
self
}
pub fn set_suffix<'a>(&'a mut self, suffix: Segment) -> &'a mut Segment {
self.suffix = Some(Box::new(suffix));
self
}
/// Create a string with the formatted contents of a segment
///
/// Will recursively also format the prefix and suffix of the segment being
/// stringified.
pub fn output<'a>(&'a self) -> String {
let Segment {
name: _name,
prefix,
value,
style,
suffix,
} = self;
let mut segment_string = String::new();
if let Some(prefix) = prefix {
segment_string += &prefix.output()
}
segment_string += &style.paint(value).to_string();
if let Some(suffix) = suffix {
segment_string += &suffix.output();
}
segment_string
}
}
type OptionalSegment = Option<Box<Segment>>;
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