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use ansi_term::{ANSIString, Style};
use std::fmt;
/// A segment is a single configurable element in a module. This will usually
/// contain a data point to provide context for the prompt's user
/// (e.g. The version that software is running).
#[derive(Clone)]
pub struct Segment {
/// The segment's name, to be used in configuration and logging.
pub _name: String,
/// The segment's style. If None, will inherit the style of the module containing it.
pub style: Option<Style>,
/// The string value of the current segment.
pub value: String,
}
impl Segment {
/// Creates a new segment with default fields.
pub fn new(name: &str) -> Self {
Self {
_name: name.to_string(),
style: None,
value: "".to_string(),
}
}
/// Sets the style of the segment.
///
/// Accepts either `Color` or `Style`.
pub fn set_style<T>(&mut self, style: T) -> &mut Self
where
T: Into<Style>,
{
self.style = Some(style.into());
self
}
/// Check if the segment has a style
pub fn has_style(&self) -> bool {
self.style.is_some()
}
/// Sets the value of the segment.
pub fn set_value<T>(&mut self, value: T) -> &mut Self
where
T: Into<String>,
{
self.value = value.into();
self
}
/// Gets the value of the segment.
pub fn get_value(&self) -> &str {
&self.value
}
// Returns the ANSIString of the segment value, not including its prefix and suffix
pub fn ansi_string(&self) -> ANSIString {
match self.style {
Some(style) => style.paint(&self.value),
None => ANSIString::from(&self.value),
}
}
/// Determines if the segment contains a value.
pub fn is_empty(&self) -> bool {
self.value.trim().is_empty()
}
}
impl fmt::Display for Segment {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", self.ansi_string())
}
}
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