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use std::collections::HashSet;
use std::str::FromStr;
use crate::error::*;
#[derive(Debug, Eq, PartialEq, Copy, Clone, Hash)]
pub enum StyleComponent {
Auto,
#[cfg(feature = "git")]
Changes,
Grid,
Header,
LineNumbers,
Snip,
Full,
Plain,
}
impl StyleComponent {
pub fn components(self, interactive_terminal: bool) -> &'static [StyleComponent] {
match self {
StyleComponent::Auto => {
if interactive_terminal {
StyleComponent::Full.components(interactive_terminal)
} else {
StyleComponent::Plain.components(interactive_terminal)
}
}
#[cfg(feature = "git")]
StyleComponent::Changes => &[StyleComponent::Changes],
StyleComponent::Grid => &[StyleComponent::Grid],
StyleComponent::Header => &[StyleComponent::Header],
StyleComponent::LineNumbers => &[StyleComponent::LineNumbers],
StyleComponent::Snip => &[StyleComponent::Snip],
StyleComponent::Full => &[
#[cfg(feature = "git")]
StyleComponent::Changes,
StyleComponent::Grid,
StyleComponent::Header,
StyleComponent::LineNumbers,
StyleComponent::Snip,
],
StyleComponent::Plain => &[],
}
}
}
impl FromStr for StyleComponent {
type Err = Error;
fn from_str(s: &str) -> Result<Self> {
match s {
"auto" => Ok(StyleComponent::Auto),
#[cfg(feature = "git")]
"changes" => Ok(StyleComponent::Changes),
"grid" => Ok(StyleComponent::Grid),
"header" => Ok(StyleComponent::Header),
"numbers" => Ok(StyleComponent::LineNumbers),
"snip" => Ok(StyleComponent::Snip),
"full" => Ok(StyleComponent::Full),
"plain" => Ok(StyleComponent::Plain),
_ => Err(format!("Unknown style '{}'", s).into()),
}
}
}
#[derive(Debug, Clone, Default)]
pub struct StyleComponents(pub HashSet<StyleComponent>);
impl StyleComponents {
pub fn new(components: &[StyleComponent]) -> StyleComponents {
StyleComponents(components.iter().cloned().collect())
}
#[cfg(feature = "git")]
pub fn changes(&self) -> bool {
self.0.contains(&StyleComponent::Changes)
}
pub fn grid(&self) -> bool {
self.0.contains(&StyleComponent::Grid)
}
pub fn header(&self) -> bool {
self.0.contains(&StyleComponent::Header)
}
pub fn numbers(&self) -> bool {
self.0.contains(&StyleComponent::LineNumbers)
}
pub fn snip(&self) -> bool {
self.0.contains(&StyleComponent::Snip)
}
pub fn plain(&self) -> bool {
self.0.iter().all(|c| c == &StyleComponent::Plain)
}
}
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