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#[allow(deprecated, unused_imports)]
use std::ascii::AsciiExt;
use std::str::FromStr;
use std::fmt;
/// Describes which shell to produce a completions file for
#[cfg_attr(feature = "lints", allow(enum_variant_names))]
#[derive(Debug, Copy, Clone)]
pub enum Shell {
/// Generates a .bash completion file for the Bourne Again SHell (BASH)
Bash,
/// Generates a .fish completion file for the Friendly Interactive SHell (fish)
Fish,
/// Generates a completion file for the Z SHell (ZSH)
Zsh,
/// Generates a completion file for PowerShell
PowerShell,
/// Generates a completion file for Elvish
Elvish,
}
impl Shell {
/// A list of possible variants in `&'static str` form
pub fn variants() -> [&'static str; 5] { ["zsh", "bash", "fish", "powershell", "elvish"] }
}
impl FromStr for Shell {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"ZSH" | _ if s.eq_ignore_ascii_case("zsh") => Ok(Shell::Zsh),
"FISH" | _ if s.eq_ignore_ascii_case("fish") => Ok(Shell::Fish),
"BASH" | _ if s.eq_ignore_ascii_case("bash") => Ok(Shell::Bash),
"POWERSHELL" | _ if s.eq_ignore_ascii_case("powershell") => Ok(Shell::PowerShell),
"ELVISH" | _ if s.eq_ignore_ascii_case("elvish") => Ok(Shell::Elvish),
_ => Err(String::from("[valid values: bash, fish, zsh, powershell, elvish]")),
}
}
}
impl fmt::Display for Shell {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
Shell::Bash => write!(f, "BASH"),
Shell::Fish => write!(f, "FISH"),
Shell::Zsh => write!(f, "ZSH"),
Shell::PowerShell => write!(f, "POWERSHELL"),
Shell::Elvish => write!(f, "ELVISH"),
}
}
}
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