datatrash/src/file_kind.rs

use std::{fmt::Display, str::FromStr};

#[derive(Debug, PartialEq)]
pub(crate) enum FileKind {
    Text,
    Binary,
}

impl Display for FileKind {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            FileKind::Text => write!(f, "text"),
            FileKind::Binary => write!(f, "binary"),
        }
    }
}

impl FromStr for FileKind {
    type Err = String;
    fn from_str(s: &str) -> Result<Self, Self::Err> {
        match s.to_lowercase().as_str() {
            "text" => Ok(FileKind::Text),
            "binary" => Ok(FileKind::Binary),
            _ => Err(format!("unknown kind {}", s)),
        }
    }
}