umanux/src/userlib_error.rs

56 lines
1.2 KiB
Rust

use std::error::Error;
use std::fmt::{self, Display};
#[derive(Debug, PartialEq)]
pub enum ParseError {
Username,
Password,
Uid,
Gid,
Gecos,
HomeDir,
ShellDir,
}
#[derive(Debug, PartialEq)]
pub enum UserLibError {
NotFound,
ParseError,
FilesChanged,
Message(String),
}
impl Display for UserLibError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
Self::NotFound => write!(f, "{}", self.to_string()),
Self::ParseError => write!(f, "{}", self.to_string()),
Self::FilesChanged => write!(f, "{}", self.to_string()),
Self::Message(message) => write!(f, "{}", message),
}
}
}
impl Error for UserLibError {
fn description(&self) -> &str {
match self {
Self::NotFound => "not found",
Self::ParseError => "failed to parse",
Self::FilesChanged => "The files changed. Updating could lead to conflict aborting.",
Self::Message(message) => message,
}
}
}
impl From<&str> for UserLibError {
fn from(err: &str) -> Self {
Self::Message(err.to_owned())
}
}
impl From<String> for UserLibError {
fn from(err: String) -> Self {
Self::Message(err)
}
}