46 lines
936 B
Rust
46 lines
936 B
Rust
|
use std::fmt;
|
||
|
|
use std::str::FromStr;
|
||
|
|
|
||
|
|
pub enum Strategy {
|
||
|
|
Password,
|
||
|
|
Email,
|
||
|
|
}
|
||
|
|
|
||
|
|
impl Default for Strategy {
|
||
|
|
fn default() -> Self {
|
||
|
|
Self::Password
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
impl FromStr for Strategy {
|
||
|
|
type Err = StrategyError;
|
||
|
|
|
||
|
|
fn from_str(s: &str) -> Result<Self, Self::Err> {
|
||
|
|
use self::Strategy::*;
|
||
|
|
|
||
|
|
match s {
|
||
|
|
"password" => Ok(Password),
|
||
|
|
"email" => Ok(Email),
|
||
|
|
s => Err(StrategyError::Unsupported(s.to_string())),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#[derive(Debug)]
|
||
|
|
pub enum StrategyError {
|
||
|
|
Unsupported(String),
|
||
|
|
}
|
||
|
|
|
||
|
|
impl fmt::Display for StrategyError {
|
||
|
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||
|
|
use self::StrategyError::*;
|
||
|
|
|
||
|
|
match self {
|
||
|
|
// FIXME: Calc option strings from enum
|
||
|
|
Unsupported(s) => write!(f, "Unsupported strategy: {}. Choose password or email", s),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
impl std::error::Error for StrategyError {}
|