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use anyhow::anyhow;
use std::{fmt::Display, str::FromStr};
#[derive(Debug, Clone)]
pub struct Uri {
pub protocol: String,
pub localpart: Option<String>,
pub addr: String,
pub params: String,
}
impl Display for Uri {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let Self {
protocol,
localpart,
addr,
params,
} = self;
write!(
f,
"{protocol}:{}{addr}{}",
if let Some(localpart) = localpart {
format!("{localpart}@")
} else {
"".to_string()
},
if params.is_empty() {
"".to_string()
} else {
format!(";{params}")
}
)?;
Ok(())
}
}
impl FromStr for Uri {
type Err = anyhow::Error;
fn from_str(s: &str) -> Result<Self, Self::Err> {
let (pr, s) = s.split_once(":").ok_or(anyhow!("protocol sep"))?;
let (lp, s) = s.split_once("@").unwrap_or(("", s));
let (addr, params) = s.split_once(";").unwrap_or((s, ""));
Ok(Self {
addr: addr.to_owned(),
localpart: if lp.is_empty() {
None
} else {
Some(lp.to_string())
},
params: params.to_string(),
protocol: pr.to_string(),
})
}
}
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