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//! The module describes all possible replies from MPD server.
//!
//! Also it contains most generic parser, which can handle
//! all possible server replies.
use crate::error::{ParseError, ServerError};
use std::str::FromStr;
/// All possible MPD server replies
#[derive(Debug, Clone, PartialEq)]
pub enum Reply {
/// `OK` and `list_OK` replies
Ok,
/// `ACK` reply (server error)
Ack(ServerError),
/// a data pair reply (in `field: value` format)
Pair(String, String),
}
impl FromStr for Reply {
type Err = ParseError;
fn from_str(s: &str) -> Result<Reply, ParseError> {
if s == "OK" || s == "list_OK" {
Ok(Reply::Ok)
} else if let Ok(ack) = s.parse::<ServerError>() {
Ok(Reply::Ack(ack))
} else {
let mut splits = s.splitn(2, ':');
match (splits.next(), splits.next()) {
(Some(a), Some(b)) => Ok(Reply::Pair(a.to_owned(), b.trim().to_owned())),
_ => Err(ParseError::BadPair),
}
}
}
}
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