1// Copyright (c) 2017-2018 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
 2//
 3// This Source Code Form is subject to the terms of the Mozilla Public
 4// License, v. 2.0. If a copy of the MPL was not distributed with this
 5// file, You can obtain one at http://mozilla.org/MPL/2.0/.
 6
 7use std::convert::From;
 8use std::num;
 9use std::string;
10use std::fmt;
11use std::net;
12
13use base64;
14use jid;
15use chrono;
16
17#[derive(Debug)]
18pub enum Error {
19    ParseError(&'static str),
20    Base64Error(base64::DecodeError),
21    ParseIntError(num::ParseIntError),
22    ParseStringError(string::ParseError),
23    ParseAddrError(net::AddrParseError),
24    JidParseError(jid::JidParseError),
25    ChronoParseError(chrono::ParseError),
26}
27
28impl fmt::Display for Error {
29    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
30        match *self {
31            Error::ParseError(s) => write!(fmt, "{}", s),
32            Error::Base64Error(ref e) => write!(fmt, "{}", e),
33            Error::ParseIntError(ref e) => write!(fmt, "{}", e),
34            Error::ParseStringError(ref e) => write!(fmt, "{}", e),
35            Error::ParseAddrError(ref e) => write!(fmt, "{}", e),
36            Error::JidParseError(_) => write!(fmt, "JID parse error"),
37            Error::ChronoParseError(ref e) => write!(fmt, "{}", e),
38        }
39    }
40}
41
42impl From<base64::DecodeError> for Error {
43    fn from(err: base64::DecodeError) -> Error {
44        Error::Base64Error(err)
45    }
46}
47
48impl From<num::ParseIntError> for Error {
49    fn from(err: num::ParseIntError) -> Error {
50        Error::ParseIntError(err)
51    }
52}
53
54impl From<string::ParseError> for Error {
55    fn from(err: string::ParseError) -> Error {
56        Error::ParseStringError(err)
57    }
58}
59
60impl From<net::AddrParseError> for Error {
61    fn from(err: net::AddrParseError) -> Error {
62        Error::ParseAddrError(err)
63    }
64}
65
66impl From<jid::JidParseError> for Error {
67    fn from(err: jid::JidParseError) -> Error {
68        Error::JidParseError(err)
69    }
70}
71
72impl From<chrono::ParseError> for Error {
73    fn from(err: chrono::ParseError) -> Error {
74        Error::ChronoParseError(err)
75    }
76}