1//! Provides an `Error` for use in this crate.
 2
 3use std::io;
 4
 5use std::net::TcpStream;
 6
 7use openssl::ssl::HandshakeError;
 8use openssl::error::ErrorStack;
 9
10use xml::reader::Error as XmlError;
11use xml::writer::Error as EmitterError;
12
13use minidom::Error as MinidomError;
14
15use base64::Base64Error;
16
17/// An error which wraps a bunch of errors from different crates and the stdlib.
18#[derive(Debug)]
19pub enum Error {
20    XmlError(XmlError),
21    EmitterError(EmitterError),
22    IoError(io::Error),
23    HandshakeError(HandshakeError<TcpStream>),
24    OpenSslErrorStack(ErrorStack),
25    MinidomError(MinidomError),
26    Base64Error(Base64Error),
27    StreamError,
28    EndOfDocument,
29}
30
31impl From<XmlError> for Error {
32    fn from(err: XmlError) -> Error {
33        Error::XmlError(err)
34    }
35}
36
37impl From<EmitterError> for Error {
38    fn from(err: EmitterError) -> Error {
39        Error::EmitterError(err)
40    }
41}
42
43impl From<io::Error> for Error {
44    fn from(err: io::Error) -> Error {
45        Error::IoError(err)
46    }
47}
48
49impl From<HandshakeError<TcpStream>> for Error {
50    fn from(err: HandshakeError<TcpStream>) -> Error {
51        Error::HandshakeError(err)
52    }
53}
54
55impl From<ErrorStack> for Error {
56    fn from(err: ErrorStack) -> Error {
57        Error::OpenSslErrorStack(err)
58    }
59}
60
61impl From<MinidomError> for Error {
62    fn from(err: MinidomError) -> Error {
63        Error::MinidomError(err)
64    }
65}
66
67impl From<Base64Error> for Error {
68    fn from(err: Base64Error) -> Error {
69        Error::Base64Error(err)
70    }
71}