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use cid;
use std::{error, fmt, io, net, num, string};
pub type Result<T> = ::std::result::Result<T, Error>;
#[derive(Debug)]
pub enum Error {
UnknownProtocol,
UnknownProtocolString,
InvalidMultiaddr,
MissingAddress,
ParsingError(Box<error::Error + Send + Sync>),
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str(error::Error::description(self))
}
}
impl error::Error for Error {
fn description(&self) -> &str {
match *self {
Error::UnknownProtocol => "unknown protocol",
Error::UnknownProtocolString => "unknown protocol string",
Error::InvalidMultiaddr => "invalid multiaddr",
Error::MissingAddress => "protocol requires address, none given",
Error::ParsingError(_) => "failed to parse",
}
}
#[inline]
fn cause(&self) -> Option<&error::Error> {
match *self {
Error::ParsingError(ref err) => Some(&**err),
_ => None,
}
}
}
impl From<io::Error> for Error {
fn from(err: io::Error) -> Error {
Error::ParsingError(err.into())
}
}
impl From<cid::Error> for Error {
fn from(err: cid::Error) -> Error {
Error::ParsingError(err.into())
}
}
impl From<net::AddrParseError> for Error {
fn from(err: net::AddrParseError) -> Error {
Error::ParsingError(err.into())
}
}
impl From<num::ParseIntError> for Error {
fn from(err: num::ParseIntError) -> Error {
Error::ParsingError(err.into())
}
}
impl From<string::FromUtf8Error> for Error {
fn from(err: string::FromUtf8Error) -> Error {
Error::ParsingError(err.into())
}
}