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use std::{fmt, io, num, str};
#[derive(Debug, PartialEq)]
pub enum ParseErr {
Utf8(str::Utf8Error),
Int(num::ParseIntError),
StatusErr,
HeadersErr,
UriErr,
Invalid,
Empty,
}
impl fmt::Display for ParseErr {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
use self::ParseErr::*;
let err = match self {
Utf8(_) => "invalid character",
Int(_) => "cannot parse number",
Invalid => "invalid value",
Empty => "nothing to parse",
StatusErr => "status line contains invalid values",
HeadersErr => "headers contain invalid values",
UriErr => "uri contains invalid characters",
};
write!(f, "ParseErr: {}", err)
}
}
impl From<num::ParseIntError> for ParseErr {
fn from(e: num::ParseIntError) -> Self {
ParseErr::Int(e)
}
}
impl From<str::Utf8Error> for ParseErr {
fn from(e: str::Utf8Error) -> Self {
ParseErr::Utf8(e)
}
}
#[derive(Debug)]
pub enum Error {
IO(io::Error),
Parse(ParseErr),
Tls,
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
use self::Error::*;
let err = match self {
IO(_) => "IO error",
Tls => "TLS error",
Parse(err) => return err.fmt(f),
};
write!(f, "Error: {}", err)
}
}
#[cfg(feature = "native-tls")]
impl From<native_tls::Error> for Error {
fn from(_e: native_tls::Error) -> Self {
Error::Tls
}
}
#[cfg(feature = "native-tls")]
impl<T> From<native_tls::HandshakeError<T>> for Error {
fn from(_e: native_tls::HandshakeError<T>) -> Self {
Error::Tls
}
}
impl From<io::Error> for Error {
fn from(e: io::Error) -> Self {
Error::IO(e)
}
}
impl From<ParseErr> for Error {
fn from(e: ParseErr) -> Self {
Error::Parse(e)
}
}
impl From<str::Utf8Error> for Error {
fn from(e: str::Utf8Error) -> Self {
Error::Parse(ParseErr::Utf8(e))
}
}