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//! Error types for GeoIP parsing.
use std::borrow::Cow;
use std::net::AddrParseError;
use std::num::ParseIntError;
use thiserror::Error;
/// An error type from the tor-geoip crate.
#[derive(Clone, Debug, Error)]
#[non_exhaustive]
pub enum Error {
/// The GeoIP file is formatted wrong.
#[error("Invalid GeoIP data file: {0}")]
BadFormat(Cow<'static, str>),
/// We got a country code that isn't 2 ASCII letters.
#[error("Unsupported country code in file: {0}")]
BadCountryCode(String),
/// Tried to use ?? somewhere that expected a country code.
#[error("The 'nowhere' country code ('??') is not supported in this context.")]
NowhereNotSupported,
}
impl From<ParseIntError> for Error {
fn from(_e: ParseIntError) -> Error {
Error::BadFormat("can't parse number".into())
}
}
impl From<AddrParseError> for Error {
fn from(_e: AddrParseError) -> Error {
Error::BadFormat("can't parse IPv6 address".into())
}
}
impl From<crate::dense_range_map::Error> for Error {
fn from(value: crate::dense_range_map::Error) -> Self {
Error::BadFormat(value.to_string().into())
}
}
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