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#![no_std]
#![forbid(unsafe_code)]
pub mod dns;
pub mod domain;
mod parser;
#[cfg(feature = "serde")]
mod serde;
use core::fmt;
pub type Result<T> = core::result::Result<T, Error>;
#[derive(Debug, Clone, Eq, PartialEq)]
pub enum Error {
DomainNotAscii,
DomainTooLong,
EmptyLabel,
IllegalCharacter,
InvalidDomain,
LabelEndNotAlnum,
LabelStartNotAlnum,
LabelTooLong,
NumericTld,
TooManyLabels,
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let error = match self {
Error::DomainNotAscii => "domain not ascii",
Error::DomainTooLong => "domain too long",
Error::EmptyLabel => "domain contains empty label",
Error::IllegalCharacter => "domain contains illegal characters",
Error::InvalidDomain => "invalid domain name",
Error::LabelEndNotAlnum => "label does not start with an alphanumeric character",
Error::LabelStartNotAlnum => "label does not end with a alphanumeric character",
Error::LabelTooLong => "label too long",
Error::NumericTld => "numeric TLD",
Error::TooManyLabels => "too many labels",
};
write!(f, "{}", error)
}
}