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use super::context::Context;
/// This is the enumeration of all the different kinds of errors which this
/// crate generates.
#[derive(Debug, Clone, thiserror::Error, PartialEq)]
pub enum Error {
/// One or more components of the URI contains a non-UTF8 sequence,
/// and so cannot be converted to a Rust string.
#[error("URI contains non-UTF8 sequences")]
CannotExpressAsUtf8(#[from] std::string::FromUtf8Error),
/// URI begins with an empty scheme, such as `://www.example.com`
#[error("scheme expected but missing")]
EmptyScheme,
/// URI contains a character which is not permitted in the context where it
/// was encountered; for example, a caret (`^`) in a query:
/// `http://www.example.com?eat_my_^`
#[error("illegal character in {0}")]
IllegalCharacter(Context),
/// URI contains an incorrect percent encoding, such as
/// `http://www.example.com?foo=%GG`
#[error("illegal percent encoding")]
IllegalPercentEncoding,
/// URI contains an invalid port number, such as
/// `http://www.example.com:99999` or `http://www.example.com:foo`
#[error("illegal port number")]
IllegalPortNumber(#[source] std::num::ParseIntError),
/// URI contains an IPv4 address with one or more bad parts, such as
/// `http://[::ffff:1.2.3.256]/`
#[error("octet group expected")]
InvalidDecimalOctet,
/// URI contains an IP address with missing parts, such as
/// `http://[::ffff:1.2.3]/`
#[error("too few address parts")]
TooFewAddressParts,
/// URI contains an IP address with too many parts, such as
/// `http://[::ffff:1.2.3.4.8]/`
#[error("too many address parts")]
TooManyAddressParts,
/// URI contains an IPv6 address with too many digits, such as
/// `http://[20001:db8:85a3::1]/`
#[error("too many digits in IPv6 address part")]
TooManyDigits,
/// URI contains an IPv6 address with more than one double-colon, such as
/// `http://[2001:db8:85a3::8a2e::]/`
#[error("too many double-colons in IPv6 address")]
TooManyDoubleColons,
/// URI contains an IPv6 address that is truncated, such as
/// `http://[2001:db8:85a3::8a2e:0:]/`
#[error("truncated host")]
TruncatedHost,
}