validators 0.25.3

This library is designed for validating and modeling user input. The crate includes models, functions, traits, errors, and other dependencies.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

use core::fmt::{self, Display, Formatter};
#[cfg(feature = "std")]
use std::error::Error;

/// Error from the `host` validator.
#[derive(Debug, Clone)]
pub enum HostError {
    /// Incorrect host data.
    Invalid,
    /// May not be valid, but it is guaranteed that the domain part is not local.
    LocalMust,
    /// May not be valid, but it is guaranteed that the domain part is local.
    LocalDisallow,
    /// May not be valid, but it is guaranteed that the domain part has only one label.
    AtLeastTwoLabelsMust,
    /// May not be valid, but it is guaranteed that the domain part has at least two labels.
    AtLeastTwoLabelsDisallow,
    /// May not be valid, but missing a port is guaranteed.
    PortMust,
    /// May not be valid and the port part seems to exist.
    PortDisallow,
}

impl Display for HostError {
    #[inline]
    fn fmt(&self, f: &mut Formatter) -> Result<(), fmt::Error> {
        match self {
            Self::Invalid => f.write_str("invalid domain or IP"),
            Self::LocalMust => f.write_str("must be local"),
            Self::LocalDisallow => f.write_str("must not be local"),
            Self::AtLeastTwoLabelsMust => f.write_str("must have at least two labels"),
            Self::AtLeastTwoLabelsDisallow => f.write_str("must have only one label"),
            Self::PortMust => f.write_str("port not found"),
            Self::PortDisallow => f.write_str("port not allowed"),
        }
    }
}

#[cfg(feature = "std")]
impl Error for HostError {}