address 0.21.0

Network address types with strict validation, owned & borrowed variants, and standard library conversions.
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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134

use crate::{Authority, Domain, DomainRef, Host, HostRef, IPAddress};

impl Host {
    //! Conversions

    /// Converts the host to a host reference.
    pub fn to_ref(&self) -> HostRef<'_> {
        match self {
            Self::Domain(domain) => HostRef::Domain(domain.to_ref()),
            Self::IPAddress(ip) => HostRef::IPAddress(*ip),
        }
    }

    /// Converts the host to an authority with the `port`.
    pub const fn to_authority(self, port: u16) -> Authority {
        Authority::new(self, port)
    }

    /// Converts the host to a domain.
    pub fn to_domain(self) -> Result<Domain, Self> {
        match self {
            Self::Domain(domain) => Ok(domain),
            host => Err(host),
        }
    }

    /// Converts the host to an IP address.
    pub fn to_ip(self) -> Result<IPAddress, Self> {
        match self {
            Self::IPAddress(ip) => Ok(ip),
            host => Err(host),
        }
    }
}

impl<'a> From<HostRef<'a>> for Host {
    fn from(host: HostRef<'a>) -> Self {
        host.to_host()
    }
}

impl From<Domain> for Host {
    fn from(domain: Domain) -> Self {
        domain.to_host()
    }
}

impl<'a> From<DomainRef<'a>> for Host {
    fn from(domain: DomainRef<'a>) -> Self {
        domain.to_host()
    }
}

impl<A: Into<IPAddress>> From<A> for Host {
    fn from(ip: A) -> Self {
        ip.into().to_host()
    }
}

#[cfg(test)]
mod tests {
    use crate::{Authority, Domain, DomainRef, Host, HostRef, IPAddress, IPv4Address};

    #[test]
    fn host_to_ref() {
        let host: Host = Host::Domain(Domain::localhost());
        let result: HostRef = host.to_ref();
        let expected: HostRef = HostRef::Domain(DomainRef::LOCALHOST);
        assert_eq!(result, expected);

        let host: Host = Host::IPAddress(IPAddress::V4(IPv4Address::LOCALHOST));
        let result: HostRef = host.to_ref();
        let expected: HostRef = HostRef::IPAddress(IPAddress::V4(IPv4Address::LOCALHOST));
        assert_eq!(result, expected);
    }

    #[test]
    fn host_to_authority() {
        let host: Host = Domain::localhost().to_host();
        let result: Authority = host.to_authority(80);
        let expected: Authority = Authority::new(Host::Domain(Domain::localhost()), 80);
        assert_eq!(result, expected);

        let host: Host = IPv4Address::LOCALHOST.to_host();
        let result: Authority = host.to_authority(80);
        let expected: Authority =
            Authority::new(Host::IPAddress(IPAddress::V4(IPv4Address::LOCALHOST)), 80);
        assert_eq!(result, expected);
    }

    #[test]
    fn host_to_domain() {
        let host: Host = Domain::localhost().to_host();
        let result: Result<Domain, Host> = host.to_domain();
        let expected: Result<Domain, Host> = Ok(Domain::localhost());
        assert_eq!(result, expected);

        let host: Host = IPv4Address::LOCALHOST.to_host();
        let result: Result<Domain, Host> = host.to_domain();
        let expected: Result<Domain, Host> = Err(IPv4Address::LOCALHOST.to_host());
        assert_eq!(result, expected);
    }

    #[test]
    fn host_to_ip() {
        let host: Host = IPv4Address::LOCALHOST.to_host();
        let result: Result<IPAddress, Host> = host.to_ip();
        let expected: Result<IPAddress, Host> = Ok(IPv4Address::LOCALHOST.to_ip());
        assert_eq!(result, expected);

        let host: Host = Domain::localhost().to_host();
        let result: Result<IPAddress, Host> = host.to_ip();
        let expected: Result<IPAddress, Host> = Err(Domain::localhost().to_host());
        assert_eq!(result, expected);
    }

    #[test]
    fn host_from() {
        let expected: Host = Host::Domain(Domain::localhost());

        let result: Host = HostRef::Domain(DomainRef::LOCALHOST).into();
        assert_eq!(result, expected);

        let result: Host = Domain::localhost().into();
        assert_eq!(result, expected);

        let result: Host = DomainRef::LOCALHOST.into();
        assert_eq!(result, expected);

        let expected: Host = Host::IPAddress(IPAddress::V4(IPv4Address::LOCALHOST));
        let result: Host = IPv4Address::LOCALHOST.into();
        assert_eq!(result, expected);
    }
}