http 0.2.0

A set of types for representing HTTP requests and responses.
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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151

use std::fmt;

use super::{ErrorKind, InvalidUri};

/// The port component of a URI.
pub struct Port<T> {
    port: u16,
    repr: T,
}

impl<T> Port<T> {
    /// Returns the port number as a `u16`.
    ///
    /// # Examples
    ///
    /// Port as `u16`.
    ///
    /// ```
    /// # use http::uri::Authority;
    /// let authority: Authority = "example.org:80".parse().unwrap();
    ///
    /// let port = authority.port().unwrap();
    /// assert_eq!(port.as_u16(), 80);
    /// ```
    pub fn as_u16(&self) -> u16 {
        self.port
    }
}

impl<T> Port<T>
where
    T: AsRef<str>,
{
    /// Converts a `str` to a port number.
    ///
    /// The supplied `str` must be a valid u16.
    pub(crate) fn from_str(bytes: T) -> Result<Self, InvalidUri> {
        bytes
            .as_ref()
            .parse::<u16>()
            .map(|port| Port { port, repr: bytes })
            .map_err(|_| ErrorKind::InvalidPort.into())
    }

    /// Returns the port number as a `str`.
    ///
    /// # Examples
    ///
    /// Port as `str`.
    ///
    /// ```
    /// # use http::uri::Authority;
    /// let authority: Authority = "example.org:80".parse().unwrap();
    ///
    /// let port = authority.port().unwrap();
    /// assert_eq!(port.as_str(), "80");
    /// ```
    pub fn as_str(&self) -> &str {
        self.repr.as_ref()
    }
}

impl<T> fmt::Debug for Port<T>
where
    T: fmt::Debug,
{
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.debug_tuple("Port").field(&self.port).finish()
    }
}

impl<T> fmt::Display for Port<T> {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        // Use `u16::fmt` so that it respects any formatting flags that
        // may have been set (like padding, align, etc).
        fmt::Display::fmt(&self.port, f)
    }
}

impl<T> From<Port<T>> for u16 {
    fn from(port: Port<T>) -> Self {
        port.as_u16()
    }
}

impl<T> AsRef<str> for Port<T>
where
    T: AsRef<str>,
{
    fn as_ref(&self) -> &str {
        self.as_str()
    }
}

impl<T, U> PartialEq<Port<U>> for Port<T> {
    fn eq(&self, other: &Port<U>) -> bool {
        self.port == other.port
    }
}

impl<T> PartialEq<u16> for Port<T> {
    fn eq(&self, other: &u16) -> bool {
        self.port == *other
    }
}

impl<T> PartialEq<Port<T>> for u16 {
    fn eq(&self, other: &Port<T>) -> bool {
        other.port == *self
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn partialeq_port() {
        let port_a = Port::from_str("8080").unwrap();
        let port_b = Port::from_str("8080").unwrap();
        assert_eq!(port_a, port_b);
    }

    #[test]
    fn partialeq_port_different_reprs() {
        let port_a = Port {
            repr: "8081",
            port: 8081,
        };
        let port_b = Port {
            repr: String::from("8081"),
            port: 8081,
        };
        assert_eq!(port_a, port_b);
        assert_eq!(port_b, port_a);
    }

    #[test]
    fn partialeq_u16() {
        let port = Port::from_str("8080").unwrap();
        // test equals in both directions
        assert_eq!(port, 8080);
        assert_eq!(8080, port);
    }

    #[test]
    fn u16_from_port() {
        let port = Port::from_str("8080").unwrap();
        assert_eq!(8080, u16::from(port));
    }
}