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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175

use std::borrow::Cow;
use std::fmt::{self, Display};

use ext::IntoOwned;
use parse::{Indexed, IndexedStr};
use uri::{Authority, Origin, Error, as_utf8_unchecked};

/// A URI with a scheme, authority, path, and query:
/// `http://user:pass@domain.com:4444/path?query`.
///
/// # Structure
///
/// The following diagram illustrates the syntactic structure of an absolute
/// URI with all optional parts:
///
/// ```text
///  http://user:pass@domain.com:4444/path?query
///  |--|   |-----------------------||---------|
/// scheme          authority          origin
/// ```
///
/// The scheme part of the absolute URI and at least one of authority or origin
/// are required.
#[derive(Debug, Clone)]
pub struct Absolute<'a> {
    source: Option<Cow<'a, str>>,
    scheme: IndexedStr<'a>,
    authority: Option<Authority<'a>>,
    origin: Option<Origin<'a>>,
}

impl<'a> IntoOwned for Absolute<'a> {
    type Owned = Absolute<'static>;

    fn into_owned(self) -> Self::Owned {
        Absolute {
            source: self.source.into_owned(),
            scheme: self.scheme.into_owned(),
            authority: self.authority.into_owned(),
            origin: self.origin.into_owned(),
        }
    }
}

impl<'a> Absolute<'a> {
    #[inline]
    crate unsafe fn raw(
        source: Cow<'a, [u8]>,
        scheme: Indexed<'a, [u8]>,
        authority: Option<Authority<'a>>,
        origin: Option<Origin<'a>>,
    ) -> Absolute<'a> {
        Absolute {
            source: Some(as_utf8_unchecked(source)),
            scheme: scheme.coerce(),
            authority: authority,
            origin: origin,
        }
    }

    #[cfg(test)]
    crate fn new(
        scheme: &'a str,
        authority: Option<Authority<'a>>,
        origin: Option<Origin<'a>>
    ) -> Absolute<'a> {
        Absolute {
            source: None, scheme: scheme.into(), authority, origin
        }
    }

    /// Parses the string `string` into an `Absolute`. Parsing will never
    /// allocate. Returns an `Error` if `string` is not a valid absolute URI.
    ///
    /// # Example
    ///
    /// ```rust
    /// # extern crate rocket;
    /// use rocket::http::uri::Absolute;
    ///
    /// // Parse a valid authority URI.
    /// let uri = Absolute::parse("http://google.com").expect("valid URI");
    /// assert_eq!(uri.scheme(), "http");
    /// assert_eq!(uri.authority().unwrap().host(), "google.com");
    /// assert_eq!(uri.origin(), None);
    /// ```
    pub fn parse(string: &'a str) -> Result<Absolute<'a>, Error<'a>> {
        ::parse::uri::absolute_from_str(string)
    }

    /// Returns the scheme part of the absolute URI.
    ///
    /// # Example
    ///
    /// ```rust
    /// # extern crate rocket;
    /// use rocket::http::uri::Absolute;
    ///
    /// let uri = Absolute::parse("ftp://127.0.0.1").expect("valid URI");
    /// assert_eq!(uri.scheme(), "ftp");
    /// ```
    #[inline(always)]
    pub fn scheme(&self) -> &str {
        self.scheme.from_cow_source(&self.source)
    }

    /// Returns the authority part of the absolute URI, if there is one.
    ///
    /// # Example
    ///
    /// ```rust
    /// # extern crate rocket;
    /// use rocket::http::uri::Absolute;
    ///
    /// let uri = Absolute::parse("https://rocket.rs:80").expect("valid URI");
    /// assert_eq!(uri.scheme(), "https");
    /// let authority = uri.authority().unwrap();
    /// assert_eq!(authority.host(), "rocket.rs");
    /// assert_eq!(authority.port(), Some(80));
    ///
    /// let uri = Absolute::parse("file:/web/home").expect("valid URI");
    /// assert_eq!(uri.authority(), None);
    /// ```
    #[inline(always)]
    pub fn authority(&self) -> Option<&Authority<'a>> {
        self.authority.as_ref()
    }

    /// Returns the origin part of the absolute URI, if there is one.
    ///
    /// # Example
    ///
    /// ```rust
    /// # extern crate rocket;
    /// use rocket::http::uri::Absolute;
    ///
    /// let uri = Absolute::parse("file:/web/home.html?new").expect("valid URI");
    /// assert_eq!(uri.scheme(), "file");
    /// let origin = uri.origin().unwrap();
    /// assert_eq!(origin.path(), "/web/home.html");
    /// assert_eq!(origin.query(), Some("new"));
    ///
    /// let uri = Absolute::parse("https://rocket.rs").expect("valid URI");
    /// assert_eq!(uri.origin(), None);
    /// ```
    #[inline(always)]
    pub fn origin(&self) -> Option<&Origin<'a>> {
        self.origin.as_ref()
    }
}

impl<'a, 'b> PartialEq<Absolute<'b>> for Absolute<'a> {
    fn eq(&self, other: &Absolute<'b>) -> bool {
        self.scheme() == other.scheme()
            && self.authority() == other.authority()
            && self.origin() == other.origin()
    }
}

impl<'a> Display for Absolute<'a> {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}", self.scheme())?;
        match self.authority {
            Some(ref authority) => write!(f, "://{}", authority)?,
            None => write!(f, ":")?
        }

        if let Some(ref origin) = self.origin {
            write!(f, "{}", origin)?;
        }

        Ok(())
    }
}