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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
use std::convert::{TryFrom, TryInto};
use super::{Authority, Parts, PathAndQuery, Scheme};
use crate::Uri;
/// A builder for `Uri`s.
///
/// This type can be used to construct an instance of `Uri`
/// through a builder pattern.
#[derive(Debug)]
pub struct Builder {
parts: Result<Parts, crate::Error>,
}
impl Builder {
/// Creates a new default instance of `Builder` to construct a `Uri`.
///
/// # Examples
///
/// ```
/// # use http::*;
///
/// let uri = uri::Builder::new()
/// .scheme("https")
/// .authority("hyper.rs")
/// .path_and_query("/")
/// .build()
/// .unwrap();
/// ```
#[inline]
pub fn new() -> Builder {
Builder::default()
}
/// Set the `Scheme` for this URI.
///
/// # Examples
///
/// ```
/// # use http::*;
///
/// let mut builder = uri::Builder::new();
/// builder.scheme("https");
/// ```
pub fn scheme<T>(self, scheme: T) -> Self
where
Scheme: TryFrom<T>,
<Scheme as TryFrom<T>>::Error: Into<crate::Error>,
{
self.map(move |mut parts| {
let scheme = scheme.try_into().map_err(Into::into)?;
parts.scheme = Some(scheme);
Ok(parts)
})
}
/// Set the `Authority` for this URI.
///
/// # Examples
///
/// ```
/// # use http::*;
///
/// let uri = uri::Builder::new()
/// .authority("tokio.rs")
/// .build()
/// .unwrap();
/// ```
pub fn authority<T>(self, auth: T) -> Self
where
Authority: TryFrom<T>,
<Authority as TryFrom<T>>::Error: Into<crate::Error>,
{
self.map(move |mut parts| {
let auth = auth.try_into().map_err(Into::into)?;
parts.authority = Some(auth);
Ok(parts)
})
}
/// Set the `PathAndQuery` for this URI.
///
/// # Examples
///
/// ```
/// # use http::*;
///
/// let uri = uri::Builder::new()
/// .path_and_query("/hello?foo=bar")
/// .build()
/// .unwrap();
/// ```
pub fn path_and_query<T>(self, p_and_q: T) -> Self
where
PathAndQuery: TryFrom<T>,
<PathAndQuery as TryFrom<T>>::Error: Into<crate::Error>,
{
self.map(move |mut parts| {
let p_and_q = p_and_q.try_into().map_err(Into::into)?;
parts.path_and_query = Some(p_and_q);
Ok(parts)
})
}
/// Consumes this builder, and tries to construct a valid `Uri` from
/// the configured pieces.
///
/// # Errors
///
/// This function may return an error if any previously configured argument
/// failed to parse or get converted to the internal representation. For
/// example if an invalid `scheme` was specified via `scheme("!@#%/^")`
/// the error will be returned when this function is called rather than
/// when `scheme` was called.
///
/// Additionally, the various forms of URI require certain combinations of
/// parts to be set to be valid. If the parts don't fit into any of the
/// valid forms of URI, a new error is returned.
///
/// # Examples
///
/// ```
/// # use http::*;
///
/// let uri = Uri::builder()
/// .build()
/// .unwrap();
/// ```
pub fn build(self) -> Result<Uri, crate::Error> {
let parts = self.parts?;
Uri::from_parts(parts).map_err(Into::into)
}
// private
fn map<F>(self, func: F) -> Self
where
F: FnOnce(Parts) -> Result<Parts, crate::Error>,
{
Builder {
parts: self.parts.and_then(func),
}
}
}
impl Default for Builder {
#[inline]
fn default() -> Builder {
Builder {
parts: Ok(Parts::default()),
}
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn build_from_str() {
let uri = Builder::new()
.scheme(Scheme::HTTP)
.authority("hyper.rs")
.path_and_query("/foo?a=1")
.build()
.unwrap();
assert_eq!(uri.scheme_str(), Some("http"));
assert_eq!(uri.authority().unwrap().host(), "hyper.rs");
assert_eq!(uri.path(), "/foo");
assert_eq!(uri.query(), Some("a=1"));
}
#[test]
fn build_from_string() {
for i in 1..10 {
let uri = Builder::new()
.path_and_query(format!("/foo?a={}", i))
.build()
.unwrap();
let expected_query = format!("a={}", i);
assert_eq!(uri.path(), "/foo");
assert_eq!(uri.query(), Some(expected_query.as_str()));
}
}
#[test]
fn build_from_string_ref() {
for i in 1..10 {
let p_a_q = format!("/foo?a={}", i);
let uri = Builder::new().path_and_query(&p_a_q).build().unwrap();
let expected_query = format!("a={}", i);
assert_eq!(uri.path(), "/foo");
assert_eq!(uri.query(), Some(expected_query.as_str()));
}
}
}
|
