0b6a182c
 Hu Chunming
添加无鉴权注册和注销
|
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
|
//
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
// Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/boostorg/url
//
#ifndef BOOST_URL_SEGMENTS_VIEW_HPP
#define BOOST_URL_SEGMENTS_VIEW_HPP
#include <boost/url/detail/config.hpp>
#include <boost/url/segments_base.hpp>
#include <boost/url/string_view.hpp>
namespace boost {
namespace urls {
/** A view representing path segments in a URL
Objects of this type are used to interpret
the path as a bidirectional view of segment
strings.
The view does not retain ownership of the
elements and instead references the original
character buffer. The caller is responsible
for ensuring that the lifetime of the buffer
extends until it is no longer referenced.
@par Example
@code
url_view u( "/path/to/file.txt" );
segments_view ps = u.segments();
assert( ps.buffer().data() == u.buffer().data() );
@endcode
Percent escapes in strings returned when
dereferencing iterators are automatically
decoded.
@par Iterator Invalidation
Changes to the underlying character buffer
can invalidate iterators which reference it.
@see
@ref segments_encoded_view,
@ref segments_encoded_ref,
@ref segments_ref.
*/
class segments_view
: public segments_base
{
friend class url_view_base;
friend class segments_encoded_view;
friend class segments_ref;
segments_view(
detail::path_ref const& ref) noexcept;
public:
/** Constructor
Default-constructed segments have
zero elements.
@par Example
@code
segments_view ps;
@endcode
@par Effects
@code
return segments_view( "" );
@endcode
@par Complexity
Constant.
@par Exception Safety
Throws nothing.
*/
segments_view() = default;
/** Constructor
After construction, viewss
reference the same underlying character
buffer.
Ownership is not transferred; the caller
is responsible for ensuring the lifetime
of the buffer extends until it is no
longer referenced.
@par Postconditions
@code
this->buffer().data() == other.buffer().data()
@endcode
@par Complexity
Constant
@par Exception Safety
Throws nothing
*/
segments_view(
segments_view const& other) = default;
/** Constructor
This function constructs segments from
a valid path string, which can contain
percent escapes.
Upon construction, the view references
the character buffer pointed to by `s`.
caller is responsible for ensuring
that the lifetime of the buffer
extends until the view is destroyed.
@par Example
@code
segments_view ps( "/path/to/file.txt" );
@endcode
@par Effects
@code
return parse_path( s ).value();
@endcode
@par Postconditions
@code
this->buffer().data() == s.data()
@endcode
@par Complexity
Linear in `s`.
@par Exception Safety
Exceptions thrown on invalid input.
@throw system_error
`s` contains an invalid path.
@param s The string to parse.
@par BNF
@code
path = [ "/" ] [ segment *( "/" segment ) ]
segment = *pchar
@endcode
@par Specification
@li <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.3"
>3.3. Path</a>
*/
BOOST_URL_DECL
segments_view(
string_view s);
/** Assignment
After assignment, both views
reference the same underlying character
buffer.
Ownership is not transferred; the caller
is responsible for ensuring the lifetime
of the buffer extends until it is no
longer referenced.
@par Postconditions
@code
this->buffer().data() == other.buffer().data()
@endcode
@par Complexity
Constant
@par Exception Safety
Throws nothing
*/
segments_view&
operator=(segments_view const& other) = default;
};
} // urls
} // boost
#endif
|
