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include/boost/url/impl/url.hpp

97.4% Lines (74/76) 100.0% Functions (11/11) 77.4% Branches (24/31)
include/boost/url/impl/url.hpp
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1 //
2 // Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
3 // Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.com)
4 //
5 // Distributed under the Boost Software License, Version 1.0. (See accompanying
6 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7 //
8 // Official repository: https://github.com/boostorg/url
9 //
10
11 #ifndef BOOST_URL_IMPL_URL_HPP
12 #define BOOST_URL_IMPL_URL_HPP
13
14 #include <boost/url/detail/except.hpp>
15 #include <boost/assert.hpp>
16 #include <cstring>
17
18 namespace boost {
19 namespace urls {
20
21 //------------------------------------------------
22
23 inline
24 5609 url::
25 5609 ~url()
26 {
27
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 5609 if(s_)
28 {
29
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 3663 BOOST_ASSERT(
30 cap_ != 0);
31 3663 deallocate(s_);
32 }
33 5609 }
34
35 // construct empty
36 inline
37 1108 url::
38 url() noexcept = default;
39
40 inline
41 1503 url::
42 1503 url(url&& u) noexcept
43 1503 : url_base(u.impl_)
44 {
45 1503 s_ = u.s_;
46 1503 cap_ = u.cap_;
47 1503 u.s_ = nullptr;
48 1503 u.cap_ = 0;
49 1503 u.impl_ = {from::url};
50 1503 }
51
52 inline
53 url&
54 383 url::
55 operator=(url&& u) noexcept
56 {
57
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 383 if(s_)
58 2 deallocate(s_);
59 383 impl_ = u.impl_;
60 383 s_ = u.s_;
61 383 cap_ = u.cap_;
62 383 u.s_ = nullptr;
63 383 u.cap_ = 0;
64 383 u.impl_ = {from::url};
65 383 return *this;
66 }
67
68 //------------------------------------------------
69
70 inline
71 char*
72 4697 url::
73 allocate(std::size_t n)
74 {
75 4697 auto s = new char[n + 1];
76 4697 cap_ = n;
77 4697 return s;
78 }
79
80 inline
81 void
82 4697 url::
83 deallocate(char* s)
84 {
85
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 4697 delete[] s;
86 4697 }
87
88 inline
89 void
90 119 url::
91 clear_impl() noexcept
92 {
93
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 119 if(s_)
94 {
95 // preserve capacity
96 2 impl_ = {from::url};
97 2 s_[0] = '\0';
98 2 impl_.cs_ = s_;
99 }
100 else
101 {
102
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 117 BOOST_ASSERT(impl_.cs_[0] == 0);
103 }
104 119 }
105
106 inline
107 void
108 5907 url::
109 reserve_impl(
110 std::size_t n,
111 op_t& op)
112 {
113
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 5907 if(n > max_size())
114 ✗ detail::throw_length_error();
115
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 5907 if(n <= cap_)
116 1210 return;
117 char* s;
118
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 4697 if(s_ != nullptr)
119 {
120 // 50% growth policy
121 1032 auto const h = cap_ / 2;
122 std::size_t new_cap;
123
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 1032 if(cap_ <= max_size() - h)
124 1032 new_cap = cap_ + h;
125 else
126 ✗ new_cap = max_size();
127
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 1032 if( new_cap < n)
128 495 new_cap = n;
129 1032 s = allocate(new_cap);
130 1032 std::memcpy(s, s_, size() + 1);
131
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 1032 BOOST_ASSERT(! op.old);
132 1032 op.old = s_;
133 1032 s_ = s;
134 }
135 else
136 {
137 3665 s_ = allocate(n);
138 3665 s_[0] = '\0';
139 }
140 4697 impl_.cs_ = s_;
141 }
142
143 inline
144 void
145 1032 url::
146 cleanup(
147 op_t& op)
148 {
149
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 1032 if(op.old)
150 1032 deallocate(op.old);
151 1032 }
152
153 //------------------------------------------------
154
155 inline
156 void
157 2 url::
158 swap(url& other) noexcept
159 {
160
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 2 if (this == &other)
161 1 return;
162 1 std::swap(s_, other.s_);
163 1 std::swap(cap_, other.cap_);
164 1 std::swap(impl_, other.impl_);
165 1 std::swap(external_impl_, other.external_impl_);
166 }
167
168 inline
169 636 url::
170 636 url(core::string_view s)
171
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 636 : url(parse_uri_reference(s
172
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 636 ).value(BOOST_URL_POS))
173 {
174 636 }
175
176 } // urls
177 } // boost
178
179 #endif
180