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 + 
url::
 
25 + 
~url()
 
26 + 
{
 
27 + 
    if(s_)
 
28 + 
    {
 
29 + 
        BOOST_ASSERT(
 
30 + 
            cap_ != 0);
 
31 + 
        deallocate(s_);
 
32 + 
    }
 
33 + 
}
 
34 +
 
35 + 
// construct empty
 
36 + 
inline
 
37 + 
url::
 
38 + 
url() noexcept = default;
 
39 +
 
40 + 
inline
 
41 + 
url::
 
42 + 
url(url&& u) noexcept
 
43 + 
    : url_base(u.impl_)
 
44 + 
{
 
45 + 
    s_ = u.s_;
 
46 + 
    cap_ = u.cap_;
 
47 + 
    u.s_ = nullptr;
 
48 + 
    u.cap_ = 0;
 
49 + 
    u.impl_ = {from::url};
 
50 + 
}
 
51 +
 
52 + 
inline
 
53 + 
url&
 
54 + 
url::
 
55 + 
operator=(url&& u) noexcept
 
56 + 
{
 
57 + 
    if(s_)
 
58 + 
        deallocate(s_);
 
59 + 
    impl_ = u.impl_;
 
60 + 
    s_ = u.s_;
 
61 + 
    cap_ = u.cap_;
 
62 + 
    u.s_ = nullptr;
 
63 + 
    u.cap_ = 0;
 
64 + 
    u.impl_ = {from::url};
 
65 + 
    return *this;
 
66 + 
}
 
67 +
 
68 + 
//------------------------------------------------
 
69 +
 
70 + 
inline
 
71 + 
char*
 
72 + 
url::
 
73 + 
allocate(std::size_t n)
 
74 + 
{
 
75 + 
    auto s = new char[n + 1];
 
76 + 
    cap_ = n;
 
77 + 
    return s;
 
78 + 
}
 
79 +
 
80 + 
inline
 
81 + 
void
 
82 + 
url::
 
83 + 
deallocate(char* s)
 
84 + 
{
 
85 + 
    delete[] s;
 
86 + 
}
 
87 +
 
88 + 
inline
 
89 + 
void
 
90 + 
url::
 
91 + 
clear_impl() noexcept
 
92 + 
{
 
93 + 
    if(s_)
 
94 + 
    {
 
95 + 
        // preserve capacity
 
96 + 
        impl_ = {from::url};
 
97 + 
        s_[0] = '\0';
 
98 + 
        impl_.cs_ = s_;
 
99 + 
    }
 
100 + 
    else
 
101 + 
    {
 
102 + 
        BOOST_ASSERT(impl_.cs_[0] == 0);
 
103 + 
    }
 
104 + 
}
 
105 +
 
106 + 
inline
 
107 + 
void
 
108 + 
url::
 
109 + 
reserve_impl(
 
110 + 
    std::size_t n,
 
111 + 
    op_t& op)
 
112 + 
{
 
113 + 
    if(n > max_size())
 
114 + 
        detail::throw_length_error();
 
115 + 
    if(n <= cap_)
 
116 + 
        return;
 
117 + 
    char* s;
 
118 + 
    if(s_ != nullptr)
 
119 + 
    {
 
120 + 
        // 50% growth policy
 
121 + 
        auto const h = cap_ / 2;
 
122 + 
        std::size_t new_cap;
 
123 + 
        if(cap_ <= max_size() - h)
 
124 + 
            new_cap = cap_ + h;
 
125 + 
        else
 
126 + 
            new_cap = max_size();
 
127 + 
        if( new_cap < n)
 
128 + 
            new_cap = n;
 
129 + 
        s = allocate(new_cap);
 
130 + 
        std::memcpy(s, s_, size() + 1);
 
131 + 
        BOOST_ASSERT(! op.old);
 
132 + 
        op.old = s_;
 
133 + 
        s_ = s;
 
134 + 
    }
 
135 + 
    else
 
136 + 
    {
 
137 + 
        s_ = allocate(n);
 
138 + 
        s_[0] = '\0';
 
139 + 
    }
 
140 + 
    impl_.cs_ = s_;
 
141 + 
}
 
142 +
 
143 + 
inline
 
144 + 
void
 
145 + 
url::
 
146 + 
cleanup(
 
147 + 
    op_t& op)
 
148 + 
{
 
149 + 
    if(op.old)
 
150 + 
        deallocate(op.old);
 
151 + 
}
 
152 +
 
153 + 
//------------------------------------------------
 
154 +
 
155 + 
inline
 
156 + 
void
 
157 + 
url::
 
158 + 
swap(url& other) noexcept
 
159 + 
{
 
160 + 
    if (this == &other)
 
161 + 
        return;
 
162 + 
    std::swap(s_, other.s_);
 
163 + 
    std::swap(cap_, other.cap_);
 
164 + 
    std::swap(impl_, other.impl_);
 
165 + 
    std::swap(external_impl_, other.external_impl_);
 
166 + 
}
 
167 +
 
168 + 
inline
 
169 + 
url::
 
170 + 
url(core::string_view s)
 
171 + 
    : url(parse_uri_reference(s
 
172 + 
        ).value(BOOST_URL_POS))
 
173 + 
{
 
174 + 
}
 
175 +
 
176 + 
} // urls
 
177 + 
} // boost
 
178 +
 
179 + 
#endif