GCC Code Coverage Report

Directory: libs/url/
File: libs/url/src/detail/segments_iter_impl.cpp
Date: 2024-01-19 15:42:54
Exec Total Coverage
Lines: 91 91 100.0%
Functions: 6 6 100.0%
Branches: 32 40 80.0%
Line Branch Exec Source
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_DETAIL_IMPL_SEGMENTS_ITER_IMPL_IPP
12 #define BOOST_URL_DETAIL_IMPL_SEGMENTS_ITER_IMPL_IPP
13
14 #include <boost/url/detail/config.hpp>
15 #include "path.hpp"
16 #include <boost/url/detail/segments_iter_impl.hpp>
17 #include "boost/url/rfc/detail/path_rules.hpp"
18 #include <boost/assert.hpp>
19
20 namespace boost {
21 namespace urls {
22 namespace detail {
23
24 // begin
25 2179 segments_iter_impl::
26 segments_iter_impl(
27 2179 detail::path_ref const& ref_) noexcept
28 2179 : ref(ref_)
29 {
30 2179 pos = path_prefix(ref.buffer());
31 2179 update();
32 2179 }
33
34 // end
35 1788 segments_iter_impl::
36 segments_iter_impl(
37 detail::path_ref const& ref_,
38 1788 int) noexcept
39 : ref(ref_)
40 1788 , pos(ref.size())
41 1788 , next(ref.size())
42 1788 , index(ref.nseg())
43 {
44 1788 }
45
46 595 segments_iter_impl::
47 segments_iter_impl(
48 url_impl const& u_,
49 std::size_t pos_,
50 595 std::size_t index_) noexcept
51 : ref(u_)
52 , pos(pos_)
53 595 , index(index_)
54 {
55
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 595 if(index == 0)
56 {
57 272 pos = path_prefix(ref.buffer());
58 }
59
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 323 else if(pos != ref.size())
60 {
61
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 199 BOOST_ASSERT(
62 ref.data()[pos] == '/');
63 199 ++pos; // skip '/'
64 }
65 595 update();
66 595 }
67
68 void
69 2774 segments_iter_impl::
70 update() noexcept
71 {
72 2774 auto const end = ref.end();
73 char const* const p0 =
74 2774 ref.data() + pos;
75 2774 dn = 0;
76 2774 auto p = p0;
77
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 10413 while(p != end)
78 {
79
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 9201 if(*p == '/')
80 1562 break;
81
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 7639 if(*p != '%')
82 {
83 7286 ++p;
84 7286 continue;
85 }
86 353 p += 3;
87 353 dn += 2;
88 }
89 2774 next = p - ref.data();
90 2774 dn = p - p0 - dn;
91 s_ = make_pct_string_view_unsafe(
92 2774 p0, p - p0, dn);
93 2774 }
94
95 void
96 2753 segments_iter_impl::
97 increment() noexcept
98 {
99
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 2753 BOOST_ASSERT(
100 index != ref.nseg());
101 2753 ++index;
102 2753 pos = next;
103
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 2753 if(index == ref.nseg())
104 1130 return;
105 // "/" segment
106 1623 auto const end = ref.end();
107 1623 auto p = ref.data() + pos;
108
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 1623 BOOST_ASSERT(p != end);
109
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 1623 BOOST_ASSERT(*p == '/');
110 1623 dn = 0;
111 1623 ++p; // skip '/'
112 1623 auto const p0 = p;
113
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 7151 while(p != end)
114 {
115
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 6465 if(*p == '/')
116 937 break;
117
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 5528 if(*p != '%')
118 {
119 5416 ++p;
120 5416 continue;
121 }
122 112 p += 3;
123 112 dn += 2;
124 }
125 1623 next = p - ref.data();
126 1623 dn = p - p0 - dn;
127 s_ = make_pct_string_view_unsafe(
128 1623 p0, p - p0, dn);
129 }
130
131 void
132 1545 segments_iter_impl::
133 decrement() noexcept
134 {
135
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 1545 BOOST_ASSERT(index != 0);
136 1545 --index;
137
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 1545 if(index == 0)
138 {
139 513 next = pos;
140 513 pos = path_prefix(ref.buffer());
141 513 s_ = core::string_view(
142 513 ref.data() + pos,
143 513 next - pos);
144
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 513 BOOST_ASSERT(! s_.ends_with('/'));
145 513 return;
146 }
147 1032 auto const begin = ref.data() +
148 1032 path_prefix(ref.buffer());
149 1032 next = pos;
150 1032 auto p = ref.data() + next;
151 1032 auto const p1 = p;
152
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 1032 BOOST_ASSERT(p != begin);
153 1032 dn = 0;
154
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 3182 while(p != begin)
155 {
156 3182 --p;
157
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 3182 if(*p == '/')
158 {
159 1032 ++dn;
160 1032 break;
161 }
162
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 2150 if(*p == '%')
163 28 dn += 2;
164 }
165 1032 dn = p1 - p - dn;
166 1032 pos = p - ref.data();
167 s_ = make_pct_string_view_unsafe(
168 1032 p + 1, p1 - p - 1, dn);
169 }
170
171 } // detail
172 } // url
173 } // boost
174
175 #endif
176