GCC Code Coverage Report

Directory: libs/url/
File: libs/url/src/decode_view.cpp
Date: 2024-02-29 20:02:56
Exec Total Coverage
Lines: 116 116 100.0%
Functions: 15 15 100.0%
Branches: 49 54 90.7%
Line Branch Exec Source
1 //
2 // Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.com)
3 //
4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 //
7 // Official repository: https://github.com/boostorg/url
8 //
9
10 #ifndef BOOST_URL_IMPL_DECODE_VIEW_IPP
11 #define BOOST_URL_IMPL_DECODE_VIEW_IPP
12
13 #include <boost/url/detail/config.hpp>
14 #include <boost/url/decode_view.hpp>
15 #include <boost/url/grammar/hexdig_chars.hpp>
16 #include <ostream>
17
18 namespace boost {
19 namespace urls {
20
21 namespace detail {
22
23 template <class T>
24 int
25 6476 decoded_strcmp(decode_view s0, T s1)
26 {
27 6476 auto const n0 = s0.size();
28 6476 auto const n1 = s1.size();
29 6476 auto n = (std::min)(n0, n1);
30 6476 auto it0 = s0.begin();
31 6476 auto it1 = s1.begin();
32
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 10298 while (n--)
33 {
34 8436 const char c0 = *it0++;
35 8436 const char c1 = *it1++;
36
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 8436 if (c0 == c1)
37 3822 continue;
38 4614 return 1 - 2 * (static_cast<unsigned char>(c0)
39
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 9228 < static_cast<unsigned char>(c1));
40 }
41
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 1862 return 1 - (n0 == n1) - 2 * (n0 < n1);
42 }
43
44 } // detail
45
46 //------------------------------------------------
47
48 auto
49 6287 decode_view::
50 iterator::
51 operator*() const noexcept ->
52 reference
53 {
54
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 6287 if (space_as_plus_ &&
55
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 53 *pos_ == '+')
56 6 return ' ';
57
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 6281 if (*pos_ != '%')
58 5917 return *pos_;
59 364 auto d0 = grammar::hexdig_value(pos_[1]);
60 364 auto d1 = grammar::hexdig_value(pos_[2]);
61 return static_cast<char>(
62 364 ((static_cast<
63 364 unsigned char>(d0) << 4) +
64 364 (static_cast<
65 364 unsigned char>(d1))));
66 }
67
68 // unchecked constructor
69 3765 decode_view::
70 decode_view(
71 core::string_view s,
72 std::size_t n,
73 3765 encoding_opts opt) noexcept
74 3765 : p_(s.data())
75 3765 , n_(s.size())
76 , dn_(n)
77 , space_as_plus_(
78 3765 opt.space_as_plus)
79 {
80 3765 }
81
82 int
83 2922 decode_view::
84 compare(core::string_view other) const noexcept
85 {
86 2922 return detail::decoded_strcmp(*this, other);
87 }
88
89 int
90 316 decode_view::
91 compare(decode_view other) const noexcept
92 {
93 316 return detail::decoded_strcmp(*this, other);
94 }
95
96 void
97 2 decode_view::
98 write(std::ostream& os) const
99 {
100 2 auto it = begin();
101 2 auto const end_ = end();
102
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 23 while(it != end_)
103
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 21 os.put(*it++);
104 2 }
105
106 void
107 1 decode_view::
108 remove_prefix( size_type n )
109 {
110 1 auto it = begin();
111 1 auto n0 = n;
112
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 3 while (n)
113 {
114 2 ++it;
115 2 --n;
116 }
117 1 n_ -= (it.base() - begin().base());
118 1 dn_ -= n0;
119 1 p_ = it.base();
120 1 }
121
122 void
123 1 decode_view::
124 remove_suffix( size_type n )
125 {
126 1 auto it = end();
127 1 auto n0 = n;
128
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 6 while (n)
129 {
130 5 --it;
131 5 --n;
132 }
133 1 n_ -= (end().base() - it.base());
134 1 dn_ -= n0;
135 1 }
136
137 bool
138 3 decode_view::
139 starts_with( core::string_view s ) const noexcept
140 {
141
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 3 if (s.size() > size())
142 1 return false;
143 2 auto it0 = begin();
144 2 auto it1 = s.begin();
145 2 std::size_t n = s.size();
146
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 11 while (n)
147 {
148
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 10 if (*it0 != *it1)
149 1 return false;
150 9 ++it0;
151 9 ++it1;
152 9 --n;
153 }
154 1 return true;
155 }
156
157 bool
158 3 decode_view::
159 ends_with( core::string_view s ) const noexcept
160 {
161
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 3 if (s.size() > size())
162 1 return false;
163 2 auto it0 = end();
164 2 auto it1 = s.end();
165 2 std::size_t n = s.size();
166 2 --it0;
167 2 --it1;
168
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 14 while (n - 1)
169 {
170
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 13 if (*it0 != *it1)
171 1 return false;
172 12 --it0;
173 12 --it1;
174 12 --n;
175 }
176 1 return *it0 == *it1;
177 }
178
179 bool
180 1 decode_view::
181 starts_with( char ch ) const noexcept
182 {
183 return
184
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 2 !empty() &&
185 2 front() == ch;
186 }
187
188 bool
189 1 decode_view::
190 ends_with( char ch ) const noexcept
191 {
192 return
193
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 2 !empty() &&
194 2 back() == ch;
195 }
196
197 decode_view::const_iterator
198 2 decode_view::
199 find( char ch ) const noexcept
200 {
201 2 auto it = begin();
202 2 auto end = this->end();
203
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 8 while (it != end)
204 {
205
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 7 if (*it == ch)
206 1 return it;
207 6 ++it;
208 }
209 1 return it;
210 }
211
212 decode_view::const_iterator
213 5 decode_view::
214 rfind( char ch ) const noexcept
215 {
216
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 5 if (empty())
217 1 return end();
218 4 auto it = end();
219 4 auto begin = this->begin();
220 4 --it;
221
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 27 while (it != begin)
222 {
223
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 25 if (*it == ch)
224 2 return it;
225 23 --it;
226 }
227
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 2 if (*it == ch)
228 1 return it;
229 1 return end();
230 }
231
232 } // urls
233 } // boost
234
235 #endif
236