GCC Code Coverage Report

Directory: libs/json/include/boost/json/
File: impl/value_ref.ipp
Date: 2025-12-23 17:20:53
Exec Total Coverage
Lines: 72 75 96.0%
Functions: 10 11 90.9%
Branches: 50 53 94.3%
Line Branch Exec Source
1 //
2 // Copyright (c) 2019 Vinnie Falco (vinnie.falco@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/json
8 //
9
10 #ifndef BOOST_JSON_IMPL_VALUE_REF_IPP
11 #define BOOST_JSON_IMPL_VALUE_REF_IPP
12
13 #include <boost/json/value_ref.hpp>
14 #include <boost/json/array.hpp>
15 #include <boost/json/value.hpp>
16
17 namespace boost {
18 namespace json {
19
20 3236 value_ref::
21 operator
22 value() const
23 {
24
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 3236 return make_value({});
25 }
26
27 value
28 ✗ value_ref::
29 from_init_list(
30 void const* p,
31 storage_ptr sp)
32 {
33 return make_value(
34 *reinterpret_cast<
35 init_list const*>(p),
36 ✗ std::move(sp));
37 }
38
39 bool
40 886 value_ref::
41 is_key_value_pair() const noexcept
42 {
43
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 886 if(what_ != what::ini)
44 363 return false;
45
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 523 if(arg_.init_list_.size() != 2)
46 5 return false;
47 auto const& e =
48 518 *arg_.init_list_.begin();
49
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 518 if( e.what_ != what::str &&
50
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 25 e.what_ != what::strfunc)
51 23 return false;
52 495 return true;
53 }
54
55 bool
56 530 value_ref::
57 maybe_object(
58 std::initializer_list<
59 value_ref> init) noexcept
60 {
61
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 1025 for(auto const& e : init)
62
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 886 if(! e.is_key_value_pair())
63 391 return false;
64 139 return true;
65 }
66
67 string_view
68 490 value_ref::
69 get_string() const noexcept
70 {
71
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 490 BOOST_ASSERT(
72 what_ == what::str ||
73 what_ == what::strfunc);
74
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 490 if (what_ == what::strfunc)
75 2 return *static_cast<const string*>(f_.p);
76 488 return arg_.str_;
77 }
78
79 value
80 9160 value_ref::
81 make_value(
82 storage_ptr sp) const
83 {
84
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 9160 switch(what_)
85 {
86 473 default:
87 case what::str:
88
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 946 return string(
89 arg_.str_,
90 930 std::move(sp));
91
92 170 case what::ini:
93 return make_value(
94 arg_.init_list_,
95
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 173 std::move(sp));
96
97 58 case what::func:
98 116 return f_.f(f_.p,
99
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 58 std::move(sp));
100
101 5 case what::strfunc:
102 10 return f_.f(f_.p,
103
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 5 std::move(sp));
104
105 8454 case what::cfunc:
106 16908 return cf_.f(cf_.p,
107
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 8454 std::move(sp));
108 }
109 }
110
111 value
112 172 value_ref::
113 make_value(
114 std::initializer_list<
115 value_ref> init,
116 storage_ptr sp)
117 {
118
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 172 if(maybe_object(init))
119
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 60 return make_object(
120 60 init, std::move(sp));
121
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 284 return make_array(
122 281 init, std::move(sp));
123 }
124
125 object
126 139 value_ref::
127 make_object(
128 std::initializer_list<value_ref> init,
129 storage_ptr sp)
130 {
131 139 object obj(std::move(sp));
132
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 139 obj.reserve(init.size());
133
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 629 for(auto const& e : init)
134
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 490 obj.emplace(
135 e.arg_.init_list_.begin()[0].get_string(),
136
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 980 e.arg_.init_list_.begin()[1].make_value(
137 obj.storage()));
138 139 return obj;
139 ✗ }
140
141 array
142 379 value_ref::
143 make_array(
144 std::initializer_list<
145 value_ref> init,
146 storage_ptr sp)
147 {
148 379 array arr(std::move(sp));
149
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 379 arr.reserve(init.size());
150
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 1434 for(auto const& e : init)
151
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 1058 arr.emplace_back(
152
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 2116 e.make_value(
153 arr.storage()));
154 376 return arr;
155 3 }
156
157 void
158 214 value_ref::
159 write_array(
160 value* dest,
161 std::initializer_list<
162 value_ref> init,
163 storage_ptr const& sp)
164 {
165 struct undo
166 {
167 value* const base;
168 value* pos;
169 214 ~undo()
170 {
171
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 214 if(pos)
172
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 36 while(pos > base)
173 20 (--pos)->~value();
174 214 }
175 };
176 214 undo u{dest, dest};
177
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 730 for(auto const& e : init)
178 {
179
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 16 ::new(u.pos) value(
180
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 564 e.make_value(sp));
181 516 ++u.pos;
182 }
183 198 u.pos = nullptr;
184 214 }
185
186 } // namespace json
187 } // namespace boost
188
189 #endif
190