GCC Code Coverage Report

Directory: libs/json/include/boost/json/
File: impl/visit.hpp
Date: 2025-12-23 17:20:53
Exec Total Coverage
Lines: 37 37 100.0%
Functions: 17 17 100.0%
Branches: 16 16 100.0%
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_VISIT_HPP
11 #define BOOST_JSON_IMPL_VISIT_HPP
12
13 namespace boost {
14 namespace json {
15
16
17 template<class Visitor>
18 auto
19 16 visit(
20 Visitor&& v,
21 value& jv) -> decltype(
22 static_cast<Visitor&&>(v)( std::declval<std::nullptr_t&>() ) )
23 {
24
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 16 switch(jv.kind())
25 {
26 2 default: // unreachable()?
27 2 case kind::string: return static_cast<Visitor&&>(v)( jv.get_string() );
28 2 case kind::array: return static_cast<Visitor&&>(v)( jv.get_array() );
29 2 case kind::object: return static_cast<Visitor&&>(v)( jv.get_object() );
30 2 case kind::bool_: return static_cast<Visitor&&>(v)( jv.get_bool() );
31 2 case kind::int64: return static_cast<Visitor&&>(v)( jv.get_int64() );
32 2 case kind::uint64: return static_cast<Visitor&&>(v)( jv.get_uint64() );
33 2 case kind::double_: return static_cast<Visitor&&>(v)( jv.get_double() );
34 2 case kind::null: {
35 2 auto np = nullptr;
36 2 return static_cast<Visitor&&>(v)(np) ;
37 }
38 }
39 }
40
41 template<class Visitor>
42 auto
43 264 visit(
44 Visitor&& v,
45 value const& jv) -> decltype(
46 static_cast<Visitor&&>(v)( std::declval<std::nullptr_t const&>() ) )
47 {
48
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 264 switch(jv.kind())
49 {
50 46 default: // unreachable()?
51 46 case kind::string: return static_cast<Visitor&&>(v)( jv.get_string() );
52 12 case kind::array: return static_cast<Visitor&&>(v)( jv.get_array() );
53 22 case kind::object: return static_cast<Visitor&&>(v)( jv.get_object() );
54 30 case kind::bool_: return static_cast<Visitor&&>(v)( jv.get_bool() );
55 92 case kind::int64: return static_cast<Visitor&&>(v)( jv.get_int64() );
56 18 case kind::uint64: return static_cast<Visitor&&>(v)( jv.get_uint64() );
57 10 case kind::double_: return static_cast<Visitor&&>(v)( jv.get_double() );
58 34 case kind::null: {
59 34 auto const np = nullptr;
60 34 return static_cast<Visitor&&>(v)(np) ;
61 }
62 }
63 }
64
65
66 template<class Visitor>
67 auto
68 16 visit(
69 Visitor&& v,
70 value&& jv) -> decltype(
71 static_cast<Visitor&&>(v)( std::declval<std::nullptr_t&&>() ) )
72 {
73 16 switch(jv.kind())
74 {
75 2 default: // unreachable()?
76 2 case kind::string: return static_cast<Visitor&&>(v)( std::move( jv.get_string() ) );
77 2 case kind::array: return static_cast<Visitor&&>(v)( std::move( jv.get_array() ) );
78 2 case kind::object: return static_cast<Visitor&&>(v)( std::move( jv.get_object() ) );
79 2 case kind::bool_: return static_cast<Visitor&&>(v)( std::move( jv.get_bool() ) );
80 2 case kind::int64: return static_cast<Visitor&&>(v)( std::move( jv.get_int64() ) );
81 2 case kind::uint64: return static_cast<Visitor&&>(v)( std::move( jv.get_uint64() ) );
82 2 case kind::double_: return static_cast<Visitor&&>(v)( std::move( jv.get_double() ) );
83 2 case kind::null: return static_cast<Visitor&&>(v)( std::nullptr_t() ) ;
84 }
85 }
86
87 } // namespace json
88 } // namespace boost
89
90 #endif
91