1   
//
1   
//
2   
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
2   
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
3   
//
3   
//
4   
// Distributed under the Boost Software License, Version 1.0. (See accompanying
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)
5   
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6   
//
6   
//
7   
// Official repository: https://github.com/boostorg/json
7   
// Official repository: https://github.com/boostorg/json
8   
//
8   
//
9  
9  
10   
#ifndef BOOST_JSON_IMPL_ERROR_HPP
10   
#ifndef BOOST_JSON_IMPL_ERROR_HPP
11   
#define BOOST_JSON_IMPL_ERROR_HPP
11   
#define BOOST_JSON_IMPL_ERROR_HPP
12  
12  
13   
#include <boost/system/error_category.hpp>
13   
#include <boost/system/error_category.hpp>
14   
#include <type_traits>
14   
#include <type_traits>
15  
15  
16   
namespace boost {
16   
namespace boost {
17   
namespace system {
17   
namespace system {
18   
template<>
18   
template<>
19   
struct is_error_code_enum< ::boost::json::error >
19   
struct is_error_code_enum< ::boost::json::error >
20   
{
20   
{
21   
    static bool const value = true;
21   
    static bool const value = true;
22   
};
22   
};
23   
template<>
23   
template<>
24   
struct is_error_condition_enum< ::boost::json::condition >
24   
struct is_error_condition_enum< ::boost::json::condition >
25   
{
25   
{
26   
    static bool const value = true;
26   
    static bool const value = true;
27   
};
27   
};
28   
} // system
28   
} // system
29   
} // boost
29   
} // boost
30  
30  
31   
namespace std {
31   
namespace std {
32   
template<>
32   
template<>
33   
struct is_error_code_enum< ::boost::json::error >
33   
struct is_error_code_enum< ::boost::json::error >
34   
{
34   
{
35   
    static bool const value = true;
35   
    static bool const value = true;
36   
};
36   
};
37   
template<>
37   
template<>
38   
struct is_error_condition_enum< ::boost::json::condition >
38   
struct is_error_condition_enum< ::boost::json::condition >
39   
{
39   
{
40   
    static bool const value = true;
40   
    static bool const value = true;
41   
};
41   
};
42   
} // std
42   
} // std
43  
43  
44   
namespace boost {
44   
namespace boost {
45   
namespace json {
45   
namespace json {
46   
namespace detail {
46   
namespace detail {
47  
47  
48   
struct error_code_category_t
48   
struct error_code_category_t
49   
    : system::error_category
49   
    : system::error_category
50   
{
50   
{
51   
    constexpr
51   
    constexpr
52   
    error_code_category_t()
52   
    error_code_category_t()
53   
        : system::error_category(0xB9A9B9922177C772)
53   
        : system::error_category(0xB9A9B9922177C772)
54   
    {}
54   
    {}
55  
55  
56   
    BOOST_JSON_DECL
56   
    BOOST_JSON_DECL
57   
    const char*
57   
    const char*
58   
    name() const noexcept override;
58   
    name() const noexcept override;
59  
59  
60   
    BOOST_JSON_DECL
60   
    BOOST_JSON_DECL
61   
    char const*
61   
    char const*
62   
    message( int ev, char* buf, std::size_t len ) const noexcept override;
62   
    message( int ev, char* buf, std::size_t len ) const noexcept override;
63  
63  
64   
    BOOST_JSON_DECL
64   
    BOOST_JSON_DECL
65   
    std::string
65   
    std::string
66   
    message( int ev ) const override;
66   
    message( int ev ) const override;
67  
67  
68   
    BOOST_JSON_DECL
68   
    BOOST_JSON_DECL
69   
    system::error_condition
69   
    system::error_condition
70   
    default_error_condition( int ev ) const noexcept override;
70   
    default_error_condition( int ev ) const noexcept override;
71   
};
71   
};
72  
72  
73   
extern
73   
extern
74   
BOOST_JSON_DECL
74   
BOOST_JSON_DECL
75   
error_code_category_t error_code_category;
75   
error_code_category_t error_code_category;
76  
76  
77   
struct error_condition_category_t
77   
struct error_condition_category_t
78   
    : system::error_category
78   
    : system::error_category
79   
{
79   
{
80   
    constexpr
80   
    constexpr
81   
    error_condition_category_t()
81   
    error_condition_category_t()
82   
        : system::error_category(0x37CEF5A036D24FD1)
82   
        : system::error_category(0x37CEF5A036D24FD1)
83   
    {}
83   
    {}
84  
84  
85   
    BOOST_JSON_DECL
85   
    BOOST_JSON_DECL
86   
    const char*
86   
    const char*
87   
    name() const noexcept override;
87   
    name() const noexcept override;
88  
88  
89   
    BOOST_JSON_DECL
89   
    BOOST_JSON_DECL
90   
    char const*
90   
    char const*
91   
    message( int ev, char*, std::size_t ) const noexcept override;
91   
    message( int ev, char*, std::size_t ) const noexcept override;
92  
92  
93   
    BOOST_JSON_DECL
93   
    BOOST_JSON_DECL
94   
    std::string
94   
    std::string
95   
    message( int cv ) const override;
95   
    message( int cv ) const override;
96   
};
96   
};
97  
97  
98   
extern
98   
extern
99   
BOOST_JSON_DECL
99   
BOOST_JSON_DECL
100   
error_condition_category_t error_condition_category;
100   
error_condition_category_t error_condition_category;
101  
101  
102   
} // namespace detail
102   
} // namespace detail
103  
103  
104   
inline
104   
inline
105   
BOOST_SYSTEM_CONSTEXPR
105   
BOOST_SYSTEM_CONSTEXPR
106   
system::error_code
106   
system::error_code
107   
make_error_code(error e) noexcept
107   
make_error_code(error e) noexcept
108   
{
108   
{
109  
109  
110   
    return system::error_code(
110   
    return system::error_code(
111   
        static_cast<std::underlying_type<error>::type>(e),
111   
        static_cast<std::underlying_type<error>::type>(e),
112   
        detail::error_code_category );
112   
        detail::error_code_category );
113   
}
113   
}
114  
114  
115   
inline
115   
inline
116   
BOOST_SYSTEM_CONSTEXPR
116   
BOOST_SYSTEM_CONSTEXPR
117   
system::error_condition
117   
system::error_condition
118   
make_error_condition(condition c) noexcept
118   
make_error_condition(condition c) noexcept
119   
{
119   
{
120   
    return system::error_condition(
120   
    return system::error_condition(
121   
        static_cast<std::underlying_type<condition>::type>(c),
121   
        static_cast<std::underlying_type<condition>::type>(c),
122   
        detail::error_condition_category );
122   
        detail::error_condition_category );
123   
}
123   
}
124  
124  
125   
} // namespace json
125   
} // namespace json
126   
} // namespace boost
126   
} // namespace boost
127  
127  
128   
#endif
128   
#endif