Index/include / boost / url / grammar / impl / error.hpp

include/boost/url/grammar/impl/error.hpp

100.0% Lines (36/36) 100.0% Functions (11/11)
include/boost/url/grammar/impl/error.hpp
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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/url
8 //
9
10 #ifndef BOOST_URL_GRAMMAR_IMPL_ERROR_HPP
11 #define BOOST_URL_GRAMMAR_IMPL_ERROR_HPP
12
13 #include <type_traits>
14
15 namespace boost {
16 namespace system {
17 template<>
18 struct is_error_code_enum<
19 ::boost::urls::grammar::error>
20 {
21 static bool const value = true;
22 };
23 template<>
24 struct is_error_condition_enum<
25 ::boost::urls::grammar::condition>
26 {
27 static bool const value = true;
28 };
29 } // system
30 } // boost
31
32 namespace boost {
33 namespace urls {
34 namespace grammar {
35
36 namespace detail {
37
38 struct BOOST_SYMBOL_VISIBLE
39 error_cat_type
40 : system::error_category
41 {
42 BOOST_URL_CXX20_CONSTEXPR
43 82 const char* name(
44 ) const noexcept override
45 {
46 82 return "boost.url.grammar";
47 }
48
49 82 std::string message(
50 int code) const override
51 {
52 164 return message(code, nullptr, 0);
53 }
54
55 BOOST_URL_CXX20_CONSTEXPR
56 82 char const* message(
57 int code,
58 char*,
59 std::size_t) const noexcept override
60 {
61 82 switch(static_cast<error>(code))
62 {
63 1 default:
64 1 case error::need_more: return "need more";
65 14 case error::mismatch: return "mismatch";
66 13 case error::invalid: return "invalid";
67 1 case error::end_of_range: return "end of range";
68 52 case error::leftover: return "leftover";
69 1 case error::out_of_range: return "out of range";
70 }
71 }
72
73 BOOST_URL_CXX20_CONSTEXPR
74 system::error_condition
75 default_error_condition(
76 int ev) const noexcept override;
77
78 75 BOOST_SYSTEM_CONSTEXPR error_cat_type() noexcept
79 75 : error_category(0x0536e50a30f9e9f2)
80 {
81 75 }
82 };
83
84 struct BOOST_SYMBOL_VISIBLE
85 condition_cat_type
86 : system::error_category
87 {
88 BOOST_URL_CXX20_CONSTEXPR
89 5 const char* name(
90 ) const noexcept override
91 {
92 5 return "boost.url.grammar";
93 }
94
95 5 std::string message(
96 int code) const override
97 {
98 10 return message(code, nullptr, 0);
99 }
100
101 BOOST_URL_CXX20_CONSTEXPR
102 5 char const* message(
103 int code,
104 char*,
105 std::size_t) const noexcept override
106 {
107 switch(static_cast<condition>(code))
108 {
109 default:
110 case condition::fatal:
111 5 return "fatal condition";
112 }
113 }
114
115 75 BOOST_SYSTEM_CONSTEXPR condition_cat_type()
116 75 : error_category(0x0536e50a30f9e9f2)
117 {
118 75 }
119 };
120
121 #if defined(BOOST_URL_HAS_CXX20_CONSTEXPR)
122 inline constexpr error_cat_type error_cat{};
123 inline constexpr condition_cat_type condition_cat{};
124 #else
125 BOOST_URL_DECL extern error_cat_type error_cat;
126 BOOST_URL_DECL extern condition_cat_type condition_cat;
127 #endif
128
129 } // detail
130
131 inline
132 BOOST_SYSTEM_CONSTEXPR
133 system::error_code
134 11005 make_error_code(
135 error ev) noexcept
136 {
137 return system::error_code{
138 static_cast<std::underlying_type<
139 error>::type>(ev),
140 11005 detail::error_cat};
141 }
142
143 inline
144 BOOST_SYSTEM_CONSTEXPR
145 system::error_condition
146 20 make_error_condition(
147 condition c) noexcept
148 {
149 20 return system::error_condition{
150 static_cast<std::underlying_type<
151 condition>::type>(c),
152 20 detail::condition_cat};
153 }
154
155 BOOST_URL_CXX20_CONSTEXPR_OR_INLINE
156 system::error_condition
157 6 detail::error_cat_type::
158 default_error_condition(
159 int ev) const noexcept
160 {
161 6 switch(static_cast<error>(ev))
162 {
163 2 case error::invalid:
164 case error::out_of_range:
165 2 return condition::fatal;
166 4 default:
167 4 return {ev, *this};
168 }
169 }
170
171 } // grammar
172 } // urls
173 } // boost
174
175 #endif
176