. /include/boost/url /grammar /impl /error.hpp
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1   // 1   //
2   // Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com) 2   // Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
3   // Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.com) 3   // Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.com)
4   // 4   //
5   // Distributed under the Boost Software License, Version 1.0. (See accompanying 5   // Distributed under the Boost Software License, Version 1.0. (See accompanying
6   // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 6   // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7   // 7   //
8   // Official repository: https://github.com/boostorg/url 8   // Official repository: https://github.com/boostorg/url
9   // 9   //
10   10  
11   #ifndef BOOST_URL_GRAMMAR_IMPL_ERROR_HPP 11   #ifndef BOOST_URL_GRAMMAR_IMPL_ERROR_HPP
12   #define BOOST_URL_GRAMMAR_IMPL_ERROR_HPP 12   #define BOOST_URL_GRAMMAR_IMPL_ERROR_HPP
13   13  
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< 19   struct is_error_code_enum<
20   ::boost::urls::grammar::error> 20   ::boost::urls::grammar::error>
21   { 21   {
22   static bool const value = true; 22   static bool const value = true;
23   }; 23   };
24   template<> 24   template<>
25   struct is_error_condition_enum< 25   struct is_error_condition_enum<
26   ::boost::urls::grammar::condition> 26   ::boost::urls::grammar::condition>
27   { 27   {
28   static bool const value = true; 28   static bool const value = true;
29   }; 29   };
30   } // system 30   } // system
31   } // boost 31   } // boost
32   32  
33   namespace boost { 33   namespace boost {
34   namespace urls { 34   namespace urls {
35   namespace grammar { 35   namespace grammar {
36   36  
37   namespace detail { 37   namespace detail {
38   38  
39   struct BOOST_SYMBOL_VISIBLE 39   struct BOOST_SYMBOL_VISIBLE
40   error_cat_type 40   error_cat_type
41   : system::error_category 41   : system::error_category
42   { 42   {
43   BOOST_URL_CXX20_CONSTEXPR 43   BOOST_URL_CXX20_CONSTEXPR
HITCBC 44   616 const char* name( 44   616 const char* name(
45   ) const noexcept override 45   ) const noexcept override
46   { 46   {
HITCBC 47   616 return "boost.url.grammar"; 47   616 return "boost.url.grammar";
48   } 48   }
49   49  
HITCBC 50   616 std::string message( 50   616 std::string message(
51   int code) const override 51   int code) const override
52   { 52   {
HITCBC 53   1232 return message(code, nullptr, 0); 53   1232 return message(code, nullptr, 0);
54   } 54   }
55   55  
56   BOOST_URL_CXX20_CONSTEXPR 56   BOOST_URL_CXX20_CONSTEXPR
HITCBC 57   616 char const* message( 57   616 char const* message(
58   int code, 58   int code,
59   char*, 59   char*,
60   std::size_t) const noexcept override 60   std::size_t) const noexcept override
61   { 61   {
HITCBC 62   616 switch(static_cast<error>(code)) 62   616 switch(static_cast<error>(code))
63   { 63   {
HITCBC 64   1 default: 64   1 default:
HITCBC 65   1 case error::need_more: return "need more"; 65   1 case error::need_more: return "need more";
HITCBC 66   63 case error::mismatch: return "mismatch"; 66   63 case error::mismatch: return "mismatch";
HITCBC 67   13 case error::invalid: return "invalid"; 67   13 case error::invalid: return "invalid";
HITCBC 68   1 case error::end_of_range: return "end of range"; 68   1 case error::end_of_range: return "end of range";
HITCBC 69   537 case error::leftover: return "leftover"; 69   537 case error::leftover: return "leftover";
HITCBC 70   1 case error::out_of_range: return "out of range"; 70   1 case error::out_of_range: return "out of range";
71   } 71   }
72   } 72   }
73   73  
74   BOOST_URL_CXX20_CONSTEXPR 74   BOOST_URL_CXX20_CONSTEXPR
75   system::error_condition 75   system::error_condition
76   default_error_condition( 76   default_error_condition(
77   int ev) const noexcept override; 77   int ev) const noexcept override;
78   78  
HITCBC 79   78 BOOST_SYSTEM_CONSTEXPR error_cat_type() noexcept 79   78 BOOST_SYSTEM_CONSTEXPR error_cat_type() noexcept
HITCBC 80   78 : error_category(0x0536e50a30f9e9f2) 80   78 : error_category(0x0536e50a30f9e9f2)
81   { 81   {
HITCBC 82   78 } 82   78 }
83   }; 83   };
84   84  
85   struct BOOST_SYMBOL_VISIBLE 85   struct BOOST_SYMBOL_VISIBLE
86   condition_cat_type 86   condition_cat_type
87   : system::error_category 87   : system::error_category
88   { 88   {
89   BOOST_URL_CXX20_CONSTEXPR 89   BOOST_URL_CXX20_CONSTEXPR
HITCBC 90   5 const char* name( 90   5 const char* name(
91   ) const noexcept override 91   ) const noexcept override
92   { 92   {
HITCBC 93   5 return "boost.url.grammar"; 93   5 return "boost.url.grammar";
94   } 94   }
95   95  
HITCBC 96   5 std::string message( 96   5 std::string message(
97   int code) const override 97   int code) const override
98   { 98   {
HITCBC 99   10 return message(code, nullptr, 0); 99   10 return message(code, nullptr, 0);
100   } 100   }
101   101  
102   BOOST_URL_CXX20_CONSTEXPR 102   BOOST_URL_CXX20_CONSTEXPR
HITCBC 103   5 char const* message( 103   5 char const* message(
104   int code, 104   int code,
105   char*, 105   char*,
106   std::size_t) const noexcept override 106   std::size_t) const noexcept override
107   { 107   {
108   switch(static_cast<condition>(code)) 108   switch(static_cast<condition>(code))
109   { 109   {
110   default: 110   default:
111   case condition::fatal: 111   case condition::fatal:
HITCBC 112   5 return "fatal condition"; 112   5 return "fatal condition";
113   } 113   }
114   } 114   }
115   115  
HITCBC 116   78 BOOST_SYSTEM_CONSTEXPR condition_cat_type() 116   78 BOOST_SYSTEM_CONSTEXPR condition_cat_type()
HITCBC 117   78 : error_category(0x0536e50a30f9e9f2) 117   78 : error_category(0x0536e50a30f9e9f2)
118   { 118   {
HITCBC 119   78 } 119   78 }
120   }; 120   };
121   121  
122   #if defined(BOOST_URL_HAS_CXX20_CONSTEXPR) 122   #if defined(BOOST_URL_HAS_CXX20_CONSTEXPR)
123   // Visible so a shared library built as C++20 123   // Visible so a shared library built as C++20
124   // still exports the symbols that consumers built 124   // still exports the symbols that consumers built
125   // as C++17 reference through the externs below 125   // as C++17 reference through the externs below
126   BOOST_SYMBOL_VISIBLE 126   BOOST_SYMBOL_VISIBLE
127   inline constexpr error_cat_type error_cat{}; 127   inline constexpr error_cat_type error_cat{};
128   BOOST_SYMBOL_VISIBLE 128   BOOST_SYMBOL_VISIBLE
129   inline constexpr condition_cat_type condition_cat{}; 129   inline constexpr condition_cat_type condition_cat{};
130   #else 130   #else
131   BOOST_URL_DECL extern error_cat_type error_cat; 131   BOOST_URL_DECL extern error_cat_type error_cat;
132   BOOST_URL_DECL extern condition_cat_type condition_cat; 132   BOOST_URL_DECL extern condition_cat_type condition_cat;
133   #endif 133   #endif
134   134  
135   } // detail 135   } // detail
136   136  
137   inline 137   inline
138   BOOST_SYSTEM_CONSTEXPR 138   BOOST_SYSTEM_CONSTEXPR
139   system::error_code 139   system::error_code
HITCBC 140   53381 make_error_code( 140   53401 make_error_code(
141   error ev) noexcept 141   error ev) noexcept
142   { 142   {
143   return system::error_code{ 143   return system::error_code{
144   static_cast<std::underlying_type< 144   static_cast<std::underlying_type<
145   error>::type>(ev), 145   error>::type>(ev),
HITCBC 146   53381 detail::error_cat}; 146   53401 detail::error_cat};
147   } 147   }
148   148  
149   inline 149   inline
150   BOOST_SYSTEM_CONSTEXPR 150   BOOST_SYSTEM_CONSTEXPR
151   system::error_condition 151   system::error_condition
HITCBC 152   20 make_error_condition( 152   20 make_error_condition(
153   condition c) noexcept 153   condition c) noexcept
154   { 154   {
HITCBC 155   20 return system::error_condition{ 155   20 return system::error_condition{
156   static_cast<std::underlying_type< 156   static_cast<std::underlying_type<
157   condition>::type>(c), 157   condition>::type>(c),
HITCBC 158   20 detail::condition_cat}; 158   20 detail::condition_cat};
159   } 159   }
160   160  
161   BOOST_URL_CXX20_CONSTEXPR_OR_INLINE 161   BOOST_URL_CXX20_CONSTEXPR_OR_INLINE
162   system::error_condition 162   system::error_condition
HITCBC 163   6 detail::error_cat_type:: 163   6 detail::error_cat_type::
164   default_error_condition( 164   default_error_condition(
165   int ev) const noexcept 165   int ev) const noexcept
166   { 166   {
HITCBC 167   6 switch(static_cast<error>(ev)) 167   6 switch(static_cast<error>(ev))
168   { 168   {
HITCBC 169   2 case error::invalid: 169   2 case error::invalid:
170   case error::out_of_range: 170   case error::out_of_range:
HITCBC 171   2 return condition::fatal; 171   2 return condition::fatal;
HITCBC 172   4 default: 172   4 default:
HITCBC 173   4 return {ev, *this}; 173   4 return {ev, *this};
174   } 174   }
175   } 175   }
176   176  
177   } // grammar 177   } // grammar
178   } // urls 178   } // urls
179   } // boost 179   } // boost
180   180  
181   #endif 181   #endif