. /include/boost/url /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_IMPL_ERROR_HPP 11   #ifndef BOOST_URL_IMPL_ERROR_HPP
12   #define BOOST_URL_IMPL_ERROR_HPP 12   #define BOOST_URL_IMPL_ERROR_HPP
13   13  
14   #include <boost/url/grammar/error.hpp> 14   #include <boost/url/grammar/error.hpp>
15   #include <type_traits> 15   #include <type_traits>
16   16  
17   namespace boost { 17   namespace boost {
18   18  
19   //----------------------------------------------- 19   //-----------------------------------------------
20   namespace system { 20   namespace system {
21   template<> 21   template<>
22   struct is_error_code_enum<::boost::urls::error> 22   struct is_error_code_enum<::boost::urls::error>
23   { 23   {
24   static bool const value = true; 24   static bool const value = true;
25   }; 25   };
26   } // system 26   } // system
27   //----------------------------------------------- 27   //-----------------------------------------------
28   28  
29   namespace urls { 29   namespace urls {
30   30  
31   namespace detail { 31   namespace detail {
32   32  
33   struct BOOST_SYMBOL_VISIBLE 33   struct BOOST_SYMBOL_VISIBLE
34   error_cat_type 34   error_cat_type
35   : system::error_category 35   : system::error_category
36   { 36   {
37   BOOST_URL_CXX20_CONSTEXPR 37   BOOST_URL_CXX20_CONSTEXPR
HITCBC 38   246 const char* name( 38   246 const char* name(
39   ) const noexcept override 39   ) const noexcept override
40   { 40   {
HITCBC 41   246 return "boost.url"; 41   246 return "boost.url";
42   } 42   }
43   43  
HITCBC 44   247 std::string message( 44   247 std::string message(
45   int code) const override 45   int code) const override
46   { 46   {
HITCBC 47   494 return message(code, nullptr, 0); 47   494 return message(code, nullptr, 0);
48   } 48   }
49   49  
50   BOOST_URL_CXX20_CONSTEXPR 50   BOOST_URL_CXX20_CONSTEXPR
HITCBC 51   247 char const* message( 51   247 char const* message(
52   int code, 52   int code,
53   char*, 53   char*,
54   std::size_t) const noexcept override 54   std::size_t) const noexcept override
55   { 55   {
HITCBC 56   247 switch(static_cast<error>(code)) 56   247 switch(static_cast<error>(code))
57   { 57   {
HITCBC 58   1 case error::success: return "success"; 58   1 case error::success: return "success";
HITCBC 59   1 case error::illegal_null: return "illegal null"; 59   1 case error::illegal_null: return "illegal null";
HITCBC 60   1 case error::illegal_reserved_char: return "illegal reserved char"; 60   1 case error::illegal_reserved_char: return "illegal reserved char";
HITCBC 61   1 case error::non_canonical: return "non canonical"; 61   1 case error::non_canonical: return "non canonical";
HITCBC 62   98 case error::bad_pct_hexdig: return "bad hexdig in pct-encoding"; 62   98 case error::bad_pct_hexdig: return "bad hexdig in pct-encoding";
HITCBC 63   141 case error::incomplete_encoding: return "incomplete pct-encoding"; 63   141 case error::incomplete_encoding: return "incomplete pct-encoding";
HITCBC 64   1 case error::missing_pct_hexdig: return "missing hexdig in pct-encoding"; 64   1 case error::missing_pct_hexdig: return "missing hexdig in pct-encoding";
HITCBC 65   1 case error::no_space: return "no space"; 65   1 case error::no_space: return "no space";
HITCBC 66   1 case error::not_a_base: return "not a base"; 66   1 case error::not_a_base: return "not a base";
67   } 67   }
HITCBC 68   1 return ""; 68   1 return "";
69   } 69   }
70   70  
71   BOOST_URL_CXX20_CONSTEXPR 71   BOOST_URL_CXX20_CONSTEXPR
72   system::error_condition 72   system::error_condition
73   default_error_condition( 73   default_error_condition(
74   int ev) const noexcept override; 74   int ev) const noexcept override;
75   75  
HITCBC 76   78 BOOST_SYSTEM_CONSTEXPR error_cat_type() noexcept 76   78 BOOST_SYSTEM_CONSTEXPR error_cat_type() noexcept
HITCBC 77   78 : error_category(0xbc15399d7a4ce829) 77   78 : error_category(0xbc15399d7a4ce829)
78   { 78   {
HITCBC 79   78 } 79   78 }
80   }; 80   };
81   81  
82   #if defined(BOOST_URL_HAS_CXX20_CONSTEXPR) 82   #if defined(BOOST_URL_HAS_CXX20_CONSTEXPR)
83   // Visible so a shared library built as C++20 83   // Visible so a shared library built as C++20
84   // still exports the symbol that consumers built 84   // still exports the symbol that consumers built
85   // as C++17 reference through the extern below 85   // as C++17 reference through the extern below
86   BOOST_SYMBOL_VISIBLE 86   BOOST_SYMBOL_VISIBLE
87   inline constexpr error_cat_type error_cat{}; 87   inline constexpr error_cat_type error_cat{};
88   #else 88   #else
89   BOOST_URL_DECL extern error_cat_type error_cat; 89   BOOST_URL_DECL extern error_cat_type error_cat;
90   #endif 90   #endif
91   91  
92   } // detail 92   } // detail
93   93  
94   inline 94   inline
95   BOOST_SYSTEM_CONSTEXPR 95   BOOST_SYSTEM_CONSTEXPR
96   system::error_code 96   system::error_code
HITCBC 97   264 make_error_code( 97   264 make_error_code(
98   error ev) noexcept 98   error ev) noexcept
99   { 99   {
100   return system::error_code{ 100   return system::error_code{
101   static_cast<std::underlying_type< 101   static_cast<std::underlying_type<
102   error>::type>(ev), 102   error>::type>(ev),
HITCBC 103   264 detail::error_cat}; 103   264 detail::error_cat};
104   } 104   }
105   105  
106   BOOST_URL_CXX20_CONSTEXPR_OR_INLINE 106   BOOST_URL_CXX20_CONSTEXPR_OR_INLINE
107   system::error_condition 107   system::error_condition
HITCBC 108   9 detail::error_cat_type:: 108   9 detail::error_cat_type::
109   default_error_condition( 109   default_error_condition(
110   int ev) const noexcept 110   int ev) const noexcept
111   { 111   {
HITCBC 112   9 switch(static_cast<error>(ev)) 112   9 switch(static_cast<error>(ev))
113   { 113   {
HITCBC 114   6 default: 114   6 default:
HITCBC 115   6 return {ev, *this}; 115   6 return {ev, *this};
HITCBC 116   3 case error::bad_pct_hexdig: 116   3 case error::bad_pct_hexdig:
117   case error::incomplete_encoding: 117   case error::incomplete_encoding:
118   case error::missing_pct_hexdig: 118   case error::missing_pct_hexdig:
HITCBC 119   3 return grammar::condition::fatal; 119   3 return grammar::condition::fatal;
120   } 120   }
121   } 121   }
122   122  
123   } // urls 123   } // urls
124   } // boost 124   } // boost
125   125  
126   #endif 126   #endif