. /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   // 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/url 7   // Official repository: https://github.com/boostorg/url
8   // 8   //
9   9  
10   #ifndef BOOST_URL_IMPL_ERROR_HPP 10   #ifndef BOOST_URL_IMPL_ERROR_HPP
11   #define BOOST_URL_IMPL_ERROR_HPP 11   #define BOOST_URL_IMPL_ERROR_HPP
12   12  
13   #include <boost/url/grammar/error.hpp> 13   #include <boost/url/grammar/error.hpp>
14   #include <type_traits> 14   #include <type_traits>
15   15  
16   namespace boost { 16   namespace boost {
17   17  
18   //----------------------------------------------- 18   //-----------------------------------------------
19   namespace system { 19   namespace system {
20   template<> 20   template<>
21   struct is_error_code_enum<::boost::urls::error> 21   struct is_error_code_enum<::boost::urls::error>
22   { 22   {
23   static bool const value = true; 23   static bool const value = true;
24   }; 24   };
25   } // system 25   } // system
26   //----------------------------------------------- 26   //-----------------------------------------------
27   27  
28   namespace urls { 28   namespace urls {
29   29  
30   namespace detail { 30   namespace detail {
31   31  
32   struct BOOST_SYMBOL_VISIBLE 32   struct BOOST_SYMBOL_VISIBLE
33   error_cat_type 33   error_cat_type
34   : system::error_category 34   : system::error_category
35   { 35   {
36   BOOST_URL_CXX20_CONSTEXPR 36   BOOST_URL_CXX20_CONSTEXPR
HITCBC 37   246 const char* name( 37   246 const char* name(
38   ) const noexcept override 38   ) const noexcept override
39   { 39   {
HITCBC 40   246 return "boost.url"; 40   246 return "boost.url";
41   } 41   }
42   42  
HITCBC 43   247 std::string message( 43   247 std::string message(
44   int code) const override 44   int code) const override
45   { 45   {
HITCBC 46   494 return message(code, nullptr, 0); 46   494 return message(code, nullptr, 0);
47   } 47   }
48   48  
49   BOOST_URL_CXX20_CONSTEXPR 49   BOOST_URL_CXX20_CONSTEXPR
HITCBC 50   247 char const* message( 50   247 char const* message(
51   int code, 51   int code,
52   char*, 52   char*,
53   std::size_t) const noexcept override 53   std::size_t) const noexcept override
54   { 54   {
HITCBC 55   247 switch(static_cast<error>(code)) 55   247 switch(static_cast<error>(code))
56   { 56   {
HITCBC 57   1 case error::success: return "success"; 57   1 case error::success: return "success";
HITCBC 58   1 case error::illegal_null: return "illegal null"; 58   1 case error::illegal_null: return "illegal null";
HITCBC 59   1 case error::illegal_reserved_char: return "illegal reserved char"; 59   1 case error::illegal_reserved_char: return "illegal reserved char";
HITCBC 60   1 case error::non_canonical: return "non canonical"; 60   1 case error::non_canonical: return "non canonical";
HITCBC 61   98 case error::bad_pct_hexdig: return "bad hexdig in pct-encoding"; 61   98 case error::bad_pct_hexdig: return "bad hexdig in pct-encoding";
HITCBC 62   141 case error::incomplete_encoding: return "incomplete pct-encoding"; 62   141 case error::incomplete_encoding: return "incomplete pct-encoding";
HITCBC 63   1 case error::missing_pct_hexdig: return "missing hexdig in pct-encoding"; 63   1 case error::missing_pct_hexdig: return "missing hexdig in pct-encoding";
HITCBC 64   1 case error::no_space: return "no space"; 64   1 case error::no_space: return "no space";
HITCBC 65   1 case error::not_a_base: return "not a base"; 65   1 case error::not_a_base: return "not a base";
66   } 66   }
HITCBC 67   1 return ""; 67   1 return "";
68   } 68   }
69   69  
70   BOOST_URL_CXX20_CONSTEXPR 70   BOOST_URL_CXX20_CONSTEXPR
71   system::error_condition 71   system::error_condition
72   default_error_condition( 72   default_error_condition(
73   int ev) const noexcept override; 73   int ev) const noexcept override;
74   74  
HITCBC 75   78 BOOST_SYSTEM_CONSTEXPR error_cat_type() noexcept 75   78 BOOST_SYSTEM_CONSTEXPR error_cat_type() noexcept
HITCBC 76   78 : error_category(0xbc15399d7a4ce829) 76   78 : error_category(0xbc15399d7a4ce829)
77   { 77   {
HITCBC 78   78 } 78   78 }
79   }; 79   };
80   80  
81   #if defined(BOOST_URL_HAS_CXX20_CONSTEXPR) 81   #if defined(BOOST_URL_HAS_CXX20_CONSTEXPR)
82   inline constexpr error_cat_type error_cat{}; 82   inline constexpr error_cat_type error_cat{};
83   #else 83   #else
84   BOOST_URL_DECL extern error_cat_type error_cat; 84   BOOST_URL_DECL extern error_cat_type error_cat;
85   #endif 85   #endif
86   86  
87   } // detail 87   } // detail
88   88  
89   inline 89   inline
90   BOOST_SYSTEM_CONSTEXPR 90   BOOST_SYSTEM_CONSTEXPR
91   system::error_code 91   system::error_code
HITCBC 92   264 make_error_code( 92   264 make_error_code(
93   error ev) noexcept 93   error ev) noexcept
94   { 94   {
95   return system::error_code{ 95   return system::error_code{
96   static_cast<std::underlying_type< 96   static_cast<std::underlying_type<
97   error>::type>(ev), 97   error>::type>(ev),
HITCBC 98   264 detail::error_cat}; 98   264 detail::error_cat};
99   } 99   }
100   100  
101   BOOST_URL_CXX20_CONSTEXPR_OR_INLINE 101   BOOST_URL_CXX20_CONSTEXPR_OR_INLINE
102   system::error_condition 102   system::error_condition
HITCBC 103   9 detail::error_cat_type:: 103   9 detail::error_cat_type::
104   default_error_condition( 104   default_error_condition(
105   int ev) const noexcept 105   int ev) const noexcept
106   { 106   {
HITCBC 107   9 switch(static_cast<error>(ev)) 107   9 switch(static_cast<error>(ev))
108   { 108   {
HITCBC 109   6 default: 109   6 default:
HITCBC 110   6 return {ev, *this}; 110   6 return {ev, *this};
HITCBC 111   3 case error::bad_pct_hexdig: 111   3 case error::bad_pct_hexdig:
112   case error::incomplete_encoding: 112   case error::incomplete_encoding:
113   case error::missing_pct_hexdig: 113   case error::missing_pct_hexdig:
HITCBC 114   3 return grammar::condition::fatal; 114   3 return grammar::condition::fatal;
115   } 115   }
116   } 116   }
117   117  
118   } // urls 118   } // urls
119   } // boost 119   } // boost
120   120  
121   #endif 121   #endif