TLA  Line data    Source code

       1                 : //
       2                 : // Copyright (c) 2025 Vinnie Falco (vinnie.falco@gmail.com)
       3                 : // Copyright (c) 2026 Michael Vandeberg
       4                 : //
       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)
       7                 : //
       8                 : // Official repository: https://github.com/cppalliance/capy
       9                 : //
      10                 : 
      11                 : #include <boost/capy/error.hpp>
      12                 : #include <boost/capy/cond.hpp>
      13                 : 
      14                 : namespace boost {
      15                 : namespace capy {
      16                 : 
      17                 : namespace detail {
      18                 : 
      19                 : const char*
      20 HIT           2 : error_cat_type::
      21                 : name() const noexcept
      22                 : {
      23               2 :     return "boost.capy";
      24                 : }
      25                 : 
      26                 : std::string
      27            1037 : error_cat_type::
      28                 : message(int code) const
      29                 : {
      30            1037 :     switch(static_cast<error>(code))
      31                 :     {
      32               6 :     case error::eof: return "eof";
      33               3 :     case error::canceled: return "operation canceled";
      34            3090 :     case error::test_failure: return "test failure";
      35               3 :     case error::stream_truncated: return "stream truncated";
      36               3 :     case error::not_found: return "not found";
      37               3 :     case error::timeout: return "timeout";
      38               1 :     default:
      39               2 :         return "unknown";
      40                 :     }
      41                 : }
      42                 : 
      43                 : // Map each capy error code to its canonical portable condition.
      44                 : // canceled and timeout have standard equivalents, so they map to the
      45                 : // generic conditions rather than capy's own cond enumerators; this is
      46                 : // what lets, e.g., error::canceled compare equal to
      47                 : // std::errc::operation_canceled.
      48                 : std::error_condition
      49             546 : error_cat_type::
      50                 : default_error_condition(int code) const noexcept
      51                 : {
      52             546 :     switch(static_cast<error>(code))
      53                 :     {
      54             301 :     case error::eof:              return make_error_condition(cond::eof);
      55               4 :     case error::canceled:         return std::make_error_condition(std::errc::operation_canceled);
      56               1 :     case error::stream_truncated: return make_error_condition(cond::stream_truncated);
      57              12 :     case error::not_found:        return make_error_condition(cond::not_found);
      58               7 :     case error::timeout:          return std::make_error_condition(std::errc::timed_out);
      59             221 :     default:                      return std::error_condition(code, *this);
      60                 :     }
      61                 : }
      62                 : 
      63                 : //-----------------------------------------------
      64                 : 
      65                 : // msvc 14.0 has a bug that warns about inability
      66                 : // to use constexpr construction here, even though
      67                 : // there's no constexpr construction
      68                 : #if BOOST_CAPY_WORKAROUND(_MSC_VER, <= 1900)
      69                 : BOOST_CAPY_MSVC_WARNING_PUSH
      70                 : BOOST_CAPY_MSVC_WARNING_DISABLE(4592)
      71                 : #endif
      72                 : 
      73                 : #if defined(__cpp_constinit) && __cpp_constinit >= 201907L
      74                 : constinit error_cat_type error_cat;
      75                 : #else
      76                 : error_cat_type error_cat;
      77                 : #endif
      78                 : 
      79                 : #if BOOST_CAPY_WORKAROUND(_MSC_VER, <= 1900)
      80                 : BOOST_CAPY_MSVC_WARNING_POP
      81                 : #endif
      82                 : 
      83                 : } // detail
      84                 : 
      85                 : } // capy
      86                 : } // boost