libs/capy/include/boost/capy/error.hpp
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libs/capy/include/boost/capy/error.hpp
| Line | Hits | Source Code |
|---|---|---|
| 1 | // | |
| 2 | // Copyright (c) 2025 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/cppalliance/capy | |
| 8 | // | |
| 9 | ||
| 10 | #ifndef BOOST_CAPY_ERROR_HPP | |
| 11 | #define BOOST_CAPY_ERROR_HPP | |
| 12 | ||
| 13 | #include <boost/capy/detail/config.hpp> | |
| 14 | #include <system_error> | |
| 15 | ||
| 16 | namespace boost { | |
| 17 | namespace capy { | |
| 18 | ||
| 19 | /** Error codes returned from algorithms and operations. | |
| 20 | ||
| 21 | Return `error::eof` when originating an eof error. | |
| 22 | Check `ec == cond::eof` for portable comparison. | |
| 23 | ||
| 24 | Return `error::canceled` when originating a cancellation error. | |
| 25 | Check `ec == cond::canceled` for portable comparison. | |
| 26 | ||
| 27 | Return `error::stream_truncated` when peer closes without TLS shutdown. | |
| 28 | Check `ec == cond::stream_truncated` for portable comparison. | |
| 29 | */ | |
| 30 | enum class error | |
| 31 | { | |
| 32 | eof = 1, | |
| 33 | canceled, | |
| 34 | test_failure, | |
| 35 | stream_truncated, | |
| 36 | not_found | |
| 37 | }; | |
| 38 | ||
| 39 | //----------------------------------------------- | |
| 40 | ||
| 41 | } // capy | |
| 42 | } // boost | |
| 43 | ||
| 44 | namespace std { | |
| 45 | template<> | |
| 46 | struct is_error_code_enum< | |
| 47 | ::boost::capy::error> | |
| 48 | : std::true_type {}; | |
| 49 | } // std | |
| 50 | ||
| 51 | namespace boost { | |
| 52 | namespace capy { | |
| 53 | ||
| 54 | //----------------------------------------------- | |
| 55 | ||
| 56 | namespace detail { | |
| 57 | ||
| 58 | struct BOOST_CAPY_SYMBOL_VISIBLE | |
| 59 | error_cat_type | |
| 60 | : std::error_category | |
| 61 | { | |
| 62 | BOOST_CAPY_DECL const char* name( | |
| 63 | ) const noexcept override; | |
| 64 | BOOST_CAPY_DECL std::string message( | |
| 65 | int) const override; | |
| 66 | constexpr error_cat_type() noexcept = default; | |
| 67 | }; | |
| 68 | ||
| 69 | BOOST_CAPY_DECL extern error_cat_type error_cat; | |
| 70 | ||
| 71 | } // detail | |
| 72 | ||
| 73 | //----------------------------------------------- | |
| 74 | ||
| 75 | inline | |
| 76 | std::error_code | |
| 77 | 1381 | make_error_code( |
| 78 | error ev) noexcept | |
| 79 | { | |
| 80 | 1381 | return std::error_code{ |
| 81 | static_cast<std::underlying_type< | |
| 82 | error>::type>(ev), | |
| 83 | 1381 | detail::error_cat}; |
| 84 | } | |
| 85 | ||
| 86 | } // capy | |
| 87 | } // boost | |
| 88 | ||
| 89 | #endif | |
| 90 |