| 1 | #ifndef BOOST_DESCRIBE_ENUM_TO_STRING_HPP_INCLUDED |
| 2 | #define BOOST_DESCRIBE_ENUM_TO_STRING_HPP_INCLUDED |
| 3 | |
| 4 | // Copyright 2020, 2021 Peter Dimov |
| 5 | // Distributed under the Boost Software License, Version 1.0. |
| 6 | // https://www.boost.org/LICENSE_1_0.txt |
| 7 | |
| 8 | #include <boost/describe/detail/config.hpp> |
| 9 | |
| 10 | #if defined(BOOST_DESCRIBE_CXX14) |
| 11 | |
| 12 | #include <boost/describe/enumerators.hpp> |
| 13 | #include <boost/mp11/algorithm.hpp> |
| 14 | |
| 15 | #if defined(_MSC_VER) && _MSC_VER == 1900 |
| 16 | # pragma warning(push) |
| 17 | # pragma warning(disable: 4100) // unreferenced formal parameter |
| 18 | #endif |
| 19 | |
| 20 | namespace boost |
| 21 | { |
| 22 | namespace describe |
| 23 | { |
| 24 | |
| 25 | template<class E, class De = describe_enumerators<E>> |
| 26 | char const * enum_to_string( E e, char const* def ) noexcept |
| 27 | { |
| 28 | char const * r = def; |
| 29 | |
| 30 | mp11::mp_for_each<De>([&](auto D){ |
| 31 | |
| 32 | if( e == D.value ) r = D.name; |
| 33 | |
| 34 | }); |
| 35 | |
| 36 | return r; |
| 37 | } |
| 38 | |
| 39 | } // namespace describe |
| 40 | } // namespace boost |
| 41 | |
| 42 | #if defined(_MSC_VER) && _MSC_VER == 1900 |
| 43 | # pragma warning(pop) |
| 44 | #endif |
| 45 | |
| 46 | #endif // defined(BOOST_DESCRIBE_CXX14) |
| 47 | |
| 48 | #endif // #ifndef BOOST_DESCRIBE_ENUM_TO_STRING_HPP_INCLUDED |
| 49 | |