mirror of
https://github.com/Neargye/magic_enum.git
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ffb57fe2ca
Fixes type redefinition errors when compiling magic_enum as a module with the MAGIC_ENUM_USE_STD_MODULE preprocessor variable defined.
88 lines
3.6 KiB
C++
88 lines
3.6 KiB
C++
// __ __ _ ______ _____
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// | \/ | (_) | ____| / ____|_ _
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// | \ / | __ _ __ _ _ ___ | |__ _ __ _ _ _ __ ___ | | _| |_ _| |_
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// | |\/| |/ _` |/ _` | |/ __| | __| | '_ \| | | | '_ ` _ \ | | |_ _|_ _|
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// | | | | (_| | (_| | | (__ | |____| | | | |_| | | | | | | | |____|_| |_|
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// |_| |_|\__,_|\__, |_|\___| |______|_| |_|\__,_|_| |_| |_| \_____|
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// __/ | https://github.com/Neargye/magic_enum
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// |___/ version 0.9.7
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//
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// Licensed under the MIT License <http://opensource.org/licenses/MIT>.
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// SPDX-License-Identifier: MIT
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// Copyright (c) 2019 - 2024 Daniil Goncharov <neargye@gmail.com>.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#ifndef NEARGYE_MAGIC_ENUM_FORMAT_HPP
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#define NEARGYE_MAGIC_ENUM_FORMAT_HPP
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#include "magic_enum.hpp"
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#include "magic_enum_flags.hpp"
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namespace magic_enum::detail {
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template <typename E, std::enable_if_t<std::is_enum_v<std::decay_t<E>>, int> = 0>
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std::string format_as(E e) {
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using D = std::decay_t<E>;
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static_assert(std::is_same_v<char, magic_enum::string_view::value_type>, "magic_enum::formatter requires string_view::value_type type same as char.");
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if constexpr (magic_enum::detail::supported<D>::value) {
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if constexpr (magic_enum::detail::subtype_v<D> == magic_enum::detail::enum_subtype::flags) {
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if (const auto name = magic_enum::enum_flags_name<D>(e); !name.empty()) {
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return {name.data(), name.size()};
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}
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} else {
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if (const auto name = magic_enum::enum_name<D>(e); !name.empty()) {
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return {name.data(), name.size()};
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}
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}
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}
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return std::to_string(magic_enum::enum_integer<D>(e));
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}
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} // namespace magic_enum::format
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#if defined(__cpp_lib_format)
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#ifndef MAGIC_ENUM_USE_STD_MODULE
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#include <format>
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#endif
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template <typename E>
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struct std::formatter<E, std::enable_if_t<std::is_enum_v<std::decay_t<E>>, char>> : std::formatter<std::string_view, char> {
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template <class FormatContext>
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auto format(E e, FormatContext& ctx) const {
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return std::formatter<std::string_view, char>::format(magic_enum::detail::format_as<E>(e), ctx);
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}
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};
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#endif
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#if defined(FMT_VERSION)
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template <typename E>
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struct fmt::formatter<E, std::enable_if_t<std::is_enum_v<std::decay_t<E>>, char>> : fmt::formatter<std::string_view, char> {
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template <class FormatContext>
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auto format(E e, FormatContext& ctx) const {
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return fmt::formatter<std::string_view, char>::format(magic_enum::detail::format_as<E>(e), ctx);
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}
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};
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#endif
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#endif // NEARGYE_MAGIC_ENUM_FORMAT_HPP
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