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118 lines
4.1 KiB
C++
118 lines
4.1 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_IOSTREAM_HPP
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#define NEARGYE_MAGIC_ENUM_IOSTREAM_HPP
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#include "magic_enum.hpp"
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#include "magic_enum_flags.hpp"
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#ifndef MAGIC_ENUM_USE_STD_MODULE
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#include <iosfwd>
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#endif
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namespace magic_enum {
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namespace ostream_operators {
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template <typename Char, typename Traits, typename E, detail::enable_if_t<E, int> = 0>
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std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& os, E value) {
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using D = std::decay_t<E>;
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using U = underlying_type_t<D>;
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if constexpr (detail::supported<D>::value) {
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if constexpr (detail::subtype_v<D> == detail::enum_subtype::flags) {
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if (const auto name = enum_flags_name<D>(value); !name.empty()) {
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for (const auto c : name) {
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os.put(c);
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}
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return os;
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}
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} else {
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if (const auto name = enum_name<D>(value); !name.empty()) {
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for (const auto c : name) {
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os.put(c);
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}
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return os;
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}
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}
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}
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return (os << static_cast<U>(value));
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}
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template <typename Char, typename Traits, typename E, detail::enable_if_t<E, int> = 0>
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std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& os, optional<E> value) {
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return value ? (os << *value) : os;
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}
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} // namespace magic_enum::ostream_operators
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namespace istream_operators {
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template <typename Char, typename Traits, typename E, detail::enable_if_t<E, int> = 0>
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std::basic_istream<Char, Traits>& operator>>(std::basic_istream<Char, Traits>& is, E& value) {
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using D = std::decay_t<E>;
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std::basic_string<Char, Traits> s;
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is >> s;
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if constexpr (detail::supported<D>::value) {
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if constexpr (detail::subtype_v<D> == detail::enum_subtype::flags) {
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if (const auto v = enum_flags_cast<D>(s)) {
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value = *v;
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} else {
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is.setstate(std::basic_ios<Char>::failbit);
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}
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} else {
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if (const auto v = enum_cast<D>(s)) {
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value = *v;
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} else {
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is.setstate(std::basic_ios<Char>::failbit);
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}
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}
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} else {
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is.setstate(std::basic_ios<Char>::failbit);
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}
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return is;
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}
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} // namespace magic_enum::istream_operators
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namespace iostream_operators {
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using magic_enum::ostream_operators::operator<<;
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using magic_enum::istream_operators::operator>>;
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} // namespace magic_enum::iostream_operators
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} // namespace magic_enum
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#endif // NEARGYE_MAGIC_ENUM_IOSTREAM_HPP
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