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* Remove MAGIC_ENUM_ENABLE_NONASCII

Browse source 
* Optimize template instantiations
* Remove auto is_flags
* Change flags API
This commit is contained in:
neargye 2023-05-21 03:39:52 +04:00
parent 737ed4fc7f
commit 427a47394f
27 changed files with 515 additions and 875 deletions
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50
include/magic_enum_switch.hpp
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@ -9,7 +9,7 @@
//
// Licensed under the MIT License <http://opensource.org/licenses/MIT>.
// SPDX-License-Identifier: MIT
// Copyright (c) 2019 - 2022 Daniil Goncharov <neargye@gmail.com>.
// Copyright (c) 2019 - 2023 Daniil Goncharov <neargye@gmail.com>.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
@ -56,23 +56,23 @@ struct invoke_result<F, V, true> : std::invoke_result<F, V> {};
template <typename F, typename V>
using invoke_result_t = typename invoke_result<F, V>::type;
template <typename E, typename F, std::size_t... I>
template <typename E, detail::enum_subtype S, typename F, std::size_t... I>
constexpr auto common_invocable(std::index_sequence<I...>) noexcept {
static_assert(is_enum_v<E>, "magic_enum::detail::invocable_index requires enum type.");
if constexpr (count_v<E> == 0) {
if constexpr (count_v<E, S> == 0) {
return identity<nonesuch>{};
} else {
return std::common_type<invoke_result_t<F, enum_constant<values_v<E>[I]>>...>{};
return std::common_type<invoke_result_t<F, enum_constant<values_v<E, S>[I]>>...>{};
}
}
template <typename E, typename Result, typename F>
template <typename E, detail::enum_subtype S, typename Result, typename F>
constexpr auto result_type() noexcept {
static_assert(is_enum_v<E>, "magic_enum::detail::result_type requires enum type.");
constexpr auto seq = std::make_index_sequence<detail::count_v<E>>{};
using R = typename decltype(common_invocable<E, F>(seq))::type;
constexpr auto seq = std::make_index_sequence<detail::count_v<E, S>>{};
using R = typename decltype(common_invocable<E, S, F>(seq))::type;
if constexpr (std::is_same_v<Result, default_result_type>) {
if constexpr (std::is_same_v<R, nonesuch>) {
return identity<void>{};
@ -90,7 +90,7 @@ constexpr auto result_type() noexcept {
}
}
template <typename T, typename Result, typename F, typename D = std::decay_t<T>, typename R = typename decltype(result_type<D, Result, F>())::type>
template <typename E, detail::enum_subtype S, typename Result, typename F, typename D = std::decay_t<E>, typename R = typename decltype(result_type<D, S, Result, F>())::type>
using result_t = std::enable_if_t<std::is_enum_v<D> && !std::is_same_v<R, nonesuch>, R>;
#if !defined(MAGIC_ENUM_ENABLE_HASH)
@ -110,10 +110,10 @@ constexpr R invoke_r(F&& f, Args&&... args) noexcept(std::is_nothrow_invocable_r
}
}
template <std::size_t I, std::size_t End, typename R, typename E, typename F, typename Def>
template <std::size_t I, std::size_t End, typename R, typename E, detail::enum_subtype S, typename F, typename Def>
constexpr decltype(auto) constexpr_switch_impl(F&& f, E value, Def&& def) {
if constexpr(I < End) {
constexpr auto v = enum_constant<enum_value<E, I>()>{};
constexpr auto v = enum_constant<enum_value<E, I, S>()>{};
if (value == v) {
if constexpr (std::is_invocable_r_v<R, F, decltype(v)>) {
return invoke_r<R>(std::forward<F>(f), v);
@ -121,63 +121,73 @@ constexpr decltype(auto) constexpr_switch_impl(F&& f, E value, Def&& def) {
return def();
}
} else {
return constexpr_switch_impl<I + 1, End, R>(std::forward<F>(f), value, std::forward<Def>(def));
return constexpr_switch_impl<I + 1, End, R, E, S>(std::forward<F>(f), value, std::forward<Def>(def));
}
} else {
return def();
}
}
template <typename R, typename E, typename F, typename Def>
template <typename R, typename E, detail::enum_subtype S, typename F, typename Def>
constexpr decltype(auto) constexpr_switch(F&& f, E value, Def&& def) {
static_assert(is_enum_v<E>, "magic_enum::detail::constexpr_switch requires enum type.");
if constexpr (count_v<E> == 0) {
if constexpr (count_v<E, S> == 0) {
return def();
} else {
return constexpr_switch_impl<0, count_v<E>, R>(std::forward<F>(f), value, std::forward<Def>(def));
return constexpr_switch_impl<0, count_v<E, S>, R, E, S>(std::forward<F>(f), value, std::forward<Def>(def));
}
}
#endif
} // namespace magic_enum::detail
template <typename Result = detail::default_result_type, typename E, typename F, typename R = detail::result_t<E, Result, F>>
template <typename Result = detail::default_result_type, typename E, auto S = detail::subtype_v<std::decay_t<E>>, typename F, typename R = detail::result_t<E, S, Result, F>>
constexpr decltype(auto) enum_switch(F&& f, E value) {
using D = std::decay_t<E>;
static_assert(std::is_enum_v<D>, "magic_enum::enum_switch requires enum type.");
#if defined(MAGIC_ENUM_ENABLE_HASH)
return detail::constexpr_switch<&detail::values_v<D>, detail::case_call_t::value>(
return detail::constexpr_switch<&detail::values_v<D, S>, detail::case_call_t::value>(
std::forward<F>(f),
value,
detail::default_result_type_lambda<R>);
#else
return detail::constexpr_switch<R, D>(
return detail::constexpr_switch<R, D, S>(
std::forward<F>(f),
value,
detail::default_result_type_lambda<R>);
#endif
}
template <typename Result, typename E, typename F, typename R = detail::result_t<E, Result, F>>
template <typename Result = detail::default_result_type, detail::enum_subtype S, typename E, typename F, typename R = detail::result_t<E, S, Result, F>>
constexpr decltype(auto) enum_switch(F&& f, E value) {
return enum_switch<Result, E, S>(std::forward<F>(f), value);
}
template <typename Result, typename E, auto S = detail::subtype_v<std::decay_t<E>>, typename F, typename R = detail::result_t<E, S, Result, F>>
constexpr decltype(auto) enum_switch(F&& f, E value, Result&& result) {
using D = std::decay_t<E>;
static_assert(std::is_enum_v<D>, "magic_enum::enum_switch requires enum type.");
#if defined(MAGIC_ENUM_ENABLE_HASH)
return detail::constexpr_switch<&detail::values_v<D>, detail::case_call_t::value>(
return detail::constexpr_switch<&detail::values_v<D, S>, detail::case_call_t::value>(
std::forward<F>(f),
value,
[&result]() -> R { return std::forward<Result>(result); });
#else
return detail::constexpr_switch<R, D>(
return detail::constexpr_switch<R, D, S>(
std::forward<F>(f),
value,
[&result]() -> R { return std::forward<Result>(result); });
#endif
}
template <typename Result, detail::enum_subtype S, typename E, typename F, typename R = detail::result_t<E, S, Result, F>>
constexpr decltype(auto) enum_switch(F&& f, E value, Result&& result) {
return enum_switch<Result, E, S>(std::forward<F>(f), value, std::forward<Result>(result));
}
} // namespace magic_enum
template <>