77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
|
#ifndef RFL_INTERNAL_ENUMS_NAMES_HPP_
|
||
|
|
#define RFL_INTERNAL_ENUMS_NAMES_HPP_
|
||
|
|
|
||
|
|
#include <algorithm>
|
||
|
|
#include <array>
|
||
|
|
#include <string>
|
||
|
|
#include <string_view>
|
||
|
|
#include <type_traits>
|
||
|
|
#include <utility>
|
||
|
|
|
||
|
|
#include "../../Literal.hpp"
|
||
|
|
#include "../../define_literal.hpp"
|
||
|
|
#include "../../make_named_tuple.hpp"
|
||
|
|
#include "../StringLiteral.hpp"
|
||
|
|
|
||
|
|
namespace rfl {
|
||
|
|
namespace internal {
|
||
|
|
namespace enums {
|
||
|
|
|
||
|
|
template <class EnumType, class LiteralType, size_t N, auto... _enums>
|
||
|
|
struct Names {
|
||
|
|
/// Contains a collection of enums as compile-time strings.
|
||
|
|
using Literal = LiteralType;
|
||
|
|
|
||
|
|
/// The number of possible values
|
||
|
|
constexpr static size_t size = N;
|
||
|
|
|
||
|
|
/// A list of all the possible enums
|
||
|
|
constexpr static std::array<EnumType, N> enums_ =
|
||
|
|
std::array<EnumType, N>{_enums...};
|
||
|
|
|
||
|
|
static_assert(N == 0 || LiteralType::size() == N,
|
||
|
|
"Size of literal and enum do not match.");
|
||
|
|
|
||
|
|
template <class NewLiteral, auto _new_enum>
|
||
|
|
using AddOneType = std::conditional_t<
|
||
|
|
N == 0, Names<EnumType, NewLiteral, 1, _new_enum>,
|
||
|
|
Names<EnumType, define_literal_t<LiteralType, NewLiteral>, N + 1,
|
||
|
|
_enums..., _new_enum>>;
|
||
|
|
};
|
||
|
|
|
||
|
|
template <class EnumType, size_t N, StringLiteral... _names, auto... _enums>
|
||
|
|
auto names_to_enumerator_named_tuple(
|
||
|
|
Names<EnumType, Literal<_names...>, N, _enums...>) {
|
||
|
|
return make_named_tuple(Field<_names, EnumType>{_enums}...);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class EnumType, size_t N, StringLiteral... _names, auto... _enums>
|
||
|
|
auto names_to_underlying_enumerator_named_tuple(
|
||
|
|
Names<EnumType, Literal<_names...>, N, _enums...>) {
|
||
|
|
return make_named_tuple(Field<_names, std::underlying_type_t<EnumType>>{
|
||
|
|
static_cast<std::underlying_type_t<EnumType>>(_enums)}...);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class EnumType, size_t N, StringLiteral... _names, auto... _enums>
|
||
|
|
constexpr std::array<std::pair<std::string_view, EnumType>, N>
|
||
|
|
names_to_enumerator_array(Names<EnumType, Literal<_names...>, N, _enums...>) {
|
||
|
|
return {
|
||
|
|
std::make_pair(LiteralHelper<_names>::field_.string_view(), _enums)...};
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class EnumType, size_t N, StringLiteral... _names, auto... _enums>
|
||
|
|
constexpr std::array<
|
||
|
|
std::pair<std::string_view, std::underlying_type_t<EnumType>>, N>
|
||
|
|
names_to_underlying_enumerator_array(
|
||
|
|
Names<EnumType, Literal<_names...>, N, _enums...>) {
|
||
|
|
return {
|
||
|
|
std::make_pair(LiteralHelper<_names>::field_.string_view(),
|
||
|
|
static_cast<std::underlying_type_t<EnumType>>(_enums))...};
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace enums
|
||
|
|
} // namespace internal
|
||
|
|
} // namespace rfl
|
||
|
|
|
||
|
|
#endif
|