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meta.hpp/headers/meta.hpp/meta_states/evalue.hpp
2022-01-22 04:29:17 +07:00

60 lines
1.7 KiB
C++

/*******************************************************************************
* This file is part of the "https://github.com/blackmatov/meta.hpp"
* For conditions of distribution and use, see copyright notice in LICENSE.md
* Copyright (C) 2021, by Matvey Cherevko (blackmatov@gmail.com)
******************************************************************************/
#pragma once
#include "../meta_base.hpp"
#include "../meta_states.hpp"
#include "../meta_types/enum_type.hpp"
namespace meta_hpp::detail
{
template < enum_kind Enum >
evalue_state_ptr evalue_state::make(std::string name, Enum value) {
evalue_index index{enum_type_data::get_static<Enum>(), std::move(name)};
return std::make_shared<evalue_state>(evalue_state{
.index{std::move(index)},
.enum_value{value},
.underlying_value{stdex::to_underlying(value)},
});
}
}
namespace meta_hpp
{
inline evalue::evalue(detail::evalue_state_ptr state)
: state_{std::move(state)} {}
inline bool evalue::is_valid() const noexcept {
return !!state_;
}
inline evalue::operator bool() const noexcept {
return is_valid();
}
inline const evalue_index& evalue::get_index() const noexcept {
return state_->index;
}
inline const enum_type& evalue::get_type() const noexcept {
return state_->index.type;
}
inline const std::string& evalue::get_name() const noexcept {
return state_->index.name;
}
inline const value& evalue::get_value() const noexcept {
return state_->enum_value;
}
inline const value& evalue::get_underlying_value() const noexcept {
return state_->underlying_value;
}
}