Files
meta.hpp/headers/meta.hpp/meta_data_info.hpp
2021-07-01 01:44:41 +07:00

73 lines
2.2 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_fwd.hpp"
#include "meta_value.hpp"
namespace meta_hpp
{
class data_info {
public:
data_info() = delete;
data_info(data_info&&) = default;
data_info(const data_info&) = default;
data_info& operator=(data_info&&) = default;
data_info& operator=(const data_info&) = default;
data_info(std::string id, value value)
: id_(std::move(id))
, value_(std::move(value)) {}
public:
const std::string& id() const noexcept {
return id_;
}
const value& get() const noexcept {
return value_;
}
template < typename F >
void each_data(F&& f) const {
for ( auto [_, info] : datas_ ) {
std::invoke(f, info);
}
}
std::optional<data_info> get_data(std::string_view id) const {
return detail::find_opt(datas_, id);
}
private:
friend class class_info;
friend class field_info;
friend class function_info;
friend class method_info;
friend class namespace_info;
friend class variable_info;
template < typename Class > friend class class_;
template < auto Field > friend class field_;
template < auto Function > friend class function_;
template < auto Method > friend class method_;
friend class namespace_;
template < auto Variable > friend class variable_;
friend class data_;
private:
void merge_with_(const data_info& other) {
value_ = other.value_;
detail::merge_with(datas_, other.datas_, &data_info::merge_with_);
}
private:
std::string id_;
value value_;
std::map<std::string, data_info, std::less<>> datas_;
};
}