138 lines
4 KiB
C++
138 lines
4 KiB
C++
#ifndef RFL_RENAME_HPP_
|
|
#define RFL_RENAME_HPP_
|
|
|
|
#include <algorithm>
|
|
#include <string_view>
|
|
#include <tuple>
|
|
#include <type_traits>
|
|
#include <utility>
|
|
|
|
#include "Literal.hpp"
|
|
#include "default.hpp"
|
|
#include "internal/StringLiteral.hpp"
|
|
|
|
namespace rfl {
|
|
|
|
/// Used to assign a new name to a field, which is different from the name
|
|
/// inside the struct.
|
|
template <internal::StringLiteral _name, class T>
|
|
struct Rename {
|
|
/// The underlying type.
|
|
using Type = T;
|
|
|
|
/// The name of the field.
|
|
using Name = rfl::Literal<_name>;
|
|
|
|
Rename() : value_(Type()) {}
|
|
|
|
Rename(const Type& _value) : value_(_value) {}
|
|
|
|
Rename(Type&& _value) noexcept : value_(std::move(_value)) {}
|
|
|
|
Rename(Rename<_name, T>&& _field) noexcept = default;
|
|
|
|
Rename(const Rename<_name, Type>& _field) = default;
|
|
|
|
template <class U>
|
|
Rename(const Rename<_name, U>& _field) : value_(_field.get()) {}
|
|
|
|
template <class U>
|
|
Rename(Rename<_name, U>&& _field) : value_(_field.get()) {}
|
|
|
|
template <class U, typename std::enable_if<std::is_convertible_v<U, Type>, bool>::type = true>
|
|
Rename(const U& _value) : value_(_value) {}
|
|
|
|
template <class U, typename std::enable_if<std::is_convertible_v<U, Type>, bool>::type = true>
|
|
Rename(U&& _value) noexcept : value_(std::forward<U>(_value)) {}
|
|
|
|
template <class U, typename std::enable_if<std::is_convertible_v<U, Type>, bool>::type = true>
|
|
Rename(const Rename<_name, U>& _field) : value_(_field.value()) {}
|
|
|
|
/// Assigns the underlying object to its default value.
|
|
template <
|
|
class U = Type,
|
|
typename std::enable_if<std::is_default_constructible_v<U>, bool>::type = true>
|
|
Rename(const Default& _default) : value_(Type()) {}
|
|
|
|
~Rename() = default;
|
|
|
|
/// The name of the field, for internal use.
|
|
constexpr static const internal::StringLiteral name_ = _name;
|
|
|
|
/// Returns the underlying object.
|
|
const Type& get() const { return value_; }
|
|
|
|
/// Returns the underlying object.
|
|
Type& operator()() { return value_; }
|
|
|
|
/// Returns the underlying object.
|
|
const Type& operator()() const { return value_; }
|
|
|
|
/// Assigns the underlying object.
|
|
auto& operator=(const Type& _value) {
|
|
value_ = _value;
|
|
return *this;
|
|
}
|
|
|
|
/// Assigns the underlying object.
|
|
auto& operator=(Type&& _value) noexcept {
|
|
value_ = std::move(_value);
|
|
return *this;
|
|
}
|
|
|
|
/// Assigns the underlying object.
|
|
template <class U, typename std::enable_if<std::is_convertible_v<U, Type>, bool>::type = true>
|
|
auto& operator=(const U& _value) {
|
|
value_ = _value;
|
|
return *this;
|
|
}
|
|
|
|
/// Assigns the underlying object to its default value.
|
|
template <
|
|
class U = Type,
|
|
typename std::enable_if<std::is_default_constructible_v<U>, bool>::type = true>
|
|
auto& operator=(const Default& _default) {
|
|
value_ = Type();
|
|
return *this;
|
|
}
|
|
|
|
/// Assigns the underlying object.
|
|
Rename<_name, T>& operator=(const Rename<_name, T>& _field) = default;
|
|
|
|
/// Assigns the underlying object.
|
|
Rename<_name, T>& operator=(Rename<_name, T>&& _field) = default;
|
|
|
|
/// Assigns the underlying object.
|
|
template <class U>
|
|
auto& operator=(const Rename<_name, U>& _field) {
|
|
value_ = _field.get();
|
|
return *this;
|
|
}
|
|
|
|
/// Assigns the underlying object.
|
|
template <class U>
|
|
auto& operator=(Rename<_name, U>&& _field) {
|
|
value_ = std::forward<T>(_field.value_);
|
|
return *this;
|
|
}
|
|
|
|
/// Assigns the underlying object.
|
|
void set(const Type& _value) { value_ = _value; }
|
|
|
|
/// Assigns the underlying object.
|
|
void set(Type&& _value) { value_ = std::move(_value); }
|
|
|
|
/// Returns the underlying object.
|
|
Type& value() { return value_; }
|
|
|
|
/// Returns the underlying object.
|
|
const Type& value() const { return value_; }
|
|
|
|
/// The underlying value.
|
|
Type value_;
|
|
};
|
|
|
|
} // namespace rfl
|
|
|
|
#endif
|