44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
// Copyright Toru Niina 2017.
|
|
// Distributed under the MIT License.
|
|
#ifndef TOML11_STORAGE_HPP
|
|
#define TOML11_STORAGE_HPP
|
|
#include "utility.hpp"
|
|
|
|
namespace toml
|
|
{
|
|
namespace detail
|
|
{
|
|
|
|
// this contains pointer and deep-copy the content if copied.
|
|
// to avoid recursive pointer.
|
|
template<typename T>
|
|
struct storage
|
|
{
|
|
using value_type = T;
|
|
|
|
explicit storage(value_type const& v): ptr(toml::make_unique<T>(v)) {}
|
|
explicit storage(value_type&& v): ptr(toml::make_unique<T>(std::move(v))) {}
|
|
~storage() = default;
|
|
storage(const storage& rhs): ptr(toml::make_unique<T>(*rhs.ptr)) {}
|
|
storage& operator=(const storage& rhs)
|
|
{
|
|
this->ptr = toml::make_unique<T>(*rhs.ptr);
|
|
return *this;
|
|
}
|
|
storage(storage&&) = default;
|
|
storage& operator=(storage&&) = default;
|
|
|
|
bool is_ok() const noexcept {return static_cast<bool>(ptr);}
|
|
|
|
value_type& value() & noexcept {return *ptr;}
|
|
value_type const& value() const& noexcept {return *ptr;}
|
|
value_type&& value() && noexcept {return std::move(*ptr);}
|
|
|
|
private:
|
|
std::unique_ptr<value_type> ptr;
|
|
};
|
|
|
|
} // detail
|
|
} // toml
|
|
#endif// TOML11_STORAGE_HPP
|