attribute.hpp

//  Copyright (c) 2012-2014 Christopher Hinz
//
//  Distributed under the Boost Software License, Version 1.0. (See accompanying
//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#ifndef ECHELON_ATTRIBUTE_HPP
#define ECHELON_ATTRIBUTE_HPP

#include <echelon/type.hpp>
#include <echelon/object.hpp>

#include <echelon/hdf5/attribute.hpp>

#include <utility>

namespace echelon
{

class attribute
{
public:
    using native_handle_type = hdf5::attribute;

    attribute() = default;
    
    explicit attribute(native_handle_type native_handle_);

    template <typename T>
    friend inline void operator<<=(attribute& attr, const T& value)
    {
        attr.attribute_handle_ <<= value;
    }

    template <typename T>
    friend inline void operator<<=(T& value, const attribute& attr)
    {
        value <<= attr.attribute_handle_;
    }

    type datatype() const;

    native_handle_type native_handle() const;
    
    explicit operator bool() const;
private:
    hdf5::attribute attribute_handle_;
};
}

#endif