/*

 * libopenraw - metavalue.h

 *

 * Copyright (C) 2007-2016 Hubert Figuiere

 * Copyright (C) 2008 Novell, Inc.

 *

 * This library is free software: you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public License

 * as published by the Free Software Foundation, either version 3 of

 * the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library.  If not, see

 * <http://www.gnu.org/licenses/>.

 */

#ifndef LIBOPENRAWPP_METAVALUE_H_

#define LIBOPENRAWPP_METAVALUE_H_

#include <stdint.h>

#include <vector>

#include <boost/variant.hpp>

namespace OpenRaw {

class MetaValue

{

public:

    typedef boost::variant<std::string, uint32_t, double> value_t;

    MetaValue(const MetaValue &);

    template <class T> MetaValue(const T &v)

        {

            m_values.push_back(v);

        }

    template <class T> MetaValue(const std::vector<T> &v)

        : m_values(v)

        {

        }

    explicit MetaValue(const value_t &v);

    explicit MetaValue(const std::vector<value_t> &v);

    uint32_t getCount() const

        {

            return m_values.size();

        }

    uint32_t getInteger(int idx) const;

    const std::string & getString(int idx) const;

    double getDouble(int idx) const;

private:

    /// Return a copy of the value

    template<typename T> T get(int idx) const;

    /// Return a const ref to the value. T needs to be default constructible.

    template<typename T> const T & getRef(int idx) const;

    std::vector<value_t> m_values;

};

}

/*

  Local Variables:

  mode:c++

  c-file-style:"stroustrup"

  c-file-offsets:((innamespace . 0))

  indent-tabs-mode:nil

  fill-column:80

  End:

*/

#endif