Default.h

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/***************************************************************************
 *
 * Copyright (C) 2009-2011 Cassio Neri Moreira
 *
 * This file is part of the KeyValue library.
 *
 * The KeyValue library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or (at
 * your option) any later version.
 *
 * The KeyValue 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 General
 * Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with KeyValue. If not, see <http://www.gnu.org/licenses/>.
 *
 * If you modify this library, or any covered work, by linking or combining
 * it with Excel (or a modified version of that program), containing parts
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 * Software, the licensors of KeyValue grant you additional permission to
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 **************************************************************************/

#ifndef KEYVALUE_KEY_MAP_DEFAULT_H_
#define KEYVALUE_KEY_MAP_DEFAULT_H_

#include <boost/type_traits/is_enum.hpp>

#include "keyvalue/key/map/FlagMap.h"
#include "keyvalue/key/map/NoMap.h"
#include "keyvalue/key/map/ObjectMap.h"
#include "keyvalue/util/IsBasic.h"

namespace keyvalue {
namespace key {

#if DOXYGEN
template <typename OutputType, int isBasic>
struct DefaultMap {};
#endif

template <typename OutputType,
  int isBasic = util::IsBasic<OutputType>::value  ? 0 :
    ::boost::is_enum<OutputType>::value ? 1 : 2
>
struct DefaultMap;

template <typename OutputType>
struct DefaultMap<OutputType, 0> {
  typedef NoMap<OutputType> MapType_;
};

template <typename OutputType>
struct DefaultMap<OutputType, 1> {
  typedef FlagMap<OutputType> MapType_;
};

template <typename OutputType>
struct DefaultMap<OutputType, 2> {
  typedef ObjectMap<OutputType> MapType_;
};

template <typename OutputType>
struct Default : public DefaultMap<OutputType>::MapType_ {
};

} // namespace key
} // namespace keyvalue

#endif // KEYVALUE_KEY_MAP_DEFAULT_H_