NoMap.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
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 *
 * 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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 **************************************************************************/

#ifndef KEYVALUE_KEY_MAP_NOMAP_H_
#define KEYVALUE_KEY_MAP_NOMAP_H_

#include <boost/static_assert.hpp>

#include "keyvalue/extern/String.h"
#include "keyvalue/extern/Ptime.h"
#include "keyvalue/key/Key.h"
#include "keyvalue/util/IsBasic.h"

namespace keyvalue {

// Forward declaration

namespace value {
class Variant;
}

namespace key {

template <typename OutputType>
class NoMap {

public:

  typedef OutputType OutputType_;

  OutputType
  map(const value::Variant& variant) const;

private:

  virtual string
  getName() const = 0;

  /*
   ATTENTION: If you get a compiler error here about

   '::boost::STATIC_ASSERTION_FAILURE<x>'

   this means that you are trying to instantiate PartialMap for an
   OutputType different of bool, double, string, ptime and unsigned int.
   */
  BOOST_STATIC_ASSERT(util::IsBasic<OutputType>::value);

}; // class NoMap

} // namespace key
} // namespace keyvalue

#endif // KEYVALUE_KEY_MAP_NOMAP_H_