Extension.hpp

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/*
 * Copyright (C) 2004  Andrew Sutton
 *
 * 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 2.1 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, write to:
 *
 * The Free Software Foundation, Inc.
 * 59 Temple Place, Suite 330
 * Boston, MA  02111-1307  USA
 *
 * Contact:
 *   Andrew Sutton  asutton@cs.kent.edu
 */

#ifndef OMF_EXTENSION_HPP
#define OMF_EXTENSION_HPP

// std includes
#include <string>

namespace OMF
{
  struct Extension
  {
    Extension(const std::string &name) :
      _name(name)
    {}

    virtual ~Extension()
    {}

    const std::string &name() const
    { return _name; }

  protected:
    std::string   _name;
  };

  template <class Type>
  class BasicExtension : public Extension
  {
  public:
    BasicExtension(const std::string &name) :
      Extension(name),
      _value() 
    {}

    BasicExtension(const std::string &name, Type &value) :
      Extension(name),
      _value(value)
    {}

    virtual ~BasicExtension()
    {}

    Type &get()
    { return _value; }

    void set(Type &value)
    { return _value; }

  protected:
    Type    _value;
  };
}

#endif

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