Primitive.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_PRIMITIVE_HPP
#define OMF_PRIMITIVE_HPP

// std includes
#include <string>
#include <iostream>
#include <sstream>

// boost includes
#include <boost/lexical_cast.hpp>

// OMF includes
#include <OMF/Object.hpp>

namespace OMF
{
  class Primitive : public Object
  {
  protected:
    Primitive(const std::string &mc);
    Primitive(const std::string &mc, const Primitive &value);
    Primitive(const std::string &mc, const std::string &value);

  public:
    virtual ~Primitive();

    const Primitive &operator =(const Primitive &value);
    const Primitive &operator =(const std::string &value);

    operator const std::string &() const;
    operator const char *() const;

    bool empty() const;

    void clear();

    const std::string &str() const;

    virtual unsigned hashCode() const;

  protected:
    bool    _empty; 
    std::string   _value; 
  };
};

#endif

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