Authenticator.h

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/* -*- c++ -*-
 * $Id: Authenticator.h,v 1.4 2006/05/16 20:12:15 brook Exp $
 */

/*
 * ClearSilver++ Software License.
 *
 * Copyright (c) 2006 Brook Milligan <brook@nmsu.edu>
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer in the documentation and/or other materials provided
 *    with the distribution.
 * 3. The name of the author may not be used to endorse or promote
 *    products derived from this software without specific prior
 *    written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef Authenticator_h_
#define Authenticator_h_ 1

#include <boost/shared_ptr.hpp>

namespace ClearSilver
{

  class HDF;                    // forward declaration

  class Authenticator
  {
  public:
    //\{
    typedef boost::shared_ptr<Authenticator> Ptr;
    //\}

  public:
    //\{
    Authenticator ();
    Authenticator (const Authenticator&);
    virtual ~Authenticator () throw();

    Authenticator& operator = (const Authenticator&);
    void swap (Authenticator&) throw();
    //\}

    virtual bool operator () (const HDF&) const = 0;
  };

};                              // namespace ClearSilver

#endif

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