syntactic_decorator.hh

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// syntactic_decorator.hh: this file is part of the Vaucanson project.
//
// Vaucanson, a generic library for finite state machines.
//
// Copyright (C) 2001, 2002, 2003, 2004, 2005 The Vaucanson Group.
//
// This program 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 2
// of the License, or (at your option) any later version.
//
// The complete GNU General Public Licence Notice can be found as the
// `COPYING' file in the root directory.
//
// The Vaucanson Group consists of people listed in the `AUTHORS' file.
//
#ifndef VCSN_DESIGN_PATTERN_SYNTACTIC_DECORATOR_HH
# define VCSN_DESIGN_PATTERN_SYNTACTIC_DECORATOR_HH

# include <vaucanson/design_pattern/predecls.hh>

namespace vcsn {

  /*-------------------.
  | SyntacticDecorator |
  `-------------------*/

  template<typename S, typename T>
  struct SyntacticDecorator
  {
    static const bool dynamic_value = true;

    const S&    structure() const;


    T&          value();
    const T&    value() const;

    template<typename OtherS, typename U>
    Element<S, T>& operator+=(const Element<OtherS, U>& other);

    template<typename U>
    Element<S, T>& operator+=(const U& other);

    template<typename OtherS, typename U>
    Element<S, T>& operator-=(const Element<OtherS, U>& other);

    template<typename U>
    Element<S, T>& operator-=(const U& other);

    template<typename OtherS, typename U>
    Element<S, T>& operator/=(const Element<OtherS, U>& other);

    template<typename U>
    Element<S, T>& operator/=(const U& other);

    template<typename OtherS, typename U>
    Element<S, T>& operator*=(const Element<OtherS, U>& other);

    template<typename U>
    Element<S, T>& operator*=(const U& other);

    template<typename OtherS, typename U>
    Element<S, T>& operator%=(const Element<OtherS, U>& other);

    template<typename U>
    Element<S, T>& operator%=(const U& other);

    Element<S, T>& operator++();

    Element<S, T> operator++(int);

    Element<S, T>& operator--();

    Element<S, T> operator--(int);

    template<typename U>
    Element<S, T>& swap(Element<S, U>& other);


    Element<S, T>& self();
    const Element<S, T>& self() const;

  protected:


    SyntacticDecorator();
    SyntacticDecorator(const SyntacticDecorator& other);
  };

} // vcsn

# ifndef VCSN_USE_INTERFACE_ONLY
#  include <vaucanson/design_pattern/syntactic_decorator.hxx>
# endif // VCSN_USE_INTERFACE_ONLY

#endif // ! VCSN_DESIGN_PATTERN_SYNTACTIC_DECORATOR_HH

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