escaper.hh

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// escaper.hh: this file is part of the Vaucanson project.
//
// Vaucanson, a generic library for finite state machines.
//
// Copyright (C) 2004 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_MISC_ESCAPER_HH
# define VCSN_MISC_ESCAPER_HH

# include <set>

# include <vaucanson/misc/iomanip.hh>

namespace utility
{

  template <class T>
  struct escaper : public iomanip< escaper<T> >
  {
    explicit
    escaper(const T& w);
    std::ostream& operator () (std::ostream& ostr) const;
  protected:
    const T& w_;
  };

  template <class T>
  escaper<T>
  make_escaper(const T& w);

  struct setesc : public iomanip<setesc>
  {
    setesc(const std::set<char>& s);
    std::ostream& operator () (std::ostream& ostr) const;
  protected:
    const std::set<char>& s_;
  };

  std::set<char>& getesc(std::ostream& ostr);

} // End of namespace utility.

# ifndef VCSN_USE_INTERFACE_ONLY
#  include <vaucanson/misc/escaper.hxx>
# endif // VCSN_USE_INTERFACE_ONLY

#endif // ! VCSN_MISC_ESCAPER_HH

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