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# char_traits.hh

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    00001 // char_traits.hh: this file is part of the Vaucanson project.
    00002 //
    00003 // Vaucanson, a generic library for finite state machines.
    00004 //
    00005 // Copyright (C) 2004, 2005, 2006 The Vaucanson Group.
    00006 //
    00007 // This program is free software; you can redistribute it and/or
    00008 // modify it under the terms of the GNU General Public License
    00009 // as published by the Free Software Foundation; either version 2
    00010 // of the License, or (at your option) any later version.
    00011 //
    00012 // The complete GNU General Public Licence Notice can be found as the
    00013 // `COPYING' file in the root directory.
    00014 //
    00015 // The Vaucanson Group consists of people listed in the `AUTHORS' file.
    00016 //
    00017 #ifndef VCSN_MISC_CHAR_TRAITS_HH
    00018 # define VCSN_MISC_CHAR_TRAITS_HH
    00019
    00048 # include <string>
    00049
    00050 namespace vcsn
    00051 {
    00052   namespace misc
    00053   {
    00054
    00064     template <class CharT>
    00065     struct generic_int_type
    00066     {
    00067         typedef CharT char_type;
    00068
    00069         generic_int_type ();
    00070         generic_int_type (const char_type&);
    00071
    00072         operator CharT () const;
    00073
    00074         bool operator== (const generic_int_type<CharT>&) const;
    00075         bool eof () const;
    00076       protected:
    00077         char_type val_;
    00078         bool eof_;
    00079     };
    00080
    00088     template <typename CharT>
    00089     struct char_traits
    00090     {
    00091         typedef CharT           char_type;
    00092         typedef generic_int_type<char_type> int_type;
    00093         typedef std::streamoff  off_type;
    00094         typedef std::streampos  pos_type;
    00095         typedef mbstate_t       state_type;
    00096
    00097         static void             assign (char_type&, const char_type&);
    00098         static bool             eq (const char_type&, const char_type&);
    00099         static bool             lt (const char_type&, const char_type&);
    00100         static int              compare (const char_type*,
    00101                                          const char_type*,
    00102                                          size_t);
    00103         static size_t   length (const char_type*);
    00104         static const char_type* find (const char_type*,
    00105                                       size_t,
    00106                                       const char_type&);
    00107         static char_type*       move (char_type*, const char_type*, size_t);
    00108         static char_type*       copy (char_type*, const char_type*, size_t);
    00109         static char_type*       assign (char_type*, size_t, char_type);
    00110         static int_type         not_eof (const int_type&);
    00111         static char_type        to_char_type (const int_type&);
    00112         static int_type         to_int_type (const char_type&);
    00113         static bool             eq_int_type (const int_type&, const int_type&);
    00114         static int_type         eof ();
    00115     };
    00116
    00118   } // end of namespace misc
    00119 } // end of namespace vcsn
    00120
    00121
    00122 # if !defined VCSN_USE_INTERFACE_ONLY || defined VCSN_USE_LIB
    00123 #  include <vaucanson/misc/char_traits.hxx>
    00124 # endif // VCSN_USE_INTERFACE_ONLY
    00125
    00126 #endif // ! VCSN_MISC_CHAR_TRAITS_HH