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# translate.hxx

    00001 // translate.hxx: this file is part of the Vaucanson project.
    00002 //
    00003 // Vaucanson, a generic library for finite state machines.
    00004 //
    00005 // Copyright (C) 2001, 2002, 2003, 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_AUTOMATA_CONCEPT_TRANSLATE_HXX
    00018 # define VCSN_AUTOMATA_CONCEPT_TRANSLATE_HXX
    00019
    00020 # include <vaucanson/automata/concept/translate.hh>
    00021 # include <vaucanson/automata/concept/handlers.hh>
    00022 # include <map>
    00023
    00024 namespace vcsn {
    00025
    00026   template<typename lhs_t, typename rhs_t, typename F>
    00027   void auto_translate_transitions(lhs_t& dst_,
    00028                                   const rhs_t& from,
    00029                                   const F& translate_fun)
    00030   {
    00031     lhs_t dst;
    00032     std::map<hstate_t, hstate_t> stmap;
    00033
    00034     dst.create();
    00035     dst.series() = from.series();
    00036     for (typename rhs_t::state_iterator i = from.states().begin();
    00037          i != from.states().end();
    00038          ++i)
    00039     {
    00040       hstate_t s = dst.add_state();
    00041       dst.set_final(s, from.get_final(*i));
    00042       dst.set_initial(s, from.get_initial(*i));
    00043       stmap[*i] = s;
    00044     }
    00045     for (typename rhs_t::transition_iterator i = from.transitions().begin();
    00046          i != from.transitions().end();
    00047          ++i)
    00048       dst.add_series_transition(stmap[from.src_of(*i)], stmap[from.dst_of(*i)],
    00049                                 translate_fun(from.series_of(*i)));
    00050     dst_.swap(dst);
    00051   }
    00052
    00053   template<typename auto_t, typename F>
    00054   auto_t auto_translate_transitions(const auto_t& from, const F& translate_fun)
    00055   {
    00056     auto_t dst;
    00057     auto_translate_transitions(dst, from, translate_fun);
    00058     return dst;
    00059   }
    00060
    00061 } // vcsn
    00062
    00063 #endif // ! VCSN_AUTOMATA_CONCEPT_TRANSLATE_HXX