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# copy.hxx

    00001 // copy.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_COPY_HXX
    00018 # define VCSN_AUTOMATA_CONCEPT_COPY_HXX
    00019
    00020 # include <map>
    00021 # include <vaucanson/automata/concept/handlers.hh>
    00022
    00023
    00024 namespace vcsn
    00025 {
    00026
    00027   template<typename lhs_t, typename rhs_t>
    00028   void auto_copy(lhs_t& dst_,
    00029                  const rhs_t& from)
    00030   {
    00031     lhs_t dst(dst_.structure());
    00032     typedef typename lhs_t::series_set_elt_t dst_series_set_elt_t;
    00033
    00034     std::map<typename rhs_t::hstate_t, typename lhs_t::hstate_t> stmap;
    00035
    00036     for (typename rhs_t::state_iterator i = from.states().begin();
    00037          i != from.states().end();
    00038          ++i)
    00039     {
    00040       typename lhs_t::hstate_t s = dst.add_state();
    00041       dst_series_set_elt_t s_(from.get_final(*i));
    00042       dst.set_final(s, s_);
    00043       dst_series_set_elt_t s__(from.get_initial(*i));
    00044       dst.set_initial(s, s__);
    00045       stmap[*i] = s;
    00046     }
    00047
    00048     for (typename rhs_t::transition_iterator i = from.transitions().begin();
    00049          i != from.transitions().end();
    00050          ++i)
    00051     {
    00052       dst_series_set_elt_t s(from.series_of(*i));
    00053       dst.add_series_transition(stmap[from.src_of(*i)], stmap[from.dst_of(*i)], s);
    00054     }
    00055     dst_.swap(dst);
    00056   }
    00057
    00058   template<typename auto_t>
    00059   auto_t auto_copy(const auto_t& from)
    00060   {
    00061     auto_t dst;
    00062     auto_copy(dst, from);
    00063     return dst;
    00064   }
    00065
    00066 }
    00067
    00068
    00069 #endif // ! VCSN_AUTOMATA_CONCEPT_COPY_HXX