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# depth_visitor.hh

    00001 // depth_visitor.hh: 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 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_ALGEBRA_IMPLEMENTATION_SERIES_RAT_DEPTH_VISITOR_HH
    00018 # define VCSN_ALGEBRA_IMPLEMENTATION_SERIES_RAT_DEPTH_VISITOR_HH
    00019
    00020 # include <cstddef>
    00021
    00022 # include <vaucanson/algebra/implementation/series/rat/nodes.hh>
    00023
    00024 namespace vcsn {
    00025
    00026   namespace rat {
    00027
    00028     template<typename M_, typename W_>
    00029     class DepthVisitor : public ConstNodeVisitor<M_, W_>
    00030     {
    00031     protected:
    00032       void
    00033       sum_or_product(const Node<M_, W_>* left_, const Node<M_, W_>* right_);
    00034       void
    00035       weight_or_star(const Node<M_, W_>* node);
    00036
    00037     public:
    00038       virtual void
    00039       product(const Node<M_, W_>* left_, const Node<M_, W_>* right_);
    00040
    00041       virtual void
    00042       sum(const Node<M_, W_>* left_, const Node<M_, W_>* right_);
    00043
    00044       virtual void
    00045       star(const Node<M_, W_>* node);
    00046
    00047       virtual void
    00048       left_weight(const W_&, const Node<M_, W_>* node);
    00049
    00050       virtual void
    00051       right_weight(const W_&, const Node<M_, W_>* node);
    00052
    00053       virtual void
    00054       constant(const M_& m);
    00055
    00056       virtual void zero();
    00057
    00058       virtual void one();
    00059
    00060       size_t get() const;
    00061
    00062     protected:
    00063       size_t            d;
    00064     };
    00065
    00066   } // rat
    00067
    00068 } // vcsn
    00069
    00070 # if !defined VCSN_USE_INTERFACE_ONLY || defined VCSN_USE_LIB
    00071 #  include <vaucanson/algebra/implementation/series/rat/depth_visitor.hxx>
    00072 # endif // VCSN_USE_INTERFACE_ONLY
    00073
    00074 #endif // ! VCSN_ALGEBRA_IMPLEMENTATION_SERIES_RAT_DEPTH_VISITOR_HH