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 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 # ifndef VCSN_USE_INTERFACE_ONLY
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

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