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# star_height_visitor.hxx

    00001 // star_height_visitor.hxx: this file is part of the Vaucanson project.
    00002 //
    00003 // Vaucanson, a generic library for finite state machines.
    00004 //
    00005 // Copyright (C) 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_STAR_HEIGHT_VISITOR_HXX
    00018 # define VCSN_ALGEBRA_IMPLEMENTATION_SERIES_RAT_STAR_HEIGHT_VISITOR_HXX
    00019
    00020 # include <algorithm>
    00021
    00022 # include <vaucanson/algebra/implementation/series/rat/star_height_visitor.hh>
    00023
    00024 namespace vcsn {
    00025
    00026   namespace rat {
    00027
    00028     template<typename M_, typename W_>
    00029     void
    00030     StarHeightVisitor<M_,W_>::sum_or_product(const Node<M_, W_>* left_,
    00031                                              const Node<M_, W_>* right_)
    00032     {
    00033       size_t post = h_;
    00034       left_->accept(*this);
    00035       size_t left_height = h_;
    00036       h_ = post;
    00037       right_->accept(*this);
    00038       h_ = std::max(h_, left_height);
    00039     }
    00040
    00041     template<typename M_, typename W_>
    00042     void
    00043     StarHeightVisitor<M_, W_>::weight_or_star(const Node<M_, W_>* node)
    00044     {
    00045       node->accept(*this);
    00046     }
    00047
    00048     template<typename M_, typename W_>
    00049     void
    00050     StarHeightVisitor<M_, W_>::product(const Node<M_, W_>* left_,
    00051                                    const Node<M_, W_>* right_)
    00052     {
    00053       sum_or_product(left_, right_);
    00054     }
    00055
    00056     template<typename M_, typename W_>
    00057     void
    00058     StarHeightVisitor<M_, W_>::sum(const Node<M_, W_>* left_,
    00059                               const Node<M_, W_>* right_)
    00060     {
    00061       sum_or_product(left_, right_);
    00062     }
    00063
    00064     template<typename M_, typename W_>
    00065     void
    00066     StarHeightVisitor<M_, W_>::star(const Node<M_, W_>* node)
    00067     {
    00068       h_++;
    00069       node->accept(*this);
    00070     }
    00071
    00072     template<typename M_, typename W_>
    00073     void
    00074     StarHeightVisitor<M_, W_>::left_weight(const W_&, const Node<M_, W_>* node)
    00075     {
    00076       weight_or_star(node);
    00077     }
    00078
    00079     template<typename M_, typename W_>
    00080     void
    00081     StarHeightVisitor<M_, W_>::right_weight(const W_&, const Node<M_, W_>* node)
    00082     {
    00083       weight_or_star(node);
    00084     }
    00085
    00086     template<typename M_, typename W_>
    00087     void
    00088     StarHeightVisitor<M_, W_>::constant(const M_&)
    00089     {
    00090     }
    00091
    00092     template<typename M_, typename W_>
    00093     void StarHeightVisitor<M_, W_>::zero()
    00094     {
    00095     }
    00096
    00097     template<typename M_, typename W_>
    00098     void StarHeightVisitor<M_, W_>::one()
    00099     {
    00100     }
    00101
    00102     template<typename M_, typename W_>
    00103     size_t StarHeightVisitor<M_, W_>::get() const
    00104     {
    00105       return h_;
    00106     }
    00107
    00108   } // End of namespace rat.
    00109
    00110 } // End of namespace vcsn.
    00111
    00112
    00113 #endif // ! VCSN_ALGEBRA_IMPLEMENTATION_SERIES_RAT_STAR_HEIGHT_VISITOR_HXX