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# xml_exp_visitor.hh

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    00001 // xml_exp_visitor.hh: this file is part of the Vaucanson project.
    00002 //
    00003 // Vaucanson, a generic library for finite state machines.
    00004 //
    00005 // Copyright (C) 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
    00018 #ifndef VCSN_ALGEBRA_IMPLEMENTATION_SERIES_RAT_XML_EXP_VISITOR_HH
    00019 # define VCSN_ALGEBRA_IMPLEMENTATION_SERIES_RAT_XML_EXP_VISITOR_HH
    00020
    00029 # include <xercesc/dom/DOM.hpp>
    00030 # include <xercesc/util/XMLString.hpp>
    00031 # include <xercesc/util/PlatformUtils.hpp>
    00032 # include <vaucanson/misc/usual_macros.hh>
    00033 # include <string>
    00034 # include <cstddef>
    00035
    00036 # include <vaucanson/algebra/implementation/series/rat/nodes.hh>
    00037
    00038 namespace vcsn {
    00039
    00040   namespace rat {
    00041
    00042     template<typename M_, typename W_>
    00043     class XmlExpVisitor : public ConstNodeVisitor<M_, W_>
    00044     {
    00045     public:
    00046       XmlExpVisitor(xercesc::DOMDocument* doc, const char* node_name);
    00047
    00048       virtual void
    00049       product(const Node<M_, W_>* left_, const Node<M_, W_>* right_);
    00050
    00051       virtual void
    00052       sum(const Node<M_, W_>* left_, const Node<M_, W_>* right_);
    00053
    00054       virtual void
    00055       star(const Node<M_, W_>* node);
    00056
    00057       virtual void
    00058       left_weight(const W_&, const Node<M_, W_>* node);
    00059
    00060       virtual void
    00061       right_weight(const W_&, const Node<M_, W_>* node);
    00062
    00063       virtual void
    00064       constant(const M_& m);
    00065
    00066       virtual void zero();
    00067
    00068       virtual void one();
    00069
    00070       xercesc::DOMElement* get() const;
    00071
    00072       xercesc::DOMDocument* set(xercesc::DOMDocument* v);
    00073
    00074     protected:
    00075       void sum_or_product(const Node<M_, W_>* left_, const Node<M_, W_>* right_);
    00076       void weight_or_star(const Node<M_, W_>* node);
    00077
    00078     protected:
    00079       xercesc::DOMDocument*     doc_;
    00080       xercesc::DOMElement*      label_;
    00081       xercesc::DOMElement*      current_;
    00082       std::string               weight_;
    00083     };
    00084
    00085   } // rat
    00086
    00087 } // vcsn
    00088
    00089 # if !defined VCSN_USE_INTERFACE_ONLY || defined VCSN_USE_LIB
    00090 #  include <vaucanson/algebra/implementation/series/rat/xml_exp_visitor.hxx>
    00091 # endif // VCSN_USE_INTERFACE_ONLY
    00092
    00093 #endif // ! VCSN_ALGEBRA_IMPLEMENTATION_SERIES_RAT_XML_EXP_VISITOR_HH