xml_exp_visitor.hxx

// xml_exp_visitor.hxx: this file is part of the Vaucanson project.
//
// Vaucanson, a generic library for finite state machines.
//
// Copyright (C) 2006 The Vaucanson Group.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// The complete GNU General Public Licence Notice can be found as the
// `COPYING' file in the root directory.
//
// The Vaucanson Group consists of people listed in the `AUTHORS' file.
//
#ifndef VCSN_ALGEBRA_IMPLEMENTATION_SERIES_RAT_XML_EXP_VISITOR_HXX
# define VCSN_ALGEBRA_IMPLEMENTATION_SERIES_RAT_XML_EXP_VISITOR_HXX

# include <vaucanson/algebra/implementation/series/rat/xml_exp_visitor.hh>

# include <algorithm>
# include <sstream>

namespace vcsn {

  namespace rat {

    template<typename M_, typename W_>
    void
    XmlExpVisitor<M_,W_>::sum_or_product(const Node<M_, W_>* left_,
                                         const Node<M_, W_>* right_)
    {
      left_->accept(*this);
      right_->accept(*this);
    }

    template<typename M_, typename W_>
    void
    XmlExpVisitor<M_, W_>::weight_or_star(const Node<M_, W_>* node)
    {
      node->accept(*this);
    }

    template<typename M_, typename W_>
    void
    XmlExpVisitor<M_, W_>::product(const Node<M_, W_>* left_,
                                   const Node<M_, W_>* right_)
    {
      xercesc::DOMElement* tmp = current_;
      current_ = doc_->createElement(STR2XML("product"));
      sum_or_product(left_, right_);
      tmp->appendChild(current_);
      current_ = tmp;
    }

    template<typename M_, typename W_>
    void
    XmlExpVisitor<M_, W_>::sum(const Node<M_, W_>* left_,
                               const Node<M_, W_>* right_)
    {
      xercesc::DOMElement* tmp = current_;
      current_ = doc_->createElement(STR2XML("sum"));
      sum_or_product(left_, right_);
      tmp->appendChild(current_);
      current_ = tmp;
    }

    template<typename M_, typename W_>
    void
    XmlExpVisitor<M_, W_>::star(const Node<M_, W_>* node)
    {
      current_->setAttribute(STR2XML("star"), STR2XML("true"));
      weight_or_star(node);
    }

    template<typename M_, typename W_>
    void
    XmlExpVisitor<M_, W_>::left_weight(const W_& w, const Node<M_, W_>* node)
    {
      std::stringstream ss;
      ss << w;
      current_->setAttribute(STR2XML("weight"), STR2XML(ss.str().c_str()));
      weight_or_star(node);
    }

    template<typename M_, typename W_>
    void
    XmlExpVisitor<M_, W_>::right_weight(const W_& w, const Node<M_, W_>* node)
    {
      std::stringstream ss;
      ss << w;
      current_->setAttribute(STR2XML("weight"), STR2XML(ss.str().c_str()));
      weight_or_star(node);
    }

    template<typename M_, typename W_>
    void
    XmlExpVisitor<M_, W_>::constant(const M_& m)
    {
      std::stringstream ss;
      ss << m;
      xercesc::DOMElement* word = doc_->createElement(STR2XML("word"));
      word->setAttribute(STR2XML("value"), STR2XML(ss.str().c_str()));
      current_->appendChild(word);
    }

    template<typename M_, typename W_>
    void XmlExpVisitor<M_, W_>::zero()
    {
      xercesc::DOMElement* zero = doc_->createElement(STR2XML("zero_val"));
      current_->appendChild(zero);
    }

    template<typename M_, typename W_>
    void XmlExpVisitor<M_, W_>::one()
    {
      xercesc::DOMElement* identity = doc_->createElement(STR2XML("identity_val"));
      current_->appendChild(identity);
    }

    template<typename M_, typename W_>
    xercesc::DOMElement* XmlExpVisitor<M_, W_>::get() const
    {
      return label_;
    }

  } // End of namespace rat.

} // End of namespace vcsn.



#endif // ! VCSN_ALGEBRA_IMPLEMENTATION_SERIES_RAT_XML_EXP_VISITOR_HXX

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