parsers.hh

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// parsers.hh: this file is part of the Vaucanson project.
//
// Vaucanson, a generic library for finite state machines.
//
// Copyright (C) 2007, 2008 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_XML_PARSERS_HH
# define VCSN_XML_PARSERS_HH

# include <iostream>

# include <xercesc/sax2/SAX2XMLReader.hpp>

# include <vaucanson/xml/handlers.hh>
# include <vaucanson/xml/xmleq.hh>

namespace vcsn
{
  namespace xml
  {
    /*
     * Parser class dedicated to parse an FSMXML document.
     */
    class Parser
    {
      public:
        Parser (bool check = true);
        virtual ~Parser ();

      protected:
        const std::string&
        get_xsd_path ();

        ErrHandler*                     err_handler_;
        xercesc::SAX2XMLReader*         parser_;
        XMLEq                           eq_;
    };

    /*
     * Parser class dedicated to the parse an automaton.
     */
    template <typename Auto>
    class AutParser : public Parser
    {
      public:
        AutParser (Auto& a, bool check = true);
        virtual ~AutParser ();

        void
        parse (std::istream& in);

      protected:
        DocAutHandler<Auto>*    doc_handler_;
        Auto&                   a_;
    };

    /*
     * Parser class dedicated to the parse a rational expression.
     */
    template <typename T>
    class RegExpParser : public Parser
    {
      public:
        RegExpParser (T& r, bool check = true);
        virtual ~RegExpParser ();

        void
        parse (std::istream& in);

      protected:
        DocRegExpHandler<T>*    doc_handler_;
        T&                      r_;
    };
  } // !xml
} // !vcsn

# if !defined VCSN_USE_INTERFACE_ONLY || defined VCSN_USE_LIB
# include <vaucanson/xml/parsers.hxx>
# endif // VCSN_USE_INTERFACE_ONLY

#endif // !VCSN_XML_PARSERS_HH