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parser.hh

/* Parser.h
 *
 * Copyright (C) 2002 Christian Neumann
 *
 * This file is part of Libxmlight
 * 
 * Libxmlight 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.
 *
 * Libxmlight is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with Libxmlight; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __Parser_h
#define __Parser_h

#include <iostream>
#include <string>
#include "attributes.hh"


namespace xmlight {


class TParser {
public:
        TParser() : error_free(1), has_xmldecl(0), has_root_element(0), parsing_tag(0),
                parsing_cdata(0), parsing_comment(0), parsing_dtd(0), data(), last_element(),
                root_element(), dtd_count(0), element_count(0) { }

        virtual ~TParser() { }

        void parse_string(const std::string&);

        int state() { return error_free; }
        void parse_end();
protected:
        virtual void on_start_document() { }

        virtual void on_start_element(const std::string&, const TAttributes&) { }
        virtual void on_end_element(const std::string&) { }
        virtual void on_data(const std::string&) { }
        virtual void on_comment(const std::string&) { }
        virtual void on_warning(const std::string&) { }
        virtual void on_error(const std::string&) { }
        virtual void on_fatal_error(const ::std::string&) { }
        virtual void on_end_document() { }
private:
        void _on_error(const std::string& data) { error_free = false; on_error(data); }


        void parse_tag();

        bool error_free, has_xmldecl, has_root_element, parsing_tag, parsing_cdata, parsing_comment, parsing_dtd;
        std::string data, last_element, root_element;
        long dtd_count, element_count;

};

} // namespace xmlight

#endif // __Parser_h

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