parser_strategy.h

/***************************************************************************
 *   Copyright (C) 2004-2006 by Radko Mihal                                *
 *   rmihal@pobox.sk                                                       *
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 *   This program 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 this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.              *
 ***************************************************************************/
#ifndef GRAMMAR_TO_PARSERPARSER_STRATEGY_H
#define GRAMMAR_TO_PARSERPARSER_STRATEGY_H

#include <list>

namespace grammar_to_parser {


template< typename E > class basic_parser;

template< typename E >
class basic_parser_strategy
{
public:
typedef grammar_to_parser::basic_parser<E> parser;
typedef std::list< parser * > parser_list;

    basic_parser_strategy()
        {};
    ~basic_parser_strategy()
        {};
        
        virtual bool parse_all( typename parser_list::iterator first,
                                                        typename parser_list::iterator last,
                                                        const E *buf,
                                                        const unsigned long buf_length,
                                                        unsigned long &parsed_size ) = 0;
        virtual bool parse_choice( typename parser_list::iterator first,
                                                        typename parser_list::iterator last,
                                                        const E *buf,
                                                        const unsigned long buf_length,
                                                        unsigned long &parsed_size ) = 0;

};

typedef basic_parser_strategy<char> parser_strategy;
typedef basic_parser_strategy<wchar_t> wparser_strategy;

};

#endif

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