xml_string_attribute_parser.h

/***************************************************************************
 *   Copyright (C) 2005 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.              *
 ***************************************************************************/
#include "string_parser.h"
#include "xml_attribute_parser.h"
 
namespace xml_parser {

template< typename E >
class basic_xml_string_attribute_parser : public basic_xml_attribute_parser<E>
{
public:
typedef typename grammar_to_parser::basic_parser<E>::parser_list parser_list;
typedef typename basic_xml_attribute_parser<E>::use_type use_type;
typedef typename grammar_to_parser::basic_string_parser<E>::string_type string_type;
typedef grammar_to_parser::basic_string_parser<E> str_parser;
typedef std::basic_string<E> std_string;
        
        basic_xml_string_attribute_parser( std::basic_string<E> attribute_name,
                                                use_type a_use_type = REQUIRED,
                                                std_string default_value = std_string(),
                                                string_type a_string_type = str_parser::STRING ) :
                basic_xml_attribute_parser<E>( attribute_name, a_use_type ),
                m_attribute_value( '\"', a_string_type ),
                m_default_value( default_value )
        {};

        virtual void push_parsers( parser_list &l )
        {
                basic_xml_attribute_parser<E>::push_parsers(l);
                l.push_back(&m_comma_left);
                l.push_back(&m_attribute_value);
                l.push_back(&m_comma_right);
        }
        
        use_type get_use_type()
        {
                return m_use_type;
        }

        operator std_string()
        {
                return m_attribute_value.get_valid();
        }
protected:
        grammar_to_parser::basic_terminal<E,'\"'>               m_comma_left;
        grammar_to_parser::basic_string_parser<E>               m_attribute_value;
        grammar_to_parser::basic_terminal<E,'\"'>               m_comma_right;
        
        std_string                                                                              m_default_value;
};

typedef basic_xml_string_attribute_parser<char> xml_string_attribute_parser;
typedef basic_xml_string_attribute_parser<wchar_t> wxml_string_attribute_parser;

};

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