setup/classes/class.ilModuleReader.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
        |                                                                             |
        | 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

class ilModuleReader extends ilSaxParser
{

        function ilModuleReader()
        {
                $this->executed = false;
                parent::ilSaxParser(ILIAS_ABSOLUTE_PATH."/modules.xml");
        }
        
        function getModules()
        {
                if (!$this->executed)
                {
                        $this->clearTables();
                        $this->startParsing();
                        $this->executed = true;
                }
        }

        
        function setHandlers($a_xml_parser)
        {
                xml_set_object($a_xml_parser,$this);
                xml_set_element_handler($a_xml_parser,'handlerBeginTag','handlerEndTag');
                xml_set_character_data_handler($a_xml_parser,'handlerCharacterData');
        }


        function clearTables()
        {
                global $ilDB;

                $q = "DELETE FROM module";;
                $ilDB->query($q);

                $q = "DELETE FROM module_class";;
                $ilDB->query($q);

        }


        function handlerBeginTag($a_xml_parser,$a_name,$a_attribs)
        {
                global $ilDB;

                $this->current_tag = $a_name;
                
                switch ($a_name)
                {
                        case 'module':
                                $this->current_module = $a_attribs["name"];
                                $q = "INSERT INTO module (name, dir) VALUES ".
                                        "(".$ilDB->quote($a_attribs["name"]).",".
                                        $ilDB->quote($a_attribs["dir"]).")";
                                $ilDB->query($q);
                                break;
                                
                        case 'baseclass':
                                $q = "INSERT INTO module_class (module, class, dir) VALUES ".
                                        "(".$ilDB->quote($this->current_module).",".
                                        $ilDB->quote($a_attribs["name"]).",".
                                        $ilDB->quote($a_attribs["dir"]).")";
                                $ilDB->query($q);
                                break;
                                
                }
        }
                        
        function handlerEndTag($a_xml_parser,$a_name)
        {
        }

                        
        function handlerCharacterData($a_xml_parser,$a_data)
        {
                // DELETE WHITESPACES AND NEWLINES OF CHARACTER DATA
                $a_data = preg_replace("/\n/","",$a_data);
                $a_data = preg_replace("/\t+/","",$a_data);

                if (!empty($a_data))
                {
                        switch ($this->current_tag)
                        {
                                case '':
                        }
                }
        }

}