class.ilCategoryImportParser.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. |
        +-----------------------------------------------------------------------------+
*/
 
require_once("./Services/Xml/classes/class.ilSaxParser.php");
 
class ilCategoryImportParser extends ilSaxParser
{
        var $parent;            // current parent ref id
        var $withrol;          // must have value '1' when creating a hierarchy of local roles
 
        protected $cat_log;
 
 
        public function __construct($a_xml_file, $a_parent,$withrol)
        {
                $this->parent_cnt = 0;
                $this->parent[$this->parent_cnt] = $a_parent;
                $this->parent_cnt++;
                $this->withrol = $withrol;
                
                parent::__construct($a_xml_file);
        }
 
 
        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 startParsing()
        {
                parent::startParsing();
        }
 
        function buildTag ($type, $name, $attr="")
        {
                $tag = "<";
 
                if ($type == "end")
                        $tag.= "/";
 
                $tag.= $name;
 
                if (is_array($attr))
                {
                        while (list($k,$v) = each($attr))
                                $tag.= " ".$k."=\"$v\"";
                }
 
                $tag.= ">";
 
                return $tag;
        }
 
        function handlerBeginTag($a_xml_parser, $a_name, $a_attribs)
          
        {
          
          global $rbacadmin, $rbacreview, $rbacsystem;
          
          switch($a_name)
                {
                        case "Category":
                                $cur_parent = $this->parent[$this->parent_cnt - 1];
                                require_once("Modules/Category/classes/class.ilObjCategory.php");
                                $this->category = new ilObjCategory;
                                $this->category->setImportId($a_attribs["Id"]." (#".$cur_parent.")");
                                $this->default_language = $a_attribs["DefaultLanguage"];
                                $this->category->setTitle($a_attribs["Id"]);
                                $this->category->create();
                                $this->category->createReference();
                                $this->category->putInTree($cur_parent);
                                $this->parent[$this->parent_cnt++] = $this->category->getRefId();
                                break;
 
                case "CategorySpec":
                  $this->cur_spec_lang = $a_attribs["Language"];
                  break;
 
                }
 
        }
 
 
        function handlerEndTag($a_xml_parser, $a_name)
        {
                global $ilias, $rbacadmin;
 
                switch($a_name)
                {
                        case "Category":
                                unset($this->category);
                                unset($this->parent[$this->parent_cnt - 1]);
                                $this->parent_cnt--;
                                break;
 
                        case "CategorySpec":
                                $is_def = 0;
                                if ($this->cur_spec_lang == $this->default_language)
                                {
                                        $this->category->setTitle($this->cur_title);
                                        $this->category->setDescription($this->cur_description);
                                        $this->category->update();
                                        $is_def = 1;
                                }
                                $this->category->addTranslation($this->cur_title,
                                        $this->cur_description, $this->cur_spec_lang, $is_def);
                                break;
 
                        case "Title":
                                $this->cur_title = $this->cdata;
                                break;
 
                        case "Description":
                                $this->cur_description = $this->cdata;
                                break;
                }
 
                $this->cdata = "";
        }
 
        function handlerCharacterData($a_xml_parser, $a_data)
        {
                // i don't know why this is necessary, but
                // the parser seems to convert "&gt;" to ">" and "&lt;" to "<"
                // in character data, but we don't want that, because it's the
                // way we mask user html in our content, so we convert back...
                $a_data = str_replace("<","&lt;",$a_data);
                $a_data = str_replace(">","&gt;",$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))
                {
                        $this->cdata .= $a_data;
                }
        }
 
}
?>