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
{
    protected $rbacadmin;
 
    protected $rbacreview;
 
    protected $rbacsystem;
 
    public $parent;             // current parent ref id
    public $withrol;          // must have value '1' when creating a hierarchy of local roles
 
    protected $cat_log;
 
 
    public function __construct($a_xml_file, $a_parent, $withrol)
    {
        global $DIC;
 
        $this->rbacadmin = $DIC->rbac()->admin();
        $this->rbacreview = $DIC->rbac()->review();
        $this->rbacsystem = $DIC->rbac()->system();
        $this->parent_cnt = 0;
        $this->parent[$this->parent_cnt] = $a_parent;
        $this->parent_cnt++;
        $this->withrol = $withrol;
        
        parent::__construct($a_xml_file);
    }
 
 
    public 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');
    }
 
    public function startParsing()
    {
        parent::startParsing();
    }
 
    public function buildTag($type, $name, $attr = "")
    {
        $tag = "<";
 
        if ($type == "end") {
            $tag .= "/";
        }
 
        $tag .= $name;
 
        if (is_array($attr)) {
            foreach ($attr as $k => $v) {
                $tag .= " " . $k . "=\"$v\"";
            }
        }
 
        $tag .= ">";
 
        return $tag;
    }
 
    public function handlerBeginTag($a_xml_parser, $a_name, $a_attribs)
    {
        $rbacadmin = $this->rbacadmin;
        $rbacreview = $this->rbacreview;
        $rbacsystem = $this->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;
 
        }
    }
 
 
    public function handlerEndTag($a_xml_parser, $a_name)
    {
        switch ($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 = "";
    }
 
    public 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;
        }
    }
}