Merge branch 'main' into issue-3911issue-3911

1 files changed, 236 insertions, 0 deletions

diff --git a/lib/elearning/Ilias3ObjectXMLParser.php b/lib/elearning/Ilias3ObjectXMLParser.php
new file mode 100644
index 0000000..172ca2a
--- /dev/null
+++ b/lib/elearning/Ilias3ObjectXMLParser.php
@@ -0,0 +1,236 @@
+<?php
+# Lifter002: TODO
+# Lifter007: TODO
+# Lifter003: TODO
+# Lifter010: TODO
+/*
+    +-----------------------------------------------------------------------------+
+    | 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. |
+    +-----------------------------------------------------------------------------+
+*/
+
+
+/**
+* Object XML Parser
+*
+* @author Stefan Meyer <smeyer@databay.de>
+*
+* @extends ilSaxParser
+* @package common
+*/
+
+class Ilias3ObjectXMLParser extends Ilias3SaxParser
+{
+    var $object_data = [];
+    var $curr_obj;
+    var $reference_count;
+    var $cdata = '';
+
+    /**
+     * Constructor
+     *
+     * @param object $a_content_object           must be of type ilObjContentObject
+     *                                           ilObjTest or ilObjQuestionPool
+     * @param string $a_xml_file                 xml data
+     * @param string $a_subdir                   subdirectory in import directory
+     *
+     * @access   public
+     */
+    function __construct($a_xml_data = '')
+    {
+        parent::__construct();
+        $this->setXMLContent($a_xml_data);
+    }
+
+    function getObjectData()
+    {
+        return $this->object_data ? $this->object_data : [];
+    }
+
+    /**
+     * set event handlers
+     *
+     * @param resource    reference to the xml parser
+     *
+     * @access   private
+     */
+    function setHandlers($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');
+    }
+
+
+    /**
+     * handler for begin of element
+     *
+     * @param resource $a_xml_parser xml parser
+     * @param string   $a_name       element name
+     * @param array    $a_attribs    element attributes array
+     */
+    function handlerBeginTag($a_xml_parser, $a_name, $a_attribs)
+    {
+
+        switch ($a_name) {
+            case 'Objects':
+                $this->curr_obj = -1;
+                break;
+
+            case 'Object':
+                ++$this->curr_obj;
+                $this->reference_count = -1;
+
+                $this->addProperty__('type', $a_attribs['type']);
+                $this->addProperty__('obj_id', $a_attribs['obj_id']);
+                break;
+
+            case 'Title':
+                break;
+
+            case 'Description':
+                break;
+
+            case 'Owner':
+                break;
+
+            case 'CreateDate':
+                break;
+
+            case 'LastUpdate':
+                break;
+
+            case 'ImportId':
+                break;
+
+            case 'References':
+                ++$this->reference_count;
+                $this->addReference__($a_attribs['ref_id'], $a_attribs['accessInfo']);
+                break;
+
+            case 'Operation':
+                break;
+        }
+    }
+
+
+    /**
+     * handler for end of element
+     *
+     * @param resource $a_xml_parser xml parser
+     * @param string   $a_name       element name
+     */
+    function handlerEndTag($a_xml_parser, $a_name)
+    {
+        switch ($a_name) {
+            case 'Objects':
+                break;
+
+            case 'Object':
+                break;
+
+            case 'Title':
+                $this->addProperty__('title', trim($this->cdata));
+                break;
+
+            case 'Description':
+                $this->addProperty__('description', trim($this->cdata));
+                break;
+
+            case 'Owner':
+                $this->addProperty__('owner', trim($this->cdata));
+                break;
+
+            case 'CreateDate':
+                $this->addProperty__('create_date', trim($this->cdata));
+                break;
+
+            case 'LastUpdate':
+                $this->addProperty__('last_update', trim($this->cdata));
+                break;
+
+            case 'ImportId':
+                $this->addProperty__('import_id', trim($this->cdata));
+                break;
+
+            case 'References':
+                $this->addReference__(trim($this->cdata));
+                break;
+
+            case 'Operation':
+                $this->addOperation__(trim($this->cdata));
+                break;
+        }
+
+        $this->cdata = '';
+
+        return;
+    }
+
+    /**
+     * handler for character data
+     *
+     * @param resource $a_xml_parser xml parser
+     * @param string   $a_data       character data
+     */
+    function handlerCharacterData($a_xml_parser, $a_data)
+    {
+        if ($a_data != "\n") {
+            // Replace multiple tabs with one space
+            $a_data = preg_replace("/\t+/", " ", $a_data);
+
+            $this->cdata .= $a_data;
+        }
+
+
+    }
+
+    // PRIVATE
+    function addProperty__($a_name, $a_value)
+    {
+        $this->object_data[$this->curr_obj][$a_name] = $a_value;
+        /*/
+            if (is_array($this->object_data[$this->curr_obj][$a_name]))
+                $this->object_data[$this->curr_obj][$a_name][] = $a_value;
+            elseif ($this->object_data[$this->curr_obj][$a_name] != "")
+            {
+                $old_value = $this->object_data[$this->curr_obj][$a_name];
+                $this->object_data[$this->curr_obj][$a_name] = array($old_value);
+                $this->object_data[$this->curr_obj][$a_name][] = $a_value;
+            }
+            else
+                $this->object_data[$this->curr_obj][$a_name] = $a_value;
+            /**/
+    }
+
+    function addReference__($a_value, $a_accessinfo = "")
+    {
+        if ($a_value) {
+            $this->object_data[$this->curr_obj]['references'][$this->reference_count]["ref_id"] = $a_value;
+            $this->object_data[$this->curr_obj]['references'][$this->reference_count]["accessInfo"] = $a_accessinfo;
+        }
+    }
+
+    function addOperation__($a_value)
+    {
+        if ($a_value) {
+            $this->object_data[$this->curr_obj]['references'][$this->reference_count]["operations"][] = $a_value;
+        }
+    }
+}