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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. |
+-----------------------------------------------------------------------------+
*/
/**
* Object XML Parser
*
* @author Stefan Meyer <meyer@leifos.com>
* @version $Id$
*
* @extends ilSaxParser
*/
//include_once './Services/Xml/classes/class.ilSaxParser.php';
//include_once('./webservice/soap/classes/class.ilObjectXMLException.php');
class ilObjectXMLParser extends ilSaxParser
{
var $object_data = array();
private $ref_id;
private $parent_id;
/**
* 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 = '', $throwException = false)
{
parent::__construct('', $throwException);
$this->setXMLContent($a_xml_data);
}
function getObjectData()
{
return $this->object_data ? $this->object_data : array();
}
/**
* parse xml file
*
* @access private
* @throws ilSaxParserException
* @throws ilObjectXMLException
*/
function parse($a_xml_parser,$a_fp = null)
{
parent::parse($a_xml_parser,$a_fp);
}
/**
* set event handlers
*
* @param resource reference to the xml parser
* @access private
*/
function setHandlers($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;
$this->addProperty__('type',$a_attribs['type']);
$this->addProperty__('obj_id',is_numeric($a_attribs['obj_id'])?(int) $a_attribs["obj_id"] : ilUtil::__extractId($a_attribs["obj_id"], IL_INST_ID));
break;
case 'Title':
break;
case 'Description':
break;
case 'Owner':
break;
case 'CreateDate':
break;
case 'LastUpdate':
break;
case 'ImportId':
break;
case 'References':
$this->time_target = array();
$this->ref_id = $a_attribs["ref_id"];
$this->parent_id = $a_attribs['parent_id'];
$this->operations = array();
break;
case 'TimeTarget':
$this->time_target['timing_type'] = $a_attribs['type'];
break;
case 'Timing':
$this->time_target['timing_visibility'] = $a_attribs['visibility'];
if(isset($a_attribs['starting_time']))
{
$this->time_target['starting_time'] = $a_attribs['starting_time'];
}
if(isset($a_attribs['ending_time']))
{
$this->time_target['ending_time'] = $a_attribs['ending_time'];
}
if($a_attribs['ending_time'] < $a_attribs['starting_time'])
throw new ilObjectXMLException('Starting time must be earlier than ending time.');
break;
case 'Suggestion':
$this->time_target['changeable'] = $a_attribs['changeable'];
if(isset($a_attribs['starting_time']))
{
$this->time_target['suggestion_start'] = $a_attribs['starting_time'];
}
if(isset($a_attribs['ending_time']))
{
$this->time_target['suggestion_end'] = $a_attribs['ending_time'];
}
if(isset($a_attribs['earliest_start']))
{
$this->time_target['earliest_start'] = $a_attribs['earliest_start'];
}
if(isset($a_attribs['latest_end']))
{
$this->time_target['latest_end'] = $a_attribs['latest_end'];
}
if($a_attribs['latest_end'] < $a_attribs['earliest_start'])
throw new ilObjectXMLException('Earliest start time must be earlier than latest ending time.');
if($a_attribs['ending_time'] < $a_attribs['starting_time'])
throw new ilObjectXMLException('Starting time must be earlier than ending time.');
break;
////////////////////////////////////////////
///////////// MODIFIED /////////////////////
////////////////////////////////////////////
case 'Operation':
$this->operations[] = $a_attribs['operations'];
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':
$this->addReference__($this->ref_id,$this->parent_id,$this->time_target);
break;
////////////////////////////////////////////
///////////// MODIFIED /////////////////////
////////////////////////////////////////////
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] = $a_value;
}
/**
* @throws ilObjectXMLException
*/
function addReference__($a_ref_id,$a_parent_id,$a_time_target)
{
$reference['ref_id'] = $a_ref_id;
$reference['parent_id'] = $a_parent_id;
$reference['time_target'] = $a_time_target;
if(isset($reference['time_target']['changeable']) and $reference['time_target']['changeable'])
{
if(!isset($reference['time_target']['earliest_start']) or !isset($reference['time_target']['latest_end']))
{
throw new ilObjectXMLException('Missing attributes: "earliest_start" and "latest_end" required for attribute "changeable"');
}
if(!isset($reference['time_target']['suggestion_start']) or !isset($reference['time_target']['suggestion_end']))
{
throw new ilObjectXMLException('Missing attributes: "starting_time" and "ending_time" required for attribute "changeable"');
}
if(($reference['time_target']['earliest_start'] < $reference['time_target']['suggestion_start']) or
($reference['time_target']['earliest_start'] > $reference['time_target']['suggestion_end']))
{
throw new ilObjectXMLException('Invalid attributes: "earliest_start" must be within "starting_time" and "ending_time"');
}
if(($reference['time_target']['latest_end'] < $reference['time_target']['suggestion_start']) or
($reference['time_target']['latest_end'] > $reference['time_target']['suggestion_end']))
{
throw new ilObjectXMLException('Invalid attributes: "latest_end" must be within "starting_time" and "ending_time"');
}
}
$this->object_data[$this->curr_obj]['references'][] = $reference;
}
////////////////////////////////////////////
///////////// MODIFIED /////////////////////
////////////////////////////////////////////
function addOperation__($a_value)
{
if($a_value)
$this->object_data[$this->curr_obj]['references'][$this->reference_count]["operations"][] = $a_value;
}
////////////////////////////////////////////
}
?>
|
