class.ilObjQuestionPoolXMLParser.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once 'Services/Xml/classes/class.ilSaxParser.php';

class ilObjQuestionPoolXMLParser extends ilSaxParser
{
        private $poolOBJ;
        
        private $inSettingsTag;
        
        private $inMetaDataTag;
        private $inMdGeneralTag;
        private $descriptionProcessed = false;

        public function __construct(ilObjQuestionPool $poolOBJ, $xmlFile)
        {
                $this->poolOBJ = $poolOBJ;
                
                $this->inSettingsTag = false;
                $this->inMetaDataTag = false;
                $this->inMdGeneralTag = false;
                
                return parent::__construct($xmlFile);
        }
        
        public function setHandlers($xmlParser)
        {
                xml_set_object($xmlParser,$this);
                xml_set_element_handler($xmlParser,'handlerBeginTag','handlerEndTag');
                xml_set_character_data_handler($xmlParser,'handlerCharacterData');
        }
        
        public function handlerBeginTag($xmlParser, $tagName, $tagAttributes)
        {
                switch($tagName)
                {
                        case 'MetaData':
                                $this->inMetaDataTag = true;
                                break;
                        
                        case 'General':
                                if($this->inMetaDataTag)
                                {
                                        $this->inMdGeneralTag = true;
                                }
                                break;
                        
                        case 'Description':
                                if($this->inMetaDataTag && $this->inMdGeneralTag)
                                {
                                        $this->cdata = '';
                                }
                                break;
                        
                        case 'Settings':
                                $this->inSettingsTag = true;
                                break;
                        
                        case 'ShowTaxonomies':
                        case 'NavTaxonomy':
                        case 'SkillService':
                                if($this->inSettingsTag)
                                {
                                        $this->cdata = '';
                                }
                                break;
                }
        }

        public function handlerEndTag($xmlParser, $tagName)
        {
                switch($tagName)
                {
                        case 'MetaData':
                                $this->inMetaDataTag = false;
                                break;

                        case 'General':
                                if($this->inMetaDataTag)
                                {
                                        $this->inMdGeneralTag = false;
                                }
                                break;

                        case 'Description':
                                if($this->inMetaDataTag && $this->inMdGeneralTag && !$this->descriptionProcessed)
                                {
                                        $this->poolOBJ->setDescription($this->cdata);
                                        $this->descriptionProcessed = true;
                                        $this->cdata = '';
                                }
                                break;

                        case 'Settings':
                                $this->inSettingsTag = false;
                                break;

                        case 'ShowTaxonomies':
                                $this->poolOBJ->setShowTaxonomies((bool)$this->cdata);
                                $this->cdata = '';
                                break;
                                
                        case 'NavTaxonomy':
                                $this->poolOBJ->setNavTaxonomyId((int)$this->cdata);
                                $this->cdata = '';
                                break;
                        
                        case 'SkillService':
                                $this->poolOBJ->setSkillServiceEnabled((bool)$this->cdata);
                                $this->cdata = '';
                                break;
                }
        }

        public function handlerCharacterData($xmlParser, $charData)
        {
                if( $charData != "\n" )
                {
                        // Replace multiple tabs with one space
                        $charData = preg_replace("/\t+/"," ",$charData);

                        $this->cdata .= $charData;
                }
        }
}