class.ilDataSetImportParser.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once("./Services/Xml/classes/class.ilSaxParser.php");

class ilDataSetImportParser extends ilSaxParser
{
        protected $import = null;                               // import object
        protected $entities = array();                  // types array
        protected $current_entity = "";                 // current entity
        protected $current_version = "";                // current version
        protected $current_ftypes = array();    // current field types
        protected $entities_sent = false;               // sent entities to import class?
        protected $in_record = false;                   // are we currently in a rec tag?
        protected $current_field = "";                  // current field
        protected $current_field_values = array();      // current field values
        protected $current_installation_id = "";
        
        
        function __construct($a_top_entity, $a_schema_version, $a_xml, $a_ds, $a_mapping)
        {
                $this->ds = $a_ds;
                $this->mapping = $a_mapping;
                $this->top_entity = $a_top_entity;
                $this->schema_version = $a_schema_version;
                $this->dspref = ($this->ds->getDSPrefix() != "")
                        ? $this->ds->getDSPrefix().":"
                        : "";
                
                parent::ilSaxParser();
                $this->setXMLContent($a_xml);
                $this->startParsing();


        }

        function getCurrentInstallationId()
        {
                return $this->current_installation_id;
        }

                
        function setHandlers($a_xml_parser)
        {
                xml_set_object($a_xml_parser,$this);
                xml_set_element_handler($a_xml_parser, 'handleBeginTag', 'handleEndTag');
                xml_set_character_data_handler($a_xml_parser, 'handleCharacterData');
        }

        
        function startParsing()
        {
                parent::startParsing();
        }
        
        function handleBeginTag($a_xml_parser, $a_name, $a_attribs)
        {
                switch ($a_name)
                {
                        case $this->dspref."DataSet":
//                              $this->import->initDataset($this->ds_component, $a_attribs["top_entity"]);
                                $this->current_installation_id = $a_attribs["InstallationId"];
                                $this->ds->setCurrentInstallationId($a_attribs["InstallationId"]);
                                break;
                                
                        case $this->dspref."Types":
                                $this->current_entity = $a_attribs["Entity"];
                                $this->current_version = $a_attribs["Version"];
                                break;
                                
                        case $this->dspref."FieldType":
                                $this->current_ftypes[$a_attribs["Name"]] =
                                        $a_attribs["Type"];
                                break;
                                
                        case $this->dspref."Rec":
                                $this->current_entity = $a_attribs["Entity"];
                                $this->in_record = true;
                                $this->current_field_values = array();
                                break;
                                
                        default:
                                if ($this->in_record)
                                {
                                        $field = explode(":", $a_name);         // remove namespace
                                        $field = $field[count($field) - 1];
                                        $this->current_field = $field;
                                }
                }
        }
        
        function handleEndTag($a_xml_parser, $a_name)
        {
                switch ($a_name)
                {
                        case $this->dspref."Types":
                                $this->entities[$this->current_entity] =
                                        array(
                                                "version" => $this->current_version,
                                                "types" => $this->current_ftypes 
                                                );
                                $this->current_ftypes = array();
                                $this->current_entity = "";
                                $this->current_version = "";
                                break;
                                
                        case $this->dspref."Rec":
                                $this->ds->importRecord($this->current_entity,
                                        $this->entities[$this->current_entity]["types"],
                                        $this->current_field_values,
                                        $this->mapping,
                                        $this->schema_version);
                                $this->in_record = false;
                                $this->current_entity = "";
                                $this->current_field_values = array();
                                break;
                                
                        default:
                                if ($this->in_record && $this->current_field != "")
                                {
                                        $this->current_field_values[$this->current_field] = 
                                                $this->chr_data;
                                }
                                $this->current_field = "";
                                break;
                }
                
                $this->chr_data = "";
        }
        
        function handleCharacterData($a_xml_parser,$a_data)
        {
                //$a_data = str_replace("<","&lt;",$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);

                $this->chr_data .= $a_data;
        }
        
}
?>