class.ilXMLResultSetWriter.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. |
   +-----------------------------------------------------------------------------+
  */


include_once "./classes/class.ilXmlWriter.php";

class ilXMLResultSetWriter extends ilXmlWriter
{
        var $xmlResultSet;

        function ilXMLResultSetWriter(& $xmlResultSet)
        {
                parent::ilXmlWriter();
                $this->xmlResultSet = $xmlResultSet;
        }


        function start()
        {
                if(!is_object($this->xmlResultSet))
                {
                        return false;
                }

                $this->__buildHeader();

                $this->__buildColSpecs();

                $this->__buildRows();

                $this->__buildFooter();

                return true;
        }

        function getXML()
        {
                return $this->xmlDumpMem(FALSE);
        }


        // PRIVATE
        function __appendRow(& $xmlResultSetRow)
        {
                $this->xmlStartTag('row',null);

                foreach ($xmlResultSetRow->getColumns() as $value)
                {
                        $this->xmlElement('column',null,$value);

                }

                $this->xmlEndTag('row');

        }


        function __buildHeader()
        {
                $this->xmlSetDtdDef("<!DOCTYPE result PUBLIC \"-//ILIAS//DTD XMLResultSet//EN\" \"".ILIAS_HTTP_PATH."/xml/ilias_xml_resultset_3_7.dtd\">");
                $this->xmlHeader();

                $this->xmlStartTag("result");

                return true;
        }

        function __buildColSpecs() {
                $this->xmlStartTag("colspecs");

                foreach ($this->xmlResultSet->getColSpecs() as $colSpec) {
                        $attr  = array ("idx" => $colSpec->getIndex(), "name" => $colSpec->getName());

                        $this->xmlElement("colspec", $attr, null);
                }

                $this->xmlEndTag("colspecs");
        }

        function __buildRows () {
                $this->xmlStartTag("rows");

                foreach($this->xmlResultSet->getRows() as $row)
                {
                        $this->__appendRow($row);
                }

                $this->xmlEndTag("rows");
        }

        function __buildFooter()
        {
                $this->xmlEndTag('result');
        }



}


?>