class.ilXML2FO.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. |
        +-----------------------------------------------------------------------------+
*/


class ilXML2FO
{
        var $xslt = null;
        var $xml = null;
        var $fo_string = null;

        var $xslt_handler = null;
        var $xslt_args = null;
        var $xslt_params = null;
        function ilXML2FO()
        {

        }

        function setXMLString($a_xml)
        {
                $this->xml = $a_xml;
        }
        function getXMLString()
        {
                return $this->xml;
        }
        function setXSLTLocation($xslt_location)
        {
                $this->xslt = $xslt_location;
        }
        function getXSLTLocation()
        {
                return $this->xslt;
        }
        function getFOString()
        {
                return $this->fo_string;
        }
        function setXSLTParams($params)
        {
                $this->xslt_params = $params;
        }
        function getXSLTParams()
        {
                return $this->xslt_params;
        }
        function transform()
        {
                global $ilLog;

                $this->__init();

                $this->fo_string = @xslt_process($this->xslt_handler,
                                                                                "arg:/_xml",
                                                                                "arg:/_xsl",
                                                                                null,
                                                                                $this->xslt_args,
                                                                                $this->xslt_params);


                if(strlen($error_msg = xslt_error($this->xslt_handler)))
                {
                        $ilLog->write("Error generating pdf: ".$error_msg);
                        return false;
                }

                xslt_free($this->xslt_handler);

                return true;
        }

        // Private
        function __init()
        {

                #domxml_open_mem($this->getXMLString(), DOMXML_LOAD_VALIDATING, $error);
                #if($error)
                #{
                #       var_dump("<pre>","XML ERROR: ".$error,htmlentities($this->getXMLString()),"<pre>");
                #}

                $this->xslt_handler = xslt_create();
                $this->xslt_args = array('/_xml' => $this->getXMLString(),
                                                                 '/_xsl' => file_get_contents($this->getXSLTLocation()));

                return true;
        }
                
                

        
}
?>