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<?
# Lifter002: TODO
# Lifter007: TODO
# Lifter003: TODO
# Lifter010: TODO
/**
* Export-Subfile that calls the XSLT-Process.
*
* This file calls the XSLT-Process to convert XML-Files into other file-formats.
*
* @author Arne Schroeder <schroeder@data.quest.de>
* @access public
* @modulegroup export_modules
* @module export_run_xslt
* @package Export
*/
// +---------------------------------------------------------------------------+
// This file is part of Stud.IP
// export_run_xslt.inc.php
// Integration of xslt-processor
//
// Copyright (c) 2002 Arne Schroeder <schroeder@data-quest.de>
// Suchi & Berg GmbH <info@data-quest.de>
// +---------------------------------------------------------------------------+
// 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 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.
// +---------------------------------------------------------------------------+
use Studip\Button, Studip\LinkButton;
if (($o_mode != "direct") AND ($o_mode != "passthrough"))
$perm->check("tutor");
require_once ('lib/export/export_xslt_vars.inc.php'); // Liste der XSLT-Skripts
/**
* Checks given parameters
*
* This function checks the given parameters. If some are missing
* it returns false and adds a warning to $export_error.
*
* @access public
* @return boolean
*/
function CheckParamRUN()
{
global $ex_type, $o_mode, $xml_file_id, $format, $choose, $xslt_files, $export_error, $export_error_num, $export_o_modes, $export_ex_types;
if (($xml_file_id == "")
OR ($xslt_files[$choose]["file"] == "")
OR (Config::get()->XSLT_ENABLE != true))
{
$export_error .= "<b>" . _("Fehlende Parameter!") . "</b><br>";
$export_error_num++;
return false;
}
if (!in_array($ex_type, $export_ex_types)
OR (!in_array($o_mode, $export_o_modes))
OR (!$xslt_files[$choose][$format]))
{
$export_error .= "<b>" . _("Unzulässiger Seitenaufruf!") . "</b><br>";
$export_error_num++;
return false;
}
return true;
}
/**
* Convert all 2, 3 and 4 byte UTF-8 characters to the RTF unicode sequence \uX
*
* @param string $utf8_text rft document
* @return string converted document
*/
function encode_utf8_for_rtf($utf8_text)
{
$utf8_patterns = [
"[\xC0-\xDF][\x80-\xBF]",
"[\xE0-\xEF][\x80-\xBF]{2}",
"[\xF0-\xF7][\x80-\xBF]{3}",
];
$unicode_text = $utf8_text;
foreach($utf8_patterns as $pattern) {
$unicode_text = preg_replace_callback("/$pattern/",
function($treffer) {
return '\u'. hexdec(bin2hex(mb_convert_encoding($treffer[0], 'UCS-4', 'UTF-8'))).'?';
},
$unicode_text);
}
return $unicode_text;
}
$export_pagename = _("Download der Ausgabedatei");
$xslt_process = false;
$xslt_filename = Request::get('xslt_filename', $xslt_filename_default);
if (!CheckParamRUN()) {
PageLayout::postError(
_('Die Parameter, mit denen diese Seite aufgerufen wurde, sind fehlerhaft.')
);
} else {
// Process the document
$result_file = md5(uniqid(rand())) . "." . $format;
$result = "" . $TMP_PATH . "/" . $result_file;
$xml_process_file = "" . $TMP_PATH . "/" . $xml_file_id;
$xslt_process_file = $GLOBALS['STUDIP_BASE_PATH'] . '/lib/export/' . $xslt_files[$choose]["file"];
$xh = new XSLTProcessor();
$xml_doc = new DOMDocument();
$xml_doc->load($xml_process_file);
$xsl_doc = new DOMDocument();
$xsl_doc->load($xslt_process_file);
$xh->importStylesheet($xsl_doc);
$result_doc = $xh->transformToXML($xml_doc);
if ($result_doc) {
$processed = true;
// if the output format is rtf, convert utf-8 chars to rtf escape sequences
if ($format == 'rtf') {
$result_doc = encode_utf8_for_rtf($result_doc);
}
file_put_contents($result, $result_doc);
} else {
$xh = libxml_get_last_error();
}
if ( $processed && ($o_mode != "passthrough")) {
$export_msg .= sprintf(_("Die Daten wurden erfolgreich konvertiert. %s Sie können die Ausgabedatei jetzt herunterladen. %s"), "<br>", "<br>");
$xslt_info = _("Die Daten sind nun im gewählten Format verfügbar.");
$xslt_process = true;
$link1 = "<a href=\"" . $TMP_PATH . "/" . $result_file . "\">";
$link2 = '<a href="'. FileManager::getDownloadLinkForTemporaryFile($result_file, $xslt_filename .'.'. $format) . '">';
} elseif ($o_mode != "passthrough") {
if ($xh) $export_error .= sprintf(_("Bei der Konvertierung ist ein Fehler aufgetreten. %sDer XSLT-Prozessor meldet den Fehler %s %s"), "<br>", $xh->code, "<br>");
$xslt_info = _("Bei der Konvertierung ist ein Fehler aufgetreten.");
$xslt_process = false;
$export_error_num++;
}
if ($o_mode == "passthrough")
{
header("Location: " . FileManager::getDownloadURLForTemporaryFile($result_file, $xslt_filename .'.'. $format));
unlink( $TMP_PATH . "/" . $xml_file_id);
} else {
$export_weiter_button = "<form method=\"POST\" action=\"" . URLHelper::getURL() . "\">";
$export_weiter_button .= CSRFProtection::tokenTag();
$export_weiter_button .= "<input type=\"hidden\" name=\"page\" value=\"4\">";
$export_weiter_button .= "<input type=\"hidden\" name=\"choose\" value=\"" . htmlReady($choose) . "\">";
$export_weiter_button .= "<input type=\"hidden\" name=\"format\" value=\"" . htmlReady($format) . "\">";
$export_weiter_button .= "<input type=\"hidden\" name=\"o_mode\" value=\"" . htmlReady($o_mode) . "\">";
$export_weiter_button .= "<input type=\"hidden\" name=\"ex_type\" value=\"" . htmlReady($ex_type) . "\">";
$export_pagecontent .= "<input type=\"hidden\" name=\"ex_sem\" value=\"" . htmlReady($ex_sem) . "\">";
foreach(array_keys($ex_sem_class) as $semclassid){
$export_pagecontent .= "<input type=\"hidden\" name=\"ex_sem_class[". htmlReady($semclassid) ."]\" value=\"1\">";
}
$export_weiter_button .= "<input type=\"hidden\" name=\"range_id\" value=\"" . htmlReady($range_id) . "\">";
$export_weiter_button .= "<input type=\"hidden\" name=\"xml_file_id\" value=\"" . htmlReady($xml_file_id) . "\">";
$export_weiter_button .= "<input type=\"hidden\" name=\"xslt_filename\" value=\"" . htmlReady($xslt_filename) . "\">";
if (Request::option('jump'))
$export_weiter_button .= '<center>' . LinkButton::create('<< ' . _('Zurück'), URLHelper::getURL('seminar_main.php', ['auswahl' => $range_id, 'redirect_to' => $jump])) . "<br>";
else
$export_weiter_button .= "<center>" . Button::create('<< ' . _('Zurück'), 'back') . "<br>";
$export_weiter_button .= "</center></form>";
if ($xslt_process) {
$export_pagecontent .= "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\"><tr><td width=\"40%\">";
$export_pagecontent .= " <b>" . _("Ausgabe-Datei: ") . "</b>";
$export_pagecontent .= "</td><td>" . $link2 . htmlReady($xslt_filename) . "." . htmlReady($format) . "</a>";
$export_pagecontent .= "</td></tr></table></center><br>";
}
$xml_printimage = ' <a href="' . FileManager::getDownloadLinkForTemporaryFile($xml_file_id, $xml_filename) . '" target="_blank">';
$xml_printimage.= Icon::create($export_icon['xml'], 'clickable')->asImg(['class' => 'text-top']);
$xml_printimage.= '</a>';
$xml_printlink = ' <a href="'. FileManager::getDownloadLinkForTemporaryFile($xml_file_id, $xml_filename) . '" class="tree">' . htmlReady($xml_filename) . '</a>';
$xml_printdesc = _("XML-Daten");
$xml_printcontent = _("In dieser Datei sind die Daten als XML-Tags gespeichert. Diese Tags können mit einem XSLT-Script verarbeitet werden.") . '<br>';
$xslt_printimage = ' <a href="'. FileManager::getDownloadLinkForTemporaryFile($xslt_files[$choose]['file'], $xslt_files[$choose]['name'].'.xsl') . '">';
$xslt_printimage.= Icon::create($export_icon['xslt'], 'clickable')->asImg(['class' => 'text-top']);
$xslt_printimage.= '</a>';
$xslt_printlink = ' <a href="' . FileManager::getDownloadLinkForTemporaryFile($xslt_files[$choose]['file'], $xslt_files[$choose]['name'].'.xsl') . '" class="tree"> ' . $xslt_files[$choose]['name'] . '.xsl</a>';
$xslt_printdesc = _("XSLT-Datei");
$xslt_printcontent = _("Dies ist das XSLT-Script zur Konvertierung der Daten. Klicken Sie auf den Dateinamen, um die Datei zu öffnen.") . '<br>';
if ($xslt_process) {
$result_printimage = '<a href="'. FileManager::getDownloadLinkForTemporaryFile($result_file, $xslt_filename .'.'. $format) . '">';
$result_printimage.= Icon::create($export_icon[$format], 'clickable')->asImg(['class' => 'text-top']);
$result_printimage.= '</a>';
$result_printlink = '<a href="'. FileManager::getDownloadLinkForTemporaryFile($result_file, $xslt_filename .'.'. $format) . '" class="tree"> ' . htmlReady($xslt_filename) . '.' . htmlReady($format) . '</a>';
$result_printdesc = _("Ausgabe-Datei");
$result_printcontent = _("Dies ist die fertige Ausgabedatei.") . "<br>";
}
include_once ("lib/export/oscar.php");
}
}
|
