ExcelIndexer.php
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<?php
/**
* $Id$
*
* Copyright (c) 2006 Jam Warehouse http://www.jamwarehouse.com
*
* 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; using version 2 of the License.
*
* 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
*
* -------------------------------------------------------------------------
*
* You can contact the copyright owner regarding licensing via the contact
* details that can be found on the KnowledgeTree web site:
*
* http://www.ktdms.com/
*/
require_once(KT_DIR . '/plugins/ktstandard/contents/BaseIndexer.php');
class KTExcelIndexerTrigger extends KTBaseIndexerTrigger {
var $mimetypes = array(
'application/vnd.ms-excel' => true,
);
var $command = 'xls2csv'; // could be any application.
var $commandconfig = 'indexer/xls2csv'; // could be any application.
var $args = array("-q", "0", "-c", " ");
var $use_pipes = true;
// see BaseIndexer for how the extraction works.
//
function extract_contents($sFilename, $sTempFilename) {
$res = parent::extract_contents($sFilename, $sTempFilename);
if (!empty($res)) {
return $res;
}
return $this->_fallbackExcelReader($sFilename, $sTempFilename);
}
function _fallbackExcelReader($sFilename, $sTempFilename) {
require_once(KT_DIR . '/thirdparty/excelreader/Excel/reader.php');
$reader = new Spreadsheet_Excel_Reader();
$reader->setOutputEncoding('UTF-8');
$reader->read($sFilename);
$t = fopen($sTempFilename, "w");
foreach ($reader->sheets as $aSheet) {
for ($i = 1; $i <= $aSheet['numRows']; $i++) {
for ($j = 1; $j <= $aSheet['numCols']; $j++) {
fwrite($t, $aSheet['cells'][$i][$j] . " ");
}
fwrite($t, "\n");
}
fwrite($t, "\n\n\n");
}
fclose($t);
return file_get_contents($sTempFilename);
}
}
?>