ExcelIndexer.php
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<?php
/**
* $Id$
*
* The contents of this file are subject to the KnowledgeTree Public
* License Version 1.1 ("License"); You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.knowledgetree.com/KPL
*
* Software distributed under the License is distributed on an "AS IS"
* basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is: KnowledgeTree Open Source
*
* The Initial Developer of the Original Code is The Jam Warehouse Software
* (Pty) Ltd, trading as KnowledgeTree.
* Portions created by The Jam Warehouse Software (Pty) Ltd are Copyright
* (C) 2007 The Jam Warehouse Software (Pty) Ltd;
* All Rights Reserved.
*
*/
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("-d", "UTF-8", "-q", "0", "-c", " ");
var $use_pipes = true;
// see BaseIndexer for how the extraction works.
//
function extract_contents($sFilename, $sTempFilename) {
if (!OS_WINDOWS) {
putenv('LANG=en_US.UTF-8');
$res = parent::extract_contents($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);
}
}
?>