silverstripe-textextraction/code/extractors/PDFTextExtractor.php

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2012-08-22 17:52:08 +02:00
<?php
/**
* Text extractor that calls pdftotext to do the conversion.
* @author mstephens
*
*/
class PDFTextExtractor extends FileTextExtractor {
function supportedExtensions() {
return array("pdf");
}
/**
* Accessor to get the location of the binary
* @param $prog
* @return unknown_type
*/
function bin($prog='') {
if ($this->stat('binary_location')) $path = $this->stat('binary_location'); // By static from _config.php
elseif (file_exists('/usr/bin/pdftotext')) $path = '/usr/bin'; // By searching common directories
elseif (file_exists('/usr/local/bin/pdftotext')) $path = '/usr/local/bin';
else $path = '.'; // Hope it's in path
return ( $path ? $path . '/' : '' ) . $prog;
}
function getContent($file) {
$filename = Director::baseFolder() . "/" . $file->Filename;
if (!$filename) return ""; // no file
$content = `{$this->bin('pdftotext')} "$filename" -`;
return $content;
}
}
?>