public function getText($page = null, $path = null)
{
try {
$path = $path ? $this->preparePath($path) : $this->path;
$pageRange = "";
try {
// first try to use poppler's pdftotext, because this produces more accurate results than the txtwrite device from ghostscript
if ($page) {
$pageRange = "-f " . $page . " -l " . $page . " ";
}
$text = Console::exec(self::getPdftotextCli() . " " . $pageRange . escapeshellarg($path) . " -", null, 120);
} catch (\Exception $e) {
// pure ghostscript way
if ($page) {
$pageRange = "-dFirstPage=" . $page . " -dLastPage=" . $page . " ";
}
$textFile = PIMCORE_SYSTEM_TEMP_DIRECTORY . "/pdf-text-extract-" . uniqid() . ".txt";
Console::exec(self::getGhostscriptCli() . " -dBATCH -dNOPAUSE -sDEVICE=txtwrite " . $pageRange . "-dTextFormat=2 -sOutputFile=" . $textFile . " " . escapeshellarg($path), null, 120);
if (is_file($textFile)) {
$text = file_get_contents($textFile);
// this is a little bit strange the default option -dTextFormat=3 from ghostscript should return utf-8 but it doesn't
// so we use option 2 which returns UCS-2LE and convert it here back to UTF-8 which works fine
$text = mb_convert_encoding($text, 'UTF-8', 'UCS-2LE');
unlink($textFile);
}
}
return $text;
} catch (\Exception $e) {
Logger::error($e);
return false;
}
} /**
* @param null $page
* @param null $path
* @return bool|string
* @throws \Exception
*/
public function getText($page = null, $path = null)
{
$path = $path ? $this->preparePath($path) : $this->path;
if ($page || parent::isFileTypeSupported($path)) {
// for per page extraction we have to convert the document to PDF and extract the text via ghostscript
return parent::getText($page, $this->getPdf($path));
} elseif (File::getFileExtension($path)) {
// if we want to get the text of the whole document, we can use libreoffices text export feature
$cmd = self::getLibreOfficeCli() . " --headless --nologo --nofirststartwizard --norestore --convert-to txt:Text --outdir " . escapeshellarg(PIMCORE_TEMPORARY_DIRECTORY) . " " . escapeshellarg($path);
$out = Console::exec($cmd, null, 240);
Logger::debug("LibreOffice Output was: " . $out);
$tmpName = PIMCORE_TEMPORARY_DIRECTORY . "/" . preg_replace("/\\." . File::getFileExtension($path) . "\$/", ".txt", basename($path));
if (file_exists($tmpName)) {
$text = file_get_contents($tmpName);
$text = \Pimcore\Tool\Text::convertToUTF8($text);
unlink($tmpName);
return $text;
} else {
$message = "Couldn't convert document to PDF: " . $path . " with the command: '" . $cmd . "' - now trying to get the text out of the PDF ...";
Logger::error($message);
return parent::getText(null, $this->getPdf($path));
}
}
return "";
// default empty string
}
