/**
* Runs the conversion.
*
* @throws ConverterException If a binary error occurred
* @throws ConverterException If a shell error occurred
* @throws ConverterException If no data was returned
*
* @return OutputInterface
*/
public function convert()
{
$result = $this->executeShellCommand($this->buildCommand(), $this->input->getHtml());
if (strpos(mb_strtolower($result['error']), 'error') !== false) {
throw new ConverterException('Binary error: ' . $result['error']);
}
if ($result['result'] > 1) {
throw new ConverterException('Shell error: ' . $result['result']);
}
if (mb_strlen($result['output']) === 0) {
throw new ConverterException('No data returned');
}
$this->output->setPdfData($result['output']);
return $this->output;
}
