/**
* Asks the question to the user.
*
* This method is public for PHP 5.3 compatibility, it should be private.
*
* @param OutputInterface $output
* @param Question $question
*
* @return bool|mixed|null|string
*
* @throws \Exception
* @throws \RuntimeException
*/
public function doAsk(OutputInterface $output, Question $question)
{
$inputStream = $this->inputStream ?: STDIN;
$message = $question->getQuestion();
if ($question instanceof ChoiceQuestion) {
$width = max(array_map('strlen', array_keys($question->getChoices())));
$messages = (array) $question->getQuestion();
foreach ($question->getChoices() as $key => $value) {
$messages[] = sprintf(" [<info>%-{$width}s</info>] %s", $key, $value);
}
$output->writeln($messages);
$message = $question->getPrompt();
}
$output->write($message);
$autocomplete = $question->getAutocompleterValues();
if (null === $autocomplete || !$this->hasSttyAvailable()) {
$ret = false;
if ($question->isHidden()) {
try {
$ret = trim($this->getHiddenResponse($output, $inputStream));
} catch (\RuntimeException $e) {
if (!$question->isHiddenFallback()) {
throw $e;
}
}
}
if (false === $ret) {
$ret = fgets($inputStream, 4096);
if (false === $ret) {
throw new \RuntimeException('Aborted');
}
$ret = trim($ret);
}
} else {
$ret = trim($this->autocomplete($output, $question, $inputStream));
}
$ret = strlen($ret) > 0 ? $ret : $question->getDefault();
if ($normalizer = $question->getNormalizer()) {
return $normalizer($ret);
}
return $ret;
}
