/**
* Renders a catched exception.
*
* @param Exception $e An exception instance
* @param OutputInterface $output An OutputInterface instance
*/
public function renderException($e, $output)
{
$strlen = function ($string) {
return function_exists('mb_strlen') ? mb_strlen($string) : strlen($string);
};
$title = sprintf(' [%s] ', get_class($e));
$len = $strlen($title);
$lines = array();
foreach (explode("\n", $e->getMessage()) as $line) {
$lines[] = sprintf(' %s ', $line);
$len = max($strlen($line) + 4, $len);
}
$messages = array(str_repeat(' ', $len), $title . str_repeat(' ', $len - $strlen($title)));
foreach ($lines as $line) {
$messages[] = $line . str_repeat(' ', $len - $strlen($line));
}
$messages[] = str_repeat(' ', $len);
$output->writeln("\n");
foreach ($messages as $message) {
$output->writeln("<error>{$message}</error>");
}
$output->writeln("\n");
if (null !== $this->runningCommand) {
$output->writeln(sprintf('<info>%s</info>', sprintf($this->runningCommand->getSynopsis(), $this->getName())));
$output->writeln("\n");
}
if (Output::VERBOSITY_VERBOSE === $output->getVerbosity()) {
$output->writeln('</comment>Exception trace:</comment>');
// exception related properties
$trace = $e->getTrace();
array_unshift($trace, array('function' => '', 'file' => $e->getFile() != null ? $e->getFile() : 'n/a', 'line' => $e->getLine() != null ? $e->getLine() : 'n/a', 'args' => array()));
for ($i = 0, $count = count($trace); $i < $count; $i++) {
$class = isset($trace[$i]['class']) ? $trace[$i]['class'] : '';
$type = isset($trace[$i]['type']) ? $trace[$i]['type'] : '';
$function = $trace[$i]['function'];
$file = isset($trace[$i]['file']) ? $trace[$i]['file'] : 'n/a';
$line = isset($trace[$i]['line']) ? $trace[$i]['line'] : 'n/a';
$output->writeln(sprintf(' %s%s%s() at <info>%s:%s</info>', $class, $type, $function, $file, $line));
}
$output->writeln("\n");
}
}
