/**
* 呈现捕获的异常
* @param \Exception $e
* @param Stream $output
*/
public function renderException(\Exception $e, Stream $output)
{
do {
$title = sprintf(' [%s] ', get_class($e));
$len = $this->stringWidth($title);
$width = $this->getTerminalWidth() ? $this->getTerminalWidth() - 1 : PHP_INT_MAX;
if (defined('HHVM_VERSION') && $width > 1 << 31) {
$width = 1 << 31;
}
$formatter = $output->getFormatter();
$lines = [];
foreach (preg_split('/\\r?\\n/', $e->getMessage()) as $line) {
foreach ($this->splitStringByWidth($line, $width - 4) as $line) {
$lineLength = $this->stringWidth(preg_replace('/\\[[^m]*m/', '', $formatter->format($line))) + 4;
$lines[] = [$line, $lineLength];
$len = max($lineLength, $len);
}
}
$messages = ['', ''];
$messages[] = $emptyLine = $formatter->format(sprintf('<error>%s</error>', str_repeat(' ', $len)));
$messages[] = $formatter->format(sprintf('<error>%s%s</error>', $title, str_repeat(' ', max(0, $len - $this->stringWidth($title)))));
foreach ($lines as $line) {
$messages[] = $formatter->format(sprintf('<error> %s %s</error>', $line[0], str_repeat(' ', $len - $line[1])));
}
$messages[] = $emptyLine;
$messages[] = '';
$messages[] = '';
$output->writeln($messages, Output::OUTPUT_RAW);
if (Output::VERBOSITY_VERBOSE <= $output->getVerbosity()) {
$output->writeln('<comment>Exception trace:</comment>');
// exception related properties
$trace = $e->getTrace();
array_unshift($trace, ['function' => '', 'file' => $e->getFile() !== null ? $e->getFile() : 'n/a', 'line' => $e->getLine() !== null ? $e->getLine() : 'n/a', 'args' => []]);
for ($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('');
$output->writeln('');
}
} while ($e = $e->getPrevious());
if (null !== $this->runningCommand) {
$output->writeln(sprintf('<info>%s</info>', sprintf($this->runningCommand->getSynopsis(), $this->getName())));
$output->writeln('');
$output->writeln('');
}
}
/**
* {@inheritdoc}
*/
public function setVerbosity($level)
{
parent::setVerbosity($level);
$this->stderr->setVerbosity($level);
}
