/**
* Runs an external process.
*
* @param OutputInterface $output An OutputInterface instance
* @param string|array|Process $cmd An instance of Process or an array of arguments to escape and run or a command to run
* @param string|null $error An error message that must be displayed if something went wrong
* @param callable|null $callback A PHP callback to run whenever there is some
* output available on STDOUT or STDERR
* @param int $verbosity The threshold for verbosity
*
* @return Process The process that ran
*/
public function run(OutputInterface $output, $cmd, $error = null, $callback = null, $verbosity = OutputInterface::VERBOSITY_VERY_VERBOSE)
{
$formatter = $this->getHelperSet()->get('debug_formatter');
if (is_array($cmd)) {
$process = ProcessBuilder::create($cmd)->getProcess();
} elseif ($cmd instanceof Process) {
$process = $cmd;
} else {
$process = new Process($cmd);
}
if ($verbosity <= $output->getVerbosity()) {
$output->write($formatter->start(spl_object_hash($process), $this->escapeString($process->getCommandLine())));
}
if ($output->isDebug()) {
$callback = $this->wrapCallback($output, $process, $callback);
}
$process->run($callback);
if ($verbosity <= $output->getVerbosity()) {
$message = $process->isSuccessful() ? 'Command ran successfully' : sprintf('%s Command did not run successfully', $process->getExitCode());
$output->write($formatter->stop(spl_object_hash($process), $message, $process->isSuccessful()));
}
if (!$process->isSuccessful() && null !== $error) {
$output->writeln(sprintf('<error>%s</error>', $this->escapeString($error)));
}
return $process;
}
private function determineBestFormat()
{
switch ($this->output->getVerbosity()) {
// OutputInterface::VERBOSITY_QUIET: display is disabled anyway
case OutputInterface::VERBOSITY_VERBOSE:
return $this->max ? 'verbose' : 'verbose_nomax';
case OutputInterface::VERBOSITY_VERY_VERBOSE:
return $this->max ? 'very_verbose' : 'very_verbose_nomax';
case OutputInterface::VERBOSITY_DEBUG:
return $this->max ? 'debug' : 'debug_nomax';
default:
return $this->max ? 'normal' : 'normal_nomax';
}
}
/**
* Renders a caught exception.
*
* @param \Exception $e An exception instance
* @param OutputInterface $output An OutputInterface instance
*/
public function renderException($e, $output)
{
do {
$title = sprintf(' [%s] ', get_class($e));
$len = $this->stringWidth($title);
$width = $this->getTerminalWidth() ? $this->getTerminalWidth() - 1 : PHP_INT_MAX;
// HHVM only accepts 32 bits integer in str_split, even when PHP_INT_MAX is a 64 bit integer: https://github.com/facebook/hhvm/issues/1327
if (defined('HHVM_VERSION') && $width > 1 << 31) {
$width = 1 << 31;
}
$formatter = $output->getFormatter();
$lines = array();
foreach (preg_split('/\\r?\\n/', $e->getMessage()) as $line) {
foreach ($this->splitStringByWidth($line, $width - 4) as $line) {
// pre-format lines to get the right string length
$lineLength = $this->stringWidth(preg_replace('/\\[[^m]*m/', '', $formatter->format($line))) + 4;
$lines[] = array($line, $lineLength);
$len = max($lineLength, $len);
}
}
$messages = array('', '');
$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, OutputInterface::OUTPUT_RAW);
if (OutputInterface::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("");
$output->writeln("");
}
} while ($e = $e->getPrevious());
if (null !== $this->runningCommand) {
$output->writeln(sprintf('<info>%s</info>', sprintf($this->runningCommand->getSynopsis(), $this->getName())));
$output->writeln("");
$output->writeln("");
}
}
/**
* Starts the progress output.
*
* @param OutputInterface $output An Output instance
* @param int|null $max Maximum steps
*/
public function start(OutputInterface $output, $max = null)
{
$this->startTime = time();
$this->current = 0;
$this->max = (int) $max;
// Disabling output when it does not support ANSI codes as it would result in a broken display anyway.
$this->output = $output->isDecorated() ? $output : new NullOutput();
$this->lastMessagesLength = 0;
$this->barCharOriginal = '';
if (null === $this->format) {
switch ($output->getVerbosity()) {
case OutputInterface::VERBOSITY_QUIET:
$this->format = self::FORMAT_QUIET_NOMAX;
if ($this->max > 0) {
$this->format = self::FORMAT_QUIET;
}
break;
case OutputInterface::VERBOSITY_VERBOSE:
case OutputInterface::VERBOSITY_VERY_VERBOSE:
case OutputInterface::VERBOSITY_DEBUG:
$this->format = self::FORMAT_VERBOSE_NOMAX;
if ($this->max > 0) {
$this->format = self::FORMAT_VERBOSE;
}
break;
default:
$this->format = self::FORMAT_NORMAL_NOMAX;
if ($this->max > 0) {
$this->format = self::FORMAT_NORMAL;
}
break;
}
}
$this->initialize();
}
/**
* Runs the command.
*
* The code to execute is either defined directly with the
* setCode() method or by overriding the execute() method
* in a sub-class.
*
* @param InputInterface $input An InputInterface instance
* @param OutputInterface $output An OutputInterface instance
*
* @return array An array of [null, $callable, $parameters] that should be called for the command
*
* @throws \Exception
*
* @see setCode()
* @see execute()
*
* @api
*/
public function run(InputInterface $input, OutputInterface $output)
{
if (null !== $this->processTitle) {
if (function_exists('cli_set_process_title')) {
cli_set_process_title($this->processTitle);
} elseif (function_exists('setproctitle')) {
setproctitle($this->processTitle);
} elseif (OutputInterface::VERBOSITY_VERY_VERBOSE === $output->getVerbosity()) {
$output->writeln('<comment>Install the proctitle PECL to be able to change the process title.</comment>');
}
}
// force the creation of the synopsis before the merge with the app definition
$this->getSynopsis();
// add the application arguments and options
$this->mergeApplicationDefinition();
// bind the input against the command specific arguments/options
try {
$input->bind($this->definition);
} catch (\Exception $e) {
if (!$this->ignoreValidationErrors) {
throw $e;
}
}
$this->initialize($input, $output);
if ($input->isInteractive()) {
$this->interact($input, $output);
}
$input->validate();
$callable = $this->getCallable();
$params = $this->parseInput($input, $output);
return new ParsedCommand($callable, $params, $input, $output);
}
