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Edit File : Application.php \| Size : 45.64 KB
<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / namespace Symfony\Component\Console; use Symfony\Component\Console\Command\Command; use Symfony\Component\Console\Command\CompleteCommand; use Symfony\Component\Console\Command\DumpCompletionCommand; use Symfony\Component\Console\Command\HelpCommand; use Symfony\Component\Console\Command\LazyCommand; use Symfony\Component\Console\Command\ListCommand; use Symfony\Component\Console\Command\SignalableCommandInterface; use Symfony\Component\Console\CommandLoader\CommandLoaderInterface; use Symfony\Component\Console\Completion\CompletionInput; use Symfony\Component\Console\Completion\CompletionSuggestions; use Symfony\Component\Console\Completion\Suggestion; use Symfony\Component\Console\Event\ConsoleCommandEvent; use Symfony\Component\Console\Event\ConsoleErrorEvent; use Symfony\Component\Console\Event\ConsoleSignalEvent; use Symfony\Component\Console\Event\ConsoleTerminateEvent; use Symfony\Component\Console\Exception\CommandNotFoundException; use Symfony\Component\Console\Exception\ExceptionInterface; use Symfony\Component\Console\Exception\LogicException; use Symfony\Component\Console\Exception\NamespaceNotFoundException; use Symfony\Component\Console\Exception\RuntimeException; use Symfony\Component\Console\Formatter\OutputFormatter; use Symfony\Component\Console\Helper\DebugFormatterHelper; use Symfony\Component\Console\Helper\DescriptorHelper; use Symfony\Component\Console\Helper\FormatterHelper; use Symfony\Component\Console\Helper\Helper; use Symfony\Component\Console\Helper\HelperSet; use Symfony\Component\Console\Helper\ProcessHelper; use Symfony\Component\Console\Helper\QuestionHelper; use Symfony\Component\Console\Input\ArgvInput; use Symfony\Component\Console\Input\ArrayInput; use Symfony\Component\Console\Input\InputArgument; use Symfony\Component\Console\Input\InputAwareInterface; use Symfony\Component\Console\Input\InputDefinition; use Symfony\Component\Console\Input\InputInterface; use Symfony\Component\Console\Input\InputOption; use Symfony\Component\Console\Output\ConsoleOutput; use Symfony\Component\Console\Output\ConsoleOutputInterface; use Symfony\Component\Console\Output\OutputInterface; use Symfony\Component\Console\SignalRegistry\SignalRegistry; use Symfony\Component\Console\Style\SymfonyStyle; use Symfony\Component\ErrorHandler\ErrorHandler; use Symfony\Contracts\EventDispatcher\EventDispatcherInterface; use Symfony\Contracts\Service\ResetInterface; /* * An Application is the container for a collection of commands. * * It is the main entry point of a Console application. * * This class is optimized for a standard CLI environment. * * Usage: * * $app = new Application('myapp', '1.0 (stable)'); * $app->add(new SimpleCommand()); * $app->run(); * * @author Fabien Potencier <fabien@symfony.com> / class Application implements ResetInterface { private array $commands = []; private bool $wantHelps = false; private ?Command $runningCommand = null; private string $name; private string $version; private ?CommandLoaderInterface $commandLoader = null; private bool $catchExceptions = true; private bool $autoExit = true; private InputDefinition $definition; private HelperSet $helperSet; private ?EventDispatcherInterface $dispatcher = null; private Terminal $terminal; private string $defaultCommand; private bool $singleCommand = false; private bool $initialized = false; private ?SignalRegistry $signalRegistry = null; private array $signalsToDispatchEvent = []; public function __construct(string $name = 'UNKNOWN', string $version = 'UNKNOWN') { $this->name = $name; $this->version = $version; $this->terminal = new Terminal(); $this->defaultCommand = 'list'; if (\defined('SIGINT') && SignalRegistry::isSupported()) { $this->signalRegistry = new SignalRegistry(); $this->signalsToDispatchEvent = [\SIGINT, \SIGTERM, \SIGUSR1, \SIGUSR2]; } } /* * @final / public function setDispatcher(EventDispatcherInterface $dispatcher): void { $this->dispatcher = $dispatcher; } /* * @return void / public function setCommandLoader(CommandLoaderInterface $commandLoader) { $this->commandLoader = $commandLoader; } public function getSignalRegistry(): SignalRegistry { if (!$this->signalRegistry) { throw new RuntimeException('Signals are not supported. Make sure that the "pcntl" extension is installed and that "pcntl_" functions are not disabled by your php.ini\'s "disable_functions" directive.'); } return $this->signalRegistry; } /** * @return void / public function setSignalsToDispatchEvent(int ...$signalsToDispatchEvent) { $this->signalsToDispatchEvent = $signalsToDispatchEvent; } /* * Runs the current application. * * @return int 0 if everything went fine, or an error code * * @throws \Exception When running fails. Bypass this when {@link setCatchExceptions()}. / public function run(InputInterface $input = null, OutputInterface $output = null): int { if (\function_exists('putenv')) { @putenv('LINES='.$this->terminal->getHeight()); @putenv('COLUMNS='.$this->terminal->getWidth()); } $input ??= new ArgvInput(); $output ??= new ConsoleOutput(); $renderException = function (\Throwable $e) use ($output) { if ($output instanceof ConsoleOutputInterface) { $this->renderThrowable($e, $output->getErrorOutput()); } else { $this->renderThrowable($e, $output); } }; if ($phpHandler = set_exception_handler($renderException)) { restore_exception_handler(); if (!\is_array($phpHandler) \|\| !$phpHandler[0] instanceof ErrorHandler) { $errorHandler = true; } elseif ($errorHandler = $phpHandler[0]->setExceptionHandler($renderException)) { $phpHandler[0]->setExceptionHandler($errorHandler); } } $this->configureIO($input, $output); try { $exitCode = $this->doRun($input, $output); } catch (\Exception $e) { if (!$this->catchExceptions) { throw $e; } $renderException($e); $exitCode = $e->getCode(); if (is_numeric($exitCode)) { $exitCode = (int) $exitCode; if ($exitCode <= 0) { $exitCode = 1; } } else { $exitCode = 1; } } finally { // if the exception handler changed, keep it // otherwise, unregister $renderException if (!$phpHandler) { if (set_exception_handler($renderException) === $renderException) { restore_exception_handler(); } restore_exception_handler(); } elseif (!$errorHandler) { $finalHandler = $phpHandler[0]->setExceptionHandler(null); if ($finalHandler !== $renderException) { $phpHandler[0]->setExceptionHandler($finalHandler); } } } if ($this->autoExit) { if ($exitCode > 255) { $exitCode = 255; } exit($exitCode); } return $exitCode; } /* * Runs the current application. * * @return int 0 if everything went fine, or an error code / public function doRun(InputInterface $input, OutputInterface $output) { if (true === $input->hasParameterOption(['--version', '-V'], true)) { $output->writeln($this->getLongVersion()); return 0; } try { // Makes ArgvInput::getFirstArgument() able to distinguish an option from an argument. $input->bind($this->getDefinition()); } catch (ExceptionInterface) { // Errors must be ignored, full binding/validation happens later when the command is known. } $name = $this->getCommandName($input); if (true === $input->hasParameterOption(['--help', '-h'], true)) { if (!$name) { $name = 'help'; $input = new ArrayInput(['command_name' => $this->defaultCommand]); } else { $this->wantHelps = true; } } if (!$name) { $name = $this->defaultCommand; $definition = $this->getDefinition(); $definition->setArguments(array_merge( $definition->getArguments(), [ 'command' => new InputArgument('command', InputArgument::OPTIONAL, $definition->getArgument('command')->getDescription(), $name), ] )); } try { $this->runningCommand = null; // the command name MUST be the first element of the input $command = $this->find($name); } catch (\Throwable $e) { if (($e instanceof CommandNotFoundException && !$e instanceof NamespaceNotFoundException) && 1 === \count($alternatives = $e->getAlternatives()) && $input->isInteractive()) { $alternative = $alternatives[0]; $style = new SymfonyStyle($input, $output); $output->writeln(''); $formattedBlock = (new FormatterHelper())->formatBlock(sprintf('Command "%s" is not defined.', $name), 'error', true); $output->writeln($formattedBlock); if (!$style->confirm(sprintf('Do you want to run "%s" instead? ', $alternative), false)) { if (null !== $this->dispatcher) { $event = new ConsoleErrorEvent($input, $output, $e); $this->dispatcher->dispatch($event, ConsoleEvents::ERROR); return $event->getExitCode(); } return 1; } $command = $this->find($alternative); } else { if (null !== $this->dispatcher) { $event = new ConsoleErrorEvent($input, $output, $e); $this->dispatcher->dispatch($event, ConsoleEvents::ERROR); if (0 === $event->getExitCode()) { return 0; } $e = $event->getError(); } try { if ($e instanceof CommandNotFoundException && $namespace = $this->findNamespace($name)) { $helper = new DescriptorHelper(); $helper->describe($output instanceof ConsoleOutputInterface ? $output->getErrorOutput() : $output, $this, [ 'format' => 'txt', 'raw_text' => false, 'namespace' => $namespace, 'short' => false, ]); return isset($event) ? $event->getExitCode() : 1; } throw $e; } catch (NamespaceNotFoundException) { throw $e; } } } if ($command instanceof LazyCommand) { $command = $command->getCommand(); } $this->runningCommand = $command; $exitCode = $this->doRunCommand($command, $input, $output); $this->runningCommand = null; return $exitCode; } /* * @return void / public function reset() { } /* * @return void / public function setHelperSet(HelperSet $helperSet) { $this->helperSet = $helperSet; } /* * Get the helper set associated with the command. / public function getHelperSet(): HelperSet { return $this->helperSet ??= $this->getDefaultHelperSet(); } /* * @return void / public function setDefinition(InputDefinition $definition) { $this->definition = $definition; } /* * Gets the InputDefinition related to this Application. / public function getDefinition(): InputDefinition { $this->definition ??= $this->getDefaultInputDefinition(); if ($this->singleCommand) { $inputDefinition = $this->definition; $inputDefinition->setArguments(); return $inputDefinition; } return $this->definition; } /* * Adds suggestions to $suggestions for the current completion input (e.g. option or argument). / public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void { if ( CompletionInput::TYPE_ARGUMENT_VALUE === $input->getCompletionType() && 'command' === $input->getCompletionName() ) { foreach ($this->all() as $name => $command) { // skip hidden commands and aliased commands as they already get added below if ($command->isHidden() \|\| $command->getName() !== $name) { continue; } $suggestions->suggestValue(new Suggestion($command->getName(), $command->getDescription())); foreach ($command->getAliases() as $name) { $suggestions->suggestValue(new Suggestion($name, $command->getDescription())); } } return; } if (CompletionInput::TYPE_OPTION_NAME === $input->getCompletionType()) { $suggestions->suggestOptions($this->getDefinition()->getOptions()); return; } } /* * Gets the help message. / public function getHelp(): string { return $this->getLongVersion(); } /* * Gets whether to catch exceptions or not during commands execution. / public function areExceptionsCaught(): bool { return $this->catchExceptions; } /* * Sets whether to catch exceptions or not during commands execution. * * @return void / public function setCatchExceptions(bool $boolean) { $this->catchExceptions = $boolean; } /* * Gets whether to automatically exit after a command execution or not. / public function isAutoExitEnabled(): bool { return $this->autoExit; } /* * Sets whether to automatically exit after a command execution or not. * * @return void / public function setAutoExit(bool $boolean) { $this->autoExit = $boolean; } /* * Gets the name of the application. / public function getName(): string { return $this->name; } /* * Sets the application name. * * @return void / public function setName(string $name) { $this->name = $name; } /* * Gets the application version. / public function getVersion(): string { return $this->version; } /* * Sets the application version. * * @return void / public function setVersion(string $version) { $this->version = $version; } /* * Returns the long version of the application. * * @return string / public function getLongVersion() { if ('UNKNOWN' !== $this->getName()) { if ('UNKNOWN' !== $this->getVersion()) { return sprintf('%s <info>%s</info>', $this->getName(), $this->getVersion()); } return $this->getName(); } return 'Console Tool'; } /* * Registers a new command. / public function register(string $name): Command { return $this->add(new Command($name)); } /* * Adds an array of command objects. * * If a Command is not enabled it will not be added. * * @param Command[] $commands An array of commands * * @return void / public function addCommands(array $commands) { foreach ($commands as $command) { $this->add($command); } } /* * Adds a command object. * * If a command with the same name already exists, it will be overridden. * If the command is not enabled it will not be added. * * @return Command\|null / public function add(Command $command) { $this->init(); $command->setApplication($this); if (!$command->isEnabled()) { $command->setApplication(null); return null; } if (!$command instanceof LazyCommand) { // Will throw if the command is not correctly initialized. $command->getDefinition(); } if (!$command->getName()) { throw new LogicException(sprintf('The command defined in "%s" cannot have an empty name.', get_debug_type($command))); } $this->commands[$command->getName()] = $command; foreach ($command->getAliases() as $alias) { $this->commands[$alias] = $command; } return $command; } /* * Returns a registered command by name or alias. * * @return Command * * @throws CommandNotFoundException When given command name does not exist / public function get(string $name) { $this->init(); if (!$this->has($name)) { throw new CommandNotFoundException(sprintf('The command "%s" does not exist.', $name)); } // When the command has a different name than the one used at the command loader level if (!isset($this->commands[$name])) { throw new CommandNotFoundException(sprintf('The "%s" command cannot be found because it is registered under multiple names. Make sure you don\'t set a different name via constructor or "setName()".', $name)); } $command = $this->commands[$name]; if ($this->wantHelps) { $this->wantHelps = false; $helpCommand = $this->get('help'); $helpCommand->setCommand($command); return $helpCommand; } return $command; } /* * Returns true if the command exists, false otherwise. / public function has(string $name): bool { $this->init(); return isset($this->commands[$name]) \|\| ($this->commandLoader?->has($name) && $this->add($this->commandLoader->get($name))); } /* * Returns an array of all unique namespaces used by currently registered commands. * * It does not return the global namespace which always exists. * * @return string[] / public function getNamespaces(): array { $namespaces = []; foreach ($this->all() as $command) { if ($command->isHidden()) { continue; } $namespaces[] = $this->extractAllNamespaces($command->getName()); foreach ($command->getAliases() as $alias) { $namespaces[] = $this->extractAllNamespaces($alias); } } return array_values(array_unique(array_filter(array_merge([], ...$namespaces)))); } /* * Finds a registered namespace by a name or an abbreviation. * * @throws NamespaceNotFoundException When namespace is incorrect or ambiguous / public function findNamespace(string $namespace): string { $allNamespaces = $this->getNamespaces(); $expr = implode('[^:]:', array_map('preg_quote', explode(':', $namespace))).'[^:]'; $namespaces = preg_grep('{^'.$expr.'}', $allNamespaces); if (empty($namespaces)) { $message = sprintf('There are no commands defined in the "%s" namespace.', $namespace); if ($alternatives = $this->findAlternatives($namespace, $allNamespaces)) { if (1 == \count($alternatives)) { $message .= "\n\nDid you mean this?\n "; } else { $message .= "\n\nDid you mean one of these?\n "; } $message .= implode("\n ", $alternatives); } throw new NamespaceNotFoundException($message, $alternatives); } $exact = \in_array($namespace, $namespaces, true); if (\count($namespaces) > 1 && !$exact) { throw new NamespaceNotFoundException(sprintf("The namespace \"%s\" is ambiguous.\nDid you mean one of these?\n%s.", $namespace, $this->getAbbreviationSuggestions(array_values($namespaces))), array_values($namespaces)); } return $exact ? $namespace : reset($namespaces); } /* * Finds a command by name or alias. * * Contrary to get, this command tries to find the best * match if you give it an abbreviation of a name or alias. * * @return Command * * @throws CommandNotFoundException When command name is incorrect or ambiguous / public function find(string $name) { $this->init(); $aliases = []; foreach ($this->commands as $command) { foreach ($command->getAliases() as $alias) { if (!$this->has($alias)) { $this->commands[$alias] = $command; } } } if ($this->has($name)) { return $this->get($name); } $allCommands = $this->commandLoader ? array_merge($this->commandLoader->getNames(), array_keys($this->commands)) : array_keys($this->commands); $expr = implode('[^:]:', array_map('preg_quote', explode(':', $name))).'[^:]'; $commands = preg_grep('{^'.$expr.'}', $allCommands); if (empty($commands)) { $commands = preg_grep('{^'.$expr.'}i', $allCommands); } // if no commands matched or we just matched namespaces if (empty($commands) \|\| \count(preg_grep('{^'.$expr.'$}i', $commands)) < 1) { if (false !== $pos = strrpos($name, ':')) { // check if a namespace exists and contains commands $this->findNamespace(substr($name, 0, $pos)); } $message = sprintf('Command "%s" is not defined.', $name); if ($alternatives = $this->findAlternatives($name, $allCommands)) { // remove hidden commands $alternatives = array_filter($alternatives, fn ($name) => !$this->get($name)->isHidden()); if (1 == \count($alternatives)) { $message .= "\n\nDid you mean this?\n "; } else { $message .= "\n\nDid you mean one of these?\n "; } $message .= implode("\n ", $alternatives); } throw new CommandNotFoundException($message, array_values($alternatives)); } // filter out aliases for commands which are already on the list if (\count($commands) > 1) { $commandList = $this->commandLoader ? array_merge(array_flip($this->commandLoader->getNames()), $this->commands) : $this->commands; $commands = array_unique(array_filter($commands, function ($nameOrAlias) use (&$commandList, $commands, &$aliases) { if (!$commandList[$nameOrAlias] instanceof Command) { $commandList[$nameOrAlias] = $this->commandLoader->get($nameOrAlias); } $commandName = $commandList[$nameOrAlias]->getName(); $aliases[$nameOrAlias] = $commandName; return $commandName === $nameOrAlias \|\| !\in_array($commandName, $commands); })); } if (\count($commands) > 1) { $usableWidth = $this->terminal->getWidth() - 10; $abbrevs = array_values($commands); $maxLen = 0; foreach ($abbrevs as $abbrev) { $maxLen = max(Helper::width($abbrev), $maxLen); } $abbrevs = array_map(function ($cmd) use ($commandList, $usableWidth, $maxLen, &$commands) { if ($commandList[$cmd]->isHidden()) { unset($commands[array_search($cmd, $commands)]); return false; } $abbrev = str_pad($cmd, $maxLen, ' ').' '.$commandList[$cmd]->getDescription(); return Helper::width($abbrev) > $usableWidth ? Helper::substr($abbrev, 0, $usableWidth - 3).'...' : $abbrev; }, array_values($commands)); if (\count($commands) > 1) { $suggestions = $this->getAbbreviationSuggestions(array_filter($abbrevs)); throw new CommandNotFoundException(sprintf("Command \"%s\" is ambiguous.\nDid you mean one of these?\n%s.", $name, $suggestions), array_values($commands)); } } $command = $this->get(reset($commands)); if ($command->isHidden()) { throw new CommandNotFoundException(sprintf('The command "%s" does not exist.', $name)); } return $command; } /* * Gets the commands (registered in the given namespace if provided). * * The array keys are the full names and the values the command instances. * * @return Command[] / public function all(string $namespace = null) { $this->init(); if (null === $namespace) { if (!$this->commandLoader) { return $this->commands; } $commands = $this->commands; foreach ($this->commandLoader->getNames() as $name) { if (!isset($commands[$name]) && $this->has($name)) { $commands[$name] = $this->get($name); } } return $commands; } $commands = []; foreach ($this->commands as $name => $command) { if ($namespace === $this->extractNamespace($name, substr_count($namespace, ':') + 1)) { $commands[$name] = $command; } } if ($this->commandLoader) { foreach ($this->commandLoader->getNames() as $name) { if (!isset($commands[$name]) && $namespace === $this->extractNamespace($name, substr_count($namespace, ':') + 1) && $this->has($name)) { $commands[$name] = $this->get($name); } } } return $commands; } /* * Returns an array of possible abbreviations given a set of names. * * @return string[][] / public static function getAbbreviations(array $names): array { $abbrevs = []; foreach ($names as $name) { for ($len = \strlen($name); $len > 0; --$len) { $abbrev = substr($name, 0, $len); $abbrevs[$abbrev][] = $name; } } return $abbrevs; } public function renderThrowable(\Throwable $e, OutputInterface $output): void { $output->writeln('', OutputInterface::VERBOSITY_QUIET); $this->doRenderThrowable($e, $output); if (null !== $this->runningCommand) { $output->writeln(sprintf('<info>%s</info>', OutputFormatter::escape(sprintf($this->runningCommand->getSynopsis(), $this->getName()))), OutputInterface::VERBOSITY_QUIET); $output->writeln('', OutputInterface::VERBOSITY_QUIET); } } protected function doRenderThrowable(\Throwable $e, OutputInterface $output): void { do { $message = trim($e->getMessage()); if ('' === $message \|\| OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) { $class = get_debug_type($e); $title = sprintf(' [%s%s] ', $class, 0 !== ($code = $e->getCode()) ? ' ('.$code.')' : ''); $len = Helper::width($title); } else { $len = 0; } if (str_contains($message, "@anonymous\0")) { $message = preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]+@anonymous\x00.?\.php(?:0x?\|:[0-9]++\$)[0-9a-fA-F]++/', fn ($m) => class_exists($m[0], false) ? (get_parent_class($m[0]) ?: key(class_implements($m[0])) ?: 'class').'@anonymous' : $m[0], $message); } $width = $this->terminal->getWidth() ? $this->terminal->getWidth() - 1 : \PHP_INT_MAX; $lines = []; foreach ('' !== $message ? preg_split('/\r?\n/', $message) : [] as $line) { foreach ($this->splitStringByWidth($line, $width - 4) as $line) { // pre-format lines to get the right string length $lineLength = Helper::width($line) + 4; $lines[] = [$line, $lineLength]; $len = max($lineLength, $len); } } $messages = []; if (!$e instanceof ExceptionInterface \|\| OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) { $messages[] = sprintf('<comment>%s</comment>', OutputFormatter::escape(sprintf('In %s line %s:', basename($e->getFile()) ?: 'n/a', $e->getLine() ?: 'n/a'))); } $messages[] = $emptyLine = sprintf('<error>%s</error>', str_repeat(' ', $len)); if ('' === $message \|\| OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) { $messages[] = sprintf('<error>%s%s</error>', $title, str_repeat(' ', max(0, $len - Helper::width($title)))); } foreach ($lines as $line) { $messages[] = sprintf('<error> %s %s</error>', OutputFormatter::escape($line[0]), str_repeat(' ', $len - $line[1])); } $messages[] = $emptyLine; $messages[] = ''; $output->writeln($messages, OutputInterface::VERBOSITY_QUIET); if (OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) { $output->writeln('<comment>Exception trace:</comment>', OutputInterface::VERBOSITY_QUIET); // exception related properties $trace = $e->getTrace(); array_unshift($trace, [ 'function' => '', 'file' => $e->getFile() ?: 'n/a', 'line' => $e->getLine() ?: 'n/a', 'args' => [], ]); for ($i = 0, $count = \count($trace); $i < $count; ++$i) { $class = $trace[$i]['class'] ?? ''; $type = $trace[$i]['type'] ?? ''; $function = $trace[$i]['function'] ?? ''; $file = $trace[$i]['file'] ?? 'n/a'; $line = $trace[$i]['line'] ?? 'n/a'; $output->writeln(sprintf(' %s%s at <info>%s:%s</info>', $class, $function ? $type.$function.'()' : '', $file, $line), OutputInterface::VERBOSITY_QUIET); } $output->writeln('', OutputInterface::VERBOSITY_QUIET); } } while ($e = $e->getPrevious()); } /* * Configures the input and output instances based on the user arguments and options. * * @return void / protected function configureIO(InputInterface $input, OutputInterface $output) { if (true === $input->hasParameterOption(['--ansi'], true)) { $output->setDecorated(true); } elseif (true === $input->hasParameterOption(['--no-ansi'], true)) { $output->setDecorated(false); } if (true === $input->hasParameterOption(['--no-interaction', '-n'], true)) { $input->setInteractive(false); } switch ($shellVerbosity = (int) getenv('SHELL_VERBOSITY')) { case -1: $output->setVerbosity(OutputInterface::VERBOSITY_QUIET); break; case 1: $output->setVerbosity(OutputInterface::VERBOSITY_VERBOSE); break; case 2: $output->setVerbosity(OutputInterface::VERBOSITY_VERY_VERBOSE); break; case 3: $output->setVerbosity(OutputInterface::VERBOSITY_DEBUG); break; default: $shellVerbosity = 0; break; } if (true === $input->hasParameterOption(['--quiet', '-q'], true)) { $output->setVerbosity(OutputInterface::VERBOSITY_QUIET); $shellVerbosity = -1; } else { if ($input->hasParameterOption('-vvv', true) \|\| $input->hasParameterOption('--verbose=3', true) \|\| 3 === $input->getParameterOption('--verbose', false, true)) { $output->setVerbosity(OutputInterface::VERBOSITY_DEBUG); $shellVerbosity = 3; } elseif ($input->hasParameterOption('-vv', true) \|\| $input->hasParameterOption('--verbose=2', true) \|\| 2 === $input->getParameterOption('--verbose', false, true)) { $output->setVerbosity(OutputInterface::VERBOSITY_VERY_VERBOSE); $shellVerbosity = 2; } elseif ($input->hasParameterOption('-v', true) \|\| $input->hasParameterOption('--verbose=1', true) \|\| $input->hasParameterOption('--verbose', true) \|\| $input->getParameterOption('--verbose', false, true)) { $output->setVerbosity(OutputInterface::VERBOSITY_VERBOSE); $shellVerbosity = 1; } } if (-1 === $shellVerbosity) { $input->setInteractive(false); } if (\function_exists('putenv')) { @putenv('SHELL_VERBOSITY='.$shellVerbosity); } $_ENV['SHELL_VERBOSITY'] = $shellVerbosity; $_SERVER['SHELL_VERBOSITY'] = $shellVerbosity; } /* * Runs the current command. * * If an event dispatcher has been attached to the application, * events are also dispatched during the life-cycle of the command. * * @return int 0 if everything went fine, or an error code / protected function doRunCommand(Command $command, InputInterface $input, OutputInterface $output) { foreach ($command->getHelperSet() as $helper) { if ($helper instanceof InputAwareInterface) { $helper->setInput($input); } } $commandSignals = $command instanceof SignalableCommandInterface ? $command->getSubscribedSignals() : []; if ($commandSignals \|\| $this->dispatcher && $this->signalsToDispatchEvent) { if (!$this->signalRegistry) { throw new RuntimeException('Unable to subscribe to signal events. Make sure that the "pcntl" extension is installed and that "pcntl_" functions are not disabled by your php.ini\'s "disable_functions" directive.'); } if (Terminal::hasSttyAvailable()) { $sttyMode = shell_exec('stty -g'); foreach ([\SIGINT, \SIGTERM] as $signal) { $this->signalRegistry->register($signal, static fn () => shell_exec('stty '.$sttyMode)); } } if ($this->dispatcher) { // We register application signals, so that we can dispatch the event foreach ($this->signalsToDispatchEvent as $signal) { $event = new ConsoleSignalEvent($command, $input, $output, $signal); $this->signalRegistry->register($signal, function ($signal) use ($event, $command, $commandSignals) { $this->dispatcher->dispatch($event, ConsoleEvents::SIGNAL); $exitCode = $event->getExitCode(); // If the command is signalable, we call the handleSignal() method if (\in_array($signal, $commandSignals, true)) { $exitCode = $command->handleSignal($signal, $exitCode); // BC layer for Symfony <= 5 if (null === $exitCode) { trigger_deprecation('symfony/console', '6.3', 'Not returning an exit code from "%s::handleSignal()" is deprecated, return "false" to keep the command running or "0" to exit successfully.', get_debug_type($command)); $exitCode = 0; } } if (false !== $exitCode) { exit($exitCode); } }); } // then we register command signals, but not if already handled after the dispatcher $commandSignals = array_diff($commandSignals, $this->signalsToDispatchEvent); } foreach ($commandSignals as $signal) { $this->signalRegistry->register($signal, function (int $signal) use ($command): void { $exitCode = $command->handleSignal($signal); // BC layer for Symfony <= 5 if (null === $exitCode) { trigger_deprecation('symfony/console', '6.3', 'Not returning an exit code from "%s::handleSignal()" is deprecated, return "false" to keep the command running or "0" to exit successfully.', get_debug_type($command)); $exitCode = 0; } if (false !== $exitCode) { exit($exitCode); } }); } } if (null === $this->dispatcher) { return $command->run($input, $output); } // bind before the console.command event, so the listeners have access to input options/arguments try { $command->mergeApplicationDefinition(); $input->bind($command->getDefinition()); } catch (ExceptionInterface) { // ignore invalid options/arguments for now, to allow the event listeners to customize the InputDefinition } $event = new ConsoleCommandEvent($command, $input, $output); $e = null; try { $this->dispatcher->dispatch($event, ConsoleEvents::COMMAND); if ($event->commandShouldRun()) { $exitCode = $command->run($input, $output); } else { $exitCode = ConsoleCommandEvent::RETURN_CODE_DISABLED; } } catch (\Throwable $e) { $event = new ConsoleErrorEvent($input, $output, $e, $command); $this->dispatcher->dispatch($event, ConsoleEvents::ERROR); $e = $event->getError(); if (0 === $exitCode = $event->getExitCode()) { $e = null; } } $event = new ConsoleTerminateEvent($command, $input, $output, $exitCode); $this->dispatcher->dispatch($event, ConsoleEvents::TERMINATE); if (null !== $e) { throw $e; } return $event->getExitCode(); } /** * Gets the name of the command based on input. / protected function getCommandName(InputInterface $input): ?string { return $this->singleCommand ? $this->defaultCommand : $input->getFirstArgument(); } /* * Gets the default input definition. / protected function getDefaultInputDefinition(): InputDefinition { return new InputDefinition([ new InputArgument('command', InputArgument::REQUIRED, 'The command to execute'), new InputOption('--help', '-h', InputOption::VALUE_NONE, 'Display help for the given command. When no command is given display help for the <info>'.$this->defaultCommand.'</info> command'), new InputOption('--quiet', '-q', InputOption::VALUE_NONE, 'Do not output any message'), new InputOption('--verbose', '-v\|vv\|vvv', InputOption::VALUE_NONE, 'Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug'), new InputOption('--version', '-V', InputOption::VALUE_NONE, 'Display this application version'), new InputOption('--ansi', '', InputOption::VALUE_NEGATABLE, 'Force (or disable --no-ansi) ANSI output', null), new InputOption('--no-interaction', '-n', InputOption::VALUE_NONE, 'Do not ask any interactive question'), ]); } /* * Gets the default commands that should always be available. * * @return Command[] / protected function getDefaultCommands(): array { return [new HelpCommand(), new ListCommand(), new CompleteCommand(), new DumpCompletionCommand()]; } /* * Gets the default helper set with the helpers that should always be available. / protected function getDefaultHelperSet(): HelperSet { return new HelperSet([ new FormatterHelper(), new DebugFormatterHelper(), new ProcessHelper(), new QuestionHelper(), ]); } /* * Returns abbreviated suggestions in string format. / private function getAbbreviationSuggestions(array $abbrevs): string { return ' '.implode("\n ", $abbrevs); } /* * Returns the namespace part of the command name. * * This method is not part of public API and should not be used directly. / public function extractNamespace(string $name, int $limit = null): string { $parts = explode(':', $name, -1); return implode(':', null === $limit ? $parts : \array_slice($parts, 0, $limit)); } /* * Finds alternative of $name among $collection, * if nothing is found in $collection, try in $abbrevs. * * @return string[] / private function findAlternatives(string $name, iterable $collection): array { $threshold = 1e3; $alternatives = []; $collectionParts = []; foreach ($collection as $item) { $collectionParts[$item] = explode(':', $item); } foreach (explode(':', $name) as $i => $subname) { foreach ($collectionParts as $collectionName => $parts) { $exists = isset($alternatives[$collectionName]); if (!isset($parts[$i]) && $exists) { $alternatives[$collectionName] += $threshold; continue; } elseif (!isset($parts[$i])) { continue; } $lev = levenshtein($subname, $parts[$i]); if ($lev <= \strlen($subname) / 3 \|\| '' !== $subname && str_contains($parts[$i], $subname)) { $alternatives[$collectionName] = $exists ? $alternatives[$collectionName] + $lev : $lev; } elseif ($exists) { $alternatives[$collectionName] += $threshold; } } } foreach ($collection as $item) { $lev = levenshtein($name, $item); if ($lev <= \strlen($name) / 3 \|\| str_contains($item, $name)) { $alternatives[$item] = isset($alternatives[$item]) ? $alternatives[$item] - $lev : $lev; } } $alternatives = array_filter($alternatives, fn ($lev) => $lev < 2 $threshold); ksort($alternatives, \SORT_NATURAL \| \SORT_FLAG_CASE); return array_keys($alternatives); } /** * Sets the default Command name. * * @return $this / public function setDefaultCommand(string $commandName, bool $isSingleCommand = false): static { $this->defaultCommand = explode('\|', ltrim($commandName, '\|'))[0]; if ($isSingleCommand) { // Ensure the command exist $this->find($commandName); $this->singleCommand = true; } return $this; } /* * @internal / public function isSingleCommand(): bool { return $this->singleCommand; } private function splitStringByWidth(string $string, int $width): array { // str_split is not suitable for multi-byte characters, we should use preg_split to get char array properly. // additionally, array_slice() is not enough as some character has doubled width. // we need a function to split string not by character count but by string width if (false === $encoding = mb_detect_encoding($string, null, true)) { return str_split($string, $width); } $utf8String = mb_convert_encoding($string, 'utf8', $encoding); $lines = []; $line = ''; $offset = 0; while (preg_match('/.{1,10000}/u', $utf8String, $m, 0, $offset)) { $offset += \strlen($m[0]); foreach (preg_split('//u', $m[0]) as $char) { // test if $char could be appended to current line if (mb_strwidth($line.$char, 'utf8') <= $width) { $line .= $char; continue; } // if not, push current line to array and make new line $lines[] = str_pad($line, $width); $line = $char; } } $lines[] = \count($lines) ? str_pad($line, $width) : $line; mb_convert_variables($encoding, 'utf8', $lines); return $lines; } /* * Returns all namespaces of the command name. * * @return string[] */ private function extractAllNamespaces(string $name): array { // -1 as third argument is needed to skip the command short name when exploding $parts = explode(':', $name, -1); $namespaces = []; foreach ($parts as $part) { if (\count($namespaces)) { $namespaces[] = end($namespaces).':'.$part; } else { $namespaces[] = $part; } } return $namespaces; } private function init(): void { if ($this->initialized) { return; } $this->initialized = true; foreach ($this->getDefaultCommands() as $command) { $this->add($command); } } } Back

Edit File : Application.php | Size : 45.64 KB

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Command\CompleteCommand;
use Symfony\Component\Console\Command\DumpCompletionCommand;
use Symfony\Component\Console\Command\HelpCommand;
use Symfony\Component\Console\Command\LazyCommand;
use Symfony\Component\Console\Command\ListCommand;
use Symfony\Component\Console\Command\SignalableCommandInterface;
use Symfony\Component\Console\CommandLoader\CommandLoaderInterface;
use Symfony\Component\Console\Completion\CompletionInput;
use Symfony\Component\Console\Completion\CompletionSuggestions;
use Symfony\Component\Console\Completion\Suggestion;
use Symfony\Component\Console\Event\ConsoleCommandEvent;
use Symfony\Component\Console\Event\ConsoleErrorEvent;
use Symfony\Component\Console\Event\ConsoleSignalEvent;
use Symfony\Component\Console\Event\ConsoleTerminateEvent;
use Symfony\Component\Console\Exception\CommandNotFoundException;
use Symfony\Component\Console\Exception\ExceptionInterface;
use Symfony\Component\Console\Exception\LogicException;
use Symfony\Component\Console\Exception\NamespaceNotFoundException;
use Symfony\Component\Console\Exception\RuntimeException;
use Symfony\Component\Console\Formatter\OutputFormatter;
use Symfony\Component\Console\Helper\DebugFormatterHelper;
use Symfony\Component\Console\Helper\DescriptorHelper;
use Symfony\Component\Console\Helper\FormatterHelper;
use Symfony\Component\Console\Helper\Helper;
use Symfony\Component\Console\Helper\HelperSet;
use Symfony\Component\Console\Helper\ProcessHelper;
use Symfony\Component\Console\Helper\QuestionHelper;
use Symfony\Component\Console\Input\ArgvInput;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputAwareInterface;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\ConsoleOutput;
use Symfony\Component\Console\Output\ConsoleOutputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\SignalRegistry\SignalRegistry;
use Symfony\Component\Console\Style\SymfonyStyle;
use Symfony\Component\ErrorHandler\ErrorHandler;
use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
use Symfony\Contracts\Service\ResetInterface;

/**
 * An Application is the container for a collection of commands.
 *
 * It is the main entry point of a Console application.
 *
 * This class is optimized for a standard CLI environment.
 *
 * Usage:
 *
 *     $app = new Application('myapp', '1.0 (stable)');
 *     $app->add(new SimpleCommand());
 *     $app->run();
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Application implements ResetInterface
{
    private array $commands = [];
    private bool $wantHelps = false;
    private ?Command $runningCommand = null;
    private string $name;
    private string $version;
    private ?CommandLoaderInterface $commandLoader = null;
    private bool $catchExceptions = true;
    private bool $autoExit = true;
    private InputDefinition $definition;
    private HelperSet $helperSet;
    private ?EventDispatcherInterface $dispatcher = null;
    private Terminal $terminal;
    private string $defaultCommand;
    private bool $singleCommand = false;
    private bool $initialized = false;
    private ?SignalRegistry $signalRegistry = null;
    private array $signalsToDispatchEvent = [];

public function __construct(string $name = 'UNKNOWN', string $version = 'UNKNOWN')
    {
        $this->name = $name;
        $this->version = $version;
        $this->terminal = new Terminal();
        $this->defaultCommand = 'list';
        if (\defined('SIGINT') && SignalRegistry::isSupported()) {
            $this->signalRegistry = new SignalRegistry();
            $this->signalsToDispatchEvent = [\SIGINT, \SIGTERM, \SIGUSR1, \SIGUSR2];
        }
    }

/**
     * @final
     */
    public function setDispatcher(EventDispatcherInterface $dispatcher): void
    {
        $this->dispatcher = $dispatcher;
    }

/**
     * @return void
     */
    public function setCommandLoader(CommandLoaderInterface $commandLoader)
    {
        $this->commandLoader = $commandLoader;
    }

public function getSignalRegistry(): SignalRegistry
    {
        if (!$this->signalRegistry) {
            throw new RuntimeException('Signals are not supported. Make sure that the "pcntl" extension is installed and that "pcntl_*" functions are not disabled by your php.ini\'s "disable_functions" directive.');
        }

return $this->signalRegistry;
    }

/**
     * @return void
     */
    public function setSignalsToDispatchEvent(int ...$signalsToDispatchEvent)
    {
        $this->signalsToDispatchEvent = $signalsToDispatchEvent;
    }

/**
     * Runs the current application.
     *
     * @return int 0 if everything went fine, or an error code
     *
     * @throws \Exception When running fails. Bypass this when {@link setCatchExceptions()}.
     */
    public function run(InputInterface $input = null, OutputInterface $output = null): int
    {
        if (\function_exists('putenv')) {
            @putenv('LINES='.$this->terminal->getHeight());
            @putenv('COLUMNS='.$this->terminal->getWidth());
        }

$input ??= new ArgvInput();
        $output ??= new ConsoleOutput();

$renderException = function (\Throwable $e) use ($output) {
            if ($output instanceof ConsoleOutputInterface) {
                $this->renderThrowable($e, $output->getErrorOutput());
            } else {
                $this->renderThrowable($e, $output);
            }
        };
        if ($phpHandler = set_exception_handler($renderException)) {
            restore_exception_handler();
            if (!\is_array($phpHandler) || !$phpHandler[0] instanceof ErrorHandler) {
                $errorHandler = true;
            } elseif ($errorHandler = $phpHandler[0]->setExceptionHandler($renderException)) {
                $phpHandler[0]->setExceptionHandler($errorHandler);
            }
        }

$this->configureIO($input, $output);

try {
            $exitCode = $this->doRun($input, $output);
        } catch (\Exception $e) {
            if (!$this->catchExceptions) {
                throw $e;
            }

$renderException($e);

$exitCode = $e->getCode();
            if (is_numeric($exitCode)) {
                $exitCode = (int) $exitCode;
                if ($exitCode <= 0) {
                    $exitCode = 1;
                }
            } else {
                $exitCode = 1;
            }
        } finally {
            // if the exception handler changed, keep it
            // otherwise, unregister $renderException
            if (!$phpHandler) {
                if (set_exception_handler($renderException) === $renderException) {
                    restore_exception_handler();
                }
                restore_exception_handler();
            } elseif (!$errorHandler) {
                $finalHandler = $phpHandler[0]->setExceptionHandler(null);
                if ($finalHandler !== $renderException) {
                    $phpHandler[0]->setExceptionHandler($finalHandler);
                }
            }
        }

if ($this->autoExit) {
            if ($exitCode > 255) {
                $exitCode = 255;
            }

exit($exitCode);
        }

return $exitCode;
    }

/**
     * Runs the current application.
     *
     * @return int 0 if everything went fine, or an error code
     */
    public function doRun(InputInterface $input, OutputInterface $output)
    {
        if (true === $input->hasParameterOption(['--version', '-V'], true)) {
            $output->writeln($this->getLongVersion());

return 0;
        }

try {
            // Makes ArgvInput::getFirstArgument() able to distinguish an option from an argument.
            $input->bind($this->getDefinition());
        } catch (ExceptionInterface) {
            // Errors must be ignored, full binding/validation happens later when the command is known.
        }

$name = $this->getCommandName($input);
        if (true === $input->hasParameterOption(['--help', '-h'], true)) {
            if (!$name) {
                $name = 'help';
                $input = new ArrayInput(['command_name' => $this->defaultCommand]);
            } else {
                $this->wantHelps = true;
            }
        }

if (!$name) {
            $name = $this->defaultCommand;
            $definition = $this->getDefinition();
            $definition->setArguments(array_merge(
                $definition->getArguments(),
                [
                    'command' => new InputArgument('command', InputArgument::OPTIONAL, $definition->getArgument('command')->getDescription(), $name),
                ]
            ));
        }

try {
            $this->runningCommand = null;
            // the command name MUST be the first element of the input
            $command = $this->find($name);
        } catch (\Throwable $e) {
            if (($e instanceof CommandNotFoundException && !$e instanceof NamespaceNotFoundException) && 1 === \count($alternatives = $e->getAlternatives()) && $input->isInteractive()) {
                $alternative = $alternatives[0];

$style = new SymfonyStyle($input, $output);
                $output->writeln('');
                $formattedBlock = (new FormatterHelper())->formatBlock(sprintf('Command "%s" is not defined.', $name), 'error', true);
                $output->writeln($formattedBlock);
                if (!$style->confirm(sprintf('Do you want to run "%s" instead? ', $alternative), false)) {
                    if (null !== $this->dispatcher) {
                        $event = new ConsoleErrorEvent($input, $output, $e);
                        $this->dispatcher->dispatch($event, ConsoleEvents::ERROR);

return $event->getExitCode();
                    }

return 1;
                }

$command = $this->find($alternative);
            } else {
                if (null !== $this->dispatcher) {
                    $event = new ConsoleErrorEvent($input, $output, $e);
                    $this->dispatcher->dispatch($event, ConsoleEvents::ERROR);

if (0 === $event->getExitCode()) {
                        return 0;
                    }

$e = $event->getError();
                }

try {
                    if ($e instanceof CommandNotFoundException && $namespace = $this->findNamespace($name)) {
                        $helper = new DescriptorHelper();
                        $helper->describe($output instanceof ConsoleOutputInterface ? $output->getErrorOutput() : $output, $this, [
                            'format' => 'txt',
                            'raw_text' => false,
                            'namespace' => $namespace,
                            'short' => false,
                        ]);

return isset($event) ? $event->getExitCode() : 1;
                    }

throw $e;
                } catch (NamespaceNotFoundException) {
                    throw $e;
                }
            }
        }

if ($command instanceof LazyCommand) {
            $command = $command->getCommand();
        }

$this->runningCommand = $command;
        $exitCode = $this->doRunCommand($command, $input, $output);
        $this->runningCommand = null;

return $exitCode;
    }

/**
     * @return void
     */
    public function reset()
    {
    }

/**
     * @return void
     */
    public function setHelperSet(HelperSet $helperSet)
    {
        $this->helperSet = $helperSet;
    }

/**
     * Get the helper set associated with the command.
     */
    public function getHelperSet(): HelperSet
    {
        return $this->helperSet ??= $this->getDefaultHelperSet();
    }

/**
     * @return void
     */
    public function setDefinition(InputDefinition $definition)
    {
        $this->definition = $definition;
    }

/**
     * Gets the InputDefinition related to this Application.
     */
    public function getDefinition(): InputDefinition
    {
        $this->definition ??= $this->getDefaultInputDefinition();

if ($this->singleCommand) {
            $inputDefinition = $this->definition;
            $inputDefinition->setArguments();

return $inputDefinition;
        }

return $this->definition;
    }

/**
     * Adds suggestions to $suggestions for the current completion input (e.g. option or argument).
     */
    public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void
    {
        if (
            CompletionInput::TYPE_ARGUMENT_VALUE === $input->getCompletionType()
            && 'command' === $input->getCompletionName()
        ) {
            foreach ($this->all() as $name => $command) {
                // skip hidden commands and aliased commands as they already get added below
                if ($command->isHidden() || $command->getName() !== $name) {
                    continue;
                }
                $suggestions->suggestValue(new Suggestion($command->getName(), $command->getDescription()));
                foreach ($command->getAliases() as $name) {
                    $suggestions->suggestValue(new Suggestion($name, $command->getDescription()));
                }
            }

return;
        }

if (CompletionInput::TYPE_OPTION_NAME === $input->getCompletionType()) {
            $suggestions->suggestOptions($this->getDefinition()->getOptions());

return;
        }
    }

/**
     * Gets the help message.
     */
    public function getHelp(): string
    {
        return $this->getLongVersion();
    }

/**
     * Gets whether to catch exceptions or not during commands execution.
     */
    public function areExceptionsCaught(): bool
    {
        return $this->catchExceptions;
    }

/**
     * Sets whether to catch exceptions or not during commands execution.
     *
     * @return void
     */
    public function setCatchExceptions(bool $boolean)
    {
        $this->catchExceptions = $boolean;
    }

/**
     * Gets whether to automatically exit after a command execution or not.
     */
    public function isAutoExitEnabled(): bool
    {
        return $this->autoExit;
    }

/**
     * Sets whether to automatically exit after a command execution or not.
     *
     * @return void
     */
    public function setAutoExit(bool $boolean)
    {
        $this->autoExit = $boolean;
    }

/**
     * Gets the name of the application.
     */
    public function getName(): string
    {
        return $this->name;
    }

/**
     * Sets the application name.
     *
     * @return void
     */
    public function setName(string $name)
    {
        $this->name = $name;
    }

/**
     * Gets the application version.
     */
    public function getVersion(): string
    {
        return $this->version;
    }

/**
     * Sets the application version.
     *
     * @return void
     */
    public function setVersion(string $version)
    {
        $this->version = $version;
    }

/**
     * Returns the long version of the application.
     *
     * @return string
     */
    public function getLongVersion()
    {
        if ('UNKNOWN' !== $this->getName()) {
            if ('UNKNOWN' !== $this->getVersion()) {
                return sprintf('%s <info>%s</info>', $this->getName(), $this->getVersion());
            }

return $this->getName();
        }

return 'Console Tool';
    }

/**
     * Registers a new command.
     */
    public function register(string $name): Command
    {
        return $this->add(new Command($name));
    }

/**
     * Adds an array of command objects.
     *
     * If a Command is not enabled it will not be added.
     *
     * @param Command[] $commands An array of commands
     *
     * @return void
     */
    public function addCommands(array $commands)
    {
        foreach ($commands as $command) {
            $this->add($command);
        }
    }

/**
     * Adds a command object.
     *
     * If a command with the same name already exists, it will be overridden.
     * If the command is not enabled it will not be added.
     *
     * @return Command|null
     */
    public function add(Command $command)
    {
        $this->init();

$command->setApplication($this);

if (!$command->isEnabled()) {
            $command->setApplication(null);

return null;
        }

if (!$command instanceof LazyCommand) {
            // Will throw if the command is not correctly initialized.
            $command->getDefinition();
        }

if (!$command->getName()) {
            throw new LogicException(sprintf('The command defined in "%s" cannot have an empty name.', get_debug_type($command)));
        }

$this->commands[$command->getName()] = $command;

foreach ($command->getAliases() as $alias) {
            $this->commands[$alias] = $command;
        }

return $command;
    }

/**
     * Returns a registered command by name or alias.
     *
     * @return Command
     *
     * @throws CommandNotFoundException When given command name does not exist
     */
    public function get(string $name)
    {
        $this->init();

if (!$this->has($name)) {
            throw new CommandNotFoundException(sprintf('The command "%s" does not exist.', $name));
        }

// When the command has a different name than the one used at the command loader level
        if (!isset($this->commands[$name])) {
            throw new CommandNotFoundException(sprintf('The "%s" command cannot be found because it is registered under multiple names. Make sure you don\'t set a different name via constructor or "setName()".', $name));
        }

$command = $this->commands[$name];

if ($this->wantHelps) {
            $this->wantHelps = false;

$helpCommand = $this->get('help');
            $helpCommand->setCommand($command);

return $helpCommand;
        }

return $command;
    }

/**
     * Returns true if the command exists, false otherwise.
     */
    public function has(string $name): bool
    {
        $this->init();

return isset($this->commands[$name]) || ($this->commandLoader?->has($name) && $this->add($this->commandLoader->get($name)));
    }

/**
     * Returns an array of all unique namespaces used by currently registered commands.
     *
     * It does not return the global namespace which always exists.
     *
     * @return string[]
     */
    public function getNamespaces(): array
    {
        $namespaces = [];
        foreach ($this->all() as $command) {
            if ($command->isHidden()) {
                continue;
            }

$namespaces[] = $this->extractAllNamespaces($command->getName());

foreach ($command->getAliases() as $alias) {
                $namespaces[] = $this->extractAllNamespaces($alias);
            }
        }

return array_values(array_unique(array_filter(array_merge([], ...$namespaces))));
    }

/**
     * Finds a registered namespace by a name or an abbreviation.
     *
     * @throws NamespaceNotFoundException When namespace is incorrect or ambiguous
     */
    public function findNamespace(string $namespace): string
    {
        $allNamespaces = $this->getNamespaces();
        $expr = implode('[^:]*:', array_map('preg_quote', explode(':', $namespace))).'[^:]*';
        $namespaces = preg_grep('{^'.$expr.'}', $allNamespaces);

if (empty($namespaces)) {
            $message = sprintf('There are no commands defined in the "%s" namespace.', $namespace);

if ($alternatives = $this->findAlternatives($namespace, $allNamespaces)) {
                if (1 == \count($alternatives)) {
                    $message .= "\n\nDid you mean this?\n    ";
                } else {
                    $message .= "\n\nDid you mean one of these?\n    ";
                }

$message .= implode("\n    ", $alternatives);
            }

throw new NamespaceNotFoundException($message, $alternatives);
        }

$exact = \in_array($namespace, $namespaces, true);
        if (\count($namespaces) > 1 && !$exact) {
            throw new NamespaceNotFoundException(sprintf("The namespace \"%s\" is ambiguous.\nDid you mean one of these?\n%s.", $namespace, $this->getAbbreviationSuggestions(array_values($namespaces))), array_values($namespaces));
        }

return $exact ? $namespace : reset($namespaces);
    }

/**
     * Finds a command by name or alias.
     *
     * Contrary to get, this command tries to find the best
     * match if you give it an abbreviation of a name or alias.
     *
     * @return Command
     *
     * @throws CommandNotFoundException When command name is incorrect or ambiguous
     */
    public function find(string $name)
    {
        $this->init();

$aliases = [];

foreach ($this->commands as $command) {
            foreach ($command->getAliases() as $alias) {
                if (!$this->has($alias)) {
                    $this->commands[$alias] = $command;
                }
            }
        }

if ($this->has($name)) {
            return $this->get($name);
        }

$allCommands = $this->commandLoader ? array_merge($this->commandLoader->getNames(), array_keys($this->commands)) : array_keys($this->commands);
        $expr = implode('[^:]*:', array_map('preg_quote', explode(':', $name))).'[^:]*';
        $commands = preg_grep('{^'.$expr.'}', $allCommands);

if (empty($commands)) {
            $commands = preg_grep('{^'.$expr.'}i', $allCommands);
        }

// if no commands matched or we just matched namespaces
        if (empty($commands) || \count(preg_grep('{^'.$expr.'$}i', $commands)) < 1) {
            if (false !== $pos = strrpos($name, ':')) {
                // check if a namespace exists and contains commands
                $this->findNamespace(substr($name, 0, $pos));
            }

$message = sprintf('Command "%s" is not defined.', $name);

if ($alternatives = $this->findAlternatives($name, $allCommands)) {
                // remove hidden commands
                $alternatives = array_filter($alternatives, fn ($name) => !$this->get($name)->isHidden());

if (1 == \count($alternatives)) {
                    $message .= "\n\nDid you mean this?\n    ";
                } else {
                    $message .= "\n\nDid you mean one of these?\n    ";
                }
                $message .= implode("\n    ", $alternatives);
            }

throw new CommandNotFoundException($message, array_values($alternatives));
        }

// filter out aliases for commands which are already on the list
        if (\count($commands) > 1) {
            $commandList = $this->commandLoader ? array_merge(array_flip($this->commandLoader->getNames()), $this->commands) : $this->commands;
            $commands = array_unique(array_filter($commands, function ($nameOrAlias) use (&$commandList, $commands, &$aliases) {
                if (!$commandList[$nameOrAlias] instanceof Command) {
                    $commandList[$nameOrAlias] = $this->commandLoader->get($nameOrAlias);
                }

$commandName = $commandList[$nameOrAlias]->getName();

$aliases[$nameOrAlias] = $commandName;

return $commandName === $nameOrAlias || !\in_array($commandName, $commands);
            }));
        }

if (\count($commands) > 1) {
            $usableWidth = $this->terminal->getWidth() - 10;
            $abbrevs = array_values($commands);
            $maxLen = 0;
            foreach ($abbrevs as $abbrev) {
                $maxLen = max(Helper::width($abbrev), $maxLen);
            }
            $abbrevs = array_map(function ($cmd) use ($commandList, $usableWidth, $maxLen, &$commands) {
                if ($commandList[$cmd]->isHidden()) {
                    unset($commands[array_search($cmd, $commands)]);

return false;
                }

$abbrev = str_pad($cmd, $maxLen, ' ').' '.$commandList[$cmd]->getDescription();

return Helper::width($abbrev) > $usableWidth ? Helper::substr($abbrev, 0, $usableWidth - 3).'...' : $abbrev;
            }, array_values($commands));

if (\count($commands) > 1) {
                $suggestions = $this->getAbbreviationSuggestions(array_filter($abbrevs));

throw new CommandNotFoundException(sprintf("Command \"%s\" is ambiguous.\nDid you mean one of these?\n%s.", $name, $suggestions), array_values($commands));
            }
        }

$command = $this->get(reset($commands));

if ($command->isHidden()) {
            throw new CommandNotFoundException(sprintf('The command "%s" does not exist.', $name));
        }

return $command;
    }

/**
     * Gets the commands (registered in the given namespace if provided).
     *
     * The array keys are the full names and the values the command instances.
     *
     * @return Command[]
     */
    public function all(string $namespace = null)
    {
        $this->init();

if (null === $namespace) {
            if (!$this->commandLoader) {
                return $this->commands;
            }

$commands = $this->commands;
            foreach ($this->commandLoader->getNames() as $name) {
                if (!isset($commands[$name]) && $this->has($name)) {
                    $commands[$name] = $this->get($name);
                }
            }

return $commands;
        }

$commands = [];
        foreach ($this->commands as $name => $command) {
            if ($namespace === $this->extractNamespace($name, substr_count($namespace, ':') + 1)) {
                $commands[$name] = $command;
            }
        }

if ($this->commandLoader) {
            foreach ($this->commandLoader->getNames() as $name) {
                if (!isset($commands[$name]) && $namespace === $this->extractNamespace($name, substr_count($namespace, ':') + 1) && $this->has($name)) {
                    $commands[$name] = $this->get($name);
                }
            }
        }

return $commands;
    }

/**
     * Returns an array of possible abbreviations given a set of names.
     *
     * @return string[][]
     */
    public static function getAbbreviations(array $names): array
    {
        $abbrevs = [];
        foreach ($names as $name) {
            for ($len = \strlen($name); $len > 0; --$len) {
                $abbrev = substr($name, 0, $len);
                $abbrevs[$abbrev][] = $name;
            }
        }

return $abbrevs;
    }

public function renderThrowable(\Throwable $e, OutputInterface $output): void
    {
        $output->writeln('', OutputInterface::VERBOSITY_QUIET);

$this->doRenderThrowable($e, $output);

if (null !== $this->runningCommand) {
            $output->writeln(sprintf('<info>%s</info>', OutputFormatter::escape(sprintf($this->runningCommand->getSynopsis(), $this->getName()))), OutputInterface::VERBOSITY_QUIET);
            $output->writeln('', OutputInterface::VERBOSITY_QUIET);
        }
    }

protected function doRenderThrowable(\Throwable $e, OutputInterface $output): void
    {
        do {
            $message = trim($e->getMessage());
            if ('' === $message || OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) {
                $class = get_debug_type($e);
                $title = sprintf('  [%s%s]  ', $class, 0 !== ($code = $e->getCode()) ? ' ('.$code.')' : '');
                $len = Helper::width($title);
            } else {
                $len = 0;
            }

if (str_contains($message, "@anonymous\0")) {
                $message = preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]*+@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', fn ($m) => class_exists($m[0], false) ? (get_parent_class($m[0]) ?: key(class_implements($m[0])) ?: 'class').'@anonymous' : $m[0], $message);
            }

$width = $this->terminal->getWidth() ? $this->terminal->getWidth() - 1 : \PHP_INT_MAX;
            $lines = [];
            foreach ('' !== $message ? preg_split('/\r?\n/', $message) : [] as $line) {
                foreach ($this->splitStringByWidth($line, $width - 4) as $line) {
                    // pre-format lines to get the right string length
                    $lineLength = Helper::width($line) + 4;
                    $lines[] = [$line, $lineLength];

$len = max($lineLength, $len);
                }
            }

$messages = [];
            if (!$e instanceof ExceptionInterface || OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) {
                $messages[] = sprintf('<comment>%s</comment>', OutputFormatter::escape(sprintf('In %s line %s:', basename($e->getFile()) ?: 'n/a', $e->getLine() ?: 'n/a')));
            }
            $messages[] = $emptyLine = sprintf('<error>%s</error>', str_repeat(' ', $len));
            if ('' === $message || OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) {
                $messages[] = sprintf('<error>%s%s</error>', $title, str_repeat(' ', max(0, $len - Helper::width($title))));
            }
            foreach ($lines as $line) {
                $messages[] = sprintf('<error>  %s  %s</error>', OutputFormatter::escape($line[0]), str_repeat(' ', $len - $line[1]));
            }
            $messages[] = $emptyLine;
            $messages[] = '';

$output->writeln($messages, OutputInterface::VERBOSITY_QUIET);

if (OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) {
                $output->writeln('<comment>Exception trace:</comment>', OutputInterface::VERBOSITY_QUIET);

// exception related properties
                $trace = $e->getTrace();

array_unshift($trace, [
                    'function' => '',
                    'file' => $e->getFile() ?: 'n/a',
                    'line' => $e->getLine() ?: 'n/a',
                    'args' => [],
                ]);

for ($i = 0, $count = \count($trace); $i < $count; ++$i) {
                    $class = $trace[$i]['class'] ?? '';
                    $type = $trace[$i]['type'] ?? '';
                    $function = $trace[$i]['function'] ?? '';
                    $file = $trace[$i]['file'] ?? 'n/a';
                    $line = $trace[$i]['line'] ?? 'n/a';

$output->writeln(sprintf(' %s%s at <info>%s:%s</info>', $class, $function ? $type.$function.'()' : '', $file, $line), OutputInterface::VERBOSITY_QUIET);
                }

$output->writeln('', OutputInterface::VERBOSITY_QUIET);
            }
        } while ($e = $e->getPrevious());
    }

/**
     * Configures the input and output instances based on the user arguments and options.
     *
     * @return void
     */
    protected function configureIO(InputInterface $input, OutputInterface $output)
    {
        if (true === $input->hasParameterOption(['--ansi'], true)) {
            $output->setDecorated(true);
        } elseif (true === $input->hasParameterOption(['--no-ansi'], true)) {
            $output->setDecorated(false);
        }

if (true === $input->hasParameterOption(['--no-interaction', '-n'], true)) {
            $input->setInteractive(false);
        }

switch ($shellVerbosity = (int) getenv('SHELL_VERBOSITY')) {
            case -1:
                $output->setVerbosity(OutputInterface::VERBOSITY_QUIET);
                break;
            case 1:
                $output->setVerbosity(OutputInterface::VERBOSITY_VERBOSE);
                break;
            case 2:
                $output->setVerbosity(OutputInterface::VERBOSITY_VERY_VERBOSE);
                break;
            case 3:
                $output->setVerbosity(OutputInterface::VERBOSITY_DEBUG);
                break;
            default:
                $shellVerbosity = 0;
                break;
        }

if (true === $input->hasParameterOption(['--quiet', '-q'], true)) {
            $output->setVerbosity(OutputInterface::VERBOSITY_QUIET);
            $shellVerbosity = -1;
        } else {
            if ($input->hasParameterOption('-vvv', true) || $input->hasParameterOption('--verbose=3', true) || 3 === $input->getParameterOption('--verbose', false, true)) {
                $output->setVerbosity(OutputInterface::VERBOSITY_DEBUG);
                $shellVerbosity = 3;
            } elseif ($input->hasParameterOption('-vv', true) || $input->hasParameterOption('--verbose=2', true) || 2 === $input->getParameterOption('--verbose', false, true)) {
                $output->setVerbosity(OutputInterface::VERBOSITY_VERY_VERBOSE);
                $shellVerbosity = 2;
            } elseif ($input->hasParameterOption('-v', true) || $input->hasParameterOption('--verbose=1', true) || $input->hasParameterOption('--verbose', true) || $input->getParameterOption('--verbose', false, true)) {
                $output->setVerbosity(OutputInterface::VERBOSITY_VERBOSE);
                $shellVerbosity = 1;
            }
        }

if (-1 === $shellVerbosity) {
            $input->setInteractive(false);
        }

if (\function_exists('putenv')) {
            @putenv('SHELL_VERBOSITY='.$shellVerbosity);
        }
        $_ENV['SHELL_VERBOSITY'] = $shellVerbosity;
        $_SERVER['SHELL_VERBOSITY'] = $shellVerbosity;
    }

/**
     * Runs the current command.
     *
     * If an event dispatcher has been attached to the application,
     * events are also dispatched during the life-cycle of the command.
     *
     * @return int 0 if everything went fine, or an error code
     */
    protected function doRunCommand(Command $command, InputInterface $input, OutputInterface $output)
    {
        foreach ($command->getHelperSet() as $helper) {
            if ($helper instanceof InputAwareInterface) {
                $helper->setInput($input);
            }
        }

$commandSignals = $command instanceof SignalableCommandInterface ? $command->getSubscribedSignals() : [];
        if ($commandSignals || $this->dispatcher && $this->signalsToDispatchEvent) {
            if (!$this->signalRegistry) {
                throw new RuntimeException('Unable to subscribe to signal events. Make sure that the "pcntl" extension is installed and that "pcntl_*" functions are not disabled by your php.ini\'s "disable_functions" directive.');
            }

if (Terminal::hasSttyAvailable()) {
                $sttyMode = shell_exec('stty -g');

foreach ([\SIGINT, \SIGTERM] as $signal) {
                    $this->signalRegistry->register($signal, static fn () => shell_exec('stty '.$sttyMode));
                }
            }

if ($this->dispatcher) {
                // We register application signals, so that we can dispatch the event
                foreach ($this->signalsToDispatchEvent as $signal) {
                    $event = new ConsoleSignalEvent($command, $input, $output, $signal);

$this->signalRegistry->register($signal, function ($signal) use ($event, $command, $commandSignals) {
                        $this->dispatcher->dispatch($event, ConsoleEvents::SIGNAL);
                        $exitCode = $event->getExitCode();

// If the command is signalable, we call the handleSignal() method
                        if (\in_array($signal, $commandSignals, true)) {
                            $exitCode = $command->handleSignal($signal, $exitCode);
                            // BC layer for Symfony <= 5
                            if (null === $exitCode) {
                                trigger_deprecation('symfony/console', '6.3', 'Not returning an exit code from "%s::handleSignal()" is deprecated, return "false" to keep the command running or "0" to exit successfully.', get_debug_type($command));
                                $exitCode = 0;
                            }
                        }

if (false !== $exitCode) {
                            exit($exitCode);
                        }
                    });
                }

// then we register command signals, but not if already handled after the dispatcher
                $commandSignals = array_diff($commandSignals, $this->signalsToDispatchEvent);
            }

foreach ($commandSignals as $signal) {
                $this->signalRegistry->register($signal, function (int $signal) use ($command): void {
                    $exitCode = $command->handleSignal($signal);
                    // BC layer for Symfony <= 5
                    if (null === $exitCode) {
                        trigger_deprecation('symfony/console', '6.3', 'Not returning an exit code from "%s::handleSignal()" is deprecated, return "false" to keep the command running or "0" to exit successfully.', get_debug_type($command));
                        $exitCode = 0;
                    }

if (false !== $exitCode) {
                        exit($exitCode);
                    }
                });
            }
        }

if (null === $this->dispatcher) {
            return $command->run($input, $output);
        }

// bind before the console.command event, so the listeners have access to input options/arguments
        try {
            $command->mergeApplicationDefinition();
            $input->bind($command->getDefinition());
        } catch (ExceptionInterface) {
            // ignore invalid options/arguments for now, to allow the event listeners to customize the InputDefinition
        }

$event = new ConsoleCommandEvent($command, $input, $output);
        $e = null;

try {
            $this->dispatcher->dispatch($event, ConsoleEvents::COMMAND);

if ($event->commandShouldRun()) {
                $exitCode = $command->run($input, $output);
            } else {
                $exitCode = ConsoleCommandEvent::RETURN_CODE_DISABLED;
            }
        } catch (\Throwable $e) {
            $event = new ConsoleErrorEvent($input, $output, $e, $command);
            $this->dispatcher->dispatch($event, ConsoleEvents::ERROR);
            $e = $event->getError();

if (0 === $exitCode = $event->getExitCode()) {
                $e = null;
            }
        }

$event = new ConsoleTerminateEvent($command, $input, $output, $exitCode);
        $this->dispatcher->dispatch($event, ConsoleEvents::TERMINATE);

if (null !== $e) {
            throw $e;
        }

return $event->getExitCode();
    }

/**
     * Gets the name of the command based on input.
     */
    protected function getCommandName(InputInterface $input): ?string
    {
        return $this->singleCommand ? $this->defaultCommand : $input->getFirstArgument();
    }

/**
     * Gets the default input definition.
     */
    protected function getDefaultInputDefinition(): InputDefinition
    {
        return new InputDefinition([
            new InputArgument('command', InputArgument::REQUIRED, 'The command to execute'),
            new InputOption('--help', '-h', InputOption::VALUE_NONE, 'Display help for the given command. When no command is given display help for the <info>'.$this->defaultCommand.'</info> command'),
            new InputOption('--quiet', '-q', InputOption::VALUE_NONE, 'Do not output any message'),
            new InputOption('--verbose', '-v|vv|vvv', InputOption::VALUE_NONE, 'Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug'),
            new InputOption('--version', '-V', InputOption::VALUE_NONE, 'Display this application version'),
            new InputOption('--ansi', '', InputOption::VALUE_NEGATABLE, 'Force (or disable --no-ansi) ANSI output', null),
            new InputOption('--no-interaction', '-n', InputOption::VALUE_NONE, 'Do not ask any interactive question'),
        ]);
    }

/**
     * Gets the default commands that should always be available.
     *
     * @return Command[]
     */
    protected function getDefaultCommands(): array
    {
        return [new HelpCommand(), new ListCommand(), new CompleteCommand(), new DumpCompletionCommand()];
    }

/**
     * Gets the default helper set with the helpers that should always be available.
     */
    protected function getDefaultHelperSet(): HelperSet
    {
        return new HelperSet([
            new FormatterHelper(),
            new DebugFormatterHelper(),
            new ProcessHelper(),
            new QuestionHelper(),
        ]);
    }

/**
     * Returns abbreviated suggestions in string format.
     */
    private function getAbbreviationSuggestions(array $abbrevs): string
    {
        return '    '.implode("\n    ", $abbrevs);
    }

/**
     * Returns the namespace part of the command name.
     *
     * This method is not part of public API and should not be used directly.
     */
    public function extractNamespace(string $name, int $limit = null): string
    {
        $parts = explode(':', $name, -1);

return implode(':', null === $limit ? $parts : \array_slice($parts, 0, $limit));
    }

/**
     * Finds alternative of $name among $collection,
     * if nothing is found in $collection, try in $abbrevs.
     *
     * @return string[]
     */
    private function findAlternatives(string $name, iterable $collection): array
    {
        $threshold = 1e3;
        $alternatives = [];

$collectionParts = [];
        foreach ($collection as $item) {
            $collectionParts[$item] = explode(':', $item);
        }

foreach (explode(':', $name) as $i => $subname) {
            foreach ($collectionParts as $collectionName => $parts) {
                $exists = isset($alternatives[$collectionName]);
                if (!isset($parts[$i]) && $exists) {
                    $alternatives[$collectionName] += $threshold;
                    continue;
                } elseif (!isset($parts[$i])) {
                    continue;
                }

$lev = levenshtein($subname, $parts[$i]);
                if ($lev <= \strlen($subname) / 3 || '' !== $subname && str_contains($parts[$i], $subname)) {
                    $alternatives[$collectionName] = $exists ? $alternatives[$collectionName] + $lev : $lev;
                } elseif ($exists) {
                    $alternatives[$collectionName] += $threshold;
                }
            }
        }

foreach ($collection as $item) {
            $lev = levenshtein($name, $item);
            if ($lev <= \strlen($name) / 3 || str_contains($item, $name)) {
                $alternatives[$item] = isset($alternatives[$item]) ? $alternatives[$item] - $lev : $lev;
            }
        }

$alternatives = array_filter($alternatives, fn ($lev) => $lev < 2 * $threshold);
        ksort($alternatives, \SORT_NATURAL | \SORT_FLAG_CASE);

return array_keys($alternatives);
    }

/**
     * Sets the default Command name.
     *
     * @return $this
     */
    public function setDefaultCommand(string $commandName, bool $isSingleCommand = false): static
    {
        $this->defaultCommand = explode('|', ltrim($commandName, '|'))[0];

if ($isSingleCommand) {
            // Ensure the command exist
            $this->find($commandName);

$this->singleCommand = true;
        }

return $this;
    }

/**
     * @internal
     */
    public function isSingleCommand(): bool
    {
        return $this->singleCommand;
    }

private function splitStringByWidth(string $string, int $width): array
    {
        // str_split is not suitable for multi-byte characters, we should use preg_split to get char array properly.
        // additionally, array_slice() is not enough as some character has doubled width.
        // we need a function to split string not by character count but by string width
        if (false === $encoding = mb_detect_encoding($string, null, true)) {
            return str_split($string, $width);
        }

$utf8String = mb_convert_encoding($string, 'utf8', $encoding);
        $lines = [];
        $line = '';

$offset = 0;
        while (preg_match('/.{1,10000}/u', $utf8String, $m, 0, $offset)) {
            $offset += \strlen($m[0]);

foreach (preg_split('//u', $m[0]) as $char) {
                // test if $char could be appended to current line
                if (mb_strwidth($line.$char, 'utf8') <= $width) {
                    $line .= $char;
                    continue;
                }
                // if not, push current line to array and make new line
                $lines[] = str_pad($line, $width);
                $line = $char;
            }
        }

$lines[] = \count($lines) ? str_pad($line, $width) : $line;

mb_convert_variables($encoding, 'utf8', $lines);

return $lines;
    }

/**
     * Returns all namespaces of the command name.
     *
     * @return string[]
     */
    private function extractAllNamespaces(string $name): array
    {
        // -1 as third argument is needed to skip the command short name when exploding
        $parts = explode(':', $name, -1);
        $namespaces = [];

foreach ($parts as $part) {
            if (\count($namespaces)) {
                $namespaces[] = end($namespaces).':'.$part;
            } else {
                $namespaces[] = $part;
            }
        }

return $namespaces;
    }

private function init(): void
    {
        if ($this->initialized) {
            return;
        }
        $this->initialized = true;

foreach ($this->getDefaultCommands() as $command) {
            $this->add($command);
        }
    }
}

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