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Application.php
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<?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\ConsoleAlarmEvent;
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 ?CommandLoaderInterface $commandLoader = null;
private bool $catchExceptions = true;
private bool $catchErrors = false;
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 = [];
private ?int $alarmInterval = null;
public function __construct(
private string $name = 'UNKNOWN',
private string $version = 'UNKNOWN',
) {
$this->terminal = new Terminal();
$this->defaultCommand = 'list';
if (\defined('SIGINT') && SignalRegistry::isSupported()) {
$this->signalRegistry = new SignalRegistry();
$this->signalsToDispatchEvent = [\SIGINT, \SIGQUIT, \SIGTERM, \SIGUSR1, \SIGUSR2, \SIGALRM];
}
}
/**
* @final
*/
public function setDispatcher(EventDispatcherInterface $dispatcher): void
{
$this->dispatcher = $dispatcher;
}
public function setCommandLoader(CommandLoaderInterface $commandLoader): void
{
$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 $this->signalRegistry;
}
public function setSignalsToDispatchEvent(int ...$signalsToDispatchEvent): void
{
$this->signalsToDispatchEvent = $signalsToDispatchEvent;
}
/**
* Sets the interval to schedule a SIGALRM signal in seconds.
*/
public function setAlarmInterval(?int $seconds): void
{
$this->alarmInterval = $seconds;
$this->scheduleAlarm();
}
/**
* Gets the interval in seconds on which a SIGALRM signal is dispatched.
*/
public function getAlarmInterval(): ?int
{
return $this->alarmInterval;
}
private function scheduleAlarm(): void
{
if (null !== $this->alarmInterval) {
$this->getSignalRegistry()->scheduleAlarm($this->alarmInterval);
}
}
/**
* 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);
}
}
try {
$this->configureIO($input, $output);
$exitCode = $this->doRun($input, $output);
} catch (\Throwable $e) {
if ($e instanceof \Exception && !$this->catchExceptions) {
throw $e;
}
if (!$e instanceof \Exception && !$this->catchErrors) {
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): int
{
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;
}
public function reset(): void
{
}
public function setHelperSet(HelperSet $helperSet): void
{
$this->helperSet = $helperSet;
}
/**
* Get the helper set associated with the command.
*/
public function getHelperSet(): HelperSet
{
return $this->helperSet ??= $this->getDefaultHelperSet();
}
public function setDefinition(InputDefinition $definition): void
{
$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());
}
}
/**
* 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.
*/
public function setCatchExceptions(bool $boolean): void
{
$this->catchExceptions = $boolean;
}
/**
* Sets whether to catch errors or not during commands execution.
*/
public function setCatchErrors(bool $catchErrors = true): void
{
$this->catchErrors = $catchErrors;
}
/**
* 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.
*/
public function setAutoExit(bool $boolean): void
{
$this->autoExit = $boolean;
}
/**
* Gets the name of the application.
*/
public function getName(): string
{
return $this->name;
}
/**
* Sets the application name.
*/
public function setName(string $name): void
{
$this->name = $name;
}
/**
* Gets the application version.
*/
public function getVersion(): string
{
return $this->version;
}
/**
* Sets the application version.
*/
public function setVersion(string $version): void
{
$this->version = $version;
}
/**
* Returns the long version of the application.
*/
public function getLongVersion(): string
{
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
*/
public function addCommands(array $commands): void
{
foreach ($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.
*/
public function add(Command $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.
*
* @throws CommandNotFoundException When given command name does not exist
*/
public function get(string $name): Command
{
$this->init();
if (!$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.'}', $allNamespaces);
if (!$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.
*
* @throws CommandNotFoundException When command name is incorrect or ambiguous
*/
public function find(string $name): Command
{
$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.'}', $allCommands);
if (!$commands) {
$commands = preg_grep('{^'.$expr.'}i', $allCommands);
}
// if no commands matched or we just matched namespaces
if (!$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, $commands, true);
}));
}
if (\count($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): array
{
$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.
*/
protected function configureIO(InputInterface $input, OutputInterface $output): void
{
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 -2:
$output->setVerbosity(OutputInterface::VERBOSITY_SILENT);
break;
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(['--silent'], true)) {
$output->setVerbosity(OutputInterface::VERBOSITY_SILENT);
$shellVerbosity = -2;
} elseif (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 (0 > $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 $output): int
{
foreach ($command->getHelperSet() as $helper) {
if ($helper instanceof InputAwareInterface) {
$helper->setInput($input);
}
}
$commandSignals = $command instanceof SignalableCommandInterface ? $command->getSubscribedSignals() : [];
if ($commandSignals || $this->dispatcher && $this->signalsToDispatchEvent) {
$signalRegistry = $this->getSignalRegistry();
if (Terminal::hasSttyAvailable()) {
$sttyMode = shell_exec('stty -g');
foreach ([\SIGINT, \SIGQUIT, \SIGTERM] as $signal) {
$signalRegistry->register($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) {
$signalEvent = new ConsoleSignalEvent($command, $input, $output, $signal);
$alarmEvent = \SIGALRM === $signal ? new ConsoleAlarmEvent($command, $input, $output) : null;
$signalRegistry->register($signal, function ($signal) use ($signalEvent, $alarmEvent, $command, $commandSignals, $input, $output) {
$this->dispatcher->dispatch($signalEvent, ConsoleEvents::SIGNAL);
$exitCode = $signalEvent->getExitCode();
if (null !== $alarmEvent) {
if (false !== $exitCode) {
$alarmEvent->setExitCode($exitCode);
} else {
$alarmEvent->abortExit();
}
$this->dispatcher->dispatch($alarmEvent);
$exitCode = $alarmEvent->getExitCode();
}
// If the command is signalable, we call the handleSignal() method
if (\in_array($signal, $commandSignals, true)) {
$exitCode = $command->handleSignal($signal, $exitCode);
}
if (\SIGALRM === $signal) {
$this->scheduleAlarm();
}
if (false !== $exitCode) {
$event = new ConsoleTerminateEvent($command, $input, $output, $exitCode, $signal);
$this->dispatcher->dispatch($event, ConsoleEvents::TERMINATE);
exit($event->getExitCode());
}
});
}
// then we register command signals, but not if already handled after the dispatcher
$commandSignals = array_diff($commandSignals, $this->signalsToDispatchEvent);
}
foreach ($commandSignals as $signal) {
$signalRegistry->register($signal, function (int $signal) use ($command): void {
if (\SIGALRM === $signal) {
$this->scheduleAlarm();
}
if (false !== $exitCode = $command->handleSignal($signal)) {
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('--silent', null, InputOption::VALUE_NONE, 'Do not output any message'),
new InputOption('--quiet', '-q', InputOption::VALUE_NONE, 'Only errors are displayed. All other output is suppressed'),
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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