mirror of
https://github.com/YunoHost-Apps/kanboard_ynh.git
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697 lines
18 KiB
PHP
697 lines
18 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Console\Command;
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use Symfony\Component\Console\Descriptor\TextDescriptor;
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use Symfony\Component\Console\Descriptor\XmlDescriptor;
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use Symfony\Component\Console\Input\InputDefinition;
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use Symfony\Component\Console\Input\InputOption;
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use Symfony\Component\Console\Input\InputArgument;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Output\BufferedOutput;
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use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Console\Application;
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use Symfony\Component\Console\Helper\HelperSet;
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/**
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* Base class for all commands.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @api
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*/
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class Command
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{
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private $application;
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private $name;
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private $processTitle;
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private $aliases = array();
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private $definition;
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private $help;
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private $description;
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private $ignoreValidationErrors = false;
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private $applicationDefinitionMerged = false;
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private $applicationDefinitionMergedWithArgs = false;
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private $code;
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private $synopsis = array();
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private $usages = array();
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private $helperSet;
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/**
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* Constructor.
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*
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* @param string|null $name The name of the command; passing null means it must be set in configure()
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*
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* @throws \LogicException When the command name is empty
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*
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* @api
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*/
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public function __construct($name = null)
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{
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$this->definition = new InputDefinition();
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if (null !== $name) {
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$this->setName($name);
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}
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$this->configure();
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if (!$this->name) {
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throw new \LogicException(sprintf('The command defined in "%s" cannot have an empty name.', get_class($this)));
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}
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}
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/**
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* Ignores validation errors.
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*
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* This is mainly useful for the help command.
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*/
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public function ignoreValidationErrors()
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{
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$this->ignoreValidationErrors = true;
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}
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/**
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* Sets the application instance for this command.
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*
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* @param Application $application An Application instance
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*
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* @api
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*/
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public function setApplication(Application $application = null)
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{
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$this->application = $application;
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if ($application) {
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$this->setHelperSet($application->getHelperSet());
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} else {
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$this->helperSet = null;
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}
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}
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/**
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* Sets the helper set.
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*
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* @param HelperSet $helperSet A HelperSet instance
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*/
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public function setHelperSet(HelperSet $helperSet)
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{
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$this->helperSet = $helperSet;
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}
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/**
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* Gets the helper set.
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*
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* @return HelperSet A HelperSet instance
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*/
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public function getHelperSet()
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{
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return $this->helperSet;
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}
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/**
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* Gets the application instance for this command.
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*
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* @return Application An Application instance
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*
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* @api
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*/
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public function getApplication()
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{
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return $this->application;
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}
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/**
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* Checks whether the command is enabled or not in the current environment.
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*
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* Override this to check for x or y and return false if the command can not
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* run properly under the current conditions.
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*
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* @return bool
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*/
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public function isEnabled()
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{
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return true;
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}
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/**
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* Configures the current command.
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*/
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protected function configure()
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{
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}
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/**
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* Executes the current command.
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*
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* This method is not abstract because you can use this class
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* as a concrete class. In this case, instead of defining the
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* execute() method, you set the code to execute by passing
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* a Closure to the setCode() method.
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*
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* @param InputInterface $input An InputInterface instance
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* @param OutputInterface $output An OutputInterface instance
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*
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* @return null|int null or 0 if everything went fine, or an error code
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*
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* @throws \LogicException When this abstract method is not implemented
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*
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* @see setCode()
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*/
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protected function execute(InputInterface $input, OutputInterface $output)
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{
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throw new \LogicException('You must override the execute() method in the concrete command class.');
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}
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/**
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* Interacts with the user.
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*
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* This method is executed before the InputDefinition is validated.
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* This means that this is the only place where the command can
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* interactively ask for values of missing required arguments.
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*
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* @param InputInterface $input An InputInterface instance
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* @param OutputInterface $output An OutputInterface instance
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*/
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protected function interact(InputInterface $input, OutputInterface $output)
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{
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}
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/**
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* Initializes the command just after the input has been validated.
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*
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* This is mainly useful when a lot of commands extends one main command
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* where some things need to be initialized based on the input arguments and options.
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*
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* @param InputInterface $input An InputInterface instance
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* @param OutputInterface $output An OutputInterface instance
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*/
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protected function initialize(InputInterface $input, OutputInterface $output)
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{
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}
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/**
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* Runs the command.
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*
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* The code to execute is either defined directly with the
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* setCode() method or by overriding the execute() method
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* in a sub-class.
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*
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* @param InputInterface $input An InputInterface instance
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* @param OutputInterface $output An OutputInterface instance
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*
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* @return int The command exit code
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*
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* @throws \Exception
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*
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* @see setCode()
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* @see execute()
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*
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* @api
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*/
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public function run(InputInterface $input, OutputInterface $output)
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{
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// force the creation of the synopsis before the merge with the app definition
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$this->getSynopsis(true);
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$this->getSynopsis(false);
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// add the application arguments and options
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$this->mergeApplicationDefinition();
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// bind the input against the command specific arguments/options
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try {
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$input->bind($this->definition);
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} catch (\Exception $e) {
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if (!$this->ignoreValidationErrors) {
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throw $e;
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}
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}
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$this->initialize($input, $output);
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if (null !== $this->processTitle) {
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if (function_exists('cli_set_process_title')) {
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cli_set_process_title($this->processTitle);
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} elseif (function_exists('setproctitle')) {
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setproctitle($this->processTitle);
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} elseif (OutputInterface::VERBOSITY_VERY_VERBOSE === $output->getVerbosity()) {
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$output->writeln('<comment>Install the proctitle PECL to be able to change the process title.</comment>');
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}
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}
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if ($input->isInteractive()) {
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$this->interact($input, $output);
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}
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$input->validate();
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if ($this->code) {
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$statusCode = call_user_func($this->code, $input, $output);
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} else {
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$statusCode = $this->execute($input, $output);
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}
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return is_numeric($statusCode) ? (int) $statusCode : 0;
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}
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/**
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* Sets the code to execute when running this command.
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*
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* If this method is used, it overrides the code defined
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* in the execute() method.
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*
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* @param callable $code A callable(InputInterface $input, OutputInterface $output)
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*
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* @return Command The current instance
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*
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* @throws \InvalidArgumentException
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*
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* @see execute()
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*
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* @api
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*/
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public function setCode($code)
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{
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if (!is_callable($code)) {
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throw new \InvalidArgumentException('Invalid callable provided to Command::setCode.');
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}
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$this->code = $code;
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return $this;
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}
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/**
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* Merges the application definition with the command definition.
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*
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* This method is not part of public API and should not be used directly.
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*
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* @param bool $mergeArgs Whether to merge or not the Application definition arguments to Command definition arguments
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*/
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public function mergeApplicationDefinition($mergeArgs = true)
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{
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if (null === $this->application || (true === $this->applicationDefinitionMerged && ($this->applicationDefinitionMergedWithArgs || !$mergeArgs))) {
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return;
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}
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if ($mergeArgs) {
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$currentArguments = $this->definition->getArguments();
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$this->definition->setArguments($this->application->getDefinition()->getArguments());
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$this->definition->addArguments($currentArguments);
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}
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$this->definition->addOptions($this->application->getDefinition()->getOptions());
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$this->applicationDefinitionMerged = true;
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if ($mergeArgs) {
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$this->applicationDefinitionMergedWithArgs = true;
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}
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}
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/**
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* Sets an array of argument and option instances.
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*
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* @param array|InputDefinition $definition An array of argument and option instances or a definition instance
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*
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* @return Command The current instance
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*
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* @api
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*/
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public function setDefinition($definition)
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{
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if ($definition instanceof InputDefinition) {
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$this->definition = $definition;
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} else {
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$this->definition->setDefinition($definition);
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}
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$this->applicationDefinitionMerged = false;
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return $this;
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}
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/**
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* Gets the InputDefinition attached to this Command.
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*
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* @return InputDefinition An InputDefinition instance
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*
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* @api
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*/
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public function getDefinition()
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{
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return $this->definition;
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}
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/**
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* Gets the InputDefinition to be used to create XML and Text representations of this Command.
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*
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* Can be overridden to provide the original command representation when it would otherwise
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* be changed by merging with the application InputDefinition.
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*
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* This method is not part of public API and should not be used directly.
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*
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* @return InputDefinition An InputDefinition instance
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*/
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public function getNativeDefinition()
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{
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return $this->getDefinition();
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}
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/**
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* Adds an argument.
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*
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* @param string $name The argument name
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* @param int $mode The argument mode: InputArgument::REQUIRED or InputArgument::OPTIONAL
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* @param string $description A description text
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* @param mixed $default The default value (for InputArgument::OPTIONAL mode only)
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*
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* @return Command The current instance
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*
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* @api
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*/
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public function addArgument($name, $mode = null, $description = '', $default = null)
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{
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$this->definition->addArgument(new InputArgument($name, $mode, $description, $default));
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return $this;
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}
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/**
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* Adds an option.
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*
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* @param string $name The option name
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* @param string $shortcut The shortcut (can be null)
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* @param int $mode The option mode: One of the InputOption::VALUE_* constants
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* @param string $description A description text
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* @param mixed $default The default value (must be null for InputOption::VALUE_REQUIRED or InputOption::VALUE_NONE)
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*
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* @return Command The current instance
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*
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* @api
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*/
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public function addOption($name, $shortcut = null, $mode = null, $description = '', $default = null)
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{
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$this->definition->addOption(new InputOption($name, $shortcut, $mode, $description, $default));
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return $this;
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}
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/**
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* Sets the name of the command.
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*
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* This method can set both the namespace and the name if
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* you separate them by a colon (:)
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*
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* $command->setName('foo:bar');
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*
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* @param string $name The command name
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*
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* @return Command The current instance
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*
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* @throws \InvalidArgumentException When the name is invalid
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*
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* @api
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*/
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public function setName($name)
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{
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$this->validateName($name);
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$this->name = $name;
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return $this;
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}
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/**
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* Sets the process title of the command.
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*
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* This feature should be used only when creating a long process command,
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* like a daemon.
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*
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* PHP 5.5+ or the proctitle PECL library is required
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*
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* @param string $title The process title
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*
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* @return Command The current instance
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*/
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public function setProcessTitle($title)
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{
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$this->processTitle = $title;
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return $this;
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}
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/**
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* Returns the command name.
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*
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* @return string The command name
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*
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* @api
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*/
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public function getName()
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{
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return $this->name;
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}
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/**
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* Sets the description for the command.
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*
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* @param string $description The description for the command
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*
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* @return Command The current instance
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*
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* @api
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*/
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public function setDescription($description)
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{
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$this->description = $description;
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return $this;
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}
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/**
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* Returns the description for the command.
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*
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* @return string The description for the command
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*
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* @api
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*/
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public function getDescription()
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{
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return $this->description;
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}
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/**
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* Sets the help for the command.
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*
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* @param string $help The help for the command
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*
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* @return Command The current instance
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*
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* @api
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*/
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public function setHelp($help)
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{
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$this->help = $help;
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return $this;
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}
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/**
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* Returns the help for the command.
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*
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* @return string The help for the command
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*
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* @api
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*/
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public function getHelp()
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{
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return $this->help;
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}
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/**
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* Returns the processed help for the command replacing the %command.name% and
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* %command.full_name% patterns with the real values dynamically.
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*
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* @return string The processed help for the command
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*/
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public function getProcessedHelp()
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{
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$name = $this->name;
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$placeholders = array(
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'%command.name%',
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'%command.full_name%',
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);
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$replacements = array(
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$name,
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$_SERVER['PHP_SELF'].' '.$name,
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);
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return str_replace($placeholders, $replacements, $this->getHelp());
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}
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/**
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* Sets the aliases for the command.
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*
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* @param string[] $aliases An array of aliases for the command
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*
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* @return Command The current instance
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*
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* @throws \InvalidArgumentException When an alias is invalid
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*
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* @api
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*/
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public function setAliases($aliases)
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{
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if (!is_array($aliases) && !$aliases instanceof \Traversable) {
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throw new \InvalidArgumentException('$aliases must be an array or an instance of \Traversable');
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}
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foreach ($aliases as $alias) {
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$this->validateName($alias);
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}
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$this->aliases = $aliases;
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return $this;
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}
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/**
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* Returns the aliases for the command.
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*
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* @return array An array of aliases for the command
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*
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* @api
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*/
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public function getAliases()
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{
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return $this->aliases;
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}
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/**
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* Returns the synopsis for the command.
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*
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* @param bool $short Whether to show the short version of the synopsis (with options folded) or not
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*
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* @return string The synopsis
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*/
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public function getSynopsis($short = false)
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{
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$key = $short ? 'short' : 'long';
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if (!isset($this->synopsis[$key])) {
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$this->synopsis[$key] = trim(sprintf('%s %s', $this->name, $this->definition->getSynopsis($short)));
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}
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return $this->synopsis[$key];
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}
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|
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/**
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* Add a command usage example.
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*
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* @param string $usage The usage, it'll be prefixed with the command name
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*/
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public function addUsage($usage)
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{
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if (0 !== strpos($usage, $this->name)) {
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$usage = sprintf('%s %s', $this->name, $usage);
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}
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$this->usages[] = $usage;
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return $this;
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}
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|
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/**
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* Returns alternative usages of the command.
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|
*
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* @return array
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*/
|
|
public function getUsages()
|
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{
|
|
return $this->usages;
|
|
}
|
|
|
|
/**
|
|
* Gets a helper instance by name.
|
|
*
|
|
* @param string $name The helper name
|
|
*
|
|
* @return mixed The helper value
|
|
*
|
|
* @throws \InvalidArgumentException if the helper is not defined
|
|
*
|
|
* @api
|
|
*/
|
|
public function getHelper($name)
|
|
{
|
|
return $this->helperSet->get($name);
|
|
}
|
|
|
|
/**
|
|
* Returns a text representation of the command.
|
|
*
|
|
* @return string A string representing the command
|
|
*
|
|
* @deprecated since version 2.3, to be removed in 3.0.
|
|
*/
|
|
public function asText()
|
|
{
|
|
@trigger_error('The '.__METHOD__.' method is deprecated since version 2.3 and will be removed in 3.0.', E_USER_DEPRECATED);
|
|
|
|
$descriptor = new TextDescriptor();
|
|
$output = new BufferedOutput(BufferedOutput::VERBOSITY_NORMAL, true);
|
|
$descriptor->describe($output, $this, array('raw_output' => true));
|
|
|
|
return $output->fetch();
|
|
}
|
|
|
|
/**
|
|
* Returns an XML representation of the command.
|
|
*
|
|
* @param bool $asDom Whether to return a DOM or an XML string
|
|
*
|
|
* @return string|\DOMDocument An XML string representing the command
|
|
*
|
|
* @deprecated since version 2.3, to be removed in 3.0.
|
|
*/
|
|
public function asXml($asDom = false)
|
|
{
|
|
@trigger_error('The '.__METHOD__.' method is deprecated since version 2.3 and will be removed in 3.0.', E_USER_DEPRECATED);
|
|
|
|
$descriptor = new XmlDescriptor();
|
|
|
|
if ($asDom) {
|
|
return $descriptor->getCommandDocument($this);
|
|
}
|
|
|
|
$output = new BufferedOutput();
|
|
$descriptor->describe($output, $this);
|
|
|
|
return $output->fetch();
|
|
}
|
|
|
|
/**
|
|
* Validates a command name.
|
|
*
|
|
* It must be non-empty and parts can optionally be separated by ":".
|
|
*
|
|
* @param string $name
|
|
*
|
|
* @throws \InvalidArgumentException When the name is invalid
|
|
*/
|
|
private function validateName($name)
|
|
{
|
|
if (!preg_match('/^[^\:]++(\:[^\:]++)*$/', $name)) {
|
|
throw new \InvalidArgumentException(sprintf('Command name "%s" is invalid.', $name));
|
|
}
|
|
}
|
|
}
|