744 lines
23 KiB
PHP
744 lines
23 KiB
PHP
<?php
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namespace Symfony\Component\Console;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Input\ArgvInput;
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use Symfony\Component\Console\Input\ArrayInput;
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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\Output\OutputInterface;
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use Symfony\Component\Console\Output\Output;
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use Symfony\Component\Console\Output\ConsoleOutput;
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use Symfony\Component\Console\Command\Command;
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use Symfony\Component\Console\Command\HelpCommand;
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use Symfony\Component\Console\Command\ListCommand;
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use Symfony\Component\Console\Helper\HelperSet;
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use Symfony\Component\Console\Helper\FormatterHelper;
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use Symfony\Component\Console\Helper\DialogHelper;
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/*
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* This file is part of the Symfony framework.
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*
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* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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*
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* This source file is subject to the MIT license that is bundled
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* with this source code in the file LICENSE.
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*/
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/**
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* An Application is the container for a collection of commands.
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*
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* It is the main entry point of a Console application.
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*
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* This class is optimized for a standard CLI environment.
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*
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* Usage:
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*
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* $app = new Application('myapp', '1.0 (stable)');
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* $app->addCommand(new SimpleCommand());
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* $app->run();
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*
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* @author Fabien Potencier <fabien.potencier@symfony-project.com>
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*/
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class Application
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{
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protected $commands;
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protected $aliases;
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protected $wantHelps = false;
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protected $runningCommand;
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protected $name;
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protected $version;
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protected $catchExceptions;
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protected $autoExit;
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protected $definition;
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protected $helperSet;
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/**
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* Constructor.
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*
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* @param string $name The name of the application
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* @param string $version The version of the application
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*/
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public function __construct($name = 'UNKNOWN', $version = 'UNKNOWN')
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{
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$this->name = $name;
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$this->version = $version;
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$this->catchExceptions = true;
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$this->autoExit = true;
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$this->commands = array();
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$this->aliases = array();
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$this->helperSet = new HelperSet(array(
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new FormatterHelper(),
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new DialogHelper(),
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));
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$this->addCommand(new HelpCommand());
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$this->addCommand(new ListCommand());
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$this->definition = new InputDefinition(array(
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new InputArgument('command', InputArgument::REQUIRED, 'The command to execute'),
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new InputOption('--help', '-h', InputOption::PARAMETER_NONE, 'Display this help message.'),
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new InputOption('--quiet', '-q', InputOption::PARAMETER_NONE, 'Do not output any message.'),
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new InputOption('--verbose', '-v', InputOption::PARAMETER_NONE, 'Increase verbosity of messages.'),
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new InputOption('--version', '-V', InputOption::PARAMETER_NONE, 'Display this program version.'),
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new InputOption('--ansi', '-a', InputOption::PARAMETER_NONE, 'Force ANSI output.'),
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new InputOption('--no-interaction', '-n', InputOption::PARAMETER_NONE, 'Do not ask any interactive question.'),
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));
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}
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/**
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* Runs the current application.
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*
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* @param InputInterface $input An Input instance
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* @param OutputInterface $output An Output instance
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*
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* @return integer 0 if everything went fine, or an error code
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*
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* @throws \Exception When doRun returns Exception
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*/
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public function run(InputInterface $input = null, OutputInterface $output = null)
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{
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if (null === $input) {
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$input = new ArgvInput();
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}
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if (null === $output) {
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$output = new ConsoleOutput();
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}
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try {
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$statusCode = $this->doRun($input, $output);
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} catch (\Exception $e) {
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if (!$this->catchExceptions) {
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throw $e;
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}
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$this->renderException($e, $output);
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$statusCode = $e->getCode();
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$statusCode = is_numeric($statusCode) && $statusCode ? $statusCode : 1;
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}
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if ($this->autoExit) {
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if ($statusCode > 255) {
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$statusCode = 255;
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}
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// @codeCoverageIgnoreStart
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exit($statusCode);
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// @codeCoverageIgnoreEnd
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} else {
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return $statusCode;
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}
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}
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/**
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* Runs the current application.
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*
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* @param InputInterface $input An Input instance
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* @param OutputInterface $output An Output instance
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*
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* @return integer 0 if everything went fine, or an error code
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*/
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public function doRun(InputInterface $input, OutputInterface $output)
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{
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$name = $this->getCommandName($input);
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if (true === $input->hasParameterOption(array('--ansi', '-a'))) {
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$output->setDecorated(true);
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}
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if (true === $input->hasParameterOption(array('--help', '-h'))) {
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if (!$name) {
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$name = 'help';
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$input = new ArrayInput(array('command' => 'help'));
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} else {
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$this->wantHelps = true;
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}
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}
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if (true === $input->hasParameterOption(array('--no-interaction', '-n'))) {
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$input->setInteractive(false);
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}
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if (true === $input->hasParameterOption(array('--quiet', '-q'))) {
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$output->setVerbosity(Output::VERBOSITY_QUIET);
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} elseif (true === $input->hasParameterOption(array('--verbose', '-v'))) {
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$output->setVerbosity(Output::VERBOSITY_VERBOSE);
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}
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if (true === $input->hasParameterOption(array('--version', '-V'))) {
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$output->writeln($this->getLongVersion());
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return 0;
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}
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if (!$name) {
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$name = 'list';
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$input = new ArrayInput(array('command' => 'list'));
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}
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// the command name MUST be the first element of the input
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$command = $this->findCommand($name);
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$this->runningCommand = $command;
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$statusCode = $command->run($input, $output);
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$this->runningCommand = null;
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return is_numeric($statusCode) ? $statusCode : 0;
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}
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/**
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* Set a helper set to be used with the command.
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*
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* @param HelperSet $helperSet The helper set
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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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* Get the helper set associated with the command
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*
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* @return HelperSet The HelperSet instance associated with this command
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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 InputDefinition related to this Application.
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*
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* @return InputDefinition The InputDefinition instance
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*/
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public function getDefinition()
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{
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return $this->definition;
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}
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/**
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* Gets the help message.
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*
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* @return string A help message.
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*/
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public function getHelp()
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{
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$messages = array(
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$this->getLongVersion(),
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'',
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'<comment>Usage:</comment>',
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sprintf(" [options] command [arguments]\n"),
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'<comment>Options:</comment>',
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);
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foreach ($this->definition->getOptions() as $option) {
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$messages[] = sprintf(' %-29s %s %s',
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'<info>--'.$option->getName().'</info>',
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$option->getShortcut() ? '<info>-'.$option->getShortcut().'</info>' : ' ',
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$option->getDescription()
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);
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}
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return implode("\n", $messages);
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}
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/**
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* Sets whether to catch exceptions or not during commands execution.
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*
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* @param Boolean $boolean Whether to catch exceptions or not during commands execution
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*/
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public function setCatchExceptions($boolean)
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{
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$this->catchExceptions = (Boolean) $boolean;
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}
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/**
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* Sets whether to automatically exit after a command execution or not.
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*
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* @param Boolean $boolean Whether to automatically exit after a command execution or not
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*/
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public function setAutoExit($boolean)
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{
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$this->autoExit = (Boolean) $boolean;
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}
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/**
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* Gets the name of the application.
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*
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* @return string The application name
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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 application name.
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*
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* @param string $name The application name
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*/
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public function setName($name)
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{
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$this->name = $name;
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}
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/**
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* Gets the application version.
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*
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* @return string The application version
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*/
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public function getVersion()
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{
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return $this->version;
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}
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/**
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* Sets the application version.
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*
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* @param string $version The application version
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*/
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public function setVersion($version)
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{
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$this->version = $version;
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}
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/**
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* Returns the long version of the application.
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*
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* @return string The long application version
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*/
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public function getLongVersion()
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{
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if ('UNKNOWN' !== $this->getName() && 'UNKNOWN' !== $this->getVersion()) {
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return sprintf('<info>%s</info> version <comment>%s</comment>', $this->getName(), $this->getVersion());
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} else {
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return '<info>Console Tool</info>';
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}
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}
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/**
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* Registers a new command.
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*
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* @param string $name The command name
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*
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* @return Command The newly created command
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*/
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public function register($name)
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{
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return $this->addCommand(new Command($name));
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}
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/**
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* Adds an array of command objects.
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*
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* @param Command[] $commands An array of commands
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*/
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public function addCommands(array $commands)
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{
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foreach ($commands as $command) {
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$this->addCommand($command);
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}
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}
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/**
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* Adds a command object.
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*
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* If a command with the same name already exists, it will be overridden.
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*
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* @param Command $command A Command object
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*
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* @return Command The registered command
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*/
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public function addCommand(Command $command)
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{
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$command->setApplication($this);
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$this->commands[$command->getFullName()] = $command;
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foreach ($command->getAliases() as $alias) {
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$this->aliases[$alias] = $command;
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}
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return $command;
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}
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/**
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* Returns a registered command by name or alias.
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*
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* @param string $name The command name or alias
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*
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* @return Command A Command object
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*
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* @throws \InvalidArgumentException When command name given does not exist
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*/
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public function getCommand($name)
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{
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if (!isset($this->commands[$name]) && !isset($this->aliases[$name])) {
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throw new \InvalidArgumentException(sprintf('The command "%s" does not exist.', $name));
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}
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$command = isset($this->commands[$name]) ? $this->commands[$name] : $this->aliases[$name];
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if ($this->wantHelps) {
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$this->wantHelps = false;
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$helpCommand = $this->getCommand('help');
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$helpCommand->setCommand($command);
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return $helpCommand;
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}
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return $command;
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}
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/**
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* Returns true if the command exists, false otherwise
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*
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* @param string $name The command name or alias
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*
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* @return Boolean true if the command exists, false otherwise
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*/
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public function hasCommand($name)
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{
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return isset($this->commands[$name]) || isset($this->aliases[$name]);
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}
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/**
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* Returns an array of all unique namespaces used by currently registered commands.
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*
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* It does not returns the global namespace which always exists.
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*
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* @return array An array of namespaces
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*/
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public function getNamespaces()
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{
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$namespaces = array();
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foreach ($this->commands as $command) {
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if ($command->getNamespace()) {
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$namespaces[$command->getNamespace()] = true;
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}
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}
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return array_keys($namespaces);
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}
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/**
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* Finds a registered namespace by a name or an abbreviation.
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*
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* @return string A registered namespace
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*
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* @throws \InvalidArgumentException When namespace is incorrect or ambiguous
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*/
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public function findNamespace($namespace)
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{
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$abbrevs = static::getAbbreviations($this->getNamespaces());
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if (!isset($abbrevs[$namespace])) {
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throw new \InvalidArgumentException(sprintf('There are no commands defined in the "%s" namespace.', $namespace));
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}
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if (count($abbrevs[$namespace]) > 1) {
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throw new \InvalidArgumentException(sprintf('The namespace "%s" is ambiguous (%s).', $namespace, $this->getAbbreviationSuggestions($abbrevs[$namespace])));
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}
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return $abbrevs[$namespace][0];
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}
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/**
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* Finds a command by name or alias.
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*
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* Contrary to getCommand, this command tries to find the best
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* match if you give it an abbreviation of a name or alias.
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*
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* @param string $name A command name or a command alias
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*
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* @return Command A Command instance
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*
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* @throws \InvalidArgumentException When command name is incorrect or ambiguous
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*/
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public function findCommand($name)
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{
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// namespace
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$namespace = '';
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if (false !== $pos = strrpos($name, ':')) {
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$namespace = $this->findNamespace(substr($name, 0, $pos));
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$name = substr($name, $pos + 1);
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}
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$fullName = $namespace ? $namespace.':'.$name : $name;
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// name
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$commands = array();
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foreach ($this->commands as $command) {
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if ($command->getNamespace() == $namespace) {
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$commands[] = $command->getName();
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}
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}
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$abbrevs = static::getAbbreviations($commands);
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if (isset($abbrevs[$name]) && 1 == count($abbrevs[$name])) {
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return $this->getCommand($namespace ? $namespace.':'.$abbrevs[$name][0] : $abbrevs[$name][0]);
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}
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if (isset($abbrevs[$name]) && count($abbrevs[$name]) > 1) {
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$suggestions = $this->getAbbreviationSuggestions(array_map(function ($command) use ($namespace) { return $namespace.':'.$command; }, $abbrevs[$name]));
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throw new \InvalidArgumentException(sprintf('Command "%s" is ambiguous (%s).', $fullName, $suggestions));
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}
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// aliases
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$abbrevs = static::getAbbreviations(array_keys($this->aliases));
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if (!isset($abbrevs[$fullName])) {
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throw new \InvalidArgumentException(sprintf('Command "%s" is not defined.', $fullName));
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}
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if (count($abbrevs[$fullName]) > 1) {
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throw new \InvalidArgumentException(sprintf('Command "%s" is ambiguous (%s).', $fullName, $this->getAbbreviationSuggestions($abbrevs[$fullName])));
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}
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return $this->getCommand($abbrevs[$fullName][0]);
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}
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/**
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* Gets the commands (registered in the given namespace if provided).
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*
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* The array keys are the full names and the values the command instances.
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*
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* @param string $namespace A namespace name
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*
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* @return array An array of Command instances
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*/
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public function getCommands($namespace = null)
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{
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if (null === $namespace) {
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return $this->commands;
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}
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$commands = array();
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foreach ($this->commands as $name => $command) {
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if ($namespace === $command->getNamespace()) {
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$commands[$name] = $command;
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}
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}
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return $commands;
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}
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/**
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* Returns an array of possible abbreviations given a set of names.
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*
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* @param array $names An array of names
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*
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* @return array An array of abbreviations
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*/
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static public function getAbbreviations($names)
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{
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$abbrevs = array();
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foreach ($names as $name) {
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for ($len = strlen($name) - 1; $len > 0; --$len) {
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$abbrev = substr($name, 0, $len);
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if (!isset($abbrevs[$abbrev])) {
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$abbrevs[$abbrev] = array($name);
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} else {
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$abbrevs[$abbrev][] = $name;
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}
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}
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}
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// Non-abbreviations always get entered, even if they aren't unique
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foreach ($names as $name) {
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$abbrevs[$name] = array($name);
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}
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return $abbrevs;
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}
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/**
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* Returns a text representation of the Application.
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*
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* @param string $namespace An optional namespace name
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*
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* @return string A string representing the Application
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*/
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public function asText($namespace = null)
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{
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$commands = $namespace ? $this->getCommands($this->findNamespace($namespace)) : $this->commands;
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$messages = array($this->getHelp(), '');
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if ($namespace) {
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$messages[] = sprintf("<comment>Available commands for the \"%s\" namespace:</comment>", $namespace);
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} else {
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$messages[] = '<comment>Available commands:</comment>';
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}
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$width = 0;
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foreach ($commands as $command) {
|
|
$width = strlen($command->getName()) > $width ? strlen($command->getName()) : $width;
|
|
}
|
|
$width += 2;
|
|
|
|
// add commands by namespace
|
|
foreach ($this->sortCommands($commands) as $space => $commands) {
|
|
if (!$namespace && '_global' !== $space) {
|
|
$messages[] = '<comment>'.$space.'</comment>';
|
|
}
|
|
|
|
foreach ($commands as $command) {
|
|
$aliases = $command->getAliases() ? '<comment> ('.implode(', ', $command->getAliases()).')</comment>' : '';
|
|
|
|
$messages[] = sprintf(" <info>%-${width}s</info> %s%s", ($command->getNamespace() ? ':' : '').$command->getName(), $command->getDescription(), $aliases);
|
|
}
|
|
}
|
|
|
|
return implode("\n", $messages);
|
|
}
|
|
|
|
/**
|
|
* Returns an XML representation of the Application.
|
|
*
|
|
* @param string $namespace An optional namespace name
|
|
* @param Boolean $asDom Whether to return a DOM or an XML string
|
|
*
|
|
* @return string|DOMDocument An XML string representing the Application
|
|
*/
|
|
public function asXml($namespace = null, $asDom = false)
|
|
{
|
|
$commands = $namespace ? $this->getCommands($this->findNamespace($namespace)) : $this->commands;
|
|
|
|
$dom = new \DOMDocument('1.0', 'UTF-8');
|
|
$dom->formatOutput = true;
|
|
$dom->appendChild($xml = $dom->createElement('symfony'));
|
|
|
|
$xml->appendChild($commandsXML = $dom->createElement('commands'));
|
|
|
|
if ($namespace) {
|
|
$commandsXML->setAttribute('namespace', $namespace);
|
|
} else {
|
|
$xml->appendChild($namespacesXML = $dom->createElement('namespaces'));
|
|
}
|
|
|
|
// add commands by namespace
|
|
foreach ($this->sortCommands($commands) as $space => $commands) {
|
|
if (!$namespace) {
|
|
$namespacesXML->appendChild($namespaceArrayXML = $dom->createElement('namespace'));
|
|
$namespaceArrayXML->setAttribute('id', $space);
|
|
}
|
|
|
|
foreach ($commands as $command) {
|
|
if (!$namespace) {
|
|
$namespaceArrayXML->appendChild($commandXML = $dom->createElement('command'));
|
|
$commandXML->appendChild($dom->createTextNode($command->getName()));
|
|
}
|
|
|
|
$node = $command->asXml(true)->getElementsByTagName('command')->item(0);
|
|
$node = $dom->importNode($node, true);
|
|
|
|
$commandsXML->appendChild($node);
|
|
}
|
|
}
|
|
|
|
return $asDom ? $dom : $dom->saveXml();
|
|
}
|
|
|
|
/**
|
|
* Renders a catched exception.
|
|
*
|
|
* @param Exception $e An exception instance
|
|
* @param OutputInterface $output An OutputInterface instance
|
|
*/
|
|
public function renderException($e, $output)
|
|
{
|
|
$strlen = function ($string)
|
|
{
|
|
return function_exists('mb_strlen') ? mb_strlen($string) : strlen($string);
|
|
};
|
|
|
|
$title = sprintf(' [%s] ', get_class($e));
|
|
$len = $strlen($title);
|
|
$lines = array();
|
|
foreach (explode("\n", $e->getMessage()) as $line) {
|
|
$lines[] = sprintf(' %s ', $line);
|
|
$len = max($strlen($line) + 4, $len);
|
|
}
|
|
|
|
$messages = array(str_repeat(' ', $len), $title.str_repeat(' ', $len - $strlen($title)));
|
|
|
|
foreach ($lines as $line) {
|
|
$messages[] = $line.str_repeat(' ', $len - $strlen($line));
|
|
}
|
|
|
|
$messages[] = str_repeat(' ', $len);
|
|
|
|
$output->writeln("\n");
|
|
foreach ($messages as $message) {
|
|
$output->writeln('<error>'.$message.'</error>');
|
|
}
|
|
$output->writeln("\n");
|
|
|
|
if (null !== $this->runningCommand) {
|
|
$output->writeln(sprintf('<info>%s</info>', sprintf($this->runningCommand->getSynopsis(), $this->getName())));
|
|
$output->writeln("\n");
|
|
}
|
|
|
|
if (Output::VERBOSITY_VERBOSE === $output->getVerbosity()) {
|
|
$output->writeln('</comment>Exception trace:</comment>');
|
|
|
|
// exception related properties
|
|
$trace = $e->getTrace();
|
|
array_unshift($trace, array(
|
|
'function' => '',
|
|
'file' => $e->getFile() != null ? $e->getFile() : 'n/a',
|
|
'line' => $e->getLine() != null ? $e->getLine() : 'n/a',
|
|
'args' => array(),
|
|
));
|
|
|
|
for ($i = 0, $count = count($trace); $i < $count; $i++) {
|
|
$class = isset($trace[$i]['class']) ? $trace[$i]['class'] : '';
|
|
$type = isset($trace[$i]['type']) ? $trace[$i]['type'] : '';
|
|
$function = $trace[$i]['function'];
|
|
$file = isset($trace[$i]['file']) ? $trace[$i]['file'] : 'n/a';
|
|
$line = isset($trace[$i]['line']) ? $trace[$i]['line'] : 'n/a';
|
|
|
|
$output->writeln(sprintf(' %s%s%s() at <info>%s:%s</info>', $class, $type, $function, $file, $line));
|
|
}
|
|
|
|
$output->writeln("\n");
|
|
}
|
|
}
|
|
|
|
protected function getCommandName(InputInterface $input)
|
|
{
|
|
return $input->getFirstArgument('command');
|
|
}
|
|
|
|
protected function sortCommands($commands)
|
|
{
|
|
$namespacedCommands = array();
|
|
foreach ($commands as $name => $command) {
|
|
$key = $command->getNamespace() ? $command->getNamespace() : '_global';
|
|
|
|
if (!isset($namespacedCommands[$key])) {
|
|
$namespacedCommands[$key] = array();
|
|
}
|
|
|
|
$namespacedCommands[$key][$name] = $command;
|
|
}
|
|
ksort($namespacedCommands);
|
|
|
|
foreach ($namespacedCommands as $name => &$commands) {
|
|
ksort($commands);
|
|
}
|
|
|
|
return $namespacedCommands;
|
|
}
|
|
|
|
protected function getAbbreviationSuggestions($abbrevs)
|
|
{
|
|
return sprintf('%s, %s%s', $abbrevs[0], $abbrevs[1], count($abbrevs) > 2 ? sprintf(' and %d more', count($abbrevs) - 2) : '');
|
|
}
|
|
}
|