<?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\Command;
use Symfony\Component\Console\Attribute\AsCommand;
use Symfony\Component\Console\Completion\CompletionInput;
use Symfony\Component\Console\Completion\CompletionSuggestions;
use Symfony\Component\Console\Completion\Output\BashCompletionOutput;
use Symfony\Component\Console\Completion\Output\CompletionOutputInterface;
use Symfony\Component\Console\Completion\Output\FishCompletionOutput;
use Symfony\Component\Console\Completion\Output\ZshCompletionOutput;
use Symfony\Component\Console\Exception\CommandNotFoundException;
use Symfony\Component\Console\Exception\ExceptionInterface;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
/**
* Responsible for providing the values to the shell completion.
*
* @author Wouter de Jong <wouter@wouterj.nl>
*/
#[AsCommand(name: '|_complete', description: 'Internal command to provide shell completion suggestions')]
final class CompleteCommand extends Command
{
public const COMPLETION_API_VERSION = '1';
/**
* @deprecated since Symfony 6.1
*/
protected static $defaultName = '|_complete';
/**
* @deprecated since Symfony 6.1
*/
protected static $defaultDescription = 'Internal command to provide shell completion suggestions';
private array $completionOutputs;
private bool $isDebug = false;
/**
* @param array<string, class-string<CompletionOutputInterface>> $completionOutputs A list of additional completion outputs, with shell name as key and FQCN as value
*/
public function __construct(array $completionOutputs = [])
{
// must be set before the parent constructor, as the property value is used in configure()
$this->completionOutputs = $completionOutputs + [
'bash' => BashCompletionOutput::class,
'fish' => FishCompletionOutput::class,
'zsh' => ZshCompletionOutput::class,
];
parent::__construct();
}
protected function configure(): void
{
$this
->addOption('shell', 's', InputOption::VALUE_REQUIRED, 'The shell type ("'.implode('", "', array_keys($this->completionOutputs)).'")')
->addOption('input', 'i', InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY, 'An array of input tokens (e.g. COMP_WORDS or argv)')
->addOption('current', 'c', InputOption::VALUE_REQUIRED, 'The index of the "input" array that the cursor is in (e.g. COMP_CWORD)')
->addOption('api-version', 'a', InputOption::VALUE_REQUIRED, 'The API version of the completion script')
->addOption('symfony', 'S', InputOption::VALUE_REQUIRED, 'deprecated')
;
}
protected function initialize(InputInterface $input, OutputInterface $output): void
{
$this->isDebug = filter_var(getenv('SYMFONY_COMPLETION_DEBUG'), \FILTER_VALIDATE_BOOL);
}
protected function execute(InputInterface $input, OutputInterface $output): int
{
try {
// "symfony" must be kept for compat with the shell scripts generated by Symfony Console 5.4 - 6.1
$version = $input->getOption('symfony') ? '1' : $input->getOption('api-version');
if ($version && version_compare($version, self::COMPLETION_API_VERSION, '<')) {
$message = \sprintf('Completion script version is not supported ("%s" given, ">=%s" required).', $version, self::COMPLETION_API_VERSION);
$this->log($message);
$output->writeln($message.' Install the Symfony completion script again by using the "completion" command.');
return 126;
}
$shell = $input->getOption('shell');
if (!$shell) {
throw new \RuntimeException('The "--shell" option must be set.');
}
if (!$completionOutput = $this->completionOutputs[$shell] ?? false) {
throw new \RuntimeException(\sprintf('Shell completion is not supported for your shell: "%s" (supported: "%s").', $shell, implode('", "', array_keys($this->completionOutputs))));
}
$completionInput = $this->createCompletionInput($input);
$suggestions = new CompletionSuggestions();
$this->log([
'',
'<comment>'.date('Y-m-d H:i:s').'</>',
'<info>Input:</> <comment>("|" indicates the cursor position)</>',
' '.(string) $completionInput,
'<info>Command:</>',
' '.(string) implode(' ', $_SERVER['argv']),
'<info>Messages:</>',
]);
$command = $this->findCommand($completionInput, $output);
if (null === $command) {
$this->log(' No command found, completing using the Application class.');
$this->getApplication()->complete($completionInput, $suggestions);
} elseif (
$completionInput->mustSuggestArgumentValuesFor('command')
&& $command->getName() !== $completionInput->getCompletionValue()
&& !\in_array($completionInput->getCompletionValue(), $command->getAliases(), true)
) {
$this->log(' No command found, completing using the Application class.');
// expand shortcut names ("cache:cl<TAB>") into their full name ("cache:clear")
$suggestions->suggestValues(array_filter(array_merge([$command->getName()], $command->getAliases())));
} else {
$command->mergeApplicationDefinition();
$completionInput->bind($command->getDefinition());
if (CompletionInput::TYPE_OPTION_NAME === $completionInput->getCompletionType()) {
$this->log(' Completing option names for the <comment>'.($command instanceof LazyCommand ? $command->getCommand() : $command)::class.'</> command.');
$suggestions->suggestOptions($command->getDefinition()->getOptions());
} else {
$this->log([
' Completing using the <comment>'.($command instanceof LazyCommand ? $command->getCommand() : $command)::class.'</> class.',
' Completing <comment>'.$completionInput->getCompletionType().'</> for <comment>'.$completionInput->getCompletionName().'</>',
]);
if (null !== $compval = $completionInput->getCompletionValue()) {
$this->log(' Current value: <comment>'.$compval.'</>');
}
$command->complete($completionInput, $suggestions);
}
}
/** @var CompletionOutputInterface $completionOutput */
$completionOutput = new $completionOutput();
$this->log('<info>Suggestions:</>');
if ($options = $suggestions->getOptionSuggestions()) {
$this->log(' --'.implode(' --', array_map(fn ($o) => $o->getName(), $options)));
} elseif ($values = $suggestions->getValueSuggestions()) {
$this->log(' '.implode(' ', $values));
} else {
$this->log(' <comment>No suggestions were provided</>');
}
$completionOutput->write($suggestions, $output);
} catch (\Throwable $e) {
$this->log([
'<error>Error!</error>',
(string) $e,
]);
if ($output->isDebug()) {
throw $e;
}
return 2;
}
return 0;
}
private function createCompletionInput(InputInterface $input): CompletionInput
{
$currentIndex = $input->getOption('current');
if (!$currentIndex || !ctype_digit($currentIndex)) {
throw new \RuntimeException('The "--current" option must be set and it must be an integer.');
}
$completionInput = CompletionInput::fromTokens($input->getOption('input'), (int) $currentIndex);
try {
$completionInput->bind($this->getApplication()->getDefinition());
} catch (ExceptionInterface) {
}
return $completionInput;
}
private function findCommand(CompletionInput $completionInput, OutputInterface $output): ?Command
{
try {
$inputName = $completionInput->getFirstArgument();
if (null === $inputName) {
return null;
}
return $this->getApplication()->find($inputName);
} catch (CommandNotFoundException) {
}
return null;
}
private function log($messages): void
{
if (!$this->isDebug) {
return;
}
$commandName = basename($_SERVER['argv'][0]);
file_put_contents(sys_get_temp_dir().'/sf_'.$commandName.'.log', implode(\PHP_EOL, (array) $messages).\PHP_EOL, \FILE_APPEND);
}
}
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