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File / Folder	Size	Action
.	-
DebugFormatterHelper.php	3.242KB	edt ren
DescriptorHelper.php	2.575KB	edt ren
Dumper.php	1.787KB	edt ren
FormatterHelper.php	2.183KB	edt ren
Helper.php	4.646KB	edt ren
HelperInterface.php	0.821KB	edt ren
HelperSet.php	1.822KB	edt ren
InputAwareHelper.php	0.729KB	edt ren
OutputWrapper.php	2.938KB	edt ren
ProcessHelper.php	4.645KB	edt ren
ProgressBar.php	19.303KB	edt ren
ProgressIndicator.php	6.83KB	edt ren
QuestionHelper.php	19.373KB	edt ren
SymfonyQuestionHelper.php	3.2KB	edt ren
Table.php	31.178KB	edt ren
TableCell.php	1.718KB	edt ren
TableCellStyle.php	2.161KB	edt ren
TableRows.php	0.576KB	edt ren
TableSeparator.php	0.519KB	edt ren
TableStyle.php	12.461KB	edt ren

<?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\Helper;

use Symfony\Component\Console\Exception\InvalidArgumentException;

/**
 * HelperSet represents a set of helpers to be used with a command.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @implements \IteratorAggregate<string, HelperInterface>
 */
class HelperSet implements \IteratorAggregate
{
    /** @var array<string, HelperInterface> */
    private array $helpers = [];

/**
     * @param HelperInterface[] $helpers
     */
    public function __construct(array $helpers = [])
    {
        foreach ($helpers as $alias => $helper) {
            $this->set($helper, \is_int($alias) ? null : $alias);
        }
    }

/**
     * @return void
     */
    public function set(HelperInterface $helper, ?string $alias = null)
    {
        $this->helpers[$helper->getName()] = $helper;
        if (null !== $alias) {
            $this->helpers[$alias] = $helper;
        }

$helper->setHelperSet($this);
    }

/**
     * Returns true if the helper if defined.
     */
    public function has(string $name): bool
    {
        return isset($this->helpers[$name]);
    }

/**
     * Gets a helper value.
     *
     * @throws InvalidArgumentException if the helper is not defined
     */
    public function get(string $name): HelperInterface
    {
        if (!$this->has($name)) {
            throw new InvalidArgumentException(sprintf('The helper "%s" is not defined.', $name));
        }

return $this->helpers[$name];
    }

public function getIterator(): \Traversable
    {
        return new \ArrayIterator($this->helpers);
    }
}