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File / Folder	Size	Action
.	-
ArgvInput.php	13.153KB	edt ren
ArrayInput.php	5.454KB	edt ren
Input.php	4.917KB	edt ren
InputArgument.php	5.016KB	edt ren
InputAwareInterface.php	0.563KB	edt ren
InputDefinition.php	11.527KB	edt ren
InputInterface.php	4.434KB	edt ren
InputOption.php	8.284KB	edt ren
StreamableInputInterfac...	0.858KB	edt ren
StringInput.php	2.589KB	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\Input;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Completion\CompletionInput;
use Symfony\Component\Console\Completion\CompletionSuggestions;
use Symfony\Component\Console\Completion\Suggestion;
use Symfony\Component\Console\Exception\InvalidArgumentException;
use Symfony\Component\Console\Exception\LogicException;

/**
 * Represents a command line argument.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class InputArgument
{
    /**
     * Providing an argument is required (e.g. just 'app:foo' is not allowed).
     */
    public const REQUIRED = 1;

/**
     * Providing an argument is optional (e.g. 'app:foo' and 'app:foo bar' are both allowed). This is the default behavior of arguments.
     */
    public const OPTIONAL = 2;

/**
     * The argument accepts multiple values and turn them into an array (e.g. 'app:foo bar baz' will result in value ['bar', 'baz']).
     */
    public const IS_ARRAY = 4;

/**
     * @param string                                                                        $name            The argument name
     * @param int-mask-of<InputArgument::*>|null                                            $mode            The argument mode: a bit mask of self::REQUIRED, self::OPTIONAL and self::IS_ARRAY
     * @param string                                                                        $description     A description text
     * @param string|bool|int|float|array|null                                              $default         The default value (for self::OPTIONAL mode only)
     * @param array|\Closure(CompletionInput,CompletionSuggestions):list<string|Suggestion> $suggestedValues The values used for input completion
     *
     * @throws InvalidArgumentException When argument mode is not valid
     */
    public function __construct(
        private string $name,
        ?int $mode = null,
        private string $description = '',
        string|bool|int|float|array|null $default = null,
        private \Closure|array $suggestedValues = [],
    ) {
        if (null === $mode) {
            $mode = self::OPTIONAL;
        } elseif ($mode >= (self::IS_ARRAY << 1) || $mode < 1) {
            throw new InvalidArgumentException(\sprintf('Argument mode "%s" is not valid.', $mode));
        }

$this->mode = $mode;

$this->setDefault($default);
    }

/**
     * Returns the argument name.
     */
    public function getName(): string
    {
        return $this->name;
    }

/**
     * Returns true if the argument is required.
     *
     * @return bool true if parameter mode is self::REQUIRED, false otherwise
     */
    public function isRequired(): bool
    {
        return self::REQUIRED === (self::REQUIRED & $this->mode);
    }

/**
     * Returns true if the argument can take multiple values.
     *
     * @return bool true if mode is self::IS_ARRAY, false otherwise
     */
    public function isArray(): bool
    {
        return self::IS_ARRAY === (self::IS_ARRAY & $this->mode);
    }

/**
     * Sets the default value.
     */
    public function setDefault(string|bool|int|float|array|null $default): void
    {
        if ($this->isRequired() && null !== $default) {
            throw new LogicException('Cannot set a default value except for InputArgument::OPTIONAL mode.');
        }

if ($this->isArray()) {
            if (null === $default) {
                $default = [];
            } elseif (!\is_array($default)) {
                throw new LogicException('A default value for an array argument must be an array.');
            }
        }

$this->default = $default;
    }

/**
     * Returns the default value.
     */
    public function getDefault(): string|bool|int|float|array|null
    {
        return $this->default;
    }

/**
     * Returns true if the argument has values for input completion.
     */
    public function hasCompletion(): bool
    {
        return [] !== $this->suggestedValues;
    }

/**
     * Supplies suggestions when command resolves possible completion options for input.
     *
     * @see Command::complete()
     */
    public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void
    {
        $values = $this->suggestedValues;
        if ($values instanceof \Closure && !\is_array($values = $values($input))) {
            throw new LogicException(\sprintf('Closure for argument "%s" must return an array. Got "%s".', $this->name, get_debug_type($values)));
        }
        if ($values) {
            $suggestions->suggestValues($values);
        }
    }

/**
     * Returns the description text.
     */
    public function getDescription(): string
    {
        return $this->description;
    }
}

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