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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 option.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class InputOption
{
    /**
     * Do not accept input for the option (e.g. --yell). This is the default behavior of options.
     */
    public const VALUE_NONE = 1;

/**
     * A value must be passed when the option is used (e.g. --iterations=5 or -i5).
     */
    public const VALUE_REQUIRED = 2;

/**
     * The option may or may not have a value (e.g. --yell or --yell=loud).
     */
    public const VALUE_OPTIONAL = 4;

/**
     * The option accepts multiple values (e.g. --dir=/foo --dir=/bar).
     */
    public const VALUE_IS_ARRAY = 8;

/**
     * The option allows passing a negated variant (e.g. --ansi or --no-ansi).
     */
    public const VALUE_NEGATABLE = 16;

/**
     * @param string|array|null                                                             $shortcut        The shortcuts, can be null, a string of shortcuts delimited by | or an array of shortcuts
     * @param int-mask-of<InputOption::*>|null                                              $mode            The option mode: One of the VALUE_* constants
     * @param string|bool|int|float|array|null                                              $default         The default value (must be null for self::VALUE_NONE)
     * @param array|\Closure(CompletionInput,CompletionSuggestions):list<string|Suggestion> $suggestedValues The values used for input completion
     *
     * @throws InvalidArgumentException If option mode is invalid or incompatible
     */
    public function __construct(
        string $name,
        string|array|null $shortcut = null,
        ?int $mode = null,
        private string $description = '',
        string|bool|int|float|array|null $default = null,
        private array|\Closure $suggestedValues = [],
    ) {
        if (str_starts_with($name, '--')) {
            $name = substr($name, 2);
        }

if (!$name) {
            throw new InvalidArgumentException('An option name cannot be empty.');
        }

if ('' === $shortcut || [] === $shortcut) {
            $shortcut = null;
        }

if (null !== $shortcut) {
            if (\is_array($shortcut)) {
                $shortcut = implode('|', $shortcut);
            }
            $shortcuts = preg_split('{(\|)-?}', ltrim($shortcut, '-'));
            $shortcuts = array_filter($shortcuts, 'strlen');
            $shortcut = implode('|', $shortcuts);

if ('' === $shortcut) {
                throw new InvalidArgumentException('An option shortcut cannot be empty.');
            }
        }

if (null === $mode) {
            $mode = self::VALUE_NONE;
        } elseif ($mode >= (self::VALUE_NEGATABLE << 1) || $mode < 1) {
            throw new InvalidArgumentException(\sprintf('Option mode "%s" is not valid.', $mode));
        }

$this->name = $name;
        $this->shortcut = $shortcut;
        $this->mode = $mode;

if ($suggestedValues && !$this->acceptValue()) {
            throw new LogicException('Cannot set suggested values if the option does not accept a value.');
        }
        if ($this->isArray() && !$this->acceptValue()) {
            throw new InvalidArgumentException('Impossible to have an option mode VALUE_IS_ARRAY if the option does not accept a value.');
        }
        if ($this->isNegatable() && $this->acceptValue()) {
            throw new InvalidArgumentException('Impossible to have an option mode VALUE_NEGATABLE if the option also accepts a value.');
        }

$this->setDefault($default);
    }

/**
     * Returns the option shortcut.
     */
    public function getShortcut(): ?string
    {
        return $this->shortcut;
    }

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

/**
     * Returns true if the option accepts a value.
     *
     * @return bool true if value mode is not self::VALUE_NONE, false otherwise
     */
    public function acceptValue(): bool
    {
        return $this->isValueRequired() || $this->isValueOptional();
    }

/**
     * Returns true if the option requires a value.
     *
     * @return bool true if value mode is self::VALUE_REQUIRED, false otherwise
     */
    public function isValueRequired(): bool
    {
        return self::VALUE_REQUIRED === (self::VALUE_REQUIRED & $this->mode);
    }

/**
     * Returns true if the option takes an optional value.
     *
     * @return bool true if value mode is self::VALUE_OPTIONAL, false otherwise
     */
    public function isValueOptional(): bool
    {
        return self::VALUE_OPTIONAL === (self::VALUE_OPTIONAL & $this->mode);
    }

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

/**
     * Returns true if the option allows passing a negated variant.
     *
     * @return bool true if mode is self::VALUE_NEGATABLE, false otherwise
     */
    public function isNegatable(): bool
    {
        return self::VALUE_NEGATABLE === (self::VALUE_NEGATABLE & $this->mode);
    }

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

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

$this->default = $this->acceptValue() || $this->isNegatable() ? $default : false;
    }

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

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

/**
     * Returns true if the option 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 option "%s" must return an array. Got "%s".', $this->name, get_debug_type($values)));
        }
        if ($values) {
            $suggestions->suggestValues($values);
        }
    }

/**
     * Checks whether the given option equals this one.
     */
    public function equals(self $option): bool
    {
        return $option->getName() === $this->getName()
            && $option->getShortcut() === $this->getShortcut()
            && $option->getDefault() === $this->getDefault()
            && $option->isNegatable() === $this->isNegatable()
            && $option->isArray() === $this->isArray()
            && $option->isValueRequired() === $this->isValueRequired()
            && $option->isValueOptional() === $this->isValueOptional()
        ;
    }
}