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- <?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;
- private string $name;
- private ?string $shortcut;
- private int $mode;
- private string|int|bool|array|float|null $default;
- /**
- * @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 || false === $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()
- ;
- }
- }
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