263 lines
8.3 KiB
PHP
263 lines
8.3 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Console\Input;
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use Symfony\Component\Console\Command\Command;
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use Symfony\Component\Console\Completion\CompletionInput;
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use Symfony\Component\Console\Completion\CompletionSuggestions;
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use Symfony\Component\Console\Completion\Suggestion;
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use Symfony\Component\Console\Exception\InvalidArgumentException;
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use Symfony\Component\Console\Exception\LogicException;
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/**
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* Represents a command line option.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class InputOption
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{
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/**
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* Do not accept input for the option (e.g. --yell). This is the default behavior of options.
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*/
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public const VALUE_NONE = 1;
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/**
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* A value must be passed when the option is used (e.g. --iterations=5 or -i5).
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*/
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public const VALUE_REQUIRED = 2;
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/**
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* The option may or may not have a value (e.g. --yell or --yell=loud).
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*/
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public const VALUE_OPTIONAL = 4;
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/**
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* The option accepts multiple values (e.g. --dir=/foo --dir=/bar).
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*/
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public const VALUE_IS_ARRAY = 8;
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/**
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* The option allows passing a negated variant (e.g. --ansi or --no-ansi).
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*/
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public const VALUE_NEGATABLE = 16;
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private string $name;
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private ?string $shortcut;
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private int $mode;
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private string|int|bool|array|float|null $default;
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/**
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* @param string|array|null $shortcut The shortcuts, can be null, a string of shortcuts delimited by | or an array of shortcuts
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* @param int-mask-of<InputOption::*>|null $mode The option mode: One of the VALUE_* constants
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* @param string|bool|int|float|array|null $default The default value (must be null for self::VALUE_NONE)
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* @param array|\Closure(CompletionInput,CompletionSuggestions):list<string|Suggestion> $suggestedValues The values used for input completion
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*
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* @throws InvalidArgumentException If option mode is invalid or incompatible
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*/
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public function __construct(
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string $name,
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string|array|null $shortcut = null,
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?int $mode = null,
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private string $description = '',
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string|bool|int|float|array|null $default = null,
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private array|\Closure $suggestedValues = [],
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) {
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if (str_starts_with($name, '--')) {
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$name = substr($name, 2);
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}
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if (!$name) {
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throw new InvalidArgumentException('An option name cannot be empty.');
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}
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if ('' === $shortcut || [] === $shortcut || false === $shortcut) {
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$shortcut = null;
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}
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if (null !== $shortcut) {
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if (\is_array($shortcut)) {
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$shortcut = implode('|', $shortcut);
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}
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$shortcuts = preg_split('{(\|)-?}', ltrim($shortcut, '-'));
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$shortcuts = array_filter($shortcuts, 'strlen');
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$shortcut = implode('|', $shortcuts);
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if ('' === $shortcut) {
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throw new InvalidArgumentException('An option shortcut cannot be empty.');
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}
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}
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if (null === $mode) {
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$mode = self::VALUE_NONE;
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} elseif ($mode >= (self::VALUE_NEGATABLE << 1) || $mode < 1) {
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throw new InvalidArgumentException(\sprintf('Option mode "%s" is not valid.', $mode));
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}
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$this->name = $name;
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$this->shortcut = $shortcut;
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$this->mode = $mode;
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if ($suggestedValues && !$this->acceptValue()) {
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throw new LogicException('Cannot set suggested values if the option does not accept a value.');
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}
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if ($this->isArray() && !$this->acceptValue()) {
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throw new InvalidArgumentException('Impossible to have an option mode VALUE_IS_ARRAY if the option does not accept a value.');
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}
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if ($this->isNegatable() && $this->acceptValue()) {
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throw new InvalidArgumentException('Impossible to have an option mode VALUE_NEGATABLE if the option also accepts a value.');
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}
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$this->setDefault($default);
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}
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/**
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* Returns the option shortcut.
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*/
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public function getShortcut(): ?string
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{
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return $this->shortcut;
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}
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/**
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* Returns the option name.
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*/
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public function getName(): string
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{
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return $this->name;
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}
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/**
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* Returns true if the option accepts a value.
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*
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* @return bool true if value mode is not self::VALUE_NONE, false otherwise
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*/
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public function acceptValue(): bool
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{
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return $this->isValueRequired() || $this->isValueOptional();
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}
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/**
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* Returns true if the option requires a value.
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*
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* @return bool true if value mode is self::VALUE_REQUIRED, false otherwise
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*/
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public function isValueRequired(): bool
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{
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return self::VALUE_REQUIRED === (self::VALUE_REQUIRED & $this->mode);
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}
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/**
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* Returns true if the option takes an optional value.
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*
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* @return bool true if value mode is self::VALUE_OPTIONAL, false otherwise
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*/
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public function isValueOptional(): bool
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{
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return self::VALUE_OPTIONAL === (self::VALUE_OPTIONAL & $this->mode);
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}
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/**
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* Returns true if the option can take multiple values.
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*
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* @return bool true if mode is self::VALUE_IS_ARRAY, false otherwise
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*/
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public function isArray(): bool
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{
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return self::VALUE_IS_ARRAY === (self::VALUE_IS_ARRAY & $this->mode);
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}
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/**
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* Returns true if the option allows passing a negated variant.
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*
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* @return bool true if mode is self::VALUE_NEGATABLE, false otherwise
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*/
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public function isNegatable(): bool
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{
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return self::VALUE_NEGATABLE === (self::VALUE_NEGATABLE & $this->mode);
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}
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/**
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* Sets the default value.
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*/
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public function setDefault(string|bool|int|float|array|null $default): void
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{
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if (self::VALUE_NONE === (self::VALUE_NONE & $this->mode) && null !== $default) {
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throw new LogicException('Cannot set a default value when using InputOption::VALUE_NONE mode.');
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}
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if ($this->isArray()) {
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if (null === $default) {
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$default = [];
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} elseif (!\is_array($default)) {
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throw new LogicException('A default value for an array option must be an array.');
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}
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}
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$this->default = $this->acceptValue() || $this->isNegatable() ? $default : false;
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}
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/**
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* Returns the default value.
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*/
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public function getDefault(): string|bool|int|float|array|null
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{
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return $this->default;
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}
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/**
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* Returns the description text.
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*/
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public function getDescription(): string
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{
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return $this->description;
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}
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/**
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* Returns true if the option has values for input completion.
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*/
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public function hasCompletion(): bool
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{
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return [] !== $this->suggestedValues;
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}
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/**
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* Supplies suggestions when command resolves possible completion options for input.
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*
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* @see Command::complete()
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*/
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public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void
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{
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$values = $this->suggestedValues;
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if ($values instanceof \Closure && !\is_array($values = $values($input))) {
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throw new LogicException(\sprintf('Closure for option "%s" must return an array. Got "%s".', $this->name, get_debug_type($values)));
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}
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if ($values) {
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$suggestions->suggestValues($values);
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}
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}
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/**
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* Checks whether the given option equals this one.
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*/
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public function equals(self $option): bool
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{
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return $option->getName() === $this->getName()
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&& $option->getShortcut() === $this->getShortcut()
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&& $option->getDefault() === $this->getDefault()
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&& $option->isNegatable() === $this->isNegatable()
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&& $option->isArray() === $this->isArray()
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&& $option->isValueRequired() === $this->isValueRequired()
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&& $option->isValueOptional() === $this->isValueOptional()
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;
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}
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}
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