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Diffstat (limited to 'vendor/symfony/console/Input/InputOption.php')
| -rw-r--r-- | vendor/symfony/console/Input/InputOption.php | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/vendor/symfony/console/Input/InputOption.php b/vendor/symfony/console/Input/InputOption.php new file mode 100644 index 00000000..f08c5f26 --- /dev/null +++ b/vendor/symfony/console/Input/InputOption.php @@ -0,0 +1,212 @@ +<?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\Exception\InvalidArgumentException; +use Symfony\Component\Console\Exception\LogicException; + +/** + * Represents a command line option. + * + * @author Fabien Potencier <fabien@symfony.com> + */ +class InputOption +{ + const VALUE_NONE = 1; + const VALUE_REQUIRED = 2; + const VALUE_OPTIONAL = 4; + const VALUE_IS_ARRAY = 8; + + private $name; + private $shortcut; + private $mode; + private $default; + private $description; + + /** + * Constructor. + * + * @param string $name The option name + * @param string|array $shortcut The shortcuts, can be null, a string of shortcuts delimited by | or an array of shortcuts + * @param int $mode The option mode: One of the VALUE_* constants + * @param string $description A description text + * @param mixed $default The default value (must be null for self::VALUE_NONE) + * + * @throws InvalidArgumentException If option mode is invalid or incompatible + */ + public function __construct($name, $shortcut = null, $mode = null, $description = '', $default = null) + { + if (0 === strpos($name, '--')) { + $name = substr($name, 2); + } + + if (empty($name)) { + throw new InvalidArgumentException('An option name cannot be empty.'); + } + + if (empty($shortcut)) { + $shortcut = null; + } + + if (null !== $shortcut) { + if (is_array($shortcut)) { + $shortcut = implode('|', $shortcut); + } + $shortcuts = preg_split('{(\|)-?}', ltrim($shortcut, '-')); + $shortcuts = array_filter($shortcuts); + $shortcut = implode('|', $shortcuts); + + if (empty($shortcut)) { + throw new InvalidArgumentException('An option shortcut cannot be empty.'); + } + } + + if (null === $mode) { + $mode = self::VALUE_NONE; + } elseif (!is_int($mode) || $mode > 15 || $mode < 1) { + throw new InvalidArgumentException(sprintf('Option mode "%s" is not valid.', $mode)); + } + + $this->name = $name; + $this->shortcut = $shortcut; + $this->mode = $mode; + $this->description = $description; + + if ($this->isArray() && !$this->acceptValue()) { + throw new InvalidArgumentException('Impossible to have an option mode VALUE_IS_ARRAY if the option does not accept a value.'); + } + + $this->setDefault($default); + } + + /** + * Returns the option shortcut. + * + * @return string The shortcut + */ + public function getShortcut() + { + return $this->shortcut; + } + + /** + * Returns the option name. + * + * @return string The name + */ + public function getName() + { + 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() + { + 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() + { + 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() + { + 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() + { + return self::VALUE_IS_ARRAY === (self::VALUE_IS_ARRAY & $this->mode); + } + + /** + * Sets the default value. + * + * @param mixed $default The default value + * + * @throws LogicException When incorrect default value is given + */ + public function setDefault($default = null) + { + 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) { + $default = array(); + } elseif (!is_array($default)) { + throw new LogicException('A default value for an array option must be an array.'); + } + } + + $this->default = $this->acceptValue() ? $default : false; + } + + /** + * Returns the default value. + * + * @return mixed The default value + */ + public function getDefault() + { + return $this->default; + } + + /** + * Returns the description text. + * + * @return string The description text + */ + public function getDescription() + { + return $this->description; + } + + /** + * Checks whether the given option equals this one. + * + * @param InputOption $option option to compare + * + * @return bool + */ + public function equals(InputOption $option) + { + return $option->getName() === $this->getName() + && $option->getShortcut() === $this->getShortcut() + && $option->getDefault() === $this->getDefault() + && $option->isArray() === $this->isArray() + && $option->isValueRequired() === $this->isValueRequired() + && $option->isValueOptional() === $this->isValueOptional() + ; + } +} |