Version 1

[yaffs-website] / vendor / symfony / console / Input / InputOption.php

diff --git a/vendor/symfony/console/Input/InputOption.php b/vendor/symfony/console/Input/InputOption.php
new file mode 100644 (file)
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+++ 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()
+        ;
+    }
+}