libs/Yii/console/CConsoleCommand.php

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<?php
/**
 * CConsoleCommand class file.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @link http://www.yiiframework.com/
 * @copyright Copyright &copy; 2008-2011 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

/**
 * CConsoleCommand represents an executable console command.
 *
 * It works like {@link CController} by parsing command line options and dispatching
 * the request to a specific action with appropriate option values.
 *
 * Users call a console command via the following command format:
 * <pre>
 * yiic CommandName ActionName --Option1=Value1 --Option2=Value2 ...
 * </pre>
 *
 * Child classes mainly needs to implement various action methods whose name must be
 * prefixed with "action". The parameters to an action method are considered as options
 * for that specific action. The action specified as {@link defaultAction} will be invoked
 * when a user does not specify the action name in his command.
 *
 * Options are bound to action parameters via parameter names. For example, the following
 * action method will allow us to run a command with <code>yiic sitemap --type=News</code>:
 * <pre>
 * class SitemapCommand {
 *     public function actionIndex($type) {
 *         ....
 *     }
 * }
 * </pre>
 *
 * Since version 1.1.11 the return value of action methods will be used as application exit code if it is an integer value.
 *
 * @property string $name The command name.
 * @property CConsoleCommandRunner $commandRunner The command runner instance.
 * @property string $help The command description. Defaults to 'Usage: php entry-script.php command-name'.
 * @property array $optionHelp The command option help information. Each array element describes
 * the help information for a single action.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @version $Id$
 * @package system.console
 * @since 1.0
 */
abstract class CConsoleCommand extends CComponent
{
	/**
	 * @var string the name of the default action. Defaults to 'index'.
	 * @since 1.1.5
	 */
	public $defaultAction='index';

	private $_name;
	private $_runner;