103 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
<?php
 | 
						|
 | 
						|
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
 | 
						|
 | 
						|
/**
 | 
						|
 * This file is part of the PEAR Console_CommandLine package.
 | 
						|
 *
 | 
						|
 * PHP version 5
 | 
						|
 *
 | 
						|
 * LICENSE: This source file is subject to the MIT license that is available
 | 
						|
 * through the world-wide-web at the following URI:
 | 
						|
 * http://opensource.org/licenses/mit-license.php
 | 
						|
 *
 | 
						|
 * @category  Console
 | 
						|
 * @package   Console_CommandLine
 | 
						|
 * @author    David JEAN LOUIS <izimobil@gmail.com>
 | 
						|
 * @copyright 2007 David JEAN LOUIS
 | 
						|
 * @license   http://opensource.org/licenses/mit-license.php MIT License
 | 
						|
 * @version   CVS: $Id$
 | 
						|
 * @link      http://pear.php.net/package/Console_CommandLine
 | 
						|
 * @since     File available since release 0.1.0
 | 
						|
 * @filesource
 | 
						|
 */
 | 
						|
 | 
						|
/**
 | 
						|
 * Include base element class.
 | 
						|
 */
 | 
						|
require_once 'Console/CommandLine/Element.php';
 | 
						|
 | 
						|
/**
 | 
						|
 * Class that represent a command line argument.
 | 
						|
 *
 | 
						|
 * @category  Console
 | 
						|
 * @package   Console_CommandLine
 | 
						|
 * @author    David JEAN LOUIS <izimobil@gmail.com>
 | 
						|
 * @copyright 2007 David JEAN LOUIS
 | 
						|
 * @license   http://opensource.org/licenses/mit-license.php MIT License
 | 
						|
 * @version   Release: 1.2.0
 | 
						|
 * @link      http://pear.php.net/package/Console_CommandLine
 | 
						|
 * @since     Class available since release 0.1.0
 | 
						|
 */
 | 
						|
class Console_CommandLine_Argument extends Console_CommandLine_Element
 | 
						|
{
 | 
						|
    // Public properties {{{
 | 
						|
 | 
						|
    /**
 | 
						|
     * Setting this to true will tell the parser that the argument expects more
 | 
						|
     * than one argument and that argument values should be stored in an array.
 | 
						|
     *
 | 
						|
     * @var boolean $multiple Whether the argument expects multiple values
 | 
						|
     */
 | 
						|
    public $multiple = false;
 | 
						|
 | 
						|
    /**
 | 
						|
     * Setting this to true will tell the parser that the argument is optional
 | 
						|
     * and can be ommited.
 | 
						|
     * Note that it is not a good practice to make arguments optional, it is
 | 
						|
     * the role of the options to be optional, by essence.
 | 
						|
     *
 | 
						|
     * @var boolean $optional Whether the argument is optional or not.
 | 
						|
     */
 | 
						|
    public $optional = false;
 | 
						|
 | 
						|
    /**
 | 
						|
     * An array of possible values for the argument.
 | 
						|
     *
 | 
						|
     * @var array $choices Valid choices for the argument
 | 
						|
     */
 | 
						|
    public $choices = array();
 | 
						|
 | 
						|
    // }}}
 | 
						|
    // validate() {{{
 | 
						|
 | 
						|
    /**
 | 
						|
     * Validates the argument instance.
 | 
						|
     *
 | 
						|
     * @return void
 | 
						|
     * @throws Console_CommandLine_Exception
 | 
						|
     * @todo use exceptions
 | 
						|
     */
 | 
						|
    public function validate()
 | 
						|
    {
 | 
						|
        // check if the argument name is valid
 | 
						|
        if (!preg_match('/^[a-zA-Z_\x7f-\xff]+[a-zA-Z0-9_\x7f-\xff]*$/',
 | 
						|
            $this->name)) {
 | 
						|
            Console_CommandLine::triggerError(
 | 
						|
                'argument_bad_name',
 | 
						|
                E_USER_ERROR,
 | 
						|
                array('{$name}' => $this->name)
 | 
						|
            );
 | 
						|
        }
 | 
						|
        if (!$this->optional && $this->default !== null) {
 | 
						|
            Console_CommandLine::triggerError(
 | 
						|
                'argument_no_default',
 | 
						|
                E_USER_ERROR
 | 
						|
            );
 | 
						|
        }
 | 
						|
        parent::validate();
 | 
						|
    }
 | 
						|
 | 
						|
    // }}}
 | 
						|
}
 |