repo_zf1/library/Zend/Service/Console/Command/ParameterSource/Prompt.php

<?php
/**
 * Copyright (c) 2009 - 2011, RealDolmen
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of RealDolmen nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY RealDolmen ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL RealDolmen BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * @category   Zend
 * @package    Zend_Service_Console
 * @subpackage Exception
 * @version    $Id$
 * @copyright  Copyright (c) 2009 - 2011, RealDolmen (http://www.realdolmen.com)
 * @license    http://phpazure.codeplex.com/license
 */

/**
* @see Zend_Service_Console_Command_ParameterSource_ParameterSourceInterface
*/
require_once 'Zend/Service/Console/Command/ParameterSource/ParameterSourceInterface.php';

/**
 * @category   Zend
 * @package    Zend_Service_Console
 * @copyright  Copyright (c) 2009 - 2011, RealDolmen (http://www.realdolmen.com)
 * @license    http://phpazure.codeplex.com/license
 */
class Zend_Service_Console_Command_ParameterSource_Prompt
	implements Zend_Service_Console_Command_ParameterSource_ParameterSourceInterface
{
	/**
	 * Get value for a named parameter.
	 *
	 * @param mixed $parameter Parameter to get a value for
	 * @param array $argv Argument values passed to the script when run in console.
	 * @return mixed
	 */
	public function getValueForParameter($parameter, $argv = array())
	{
		// Default value
		$parameterValue = null;

		// Prompt the user
		fwrite(STDOUT, "Supply a value for " . $parameter->aliases[0] . ": ");
		/*if ($parameter->description != '' && !is_null($parameter->description)) {
			fwrite(STDOUT, $parameter->description . ".\r\n");
		}*/

		while (is_null($parameterValue) || $parameterValue == '') {
			$parameterValue = trim(fgets(STDIN));
		}

		// Done!
		return $parameterValue;
	}
}