<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Service_Console

 * @subpackage Exception

 * @version    $Id$

 * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @copyright  Copyright (c) 2009 - 2011, RealDolmen (http://www.realdolmen.com)

 * @license    http://phpazure.codeplex.com/license

 */

class Zend_Service_Console_Command_ParameterSource_ConfigFile

	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())

	{

		// Configuration file path

		$configurationFilePath = null;

		// Check if a path to a configuration file is specified

		foreach ($argv as $parameterInput) {

			$parameterInput = explode('=', $parameterInput, 2);

			if (strtolower($parameterInput[0]) == '--configfile' || strtolower($parameterInput[0]) == '-f') {

				if (!isset($parameterInput[1])) {

					require_once 'Zend/Service/Console/Exception.php';

					throw new Zend_Service_Console_Exception("No path to a configuration file is given. Specify the path using the --ConfigFile or -F switch.");

				}

				$configurationFilePath = $parameterInput[1];

				break;

			}

		}

		// Value given?

		if (is_null($configurationFilePath)) {

			return null;

		}

		if (!file_exists($configurationFilePath)) {

			require_once 'Zend/Service/Console/Exception.php';

			throw new Zend_Service_Console_Exception("Invalid configuration file given. Specify the correct path using the --ConfigFile or -F switch.");

		}

		// Parse values

		$iniValues = parse_ini_file($configurationFilePath);

		// Default value

		$parameterValue = null;

		// Loop aliases

		foreach ($parameter->aliases as $alias) {

			if (array_key_exists($alias, $iniValues)) {

				$parameterValue = $iniValues[$alias]; break;

			} else if (array_key_exists(strtolower($alias), $iniValues)) {

				$parameterValue = $iniValues[strtolower($alias)]; break;

			} else if (array_key_exists(str_replace('-', '', $alias), $iniValues)) {

				$parameterValue = $iniValues[str_replace('-', '', $alias)]; break;

			} else if (array_key_exists(strtolower(str_replace('-', '', $alias)), $iniValues)) {

				$parameterValue = $iniValues[strtolower(str_replace('-', '', $alias))]; break;

			}

		}

		if (strtolower($parameterValue) == 'true') {

			$parameterValue = true;

		} else if (strtolower($parameterValue) == 'false') {

			$parameterValue = false;

		}

		// Done!

		return $parameterValue;

	}

}