/vendor/Microsoft/Console/Command/ParameterSource/ConfigFile.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   Microsoft

 * @package    Microsoft_Console

 * @subpackage Exception

 * @version    $Id: Exception.php 55733 2011-01-03 09:17:16Z unknown $

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

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

 */



/**

 * @see Microsoft_AutoLoader

 */

require_once dirname(__FILE__) . '/../../../AutoLoader.php';



/**

 * @category   Microsoft

 * @package    Microsoft_Console

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

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

 */

class Microsoft_Console_Command_ParameterSource_ConfigFile

	implements Microsoft_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])) {

					throw new Microsoft_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)) {

			throw new Microsoft_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;

	}

}