<?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_Http

 * @subpackage UserAgent

 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)

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

 */

/**

 * Zend_Http_UserAgent_Features_Adapter_Interface

 */

require_once 'Zend/Http/UserAgent/Features/Adapter.php';

/**

 * Features adapter utilizing PHP's native browscap support

 *

 * Requires that you have a PHP-compatible version of the browscap.ini, per the

 * instructions at http://php.net/get_browser

 *

 * @package    Zend_Http

 * @subpackage UserAgent

 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)

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

 */

class Zend_Http_UserAgent_Features_Adapter_Browscap implements Zend_Http_UserAgent_Features_Adapter

{

    /**

     * Constructor

     *

     * Validate that we have browscap support available.

     * 

     * @return void

     * @throws Zend_Http_UserAgent_Features_Exception

     */

    public function __construct()

    {

        $browscap = ini_get('browscap');

        if (empty($browscap) || !file_exists($browscap)) {

            require_once 'Zend/Http/UserAgent/Features/Exception.php';

            throw new Zend_Http_UserAgent_Features_Exception(sprintf(

                '%s requires a browscap entry in php.ini pointing to a valid browscap.ini; none present',

                __CLASS__

            ));

        }

    }

    /**

     * Get features from request

     *

     * @param  array $request $_SERVER variable

     * @param  array $config ignored; included only to satisfy parent class

     * @return array

     */

    public static function getFromRequest($request, array $config)

    {

        $browscap = get_browser($request['http_user_agent'], true);

        $features = array();

        foreach ($browscap as $key => $value) {

            // For a few keys, we need to munge a bit for the device object

            switch ($key) {

                case 'browser':

                    $features['mobile_browser'] = $value;

                    break;

                case 'version':

                    $features['mobile_browser_version'] = $value;

                    break;

                case 'platform':

                    $features['device_os'] = $value;

                    break;

                default:

                    $features[$key] = $value;

                    break;

            }

        }

        return $features;

    }

}