<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

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

 */

require_once 'Zend/Http/UserAgent/AbstractDevice.php';

/**

 * Text browser type matcher

 *

 * @category   Zend

 * @package    Zend_Http

 * @subpackage UserAgent

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

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

 */

class Zend_Http_UserAgent_Text extends Zend_Http_UserAgent_AbstractDevice

{

    /**

     * User Agent Signatures

     *

     * @var array

     */

    protected static $_uaSignatures = array(

        'lynx', 

        'retawq', 

        'w3m',

    );

    /**

     * Comparison of the UserAgent chain and User Agent signatures

     *

     * @param string $userAgent User Agent chain

     * @param  array $server $_SERVER like param

     * @return bool

     */

    public static function match($userAgent, $server)

    {

        return self::_matchAgentAgainstSignatures($userAgent, self::$_uaSignatures);

    }

    /**

     * Gives the current browser type

     *

     * @return string

     */

    public function getType()

    {

        return 'text';

    }

    /**

     * Look for features

     *

     * @return string

     */

    protected function _defineFeatures()

    {

        $this->setFeature('images', false, 'product_capability');

        $this->setFeature('iframes', false, 'product_capability');

        $this->setFeature('frames', false, 'product_capability');

        $this->setFeature('javascript', false, 'product_capability');

        return parent::_defineFeatures();

    }

    /**

     * Determine supported image formats

     *

     * @return null

     */

    public function getImageFormatSupport()

    {

        return null;

    }

    /**

     * Get preferred markup format

     *

     * @return string

     */

    public function getPreferredMarkup()

    {

        return 'xhtml';

    }

    /**

     * Get supported X/HTML markup level

     *

     * @return int

     */

    public function getXhtmlSupportLevel()

    {

        return 1;

    }

    /**

     * Does the device support Flash?

     *

     * @return bool

     */

    public function hasFlashSupport()

    {

        return false;

    }

    /**

     * Does the device support PDF?

     *

     * @return bool

     */

    public function hasPdfSupport()

    {

        return false;

    }

}