<?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_Markup

 * @subpackage Renderer_Html

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

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

 * @version    $Id: Img.php 24593 2012-01-05 20:35:02Z matthew $

 */

/**

 * @see Zend_Markup_Renderer_Html

 */

require_once 'Zend/Markup/Renderer/Html.php';

/**

 * @see Zend_Markup_Renderer_Html_HtmlAbstract

 */

require_once 'Zend/Markup/Renderer/Html/HtmlAbstract.php';

/**

 * Tag interface

 *

 * @category   Zend

 * @package    Zend_Markup

 * @subpackage Renderer_Html

 * @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_Markup_Renderer_Html_Img extends Zend_Markup_Renderer_Html_HtmlAbstract

{

    /**

     * Convert the token

     *

     * @param Zend_Markup_Token $token

     * @param string $text

     *

     * @return string

     */

    public function convert(Zend_Markup_Token $token, $text)

    {

        $uri = $text;

        if (!preg_match('/^([a-z][a-z+\-.]*):/i', $uri)) {

            $uri = 'http://' . $uri;

        }

        // check if the URL is valid

        if (!Zend_Markup_Renderer_Html::isValidUri($uri)) {

            return $text;

        }

        if ($token->hasAttribute('alt')) {

            $alt = $token->getAttribute('alt');

        } else {

            // try to get the alternative from the URL

            $alt = rtrim($text, '/');

            $alt = strrchr($alt, '/');

            if (false !== strpos($alt, '.')) {

                $alt = substr($alt, 1, strpos($alt, '.') - 1);

            }

        }

        // run the URI and alt through htmlentities

        $uri = htmlentities($uri, ENT_QUOTES, Zend_Markup_Renderer_Html::getEncoding());

        $alt = htmlentities($alt, ENT_QUOTES, Zend_Markup_Renderer_Html::getEncoding());

        return "<img src=\"{$uri}\" alt=\"{$alt}\"" . Zend_Markup_Renderer_Html::renderAttributes($token) . " />";

    }

}