<?php

// vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4:

/**

 * Smiley rule Xhtml renderer

 *

 * PHP versions 4 and 5

 *

 * @category   Text

 * @package    Text_Wiki

 * @author     Bertrand Gugger <bertrand@toggg.com>

 * @copyright  2005 bertrand Gugger

 * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1

 * @version    CVS: $Id: Smiley.php,v 1.2 2006/02/10 23:07:03 toggg Exp $

 * @link       http://pear.php.net/package/Text_Wiki

 */

/**

 * Smiley rule Xhtml render class

 *

 * @category   Text

 * @package    Text_Wiki

 * @author     Bertrand Gugger <bertrand@toggg.com>

 * @copyright  2005 bertrand Gugger

 * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1

 * @version    Release: @package_version@

 * @link       http://pear.php.net/package/Text_Wiki

 * @see        Text_Wiki::Text_Wiki_Render()

 */

class Text_Wiki_Render_Xhtml_Smiley extends Text_Wiki_Render {

    /**

     * Configuration keys for this rule

     * 'prefix' => the path to smileys images inclusive file name prefix,

     *             starts with '/' ==> abolute reference

     *             if no file names prefix but some folder, terminates with '/'

     * 'extension' => the file extension (inclusive '.'), e.g. :

     *       if prefix 'smileys/icon_' and extension '.gif'

     *       ':)' whose name is 'smile' will give relative file 'smileys/icon_smile.gif'

     *       if prefix '/image/smileys/' and extension '.png': absolute '/image/smileys/smile.gif'

     * 'css' => optional style applied to smileys

     *

     * @access public

     * @var array 'config-key' => mixed config-value

     */

    var $conf = array(

        'prefix' => 'images/smiles/icon_',

        'extension' => '.gif',

        'css' => null

    );

    /**

      * Renders a token into text matching the requested format.

      * process the Smileys

      *

      * @access public

      * @param array $options The "options" portion of the token (second element).

      * @return string The text rendered from the token options.

      */

    function token($options)

    {

        $imageFile = $this->getConf('prefix') . $options['name'] . $this->getConf('extension');

        // attempt to get the image size

        $imageSize = @getimagesize($imageFile);

        // return the HTML output

        return '<img src="' . $this->textEncode($imageFile) . '"' .

            (is_array($imageSize) ?

                ' width="' . $imageSize[0] . '" height="' . $imageSize[1] .'"' : '') .

            ' alt="' . $options['desc'] . '"' .

            $this->formatConf(' class="%s"', 'css') . ' />';

    }

}

?>