1 <?php

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

     3 /**

     4  * Url rule end renderer for Xhtml

     5  *

     6  * PHP versions 4 and 5

     7  *

     8  * @category   Text

     9  * @package    Text_Wiki

    10  * @author     Paul M. Jones <pmjones@php.net>

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

    12  * @version    CVS: $Id: Url.php,v 1.13 2006/02/10 23:07:03 toggg Exp $

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

    14  */

    15 

    16 /**

    17  * This class renders URL links in XHTML.

    18  *

    19  * @category   Text

    20  * @package    Text_Wiki

    21  * @author     Paul M. Jones <pmjones@php.net>

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

    23  * @version    Release: @package_version@

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

    25  */

    26 class Text_Wiki_Render_Xhtml_Url extends Text_Wiki_Render {

    27 

    28 

    29     var $conf = array(

    30         'target' => '_blank',

    31         'images' => true,

    32         'img_ext' => array('jpg', 'jpeg', 'gif', 'png'),

    33         'css_inline' => null,

    34         'css_footnote' => null,

    35         'css_descr' => null,

    36         'css_img' => null

    37     );

    38 

    39     /**

    40     *

    41     * Renders a token into text matching the requested format.

    42     *

    43     * @access public

    44     *

    45     * @param array $options The "options" portion of the token (second

    46     * element).

    47     *

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

    49     *

    50     */

    51 

    52     function token($options)

    53     {

    54       global $email;

    55         // create local variables from the options array (text,

    56         // href, type)

    57         extract($options);

    58         

    59         $quote = '"';

    60 

    61         // find the rightmost dot and determine the filename

    62         // extension.

    63         $pos = strrpos($href, '.');

    64         $ext = strtolower(substr($href, $pos + 1));

    65         

    66         if(substr($href, 0, 7) == 'mailto:')

    67         {

    68           $a = substr($href, 7);

    69           $code = $email->encryptEmail($a, '', '', $text);

    70           return $code;

    71         }

    72         

    73         $href = $this->textEncode($href);

    74 

    75         // does the filename extension indicate an image file?

    76         if ($this->getConf('images') &&

    77             in_array($ext, $this->getConf('img_ext', array()))) {

    78 

    79             // create alt text for the image

    80             if (! isset($text) || $text == '') {

    81                 $text = basename($href);

    82                 $text = $this->textEncode($text);

    83             }

    84 

    85             // generate an image tag

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

    87             $output = "<img$css src={$quote}$href{$quote} alt={$quote}$text{$quote} />";

    88 

    89         } else {

    90           

    91             // should we build a target clause?

    92             if ($href{0} == '#' ||

    93             	strtolower(substr($href, 0, 7)) == 'mailto:') {

    94             	// targets not allowed for on-page anchors

    95             	// and mailto: links.

    96                 $target = '';

    97             } else {

    98 				// allow targets on non-anchor non-mailto links

    99                 $target = $this->getConf('target');

   100             }

   101 

   102             // generate a regular link (not an image)

   103             // $text = $this->textEncode($text);

   104             $css = $this->formatConf(' class="%s"', "css_$type");

   105             $output = "<a$css href={$quote}$href{$quote}";

   106             

   107             // hackish fix for the "external" image in Oxygen [added for Enano]

   108             if ( preg_match('/<(.+?)>/is', $text) )

   109             {

   110               $output .= ' style="background-image: none; padding-right: 0;"';

   111             }

   112 

   113             if ($target) {

   114                 // use a "popup" window.  this is XHTML compliant, suggested by

   115                 // Aaron Kalin.  uses the $target as the new window name.

   116                 $target = $this->textEncode($target);

   117                 $output .= " onclick={$quote}window.open(this.href, '$target');";

   118                 $output .= " return false;{$quote}";

   119             }

   120 

   121             // finish up output

   122             $output .= " rel=".'"'."nofollow".'"'.">$text</a>";

   123 

   124             // make numbered references look like footnotes when no

   125             // CSS class specified, make them superscript by default

   126             if ($type == 'footnote' && ! $css) {

   127                 $output = '<sup>' . $output . '</sup>';

   128             }

   129         }

   130 

   131         return $output;

   132     }

   133 }

   134 ?>