1 <?php

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

     3 /**

     4  * Code 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: Code.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 code blocks 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_Code extends Text_Wiki_Render {

    27 

    28     var $conf = array(

    29         'css'      => null, // class for <pre>

    30         'css_code' => null, // class for generic <code>

    31         'css_php'  => null, // class for PHP <code>

    32         'css_html' => null, // class for HTML <code>

    33         'css_filename' => null // class for optional filename <div>

    34     );

    35 

    36     /**

    37     *

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

    39     *

    40     * @access public

    41     *

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

    43     * element).

    44     *

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

    46     *

    47     */

    48 

    49     function token($options)

    50     {

    51         $text = $options['text'];

    52         $attr = $options['attr'];

    53         $type = strtolower($attr['type']);

    54 

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

    56         $css_code = $this->formatConf(' class="%s"', 'css_code');

    57         $css_php  = $this->formatConf(' class="%s"', 'css_php');

    58         $css_html = $this->formatConf(' class="%s"', 'css_html');

    59         $css_filename = $this->formatConf(' class="%s"', 'css_filename');

    60 

    61         if ($type == 'php') {

    62             if (substr($options['text'], 0, 5) != '<?php') {

    63                 // PHP code example:

    64                 // add the PHP tags

    65                 $text = "<?php\n" . $options['text'] . "\n?>"; // <?php

    66             }

    67 

    68             // convert tabs to four spaces

    69             $text = str_replace("\t", "    ", $text);

    70 

    71             // colorize the code block (also converts HTML entities and adds

    72             // <code>...</code> tags)

    73             ob_start();

    74             highlight_string($text);

    75             $text = ob_get_contents();

    76             ob_end_clean();

    77 

    78             // replace <br /> tags with simple newlines.

    79             // replace non-breaking space with simple spaces.

    80             // translate HTML <font> and color to XHTML <span> and style.

    81             // courtesy of research by A. Kalin :-).

    82             $map = array(

    83                 '<br />'  => "\n",

    84                 ' '  => ' ',

    85                 '<font'   => '<span',

    86                 '</font>' => '</span>',

    87                 'color="' => 'style="color:'

    88             );

    89             $text = strtr($text, $map);

    90 

    91             // get rid of the last newline inside the code block

    92             // (becuase higlight_string puts one there)

    93             if (substr($text, -8) == "\n</code>") {

    94                 $text = substr($text, 0, -8) . "</code>";

    95             }

    96 

    97             // replace all <code> tags with classed tags

    98             if ($css_php) {

    99                 $text = str_replace('<code>', "<code$css_php>", $text);

   100             }

   101 

   102             // done

   103             $text = "<pre$css>$text</pre>";

   104 

   105         } elseif ($type == 'html' || $type == 'xhtml') {

   106 

   107             // HTML code example:

   108             // add <html> opening and closing tags,

   109             // convert tabs to four spaces,

   110             // convert entities.

   111             $text = str_replace("\t", "    ", $text);

   112             $text = "<html>\n$text\n</html>";

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

   114             $text = "<pre$css><code$css_html>$text</code></pre>";

   115 

   116         } else {

   117             // generic code example:

   118             // convert tabs to four spaces,

   119             // convert entities.

   120             $text = str_replace("\t", "    ", $text);

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

   122             $text = "<pre$css><code$css_code>$text</code></pre>";

   123         }

   124 

   125         if ($css_filename && isset($attr['filename'])) {

   126             $text = "<div$css_filename>" .

   127                 $attr['filename'] . '</div>' . $text;

   128         }

   129 

   130         return "\n$text\n\n";

   131     }

   132 }

   133 ?>