includes/wikiengine/Render/Xhtml/Code.php
changeset 1027 98c052fc3337
parent 1026 f0431eb8161e
child 1028 dde4416dea00
equal deleted inserted replaced
1026:f0431eb8161e 1027:98c052fc3337
     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                 '&nbsp;'  => ' ',
       
    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 ?>