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: $Id$ 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 */ 26class 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?> 134