| 1 | <?php |
| 2 | |
| 3 | class Text_Wiki_Render_Xhtml_Code extends Text_Wiki_Render { |
| 4 | |
| 5 | var $conf = array( |
| 6 | 'css' => null, // class for <pre> |
| 7 | 'css_code' => null, // class for generic <code> |
| 8 | 'css_php' => null, // class for PHP <code> |
| 9 | 'css_html' => null // class for HTML <code> |
| 10 | ); |
| 11 | |
| 12 | /** |
| 13 | * |
| 14 | * Renders a token into text matching the requested format. |
| 15 | * |
| 16 | * @access public |
| 17 | * |
| 18 | * @param array $options The "options" portion of the token (second |
| 19 | * element). |
| 20 | * |
| 21 | * @return string The text rendered from the token options. |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | function token($options) |
| 26 | { |
| 27 | $text = $options['text']; |
| 28 | $attr = $options['attr']; |
| 29 | $type = strtolower($attr['type']); |
| 30 | |
| 31 | $css = $this->formatConf(' class="%s"', 'css'); |
| 32 | $css_code = $this->formatConf(' class="%s"', 'css_code'); |
| 33 | $css_php = $this->formatConf(' class="%s"', 'css_php'); |
| 34 | $css_html = $this->formatConf(' class="%s"', 'css_html'); |
| 35 | |
| 36 | if ($type == 'php') { |
| 37 | |
| 38 | // PHP code example: |
| 39 | // add the PHP tags |
| 40 | $text = "<?php\n" . $options['text'] . "\n?>"; // <?php |
| 41 | |
| 42 | // convert tabs to four spaces |
| 43 | $text = str_replace("\t", " ", $text); |
| 44 | |
| 45 | // colorize the code block (also converts HTML entities and adds |
| 46 | // <code>...</code> tags) |
| 47 | ob_start(); |
| 48 | highlight_string($text); |
| 49 | $text = ob_get_contents(); |
| 50 | ob_end_clean(); |
| 51 | |
| 52 | // replace <br /> tags with simple newlines. |
| 53 | // replace non-breaking space with simple spaces. |
| 54 | // translate HTML <font> and color to XHTML <span> and style. |
| 55 | // courtesy of research by A. Kalin :-). |
| 56 | $map = array( |
| 57 | '<br />' => "\n", |
| 58 | ' ' => ' ', |
| 59 | '<font' => '<span', |
| 60 | '</font>' => '</span>', |
| 61 | 'color="' => 'style="color:' |
| 62 | ); |
| 63 | $text = strtr($text, $map); |
| 64 | |
| 65 | // get rid of the last newline inside the code block |
| 66 | // (becuase higlight_string puts one there) |
| 67 | if (substr($text, -8) == "\n</code>") { |
| 68 | $text = substr($text, 0, -8) . "</code>"; |
| 69 | } |
| 70 | |
| 71 | // replace all <code> tags with classed tags |
| 72 | if ($css_php) { |
| 73 | $text = str_replace('<code>', "<code$css_php>", $text); |
| 74 | } |
| 75 | |
| 76 | // done |
| 77 | $text = "<pre$css>$text</pre>"; |
| 78 | |
| 79 | } elseif ($type == 'html' || $type == 'xhtml') { |
| 80 | |
| 81 | // HTML code example: |
| 82 | // add <html> opening and closing tags, |
| 83 | // convert tabs to four spaces, |
| 84 | // convert entities. |
| 85 | $text = str_replace("\t", " ", $text); |
| 86 | $text = "<html>\n$text\n</html>"; |
| 87 | $text = htmlentities($text); |
| 88 | $text = "<pre$css><code$css_html>$text</code></pre>"; |
| 89 | |
| 90 | } else { |
| 91 | // generic code example: |
| 92 | // convert tabs to four spaces, |
| 93 | // convert entities. |
| 94 | $text = str_replace("\t", " ", $text); |
| 95 | $text = htmlentities($text); |
| 96 | $text = "<pre$css><code$css_code>$text</code></pre>"; |
| 97 | } |
| 98 | |
| 99 | return "\n$text\n\n"; |
| 100 | } |
| 101 | } |
| 102 | ?> |