| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * |
| 5 | * Parses for text marked as a code example block. |
| 6 | * |
| 7 | * @category Text |
| 8 | * |
| 9 | * @package Text_Wiki |
| 10 | * |
| 11 | * @author Paul M. Jones <pmjones@php.net> |
| 12 | * |
| 13 | * @license LGPL |
| 14 | * |
| 15 | * @version $Id: Code.php,v 1.3 2005/02/23 17:38:29 pmjones Exp $ |
| 16 | * |
| 17 | */ |
| 18 | |
| 19 | /** |
| 20 | * |
| 21 | * Parses for text marked as a code example block. |
| 22 | * |
| 23 | * This class implements a Text_Wiki_Parse to find sections marked as code |
| 24 | * examples. Blocks are marked as the string <code> on a line by itself, |
| 25 | * followed by the inline code example, and terminated with the string |
| 26 | * </code> on a line by itself. The code example is run through the |
| 27 | * native PHP highlight_string() function to colorize it, then surrounded |
| 28 | * with <pre>...</pre> tags when rendered as XHTML. |
| 29 | * |
| 30 | * @category Text |
| 31 | * |
| 32 | * @package Text_Wiki |
| 33 | * |
| 34 | * @author Paul M. Jones <pmjones@php.net> |
| 35 | * |
| 36 | */ |
| 37 | |
| 38 | class Text_Wiki_Parse_Code extends Text_Wiki_Parse { |
| 39 | |
| 40 | |
| 41 | /** |
| 42 | * |
| 43 | * The regular expression used to find source text matching this |
| 44 | * rule. |
| 45 | * |
| 46 | * @access public |
| 47 | * |
| 48 | * @var string |
| 49 | * |
| 50 | */ |
| 51 | |
| 52 | var $regex = '/^(\<code( .+)?\>)\n(.+)\n(\<\/code\>)(\s|$)/Umsi'; |
| 53 | |
| 54 | |
| 55 | /** |
| 56 | * |
| 57 | * Generates a token entry for the matched text. Token options are: |
| 58 | * |
| 59 | * 'text' => The full matched text, not including the <code></code> tags. |
| 60 | * |
| 61 | * @access public |
| 62 | * |
| 63 | * @param array &$matches The array of matches from parse(). |
| 64 | * |
| 65 | * @return A delimited token number to be used as a placeholder in |
| 66 | * the source text. |
| 67 | * |
| 68 | */ |
| 69 | |
| 70 | function process(&$matches) |
| 71 | { |
| 72 | // are there additional attribute arguments? |
| 73 | $args = trim($matches[2]); |
| 74 | |
| 75 | if ($args == '') { |
| 76 | $options = array( |
| 77 | 'text' => $matches[3], |
| 78 | 'attr' => array('type' => '') |
| 79 | ); |
| 80 | } else { |
| 81 | // get the attributes... |
| 82 | $attr = $this->getAttrs($args); |
| 83 | |
| 84 | // ... and make sure we have a 'type' |
| 85 | if (! isset($attr['type'])) { |
| 86 | $attr['type'] = ''; |
| 87 | } |
| 88 | |
| 89 | // retain the options |
| 90 | $options = array( |
| 91 | 'text' => $matches[3], |
| 92 | 'attr' => $attr |
| 93 | ); |
| 94 | } |
| 95 | |
| 96 | return $this->wiki->addToken($this->rule, $options) . $matches[5]; |
| 97 | } |
| 98 | } |
| 99 | ?> |