| // +----------------------------------------------------------------------+ // // $Id: code.php,v 1.2 2004/01/04 16:03:24 pmjones Exp $ /** * * This class implements a Text_Wiki_Rule to find sections marked as code * examples. Blocks are marked as the string on a line by itself, * followed by the inline code example, and terminated with the string * on a line by itself. The code example is run through the * native PHP highlight_string() function to colorize it, then surrounded * with
...
tags when rendered as XHTML. * * @author Paul M. Jones * * @package Text_Wiki * */ class Text_Wiki_Rule_code extends Text_Wiki_Rule { /** * * The regular expression used to find source text matching this * rule. * * @access public * * @var string * */ var $regex = '/^(\)\n(.+)\n(\<\/code\>)(\s|$)/Umsi'; /** * * Generates a token entry for the matched text. Token options are: * * 'text' => The full matched text, not including the tags. * * @access public * * @param array &$matches The array of matches from parse(). * * @return A delimited token number to be used as a placeholder in * the source text. * */ function process(&$matches) { $options = array('text' => $matches[2]); return $this->addToken($options) . $matches[4]; } /** * * Renders a token into text matching the requested format. * * @access public * * @param array $options The "options" portion of the token (second * element). * * @return string The text rendered from the token options. * */ function renderXhtml($options) { // trim opening and closing whitespace $text = trim($options['text']); // convert tabs to four spaces $text = str_replace("\t", " ", $text); // convert entities $text = htmlentities($text); // done! return "\n
$text
\n"; } } ?>