/* vim: set expandtab tabstop=4 shiftwidth=4: */ // +----------------------------------------------------------------------+ // | PHP version 4 | // +----------------------------------------------------------------------+ // | Copyright (c) 1997-2003 The PHP Group | // +----------------------------------------------------------------------+ // | This source file is subject to version 2.0 of the PHP license, | // | that is bundled with this package in the file LICENSE, and is | // | available through the world-wide-web at | // | http://www.php.net/license/2_02.txt. | // | If you did not receive a copy of the PHP license and are unable to | // | obtain it through the world-wide-web, please send a note to | // | license@php.net so we can mail you a copy immediately. | // +----------------------------------------------------------------------+ // | Authors: Paul M. Jones | // +----------------------------------------------------------------------+ // // $Id: phpcode.php,v 1.1 2004/02/26 11:27:54 garvinhicking 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_phpcode extends Text_Wiki_Rule { /** * * The regular expression used to find source text matching this * rule. * * @access public * * @var string * */ var $regex = '/^(\)\n(.+)\n(\)(\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) { // add the PHP tags $text = " // convert tabs to four spaces $text = str_replace("\t", " ", $text); // colorize the code block (also converts HTML entities and adds // ... tags) ob_start(); highlight_string($text); $text = ob_get_contents(); ob_end_clean(); // replace tags with simple newlines $text = str_replace("", "\n", $text); // replace non-breaking space with simple spaces $text = str_replace(" ", " ", $text); // get rid of the last newline inside the code block // (becuase higlight_string puts one there) if (substr($text, -8) == "\n") { $text = substr($text, 0, -8) . ""; } return "\n$text\n"; } } ?>
