| // +----------------------------------------------------------------------+ // // $Id: interwiki.php,v 1.3 2004/01/31 15:52:08 pmjones Exp $ /** * * This class implements a Text_Wiki_Rule to find source text marked as * an Interwiki link. See the regex for a detailed explanation of the * text matching procedure; e.g., "InterWikiName:PageName". * * @author Paul M. Jones * * @package Text_Wiki * */ class Text_Wiki_Rule_interwiki extends Text_Wiki_Rule { /** * * Constructor. We override the Text_Wiki_Rule constructor so we can * explicitly comment each part of the $regex property. * * @access public * * @param object &$obj The calling "parent" Text_Wiki object. * * @param string $name The token name to use for this rule. * */ function Text_Wiki_Rule_interwiki(&$obj, $name) { parent::Text_Wiki_Rule($obj, $name); $this->regex = '/([A-Za-z0-9]+):([\/=&~#A-Za-z0-9]+)/'; } /** * * Generates a replacement for the matched text. Token options are: * * 'site' => The key name for the Text_Wiki interwiki array map, usually * the name of the interwiki site. * * 'page' => The page on the target interwiki to link to. * * @access public * * @param array &$matches The array of matches from parse(). * * @return A delimited token to be used as a placeholder in * the source text, plus any text priot to the match. * */ function process(&$matches) { $options = array( 'site' => $matches[1], 'page' => $matches[2] ); return $this->addToken($options); } /** * * 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) { $site = $options['site']; $page = $options['page']; if (isset($this->_wiki->interwiki[$site])) { $href = $this->_wiki->interwiki[$site]; } else { $href = ''; } if ($href != '') { return "$site:$page"; } else { return "$site:$page"; } } } ?>