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| <?php |
| // $Id: Interwiki.php,v 1.1 2004-11-24 18:34:35 jpm Exp $ |
| |
| |
| /** |
| * |
| * This class implements a Text_Wiki_Parse 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 <pmjones@ciaweb.net> |
| * |
| * @package Text_Wiki |
| * |
| */ |
| |
| class Text_Wiki_Parse_Interwiki extends Text_Wiki_Parse { |
| |
| |
| var $regex = '([A-Za-z0-9_]+):([\/=&~#A-Za-z0-9_]+)'; |
| |
| /** |
| * |
| * Parser. We override the standard parser so we can |
| * find both described interwiki links and standalone links. |
| * |
| * @access public |
| * |
| * @return void |
| * |
| */ |
| |
| function parse() |
| { |
| // described interwiki links |
| $tmp_regex = '/\[\[' . $this->regex . ' (.+?)\]\]/'; |
| $this->wiki->source = preg_replace_callback( |
| $tmp_regex, |
| array(&$this, 'processDescr'), |
| $this->wiki->source); |
| |
| // standalone interwiki links |
| $tmp_regex = '/\[\[' . $this->regex . '\]\]/'; |
| $this->wiki->source = preg_replace_callback( |
| $tmp_regex, |
| array(&$this, 'process'), |
| $this->wiki->source); |
| } |
| |
| |
| /** |
| * |
| * Generates a replacement for the matched standalone interwiki text. |
| * Token options are: |
| * |
| * 'site' => The key name for the Text_Wiki interwiki array map, |
| * usually the name of the interwiki site. |
| * |
| * 'page' => The page on the target interwiki to link to. |
| * |
| * 'text' => The text to display as the link. |
| * |
| * @access public |
| * |
| * @param array &$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], |
| 'text' => $matches[1].':'.$matches[2] |
| ); |
| |
| return $this->wiki->addToken($this->rule, $options); |
| } |
| |
| |
| /** |
| * |
| * Generates a replacement for described interwiki links. Token |
| * options are: |
| * |
| * 'site' => The key name for the Text_Wiki interwiki array map, |
| * usually the name of the interwiki site. |
| * |
| * 'page' => The page on the target interwiki to link to. |
| * |
| * 'text' => The text to display as the link. |
| * |
| * @access public |
| * |
| * @param array &$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 processDescr(&$matches) |
| { |
| $options = array( |
| 'site' => $matches[1], |
| 'page' => $matches[2], |
| 'text' => $matches[3] |
| ); |
| |
| return $this->wiki->addToken($this->rule, $options); |
| } |
| } |
| ?> |