--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/includes/wikiengine/Render/Xhtml/Wikilink.php	Wed Jun 13 16:07:17 2007 -0400
@@ -0,0 +1,163 @@
+<?php
+// vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4:
+/**
+ * Wikilink rule end renderer for Xhtml
+ *
+ * PHP versions 4 and 5
+ *
+ * @category   Text
+ * @package    Text_Wiki
+ * @author     Paul M. Jones <pmjones@php.net>
+ * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
+ * @version    CVS: $Id: Wikilink.php,v 1.17 2006/02/28 03:15:09 justinpatrin Exp $
+ * @link       http://pear.php.net/package/Text_Wiki
+ */
+
+/**
+ * This class renders wiki links in XHTML.
+ *
+ * @category   Text
+ * @package    Text_Wiki
+ * @author     Paul M. Jones <pmjones@php.net>
+ * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
+ * @version    Release: @package_version@
+ * @link       http://pear.php.net/package/Text_Wiki
+ */
+class Text_Wiki_Render_Xhtml_Wikilink extends Text_Wiki_Render {
+
+  var $conf;
+  
+  function Text_Wiki_Render_Xhtml_Wikilink() {
+    $_utemp = contentPath.'%s';
+    $this->conf = array(
+        'pages' => array(), // set to null or false to turn off page checks
+        'view_url' => $_utemp,
+        'new_url'  => $_utemp,
+        'new_text' => ' [x]',
+        'new_text_pos' => false, // 'before', 'after', or null/false
+        'css' => null,
+        'css_new' => null,
+        'exists_callback' => 'isPage' // call_user_func() callback
+    );
+  }
+
+    /**
+    *
+    * Renders a token into XHTML.
+    *
+    * @access public
+    *
+    * @param array $options The "options" portion of the token (second
+    * element).
+    *
+    * @return string The text rendered from the token options.
+    *
+    */
+
+    function token($options)
+    {
+        global $session;
+        if($session->sid_super) $as = htmlspecialchars(urlSeparator).'auth='.$session->sid_super;
+        else $as = '';
+        // make nice variable names (page, anchor, text)
+        extract($options);
+
+        // is there a "page existence" callback?
+        // we need to access it directly instead of through
+        // getConf() because we'll need a reference (for
+        // object instance method callbacks).
+        if (isset($this->conf['exists_callback'])) {
+            $callback =& $this->conf['exists_callback'];
+        } else {
+        	$callback = false;
+        }
+
+        if ($callback) {
+            // use the callback function
+            $exists = call_user_func($callback, $page);
+        } else {
+            // no callback, go to the naive page array.
+            $list = $this->getConf('pages');
+            if (is_array($list)) {
+                // yes, check against the page list
+                $exists = in_array($page, $list);
+            } else {
+                // no, assume it exists
+                $exists = true;
+            }
+        }
+
+        // convert *after* checking against page names so as not to mess
+        // up what the user typed and what we're checking.
+        //$page = $this->urlEncode($page);
+        $anchor = $this->urlEncode($anchor);
+        $text = $this->textEncode($text);
+
+        // does the page exist?
+        if ($exists) {
+
+            // PAGE EXISTS.
+
+            // link to the page view, but we have to build
+            // the HREF.  we support both the old form where
+            // the page always comes at the end, and the new
+            // form that uses %s for sprintf()
+            $href = $this->getConf('view_url');
+
+            if (strpos($href, '%s') === false) {
+                // use the old form (page-at-end)
+                $href = $href . $page . $anchor;
+            } else {
+                // use the new form (sprintf format string)
+                $href = sprintf($href, $page . $anchor);
+            }
+
+            // get the CSS class and generate output
+            $css = $this->formatConf(' class="%s"', 'css');
+
+            $start = '<a'.$css.' href="'.$href.$as.'">';
+            $end = '</a>';
+        } else {
+
+            // PAGE DOES NOT EXIST.
+
+            // link to the page view, but we have to build
+            // the HREF.  we support both the old form where
+            // the page always comes at the end, and the new
+            // form that uses %s for sprintf()
+            $href = $this->getConf('view_url');
+
+            if (strpos($href, '%s') === false) {
+                // use the old form (page-at-end)
+                $href = $href . $page . $anchor;
+            } else {
+                // use the new form (sprintf format string)
+                $href = sprintf($href, $page . $anchor);
+            }
+
+            // get the CSS class and generate output
+            $css = $this->formatConf(' class="%s"', 'css');
+
+            $start = '<a'.$css.' href="'.$href.$as.'" class="wikilink-nonexistent">';
+            $end = '</a>';
+            
+        }
+        if (!strlen($text)) {
+            $start .= $this->textEncode($options['page']);
+        }
+        if (isset($type)) {
+            switch ($type) {
+            case 'start':
+                $output = $start;
+                break;
+            case 'end':
+                $output = $end;
+                break;
+            }
+        } else {
+            $output = $start.$text.$end;
+        }
+        return $output;
+    }
+}
+?>