+
+/**
+ * This function removes the tag $tag from the text $body and replaces it with
+ * the appropiate link.
+ *
+ * @param unknown_type $body the text to replace the tag in
+ * @param unknown_type $inform a comma-seperated string containing everybody to inform
+ * @param unknown_type $str_tags string to add the tag to
+ * @param unknown_type $profile_uid
+ * @param unknown_type $tag the tag to replace
+ */
+function handle_tag($a, &$body, &$inform, &$str_tags, $profile_uid, $tag) {
+ //is it a hash tag?
+ if(strpos($tag,'#') === 0) {\r
+ //if the tag is replaced...
+ if(strpos($tag,'[url='))
+ //...do nothing\r
+ continue;
+ //base tag has the tags name only\r
+ $basetag = str_replace('_',' ',substr($tag,1));\r
+ //create text for link
+ $newtag = '#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
+ //replace tag by the link\r
+ $body = str_replace($tag, $newtag, $body);\r
+
+ //is the link already in str_tags?\r
+ if(! stristr($str_tags,$newtag)) {\r
+ //append or set str_tags
+ if(strlen($str_tags))\r
+ $str_tags .= ',';\r
+ $str_tags .= $newtag;\r
+ }\r
+ return;\r
+ }
+ //is it a person tag? \r
+ if(strpos($tag,'@') === 0) {\r
+ //is it already replaced?
+ if(strpos($tag,'[url='))\r
+ continue;\r
+ $stat = false;\r
+ //get the person's name
+ $name = substr($tag,1);
+ //is it a link or a full dfrn address? \r
+ if((strpos($name,'@')) || (strpos($name,'http://'))) {\r
+ $newname = $name;\r
+ //get the profile links
+ $links = @lrdd($name);\r
+ if(count($links)) {\r
+ //for all links, collect how is to inform and how's profile is to link
+ foreach($links as $link) {\r
+ if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')\r
+ $profile = $link['@attributes']['href'];\r
+ if($link['@attributes']['rel'] === 'salmon') {\r
+ if(strlen($inform))\r
+ $inform .= ',';\r
+ $inform .= 'url:' . str_replace(',','%2c',$link['@attributes']['href']);\r
+ }\r
+ }\r
+ }\r
+ } else { //if it is a name rather than an address\r
+ $newname = $name;\r
+ $alias = '';\r
+ $tagcid = 0;
+ //is it some generated name?\r
+ if(strrpos($newname,'+')) {\r
+ //get the id
+ $tagcid = intval(substr($newname,strrpos($newname,'+') + 1));\r
+ //remove the next word from tag's name
+ if(strpos($name,' ')) {\r
+ $name = substr($name,0,strpos($name,' '));
+ }\r
+ }
+ if($tagcid) { //if there was an id
+ //select contact with that id from the logged in user's contact list\r
+ $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",\r
+ intval($tagcid),\r
+ intval($profile_uid)
+ );\r
+ } elseif(strstr($name,'_') || strstr($name,' ')) { //no id
+ //get the real name\r
+ $newname = str_replace('_',' ',$name);\r
+ //select someone from this user's contacts by name
+ $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",\r
+ dbesc($newname),\r
+ intval($profile_uid)\r
+ );\r
+ } else {
+ //select someone by attag or nick and the name passed in\r
+ $r = q("SELECT * FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",\r
+ dbesc($name),\r
+ dbesc($name),\r
+ intval($profile_uid)\r
+ );\r
+ }
+ //$r is set, if someone could be selected\r
+ if(count($r)) {\r
+ $profile = $r[0]['url'];
+ //set newname to nick, find alias\r
+ if($r[0]['network'] === 'stat') {\r
+ $newname = $r[0]['nick'];\r
+ $stat = true;\r
+ if($r[0]['alias'])\r
+ $alias = $r[0]['alias'];\r
+ }\r
+ else\r
+ $newname = $r[0]['name'];\r
+ //add person's id to $inform
+ if(strlen($inform))\r
+ $inform .= ',';\r
+ $inform .= 'cid:' . $r[0]['id'];\r
+ }\r
+ }
+ //if there is an url for this persons profile\r
+ if(isset($profile)) {\r
+ //create profile link
+ $profile = str_replace(',','%2c',$profile);\r
+ $newtag = '@[url=' . $profile . ']' . $newname . '[/url]';\r
+ $body = str_replace('@' . $name, $newtag, $body);\r
+ //append tag to str_tags
+ if(! stristr($str_tags,$newtag)) {\r
+ if(strlen($str_tags))\r
+ $str_tags .= ',';\r
+ $str_tags .= $newtag;\r
+ }\r
+ \r
+ // Status.Net seems to require the numeric ID URL in a mention if the person isn't\r
+ // subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both.\r
+ \r
+ if(strlen($alias)) {\r
+ $newtag = '@[url=' . $alias . ']' . $newname . '[/url]';\r
+ if(! stristr($str_tags,$newtag)) {\r
+ if(strlen($str_tags))\r
+ $str_tags .= ',';\r
+ $str_tags .= $newtag;\r
+ }\r
+ }\r
+ }\r
+ }
+}