+}}
+
+/**
+ * return atom link elements for all of our hubs
+ */
+
+if(! function_exists('feed_hublinks')) {
+function feed_hublinks() {
+
+ $hub = get_config('system','huburl');
+
+ $hubxml = '';
+ if(strlen($hub)) {
+ $hubs = explode(',', $hub);
+ if(count($hubs)) {
+ foreach($hubs as $h) {
+ $h = trim($h);
+ if(! strlen($h))
+ continue;
+ $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
+ }
+ }
+ }
+ return $hubxml;
+}}
+
+/* return atom link elements for salmon endpoints */
+
+if(! function_exists('feed_salmonlinks')) {
+function feed_salmonlinks($nick) {
+
+ $a = get_app();
+
+ $salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
+
+ // old style links that status.net still needed as of 12/2010
+
+ $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
+ $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
+ return $salmon;
+}}
+
+if(! function_exists('get_plink')) {
+function get_plink($item) {
+ $a = get_app();
+ $plink = (((x($item,'plink')) && (! $item['private'])) ? '<div class="wall-item-links-wrapper"><a href="'
+ . $item['plink'] . '" title="' . t('link to source') . '" target="external-link" ><img src="' . $a->get_baseurl() . '/images/remote-link.gif" alt="' . t('link to source') . '" /></a></div>' : '');
+ return $plink;
+}}
+
+if(! function_exists('unamp')) {
+function unamp($s) {
+ return str_replace('&', '&', $s);
+}}
+
+
+if(! function_exists('lang_selector')) {
+function lang_selector() {
+ global $lang;
+ $o .= '<div id="language-selector" style="display: none;" >';
+ $o .= '<form action="" method="post" ><select name="system_language" onchange="this.form.submit();" >';
+ $langs = glob('view/*/strings.php');
+ if(is_array($langs) && count($langs)) {
+ if(! in_array('view/en/strings.php',$langs))
+ $langs[] = 'view/en/';
+ foreach($langs as $l) {
+ $ll = substr($l,5);
+ $ll = substr($ll,0,strrpos($ll,'/'));
+ $selected = (($ll === $lang) ? ' selected="selected" ' : '');
+ $o .= '<option value="' . $ll . '"' . $selected . '>' . $ll . '</option>';
+ }
+ }
+ $o .= '</select></form></div>';
+ return $o;
+}}
+
+
+if(! function_exists('parse_xml_string')) {
+function parse_xml_string($s) {
+ if(! strstr($s,'<?xml'))
+ return false;
+ $s2 = substr($s,strpos($s,'<?xml'));
+ libxml_use_internal_errors(true);
+ $x = @simplexml_load_string($s2);
+ if(count(libxml_get_errors()))
+ foreach(libxml_get_errors() as $err)
+ logger('libxml: parse: ' . $err, LOGGER_DATA);
+ libxml_clear_errors();
+ return $x;
+}}