+
+ function trimmed($key, $def=NULL) {
+ $arg = $this->arg($key, $def);
+ return (is_string($arg)) ? trim($arg) : $arg;
+ }
+
+ function handle($argarray) {
+ $this->args =& common_copy_args($argarray);
+ }
+
+ function boolean($key, $def=false) {
+ $arg = strtolower($this->trimmed($key));
+
+ if (is_null($arg)) {
+ return $def;
+ } else if (in_array($arg, array('true', 'yes', '1'))) {
+ return true;
+ } else if (in_array($arg, array('false', 'no', '0'))) {
+ return false;
+ } else {
+ return $def;
+ }
+ }
+
+ function server_error($msg, $code=500) {
+ $action = $this->trimmed('action');
+ common_debug("Server error '$code' on '$action': $msg", __FILE__);
+ common_server_error($msg, $code);
+ }
+
+ function client_error($msg, $code=400) {
+ $action = $this->trimmed('action');
+ common_debug("User error '$code' on '$action': $msg", __FILE__);
+ common_user_error($msg, $code);
+ }
+
+ function self_url() {
+ $action = $this->trimmed('action');
+ $args = $this->args;
+ unset($args['action']);
+ return common_local_url($action, $args);
+ }
+
+ function nav_menu($menu) {
+ $action = $this->trimmed('action');
+ common_element_start('ul', array('id' => 'nav_views'));
+ foreach ($menu as $menuaction => $menudesc) {
+ common_menu_item(common_local_url($menuaction, isset($menudesc[2]) ? $menudesc[2] : NULL),
+ $menudesc[0],
+ $menudesc[1],
+ $action == $menuaction);
+ }
+ common_element_end('ul');