+ return dnpgettext(textdomain(NULL), $msgid, $plural, $n, LC_MESSAGES);
+ }
+}
+
+/**
+ * Shortcut for *gettext functions with smart domain detection.
+ *
+ * If calling from a plugin, this function checks which plugin was
+ * being called from and uses that as text domain, which will have
+ * been set up during plugin initialization.
+ *
+ * Also handles plurals and contexts depending on what parameters
+ * are passed to it:
+ *
+ * gettext -> _m($msg)
+ * ngettext -> _m($msg1, $msg2, $n)
+ * pgettext -> _m($ctx, $msg)
+ * npgettext -> _m($ctx, $msg1, $msg2, $n)
+ *
+ * @fixme may not work properly in eval'd code
+ *
+ * @param string $msg
+ * @return string
+ */
+function _m($msg/*, ...*/)
+{
+ $domain = _mdomain(debug_backtrace());
+ $args = func_get_args();
+ switch(count($args)) {
+ case 1: return dgettext($domain, $msg);
+ case 2: return dpgettext($domain, $args[0], $args[1]);
+ case 3: return dngettext($domain, $args[0], $args[1], $args[2]);
+ case 4: return dnpgettext($domain, $args[0], $args[1], $args[2], $args[3]);
+ default: throw new Exception("Bad parameter count to _m()");
+ }
+}
+
+/**
+ * Looks for which plugin we've been called from to set the gettext domain;
+ * if not in a plugin subdirectory, we'll use the default 'statusnet'.
+ *
+ * Note: we can't return null for default domain since most of the PHP gettext
+ * wrapper functions turn null into "" before passing to the backend library.
+ *
+ * @param array $backtrace debug_backtrace() output
+ * @return string
+ * @private
+ * @fixme could explode if SN is under a 'plugins' folder or share name.
+ */
+function _mdomain($backtrace)
+{
+ /*
+ 0 =>
+ array
+ 'file' => string '/var/www/mublog/plugins/FeedSub/FeedSubPlugin.php' (length=49)
+ 'line' => int 77
+ 'function' => string '_m' (length=2)
+ 'args' =>
+ array
+ 0 => &string 'Feeds' (length=5)
+ */
+ static $cached;
+ $path = $backtrace[0]['file'];
+ if (!isset($cached[$path])) {
+ $final = 'statusnet'; // assume default domain
+ if (DIRECTORY_SEPARATOR !== '/') {
+ $path = strtr($path, DIRECTORY_SEPARATOR, '/');
+ }
+ $plug = strpos($path, '/plugins/');
+ if ($plug === false) {
+ // We're not in a plugin; return default domain.
+ $final = 'statusnet';