LocateUri: new library to classify URIs in a standard way

src/command/FileCommands.hxx

@@ -25,10 +25,11 @@
 class Client;
 class Request;
 class Response;
+class Path;
 
 CommandResult
-handle_listfiles_local(Client &client, Response &response,
-		       const char *path_utf8);
+handle_listfiles_local(Response &response,
+		       const char *path_utf8, Path path_fs);
 
 CommandResult
 handle_read_comments(Client &client, Request request, Response &response);