lib/dbus/bus_name.rb
# frozen_string_literal: true
# This file is part of the ruby-dbus project
# Copyright (C) 2019 Martin Vidner
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License, version 2.1 as published by the Free Software Foundation.
# See the file "COPYING" for the exact licensing terms.
module DBus
# D-Bus: a name for a connection, like ":1.3" or "org.example.ManagerManager".
# Implemented as a {::String} that validates at initialization time.
# @see https://dbus.freedesktop.org/doc/dbus-specification.html#message-protocol-names-bus
class BusName < String
# @raise Error if not a valid bus name
def initialize(name)
unless self.class.valid?(name)
raise DBus::Error, "Invalid bus name #{name.inspect}"
end
super
end
def self.valid?(name)
name.size <= 255 &&
(name =~ /\A:[A-Za-z0-9_-]+(\.[A-Za-z0-9_-]+)+\z/ ||
name =~ /\A[A-Za-z_-][A-Za-z0-9_-]*(\.[A-Za-z_-][A-Za-z0-9_-]*)+\z/)
end
end
end