| # Copyright 2020 The Chromium Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| from typing import Tuple |
| |
| import wayland_protocol_data_classes |
| |
| # Short aliases for typing |
| Protocol = wayland_protocol_data_classes.Protocol |
| |
| |
| def get_external_interfaces_for_protocol( |
| protocol: Protocol) -> Tuple[str, ...]: |
| """Gets the names of interfaces referenced but not defined by a protocol.""" |
| |
| # Get the set of interfaces defined by the protocol |
| defined_interfaces = set(i.name for i in protocol.interfaces) |
| |
| # Get and store the set of interfaces that are external to the protocol |
| external_interface_names = set() |
| for i in protocol.interfaces: |
| external_interface_names.update( |
| a.interface for r in i.requests for a in r.args |
| if a.interface and a.interface not in defined_interfaces) |
| external_interface_names.update( |
| a.interface for e in i.events for a in e.args |
| if a.interface and a.interface not in defined_interfaces) |
| |
| return tuple(external_interface_names) |
