1 // Go support for Protocol Buffers - Google's data interchange format
3 // Copyright 2010 Google Inc. All rights reserved.
4 // http://code.google.com/p/goprotobuf/
6 // Redistribution and use in source and binary forms, with or without
7 // modification, are permitted provided that the following conditions are
10 // * Redistributions of source code must retain the above copyright
11 // notice, this list of conditions and the following disclaimer.
12 // * Redistributions in binary form must reproduce the above
13 // copyright notice, this list of conditions and the following disclaimer
14 // in the documentation and/or other materials provided with the
16 // * Neither the name of Google Inc. nor the names of its
17 // contributors may be used to endorse or promote products derived from
18 // this software without specific prior written permission.
20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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30 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 import "extension_base.proto";
33 import "extension_extra.proto";
35 package extension_user;
38 optional string name = 1;
39 optional string rank = 2;
42 // Extend with a message
43 extend extension_base.BaseMessage {
44 optional UserMessage user_message = 5;
47 // Extend with a foreign message
48 extend extension_base.BaseMessage {
49 optional extension_extra.ExtraMessage extra_message = 9;
52 // Extend with some primitive types
53 extend extension_base.BaseMessage {
54 optional int32 width = 6;
55 optional int64 area = 7;
58 // Extend inside the scope of another type
60 extend extension_base.BaseMessage {
61 optional uint32 volume = 8;
63 extensions 100 to max;
66 // Extend inside the scope of another type, using a message.
67 message LoginMessage {
68 extend extension_base.BaseMessage {
69 required UserMessage user_message = 16;
73 // An extension of an extension
74 message Announcement {
75 optional string words = 1;
77 optional Announcement loud_ext = 100;
81 // Something that can be put in a message set.
82 message OldStyleParcel {
83 extend extension_base.OldStyleMessage {
84 optional OldStyleParcel message_set_extension = 2001;
87 required string name = 1;
88 optional int32 height = 2;