1// Protocol Buffers - Google's data interchange format
2// Copyright 2008 Google Inc.  All rights reserved.
3// http://code.google.com/p/protobuf/
4//
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are
7// met:
8//
9//     * Redistributions of source code must retain the above copyright
10// notice, this list of conditions and the following disclaimer.
11//     * Redistributions in binary form must reproduce the above
12// copyright notice, this list of conditions and the following disclaimer
13// in the documentation and/or other materials provided with the
14// distribution.
15//     * Neither the name of Google Inc. nor the names of its
16// contributors may be used to endorse or promote products derived from
17// this software without specific prior written permission.
18//
19// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31// Author: kenton@google.com (Kenton Varda)
32//  Based on original Protocol Buffers design by
33//  Sanjay Ghemawat, Jeff Dean, and others.
34//
35// This file contains miscellaneous helper code used by generated code --
36// including lite types -- but which should not be used directly by users.
37
38#ifndef GOOGLE_PROTOBUF_GENERATED_MESSAGE_UTIL_H__
39#define GOOGLE_PROTOBUF_GENERATED_MESSAGE_UTIL_H__
40
41#include <string>
42
43#include <google/protobuf/stubs/common.h>
44namespace google {
45namespace protobuf {
46namespace internal {
47
48// Annotation for the compiler to emit a deprecation message if a field marked
49// with option 'deprecated=true' is used in the code, or for other things in
50// generated code which are deprecated.
51//
52// For internal use in the pb.cc files, deprecation warnings are suppressed
53// there.
54#undef DEPRECATED_PROTOBUF_FIELD
55#define PROTOBUF_DEPRECATED
56
57
58// Constants for special floating point values.
59LIBPROTOBUF_EXPORT double Infinity();
60LIBPROTOBUF_EXPORT double NaN();
61
62// Constant used for empty default strings.
63LIBPROTOBUF_EXPORT extern const ::std::string kEmptyString;
64
65// Defined in generated_message_reflection.cc -- not actually part of the lite
66// library.
67//
68// TODO(jasonh): The various callers get this declaration from a variety of
69// places: probably in most cases repeated_field.h. Clean these up so they all
70// get the declaration from this file.
71LIBPROTOBUF_EXPORT int StringSpaceUsedExcludingSelf(const string& str);
72
73}  // namespace internal
74}  // namespace protobuf
75
76}  // namespace google
77#endif  // GOOGLE_PROTOBUF_GENERATED_MESSAGE_UTIL_H__
78