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kenton@google.com80b1d622009-07-29 01:13:20 +00001// 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
liujisi@google.com33165fe2010-11-02 13:14:58 +000041#include <string>
42
kenton@google.com80b1d622009-07-29 01:13:20 +000043#include <google/protobuf/stubs/common.h>
44
45
46namespace google {
47namespace protobuf {
kenton@google.comfccb1462009-12-18 02:11:36 +000048 namespace io {
49 class CodedInputStream; // coded_stream.h
50 }
51}
52
53namespace protobuf {
kenton@google.com80b1d622009-07-29 01:13:20 +000054namespace internal {
55
56// Annotation for the compiler to emit a deprecation message if a field marked
kenton@google.comfccb1462009-12-18 02:11:36 +000057// with option 'deprecated=true' is used in the code, or for other things in
58// generated code which are deprecated.
kenton@google.com80b1d622009-07-29 01:13:20 +000059//
60// For internal use in the pb.cc files, deprecation warnings are suppressed
61// there.
62#undef DEPRECATED_PROTOBUF_FIELD
63#if !defined(INTERNAL_SUPPRESS_PROTOBUF_FIELD_DEPRECATION)
kenton@google.comfccb1462009-12-18 02:11:36 +000064# define PROTOBUF_DEPRECATED GOOGLE_ATTRIBUTE_DEPRECATED
kenton@google.com80b1d622009-07-29 01:13:20 +000065#else
kenton@google.comfccb1462009-12-18 02:11:36 +000066# define PROTOBUF_DEPRECATED
kenton@google.com80b1d622009-07-29 01:13:20 +000067#endif
68
69
kenton@google.comfccb1462009-12-18 02:11:36 +000070// Constants for special floating point values.
liujisi@google.com33165fe2010-11-02 13:14:58 +000071double Infinity();
72double NaN();
73
74// Constant used for empty default strings.
75extern const ::std::string kEmptyString;
kenton@google.comfccb1462009-12-18 02:11:36 +000076
77
kenton@google.com80b1d622009-07-29 01:13:20 +000078} // namespace internal
79} // namespace protobuf
80
81} // namespace google
82#endif // GOOGLE_PROTOBUF_GENERATED_MESSAGE_UTIL_H__