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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// http://code.google.com/p/protobuf/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Author: kenton@google.com (Kenton Varda)
// Based on original Protocol Buffers design by
// Sanjay Ghemawat, Jeff Dean, and others.
//
// This file contains miscellaneous helper code used by generated code --
// including lite types -- but which should not be used directly by users.
#ifndef GOOGLE_PROTOBUF_GENERATED_MESSAGE_UTIL_H__
#define GOOGLE_PROTOBUF_GENERATED_MESSAGE_UTIL_H__
#include <assert.h>
#include <string>
#include <google/protobuf/stubs/once.h>
#include <google/protobuf/stubs/common.h>
namespace google {
namespace protobuf {
namespace internal {
// Annotation for the compiler to emit a deprecation message if a field marked
// with option 'deprecated=true' is used in the code, or for other things in
// generated code which are deprecated.
//
// For internal use in the pb.cc files, deprecation warnings are suppressed
// there.
#undef DEPRECATED_PROTOBUF_FIELD
#define PROTOBUF_DEPRECATED
// Constants for special floating point values.
LIBPROTOBUF_EXPORT double Infinity();
LIBPROTOBUF_EXPORT double NaN();
// TODO(jieluo): Change to template. We have tried to use template,
// but it causes net/rpc/python:rpcutil_test fail (the empty string will
// init twice). It may related to swig. Change to template after we
// found the solution.
// Default empty string object. Don't use the pointer directly. Instead, call
// GetEmptyString() to get the reference.
LIBPROTOBUF_EXPORT extern const ::std::string* empty_string_;
LIBPROTOBUF_EXPORT extern ProtobufOnceType empty_string_once_init_;
LIBPROTOBUF_EXPORT void InitEmptyString();
LIBPROTOBUF_EXPORT inline const ::std::string& GetEmptyStringAlreadyInited() {
assert(empty_string_ != NULL);
return *empty_string_;
}
LIBPROTOBUF_EXPORT inline const ::std::string& GetEmptyString() {
::google::protobuf::GoogleOnceInit(&empty_string_once_init_, &InitEmptyString);
return GetEmptyStringAlreadyInited();
}
// Defined in generated_message_reflection.cc -- not actually part of the lite
// library.
//
// TODO(jasonh): The various callers get this declaration from a variety of
// places: probably in most cases repeated_field.h. Clean these up so they all
// get the declaration from this file.
LIBPROTOBUF_EXPORT int StringSpaceUsedExcludingSelf(const string& str);
// True if IsInitialized() is true for all elements of t. Type is expected
// to be a RepeatedPtrField<some message type>. It's useful to have this
// helper here to keep the protobuf compiler from ever having to emit loops in
// IsInitialized() methods. We want the C++ compiler to inline this or not
// as it sees fit.
template <class Type> bool AllAreInitialized(const Type& t) {
for (int i = t.size(); --i >= 0; ) {
if (!t.Get(i).IsInitialized()) return false;
}
return true;
}
} // namespace internal
} // namespace protobuf
} // namespace google
#endif // GOOGLE_PROTOBUF_GENERATED_MESSAGE_UTIL_H__
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