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- // Protocol Buffers - Google's data interchange format
- // Copyright 2008 Google Inc. All rights reserved.
- // https://developers.google.com/protocol-buffers/
- //
- // 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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