| // 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__ |