diff options
Diffstat (limited to 'src/google/protobuf/generated_message_util.h')
| -rw-r--r-- | src/google/protobuf/generated_message_util.h | 60 |
1 files changed, 48 insertions, 12 deletions
diff --git a/src/google/protobuf/generated_message_util.h b/src/google/protobuf/generated_message_util.h index daa16f7..678f92a 100644 --- a/src/google/protobuf/generated_message_util.h +++ b/src/google/protobuf/generated_message_util.h @@ -1,6 +1,6 @@ // Protocol Buffers - Google's data interchange format // Copyright 2008 Google Inc. All rights reserved. -// http://code.google.com/p/protobuf/ +// 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 @@ -38,19 +38,18 @@ #ifndef GOOGLE_PROTOBUF_GENERATED_MESSAGE_UTIL_H__ #define GOOGLE_PROTOBUF_GENERATED_MESSAGE_UTIL_H__ -#include <google/protobuf/stubs/common.h> +#include <assert.h> +#include <string> +#include <google/protobuf/stubs/once.h> +#include <google/protobuf/stubs/common.h> namespace google { -namespace protobuf { - namespace io { - class CodedInputStream; // coded_stream.h - } -} 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. @@ -58,17 +57,54 @@ namespace internal { // For internal use in the pb.cc files, deprecation warnings are suppressed // there. #undef DEPRECATED_PROTOBUF_FIELD -#if !defined(INTERNAL_SUPPRESS_PROTOBUF_FIELD_DEPRECATION) -# define PROTOBUF_DEPRECATED GOOGLE_ATTRIBUTE_DEPRECATED -#else -# define PROTOBUF_DEPRECATED -#endif +#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 |