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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 <atomic>
+#include <climits>
+#include <string>
+#include <vector>
+
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/stubs/once.h> // Add direct dep on port for pb.cc
+#include <google/protobuf/port.h>
+#include <google/protobuf/stubs/strutil.h>
+#include <google/protobuf/any.h>
+#include <google/protobuf/has_bits.h>
+#include <google/protobuf/implicit_weak_message.h>
+#include <google/protobuf/message_lite.h>
+#include <google/protobuf/repeated_field.h>
+#include <google/protobuf/wire_format_lite.h>
+#include <google/protobuf/stubs/casts.h>
+
+// Must be included last.
+#include <google/protobuf/port_def.inc>
+
+#ifdef SWIG
+#error "You cannot SWIG proto headers"
+#endif
+
+namespace google {
+namespace protobuf {
+
+class Arena;
+class Message;
+
+namespace io {
+class CodedInputStream;
+}
+
+namespace internal {
+
+template <typename To, typename From>
+inline To DownCast(From* f) {
+ return PROTOBUF_NAMESPACE_ID::internal::down_cast<To>(f);
+}
+template <typename To, typename From>
+inline To DownCast(From& f) {
+ return PROTOBUF_NAMESPACE_ID::internal::down_cast<To>(f);
+}
+
+
+// This fastpath inlines a single branch instead of having to make the
+// InitProtobufDefaults function call.
+// It also generates less inlined code than a function-scope static initializer.
+PROTOBUF_EXPORT extern std::atomic<bool> init_protobuf_defaults_state;
+PROTOBUF_EXPORT void InitProtobufDefaultsSlow();
+PROTOBUF_EXPORT inline void InitProtobufDefaults() {
+ if (PROTOBUF_PREDICT_FALSE(
+ !init_protobuf_defaults_state.load(std::memory_order_acquire))) {
+ InitProtobufDefaultsSlow();
+ }
+}
+
+// This used by proto1
+PROTOBUF_EXPORT inline const std::string& GetEmptyString() {
+ InitProtobufDefaults();
+ return GetEmptyStringAlreadyInited();
+}
+
+
+// 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 <typename Msg>
+bool AllAreInitialized(const RepeatedPtrField<Msg>& t) {
+ for (int i = t.size(); --i >= 0;) {
+ if (!t.Get(i).IsInitialized()) return false;
+ }
+ return true;
+}
+
+// "Weak" variant of AllAreInitialized, used to implement implicit weak fields.
+// This version operates on MessageLite to avoid introducing a dependency on the
+// concrete message type.
+template <class T>
+bool AllAreInitializedWeak(const RepeatedPtrField<T>& t) {
+ for (int i = t.size(); --i >= 0;) {
+ if (!reinterpret_cast<const RepeatedPtrFieldBase&>(t)
+ .Get<ImplicitWeakTypeHandler<T> >(i)
+ .IsInitialized()) {
+ return false;
+ }
+ }
+ return true;
+}
+
+inline bool IsPresent(const void* base, uint32_t hasbit) {
+ const uint32_t* has_bits_array = static_cast<const uint32_t*>(base);
+ return (has_bits_array[hasbit / 32] & (1u << (hasbit & 31))) != 0;
+}
+
+inline bool IsOneofPresent(const void* base, uint32_t offset, uint32_t tag) {
+ const uint32_t* oneof = reinterpret_cast<const uint32_t*>(
+ static_cast<const uint8_t*>(base) + offset);
+ return *oneof == tag >> 3;
+}
+
+typedef void (*SpecialSerializer)(const uint8_t* base, uint32_t offset,
+ uint32_t tag, uint32_t has_offset,
+ io::CodedOutputStream* output);
+
+PROTOBUF_EXPORT void ExtensionSerializer(const MessageLite* extendee,
+ const uint8_t* ptr, uint32_t offset,
+ uint32_t tag, uint32_t has_offset,
+ io::CodedOutputStream* output);
+PROTOBUF_EXPORT void UnknownFieldSerializerLite(const uint8_t* base,
+ uint32_t offset, uint32_t tag,
+ uint32_t has_offset,
+ io::CodedOutputStream* output);
+
+PROTOBUF_EXPORT MessageLite* DuplicateIfNonNullInternal(MessageLite* message);
+PROTOBUF_EXPORT MessageLite* GetOwnedMessageInternal(Arena* message_arena,
+ MessageLite* submessage,
+ Arena* submessage_arena);
+PROTOBUF_EXPORT void GenericSwap(MessageLite* m1, MessageLite* m2);
+// We specialize GenericSwap for non-lite messages to benefit from reflection.
+PROTOBUF_EXPORT void GenericSwap(Message* m1, Message* m2);
+
+template <typename T>
+T* DuplicateIfNonNull(T* message) {
+ // The casts must be reinterpret_cast<> because T might be a forward-declared
+ // type that the compiler doesn't know is related to MessageLite.
+ return reinterpret_cast<T*>(
+ DuplicateIfNonNullInternal(reinterpret_cast<MessageLite*>(message)));
+}
+
+template <typename T>
+T* GetOwnedMessage(Arena* message_arena, T* submessage,
+ Arena* submessage_arena) {
+ // The casts must be reinterpret_cast<> because T might be a forward-declared
+ // type that the compiler doesn't know is related to MessageLite.
+ return reinterpret_cast<T*>(GetOwnedMessageInternal(
+ message_arena, reinterpret_cast<MessageLite*>(submessage),
+ submessage_arena));
+}
+
+// Hide atomic from the public header and allow easy change to regular int
+// on platforms where the atomic might have a perf impact.
+class PROTOBUF_EXPORT CachedSize {
+ public:
+ int Get() const { return size_.load(std::memory_order_relaxed); }
+ void Set(int size) { size_.store(size, std::memory_order_relaxed); }
+
+ private:
+ std::atomic<int> size_{0};
+};
+
+PROTOBUF_EXPORT void DestroyMessage(const void* message);
+PROTOBUF_EXPORT void DestroyString(const void* s);
+// Destroy (not delete) the message
+inline void OnShutdownDestroyMessage(const void* ptr) {
+ OnShutdownRun(DestroyMessage, ptr);
+}
+// Destroy the string (call std::string destructor)
+inline void OnShutdownDestroyString(const std::string* ptr) {
+ OnShutdownRun(DestroyString, ptr);
+}
+
+} // namespace internal
+} // namespace protobuf
+} // namespace google
+
+#include <google/protobuf/port_undef.inc>
+
+#endif // GOOGLE_PROTOBUF_GENERATED_MESSAGE_UTIL_H__