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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.
// This file contains helpers for generated code.
//
// Nothing in this file should be directly referenced by users of protobufs.
#ifndef GOOGLE_PROTOBUF_GENERATED_MESSAGE_BASES_H__
#define GOOGLE_PROTOBUF_GENERATED_MESSAGE_BASES_H__
#include <google/protobuf/parse_context.h>
#include <google/protobuf/io/zero_copy_stream_impl.h>
#include <google/protobuf/arena.h>
#include <google/protobuf/generated_message_util.h>
#include <google/protobuf/message.h>
// Must come last:
#include <google/protobuf/port_def.inc>
namespace google {
namespace protobuf {
namespace internal {
// To save code size, protos without any fields are derived from ZeroFieldsBase
// rather than Message.
class PROTOBUF_EXPORT ZeroFieldsBase : public Message {
public:
PROTOBUF_ATTRIBUTE_REINITIALIZES void Clear() final;
bool IsInitialized() const final { return true; }
size_t ByteSizeLong() const final;
int GetCachedSize() const final { return _cached_size_.Get(); }
const char* _InternalParse(const char* ptr,
internal::ParseContext* ctx) final;
::uint8_t* _InternalSerialize(::uint8_t* target,
io::EpsCopyOutputStream* stream) const final;
protected:
constexpr ZeroFieldsBase() {}
explicit ZeroFieldsBase(Arena* arena, bool is_message_owned)
: Message(arena, is_message_owned) {}
ZeroFieldsBase(const ZeroFieldsBase&) = delete;
ZeroFieldsBase& operator=(const ZeroFieldsBase&) = delete;
~ZeroFieldsBase() override;
void SetCachedSize(int size) const final { _cached_size_.Set(size); }
static void MergeImpl(Message* to, const Message& from);
static void CopyImpl(Message* to, const Message& from);
void InternalSwap(ZeroFieldsBase* other);
mutable internal::CachedSize _cached_size_;
};
} // namespace internal
} // namespace protobuf
} // namespace google
#include <google/protobuf/port_undef.inc>
#endif // GOOGLE_PROTOBUF_GENERATED_MESSAGE_BASES_H__
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