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Diffstat (limited to 'toolkit/components/protobuf/src/google/protobuf/generated_message_bases.h')
-rw-r--r-- | toolkit/components/protobuf/src/google/protobuf/generated_message_bases.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/toolkit/components/protobuf/src/google/protobuf/generated_message_bases.h b/toolkit/components/protobuf/src/google/protobuf/generated_message_bases.h new file mode 100644 index 0000000000..b295218a70 --- /dev/null +++ b/toolkit/components/protobuf/src/google/protobuf/generated_message_bases.h @@ -0,0 +1,87 @@ +// 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/io/zero_copy_stream_impl.h> +#include <google/protobuf/arena.h> +#include <google/protobuf/generated_message_util.h> +#include <google/protobuf/message.h> +#include <google/protobuf/parse_context.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__ |