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Diffstat (limited to 'src/google/protobuf/compiler/cpp/cpp_message_layout_helper.h')
-rw-r--r-- | src/google/protobuf/compiler/cpp/cpp_message_layout_helper.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_message_layout_helper.h b/src/google/protobuf/compiler/cpp/cpp_message_layout_helper.h new file mode 100644 index 00000000..d502a6f0 --- /dev/null +++ b/src/google/protobuf/compiler/cpp/cpp_message_layout_helper.h @@ -0,0 +1,61 @@ +// 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: seongkim@google.com (Seong Beom Kim) +// Based on original Protocol Buffers design by +// Sanjay Ghemawat, Jeff Dean, and others. + +#ifndef GOOGLE_PROTOBUF_COMPILER_CPP_MESSAGE_LAYOUT_HELPER_H__ +#define GOOGLE_PROTOBUF_COMPILER_CPP_MESSAGE_LAYOUT_HELPER_H__ + +#include <google/protobuf/compiler/cpp/cpp_options.h> +#include <google/protobuf/descriptor.h> + +namespace google { +namespace protobuf { +namespace compiler { +namespace cpp { + +// Provides an abstract interface to optimize message layout +// by rearranging the fields of a message. +class MessageLayoutHelper { + public: + virtual ~MessageLayoutHelper() {} + + virtual void OptimizeLayout(std::vector<const FieldDescriptor*>* fields, + const Options& options) = 0; +}; + +} // namespace cpp +} // namespace compiler +} // namespace protobuf + +} // namespace google +#endif // GOOGLE_PROTOBUF_COMPILER_CPP_MESSAGE_LAYOUT_HELPER_H__ |