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82 lines
3.5 KiB
C++
82 lines
3.5 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// http://code.google.com/p/protobuf/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Author: kenton@google.com (Kenton Varda)
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// Based on original Protocol Buffers design by
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// Sanjay Ghemawat, Jeff Dean, and others.
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//
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// This header is logically internal, but is made public because it is used
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// from protocol-compiler-generated code, which may reside in other components.
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#ifndef GOOGLE_PROTOBUF_REFLECTION_OPS_H__
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#define GOOGLE_PROTOBUF_REFLECTION_OPS_H__
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#include <google/protobuf/stubs/common.h>
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#include <google/protobuf/message.h>
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namespace google {
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namespace protobuf {
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namespace internal {
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// Basic operations that can be performed using reflection.
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// These can be used as a cheap way to implement the corresponding
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// methods of the Message interface, though they are likely to be
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// slower than implementations tailored for the specific message type.
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//
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// This class should stay limited to operations needed to implement
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// the Message interface.
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//
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// This class is really a namespace that contains only static methods.
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class LIBPROTOBUF_EXPORT ReflectionOps {
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public:
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static void Copy(const Message& from, Message* to);
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static void Merge(const Message& from, Message* to);
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static void Clear(Message* message);
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static bool IsInitialized(const Message& message);
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static void DiscardUnknownFields(Message* message);
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// Finds all unset required fields in the message and adds their full
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// paths (e.g. "foo.bar[5].baz") to *names. "prefix" will be attached to
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// the front of each name.
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static void FindInitializationErrors(const Message& message,
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const string& prefix,
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vector<string>* errors);
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private:
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// All methods are static. No need to construct.
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GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ReflectionOps);
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};
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} // namespace internal
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} // namespace protobuf
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} // namespace google
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#endif // GOOGLE_PROTOBUF_REFLECTION_OPS_H__
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