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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// http://code.google.com/p/protobuf/
//
// 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 header is logically internal, but is made public because it is used
// from protocol-compiler-generated code, which may reside in other components.
#ifndef GOOGLE_PROTOBUF_REFLECTION_OPS_H__
#define GOOGLE_PROTOBUF_REFLECTION_OPS_H__
#include <google/protobuf/message.h>
namespace google {
namespace protobuf {
namespace internal {
// Basic operations that can be performed using reflection.
// These can be used as a cheap way to implement the corresponding
// methods of the Message interface, though they are likely to be
// slower than implementations tailored for the specific message type.
//
// This class should stay limited to operations needed to implement
// the Message interface.
//
// This class is really a namespace that contains only static methods.
class LIBPROTOBUF_EXPORT ReflectionOps {
public:
static void Copy(const Message& from, Message* to);
static void Merge(const Message& from, Message* to);
static void Clear(Message* message);
static bool IsInitialized(const Message& message);
static void DiscardUnknownFields(Message* message);
// Finds all unset required fields in the message and adds their full
// paths (e.g. "foo.bar[5].baz") to *names. "prefix" will be attached to
// the front of each name.
static void FindInitializationErrors(const Message& message,
const string& prefix,
vector<string>* errors);
private:
// All methods are static. No need to construct.
GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ReflectionOps);
};
} // namespace internal
} // namespace protobuf
} // namespace google
#endif // GOOGLE_PROTOBUF_REFLECTION_OPS_H__
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