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#region Copyright notice and license |
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// Protocol Buffers - Google's data interchange format |
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// Copyright 2008 Google Inc. All rights reserved. |
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// http://github.com/jskeet/dotnet-protobufs/ |
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// Original C++/Java/Python code: |
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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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#endregion |
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/* |
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* This entire source file is not supported on some platform |
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*/ |
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#if !NOSERIALIZABLE |
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using System; |
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using System.Security.Permissions; |
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using System.Runtime.Serialization; |
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using System.Security; |
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namespace Google.ProtocolBuffers |
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{ |
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/* |
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* Specialized handing of *all* message types. Messages are serialized into a byte[] and stored |
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* into the SerializationInfo, and are then reconstituted by an IObjectReference class after |
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* deserialization. IDeserializationCallback is supported on both the Builder and Message. |
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*/ |
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[Serializable] |
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partial class AbstractMessageLite<TMessage, TBuilder> : ISerializable |
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{ |
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[SecurityCritical] |
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[SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.SerializationFormatter)] |
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void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) |
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{ |
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info.SetType(typeof(SerializationSurrogate)); |
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info.AddValue("message", ToByteArray()); |
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info.AddValue("initialized", IsInitialized); |
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} |
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[Serializable] |
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private sealed class SerializationSurrogate : IObjectReference, ISerializable |
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{ |
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static readonly TBuilder TemplateInstance = (TBuilder)Activator.CreateInstance(typeof(TBuilder)); |
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private readonly byte[] _message; |
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private readonly bool _initialized; |
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private SerializationSurrogate(SerializationInfo info, StreamingContext context) |
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{ |
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_message = (byte[])info.GetValue("message", typeof(byte[])); |
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_initialized = info.GetBoolean("initialized"); |
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} |
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[SecurityCritical] |
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[SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.SerializationFormatter)] |
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object IObjectReference.GetRealObject(StreamingContext context) |
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{ |
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ExtensionRegistry registry = context.Context as ExtensionRegistry; |
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TBuilder builder = TemplateInstance.DefaultInstanceForType.CreateBuilderForType(); |
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builder.MergeFrom(_message, registry ?? ExtensionRegistry.Empty); |
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IDeserializationCallback callback = builder as IDeserializationCallback; |
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if(callback != null) |
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{ |
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callback.OnDeserialization(context); |
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} |
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TMessage message = _initialized ? builder.Build() : builder.BuildPartial(); |
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callback = message as IDeserializationCallback; |
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if (callback != null) |
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{ |
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callback.OnDeserialization(context); |
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} |
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return message; |
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} |
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[SecurityCritical] |
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[SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.SerializationFormatter)] |
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void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) |
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{ |
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info.AddValue("message", _message); |
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} |
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} |
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} |
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[Serializable] |
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partial class AbstractBuilderLite<TMessage, TBuilder> : ISerializable |
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{ |
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[SecurityCritical] |
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[SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.SerializationFormatter)] |
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void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) |
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{ |
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info.SetType(typeof(SerializationSurrogate)); |
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info.AddValue("message", Clone().BuildPartial().ToByteArray()); |
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} |
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[Serializable] |
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private sealed class SerializationSurrogate : IObjectReference, ISerializable |
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{ |
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static readonly TBuilder TemplateInstance = (TBuilder)Activator.CreateInstance(typeof(TBuilder)); |
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private readonly byte[] _message; |
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private SerializationSurrogate(SerializationInfo info, StreamingContext context) |
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{ |
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_message = (byte[])info.GetValue("message", typeof(byte[])); |
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} |
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[SecurityCritical] |
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[SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.SerializationFormatter)] |
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object IObjectReference.GetRealObject(StreamingContext context) |
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{ |
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ExtensionRegistry registry = context.Context as ExtensionRegistry; |
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TBuilder builder = TemplateInstance.DefaultInstanceForType.CreateBuilderForType(); |
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builder.MergeFrom(_message, registry ?? ExtensionRegistry.Empty); |
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IDeserializationCallback callback = builder as IDeserializationCallback; |
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if(callback != null) |
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{ |
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callback.OnDeserialization(context); |
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} |
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return builder; |
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} |
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[SecurityCritical] |
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[SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.SerializationFormatter)] |
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void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) |
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{ |
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info.AddValue("message", _message); |
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} |
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} |
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} |
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/* |
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* Spread some attribute love around, keeping this all here so we don't use conditional compliation |
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* in every one of these classes. If we introduce a new platform that also does not support this |
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* we can control it all from this source file. |
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*/ |
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[Serializable] |
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partial class GeneratedMessageLite<TMessage, TBuilder> { } |
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[Serializable] |
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partial class ExtendableMessageLite<TMessage, TBuilder> { } |
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[Serializable] |
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partial class AbstractMessage<TMessage, TBuilder> { } |
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[Serializable] |
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partial class GeneratedMessage<TMessage, TBuilder> { } |
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[Serializable] |
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partial class ExtendableMessage<TMessage, TBuilder> { } |
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[Serializable] |
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partial class GeneratedBuilderLite<TMessage, TBuilder> { } |
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[Serializable] |
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partial class ExtendableBuilderLite<TMessage, TBuilder> { } |
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[Serializable] |
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partial class AbstractBuilder<TMessage, TBuilder> { } |
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[Serializable] |
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partial class GeneratedBuilder<TMessage, TBuilder> { } |
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[Serializable] |
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partial class ExtendableBuilder<TMessage, TBuilder> { } |
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[Serializable] |
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partial class DynamicMessage |
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{ |
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[Serializable] |
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partial class Builder { } |
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} |
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} |
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#endif |
Jon Skeet
10 years ago