From 6eb915c129fc90c6f4c82ae097dd6ffad5239efc Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Mon, 25 Jan 2021 14:28:30 +0800
Subject: +scripts

---
 .../Scripts/XMainClient/ProtoBuf/ExtensibleUtil.cs | 109 +++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 Client/Assets/Scripts/XMainClient/ProtoBuf/ExtensibleUtil.cs

(limited to 'Client/Assets/Scripts/XMainClient/ProtoBuf/ExtensibleUtil.cs')

diff --git a/Client/Assets/Scripts/XMainClient/ProtoBuf/ExtensibleUtil.cs b/Client/Assets/Scripts/XMainClient/ProtoBuf/ExtensibleUtil.cs
new file mode 100644
index 00000000..c4105259
--- /dev/null
+++ b/Client/Assets/Scripts/XMainClient/ProtoBuf/ExtensibleUtil.cs
@@ -0,0 +1,109 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using ProtoBuf.Meta;
+
+namespace ProtoBuf
+{
+	internal static class ExtensibleUtil
+	{
+		internal static IEnumerable<TValue> GetExtendedValues<TValue>(IExtensible instance, int tag, DataFormat format, bool singleton, bool allowDefinedTag)
+		{
+			foreach (object obj in ExtensibleUtil.GetExtendedValues(RuntimeTypeModel.Default, typeof(TValue), instance, tag, format, singleton, allowDefinedTag))
+			{
+				TValue value = (TValue)((object)obj);
+				yield return value;
+				value = default(TValue);
+			}
+			IEnumerator enumerator = null;
+			yield break;
+			yield break;
+		}
+
+		internal static IEnumerable GetExtendedValues(TypeModel model, Type type, IExtensible instance, int tag, DataFormat format, bool singleton, bool allowDefinedTag)
+		{
+			bool flag = instance == null;
+			if (flag)
+			{
+				throw new ArgumentNullException("instance");
+			}
+			bool flag2 = tag <= 0;
+			if (flag2)
+			{
+				throw new ArgumentOutOfRangeException("tag");
+			}
+			IExtension extn = instance.GetExtensionObject(false);
+			bool flag3 = extn == null;
+			if (flag3)
+			{
+				yield break;
+			}
+			Stream stream = extn.BeginQuery();
+			object value = null;
+			ProtoReader reader = null;
+			try
+			{
+				SerializationContext ctx = new SerializationContext();
+				reader = ProtoReader.Create(stream, model, ctx, -1);
+				while (model.TryDeserializeAuxiliaryType(reader, format, tag, type, ref value, true, false, false, false) && value != null)
+				{
+					bool flag4 = !singleton;
+					if (flag4)
+					{
+						yield return value;
+						value = null;
+					}
+				}
+				bool flag5 = singleton && value != null;
+				if (flag5)
+				{
+					yield return value;
+				}
+				ctx = null;
+			}
+			finally
+			{
+				ProtoReader.Recycle(reader);
+				extn.EndQuery(stream);
+			}
+			yield break;
+			yield break;
+		}
+
+		internal static void AppendExtendValue(TypeModel model, IExtensible instance, int tag, DataFormat format, object value)
+		{
+			bool flag = instance == null;
+			if (flag)
+			{
+				throw new ArgumentNullException("instance");
+			}
+			bool flag2 = value == null;
+			if (flag2)
+			{
+				throw new ArgumentNullException("value");
+			}
+			IExtension extensionObject = instance.GetExtensionObject(true);
+			bool flag3 = extensionObject == null;
+			if (flag3)
+			{
+				throw new InvalidOperationException("No extension object available; appended data would be lost.");
+			}
+			bool commit = false;
+			Stream stream = extensionObject.BeginAppend();
+			try
+			{
+				using (ProtoWriter protoWriter = new ProtoWriter(stream, model, null))
+				{
+					model.TrySerializeAuxiliaryType(protoWriter, null, format, tag, value, false);
+					protoWriter.Close();
+				}
+				commit = true;
+			}
+			finally
+			{
+				extensionObject.EndAppend(stream, commit);
+			}
+		}
+	}
+}
-- 
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