initial commit

decompiled/PanelPlugins/PureHelper.Client/ProtoBuf/SerializationContext.cs

@@ -0,0 +1,85 @@
+using System;
+using System.Runtime.Serialization;
+
+namespace ProtoBuf;
+
+public sealed class SerializationContext
+{
+	private bool frozen;
+
+	private object context;
+
+	private static readonly SerializationContext @default;
+
+	private StreamingContextStates state = StreamingContextStates.Persistence;
+
+	public object Context
+	{
+		get
+		{
+			return context;
+		}
+		set
+		{
+			if (context != value)
+			{
+				ThrowIfFrozen();
+				context = value;
+			}
+		}
+	}
+
+	internal static SerializationContext Default => @default;
+
+	public StreamingContextStates State
+	{
+		get
+		{
+			return state;
+		}
+		set
+		{
+			if (state != value)
+			{
+				ThrowIfFrozen();
+				state = value;
+			}
+		}
+	}
+
+	internal void Freeze()
+	{
+		frozen = true;
+	}
+
+	private void ThrowIfFrozen()
+	{
+		if (frozen)
+		{
+			throw new InvalidOperationException("The serialization-context cannot be changed once it is in use");
+		}
+	}
+
+	static SerializationContext()
+	{
+		@default = new SerializationContext();
+		@default.Freeze();
+	}
+
+	public static implicit operator StreamingContext(SerializationContext ctx)
+	{
+		if (ctx == null)
+		{
+			return new StreamingContext(StreamingContextStates.Persistence);
+		}
+		return new StreamingContext(ctx.state, ctx.context);
+	}
+
+	public static implicit operator SerializationContext(StreamingContext ctx)
+	{
+		SerializationContext serializationContext = new SerializationContext();
+		serializationContext.Context = ctx.Context;
+		serializationContext.State = ctx.State;
+		return serializationContext;
+	}
+}