Imported Upstream version 4.8.0.309

Former-commit-id: 5f9c6ae75f295e057a7d2971f3a6df4656fa8850

external/cecil-legacy/Mono.Cecil/MemberDefinitionCollection.cs

@@ -0,0 +1,92 @@
+//
+// MemberDefinitionCollection.cs
+//
+// Author:
+//   Jb Evain (jbevain@gmail.com)
+//
+// Copyright (c) 2008 - 2011 Jb Evain
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+
+using Mono.Collections.Generic;
+
+namespace Mono.Cecil {
+
+	class MemberDefinitionCollection<T> : Collection<T> where T : IMemberDefinition {
+
+		TypeDefinition container;
+
+		internal MemberDefinitionCollection (TypeDefinition container)
+		{
+			this.container = container;
+		}
+
+		internal MemberDefinitionCollection (TypeDefinition container, int capacity)
+			: base (capacity)
+		{
+			this.container = container;
+		}
+
+		protected override void OnAdd (T item, int index)
+		{
+			Attach (item);
+		}
+
+		protected sealed override void OnSet (T item, int index)
+		{
+			Attach (item);
+		}
+
+		protected sealed override void OnInsert (T item, int index)
+		{
+			Attach (item);
+		}
+
+		protected sealed override void OnRemove (T item, int index)
+		{
+			Detach (item);
+		}
+
+		protected sealed override void OnClear ()
+		{
+			foreach (var definition in this)
+				Detach (definition);
+		}
+
+		void Attach (T element)
+		{
+			if (element.DeclaringType == container)
+				return;
+
+			if (element.DeclaringType != null)
+				throw new ArgumentException ("Member already attached");
+
+			element.DeclaringType = this.container;
+		}
+
+		static void Detach (T element)
+		{
+			element.DeclaringType = null;
+		}
+	}
+}