/Mono.Cecil/Mono.Cecil/MemberDefinitionCollection.cs

 1//
 2// MemberDefinitionCollection.cs
 3//
 4// Author:
 5//   Jb Evain (jbevain@gmail.com)
 6//
 7// Copyright (c) 2008 - 2011 Jb Evain
 8//
 9// Permission is hereby granted, free of charge, to any person obtaining
10// a copy of this software and associated documentation files (the
11// "Software"), to deal in the Software without restriction, including
12// without limitation the rights to use, copy, modify, merge, publish,
13// distribute, sublicense, and/or sell copies of the Software, and to
14// permit persons to whom the Software is furnished to do so, subject to
15// the following conditions:
16//
17// The above copyright notice and this permission notice shall be
18// included in all copies or substantial portions of the Software.
19//
20// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27//
28
29using System;
30
31using Mono.Collections.Generic;
32
33namespace Mono.Cecil {
34
35	class MemberDefinitionCollection<T> : Collection<T> where T : IMemberDefinition {
36
37		TypeDefinition container;
38
39		internal MemberDefinitionCollection (TypeDefinition container)
40		{
41			this.container = container;
42		}
43
44		internal MemberDefinitionCollection (TypeDefinition container, int capacity)
45			: base (capacity)
46		{
47			this.container = container;
48		}
49
50		protected override void OnAdd (T item, int index)
51		{
52			Attach (item);
53		}
54
55		protected sealed override void OnSet (T item, int index)
56		{
57			Attach (item);
58		}
59
60		protected sealed override void OnInsert (T item, int index)
61		{
62			Attach (item);
63		}
64
65		protected sealed override void OnRemove (T item, int index)
66		{
67			Detach (item);
68		}
69
70		protected sealed override void OnClear ()
71		{
72			foreach (var definition in this)
73				Detach (definition);
74		}
75
76		void Attach (T element)
77		{
78			if (element.DeclaringType == container)
79				return;
80
81			if (element.DeclaringType != null)
82				throw new ArgumentException ("Member already attached");
83
84			element.DeclaringType = this.container;
85		}
86
87		static void Detach (T element)
88		{
89			element.DeclaringType = null;
90		}
91	}
92}