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 
29 using System;
30 
31 using Mono.Collections.Generic;
32 
33 namespace Mono.Cecil {
34 
35 	class MemberDefinitionCollection<T> : Collection<T> where T : IMemberDefinition {
36 
37 		TypeDefinition container;
38 
MemberDefinitionCollection(TypeDefinition container)39 		internal MemberDefinitionCollection (TypeDefinition container)
40 		{
41 			this.container = container;
42 		}
43 
MemberDefinitionCollection(TypeDefinition container, int capacity)44 		internal MemberDefinitionCollection (TypeDefinition container, int capacity)
45 			: base (capacity)
46 		{
47 			this.container = container;
48 		}
49 
OnAdd(T item, int index)50 		protected override void OnAdd (T item, int index)
51 		{
52 			Attach (item);
53 		}
54 
OnSet(T item, int index)55 		protected sealed override void OnSet (T item, int index)
56 		{
57 			Attach (item);
58 		}
59 
OnInsert(T item, int index)60 		protected sealed override void OnInsert (T item, int index)
61 		{
62 			Attach (item);
63 		}
64 
OnRemove(T item, int index)65 		protected sealed override void OnRemove (T item, int index)
66 		{
67 			Detach (item);
68 		}
69 
OnClear()70 		protected sealed override void OnClear ()
71 		{
72 			foreach (var definition in this)
73 				Detach (definition);
74 		}
75 
Attach(T element)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 
Detach(T element)87 		static void Detach (T element)
88 		{
89 			element.DeclaringType = null;
90 		}
91 	}
92 }
93