1 // -*- Mode: csharp; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
3 // System.Collections.Generic.List
6 // Martin Baulig (martin@ximian.com)
8 // (C) 2004 Novell, Inc.
12 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
14 // Permission is hereby granted, free of charge, to any person obtaining
15 // a copy of this software and associated documentation files (the
16 // "Software"), to deal in the Software without restriction, including
17 // without limitation the rights to use, copy, modify, merge, publish,
18 // distribute, sublicense, and/or sell copies of the Software, and to
19 // permit persons to whom the Software is furnished to do so, subject to
20 // the following conditions:
22 // The above copyright notice and this permission notice shall be
23 // included in all copies or substantial portions of the Software.
25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
36 using System
.Collections
;
37 using System
.Runtime
.InteropServices
;
39 namespace System
.Collections
.Generic
43 public class List
<T
> : IList
<T
>, ICollection
<T
>, IEnumerable
<T
>,
44 IList
, ICollection
, IEnumerable
47 protected int capacity
;
48 protected T
[] contents
;
49 protected int modified
;
55 public List (int capacity
)
57 this.capacity
= capacity
;
58 contents
= new T
[capacity
];
61 public List (ICollection collection
)
62 : this (collection
.Count
)
64 collection
.CopyTo (contents
, 0);
65 count
= collection
.Count
;
68 protected void Resize (int size
)
76 T
[] ncontents
= new T
[size
];
78 Array
.Copy (contents
, 0, ncontents
, 0, count
);
85 public void Add (T item
)
87 if (count
>= capacity
)
88 Resize (2 * capacity
);
90 contents
[count
] = item
;
94 int IList
.Add (object item
)
96 if (count
>= capacity
)
97 Resize (2 * capacity
);
99 contents
[count
] = (T
) item
;
108 public bool Contains (T item
)
110 for (int i
= 0; i
< count
; i
++)
111 if (contents
[i
] == item
)
117 bool IList
.Contains (object item
)
119 return Contains ((T
) item
);
122 public int IndexOf (T item
)
124 for (int i
= 0; i
< count
; i
++)
125 if (contents
[i
] == item
)
131 int IList
.IndexOf (object item
)
133 return IndexOf ((T
) item
);
136 public void Insert (int index
, T item
)
139 throw new ArgumentException ();
144 int rest
= count
- index
;
146 Array
.Copy (contents
, index
, contents
, index
+1, rest
);
147 contents
[index
] = item
;
150 void IList
.Insert (int index
, object item
)
152 Insert (index
, (T
) item
);
155 public bool Remove (T item
)
157 int index
= IndexOf (item
);
165 void IList
.Remove (object item
)
170 public void RemoveAt (int index
)
172 if ((index
< 0) || (count
== 0))
173 throw new ArgumentException ();
177 int rest
= count
- index
;
179 Array
.Copy (contents
, index
+1, contents
, index
, rest
);
184 public bool IsFixedSize
{
190 public bool IsReadOnly
{
196 public T
this [int index
] {
198 return contents
[index
];
202 contents
[index
] = value;
206 object IList
.this [int index
] {
208 return contents
[index
];
212 // contents [index] = (T) value;
216 public void CopyTo (T
[] array
, int arrayIndex
)
219 Array
.Copy (contents
, 0, array
, arrayIndex
, count
);
222 void ICollection
.CopyTo (Array array
, int arrayIndex
)
225 Array
.Copy (contents
, 0, array
, arrayIndex
, count
);
234 public bool IsSynchronized
{
235 get { return false; }
238 public object SyncRoot
{
242 public Enumerator
GetEnumerator ()
244 return new Enumerator (this);
247 IEnumerator
<T
> IEnumerable
<T
>.GetEnumerator ()
249 return new Enumerator (this);
252 IEnumerator IEnumerable
.GetEnumerator ()
254 return new Enumerator (this);
257 public struct Enumerator
: IEnumerator
<T
>, IEnumerator
263 public Enumerator (List
<T
> list
)
266 this.modified
= list
.modified
;
272 if (list
.modified
!= modified
)
273 throw new InvalidOperationException ();
276 if (current
> list
.count
)
277 throw new ArgumentException ();
278 return list
.contents
[current
];
282 object IEnumerator
.Current
{
288 public bool MoveNext ()
290 if (list
.modified
!= modified
)
291 throw new InvalidOperationException ();
294 return current
< list
.count
;
299 if (list
.modified
!= modified
)
300 throw new InvalidOperationException ();
305 public void Dispose ()