New test.
[mono.git] / mcs / class / System / System.Text.RegularExpressions / GroupCollection.cs
1 //
2 // System.Text.RegularExpressions.GroupCollection
3 //
4 // Authors:
5 //      Dan Lewis (dlewis@gmx.co.uk)
6 //      Dick Porter (dick@ximian.com)
7 //
8 // (C) 2002 Dan Lewis
9 // (C) 2004 Novell, Inc.
10 //
11
12 //
13 // Permission is hereby granted, free of charge, to any person obtaining
14 // a copy of this software and associated documentation files (the
15 // "Software"), to deal in the Software without restriction, including
16 // without limitation the rights to use, copy, modify, merge, publish,
17 // distribute, sublicense, and/or sell copies of the Software, and to
18 // permit persons to whom the Software is furnished to do so, subject to
19 // the following conditions:
20 // 
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
23 // 
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 //
32
33 using System;
34 using System.Collections;
35
36 namespace System.Text.RegularExpressions 
37 {
38         [Serializable]
39         public class GroupCollection: ICollection, IEnumerable
40         {
41                 private Group [] list;
42
43                 /* No public constructor */
44                 internal GroupCollection (int n)
45                 {
46                         list = new Group [n];
47                 }
48
49                 public int Count {
50                         get { return list.Length; }
51                 }
52
53                 public bool IsReadOnly {
54                         get { return true; }
55                 }
56
57                 public bool IsSynchronized {
58                         get { return false; }
59                 }
60
61                 public Group this [int i] {
62                         get {
63                                 if (i < list.Length && i >= 0)
64                                         return list [i];
65                                 else
66                                         return Group.Fail;
67                         }
68                 }
69
70                 internal void SetValue (Group g, int i)
71                 {
72                         list [i] = g;
73                 }
74
75                 public Group this [string groupName] {
76                         get {
77                                 // The 0th group is the match.
78                                 Match m = (Match) list [0];
79                                 if (m != Match.Empty) {
80                                         int index = m.Regex.GroupNumberFromName (groupName);
81                                         if (index != -1)
82                                                 return this [index];
83                                 }
84
85                                 return Group.Fail;
86                         }
87                 }
88
89                 public object SyncRoot {
90                         get { return list; }
91                 }
92
93                 public void CopyTo (Array array, int index)
94                 {
95                         list.CopyTo (array, index);
96                 }
97
98                 public IEnumerator GetEnumerator ()
99                 {
100                         return list.GetEnumerator ();
101                 }
102         }
103 }
104
105                 
106