2 // System.Text.RegularExpressions.GroupCollection
5 // Dan Lewis (dlewis@gmx.co.uk)
6 // Dick Porter (dick@ximian.com)
9 // (C) 2004 Novell, Inc.
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:
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
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.
34 using System.Collections;
36 namespace System.Text.RegularExpressions
39 public class GroupCollection: ICollection, IEnumerable
41 private Group [] list;
44 /* No public constructor */
45 internal GroupCollection (int n, int gap)
52 get { return list.Length; }
55 public bool IsReadOnly {
59 public bool IsSynchronized {
63 public Group this [int groupnum] {
65 if (groupnum >= gap) {
66 Match m = (Match) list [0];
67 groupnum = m == Match.Empty ? -1 : m.Regex.GetGroupIndex (groupnum);
69 return groupnum < 0 ? Group.Fail : list [groupnum];
73 internal void SetValue (Group g, int i)
78 public Group this [string groupName] {
80 // The 0th group is the match.
81 Match m = (Match) list [0];
82 if (m != Match.Empty) {
83 int number = m.Regex.GroupNumberFromName (groupName);
92 public object SyncRoot {
96 public void CopyTo (Array array, int arrayIndex)
98 list.CopyTo (array, arrayIndex);
101 public IEnumerator GetEnumerator ()
103 return list.GetEnumerator ();