* TaskEngine.cs (Prepare): Emit a useful error message property value
[mono.git] / mcs / class / Microsoft.Build.Engine / Microsoft.Build.BuildEngine / UsingTaskCollection.cs
1 //
2 // UsingTaskCollection.cs: Represents a collection of all UsingTask elements in
3 // a project.
4 //
5 // Author:
6 //   Marek Sieradzki (marek.sieradzki@gmail.com)
7 // 
8 // (C) 2005 Marek Sieradzki
9 //
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
17 //
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
20 //
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28
29 #if NET_2_0
30
31 using System;
32 using System.Collections;
33 using System.Collections.Generic;
34
35 namespace Microsoft.Build.BuildEngine {
36         public class UsingTaskCollection : ICollection, IEnumerable {
37         
38                 //Project               parentProject;
39                 object          syncRoot;
40                 List <UsingTask>        usingTasks;
41                 
42                 internal UsingTaskCollection (Project parentProject)
43                 {
44                         //this.parentProject = parentProject;
45                         this.syncRoot = new Object ();
46                         this.usingTasks = new List <UsingTask> ();
47                 }
48                 
49                 internal void Add (UsingTask usingTask)
50                 {
51                         if (usingTask == null)
52                                 throw new ArgumentNullException ("usingTask");
53                         
54                         if (usingTasks.Contains (usingTask))
55                                 throw new InvalidOperationException ("Task already registered.");
56                         
57                         usingTasks.Add (usingTask);
58                 }
59                 
60                 public void CopyTo (Array array, int index)
61                 {
62                         usingTasks.CopyTo ((UsingTask[]) array, index);
63                 }
64                 
65                 public void CopyTo (UsingTask[] array, int index)
66                 {
67                         usingTasks.CopyTo (array, index);
68                 }
69                 
70                 public IEnumerator GetEnumerator ()
71                 {
72                         foreach (UsingTask ut in usingTasks)
73                                 yield return ut;
74                 }
75                 
76                 public int Count {
77                         get { return usingTasks.Count; }
78                 }
79                 
80                 public bool IsSynchronized {
81                         get { return false; }
82                 }
83                 
84                 public object SyncRoot {
85                         get { return syncRoot; }
86                 }
87         }
88 }
89
90 #endif