Merge pull request #1899 from saper/resgencond
[mono.git] / mcs / class / corlib / System.Reflection / MonoEvent.cs
1 //
2 // System.Reflection/MonoEvent.cs
3 //
4 // Author:
5 //   Paolo Molaro (lupus@ximian.com)
6 //
7 // (C) 2001 Ximian, Inc.  http://www.ximian.com
8 //
9
10 //
11 // Copyright (C) 2004, 2009 Novell, Inc (http://www.novell.com)
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.Generic;
35 using System.Reflection;
36 using System.Runtime.CompilerServices;
37 using System.Runtime.InteropServices;
38 using System.Runtime.Serialization;
39 using System.Diagnostics.Contracts;
40
41 namespace System.Reflection {
42
43         internal struct MonoEventInfo {
44                 public Type declaring_type;
45                 public Type reflected_type;
46                 public String name;
47                 public MethodInfo add_method;
48                 public MethodInfo remove_method;
49                 public MethodInfo raise_method;
50                 public EventAttributes attrs;
51                 public MethodInfo[] other_methods;
52                 
53                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
54                 static extern void get_event_info (MonoEvent ev, out MonoEventInfo info);
55
56                 internal static MonoEventInfo GetEventInfo (MonoEvent ev)
57                 {
58                         MonoEventInfo mei;
59                         MonoEventInfo.get_event_info (ev, out mei);
60                         return mei;
61                 }
62         }
63
64         abstract class RuntimeEventInfo : EventInfo, ISerializable
65         {
66                 internal BindingFlags BindingFlags {
67                         get {
68                                 return 0;
69                         }
70                 }
71
72                 public override Module Module {
73                         get {
74                                 return GetRuntimeModule ();
75                         }
76                 }
77
78                 internal RuntimeType GetDeclaringTypeInternal ()
79                 {
80                         return (RuntimeType) DeclaringType;
81                 }
82
83                 RuntimeType ReflectedTypeInternal {
84                         get {
85                                 return (RuntimeType) ReflectedType;
86                         }
87                 }
88
89                 internal RuntimeModule GetRuntimeModule ()
90                 {
91                         return GetDeclaringTypeInternal ().GetRuntimeModule ();
92                 }
93
94         #region ISerializable
95         public void GetObjectData(SerializationInfo info, StreamingContext context)
96         {
97             if (info == null)
98                 throw new ArgumentNullException("info");
99             Contract.EndContractBlock();
100
101             MemberInfoSerializationHolder.GetSerializationInfo(
102                 info,
103                 Name,
104                 ReflectedTypeInternal,
105                 null,
106                 MemberTypes.Event);
107         }
108         #endregion
109         }
110
111         [Serializable]
112         [StructLayout (LayoutKind.Sequential)]
113         internal sealed class MonoEvent: RuntimeEventInfo
114         {
115 #pragma warning disable 169
116                 IntPtr klass;
117                 IntPtr handle;
118 #pragma warning restore 169
119
120                 public override EventAttributes Attributes {
121                         get {
122                                 return MonoEventInfo.GetEventInfo (this).attrs;
123                         }
124                 }
125
126                 public override MethodInfo GetAddMethod (bool nonPublic)
127                 {
128                         MonoEventInfo info = MonoEventInfo.GetEventInfo (this);
129                         if (nonPublic || (info.add_method != null && info.add_method.IsPublic))
130                                 return info.add_method;
131                         return null;
132                 }
133
134                 public override MethodInfo GetRaiseMethod (bool nonPublic)
135                 {
136                         MonoEventInfo info = MonoEventInfo.GetEventInfo (this);
137                         if (nonPublic || (info.raise_method != null && info.raise_method.IsPublic))
138                                 return info.raise_method;
139                         return null;
140                 }
141
142                 public override MethodInfo GetRemoveMethod (bool nonPublic)
143                 {
144                         MonoEventInfo info = MonoEventInfo.GetEventInfo (this);
145                         if (nonPublic || (info.remove_method != null && info.remove_method.IsPublic))
146                                 return info.remove_method;
147                         return null;
148                 }
149
150                 public override MethodInfo[] GetOtherMethods (bool nonPublic)
151                 {
152                         MonoEventInfo info = MonoEventInfo.GetEventInfo (this);
153                         if (nonPublic)
154                                 return info.other_methods;
155                         int num_public = 0;
156                         foreach (MethodInfo m in info.other_methods) {
157                                 if (m.IsPublic)
158                                         num_public++;
159                         }
160                         if (num_public == info.other_methods.Length)
161                                 return info.other_methods;
162                         MethodInfo[] res = new MethodInfo [num_public];
163                         num_public = 0;
164                         foreach (MethodInfo m in info.other_methods) {
165                                 if (m.IsPublic)
166                                         res [num_public++] = m;
167                         }
168                         return res;
169                 }
170
171                 public override Type DeclaringType {
172                         get {
173                                 return MonoEventInfo.GetEventInfo (this).declaring_type;
174                         }
175                 }
176
177                 public override Type ReflectedType {
178                         get {
179                                 return MonoEventInfo.GetEventInfo (this).reflected_type;
180                         }
181                 }
182
183                 public override string Name {
184                         get {
185                                 return MonoEventInfo.GetEventInfo (this).name;
186                         }
187                 }
188
189                 public override string ToString ()
190                 {
191                         return EventHandlerType + " " + Name;
192                 }
193
194                 public override bool IsDefined (Type attributeType, bool inherit)
195                 {
196                         return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
197                 }
198
199                 public override object[] GetCustomAttributes( bool inherit)
200                 {
201                         return MonoCustomAttrs.GetCustomAttributes (this, inherit);
202                 }
203
204                 public override object[] GetCustomAttributes( Type attributeType, bool inherit)
205                 {
206                         return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
207                 }
208
209                 public override IList<CustomAttributeData> GetCustomAttributesData () {
210                         return CustomAttributeData.GetCustomAttributes (this);
211                 }
212         }
213 }