[corlib] Fixed StringBuilder construction bugs in marshalling caused by changes to...
[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
40 namespace System.Reflection {
41
42         internal struct MonoEventInfo {
43                 public Type declaring_type;
44                 public Type reflected_type;
45                 public String name;
46                 public MethodInfo add_method;
47                 public MethodInfo remove_method;
48                 public MethodInfo raise_method;
49                 public EventAttributes attrs;
50                 public MethodInfo[] other_methods;
51                 
52                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
53                 static extern void get_event_info (MonoEvent ev, out MonoEventInfo info);
54
55                 internal static MonoEventInfo GetEventInfo (MonoEvent ev)
56                 {
57                         MonoEventInfo mei;
58                         MonoEventInfo.get_event_info (ev, out mei);
59                         return mei;
60                 }
61         }
62
63         abstract class RuntimeEventInfo : EventInfo
64         {
65                 internal BindingFlags BindingFlags {
66                         get {
67                                 return 0;
68                         }
69                 }
70         }
71
72         [Serializable]
73         [StructLayout (LayoutKind.Sequential)]
74         internal sealed class MonoEvent: RuntimeEventInfo, ISerializable
75         {
76 #pragma warning disable 169
77                 IntPtr klass;
78                 IntPtr handle;
79 #pragma warning restore 169
80
81                 public override EventAttributes Attributes {
82                         get {
83                                 return MonoEventInfo.GetEventInfo (this).attrs;
84                         }
85                 }
86
87                 public override MethodInfo GetAddMethod (bool nonPublic)
88                 {
89                         MonoEventInfo info = MonoEventInfo.GetEventInfo (this);
90                         if (nonPublic || (info.add_method != null && info.add_method.IsPublic))
91                                 return info.add_method;
92                         return null;
93                 }
94
95                 public override MethodInfo GetRaiseMethod (bool nonPublic)
96                 {
97                         MonoEventInfo info = MonoEventInfo.GetEventInfo (this);
98                         if (nonPublic || (info.raise_method != null && info.raise_method.IsPublic))
99                                 return info.raise_method;
100                         return null;
101                 }
102
103                 public override MethodInfo GetRemoveMethod (bool nonPublic)
104                 {
105                         MonoEventInfo info = MonoEventInfo.GetEventInfo (this);
106                         if (nonPublic || (info.remove_method != null && info.remove_method.IsPublic))
107                                 return info.remove_method;
108                         return null;
109                 }
110
111                 public override MethodInfo[] GetOtherMethods (bool nonPublic)
112                 {
113                         MonoEventInfo info = MonoEventInfo.GetEventInfo (this);
114                         if (nonPublic)
115                                 return info.other_methods;
116                         int num_public = 0;
117                         foreach (MethodInfo m in info.other_methods) {
118                                 if (m.IsPublic)
119                                         num_public++;
120                         }
121                         if (num_public == info.other_methods.Length)
122                                 return info.other_methods;
123                         MethodInfo[] res = new MethodInfo [num_public];
124                         num_public = 0;
125                         foreach (MethodInfo m in info.other_methods) {
126                                 if (m.IsPublic)
127                                         res [num_public++] = m;
128                         }
129                         return res;
130                 }
131
132                 public override Type DeclaringType {
133                         get {
134                                 return MonoEventInfo.GetEventInfo (this).declaring_type;
135                         }
136                 }
137
138                 public override Type ReflectedType {
139                         get {
140                                 return MonoEventInfo.GetEventInfo (this).reflected_type;
141                         }
142                 }
143
144                 public override string Name {
145                         get {
146                                 return MonoEventInfo.GetEventInfo (this).name;
147                         }
148                 }
149
150                 public override string ToString ()
151                 {
152                         return EventHandlerType + " " + Name;
153                 }
154
155                 public override bool IsDefined (Type attributeType, bool inherit)
156                 {
157                         return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
158                 }
159
160                 public override object[] GetCustomAttributes( bool inherit)
161                 {
162                         return MonoCustomAttrs.GetCustomAttributes (this, inherit);
163                 }
164
165                 public override object[] GetCustomAttributes( Type attributeType, bool inherit)
166                 {
167                         return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
168                 }
169
170                 // ISerializable
171                 public void GetObjectData (SerializationInfo info, StreamingContext context) 
172                 {
173                         MemberInfoSerializationHolder.Serialize (info, Name, ReflectedType,
174                                 ToString(), MemberTypes.Event);
175                 }
176
177                 public override IList<CustomAttributeData> GetCustomAttributesData () {
178                         return CustomAttributeData.GetCustomAttributes (this);
179                 }
180         }
181 }