mcs/class/corlib/System.Reflection.Emit/EventBuilder.cs

   1
   2 //
   3 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
   4 //
   5 // Permission is hereby granted, free of charge, to any person obtaining
   6 // a copy of this software and associated documentation files (the
   7 // "Software"), to deal in the Software without restriction, including
   8 // without limitation the rights to use, copy, modify, merge, publish,
   9 // distribute, sublicense, and/or sell copies of the Software, and to
  10 // permit persons to whom the Software is furnished to do so, subject to
  11 // the following conditions:
  12 //
  13 // The above copyright notice and this permission notice shall be
  14 // included in all copies or substantial portions of the Software.
  15 //
  16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  20 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  21 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  22 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23 //
  24
  25 //
  26 // System.Reflection.Emit/EventBuilder.cs
  27 //
  28 // Author:
  29 //   Paolo Molaro (lupus@ximian.com)
  30 //
  31 // (C) 2001 Ximian, Inc.  http://www.ximian.com
  32 //
  33
  34 using System;
  35 using System.Reflection;
  36 using System.Reflection.Emit;
  37 using System.Globalization;
  38 using System.Runtime.CompilerServices;
  39 using System.Runtime.InteropServices;
  40
  41 namespace System.Reflection.Emit {
  42         [ComVisible (true)]
  43         [ComDefaultInterface (typeof (_EventBuilder))]
  44         [ClassInterface (ClassInterfaceType.None)]
  45         [StructLayout (LayoutKind.Sequential)]
  46         public sealed class EventBuilder : _EventBuilder {
  47 #pragma warning disable 169, 414
  48                 internal string name;
  49                 Type type;
  50                 TypeBuilder typeb;
  51                 CustomAttributeBuilder[] cattrs;
  52                 internal MethodBuilder add_method;
  53                 internal MethodBuilder remove_method;
  54                 internal MethodBuilder raise_method;
  55                 internal MethodBuilder[] other_methods;
  56                 internal EventAttributes attrs;
  57                 int table_idx;
  58 #pragma warning restore 169, 414
  59
  60                 internal EventBuilder (TypeBuilder tb, string eventName, EventAttributes eventAttrs, Type eventType) {
  61                         name = eventName;
  62                         attrs = eventAttrs;
  63                         type = eventType;
  64                         typeb = tb;
  65                         table_idx = get_next_table_index (this, 0x14, true);
  66                 }
  67
  68                 internal int get_next_table_index (object obj, int table, bool inc) {
  69                         return typeb.get_next_table_index (obj, table, inc);
  70                 }
  71
  72                 public void AddOtherMethod( MethodBuilder mdBuilder) {
  73                         if (mdBuilder == null)
  74                                 throw new ArgumentNullException ("mdBuilder");
  75                         RejectIfCreated ();
  76                         if (other_methods != null) {
  77                                 MethodBuilder[] newv = new MethodBuilder [other_methods.Length + 1];
  78                                 other_methods.CopyTo (newv, 0);
  79                                 other_methods = newv;
  80                         } else {
  81                                 other_methods = new MethodBuilder [1];
  82                         }
  83                         other_methods [other_methods.Length - 1] = mdBuilder;
  84                 }
  85
  86                 public EventToken GetEventToken () {
  87                         return new EventToken (0x14000000 | table_idx);
  88                 }
  89                 public void SetAddOnMethod( MethodBuilder mdBuilder) {
  90                         if (mdBuilder == null)
  91                                 throw new ArgumentNullException ("mdBuilder");
  92                         RejectIfCreated ();
  93                         add_method = mdBuilder;
  94                 }
  95                 public void SetRaiseMethod( MethodBuilder mdBuilder) {
  96                         if (mdBuilder == null)
  97                                 throw new ArgumentNullException ("mdBuilder");
  98                         RejectIfCreated ();
  99                         raise_method = mdBuilder;
 100                 }
 101                 public void SetRemoveOnMethod( MethodBuilder mdBuilder) {
 102                         if (mdBuilder == null)
 103                                 throw new ArgumentNullException ("mdBuilder");
 104                         RejectIfCreated ();
 105                         remove_method = mdBuilder;
 106                 }
 107
 108                 public void SetCustomAttribute( CustomAttributeBuilder customBuilder) {
 109                         if (customBuilder == null)
 110                                 throw new ArgumentNullException ("customBuilder");
 111                         RejectIfCreated ();
 112                         string attrname = customBuilder.Ctor.ReflectedType.FullName;
 113                         if (attrname == "System.Runtime.CompilerServices.SpecialNameAttribute") {
 114                                 attrs |= EventAttributes.SpecialName;
 115                                 return;
 116                         }
 117                         if (cattrs != null) {
 118                                 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
 119                                 cattrs.CopyTo (new_array, 0);
 120                                 new_array [cattrs.Length] = customBuilder;
 121                                 cattrs = new_array;
 122                         } else {
 123                                 cattrs = new CustomAttributeBuilder [1];
 124                                 cattrs [0] = customBuilder;
 125                         }
 126                 }
 127
 128                 [ComVisible (true)]
 129                 public void SetCustomAttribute( ConstructorInfo con, byte[] binaryAttribute) {
 130                         if (con == null)
 131                                 throw new ArgumentNullException ("con");
 132                         if (binaryAttribute == null)
 133                                 throw new ArgumentNullException ("binaryAttribute");
 134                         SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
 135                 }
 136
 137                 private void RejectIfCreated () {
 138                         if (typeb.is_created)
 139                                 throw new InvalidOperationException ("Type definition of the method is complete.");
 140                 }
 141
 142                 void _EventBuilder.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
 143                 {
 144                         throw new NotImplementedException ();
 145                 }
 146
 147                 void _EventBuilder.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
 148                 {
 149                         throw new NotImplementedException ();
 150                 }
 151
 152                 void _EventBuilder.GetTypeInfoCount (out uint pcTInfo)
 153                 {
 154                         throw new NotImplementedException ();
 155                 }
 156
 157                 void _EventBuilder.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
 158                 {
 159                         throw new NotImplementedException ();
 160                 }
 161         }
 162 }
 163