2 // System.Reflection/CustomAttributeTypedArgument.cs
5 // Zoltan Varga (vargaz@gmail.com)
6 // Carlos Alberto Cortez (calberto.cortez@gmail.com)
8 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
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.
32 using System.Runtime.InteropServices;
33 using System.Collections.ObjectModel;
35 namespace System.Reflection {
39 public struct CustomAttributeTypedArgument {
44 CustomAttributeTypedArgument (Type argumentType, object value)
46 if (argumentType == null)
47 throw new ArgumentNullException ("argumentType");
49 this.argumentType = argumentType;
52 // MS seems to convert arrays into a ReadOnlyCollection
54 Array a = (Array)value;
56 Type etype = a.GetType ().GetElementType ();
57 CustomAttributeTypedArgument[] new_value = new CustomAttributeTypedArgument [a.GetLength (0)];
58 for (int i = 0; i < new_value.Length; ++i)
59 new_value [i] = new CustomAttributeTypedArgument (etype, a.GetValue (i));
60 this.value = new ReadOnlyCollection <CustomAttributeTypedArgument> (new_value);
64 public CustomAttributeTypedArgument (object value)
67 throw new ArgumentNullException ("value");
69 this.argumentType = value.GetType ();
73 public Type ArgumentType {
85 public override string ToString ()
87 string val = value != null ? value.ToString () : String.Empty;
88 if (argumentType == typeof (string))
89 return "\"" + val + "\"";
90 if (argumentType == typeof (Type))
91 return "typeof (" + val + ")";
92 if (argumentType.IsEnum)
93 return "(" + argumentType.Name + ")" + val;
98 public override bool Equals (object obj)
100 if (!(obj is CustomAttributeTypedArgument))
102 CustomAttributeTypedArgument other = (CustomAttributeTypedArgument) obj;
103 return other.argumentType == argumentType &&
104 value != null ? value.Equals (other.value) : (object) other.value == null;
107 public override int GetHashCode ()
109 return (argumentType.GetHashCode () << 16) + (value != null ? value.GetHashCode () : 0);
112 public static bool operator == (CustomAttributeTypedArgument left, CustomAttributeTypedArgument right)
114 return left.Equals (right);
117 public static bool operator != (CustomAttributeTypedArgument left, CustomAttributeTypedArgument right)
119 return !left.Equals (right);