2 // System.Reflection/CustomAttributeData.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.
33 using System.Collections.Generic;
34 using System.Runtime.CompilerServices;
35 using System.Runtime.InteropServices;
38 namespace System.Reflection {
42 public sealed class CustomAttributeData {
43 ConstructorInfo ctorInfo;
44 IList<CustomAttributeTypedArgument> ctorArgs;
45 IList<CustomAttributeNamedArgument> namedArgs;
47 internal CustomAttributeData (ConstructorInfo ctorInfo, object [] ctorArgs, object [] namedArgs)
49 this.ctorInfo = ctorInfo;
51 this.ctorArgs = Array.AsReadOnly<CustomAttributeTypedArgument>
52 (ctorArgs != null ? UnboxValues<CustomAttributeTypedArgument> (ctorArgs) : new CustomAttributeTypedArgument [0]);
54 this.namedArgs = Array.AsReadOnly<CustomAttributeNamedArgument>
55 (namedArgs != null ? UnboxValues<CustomAttributeNamedArgument> (namedArgs) : new CustomAttributeNamedArgument [0]);
59 public ConstructorInfo Constructor {
66 public IList<CustomAttributeTypedArgument> ConstructorArguments {
72 public IList<CustomAttributeNamedArgument> NamedArguments {
78 public static IList<CustomAttributeData> GetCustomAttributes (Assembly target) {
79 return MonoCustomAttrs.GetCustomAttributesData (target);
82 public static IList<CustomAttributeData> GetCustomAttributes (MemberInfo target) {
83 return MonoCustomAttrs.GetCustomAttributesData (target);
86 public static IList<CustomAttributeData> GetCustomAttributes (Module target) {
87 return MonoCustomAttrs.GetCustomAttributesData (target);
90 public static IList<CustomAttributeData> GetCustomAttributes (ParameterInfo target) {
91 return MonoCustomAttrs.GetCustomAttributesData (target);
94 public override string ToString ()
96 StringBuilder sb = new StringBuilder ();
98 sb.Append ("[" + ctorInfo.DeclaringType.FullName + "(");
99 for (int i = 0; i < ctorArgs.Count; i++) {
100 sb.Append (ctorArgs [i].ToString ());
101 if (i + 1 < ctorArgs.Count)
105 if (namedArgs.Count > 0)
108 for (int j = 0; j < namedArgs.Count; j++) {
109 sb.Append (namedArgs [j].ToString ());
110 if (j + 1 < namedArgs.Count)
113 sb.AppendFormat (")]");
115 return sb.ToString ();
118 static T [] UnboxValues<T> (object [] values)
120 T [] retval = new T [values.Length];
121 for (int i = 0; i < values.Length; i++)
122 retval [i] = (T) values [i];
127 public override bool Equals (object obj)
129 CustomAttributeData other = obj as CustomAttributeData;
130 if (other == null || other.ctorInfo != ctorInfo ||
131 other.ctorArgs.Count != ctorArgs.Count ||
132 other.namedArgs.Count != namedArgs.Count)
134 for (int i = 0; i < ctorArgs.Count; i++)
135 if (ctorArgs [i].Equals (other.ctorArgs [i]))
137 for (int i = 0; i < namedArgs.Count; i++) {
138 bool matched = false;
139 for (int j = 0; j < other.namedArgs.Count; j++)
140 if (namedArgs [i].Equals (other.namedArgs [j])) {
150 public override int GetHashCode ()
152 int ret = ctorInfo.GetHashCode () << 16;
153 // argument order-dependent
154 for (int i = 0; i < ctorArgs.Count; i++)
155 ret += ret ^ 7 + ctorArgs [i].GetHashCode () << (i * 4);
156 // argument order-independent
157 for (int i = 0; i < namedArgs.Count; i++)
158 ret += (namedArgs [i].GetHashCode () << 5);