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.
31 using System.Collections.Generic;
32 using System.Runtime.CompilerServices;
33 using System.Runtime.InteropServices;
36 namespace System.Reflection {
45 class CustomAttributeData {
46 ConstructorInfo ctorInfo;
47 IList<CustomAttributeTypedArgument> ctorArgs;
48 IList<CustomAttributeNamedArgument> namedArgs;
51 protected CustomAttributeData ()
56 internal CustomAttributeData (ConstructorInfo ctorInfo, object [] ctorArgs, object [] namedArgs)
58 this.ctorInfo = ctorInfo;
60 this.ctorArgs = Array.AsReadOnly<CustomAttributeTypedArgument>
61 (ctorArgs != null ? UnboxValues<CustomAttributeTypedArgument> (ctorArgs) : new CustomAttributeTypedArgument [0]);
63 this.namedArgs = Array.AsReadOnly<CustomAttributeNamedArgument>
64 (namedArgs != null ? UnboxValues<CustomAttributeNamedArgument> (namedArgs) : new CustomAttributeNamedArgument [0]);
72 ConstructorInfo Constructor {
83 IList<CustomAttributeTypedArgument> ConstructorArguments {
93 IList<CustomAttributeNamedArgument> NamedArguments {
99 public static IList<CustomAttributeData> GetCustomAttributes (Assembly target) {
100 return MonoCustomAttrs.GetCustomAttributesData (target);
103 public static IList<CustomAttributeData> GetCustomAttributes (MemberInfo target) {
104 return MonoCustomAttrs.GetCustomAttributesData (target);
107 public static IList<CustomAttributeData> GetCustomAttributes (Module target) {
108 return MonoCustomAttrs.GetCustomAttributesData (target);
111 public static IList<CustomAttributeData> GetCustomAttributes (ParameterInfo target) {
112 return MonoCustomAttrs.GetCustomAttributesData (target);
115 public override string ToString ()
117 StringBuilder sb = new StringBuilder ();
119 sb.Append ("[" + ctorInfo.DeclaringType.FullName + "(");
120 for (int i = 0; i < ctorArgs.Count; i++) {
121 sb.Append (ctorArgs [i].ToString ());
122 if (i + 1 < ctorArgs.Count)
126 if (namedArgs.Count > 0)
129 for (int j = 0; j < namedArgs.Count; j++) {
130 sb.Append (namedArgs [j].ToString ());
131 if (j + 1 < namedArgs.Count)
134 sb.AppendFormat (")]");
136 return sb.ToString ();
139 static T [] UnboxValues<T> (object [] values)
141 T [] retval = new T [values.Length];
142 for (int i = 0; i < values.Length; i++)
143 retval [i] = (T) values [i];
148 public override bool Equals (object obj)
150 CustomAttributeData other = obj as CustomAttributeData;
151 if (other == null || other.ctorInfo != ctorInfo ||
152 other.ctorArgs.Count != ctorArgs.Count ||
153 other.namedArgs.Count != namedArgs.Count)
155 for (int i = 0; i < ctorArgs.Count; i++)
156 if (ctorArgs [i].Equals (other.ctorArgs [i]))
158 for (int i = 0; i < namedArgs.Count; i++) {
159 bool matched = false;
160 for (int j = 0; j < other.namedArgs.Count; j++)
161 if (namedArgs [i].Equals (other.namedArgs [j])) {
171 public override int GetHashCode ()
173 int ret = ctorInfo.GetHashCode () << 16;
174 // argument order-dependent
175 for (int i = 0; i < ctorArgs.Count; i++)
176 ret += ret ^ 7 + ctorArgs [i].GetHashCode () << (i * 4);
177 // argument order-independent
178 for (int i = 0; i < namedArgs.Count; i++)
179 ret += (namedArgs [i].GetHashCode () << 5);