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 {
41 class CustomAttributeData {
43 internal Assembly assembly;
45 internal uint data_length;
48 ConstructorInfo ctorInfo;
49 IList<CustomAttributeTypedArgument> ctorArgs;
50 IList<CustomAttributeNamedArgument> namedArgs;
51 LazyCAttrData lazyData;
54 protected CustomAttributeData ()
58 internal CustomAttributeData (ConstructorInfo ctorInfo, Assembly assembly, IntPtr data, uint data_length)
60 this.ctorInfo = ctorInfo;
61 this.lazyData = new LazyCAttrData ();
62 this.lazyData.assembly = assembly;
63 this.lazyData.data = data;
64 this.lazyData.data_length = data_length;
67 [MethodImplAttribute (MethodImplOptions.InternalCall)]
68 static extern void ResolveArgumentsInternal (ConstructorInfo ctor, Assembly assembly, IntPtr data, uint data_length, out object[] ctorArgs, out object[] namedArgs);
70 void ResolveArguments ()
72 object[] ctor_args, named_args;
76 ResolveArgumentsInternal (ctorInfo, lazyData.assembly, lazyData.data, lazyData.data_length, out ctor_args, out named_args);
78 this.ctorArgs = Array.AsReadOnly<CustomAttributeTypedArgument>
79 (ctor_args != null ? UnboxValues<CustomAttributeTypedArgument> (ctor_args) : EmptyArray<CustomAttributeTypedArgument>.Value);
80 this.namedArgs = Array.AsReadOnly<CustomAttributeNamedArgument>
81 (named_args != null ? UnboxValues<CustomAttributeNamedArgument> (named_args) : EmptyArray<CustomAttributeNamedArgument>.Value);
89 ConstructorInfo Constructor {
98 IList<CustomAttributeTypedArgument> ConstructorArguments {
107 IList<CustomAttributeNamedArgument> NamedArguments {
114 public static IList<CustomAttributeData> GetCustomAttributes (Assembly target) {
115 return MonoCustomAttrs.GetCustomAttributesData (target);
118 public static IList<CustomAttributeData> GetCustomAttributes (MemberInfo target) {
119 return MonoCustomAttrs.GetCustomAttributesData (target);
122 public static IList<CustomAttributeData> GetCustomAttributes (Module target) {
123 return MonoCustomAttrs.GetCustomAttributesData (target);
126 public static IList<CustomAttributeData> GetCustomAttributes (ParameterInfo target) {
127 return MonoCustomAttrs.GetCustomAttributesData (target);
130 public Type AttributeType {
131 get { return ctorInfo.DeclaringType; }
134 public override string ToString ()
136 StringBuilder sb = new StringBuilder ();
138 sb.Append ("[" + ctorInfo.DeclaringType.FullName + "(");
139 for (int i = 0; i < ctorArgs.Count; i++) {
140 sb.Append (ctorArgs [i].ToString ());
141 if (i + 1 < ctorArgs.Count)
145 if (namedArgs.Count > 0)
148 for (int j = 0; j < namedArgs.Count; j++) {
149 sb.Append (namedArgs [j].ToString ());
150 if (j + 1 < namedArgs.Count)
153 sb.AppendFormat (")]");
155 return sb.ToString ();
158 static T [] UnboxValues<T> (object [] values)
160 T [] retval = new T [values.Length];
161 for (int i = 0; i < values.Length; i++)
162 retval [i] = (T) values [i];
167 public override bool Equals (object obj)
169 CustomAttributeData other = obj as CustomAttributeData;
170 if (other == null || other.ctorInfo != ctorInfo ||
171 other.ctorArgs.Count != ctorArgs.Count ||
172 other.namedArgs.Count != namedArgs.Count)
174 for (int i = 0; i < ctorArgs.Count; i++)
175 if (ctorArgs [i].Equals (other.ctorArgs [i]))
177 for (int i = 0; i < namedArgs.Count; i++) {
178 bool matched = false;
179 for (int j = 0; j < other.namedArgs.Count; j++)
180 if (namedArgs [i].Equals (other.namedArgs [j])) {
190 public override int GetHashCode ()
192 int ret = ctorInfo == null ? 13 : (ctorInfo.GetHashCode () << 16);
193 // argument order-dependent
194 if (ctorArgs != null) {
195 for (int i = 0; i < ctorArgs.Count; i++) {
196 ret += ret ^ 7 + ctorArgs [i].GetHashCode () << (i * 4);
199 // argument order-independent
200 if (namedArgs != null) {
201 for (int i = 0; i < namedArgs.Count; i++)
202 ret += (namedArgs [i].GetHashCode () << 5);