mcs/class/corlib/System.Reflection/MonoModule.cs

   1 //
   2 // System.Reflection/MonoModule.cs
   3 //
   4 // Author:
   5 //   Rodrigo Kumpera (rkumpera@novell.com)
   6 //
   7 // Copyright (C) 2010 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30 using System.Collections;
  31 using System.Collections.Generic;
  32 using System.Globalization;
  33 using System.Runtime.InteropServices;
  34 using System.Security.Cryptography.X509Certificates;
  35 using System.Security;
  36 using System.Security.Permissions;
  37 using System.Runtime.Serialization;
  38
  39 namespace System.Reflection {
  40
  41         abstract class RuntimeModule : Module
  42         {
  43
  44         }
  45
  46         [ComVisible (true)]
  47         [ComDefaultInterfaceAttribute (typeof (_Module))]
  48         [Serializable]
  49         [ClassInterface(ClassInterfaceType.None)]
  50         class MonoModule : RuntimeModule
  51         {
  52                 public
  53                 override
  54                 Assembly Assembly {
  55                         get { return assembly; }
  56                 }
  57
  58                 public
  59                 override
  60                 // Note: we do not ask for PathDiscovery because no path is returned here.
  61                 // However MS Fx requires it (see FDBK23572 for details).
  62                 string Name {
  63                         get { return name; }
  64                 }
  65
  66                 public
  67                 override
  68                 string ScopeName {
  69                         get { return scopename; }
  70                 }
  71
  72                 public
  73                 override
  74                 int MDStreamVersion {
  75                         get {
  76                                 if (_impl == IntPtr.Zero)
  77                                         throw new NotSupportedException ();
  78                                 return GetMDStreamVersion (_impl);
  79                         }
  80                 }
  81
  82                 public
  83                 override
  84                 Guid ModuleVersionId {
  85                         get {
  86                                 return GetModuleVersionId ();
  87                         }
  88                 }
  89
  90                 public override
  91                 string FullyQualifiedName {
  92                         get {
  93 #if !NET_2_1
  94                                 if (SecurityManager.SecurityEnabled) {
  95                                         new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fqname).Demand ();
  96                                 }
  97 #endif
  98                                 return fqname;
  99                         }
 100                 }
 101
 102                 public
 103                 override
 104                 bool IsResource()
 105                 {
 106                         return is_resource;
 107                 }
 108
 109                 public override
 110                 Type[] FindTypes(TypeFilter filter, object filterCriteria)
 111                 {
 112                         var filtered = new List<Type> ();
 113                         Type[] types = GetTypes ();
 114                         foreach (Type t in types)
 115                                 if (filter (t, filterCriteria))
 116                                         filtered.Add (t);
 117                         return filtered.ToArray ();
 118                 }
 119
 120                 public override
 121                 object[] GetCustomAttributes(bool inherit)
 122                 {
 123                         return MonoCustomAttrs.GetCustomAttributes (this, inherit);
 124                 }
 125
 126                 public override
 127                 object[] GetCustomAttributes(Type attributeType, bool inherit)
 128                 {
 129                         return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
 130                 }
 131
 132                 public override
 133                 FieldInfo GetField (string name, BindingFlags bindingAttr)
 134                 {
 135                         if (name == null)
 136                                 throw new ArgumentNullException("name");
 137
 138                         if (IsResource ())
 139                                 return null;
 140
 141                         Type globalType = GetGlobalType ();
 142                         return (globalType != null) ? globalType.GetField (name, bindingAttr) : null;
 143                 }
 144
 145                 public override
 146                 FieldInfo[] GetFields (BindingFlags bindingFlags)
 147                 {
 148                         if (IsResource ())
 149                                 return new FieldInfo [0];
 150
 151                         Type globalType = GetGlobalType ();
 152                         return (globalType != null) ? globalType.GetFields (bindingFlags) : new FieldInfo [0];
 153                 }
 154
 155                 public override
 156                 int MetadataToken {
 157                         get { return get_MetadataToken (this); }
 158                 }
 159                 protected
 160                 override
 161                 MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
 162                 {
 163                         if (IsResource ())
 164                                 return null;
 165
 166                         Type globalType = GetGlobalType ();
 167                         if (globalType == null)
 168                                 return null;
 169                         if (types == null)
 170                                 return globalType.GetMethod (name);
 171                         return globalType.GetMethod (name, bindingAttr, binder, callConvention, types, modifiers);
 172                 }
 173
 174                 public
 175                 override
 176                 MethodInfo[] GetMethods (BindingFlags bindingFlags) {
 177                         if (IsResource ())
 178                                 return new MethodInfo [0];
 179
 180                         Type globalType = GetGlobalType ();
 181                         return (globalType != null) ? globalType.GetMethods (bindingFlags) : new MethodInfo [0];
 182                 }
 183
 184                 public override
 185                 void GetPEKind (out PortableExecutableKinds peKind, out ImageFileMachine machine) {
 186                         ModuleHandle.GetPEKind (out peKind, out machine);
 187                 }
 188
 189                 public override
 190                 Type GetType(string className, bool throwOnError, bool ignoreCase)
 191                 {
 192                         if (className == null)
 193                                 throw new ArgumentNullException ("className");
 194                         if (className == String.Empty)
 195                                 throw new ArgumentException ("Type name can't be empty");
 196                         return assembly.InternalGetType (this, className, throwOnError, ignoreCase);
 197                 }
 198
 199                 public override
 200                 bool IsDefined (Type attributeType, bool inherit)
 201                 {
 202                         return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
 203                 }
 204
 205                 public
 206                 override
 207                 FieldInfo ResolveField (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
 208                         ResolveTokenError error;
 209
 210                         IntPtr handle = ResolveFieldToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
 211                         if (handle == IntPtr.Zero)
 212                                 throw resolve_token_exception (metadataToken, error, "Field");
 213                         else
 214                                 return FieldInfo.GetFieldFromHandle (new RuntimeFieldHandle (handle));
 215                 }
 216
 217                 public
 218                 override
 219                 MemberInfo ResolveMember (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
 220
 221                         ResolveTokenError error;
 222
 223                         MemberInfo m = ResolveMemberToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
 224                         if (m == null)
 225                                 throw resolve_token_exception (metadataToken, error, "MemberInfo");
 226                         else
 227                                 return m;
 228                 }
 229
 230                 public
 231                 override
 232                 MethodBase ResolveMethod (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
 233                         ResolveTokenError error;
 234
 235                         IntPtr handle = ResolveMethodToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
 236                         if (handle == IntPtr.Zero)
 237                                 throw resolve_token_exception (metadataToken, error, "MethodBase");
 238                         else
 239                                 return MethodBase.GetMethodFromHandleNoGenericCheck (new RuntimeMethodHandle (handle));
 240                 }
 241
 242                 public
 243                 override
 244                 string ResolveString (int metadataToken) {
 245                         ResolveTokenError error;
 246
 247                         string s = ResolveStringToken (_impl, metadataToken, out error);
 248                         if (s == null)
 249                                 throw resolve_token_exception (metadataToken, error, "string");
 250                         else
 251                                 return s;
 252                 }
 253
 254                 public
 255                 override
 256                 Type ResolveType (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
 257                         ResolveTokenError error;
 258
 259                         IntPtr handle = ResolveTypeToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
 260                         if (handle == IntPtr.Zero)
 261                                 throw resolve_token_exception (metadataToken, error, "Type");
 262                         else
 263                                 return Type.GetTypeFromHandle (new RuntimeTypeHandle (handle));
 264                 }
 265
 266                 public
 267                 override
 268                 byte[] ResolveSignature (int metadataToken) {
 269                         ResolveTokenError error;
 270
 271                     byte[] res = ResolveSignature (_impl, metadataToken, out error);
 272                         if (res == null)
 273                                 throw resolve_token_exception (metadataToken, error, "signature");
 274                         else
 275                                 return res;
 276                 }
 277
 278                 public override void GetObjectData (SerializationInfo info, StreamingContext context)
 279                 {
 280                         if (info == null)
 281                                 throw new ArgumentNullException ("info");
 282
 283                         UnitySerializationHolder.GetUnitySerializationInfo (info, UnitySerializationHolder.ModuleUnity, this.ScopeName, this.GetRuntimeAssembly ());
 284                 }
 285
 286 #if !NET_2_1
 287
 288                 public
 289                 override
 290                 X509Certificate GetSignerCertificate ()
 291                 {
 292                         try {
 293                                 return X509Certificate.CreateFromSignedFile (assembly.Location);
 294                         }
 295                         catch {
 296                                 return null;
 297                         }
 298                 }
 299 #endif
 300
 301                 public override
 302                 Type[] GetTypes()
 303                 {
 304                         return InternalGetTypes ();
 305                 }
 306
 307                 public override IList<CustomAttributeData> GetCustomAttributesData () {
 308                         return CustomAttributeData.GetCustomAttributes (this);
 309                 }
 310
 311                 internal RuntimeAssembly GetRuntimeAssembly ()
 312                 {
 313                         return (RuntimeAssembly)assembly;
 314                 }
 315         }
 316 }