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         [ComVisible (true)]
  42         [ComDefaultInterfaceAttribute (typeof (_Module))]
  43         [Serializable]
  44         [ClassInterface(ClassInterfaceType.None)]
  45         class MonoModule : Module {
  46
  47                 public
  48                 override
  49                 Assembly Assembly {
  50                         get { return assembly; }
  51                 }
  52
  53                 public
  54                 override
  55                 // Note: we do not ask for PathDiscovery because no path is returned here.
  56                 // However MS Fx requires it (see FDBK23572 for details).
  57                 string Name {
  58                         get { return name; }
  59                 }
  60
  61                 public
  62                 override
  63                 string ScopeName {
  64                         get { return scopename; }
  65                 }
  66
  67                 public
  68                 override
  69                 int MDStreamVersion {
  70                         get {
  71                                 if (_impl == IntPtr.Zero)
  72                                         throw new NotSupportedException ();
  73                                 return GetMDStreamVersion (_impl);
  74                         }
  75                 }
  76
  77                 public
  78                 override
  79                 Guid ModuleVersionId {
  80                         get {
  81                                 return GetModuleVersionId ();
  82                         }
  83                 }
  84
  85                 public override
  86                 string FullyQualifiedName {
  87                         get {
  88 #if !NET_2_1
  89                                 if (SecurityManager.SecurityEnabled) {
  90                                         new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fqname).Demand ();
  91                                 }
  92 #endif
  93                                 return fqname;
  94                         }
  95                 }
  96
  97                 public
  98                 override
  99                 bool IsResource()
 100                 {
 101                         return is_resource;
 102                 }
 103
 104                 public override
 105                 Type[] FindTypes(TypeFilter filter, object filterCriteria)
 106                 {
 107                         var filtered = new List<Type> ();
 108                         Type[] types = GetTypes ();
 109                         foreach (Type t in types)
 110                                 if (filter (t, filterCriteria))
 111                                         filtered.Add (t);
 112                         return filtered.ToArray ();
 113                 }
 114
 115                 public override
 116                 object[] GetCustomAttributes(bool inherit)
 117                 {
 118                         return MonoCustomAttrs.GetCustomAttributes (this, inherit);
 119                 }
 120
 121                 public override
 122                 object[] GetCustomAttributes(Type attributeType, bool inherit)
 123                 {
 124                         return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
 125                 }
 126
 127                 public override
 128                 FieldInfo GetField (string name, BindingFlags bindingAttr)
 129                 {
 130                         if (IsResource ())
 131                                 return null;
 132
 133                         Type globalType = GetGlobalType ();
 134                         return (globalType != null) ? globalType.GetField (name, bindingAttr) : null;
 135                 }
 136
 137                 public override
 138                 FieldInfo[] GetFields (BindingFlags bindingFlags)
 139                 {
 140                         if (IsResource ())
 141                                 return new FieldInfo [0];
 142
 143                         Type globalType = GetGlobalType ();
 144                         return (globalType != null) ? globalType.GetFields (bindingFlags) : new FieldInfo [0];
 145                 }
 146
 147                 public override
 148                 int MetadataToken {
 149                         get { return get_MetadataToken (this); }
 150                 }
 151                 protected
 152                 override
 153                 MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
 154                 {
 155                         if (IsResource ())
 156                                 return null;
 157
 158                         Type globalType = GetGlobalType ();
 159                         if (globalType == null)
 160                                 return null;
 161                         if (types == null)
 162                                 return globalType.GetMethod (name);
 163                         return globalType.GetMethod (name, bindingAttr, binder, callConvention, types, modifiers);
 164                 }
 165
 166                 public
 167                 override
 168                 MethodInfo[] GetMethods (BindingFlags bindingFlags) {
 169                         if (IsResource ())
 170                                 return new MethodInfo [0];
 171
 172                         Type globalType = GetGlobalType ();
 173                         return (globalType != null) ? globalType.GetMethods (bindingFlags) : new MethodInfo [0];
 174                 }
 175
 176                 public override
 177                 void GetPEKind (out PortableExecutableKinds peKind, out ImageFileMachine machine) {
 178                         ModuleHandle.GetPEKind (out peKind, out machine);
 179                 }
 180
 181                 public override
 182                 Type GetType(string className, bool throwOnError, bool ignoreCase)
 183                 {
 184                         if (className == null)
 185                                 throw new ArgumentNullException ("className");
 186                         if (className == String.Empty)
 187                                 throw new ArgumentException ("Type name can't be empty");
 188                         return assembly.InternalGetType (this, className, throwOnError, ignoreCase);
 189                 }
 190
 191                 public override
 192                 bool IsDefined (Type attributeType, bool inherit)
 193                 {
 194                         return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
 195                 }
 196
 197                 public
 198                 override
 199                 FieldInfo ResolveField (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
 200                         ResolveTokenError error;
 201
 202                         IntPtr handle = ResolveFieldToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
 203                         if (handle == IntPtr.Zero)
 204                                 throw resolve_token_exception (metadataToken, error, "Field");
 205                         else
 206                                 return FieldInfo.GetFieldFromHandle (new RuntimeFieldHandle (handle));
 207                 }
 208
 209                 public
 210                 override
 211                 MemberInfo ResolveMember (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
 212
 213                         ResolveTokenError error;
 214
 215                         MemberInfo m = ResolveMemberToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
 216                         if (m == null)
 217                                 throw resolve_token_exception (metadataToken, error, "MemberInfo");
 218                         else
 219                                 return m;
 220                 }
 221
 222                 public
 223                 override
 224                 MethodBase ResolveMethod (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
 225                         ResolveTokenError error;
 226
 227                         IntPtr handle = ResolveMethodToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
 228                         if (handle == IntPtr.Zero)
 229                                 throw resolve_token_exception (metadataToken, error, "MethodBase");
 230                         else
 231                                 return MethodBase.GetMethodFromHandleNoGenericCheck (new RuntimeMethodHandle (handle));
 232                 }
 233
 234                 public
 235                 override
 236                 string ResolveString (int metadataToken) {
 237                         ResolveTokenError error;
 238
 239                         string s = ResolveStringToken (_impl, metadataToken, out error);
 240                         if (s == null)
 241                                 throw resolve_token_exception (metadataToken, error, "string");
 242                         else
 243                                 return s;
 244                 }
 245
 246                 public
 247                 override
 248                 Type ResolveType (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
 249                         ResolveTokenError error;
 250
 251                         IntPtr handle = ResolveTypeToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
 252                         if (handle == IntPtr.Zero)
 253                                 throw resolve_token_exception (metadataToken, error, "Type");
 254                         else
 255                                 return Type.GetTypeFromHandle (new RuntimeTypeHandle (handle));
 256                 }
 257
 258                 public
 259                 override
 260                 byte[] ResolveSignature (int metadataToken) {
 261                         ResolveTokenError error;
 262
 263                     byte[] res = ResolveSignature (_impl, metadataToken, out error);
 264                         if (res == null)
 265                                 throw resolve_token_exception (metadataToken, error, "signature");
 266                         else
 267                                 return res;
 268                 }
 269
 270                 public override void GetObjectData (SerializationInfo info, StreamingContext context)
 271                 {
 272                         if (info == null)
 273                                 throw new ArgumentNullException ("info");
 274
 275                         UnitySerializationHolder.GetUnitySerializationInfo (info, UnitySerializationHolder.ModuleUnity, this.ScopeName, this.GetRuntimeAssembly ());
 276                 }
 277
 278 #if !NET_2_1
 279
 280                 public
 281                 override
 282                 X509Certificate GetSignerCertificate ()
 283                 {
 284                         try {
 285                                 return X509Certificate.CreateFromSignedFile (assembly.Location);
 286                         }
 287                         catch {
 288                                 return null;
 289                         }
 290                 }
 291 #endif
 292
 293                 public override
 294                 Type[] GetTypes()
 295                 {
 296                         return InternalGetTypes ();
 297                 }
 298
 299                 public override IList<CustomAttributeData> GetCustomAttributesData () {
 300                         return CustomAttributeData.GetCustomAttributes (this);
 301                 }
 302
 303                 internal RuntimeAssembly GetRuntimeAssembly ()
 304                 {
 305                         return (RuntimeAssembly)assembly;
 306                 }
 307         }
 308 }