// Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. // See the LICENSE file in the project root for more information. // TypeDelegator // // This class wraps a Type object and delegates all methods to that Type. namespace System.Reflection { using System; using System.Runtime.InteropServices; using System.Diagnostics.Contracts; using CultureInfo = System.Globalization.CultureInfo; [Serializable] [System.Runtime.InteropServices.ComVisible(true)] public class TypeDelegator : TypeInfo { public override bool IsAssignableFrom(System.Reflection.TypeInfo typeInfo){ if(typeInfo==null) return false; return IsAssignableFrom(typeInfo.AsType()); } protected Type typeImpl; protected TypeDelegator() {} public TypeDelegator(Type delegatingType) { if (delegatingType == null) throw new ArgumentNullException(nameof(delegatingType)); Contract.EndContractBlock(); typeImpl = delegatingType; } public override Guid GUID { get {return typeImpl.GUID;} } public override int MetadataToken { get { return typeImpl.MetadataToken; } } public override Object InvokeMember(String name,BindingFlags invokeAttr,Binder binder,Object target, Object[] args,ParameterModifier[] modifiers,CultureInfo culture,String[] namedParameters) { return typeImpl.InvokeMember(name,invokeAttr,binder,target,args,modifiers,culture,namedParameters); } public override Module Module { get {return typeImpl.Module;} } public override Assembly Assembly { get {return typeImpl.Assembly;} } public override RuntimeTypeHandle TypeHandle { get{return typeImpl.TypeHandle;} } public override String Name { get{return typeImpl.Name;} } public override String FullName { get{return typeImpl.FullName;} } public override String Namespace { get{return typeImpl.Namespace;} } public override String AssemblyQualifiedName { get { return typeImpl.AssemblyQualifiedName; } } public override Type BaseType { get{return typeImpl.BaseType;} } protected override ConstructorInfo GetConstructorImpl(BindingFlags bindingAttr,Binder binder, CallingConventions callConvention, Type[] types,ParameterModifier[] modifiers) { return typeImpl.GetConstructor(bindingAttr,binder,callConvention,types,modifiers); } [System.Runtime.InteropServices.ComVisible(true)] public override ConstructorInfo[] GetConstructors(BindingFlags bindingAttr) { return typeImpl.GetConstructors(bindingAttr); } protected override MethodInfo GetMethodImpl(String name,BindingFlags bindingAttr,Binder binder, CallingConventions callConvention, Type[] types,ParameterModifier[] modifiers) { // This is interesting there are two paths into the impl. One that validates // type as non-null and one where type may be null. if (types == null) return typeImpl.GetMethod(name,bindingAttr); else return typeImpl.GetMethod(name,bindingAttr,binder,callConvention,types,modifiers); } public override MethodInfo[] GetMethods(BindingFlags bindingAttr) { return typeImpl.GetMethods(bindingAttr); } public override FieldInfo GetField(String name, BindingFlags bindingAttr) { return typeImpl.GetField(name,bindingAttr); } public override FieldInfo[] GetFields(BindingFlags bindingAttr) { return typeImpl.GetFields(bindingAttr); } public override Type GetInterface(String name, bool ignoreCase) { return typeImpl.GetInterface(name,ignoreCase); } public override Type[] GetInterfaces() { return typeImpl.GetInterfaces(); } public override EventInfo GetEvent(String name,BindingFlags bindingAttr) { return typeImpl.GetEvent(name,bindingAttr); } public override EventInfo[] GetEvents() { return typeImpl.GetEvents(); } protected override PropertyInfo GetPropertyImpl(String name,BindingFlags bindingAttr,Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers) { if (returnType == null && types == null) return typeImpl.GetProperty(name,bindingAttr); else return typeImpl.GetProperty(name,bindingAttr,binder,returnType,types,modifiers); } public override PropertyInfo[] GetProperties(BindingFlags bindingAttr) { return typeImpl.GetProperties(bindingAttr); } public override EventInfo[] GetEvents(BindingFlags bindingAttr) { return typeImpl.GetEvents(bindingAttr); } public override Type[] GetNestedTypes(BindingFlags bindingAttr) { return typeImpl.GetNestedTypes(bindingAttr); } public override Type GetNestedType(String name, BindingFlags bindingAttr) { return typeImpl.GetNestedType(name,bindingAttr); } public override MemberInfo[] GetMember(String name, MemberTypes type, BindingFlags bindingAttr) { return typeImpl.GetMember(name,type,bindingAttr); } public override MemberInfo[] GetMembers(BindingFlags bindingAttr) { return typeImpl.GetMembers(bindingAttr); } protected override TypeAttributes GetAttributeFlagsImpl() { return typeImpl.Attributes; } protected override bool IsArrayImpl() { return typeImpl.IsArray; } protected override bool IsPrimitiveImpl() { return typeImpl.IsPrimitive; } protected override bool IsByRefImpl() { return typeImpl.IsByRef; } protected override bool IsPointerImpl() { return typeImpl.IsPointer; } protected override bool IsValueTypeImpl() { return typeImpl.IsValueType; } protected override bool IsCOMObjectImpl() { return typeImpl.IsCOMObject; } public override bool IsConstructedGenericType { get { return typeImpl.IsConstructedGenericType; } } public override Type GetElementType() { return typeImpl.GetElementType(); } protected override bool HasElementTypeImpl() { return typeImpl.HasElementType; } public override Type UnderlyingSystemType { get {return typeImpl.UnderlyingSystemType;} } // ICustomAttributeProvider public override Object[] GetCustomAttributes(bool inherit) { return typeImpl.GetCustomAttributes(inherit); } public override Object[] GetCustomAttributes(Type attributeType, bool inherit) { return typeImpl.GetCustomAttributes(attributeType, inherit); } public override bool IsDefined(Type attributeType, bool inherit) { return typeImpl.IsDefined(attributeType, inherit); } [System.Runtime.InteropServices.ComVisible(true)] public override InterfaceMapping GetInterfaceMap(Type interfaceType) { return typeImpl.GetInterfaceMap(interfaceType); } } }