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// MemberInfoSerializationHolder.cs.cs
//
// Author:
// Patrik Torstensson
// Robert Jordan <robertj@gmx.net>
//
// (C) 2003 Patrik Torstensson
//
// Copyright (C) 2004-2007 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Runtime.Serialization;
namespace System.Reflection
{
[Serializable]
internal class MemberInfoSerializationHolder : IObjectReference, ISerializable
{
const BindingFlags DefaultBinding = BindingFlags.Instance | BindingFlags.Static |
BindingFlags.Public | BindingFlags.NonPublic;
readonly string _memberName;
readonly string _memberSignature;
readonly MemberTypes _memberType;
readonly Type _reflectedType;
#if NET_2_0
readonly Type[] _genericArguments;
#endif
MemberInfoSerializationHolder(SerializationInfo info, StreamingContext ctx)
{
string assemblyName;
string typeName;
assemblyName = info.GetString("AssemblyName");
typeName = info.GetString("ClassName");
_memberName = info.GetString("Name");
_memberSignature = info.GetString("Signature");
_memberType = (MemberTypes) info.GetInt32("MemberType");
#if NET_2_0
try {
_genericArguments = null;
// FIXME: this doesn't work at present. It seems that
// ObjectManager doesn't cope with nested IObjectReferences.
// _genericArguments = (Type[]) info.GetValue("GenericArguments", typeof(Type[]));
} catch (SerializationException) {
// expected (old NET_1_0 protocol)
}
#endif
// Load type
Assembly asm = Assembly.Load(assemblyName);
_reflectedType = asm.GetType(typeName, true, true);
}
public static void Serialize(SerializationInfo info, String name, Type klass, String signature, MemberTypes type)
{
Serialize (info, name, klass, signature, type, null);
}
#if NET_2_0
public
#endif
static void Serialize(SerializationInfo info, String name, Type klass, String signature, MemberTypes type, Type[] genericArguments)
{
info.SetType( typeof(MemberInfoSerializationHolder));
info.AddValue("AssemblyName", klass.Module.Assembly.FullName, typeof(String));
info.AddValue("ClassName", klass.FullName, typeof(String));
info.AddValue("Name", name, typeof(String));
info.AddValue("Signature", signature, typeof(String));
info.AddValue("MemberType",(int)type);
#if NET_2_0
info.AddValue("GenericArguments", genericArguments, typeof (Type[]));
#endif
}
public void GetObjectData(SerializationInfo info, StreamingContext context)
{
throw new NotSupportedException();
}
public object GetRealObject(StreamingContext context)
{
switch (_memberType)
{
case MemberTypes.Constructor:
ConstructorInfo [] ctors;
ctors = _reflectedType.GetConstructors (DefaultBinding);
for (int i = 0; i < ctors.Length; i++)
if ( ctors[i].ToString().Equals(_memberSignature))
return ctors[i];
throw new SerializationException (String.Format ("Could not find constructor '{0}' in type '{1}'", _memberSignature, _reflectedType));
case MemberTypes.Method:
MethodInfo [] methods;
methods = _reflectedType.GetMethods(DefaultBinding);
for (int i = 0; i < methods.Length; i++)
if ((methods[i]).ToString().Equals(_memberSignature))
return methods[i];
#if NET_2_0
else if (_genericArguments != null &&
methods[i].IsGenericMethod &&
methods[i].GetGenericArguments().Length == _genericArguments.Length) {
MethodInfo mi = methods[i].MakeGenericMethod(_genericArguments);
if (mi.ToString() == _memberSignature)
return mi;
}
#endif
throw new SerializationException (String.Format ("Could not find method '{0}' in type '{1}'", _memberSignature, _reflectedType));
case MemberTypes.Field:
FieldInfo fi = _reflectedType.GetField (_memberName, DefaultBinding);
if (fi != null)
return fi;
throw new SerializationException (String.Format ("Could not find field '{0}' in type '{1}'", _memberName, _reflectedType));
case MemberTypes.Property:
PropertyInfo pi = _reflectedType.GetProperty (_memberName, DefaultBinding);
if (pi != null)
return pi;
throw new SerializationException (String.Format ("Could not find property '{0}' in type '{1}'", _memberName, _reflectedType));
#if NET_2_0
case MemberTypes.Event:
EventInfo ei = _reflectedType.GetEvent (_memberName, DefaultBinding);
if (ei != null)
return ei;
throw new SerializationException (String.Format ("Could not find event '{0}' in type '{1}'", _memberName, _reflectedType));
#endif
default:
throw new SerializationException (String.Format ("Unhandled MemberType {0}", _memberType));
}
}
}
}
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