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//
// System.UnitySerializationHolder.cs
//
// Author:
// Lluis Sanchez Gual (lsg@ctv.es)
//
// (C) 2003 Lluis Sanchez Gual
//
// Copyright (C) 2004 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.Reflection;
using System.Runtime.Serialization;
namespace System
{
[Serializable]
internal class UnitySerializationHolder : IObjectReference, ISerializable
{
string _data;
UnityType _unityType;
string _assemblyName;
// FIXME: there must be other types that use UnitySerializationHolder for
// serialization, but I don't know yet which ones.
enum UnityType: byte
{
DBNull = 2,
Type = 4,
Module = 5,
Assembly = 6
}
UnitySerializationHolder (SerializationInfo info, StreamingContext ctx)
{
_data = info.GetString ("Data");
_unityType = (UnityType) info.GetInt32 ("UnityType");
_assemblyName = info.GetString ("AssemblyName");
}
public static void GetTypeData (Type instance, SerializationInfo info, StreamingContext ctx)
{
info.AddValue ("Data", instance.FullName);
info.AddValue ("UnityType", (int) UnityType.Type);
info.AddValue ("AssemblyName", instance.Assembly.FullName);
info.SetType (typeof (UnitySerializationHolder));
}
public static void GetDBNullData (DBNull instance, SerializationInfo info, StreamingContext ctx)
{
info.AddValue ("Data", null);
info.AddValue ("UnityType", (int) UnityType.DBNull);
info.AddValue ("AssemblyName", instance.GetType().Assembly.FullName);
info.SetType (typeof (UnitySerializationHolder));
}
public static void GetAssemblyData (Assembly instance, SerializationInfo info, StreamingContext ctx)
{
info.AddValue ("Data", instance.FullName);
info.AddValue ("UnityType", (int) UnityType.Assembly);
info.AddValue ("AssemblyName", instance.FullName);
info.SetType (typeof (UnitySerializationHolder));
}
public static void GetModuleData (Module instance, SerializationInfo info, StreamingContext ctx)
{
info.AddValue ("Data", instance.ScopeName);
info.AddValue ("UnityType", (int) UnityType.Module);
info.AddValue ("AssemblyName", instance.Assembly.FullName);
info.SetType (typeof (UnitySerializationHolder));
}
public virtual void GetObjectData (SerializationInfo info, StreamingContext context)
{
// Not needed.
throw new NotSupportedException();
}
public virtual object GetRealObject (StreamingContext context)
{
switch (_unityType) {
case UnityType.Type: {
Assembly assembly = Assembly.Load (_assemblyName);
return assembly.GetType (_data);
}
case UnityType.DBNull:
return DBNull.Value;
case UnityType.Module: {
Assembly assembly = Assembly.Load (_assemblyName);
return assembly.GetModule (_data);
}
case UnityType.Assembly:
return Assembly.Load (_data);
default:
throw new NotSupportedException (Locale.GetText
("UnitySerializationHolder does not support this type."));
}
}
}
}
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