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// 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.
/*============================================================
**
**
**
** Purpose: Provides some static methods to aid with the implementation
** of a Formatter for Serialization.
**
**
============================================================*/
using System;
using System.Reflection;
using System.Collections;
using System.Collections.Generic;
using System.Security;
using System.Runtime.Remoting;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
using System.Threading;
using System.IO;
using System.Text;
using System.Globalization;
using System.Diagnostics;
using System.Diagnostics.Contracts;
namespace System.Runtime.Serialization
{
// This class duplicates a class on CoreFX. We are keeping it here -- just this one method --
// as it was widely invoked by reflection to workaround it being missing in .NET Core 1.0
internal static class FormatterServices
{
// Gets a new instance of the object. The entire object is initalized to 0 and no
// constructors have been run. **THIS MEANS THAT THE OBJECT MAY NOT BE IN A STATE
// CONSISTENT WITH ITS INTERNAL REQUIREMENTS** This method should only be used for
// deserialization when the user intends to immediately populate all fields. This method
// will not create an unitialized string because it is non-sensical to create an empty
// instance of an immutable type.
//
public static Object GetUninitializedObject(Type type)
{
if ((object)type == null)
{
throw new ArgumentNullException(nameof(type));
}
Contract.EndContractBlock();
if (!(type is RuntimeType))
{
throw new SerializationException(SR.Format(SR.Serialization_InvalidType, type.ToString()));
}
return nativeGetUninitializedObject((RuntimeType)type);
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private static extern Object nativeGetUninitializedObject(RuntimeType type);
}
}
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