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using System;
using System.Runtime.Serialization;
namespace UnitTestProject.RefVm
{
// Token: 0x02000045 RID: 69
internal static class VariantFactory // \u0008\u2002
{
// Token: 0x060002F6 RID: 758 RVA: 0x000144E0 File Offset: 0x000126E0
private static bool IsDerivedFrom<T>(Type obj) // \u0002
{
var typeFromHandle = typeof(T);
return obj == typeFromHandle || obj.IsSubclassOf(typeFromHandle);
}
// Token: 0x060002F7 RID: 759 RVA: 0x00014508 File Offset: 0x00012708
public static VariantBase Convert(object src, Type t) // \u0002
{
var ret = src as VariantBase;
if (ret != null)
{
return ret;
}
if (t == null)
{
if (src == null)
{
return new ObjectVariant();
}
t = src.GetType();
}
t = ElementedTypeHelper.TryGoToPointerOrReferenceElementType(t);
if (t == SimpleTypeHelper.ObjectType)
{
ret = new ObjectVariant();
if (src != null && src.GetType() != SimpleTypeHelper.ObjectType)
{
ret.SetVariantType(src.GetType());
}
}
else if (IsDerivedFrom<Array>(t))
{
ret = new ArrayVariant();
}
else if (IsDerivedFrom<string>(t))
{
ret = new StringVariant();
}
else if (IsDerivedFrom<IntPtr>(t))
{
ret = new IntPtrVariant();
}
else if (IsDerivedFrom<UIntPtr>(t))
{
ret = new UIntPtrVariant();
}
else if (IsDerivedFrom<ulong>(t))
{
ret = new UlongVariant();
}
else if (IsDerivedFrom<uint>(t))
{
ret = new UintVariant();
}
else if (IsDerivedFrom<ushort>(t))
{
ret = new UshortVariant();
}
else if (IsDerivedFrom<long>(t))
{
ret = new LongVariant();
}
else if (IsDerivedFrom<int>(t))
{
ret = new IntVariant();
}
else if (IsDerivedFrom<short>(t))
{
ret = new ShortVariant();
}
else if (IsDerivedFrom<byte>(t))
{
ret = new ByteVariant();
}
else if (IsDerivedFrom<sbyte>(t))
{
ret = new SbyteVariant();
}
else if (IsDerivedFrom<double>(t))
{
ret = new DoubleVariant();
}
else if (IsDerivedFrom<float>(t))
{
ret = new FloatVariant();
}
else if (IsDerivedFrom<bool>(t))
{
ret = new BoolVariant();
}
else if (IsDerivedFrom<char>(t))
{
ret = new CharVariant();
}
else if (SimpleTypeHelper.IsNullableGeneric(t))
{
var ov = new ObjectVariant();
ov.SetVariantType(t);
ret = ov;
}
else
{
if (IsDerivedFrom<Enum>(t))
{
Enum e;
if (src == null)
{
e = (Enum)Activator.CreateInstance(t);
}
else if (t == SimpleTypeHelper.EnumType && src is Enum)
{
e = (Enum)src;
}
else
{
e = (Enum)Enum.ToObject(t, src);
}
return new EnumVariant(e);
}
if (IsDerivedFrom<ValueType>(t))
{
if (src == null)
{
var vt = (t == SimpleTypeHelper.TypedReferenceType) ?
FormatterServices.GetSafeUninitializedObject(SimpleTypeHelper.TypedReferenceType) :
Activator.CreateInstance(t);
ret = new ValueTypeVariant(vt);
}
else
{
if (src.GetType() != t)
{
try
{
src = System.Convert.ChangeType(src, t);
}
catch
{
// ignored
}
}
ret = new ValueTypeVariant(src);
}
return ret;
}
ret = new ObjectVariant();
}
if (src != null)
{
ret.SetValueAbstract(src);
}
return ret;
}
}
}
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