internal static Type GetElementType(Type seqType)
{
Type ienumerable = TypeSystem.FindIEnumerable(seqType);
if (ienumerable == (Type)null)
{
return(seqType);
}
return(ienumerable.GetGenericArguments()[0]);
}
private static Type FindIEnumerable(Type seqType)
{
if (seqType == (Type)null || seqType == typeof(string) || seqType == typeof(byte[]))
{
return((Type)null);
}
if (seqType.IsArray)
{
return(typeof(IEnumerable <>).MakeGenericType(seqType.GetElementType()));
}
if (seqType.IsGenericType())
{
foreach (Type genericArgument in seqType.GetGenericArguments())
{
Type type = typeof(IEnumerable <>).MakeGenericType(genericArgument);
if (type.IsAssignableFrom(seqType))
{
return(type);
}
}
}
Type[] interfaces = seqType.GetInterfaces();
if (interfaces != null && interfaces.Length > 0)
{
foreach (Type seqType1 in interfaces)
{
Type ienumerable = TypeSystem.FindIEnumerable(seqType1);
if (ienumerable != (Type)null)
{
return(ienumerable);
}
}
}
if (seqType.BaseType() != (Type)null && seqType.BaseType() != typeof(object))
{
return(TypeSystem.FindIEnumerable(seqType.BaseType()));
}
return((Type)null);
}
internal static bool IsSequenceType(Type seqType)
{
return(TypeSystem.FindIEnumerable(seqType) != (Type)null);
}
