public virtual long count()
{
if (isArrayIterator)
{
return(_array.Count);
}
else if (isObjectIterator)
{
return(TypeMembersUtils.FieldsCount(_dobj));
}
return(0);
}
/// <summary>
/// Compares two class instances.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="comparer">The comparer.</param>
/// <param name="incomparable">
/// Whether objects are incomparable while no difference is found before both objects enter an infinite recursion, returns zero.
/// </param>
static int CompareObjects(object x, object y, PhpComparer comparer, out bool incomparable)
{
Debug.Assert(x != null && y != null);
incomparable = false;
// check for same instance
if (ReferenceEquals(x, y))
{
return(0);
}
// check for different types
var type_x = x.GetType().GetTypeInfo();
var type_y = y.GetType().GetTypeInfo();
if (type_x != type_y)
{
if (type_x.IsSubclassOf(type_y.AsType()))
{
return(-1);
}
if (type_y.IsSubclassOf(type_x.AsType()))
{
return(1);
}
incomparable = true;
return(1); // they really are incomparable
}
// check for different number of fields
int result = TypeMembersUtils.FieldsCount(x) - TypeMembersUtils.FieldsCount(y);
if (result != 0)
{
return(result);
}
throw new NotImplementedException();
}