protected void Add(int index, IonValueLite item)
{
if (index < 0 || index > ChildCount)
{
throw new IndexOutOfRangeException();
}
CheckLocked();
ValidateNewChild(item);
AddChild(index, item);
PatchElement(index + 1);
}
private static void ValidateNewChild(IonValueLite child)
{
if (child.Container != null)
{
throw new ContainedValueException();
}
if (child.ReadOnly)
{
throw new ReadOnlyException();
}
if (child is IIonDatagram)
{
throw new InvalidOperationException("IonDatagram can not be inserted into another IonContainer.");
}
}
protected int AddChild(int index, IonValueLite child)
{
IsNullValue(false);
child.SetContext(this);
if (Children == null || ChildCount >= Children.Length)
{
var oldLength = Children?.Length ?? 0;
var newLength = NextSize(oldLength, true);
Array.Resize(ref Children, newLength);
}
if (index < ChildCount)
{
Array.Copy(Children, index, Children, index + 1, ChildCount - index);
}
ChildCount++;
Children[index] = child;
child.SetElementId(index);
return(index);
}
