/// <summary>
/// Restarts intrinsic enumerator - moves it to the first item.
/// </summary>
/// <remarks>
/// If the intrinsic enumerator has never been used on this instance nothing happens.
/// </remarks>
public void RestartIntrinsicEnumerator()
{
if (_intrinsicEnumerator != null)
{
_intrinsicEnumerator.MoveFirst();
}
}
/// <summary>
/// Instantiate new PHP array's enumerator and advances its position to the first element.
/// </summary>
/// <returns><c>True</c> whether there is an first element.</returns>
void InitArrayIteratorHelper()
{
Debug.Assert(_array != null);
_arrayEnumerator = new OrderedDictionary.Enumerator(_array);
_isValid = _arrayEnumerator.MoveFirst();
}
public virtual void rewind()
{
if (isArrayIterator)
{
_isValid = _arrayEnumerator.MoveFirst();
}
else if (isObjectIterator)
{
// isValid set by InitObjectIteratorHelper()
InitObjectIteratorHelper(); // DObject enumerator does not support MoveFirst()
}
}
/// <summary>
/// Restarts intrinsic enumerator - moves it to the first item.
/// </summary>
/// <remarks>
/// If the intrinsic enumerator has never been used on this instance nothing happens.
/// </remarks>
public void RestartIntrinsicEnumerator()
{
_intrinsicEnumerator?.MoveFirst();
}