/// <summary>
/// Creates an n-dimensional array from an ArrayList of ArrayLists or
/// a 1-dimensional array from something else.
/// </summary>
/// <param name="list"><see cref="ArrayList"/> to convert</param>
/// <returns><see cref="Array"/> produced.</returns>
private static Array ToArray(ArrayList list, Type elementType)
{
//First we need to work out how many dimensions we're dealing with and what size each one is.
//We examine the arraylist we were passed for it's count. Then we recursively do that to
//it's first item until we hit an item that isn't an ArrayList.
//We then find out the type of that item.
List <int> dimensions = new List <int>();
object item = list;
for (ArrayList itemAsList = item as ArrayList; item is ArrayList; itemAsList = (item = itemAsList[0]) as ArrayList)
{
if (itemAsList != null)
{
int dimension = itemAsList.Count;
if (dimension == 0)
{
return(Array.CreateInstance(elementType, 0));
}
dimensions.Add(dimension);
}
}
if (dimensions.Count == 1) //1-dimension array so we can just use ArrayList.ToArray()
{
return(list.ToArray(elementType));
}
//Get an IntSetIterator to hold the position we're setting.
IntSetIterator isi = new IntSetIterator(dimensions);
//Create our array.
Array ret = Array.CreateInstance(elementType, isi.Bounds);
//Get each item and put it in the array at the appropriate place.
foreach (object val in RecursiveArrayListEnumeration(list))
{
ret.SetValue(val, ++isi);
}
return(ret);
}
/// <summary>
/// Creates an n-dimensional array from an ArrayList of ArrayLists or
/// a 1-dimensional array from something else.
/// </summary>
/// <param name="list"><see cref="ArrayList"/> to convert</param>
/// <param name="elementType">Type of the elements in the list</param>
/// <returns><see cref="Array"/> produced.</returns>
private static Array ToArray(ArrayList list, Type elementType)
{
//First we need to work out how many dimensions we're dealing with and what size each one is.
//We examine the arraylist we were passed for it's count. Then we recursively do that to
//it's first item until we hit an item that isn't an ArrayList.
//We then find out the type of that item.
List<int> dimensions = new List<int>();
object item = list;
for (ArrayList itemAsList = item as ArrayList; item is ArrayList; itemAsList = (item = itemAsList[0]) as ArrayList)
{
if (itemAsList != null)
{
int dimension = itemAsList.Count;
if (dimension == 0)
{
return Array.CreateInstance(elementType, 0);
}
dimensions.Add(dimension);
}
}
if (dimensions.Count == 1) //1-dimension array so we can just use ArrayList.ToArray()
{
return list.ToArray(elementType);
}
//Get an IntSetIterator to hold the position we're setting.
IntSetIterator isi = new IntSetIterator(dimensions);
//Create our array.
Array ret = Array.CreateInstance(elementType, isi.Bounds);
//Get each item and put it in the array at the appropriate place.
foreach (object val in RecursiveArrayListEnumeration(list))
{
ret.SetValue(val, ++isi);
}
return ret;
}