/// <summary>
/// Get an array's next key
/// </summary>
/// <param name="key"></param>
/// <param name="core"></param>
/// <returns></returns>
public static StackValue GetNextKey(StackValue key, RuntimeCore runtimeCore)
{
StackValue array;
int index;
if (!key.TryGetArrayKey(out array, out index))
{
return(StackValue.Null);
}
int nextIndex = Constants.kInvalidIndex;
if (array.IsString)
{
var str = runtimeCore.Heap.GetString(array);
if (str.Length > index + 1)
{
nextIndex = index + 1;
}
}
else
{
HeapElement he = GetHeapElement(array, runtimeCore);
if ((he.VisibleSize > index + 1) ||
(he.Dict != null && he.Dict.Count + he.VisibleSize > index + 1))
{
nextIndex = index + 1;
}
}
return(nextIndex == Constants.kInvalidIndex ? StackValue.Null : StackValue.BuildArrayKey(array, nextIndex));
}
/// <summary>
/// Get an array's next key
/// </summary>
/// <param name="key"></param>
/// <param name="core"></param>
/// <returns></returns>
public static StackValue GetNextKey(StackValue key, Core core)
{
StackValue array;
int index;
if (!key.TryGetArrayKey(out array, out index))
{
return(StackValue.Null);
}
HeapElement he = GetHeapElement(array, core);
if ((he.VisibleSize > index + 1) ||
(he.Dict != null && he.Dict.Count + he.VisibleSize > index + 1))
{
return(StackValue.BuildArrayKey(array, index + 1));
}
return(StackValue.Null);
}