public void SetByKey(object key, object value)
{
key = FixKey(key);
/*
* Update heap use throwing an exception on failure
* before making any changes to the array.
*/
int keysize = HeapTrackerObject.Size(key);
int newheapuse = heapUse;
object oldval;
if (dnary.TryGetValue(key, out oldval))
{
newheapuse -= keysize + HeapTrackerObject.Size(oldval);
}
if (value != null)
{
newheapuse += keysize + HeapTrackerObject.Size(value);
}
heapUse = inst.UpdateHeapUse(heapUse, newheapuse);
/*
* Save new value in array, replacing one of same key if there.
* null means remove the value, ie, script did array[key] = undef.
*/
if (value != null)
{
dnary[key] = value;
}
else
{
dnary.Remove(key);
/*
* Shrink the enumeration array, but always leave at least one element.
*/
if ((array != null) && (dnary.Count < array.Length / 2))
{
Array.Resize <KeyValuePair <object, object> > (ref array, array.Length / 2);
}
}
/*
* The enumeration array is invalid because the dictionary has been modified.
* Next time a ForEach() call happens, it will repopulate 'array' as elements are retrieved.
*/
arrayValid = 0;
}
public XMR_Array(XMRInstAbstract inst)
{
this.inst = inst;
dnary = new SortedDictionary <object, object>(XMRArrayKeyComparer.singleton);
heapUse = inst.UpdateHeapUse(0, EMPTYHEAP);
}