/*----------------------------------------------------------------------
* Destroy an element from the hash map.
* Both stored element and key are destroyed.
-----------------------------------------------------------------------*/
void HashMap_DestroyElement(HashMap map, HashMapKey key)
{
HashMapKeyNode keynode = HashMap_GetHashMapKeyNode(map, key, FALSE);
if (keynode!=NULL)
{
HashMapNode node = (HashMapNode)keynode->first;
while (node != NULL)
{
if (map->compare(key, node->key)==0)
{
if (node->key)
map->destroyKey(node->key);
DLList_DestroyElement((DLList)keynode, (DLListNode) node);
return;
}
node = node->next;
}
}
}
/*----------------------------------------------------------------------
* Remove an element from the hash map and return it.
* The stored key is destroyed from the map.
-----------------------------------------------------------------------*/
ContainerElement HashMap_Remove(HashMap map, HashMapKey key)
{
HashMapKeyNode keynode = HashMap_GetHashMapKeyNode(map, key, FALSE);
if (keynode != NULL)
{
HashMapNode node = (HashMapNode)keynode->first;
while (node != NULL)
{
if (map->compare(key, node->key)==0)
{
if (node->key)
map->destroyKey(node->key);
return DLList_RemoveElement((DLList)keynode, (DLListNode) node);
}
node = node->next;
}
}
return NULL;
}
