//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// TreeCache::CacheResize():
//
void
TreeCache::CacheResize (uint size)
{
// If cache size decreases, simply reset it
if (CacheSize > size) {
SetCacheSize(size);
return;
}
cachedTreeT* oldCache = Cache;
uint oldSize = CacheSize;
#ifdef WINCE
Cache = (cachedTreeT*) my_Tcl_Alloc( sizeof(cachedTreeT [size]));
#else
Cache = new cachedTreeT [size];
#endif
CacheSize = size;
// Clear all the filters and nodes so they dont contain garbage:
for (uint i=0; i < size; i++) {
cachedTreeT * ctree = &(Cache[i]);
ctree->cfilter = NULL;
for (uint count = 0; count < MAX_TREE_NODES; count++) {
initTreeNode (&(ctree->tree.node[count]));
}
}
// copy old data to new Cache
for (uint i=0; i < oldSize; i++) {
cachedTreeT * ctree = &(oldCache[i]);
Cache[i] = *ctree;
}
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// TreeCache::SetCacheSize():
//
void
TreeCache::SetCacheSize (uint size)
{
if (CacheSize > 0) { Delete(); }
#ifdef WINCE
Cache = (cachedTreeT*) my_Tcl_Alloc( sizeof(cachedTreeT [size]));
#else
Cache = new cachedTreeT [size];
#endif
CacheSize = size;
NumInUse = 0;
MostRecentIndex = 0;
// Clear all the filters and nodes so they dont contain garbage:
for (uint i=0; i < size; i++) {
cachedTreeT * ctree = &(Cache[i]);
ctree->cfilter = NULL;
for (uint count = 0; count < MAX_TREE_NODES; count++) {
initTreeNode (&(ctree->tree.node[count]));
}
}
}
treeNode_struct* createNode()
{
treeNode_struct* tn=(treeNode_struct*)malloc(sizeof(treeNode_struct));
initTreeNode(tn);
return tn;
}