GiSTnode*
GiST::ReadNode (const GiSTpath& path) const
{
char *buf = new char[store->PageSize()];
GiSTnode *node = NewNode((GiST *)this);
store->Read(path.Page(), buf); // do the deed
node->Unpack(buf);
#ifdef PRINTING_OBJECTS
if (debug) {
cout << "READ PAGE " << path.Page() << ":\n";
node->Print(cout);
}
#endif
node->Path() = path;
delete []buf;
return node;
}
void
GiST::DumpNode (ostream& os, GiSTpath path) const
{
GiSTnode *node = ReadNode(path);
node->Print(os);
if (!node->IsLeaf()) {
TruePredicate truePredicate;
GiSTlist<GiSTentry*> list = node->Search(truePredicate);
while (!list.IsEmpty()) {
GiSTentry *e = list.RemoveFront();
path.MakeChild(e->Ptr());
DumpNode (os, path);
path.MakeParent();
delete e;
}
}
delete node;
}