bool cGraphMaster::getMatch(InputIterator input, NodeType curr_type, const NodeVec& tree, MatcherStruct& ms, unsigned long rec) {
// save head of input and advance iterator
string input_front = *input;
input++;
//cout<<"tree.front().key="<<tree.front().key<<endl;
_DBG_CODE(msg_dbg() << "[" << rec << "]getMatch(" << curr_type << ") HEAD: [" << input_front << "] last input?:" << boolalpha << input.isDone() << endl);
/** FIRST WILDCARD: try to match the '_' wildcard **/
if (tree.front().key == "_") {
_DBG_CODE(msg_dbg() << "[" << rec << "]" << "Looking in '_'" << endl);
if (getMatchWildcard(input, curr_type, tree.front(), ms, rec, input_front)) { if (ms.log) ms.logMatch("_", curr_type); return true; }
}
/** KEYS: if wildcard didn't matched, look for specific matching keys against current input_front **/
_DBG_CODE(msg_dbg() << "[" << rec << "]" << "KEYS" << endl);
Node tmp_node;
tmp_node.key = input_front;
NodeVec::const_iterator it = lower_bound(tree.begin(), tree.end(), tmp_node);
// if there was a match
if (it != tree.end() && it->key == input_front) {
// if there are more tokens on input
if (!input.isDone()) {
// if I have something to match with, then look for a match
if (!it->same_childs.empty()) {
if (getMatch(input, curr_type, it->same_childs, ms, rec+1)) { if (ms.log) ms.logMatch(it->key, curr_type); return true; }
}
}
// else, this is the last token
else {
// get the the next type of nodes to match if necessary
list<string> match_list;
if (curr_type != NODE_TOPIC && !it->diff_childs.empty()) ms.user.getMatchList(NodeType(curr_type+1), match_list);
// if in previous situation check if there's a match deeper
if (curr_type != NODE_TOPIC && !it->diff_childs.empty() &&
getMatch(match_list, nextNodeType(curr_type), it->diff_childs, ms, rec+1))
{
if (ms.log) ms.logMatch(it->key, curr_type); return true;
}
// if I'm in the final type of nodes, it needs to be a leaf to have a match
else if (curr_type == NODE_TOPIC && !it->templ.empty()) {
ms.templ = it->templ;
if (ms.log) ms.logMatch(it->key, curr_type);
return true;
}
}
}
/** LAST WILDCARD: if above didn't matched repeat procedure for '_' **/
if (tree.back().key == "*") {
_DBG_CODE(msg_dbg() << "[" << rec << "]" << "Looking in '*'" << endl);
if (getMatchWildcard(input, curr_type, tree.back(), ms, rec, input_front)) { if (ms.log) ms.logMatch("*", curr_type); return true; }
}
return false;
}
/*
* DeleteCFG()
* Remove one CFG.
*/
void DeleteCFG(GraphNode *Root)
{
NodeVec VisitStack;
NodeSet Visited;
VisitStack.push_back(Root);
while(VisitStack.size())
{
GraphNode *Parent = VisitStack.back();
VisitStack.pop_back();
if (Visited.count(Parent))
continue;
Visited.insert(Parent);
NodeVec &Child = Parent->getSuccessor();
for (int i = 0, e = Child.size(); i < e; i++)
VisitStack.push_back(Child[i]);
}
for (NodeSet::iterator I = Visited.begin(), E = Visited.end(); I != E; I++)
delete *I;
}
