inline void populate_connected_component
(connectivity_database& connectivity, std::vector<polygon>& polygons,
std::vector<int> polygon_color, std::vector<std::set<int> >& graph,
std::size_t node_id, std::size_t polygon_id_offset, std::string& net,
std::vector<std::string>& net_ids, std::string net_prefix,
std::string& layout_layer) {
if(polygon_color[node_id] == 1)
return;
polygon_color[node_id] = 1;
if(node_id < polygon_id_offset && net_ids[node_id] != net) {
//merge nets in connectivity database
//if one of the nets is internal net merge it into the other
std::string net1 = net_ids[node_id];
std::string net2 = net;
if(net.compare(0, net_prefix.length(), net_prefix) == 0) {
net = net1;
std::swap(net1, net2);
} else {
net_ids[node_id] = net;
}
connectivity_database::iterator itr = connectivity.find(net1);
if(itr != connectivity.end()) {
for(layout_database::iterator itr2 = (*itr).second.begin();
itr2 != (*itr).second.end(); ++itr2) {
connectivity[net2][(*itr2).first].insert((*itr2).second);
}
connectivity.erase(itr);
}
}
if(node_id >= polygon_id_offset)
connectivity[net][layout_layer].insert(polygons[node_id - polygon_id_offset]);
for(std::set<int>::iterator itr = graph[node_id].begin();
itr != graph[node_id].end(); ++itr) {
populate_connected_component(connectivity, polygons, polygon_color, graph,
*itr, polygon_id_offset, net, net_ids, net_prefix, layout_layer);
}
}
