void Graph::build_dfs(int index_node){
dfs_visit(index_node);
for(auto n:list_graph){
if(n.second.color==white){
dfs_visit(n.first);
}
}
print_dfs();
}
int main(int argc, char** argv) {
// parse command line options
Options options = get_options(argc, argv);
// build graph from data file
Graph* graph = read_graph(options.filename);
// validate vertex ids now that we know graph size
validate_vertex_ids(options, graph->n);
// branch to relevant function depending on execution mode
switch (options.part) {
case PRINT_DFS:
print_dfs(graph, options.source);
break;
case PRINT_BFS:
print_bfs(graph, options.source);
break;
case DETAILED_PATH:
detailed_path(graph, options.source, options.dest);
break;
case ALL_PATHS:
all_paths(graph, options.source, options.dest);
break;
case SHORTEST_PATH:
shortest_path(graph, options.source, options.dest);
break;
}
// clean up
free_graph(graph);
// done!
exit(EXIT_SUCCESS);
}
static int judge_backwards(struct gspan *gs, GList *right_most_path, GList *projection,
GHashTable *pm_backwards)
{
GList *l1, *l2, *l3, *values = NULL;
int i;
int rmp0;
rmp0 = GPOINTER_TO_INT(g_list_nth_data(right_most_path, 0));
for (i=g_list_length(right_most_path)-2,l1=g_list_last(right_most_path);
i >= 0; i--, l1 = g_list_previous(l1)) {
int rmp = GPOINTER_TO_INT(l1->data);
int rmpi = GPOINTER_TO_INT(g_list_nth_data(right_most_path, i));
for(l2 = g_list_first(projection); l2; l2 = g_list_next(l2)) {
struct pre_dfs *p = (struct pre_dfs *)l2->data;
struct history *h;
struct edge *last_edge;
struct node *last_node, *to_node, *from_node;
struct edge *edge;
h = alloc_history();
build_history(h, p);
last_edge = (struct edge *)
g_list_nth_data(h->edges, rmp0);
last_node = graph_get_node(gs->min_graph,
last_edge->to);
edge = (struct edge *)
g_list_nth_data(h->edges, rmpi);
to_node = graph_get_node(gs->min_graph, edge->to);
from_node = graph_get_node(gs->min_graph, edge->from);
for (l3 = g_list_first(last_node->edges); l3;
l3 = g_list_next(l3)) {
struct edge *e = (struct edge *)l3->data;
if (g_list_find(h->has_edges,
GINT_TO_POINTER(e->id)))
continue;
if (!g_list_find(h->has_nodes,
GINT_TO_POINTER(e->to)))
continue;
if (e->to == edge->from &&
(e->label > edge->label ||
(e->label == edge->label &&
last_node->label >
to_node->label))) {
struct dfs_code *dfsc;
struct pre_dfs *npdfs;
int from_id;
int to_id;
from_id = ((struct dfs_code *)
g_list_nth_data(
gs->min_dfs_codes,
rmp0))->to;
to_id = ((struct dfs_code *)
g_list_nth_data(
gs->min_dfs_codes,
rmpi))->from;
#ifdef DEBUG
printf("!! %d %d %d ", i, rmp, rmpi);
print_dfs(g_list_nth_data(
gs->min_dfs_codes,
rmpi));
printf("\n");
print_id_list(right_most_path);
#endif
dfsc = malloc(sizeof(struct dfs_code));
if (!dfsc) {
perror("malloc dfsc in jb()");
exit(1);
}
dfsc->from = from_id;
dfsc->to = to_id;
dfsc->from_label = last_node->label;
dfsc->edge_label = e->label;
dfsc->to_label = from_node->label;
npdfs = malloc(sizeof(struct pre_dfs));
if (!npdfs) {
perror("malloc npdfs in jb()");
exit(1);
}
npdfs->id = 0;
npdfs->edge = e;
npdfs->prev = p;
if (g_hash_table_contains(pm_backwards,
dfsc))
values = g_hash_table_lookup(
pm_backwards,dfsc);
values = g_list_append(values, npdfs);
g_hash_table_insert(pm_backwards, dfsc,
values);
values = NULL;
}
}
free_history(h);
}
if (g_hash_table_size(pm_backwards) > 0)
return 1;
}
return 0;
}
