void process_commands(std::string preface) {
for (;;) try {
std::string command = menu_prompt(preface);
if (command == "an") {
std::string n = ics::prompt_string(" Enter node name");
g.add_node(n);
}
else if (command == "ae") {
std::string o = ics::prompt_string(" Enter origin node name");
std::string d = ics::prompt_string(" Enter destination node name");
int v = ics::prompt_int (" Enter value for this edge ");
g.add_edge(o,d,v);
}
else if (command == "rn") {
std::string n = ics::prompt_string(" Enter node name");
g.remove_node(n);
}
else if (command == "re") {
std::string o = ics::prompt_string(" Enter origin node name");
std::string d = ics::prompt_string(" Enter destination node name");
g.remove_edge(o,d);
}
else if (command == "x")
g.clear();
else if (command == "=") {
ics::HashGraph<int> g2(ics::prompt_graph());
g = g2;
}
else if (command == "m")
std::cout << " empty() = " << g.empty() << std::endl;
else if (command == "#n")
std::cout << " node_count() = " << g.node_count() << std::endl;
else if (command == "#e")
std::cout << " edge_count() = " << g.edge_count() << std::endl;
else if (command == "n") {
std::string n = ics::prompt_string(" Enter node name");
std::cout << " has_node(...) = " << g.has_node(n) << std::endl;
}
else if (command == "e") {
std::string o = ics::prompt_string(" Enter origin node name");
std::string d = ics::prompt_string(" Enter destination node name");
std::cout << " has_edge(...) = " << g.has_edge(o,d) << std::endl;
}
else if (command == "v") {
std::string o = ics::prompt_string(" Enter origin node name");
std::string d = ics::prompt_string(" Enter destination node name");
std::cout << " edge_value(...) = " << g.edge_value(o,d) << std::endl;
}
else if (command == "i") {
std::string n = ics::prompt_string(" Enter node name");
std::cout << " in_degree(...) = " << g.in_degree(n) << std::endl;
}
else if (command == "o") {
std::string n = ics::prompt_string(" Enter node name");
std::cout << " out_degree(...) = " << g.out_degree(n) << std::endl;
}
else if (command == "d") {
std::string n = ics::prompt_string(" Enter node name");
std::cout << " degree(...) = " << g.degree(n) << std::endl;
}
else if (command == "<")
std::cout << preface+" << = " << g << std::endl;
else if (command == "r") {
std::cout << " g == g = " << (g == g) << std::endl;
std::cout << " g != g = " << (g != g) << std::endl;
ics::HashGraph<int> g2(ics::prompt_graph());
std::cout << " g == g2 = " << (g == g2) << std::endl;
std::cout << " g != g2 = " << (g != g2) << std::endl;
}
else if (command == "l") {
std::string separator = prompt_string(" Enter separator used in file");
std::ifstream in_file;
ics::safe_open(in_file," Enter file name to read graph from","graph.txt");
g.load(in_file,separator);
}
else if (command == "s") {
std::string separator = prompt_string(" Enter separator to use in file");
std::ofstream out_file;
out_file.open(ics::prompt_string(" Enter file name to store graph in").c_str());
if (out_file.fail())
std::cout << " Illegal file name" << std :: endl;
else
g.store(out_file,separator);
}
else if (command == "q")
break;
else
std::cout << preface+"\""+command+"\" is unknown command" << std::endl;
} catch (ics::IcsError& e) {
std::cout << preface+" " << e.what() << std::endl;
}
}
