void load(PriorityQueueType& q, std::string values) {
std::string* v = new std::string[values.size()];
for (unsigned i=0; i<values.size(); ++i)
v[i] = values[i];
for (unsigned i=0; i<values.size(); ++i)
q.enqueue(v[i]);
delete[] v;
}
void process_iterator_commands(PriorityQueueType& q, std::string preface) {
std::string allowable[] = {"<","e","*","+","i","c","*a","ea","f","q",""};
PriorityQueueType::Iterator i = q.begin();
for (;;)
try {
std::cout << "\n"+preface+"i = " << i.str() << std::endl;
std::string i_command = ics::prompt_string(preface+
"Enter iterator command(<[<]/e[rase]/*/+[+i]/i[++]/c[ommands]/*a[ll]/ea[ll]/f[or]/q[uit])","",allowable);
if (i_command == "<")
std::cout << preface+" << = " << i << std::endl;
else if (i_command == "e")
std::cout << preface+" erase = " << i.erase() << std::endl;
else if (i_command == "*")
std::cout << preface+" * = " << *i << std::endl;
else if (i_command == "+")
std::cout << preface+" ++i returned = " << ++i << std::endl;
else if (i_command == "i")
std::cout << preface+" i++ returned = " << i++ << std::endl;
else if (i_command == "c")
process_commands(preface);
else if (i_command == "*a") {
std::cout << preface+" initially i = " << i << std::endl;
for (; i != q.end(); ++i)
std::cout << preface+" *(all) = " << *i << std::endl;
std::cout << preface+" finally i = " << i << std::endl;
}
else if (i_command == "ea") {
std::cout << preface+" initially i = " << i << std::endl;
for (; i != q.end(); ++i)
std::cout << preface+" erase(all) = " << i.erase() << std::endl;
std::cout << preface+" finally i = " << i << std::endl;
}
else if (i_command == "f") {
for (auto v : q)
std::cout << preface+" *(all) = " << v << std::endl;
}
else if (i_command == "q")
break;
} catch (ics::IcsError& e) {
std::cout << preface+" " << e.what() << std::endl;
}
};
::testing::AssertionResult unload(PriorityQueueType& q, std::string values) {
std::string* v = new std::string[values.size()];
for (unsigned i=0; i<values.size(); ++i)
v[i] = values[i];
for (unsigned i=0; i<values.size(); ++i)
if (v[i] != q.dequeue())
return ::testing::AssertionFailure();
delete[] v;
return ::testing::AssertionSuccess();
}
std::string menu_prompt (std::string preface) {
std::cout << std::endl << std::endl << preface+"priority queue q = " << q.str() << std::endl;
std::cout << preface+"Mutators Accessors General" << std::endl;
std::cout << preface+" e - enqueue m - empty lf - load from file" << std::endl;
std::cout << preface+" E - enqueue_all s - size l{ - load from {}" << std::endl;
std::cout << preface+" d - dequeue p - peek it - iterator commands" << std::endl;
std::cout << preface+" x - clear < - << q - quit" << std::endl;
std::cout << preface+" = - = r - relations" << std::endl;
std::string allowable[] = {"e","E","d","x","=","m","s","p","<","r","lf","l{","it","q",""};
return ics::prompt_string("\n"+preface+"Enter queue command","",allowable);
}
void process_commands(std::string preface) {
for (;;) try {
std::string command = menu_prompt(preface);
if (command == "e") {
std::string e = ics::prompt_string(preface+" Enter element to add");
std::cout << preface+" enqueue = " << q.enqueue(e) << std::endl;
}
else if (command == "E") {
PriorityQueueType q2(prompt_queue(preface));
std::cout << " dequeue = " << q.enqueue_all(q2) << std::endl;;
}
else if (command == "d")
std::cout << preface+" dequeue = " << q.dequeue() << std::endl;
else if (command == "x")
q.clear();
else if (command == "=") {
PriorityQueueType q2(prompt_queue(preface));
q = q2;
std::cout << " s now = " << q << std::endl;
}
else if (command == "m")
std::cout << preface+" empty = " << q.empty();
else if (command == "s")
std::cout << preface+" size = " << q.size() << std::endl;
else if (command == "p") {
std::cout << preface+" peek = " << q.peek() << std::endl;
}
else if (command == "<")
std::cout << preface+" << = " << q << std::endl;
else if (command == "r") {
std::cout << preface+" q == q = " << (q == q) << std::endl;
std::cout << preface+" q != q = " << (q != q) << std::endl;
PriorityQueueType q2(prompt_queue(preface));
std::cout << preface+" q = " << q << " ?? q2 = " << q2 << std::endl;
std::cout << preface+" q == q2 = " << (q == q2) << std::endl;
std::cout << preface+" q != q2 = " << (q != q2) << std::endl;
}
else if (command == "lf") {
std::ifstream in_queue;
ics::safe_open(in_queue,preface+" Enter file name to read", "loadpq.txt");
std::string e;
while (getline(in_queue,e))
q.enqueue(e);
in_queue.close();
}
else if (command == "l{") {
q = PriorityQueueType({"c","b","d","e","a"});
}
else if (command == "it")
process_iterator_commands(q, "it: "+preface);
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;
}
};
