Question

Hello I have this error in the code, I do not know how to fix it. It is written in C++ using a Eclipse IDE

Error: libc++abi.dylib: terminating with uncaught exception of type std::out_of_range: basic_string

bus.h

===========

#pragma once
#include
using namespace std;

class Bus {
private:
   string BusId; // bus ID
   string Manufacturer; // manufacturer of the bus
   int BusCapacity; // bus capacity
   int Mileage; // mileage of bus
   char Status; // current status of the bus
public:
   Bus(string bus_id, string manufac, int cap, int mileage, char status); // constructor
   ~Bus(); // destructor
   // getter methods
   string getBusId(); // return bus id
   string getManufacturer(); // return manufacturer of the bus
   int getBusCapacity(); // return bus capacity
   int getMileage(); // return bus mileage
   char getStatus(); // return current status of bus
   // setter methods
   void setStatus(char s); // set the given status to the bus status
};

============

bus.cpp

============

#include "bus.h"

Bus::Bus(string bus_id, string manufac, int cap, int mileage, char status) {
   // initialize member variables
   BusId = bus_id;
   Manufacturer = manufac;
   BusCapacity = cap;
   Mileage = mileage;
   Status = status;
}

Bus::~Bus() {
   // delete bus object
}

string Bus::getBusId() {
   return BusId;
}

string Bus::getManufacturer() {
   return Manufacturer;
}

int Bus::getBusCapacity() {
   return BusCapacity;
}

int Bus::getMileage() {
   return Mileage;
}

char Bus::getStatus() {
   return Status;
}

void Bus::setStatus(char s) {
   Status = s;
}

================

functions.h

================

#pragma once
#include "bus.h"
#include

// print column header
void displayCH();

// print bus data
void printId(string id);
void printMfc(string mfc);
void printCap(int cap);
void printMileage(int mileage);
void printStatus(char s);
void printEndl();

=============

functions.cpp

=============

#include "functions.h"

void displayCH() {
   cout << "=================================================================" << endl;
   cout << setw(10) << left << "Bus ID";
   cout << setw(20) << left << "Bus Manufacturer";
   cout << setw(10) << right << "Bus Capacity";
   cout << setw(10) << right << "Mileage";
   cout << setw(10) << right << "Status" << endl;
   cout << "=================================================================" << endl;
}

void printId(string id) {
   cout << setw(10) << left << id;
}

void printMfc(string mfc) {
   cout << setw(20) << left << mfc;
}

void printCap(int cap) {
   cout << setw(10) << right << cap;
}

void printMileage(int mileage) {
   cout << setw(10) << right << mileage;
}

void printStatus(char s) {
   cout << setw(10) << right << s << endl;
}

void printEndl() {
   cout << "---end of list---" << endl;
}

===========

main.cpp

===========

#include "functions.h"
#include
#include
#include

int main() {
   vector buses; // stores a list of buses created
   // read input record
   // create file stream object to read data
   ifstream file("input.txt");
   string line; // stores input record for a bus
   while (!file.eof()) {
       getline(file, line); // read input line by line
       // first 5 character in record are bus id
       string id = line.substr(0, 5);
       // remove id from line
       line = line.substr(5);
       // last charater in record is status
       char status = line.at(line.length() - 1);
       // remove last charater from line
       line = line.substr(0,line.length()-1);
       // now last 7 digit are mileage of bus
       string miles = line.substr(line.length() - 7);
       // remove last 7 character from line
       line = line.substr(0, line.length() - 7);
       // convert string to int
       int mileage = stoi(miles);
       // now last 3 digit in the line are bus capacity
       int cap = stoi(line.substr(line.length() - 3));
       // remove last 3 character from line
       line = line.substr(0, line.length() - 3);
       // remainig data in line is manufaturer
       // create a bus object
       Bus b(id,line,cap,mileage,status);
       // add bus to the list
       buses.push_back(b);
   }// end of while loop
   // close file stream as done reading data
   file.close();

   // get user input
   string input = ""; // stores user input
   while (input != "X") {
       // promt user for input
       cout << "Enter transaction code (D=display, L=list a bus, C=change, X=exit)" << endl;
       getline(cin, input); // get input from user
       // read input
       if (input.substr(0,1) == "D") {
           //display all bus object
           displayCH();
           for (int i = 0; i < buses.size(); i++) {
               printId(buses.at(i).getBusId()); // print bus id
               printMfc(buses.at(i).getManufacturer()); // print bus manufacturer
               printCap(buses.at(i).getBusCapacity()); // print bus capacity
               printMileage(buses.at(i).getMileage()); // print bus mileage
               printStatus(buses.at(i).getStatus()); // print current status of the bus
           }
           printEndl();
       }
       // check if input is exit
       else if (input.substr(0, 1) == "X") {
           // break the loop
           break;
       }
       // check if input is list
       else if (input.substr(0, 1) == "L") {
           // check for bus id
           string id = input.substr(2);
           // create a flag to indicate if bus found
           bool found = false;
           for (int i = 0; i < buses.size(); i++) {
               if (buses.at(i).getBusId().compare(id) == 0) {
                   // print header
                   displayCH();
                   // print bus data
                   printId(buses.at(i).getBusId()); // print bus id
                   printMfc(buses.at(i).getManufacturer()); // print bus manufacturer
                   printCap(buses.at(i).getBusCapacity()); // print bus capacity
                   printMileage(buses.at(i).getMileage()); // print bus mileage
                   printStatus(buses.at(i).getStatus()); // print current status of the bus
                   printEndl(); // print end line
                   // set flag to true
                   found = true;
               }
           }// checked all buses data
           if (!found) {
               // print error
               cout << "Not found" << endl;
           }
       }
       // check if input is change
       else if (input.substr(0, 1) == "C") {
           // check for bus id
           string id = input.substr(2,5);
           // create a flag to indicate if bus found
           bool found = false;
           for (int i = 0; i < buses.size(); i++) {
               if (buses.at(i).getBusId().compare(id) == 0) {
                   // get current status of bus
                   char status = input.at(8);
                   // change status of bus
                   buses.at(i).setStatus(status);
                   // print message of change done
                   cout << "Change successful" << endl;
                   // set flag to true
                   found = true;
               }
           }// checked all buses data
           if (!found) {
               // print error
               cout << "Not found" << endl;
           }
       }
       else {
           // print error in input
           cout << "Invalid Input!" << endl;
       }
   }
   // print goodbuy message
   cout << "Thank you and have a nice day!" << endl;

   return 0;
}

==========

input.txt

==========

A1234Gillig 0750001000a
B2345Flxible 1100011235a
C3456Daimler 0350002500a
D4567MAN 0900125000a
E5678General Mo1400150000a
F6789Gillig 0480002000r
G7890Gillig 0480003000m
H8901Flxible 1100012330m
I9012Flxible 1090015500a
J0123Daimler 0350002750r

Answer 1

Only need change in main part.

Input the data as per the output screen given.

#include "functions.cpp"
//#include "bus.cpp"
#include <iostream>
#include <fstream>
#include <sstream>
#include <string>
#include <vector>
using namespace std;

int main() {
vector <Bus>buses; // stores a list of buses created
int mileage;
int cap;
// read input record
// create file stream object to read data
ifstream file("input.txt");
string line; // stores input record for a bus
while (!file.eof()) {
getline(file, line); // read input line by line
// first 5 character in record are bus id
string id = line.substr(0, 5);
// remove id from line
line = line.substr(5);
// last charater in record is status
char status = line.at(line.length() - 1);
// remove last charater from line
line = line.substr(0,line.length()-1);
// now last 7 digit are mileage of bus
string miles = line.substr(line.length() - 7);
// remove last 7 character from line
line = line.substr(0, line.length() - 7);
// object from the class stringstream
stringstream convert(miles);
// convert string to int
convert>>mileage;
// now last 3 digit in the line are bus capacity
stringstream convertDigit(line.substr(line.length() - 3));
convertDigit>>cap;
//stoi();
// remove last 3 character from line
line = line.substr(0, line.length() - 3);
// remainig data in line is manufaturer
// create a bus object
Bus b(id,line,cap,mileage,status);
// add bus to the list
buses.push_back(b);
}// end of while loop
// close file stream as done reading data
file.close();

// get user input
string input = ""; // stores user input
while (input != "X") {
// promt user for input
cout << "Enter transaction code \n D = display \n L = list a bus (Example: L A1234) \
\n C = change (Example: C A1234 a) \n X = exit" << endl;
getline(cin, input); // get input from user
// read input
if (input.substr(0,1) == "D") {
//display all bus object
displayCH();
for (int i = 0; i < buses.size(); i++) {
printId(buses.at(i).getBusId()); // print bus id
printMfc(buses.at(i).getManufacturer()); // print bus manufacturer
printCap(buses.at(i).getBusCapacity()); // print bus capacity
printMileage(buses.at(i).getMileage()); // print bus mileage
printStatus(buses.at(i).getStatus()); // print current status of the bus
}
printEndl();
}
// check if input is exit
else if (input.substr(0, 1) == "X") {
// break the loop
break;
}
// check if input is list
else if (input.substr(0, 1) == "L") {
// check for bus id
string id = input.substr(2);

// create a flag to indicate if bus found
bool found = false;
for (int i = 0; i < buses.size(); i++) {
if (buses.at(i).getBusId().compare(id) == 0) {
// print header
displayCH();
// print bus data
printId(buses.at(i).getBusId()); // print bus id
printMfc(buses.at(i).getManufacturer()); // print bus manufacturer
printCap(buses.at(i).getBusCapacity()); // print bus capacity
printMileage(buses.at(i).getMileage()); // print bus mileage
printStatus(buses.at(i).getStatus()); // print current status of the bus
printEndl(); // print end line
// set flag to true
found = true;
}
}// checked all buses data
if (!found) {
// print error
cout << "Not found" << endl;
}
}
// check if input is change
else if (input.substr(0, 1) == "C")
{
// check for bus id
string id = input.substr(2, 5);

// create a flag to indicate if bus found
bool found = false;
for (int i = 0; i < buses.size(); i++) {
if (buses.at(i).getBusId().compare(id) == 0) {
// get current status of bus
char status = input.at(8);
// change status of bus
buses.at(i).setStatus(status);
// print message of change done
cout << "Change successful" << endl;
// set flag to true
found = true;
}
}// checked all buses data
if (!found) {
// print error
cout << "Not found" << endl;
}
}
else {
// print error in input
cout << "Invalid Input!" << endl;
}
}
// print goodbuy message
cout << "Thank you and have a nice day!" << endl;

return 0;
}

Sample Output:

Enter transaction code
D = display
L = list a bus (Example: L A1234)
C = change (Example: C A1234 a)
X = exit
D
=================================================================
Bus ID Bus Manufacturer Bus Capacity Mileage Status
=================================================================
A1234 Gillig 75 1000 a
B2345 Flxible 110 11235 a
C3456 Daimler 35 2500 a
D4567 MAN 90 125000 a
E5678 General Mo 140 150000 a
F6789 Gillig 48 2000 r
G7890 Gillig 48 3000 m
H8901 Flxible 110 12330 m
I9012 Flxible 109 15500 a
J0123 Daimler 35 2750 r
---end of list---
Enter transaction code
D = display
L = list a bus (Example: L A1234)
C = change (Example: C A1234 a)
X = exit
L D4567
=================================================================
Bus ID Bus Manufacturer Bus Capacity Mileage Status
=================================================================
D4567 MAN 90 125000 a
---end of list---
Enter transaction code
D = display
L = list a bus (Example: L A1234)
C = change (Example: C A1234 a)
X = exit
C J0123 m
Change successful
Enter transaction code
D = display
L = list a bus (Example: L A1234)
C = change (Example: C A1234 a)
X = exit
D
=================================================================
Bus ID Bus Manufacturer Bus Capacity Mileage Status
=================================================================
A1234 Gillig 75 1000 a
B2345 Flxible 110 11235 a
C3456 Daimler 35 2500 a
D4567 MAN 90 125000 a
E5678 General Mo 140 150000 a
F6789 Gillig 48 2000 r
G7890 Gillig 48 3000 m
H8901 Flxible 110 12330 m
I9012 Flxible 109 15500 a
J0123 Daimler 35 2750 m
---end of list---
Enter transaction code
D = display
L = list a bus (Example: L A1234)
C = change (Example: C A1234 a)
X = exit
X
Thank you and have a nice day!