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#include <iostream>
#include <fstream>
#include <string>
#include <cstdlib>
using namespace std;
void openInputFile(ifstream& inFile) {
string filename;
cout << "What filename? ";
cin >> filename;
inFile.open(filename);
while (!inFile) {
cout << "File failed to open!" << endl;
cout << "What filename? ";
cin >> filename;
inFile.clear();
inFile.open(filename);
}
}
template <class T>
class LList; //just a pre-definition
template <class T>
class LListNode {
public:
T data;
LListNode<T>* next;
LListNode(T newdata=T(), LListNode* newNext = nullptr)
:data(newdata), next(newNext) {}
friend class LList<T>;
};
template <class T>
class LList {
LListNode<T>* head;
int numOfElements;
LListNode<T>* recursiveCopy(LListNode<T>* ptr);
public:
LList() { head = nullptr; numOfElements = 0; }
LList(const LList<T>& rhs) : head(nullptr), numOfElements(0) { *this = rhs; }
LList<T>& operator=(const LList<T>& rhs);
~LList() { clear(); }
bool isEmpty()const { return head == nullptr; }
void insertAtHead(T newItem);
T removeFromHead();
int size()const;
void clear();
void insertAtTail(T newItem);
void insertAfter(LListNode<T>* location, T newitem);
T removeFromTail();
};
template <class T>
LListNode<T>* LList<T>::recursiveCopy(LListNode<T>* ptr) {
if (ptr == nullptr)
return nullptr;
return new LListNode<T>(ptr->data, recursiveCopy(ptr->next));
}
template <class T>
LList<T>& LList<T>::operator=(const LList<T>& rhs) {
if (this == &rhs)
return *this;
clear();
head = recursiveCopy(rhs.head);
return *this;
}
template <class T>
T LList<T>::removeFromTail() {
if (isEmpty())//test for stupid user
return 0;
else if (head->next == nullptr) //only one node
return removeFromHead();
LListNode* temp = head;
for (; temp->next->next != nullptr; temp = temp->next);
//delete the node AFTER temp
LListNode<T>* toDelete = temp->next;
temp->next = nullptr;
T toReturn = toDelete->data;
delete toDelete;
numOfElements--;
return toReturn;
}
template <class T>
void LList<T>::insertAtTail(T newItem) {
if (isEmpty())
insertAtHead(newItem);
else {
LListNode<T>* temp = head;
for (; temp->next != nullptr; temp = temp->next); //find the last node!
insertAfter(temp, newItem); //insertAfter the last node
}
}
template <class T>
void LList<T>::insertAfter(LListNode<T>* location, T newItem) {
location->next = new LListNode<T>(newItem, location->next);
numOfElements++;
}
template <class T>
void LList<T>::clear() {
while (!isEmpty())
removeFromHead();
}
template <class T>
int LList<T>::size()const {
return numOfElements; //Constant time
template <class T>
T LList<T>::removeFromHead() {
if (isEmpty()) //Test for dumb user!
return T();
LListNode<T>* toDelete = head;
head = head->next;
T toReturn = toDelete->data;
delete toDelete;
numOfElements--;
return toReturn;
}
template <class T>
void LList<T>::insertAtHead(T newItem) {
head = new LListNode<T>(newItem, head);
numOfElements++;
}
class Employee {
public:
double wage(double hourlyRate, int hours_worked);
/*
Employee(int ID, double rate, string EmployeeName);
Employee(int ID, int hours_worked);
Employee();
int getIDnum() const;
int getnum_hours_worked()const;
double gethourlyRate() const;
string getname() const;
void setIDnum(int ID);
void setnum_hours_worked(int hours_worked);
void sethourlyRate(double rate);
void setname(string EmployeeName);
*/
string name;
double hourlyRate;
int IDnum, num_hours_worked;
};
double Employee::wage(double hourlyRate, int hours_worked) {
return (hourlyRate*double(hours_worked));
}
/*
Employee::Employee(int ID, double rate, string EmployeeName) {
setIDnum(ID);
sethourlyRate(rate);
setname(EmployeeName);
}
Employee::Employee(int ID, int hours_worked) {
setIDnum(ID);
setnum_hours_worked(hours_worked);
}
Employee::Employee(){
setIDnum(0);
setnum_hours_worked(0);
sethourlyRate(0);
setname(" ");
}
int Employee::getIDnum() const {
return IDnum;
}
int Employee::getnum_hours_worked() const {
return num_hours_worked;
}
double Employee::gethourlyRate() const {
return hourlyRate;
}
string Employee::getname() const {
return name;
}
void Employee::setIDnum(int ID) {
IDnum = ID;
}
void Employee::setnum_hours_worked(int hours_worked) {
num_hours_worked = hours_worked;
}
void Employee::sethourlyRate(double rate) {
hourlyRate = rate;
}
void Employee::setname(string EmployeeName) {
name = EmployeeName;
}
*/
int main() {
ifstream inFile1;
openInputFile(inFile1);
LList<Employee> EmployeeList;
Employee temp1;
while (inFile1 >> temp1.IDnum) {
inFile1 >> temp1.hourlyRate;
inFile1.ignore(1, ' ');
getline(inFile1, temp1.name);
EmployeeList.insertAtHead(temp1);
}
cout << temp1.IDnum << endl;
cout << temp1.hourlyRate << endl;
cout << temp1.name<< endl;
ifstream inFile2;
openInputFile(inFile2);
LList<Employee> PayrollList;
while (inFile2 >> temp1.IDnum>> temp1.num_hours_worked){
if (temp1.IDnum == temp1.IDnum) {
temp1.num_hours_worked += temp1.num_hours_worked;
}
PayrollList.insertAtHead(temp1);
}
cout << "*********Payroll Information********" << endl;
cout << temp1.name << ", " << temp1.wage(temp1.hourlyRate, temp1.num_hours_worked) << endl;
cout << "*********End payroll**************" << endl;
return 0;
}
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