hi, can someone correct this code for me. i will be very thnakful.
#include<iostream>
#include<string>
using namespace std;
template <class T>
class ListIterator;
template<class T>
class List
{
friend class ListIterator<T>; //declaration of <Template>class iterator
public:
List(int size);
~List(){ delete [] listArray; }
bool isFull() { return mSize == MaxSize; }
bool isEmpty() { return mSize == 0; }
int length() { return mSize; }
void insert(const T value);
bool remove(const T value);
void setData(int index, T value);
T getData(int index);
int search(T key);
List(const List & other);//copy constructor
const List& operator=(const List & rhs); //assignment operator
private:
bool removeAt(int index);
int MaxSize;
int mSize;
T *listArray;
};
template<class T>
List<T>::List(int size)
{
if (size < 1) throw "ILLEGAL_SIZE";
else{ MaxSize = size;
listArray = new T[MaxSize];
if (listArray == NULL) throw "OUT_OF_MEMORY";
mSize = 0;
}
}
template<class T>
void List<T>::insert(const T value)
{
if (isFull()) throw "OUT_OF_SPACE";
listArray[mSize] = value;
mSize++;
}
template<class T>
bool List<T>::remove(const T value)
{
int index = search(value);
if (index == -1) return false;
else return removeAt(index);
}
template<class T>
bool List<T>::removeAt(int index)
{
if (index < 0 || index >= mSize)
throw "ILLEGAL_INDEX";
else
{
listArray[index] = listArray[mSize - 1];
mSize--;
return true;
}
}
template<class T>
T List<T>::getData(int index)
{
if (index < 0 || index >= mSize) throw "ILLEGAL_INDEX";
else return listArray[index];
}
template<class T>
void List<T>::setData(int index, T value)
{
if (index < 0 || index >= mSize) throw "ILLEGAL_INDEX";
else listArray[index]=value;
}
template<class T>
int List<T>::search(T key)
{
for (int i = 0; i < mSize;i++)
if (listArray[i] == key) return i;
return mSize;
}
template<class T>
List<T>::List(const List &other)
{
other=&List;
}
template <class T>
class ListIterator {
private:
List<T> &list;
int current;
ListIterator & operator =(const ListIterator & rhs);
// disallow assignment
public:
ListIterator(const List<T> &l): list(l), current(0) { }
ListIterator(const ListIterator<T> &li): list(li.list), current(li.current) { } // copy constructor
// overloaded assignment operator
void begin(){current = 0;}
void end() {current = list.mSize;}
bool isStart() {return current == 0;}
bool isDone() {return (current==list.mSize); }
void next() {
if (!isDone()) current++;
else throw "ILLEGAL_REFERNCE";
}
bool find(const T key) {
current = list.search(key);
if (!isDone()) return true; else return false;
}
T getData(){return list.listArray[current];} // get data of the current element
void setData(const T value); // change value of the current element
};
template<class T>
void ListIterator<T>::setData(const T value){list.setdata(current,value); current++;}
int main()
{
try{
List<int> intList(-10);
ListIterator<int> myIterator(intList); // create iterator and
//attach list to it
int temp = 0;
int x=0;
for(int i=0;i<10;i++)
{cout<<"Enter Data "<<i+1<<"#";
cin>>x;
myIterator.setData(x);
}
myIterator.begin();
while(!myIterator.isDone()) { // temp now has sum of all elements
temp = temp + myIterator.getData();
myIterator.next();
}
cout<<endl;
cout<<"Sum="<<temp<<endl;
}
catch (char e[]){ cout << e << endl; }
catch (...){ }
system("pause");
return 0;
}
