StackNode.h
template<typename Type> class LinkStack;
template<typename Type> class StackNode{
private:
friend class LinkStack<Type>;
StackNode(Type dt,StackNode<Type> *next=NULL):m_data(dt),m_pnext(next){}
private:
Type m_data;
StackNode<Type> *m_pnext;
};
LinkStack.h
#include "StackNode.h"
template<typename Type> class LinkStack{
public:
LinkStack():m_ptop(NULL){}
~LinkStack(){
MakeEmpty();
}
public:
void MakeEmpty(); //make the stack empty
void Push(const Type item); //push the data
Type Pop(); //pop the data
Type GetTop() const; //get the data
void Print(); //print the stack
bool IsEmpty() const{
return m_ptop==NULL;
}
private:
StackNode<Type> *m_ptop;
};
template<typename Type> void LinkStack<Type>::MakeEmpty(){
StackNode<Type> *pmove;
while(m_ptop!=NULL){
pmove=m_ptop;
m_ptop=m_ptop->m_pnext;
delete pmove;
}
}
template<typename Type> void LinkStack<Type>::Push(const Type item){
m_ptop=new StackNode<Type>(item,m_ptop);
}
template<typename Type> Type LinkStack<Type>::GetTop() const{
if(IsEmpty()){
cout<<"There is no elements!"<<endl;
exit(1);
}
return m_ptop->m_data;
}
template<typename Type> Type LinkStack<Type>::Pop(){
if(IsEmpty()){
cout<<"There is no elements!"<<endl;
exit(1);
}
StackNode<Type> *pdel=m_ptop;
m_ptop=m_ptop->m_pnext;
Type temp=pdel->m_data;
delete pdel;
return temp;
}
template<typename Type> void LinkStack<Type>::Print(){
StackNode<Type> *pmove=m_ptop;
cout<<"buttom";
while(pmove!=NULL){
cout<<"--->"<<pmove->m_data;
pmove=pmove->m_pnext;
}
cout<<"--->top"<<endl<<endl<<endl;
}
Test.cpp
#include <iostream>
using namespace std;
#include "LinkStack.h"
int main(){
LinkStack<int> stack;
int init[10]={1,3,5,7,4,2,8,0,6,9};
for(int i=0;i<10;i++){
stack.Push(init[i]);
}
stack.Print();
cout<<stack.Pop()<<endl;
stack.Print();
cout<<stack.GetTop()<<endl;
stack.Print();
cout<<stack.Pop()<<endl;
stack.Print();
stack.MakeEmpty();
stack.Print();
stack.Pop();
return 0;
}
