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/*----------------------------------------------------------------------------+
| Author: Jerome Richards |
| |
| Assignment: Project 6 |
| File: stack.cpp |
| |
| Instructor: Dr. Roger deBry |
| Class: CNS-1350 Section X01 |
| |
| Date Written: February 5, 2005 |
| |
| Description: CStack handle class implementation |
+----------------------------------------------------------------------------*/
#include <iostream>
#include <cassert>
#include <memory>
#include "stack.h"
#include "stackrep.h"
CStack::CStack( int initSize )
{
itsImpl = new CStackrep( initSize );
assert( itsImpl != NULL );
}
CStack::~CStack()
{
assert( itsImpl != NULL );
delete itsImpl;
}
void CStack::push( int theData )
{
assert( itsImpl != NULL );
itsImpl->push( theData );
}
void CStack::pop()
{
assert( itsImpl != NULL );
itsImpl->pop();
}
int CStack::top()
{
assert( itsImpl != NULL );
return itsImpl->top();
}
int CStack::stackSize()
{
assert( itsImpl != NULL );
return itsImpl->stackSize();
}
int CStack::freeSpace()
{
assert( itsImpl != NULL );
return itsImpl->freeSpace();
}