stack.cpp

#include "stack.h"


const char* Stack::Full::what() const throw()
{
    return "Stack is full";
}

const char* Stack::Empty::what() const throw()
{
    return "Stack is empty";
}

Stack::Stack( const int _maxSize ) : maxSize(_maxSize)
{
    /* this is going to dynamically allocate an array of chars
        I'm doing it with a smart pointer to be absolutely certain
        there's no memory leak */
    stack = std::make_unique<char[]>( maxSize );
    numValues = 0;
}

Stack::~Stack()
{
}

int Stack::num_items() const
{
    return 0;
}

void Stack::push( char value )
{
    if( num_items() < maxSize )
    {
        stack[numValues] = value;
        numValues += 1;
    }
    else
    {
        throw Full();
    }
}

char Stack::top()
{
}

char Stack::pop()
{
}