#include "iStack.h"
#include "stackExcp.h"
#include <iostream>

using namespace::std;

enum ErrorCodes { errorCodePush = 1, errorCodePop };

void iStack::pop(int &top_value){
  if(empty())
    throw popOnEmpty(errorCodePop);

  top_value = _stack[--_top];

  cout << "iStack::pop(): " << top_value << endl;
}

void iStack::push(int value){
  if(full())
    throw pushOnFull(errorCodePush);
  
  _stack[_top++] = value;

  cout << "iStack::push(): " << value << endl;
}

bool iStack::full(){
  return _top >= _capacity;
}

bool iStack::empty(){
  return _top == 0;
}

void iStack::display(){
  cout << "stack members:";
  for(int i = 0; i < _top; ++i)
    cout << ' ' << _stack[i];
  cout << endl;
}

int iStack::size(){
  return _top;
}