//---------------------------------------------------------
// Proj1.C  CMSC 341 Fall 2003
//
// Driver program for project 1, CMSC 341, Fall 2003
//
//
// This file is to be use as-is; without changes.
//------------------------------------------------------------

#include <fstream>
#include "BigInt.H"
#include "Rational.H"
#include "Number.H"
#include "Proj1_aux.H"

using namespace std;

int main (int argc, char *argv[])
{
  bool bigint = false, rational = false;
  ifstream commands;

  // Parse the command line.  Function exits for invalid command line.  
  // Determine whether the command file contains BigInts or Rationals.  
  // Open the command file.
  getCmdLine(argc, argv, bigint, rational, commands);

  // Create the appropriate kind of Number and process commands.
  // Note that you must use n1 and n2 inside the routine for processing
  // commands when reading numbers from the command file.
  if (bigint)
  {
    Number<BigInt> n1, n2;
    processCommands(commands, n1, n2);
  } else if (rational) {
    Number<Rational> n1, n2;
    processCommands(commands, n1, n2);
  } else {
    cerr << "Invalid command line\n";
  }

  if (commands.is_open())
    commands.close();
}