BitVector Test Client

/*
    fbitvect.cpp
    testing BitVector
*/

#include <bitvect.h>

void DisplayMenu (size_t size);
void CopyTest    (const fsu::BitVector& bv1, fsu::BitVector bv2);
void AssignTest  (const fsu::BitVector& bv1);

typedef fsu::BitVector BitVector;

int main(int argc, char* argv[])
{
  std::cout << " ***********************************************************\n"
            << " * fbitvect.x command line arguments expected (optional):  *\n"
            << " *  1: size requested in bits [enter 0 for default]        *\n"
            << " *  2: command file for batch processing                   *\n"
            << " ***********************************************************\n";
  size_t size(0);
  if (argc > 1)
  {
    size = atoi(argv[1]);
  }

  std::ifstream ifs;
  std::istream* isptr = &std::cin;
  bool BATCH = 0;  

  if (argc > 2)
  {
    ifs.open(argv[2]);
    if (ifs.fail())
    {
      std::cout << " ** unable to read file \"" << argv[2] << "\"\n"
                << "    try again\n";
      return EXIT_FAILURE;
    }
    isptr = &ifs;
    BATCH = 1;
  }

  BitVector * bvptr;
  if (size == 0)
  {
    bvptr = new BitVector; // default constructor
  }
  else
  {
    bvptr = new BitVector (size); // 1-arg constructor
  }
  char selection;
  size_t index;
  std::cout << "Welcome to fbitvect\n";
  DisplayMenu(size);

  do
  {
    std::cout << "  Enter [op][index] (\'M\' for menu, \'Q\' to quit): ";
    *isptr >> selection;
    if (BATCH)  std::cout << selection; // echo input
    switch(selection)
    {
      case '=':
	if (BATCH)  std::cout << '\n'; // echo input
	CopyTest(*bvptr,*bvptr);
	AssignTest(*bvptr);
	break;
      case 'S':
	if (BATCH)  std::cout << '\n'; // echo input
        bvptr->Set();
        break;
      case 's':
        *isptr >> index;
	if (BATCH)  std::cout << index << '\n'; // echo input
        bvptr->Set(index);
        break;
      case 'U':
	if (BATCH)  std::cout << '\n'; // echo input
        bvptr->Unset();
        break;
      case 'u':
        *isptr >> index;
	if (BATCH)  std::cout << index << '\n'; // echo input
        bvptr->Unset(index);
        break;
      case 'F':
	if (BATCH)  std::cout << '\n'; // echo input
        bvptr->Flip();
        break;
      case 'f':
        *isptr >> index;
	if (BATCH)  std::cout << index << '\n'; // echo input
        bvptr->Flip(index);
        break;
      case 't': case 'T':
        *isptr >> index;
	if (BATCH)  std::cout << index << '\n'; // echo input
        std::cout << "  v.Test(" << index << ") == ";
        if (bvptr->Test(index))
          std::cout << "1\n";
        else
          std::cout << "0\n";
        break;
      case '[':
        *isptr >> index >> selection;
	if (BATCH)  std::cout << index << selection << '\n'; // echo input
        std::cout << "  v[" << index << "] == "
                  << (size_t)bvptr->operator[](index)
                  << '\n';
        break;
      case 'e': case 'E':
        *isptr >> index;
	if (BATCH)  std::cout << index << '\n'; // echo input
        std::cout << " v.Expand(" << index << ")\n";
        bvptr->Expand(index);
        break;
      case 'd': case 'D':
	if (BATCH)  std::cout << '\n'; // echo input
	std::cout << " v.Size(): " << bvptr -> Size() << " ; v.Dump(std::cout):\n";
	bvptr->Dump(std::cout);
        break;
      case 'o': case 'O':
	if (BATCH)  std::cout << '\n'; // echo input
	std::cout << " std::cout << v: " << *bvptr << '\n';
        break;
      case 'm': case 'M':
	if (BATCH)  std::cout << '\n'; // echo input
        DisplayMenu(size);
        break;
      case 'x': case 'X':
	if (BATCH)
        {
          std::cout << '\n'; // echo input
          isptr = &std::cin;
          ifs.close();
          BATCH = 0;
          std::cout << " ** switched to interactive mode\n";
        }
        else
        {
          std::cout << " ** already in interactive mode\n";
        }
        break;
      case 'q': case 'Q': 
	if (BATCH)  std::cout << '\n'; // echo input
	selection = 'Q';
        if (BATCH)
          ifs.close();
        break;
      default:
	if (BATCH)  std::cout << '\n'; // echo input
        std::cout << "  command not found\n";
    }
  }
  while (selection != 'Q');
  delete bvptr;
  std::cout << "Thank you for testing BitVector\n";
  return 0;
}

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