#include <iostream.h>
#include <fstream.h>
#include <stdlib.h>
#include <conio.h>

#define FALSE 0
#define TRUE 1

// This program counts the number of characters, words,
// and lines in a file.
//
// Warning: I think it works properly, but it isn't fully tested.

void main(void)
{
  fstream countfile;

  int characters;
  int words;
  int lines;
  char c;
  int inaword;
  char filename[80];

  cout << "Filename: ";
  cin >> filename;

  countfile.open(filename, ios::in);

  if(countfile.fail()) {
    cout << "Error opening file\n";
    cout << "\nHit any key to exit\n";
    getch();
    exit(-1);
  }

  // Initialize the count variables
  characters = 0;
  words = 0;
  lines = 0;
  inaword = 0;

  while(1) {
    countfile.get(c);

    if(countfile.eof()) {
      if(inaword) {
	words++;
	inaword == FALSE;
      }
      lines++;
      break;
    }

    characters++;

    switch(c) {
    case ' ':
    case '\t':
      if(inaword == TRUE) {
	words++;
	inaword == FALSE;
      }
      break;

    case '\n':
      if(inaword == TRUE) {
	words++;
	inaword == FALSE;
      }

      lines++;
      break;

    default:
      if(inaword == FALSE)
	inaword = TRUE;

      break;
    }
  }

  countfile.close();

  cout << "Characters: " << characters << endl;
  cout << "Words: " << words << endl;
  cout << "Lines: " << lines << endl;

  cout << "\nHit any key to exit\n";
  getch();
}