// bytemark - version 1.00.web1, Rupert Scammell fib@lumiere.net 
// The latest version of this code may be found at http://lumiere.net/~fib/code.html
// This code is public domain.

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

// uncomment this for most compilers:
//using namespace std;

int main(void)
{
string wordstring;
string currentfirst;
string currentsecond;
string backrefstr;
long byteoffset;
int repeated = 0;


ofstream bookmarkFile("bytemarkMoby");
ifstream MobyPOS("mobyposi");
ofstream BackRefOut("mobyrepdata");
cout << "Bytemark Moby POS bookmark generator.  Standby.." << endl;

  if (BackRefOut.fail()) 
  {
  cerr << "Repetition data file could not be written. Halted." << endl;
  return 1;
  }
	
BackRefOut << "#" << endl; // so we append.
BackRefOut.close();

  if (MobyPOS.fail()) 
  {
  cerr << "Moby POS Database not found. Halted." << endl;
		return 1;
  }
  
  if (bookmarkFile.fail()) 
  {
  cerr << "Bookmark file could not be written. Halted" << endl;
  return 1;
  }
  
cout << "I/O files opened successfully... beginning bookmark process." << endl;
byteoffset = 0;

  while (!MobyPOS.eof()) 
  {
  getline(MobyPOS, wordstring);
  byteoffset = byteoffset+ wordstring.length();
    if (wordstring.substr(0, 1) == currentfirst && wordstring.substr(1, 1) != currentsecond) 
    {
	ifstream BackRef("mobyrepdata");
	repeated = 0; //make sure the loop starts off assuming a repeat ! occurred.
	
	  while (!BackRef.eof() && repeated != 1) 
	  {
	  getline(BackRef, backrefstr);
		
		if (backrefstr == wordstring.substr(0, 2)) 
		{
		repeated = 1;
		BackRef.close();
		}
	  }

	  if (repeated == 0) 
	  {
	  BackRef.close();
	  ofstream BackRefOut("mobyrepdata", ios::out | ios::ate);
	
	    if (BackRefOut.fail()) 
	    {
		cerr << "Moby Rep Data file could not be appended. Halted." << endl;
		return 1;
		}
				
	  BackRefOut << wordstring.substr(0, 1) << wordstring.substr(1, 1) << endl;
	  BackRefOut.close();
	  bookmarkFile << wordstring.substr(0, 1) << wordstring.substr(1, 1) << "*" << byteoffset <<endl;
	  currentsecond = wordstring.substr(1, 1);
	  }
	}
	
	if (wordstring.substr(0, 1) != currentfirst) 
	{
	ifstream BackRef("mobyrepdata");
	repeated = 0; //make sure the loop starts off assuming a repeat ! occurred.
	  
	  while (!BackRef.eof() && repeated != 1) 
	  {
	  getline(BackRef, backrefstr);
	  
	    if (backrefstr == wordstring.substr(0, 2)) 
	    {
		repeated = 1;
		BackRef.close();
		}
	  }

    if (repeated == 0) 
    {
	BackRef.close();
	ofstream BackRefOut("mobyrepdata", ios:: out | ios::ate);
	
	  if (BackRefOut.fail()) 
	  {
	  cerr << "Moby Rep Data file could not be appended.  Cannot continue." << endl;
	  return 1;
	  }
				
	BackRefOut.close();
	bookmarkFile << wordstring.substr(0, 1) << wordstring.substr(1, 1) << "*" << byteoffset << endl;
	currentfirst = wordstring.substr(0, 1);
    }
  }
}
cout << "Bookmarking completed successfully!" << endl;
return 0;
}