/*This program reads an ASCII file specified by the user
  and writes the resulting numeric code for picint to picint.dat*/

#include<iostream>
#include<fstream>
#include<cstdlib>

main()
{
    /**********************
     *initialize variables*
     **********************/
    char symbol, current_symbol = '*', in_filename[16];
    int counter;
    ofstream out_stream;
    ifstream in_stream;

    /************
     *Open files*
     ************/
    out_stream.open("picint.dat");
    if (out_stream.fail())
    {
	cout << "Error opening output file";
	exit(1);
    }
    cout << "Specify an input file: ";
    cin >> in_filename;
    in_stream.open(in_filename);
    if (in_stream.fail())
    {
	cout << "Error opening input file";
	exit(1);
    }

    /***************
     *Compute away!*
     ***************/
    in_stream.get(symbol);
    while (1)
    {
	if (symbol == ' ')
	{
	    counter = 0;
	    do
	    {
		counter++;
		in_stream.get(symbol);
	    } while (symbol == ' ');
	    out_stream << "0 " << counter << " ";
	}
	if (symbol == 10)
	{
	    out_stream << "-1 0 ";
	    in_stream.get(symbol);
	}
	if (symbol != ' ' && symbol != 10)
	{
	    if (symbol != current_symbol)
	    {
		out_stream << "-3 " << static_cast<int>(symbol) << " ";
		current_symbol = symbol;
	    }
	    counter = 0;
	    do
	    {
		counter++;
		in_stream.get(symbol);
	    } while (symbol == current_symbol);
	    out_stream << counter << " ";
	    if (symbol == ' ')
	    {
		counter = 0;
		do
		{
		    counter++;
		    in_stream.get(symbol);
		} while (symbol == ' ');
		out_stream << counter << " ";
	    }
	    else
		out_stream << "0 ";
	}
	if (in_stream.eof())
	    break;
    }
    out_stream << "-2 0";

    /****************
     *Finish program*
     ****************/
    in_stream.close();
    out_stream.close();
    cout << "picint.dat written successfully!";
    return 0;
}