#include <iostream.h>
#include <stdio.h>
#include "classes.H"
#include "parser.H"
#include "interp.H"

int pass_no = 0;
Element *root = NULL;

void main(int argc, char *argv[]) {
  FILE *infile;
  char command[50];
  cout << "Parsing...." <<endl;
  if (argc > 1) {
    infile = fopen (argv[1], "r");
    if (infile == NULL) {
      cout << "File does not exist!" << NULL;
      exit (1);
    }
    fclose(infile);
    sprintf(command, "sgmls %s > /tmp/output.tmp", argv[1]);
    system(command);
  }
  else
    system("sgmls /u/asengupt/mmdb/dtd/starwars.sgm > /tmp/output.tmp");
  cout << "done. " << endl;
  cout << "building index....."<<endl;
  infile = fopen ("/tmp/output.tmp","r");
  
  char  temp[20];
  getline(temp, infile);
  root = doelement(temp, infile);

  cout << "done." << endl;

  cout << "Ready for query input ....." << endl;

  Element_list *result = NULL;
  result = new Element_list(root);

  interpret();
}