#include <string>
#include <iostream>
#include <sstream>
#include <fstream>

using namespace std;

main(int argc, char *argv[]){
  char line1[10000], line2[10000];
  string strline1, strline2;
  ostringstream ostr1, ostr2;
  bool flag;
  cout << "The first parameter: " << argv[1] << "\n";
  cout << "The second parameter: " << argv[2] << "\n";
  ifstream Y11(argv[1], ios::in | ios::binary);
  ifstream Y12(argv[2], ios::in | ios::binary);
  if(!Y11.is_open() || !Y12.is_open())
     throw ofstream::failure("couldn't open ");
  
  //Y11.getline(line1,9000);
  
  
  //  Y12.getline(line2,9000);
//  getline(Y11, strline1); 
//cout << "You entered " << strline1 << endl;
  //cout << "\nLetto: \n" << line1 << endl;
  
  
  while(getline(Y11, strline1)){
    flag = false;
    //caso di lettura stringa vuota
    if(strline1.size() == 0)
      continue;
    // For all the characters of the string
    for(int i=0; i<strline1.size(); i++){
      if(strline1[i] == '/' && strline1[i+1] == '*'){
	flag = true;
	continue;
      }
      if(flag){
	if(strline1[i] == '*' && strline1[i+1] == '/'){
	flag=false;
	i++;
	}
	continue;
      }
      //if(strline1[i] == '/' && i<strline1.size()-1 && strline1[i+1] == '/')
      // Comment case: "//"
      if(strline1[i] == '/' && strline1[i+1] == '/'){
	i = strline1.size() -1;
	continue;
      }
      // Case space or tab
      if(strline1[i] != ' ' && strline1[i] != '\t')
	ostr1 << strline1[i];
      //ostr1 << strline1;
    }
  }
//  cout << "Letto1: " << ostr1.str() << endl;
  
  
  while(getline(Y12, strline2)){
    flag = false;
    // Case read of empty string
    if(strline2.size() == 0)
      continue;
    // For all the characters of the string
    for(int i=0; i<strline2.size(); i++){
      if(strline2[i] == '/' && strline2[i+1] == '*'){
	flag = true;
	continue;
      }
      if(flag){
	if(strline2[i] == '*' && strline2[i+1] == '/'){
	flag=false;
	i++;
	}
	continue;
      }
      //if(strline1[i] == '/' && i<strline1.size()-1 && strline1[i+1] == '/')
      // Comment case "//"
      if(strline2[i] == '/' && strline2[i+1] == '/'){
	i = strline2.size() -1;
	continue;
      }
      // Case space or tab
      if(strline2[i] != ' ' && strline2[i] != '\t')
	ostr2 << strline2[i];
    }
  }
  
  //cout << "\n\nLetto2: " << ostr1.str() << endl;

  string str = ostr2.str();
  str.erase(ostr1.str().size()); // Erase all after

  cout << "size string1: " << ostr1.str().size() << endl;
  cout << "size string2: " << str.size() << endl;

  //if(ostr1.str() != ostr2.str())
  if(ostr1.str() != str){
    cout << "Error!!!!!!!  ";
    for(int i=0; i<str.size(); i++){
	if(ostr1.str()[i] != str[i]){
	  cout << "Number of letter already reed? :" << i << endl;
	  str.erase(0, i);
	  cout << str;
	  break;
	}
    }
  }else cout << "Everything ok: FILES ARE EQUAL\n";
}