/* Line IRC's parsing in cpp */

#ifndef _C_PARSER_
#define _C_PARSER_


#include <iostream>
#include <string>

using namespace std;


class c_parser
{
  private:
	string		m_nick;
	string		m_ident;
	string		m_hostname;
	string		m_type;
	string		m_where; //pv (nick) or channel
	string		m_msg;
	string		m_pong;

	string		m_parserError;

  public:
	c_parser();
	~c_parser();

	bool			parse(string buffer);

	string		getnick();
	string		getident();
	string		gethostname();
	string		gettype();
	string		getwhere();
	string		getmsg();
	string		getpong();

	string		getParserError();
};

#endif

/* constructor (erasing) */
c_parser::c_parser()
{
  m_nick.clear();
  m_ident.clear();
  m_hostname.clear();
  m_type.clear();
  m_where.clear();
  m_msg.clear();
  m_pong.clear();

  m_parserError.clear();
}


/* destructor (erasing) */
c_parser::~c_parser()
{
  m_nick.clear();
  m_ident.clear();
  m_hostname.clear();
  m_type.clear();
  m_where.clear();
  m_msg.clear();
  m_pong.clear();

  m_parserError.clear();
}


/* line's parsing */
bool c_parser::parse(string buffer)
{
  int a;

  /* erasing */
  m_parserError.clear();

  m_nick.clear();
  m_ident.clear();
  m_hostname.clear();
  m_type.clear();
  m_where.clear();
  m_msg.clear();
  m_pong.clear();


  /* if PING */
  if(buffer[0] != ':') {
	 if(!buffer.compare(0, 6, "PING :")) {
		buffer.erase(0,6);
		m_pong = buffer;
		cout << "+PONG :"<<m_pong<<"+"<<endl;
		buffer.clear();
		return true;
		}
	else return false;
	}


  /* m_nick search */
  for(a = 0; buffer[a] != '!' && buffer[a] != '\0'; a++);
  if(buffer[a] == '\0') {
	m_parserError = "buffer's end was found before m_nick.";
	return false;
	}
  else m_nick = buffer.substr(1, a-1);


  buffer.erase(0,a+1); //erasing already read


  /* m_ident search */
  for(a = 0; buffer[a] != '@' && buffer[a] != '\0'; a++);
  if(buffer[a] == '\0') {
	m_parserError = "buffer's end was found before m_ident.";
	return false;
	}
  else m_ident = buffer.substr(0, a);


  buffer.erase(0,a+1); //erasing already read


  /* m_hostname search */
  for(a = 0; buffer[a] != ' ' && buffer[a] != '\0'; a++);
  if(buffer[a] == '\0') {
	m_parserError = "buffer's end was found before m_hostname.";
	return false;
	}
  else m_hostname = buffer.substr(0, a);


  buffer.erase(0,a+1); //erasing already read


  /* m_type search */
  for(a = 0; buffer[a] != ' ' && buffer[a] != '\0'; a++);
  if(buffer[a] == '\0') {
	m_parserError = "buffer's end was found before m_type.";
	return false;
	}
  else m_type = buffer.substr(0, a);


  buffer.erase(0,a+1); //erasing already read


  /* m_where search */
  for(a = 0; buffer[a] != ' ' && buffer[a] != '\0'; a++);
  if(buffer[a] == '\0') {
	m_parserError = "buffer's end was found before m_where.";
	return false;
	}
  else m_where = buffer.substr(0, a);


  buffer.erase(0,a+2); //erasing already read


  /* m_msg search */
  m_msg = buffer;


  buffer.clear(); //erasing all (the rest) of buffer

return true;
}


string c_parser::getnick()
{
  return m_nick;
}


string c_parser::getident()
{
  return m_ident;
}


string c_parser::gethostname()
{
  return m_hostname;
}


string c_parser::gettype()
{
  return m_type;
}


string c_parser::getwhere()
{
  return m_where;
}


string c_parser::getmsg()
{
  return m_msg;
}


string c_parser::getpong()
{
  return m_pong;
}


string c_parser::getParserError()
{
  return m_parserError;
}



int
  main()
{
  c_parser Parsing;

  string line1 = ":Co2SoFt!guest@3569536830.fr PRIVMSG #under :&op geeks nerds";
  string line2 = "PING :irc.voila.fr";
  string line3 = ":Co2SoFt!guest@3569536830.fr PRIVMSG #under :&op geeks nerds";

  if(!Parsing.parse(line1)) cout<< "ERROR, invalid line: " <<Parsing.getParserError()<< endl;
  else {
	cout<< "first line :" << endl;
	cout<< "m_nick : +" <<Parsing.getnick()<<"+"<< endl;
	cout<< "m_ident : +" <<Parsing.getident()<<"+"<< endl;
	cout<< "m_hostname : +" <<Parsing.gethostname()<<"+"<< endl;
	cout<< "m_type : +" <<Parsing.gettype()<<"+"<< endl;
	cout<< "m_where : +" <<Parsing.getwhere()<<"+"<< endl;
	cout<< "m_msg : +" <<Parsing.getmsg()<<"+"<< endl;
	}

  cout<< endl;

  if(!Parsing.parse(line2)) cout<< "ERROR, invalid line: " <<Parsing.getParserError()<< endl;

  cout<< endl;

  if(!Parsing.parse(line3)) cout<< "ERROR, invalid line: " <<Parsing.getParserError()<< endl;
  else {
	cout<< "third line : " << endl;
	cout<< "m_nick : +" <<Parsing.getnick()<<"+"<< endl;
	cout<< "m_ident : +" <<Parsing.getident()<<"+"<< endl;
	cout<< "m_hostname : +" <<Parsing.gethostname()<<"+"<< endl;
	cout<< "m_type : +" <<Parsing.gettype()<<"+"<< endl;
	cout<< "m_where : +" <<Parsing.getwhere()<<"+"<< endl;
	cout<< "m_msg : +" <<Parsing.getmsg()<<"+"<< endl;
	cout <<endl;
	if(Parsing.getnick() == "MProg") cout << "MProg have a valid access !" << endl;
	}

return 0;
}