#include "reg_izrazi.hpp"

RegEx::~RegEx() {

}

string Char::basic() const {
  char tmp[2];
  tmp[0] = _c;
  tmp[1] = '\0';
  return string(tmp);
}

BinOp::~BinOp() {
  delete _left;
  delete _right;
}

string Concat::basic() const {
  return string("(") + _left->basic() + string(")(") + _right->basic() + string(")");
}

string Disj::basic() const {
  return string("(") + _left->basic() + string(")|(") + _right->basic() + string(")");
}

UnOp::~UnOp() {
  delete _r;
}

string Iter::basic() const {
  return string("(") + _r->basic() + string(")*");
}

string Plus::basic() const {
  return string("(") + _r->basic() + string(")*(") + _r->basic() + string(")");
}

string CharClass::basic() const {
  string tmp;
  for (unsigned i = 0; i < _s.size(); i++) {
    tmp += _s[i];
    if (i != _s.size() - 1)
      tmp += "|";
  }
  return tmp;
}

string QuestionMark::basic() const {
  return string("(") + _r->basic() + string(")|()");
}

string IterN::basic() const {
  string tmp;
  for (int i = 0; i < _n; i++)
    tmp += string("(") + _r->basic() + string(")");
  return tmp;
}