#ifndef MONROUTER_CONFIGURE_HPP
#define MONROUTER_CONFIGURE_HPP

#include <stdexcept>

#include <boost/tokenizer.hpp>
#include <boost/foreach.hpp>
#include <boost/property_tree/ptree.hpp>
#include <boost/algorithm/string/trim.hpp>

/**
 * \author cpellegrino
 */

namespace detail {

static const boost::char_separator<char> args_sep(";");
static const boost::char_separator<char> fields_sep("=");
static const boost::char_separator<char> white_spaces("\t ");

inline
boost::property_tree::ptree parse(std::string str)
{
  boost::algorithm::trim(str);
  boost::property_tree::ptree pt;
  boost::tokenizer<boost::char_separator<char> > tok(str, args_sep);

  BOOST_FOREACH(std::string s, tok)
  {
    boost::algorithm::trim(s);
    boost::tokenizer<boost::char_separator<char> > fields(s, fields_sep);
    typedef boost::tokenizer<boost::char_separator<char> >::iterator Iter;

    Iter it = fields.begin();

    std::string varname = *it;
    boost::algorithm::trim(varname);

    ++it;
    if (it != fields.end()) {
      std::string val = *it;
      boost::algorithm::trim(val);

      pt.put(varname, val);
      ++it;
    } else {
      throw std::runtime_error("Parsing error: malformed input buffer.");
    }

    if (it != fields.end()) {
      throw std::runtime_error("Parsing error: malformed input buffer.");
    }
  }
  return pt;
}

} // ns detail

#endif // MONROUTER_CONFIGURE_HPP