/**
 * @file   parser_inline_impl.cc
 *
 * @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
 * @author Nicolas Richart <nicolas.richart@epfl.ch>
 *
 * @date   Fri Jun 10 16:46:20 2011
 *
 * @brief  implementation of inline parser functions
 *
 * @section LICENSE
 *
 * Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
 * Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
 *
 * Akantu is free  software: you can redistribute it and/or  modify it under the
 * terms  of the  GNU Lesser  General Public  License as  published by  the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version.
 *
 * Akantu is  distributed in the  hope that it  will be useful, but  WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A  PARTICULAR PURPOSE. See  the GNU  Lesser General  Public License  for more
 * details.
 *
 * You should  have received  a copy  of the GNU  Lesser General  Public License
 * along with Akantu. If not, see <http://www.gnu.org/licenses/>.
 *
 */

/* -------------------------------------------------------------------------- */
inline std::string Parser::getNextSection(const std::string & section_type,
					  std::string & optional_param){
  optional_param = "";
  while(infile.good()) {
    my_getline();

    // if empty line continue
    if(line.empty()) continue;

    std::stringstream sstr(line);
    std::string keyword;
    std::string value;

    sstr >> keyword;
    keyword = to_lower(keyword);
    //if found a material decription then stop and prepare the things
    // for further reading
    if(keyword == section_type) {
      std::string type; sstr >> type;
      type = to_lower(type);
      std::string obracket; sstr >> obracket;
      if(obracket != "[") {
	optional_param = obracket;
	sstr >> obracket;
	if(obracket != "[") {
	  AKANTU_DEBUG_ERROR("Malformed config file : missing [ at line " << current_line);
	}
      }
      return type;
    }
  }
  return "";
}

/* -------------------------------------------------------------------------- */
inline void Parser::my_getline() {
  std::getline(infile, line); //read the line
  ++current_line;
  if(infile.bad()) { AKANTU_DEBUG_ERROR("Something went wrong will reading file "
					<< filename << " at line " << current_line); }
  size_t pos = line.find("#"); //remove the comment
  line = line.substr(0, pos);
  line = trim(line); // remove unnecessary spaces
}

/* -------------------------------------------------------------------------- */
inline void Parser::open(const std::string & filename){
  this->filename = filename;
  infile.open(filename.c_str());
  current_line = 0;

  if(!infile.good()) {
    AKANTU_DEBUG_ERROR("Cannot open file " << filename);
  }
}

/* -------------------------------------------------------------------------- */
inline void Parser::close(){
  infile.close();
}