source_file_pos.hpp

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/*********************************************************************************
 *  OKVIS - Open Keyframe-based Visual-Inertial SLAM
 *  Copyright (c) 2015, Autonomous Systems Lab / ETH Zurich
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 *     its contributors may be used to endorse or promote products derived from
 *     this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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 *  Created on: 
 *      Author: Paul Furgale
 *    Modified: Stefan Leutenegger (s.leutenegger@imperial.ac.uk)
 *********************************************************************************/

#ifndef OKVIS_SOURCE_FILE_POS_HPP
#define OKVIS_SOURCE_FILE_POS_HPP

#include <string>
#include <iostream>
#include <sstream>
// A class and macro that gives you the current file position.

namespace okvis {

  class source_file_pos
  {
  public:
    std::string function;
    std::string file;
    int line;

    source_file_pos(std::string function, std::string file, int line) :
      function(function), file(file), line(line) {}

    operator std::string()
    {
      return toString();
    }

    std::string toString() const
    {
      std::stringstream s;
      s << file << ":" << line << ": " << function << "()";
      return s.str();
    }

  };

}// namespace okvis

inline std::ostream & operator<<(std::ostream & out, const okvis::source_file_pos & sfp)
{
  out << sfp.file << ":" << sfp.line << ": " << sfp.function << "()";
  return out;
}


#define OKVIS_SOURCE_FILE_POS okvis::source_file_pos(__FUNCTION__,__FILE__,__LINE__)

#endif // OKVIS_SOURCE_FILE_POS_HPP