parse.h

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/*
 * Software License Agreement (BSD License)
 *
 *  Point Cloud Library (PCL) - www.pointclouds.org
 *  Copyright (c) 2010-2012, Willow Garage, Inc.
 *  Copyright (c) 2012-, Open Perception, Inc.
 *
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 *     notice, this list of conditions and the following disclaimer.
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 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
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 *     contributors may be used to endorse or promote products derived
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#ifndef PCL_CONSOLE_PARSE_H_
#define PCL_CONSOLE_PARSE_H_

#include <vector>
#include <sstream>
#include <pcl/pcl_macros.h>

namespace pcl
{
  namespace console
  {
    PCL_EXPORTS bool
    find_switch (int argc, char** argv, const char* argument_name);

    PCL_EXPORTS int
    find_argument (int argc, char** argv, const char* argument_name);

    template<typename Type> int
    parse (int argc, char** argv, const char* argument_name, Type& value)
    {
      int index = find_argument (argc, argv, argument_name) + 1;

      if (index > 0 && index < argc)
      {
        std::istringstream stream;
        stream.clear ();
        stream.str (argv[index]);
        stream >> value;
      }

      return (index - 1);
    }

    PCL_EXPORTS int
    parse_argument (int argc, char** argv, const char* str, std::string &val);

    PCL_EXPORTS int
    parse_argument (int argc, char** argv, const char* str, bool &val);

    PCL_EXPORTS int
    parse_argument (int argc, char** argv, const char* str, float &val);
    
    PCL_EXPORTS int
    parse_argument (int argc, char** argv, const char* str, double &val);

    PCL_EXPORTS int
    parse_argument (int argc, char** argv, const char* str, int &val);

    PCL_EXPORTS int
    parse_argument (int argc, char** argv, const char* str, unsigned int &val);

    PCL_EXPORTS int
    parse_argument (int argc, char** argv, const char* str, char &val);

    PCL_EXPORTS int
    parse_2x_arguments (int argc, char** argv, const char* str, float &f, float &s, bool debug = true);

    PCL_EXPORTS int
    parse_2x_arguments (int argc, char** argv, const char* str, double &f, double &s, bool debug = true);

    PCL_EXPORTS int
    parse_2x_arguments (int argc, char** argv, const char* str, int &f, int &s, bool debug = true);

    PCL_EXPORTS int
    parse_3x_arguments (int argc, char** argv, const char* str, float &f, float &s, float &t, bool debug = true);

    PCL_EXPORTS int
    parse_3x_arguments (int argc, char** argv, const char* str, double &f, double &s, double &t, bool debug = true);

    PCL_EXPORTS int
    parse_3x_arguments (int argc, char** argv, const char* str, int &f, int &s, int &t, bool debug = true);

    PCL_EXPORTS int
    parse_x_arguments (int argc, char** argv, const char* str, std::vector<double>& v);

    PCL_EXPORTS int
    parse_x_arguments (int argc, char** argv, const char* str, std::vector<float>& v);

    PCL_EXPORTS int
    parse_x_arguments (int argc, char** argv, const char* str, std::vector<int>& v);

    PCL_EXPORTS bool
    parse_multiple_arguments (int argc, char** argv, const char* str, std::vector<int> &values);

    PCL_EXPORTS bool
    parse_multiple_arguments (int argc, char** argv, const char* str, std::vector<float> &values);

    PCL_EXPORTS bool
    parse_multiple_arguments (int argc, char** argv, const char* str, std::vector<double> &values);

    PCL_EXPORTS bool
    parse_multiple_arguments (int argc, char** argv, const char* str, std::vector<std::string> &values);

    PCL_EXPORTS bool
    parse_multiple_2x_arguments (int argc, char** argv, const char* str, 
                                 std::vector<double> &values_f, 
                                 std::vector<double> &values_s);

    PCL_EXPORTS bool
    parse_multiple_3x_arguments (int argc, char** argv, const char* str, 
                                 std::vector<double> &values_f, 
                                 std::vector<double> &values_s, 
                                 std::vector<double> &values_t);

    PCL_EXPORTS std::vector<int>
    parse_file_extension_argument (int argc, char** argv, const std::string &ext);
  }
}

#endif      // PCL_CONSOLE_PARSE_H_