dx_parser.h

一个很全的matlab工具包

// $Id: dx_parser.h,v 2.4 2004/01/14 17:28:44 kgadeyne Exp $
// Copyright (C) 2003 Klaas Gadeyne <klaas dot gadeyne at mech dot kuleuven dot ac dot be>
//  
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//  
// This program 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 General Public License for more details.
//  
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//  

#ifndef __PARSER__
#define __PARSER__

extern "C"
{
#include <argp.h>
#include <stdlib.h>

#define MAX_NUM_ARGS 6
  
  const char *argp_program_version = "dxlinkclient version double o five";
  const char *argp_program_bug_address = "<klaas dot gadeyne at mech dot kuleuven dot ac dot be>";

  /** Structure used by main to communicate with parse_opt. */
  struct arguments
  {
    char *args[MAX_NUM_ARGS];  /* args */
    /// Verbose or not?
    int verbose;
    /// File used to read from
    char *file;
    /// Host to send data to
    char *host;
    /// Port number used to send (only if compiled with #ifdef _SOCKET_?)
    unsigned int port;
  };

  /*
    OPTIONS.  Field 1 in ARGP.
    Order of fields: 
    {
    NAME of the long option, 
    KEY (= short option), 
    ARG (name of the options argument), 
    FLAGS (flags describing the option, eg. OPTION_HIDDEN: Don't show the current option in --help output., 
    DOC (documentation)
    }.
  */
  static struct argp_option options[MAX_NUM_ARGS+1+1] =
    {
      {"verbose", 'v', 0, 0, "Produce verbose output"},
      {"file", 'f', "FILE", 0, "Set location of dx visualisation file"},
      {"port", 'p', "PORT", 0,"Set connection port to PORT"},
      {"host", 'h', "HOST", 0, "Set host name"},
      {0} // This should always be the last option
    };


  /*
    ARGS_DOC. Field 3 in ARGP.
    A description of the non-option command-line arguments
    that we accept.
  */
  static char args_doc[] = "";

  /*
    DOC.  Field 4 in ARGP.
    Program documentation.
  */
  static char doc[] = "Test Bootstrap Filter Visualisation -- A program to visualize the estimation of the location of a Mobile Robot by means of a laser scanner and a particle filter";

  /*
    PARSER. Field 2 in ARGP. Order of parameters: KEY, ARG, STATE.
  */
  static error_t
  parse_opt (int key, char *arg, struct argp_state *state)
  {
    struct arguments *arguments = (struct arguments *)state->input;
    switch (key)
      {
      case 'v':
	arguments->verbose = 1;
	break;
      case 'f':
	arguments->file = arg;
	break;
      case 'p':
	arguments->port = strtoul(arg,NULL,0);
	break;
      case 'h':
	arguments->host = arg;
	break;
      case ARGP_KEY_ARG: // Current CL argument is not an option
	if (state->arg_num >= MAX_NUM_ARGS) argp_usage(state);
	arguments->args[state->arg_num] = arg;
	break;
      case ARGP_KEY_END: // All CLs have been parsed
	// if (state->arg_num < MAX_NUM_ARGS)argp_usage (state);
	break;
      default:
	return ARGP_ERR_UNKNOWN;
      }
    return 0;
  }

  /*
    The ARGP structure itself.
  */
  static struct argp argp = {options, parse_opt, args_doc, doc};

} // End extern "C"

#endif // __PARSER__