Visual Servoing Platform  version 3.2.0 under development (2018-10-16)
parse-argv2.cpp

Example of command line parsing.

/****************************************************************************
*
* This file is part of the ViSP software.
* Copyright (C) 2005 - 2017 by Inria. All rights reserved.
*
* This software 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.
* See the file LICENSE.txt at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using ViSP with software that can not be combined with the GNU
* GPL, please contact Inria about acquiring a ViSP Professional
* Edition License.
*
* See http://visp.inria.fr for more information.
*
* This software was developed at:
* Inria Rennes - Bretagne Atlantique
* Campus Universitaire de Beaulieu
* 35042 Rennes Cedex
* France
*
* If you have questions regarding the use of this file, please contact
* Inria at visp@inria.fr
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* Description:
* Example of command line parsing.
*
* Author:
* Fabien Spindler
*
*****************************************************************************/
#include <iomanip>
#include <sstream>
#include <stdio.h>
#include <visp3/core/vpDebug.h>
#include <visp3/io/vpParseArgv.h>
int main(int argc, const char **argv)
{
try {
using ::std::cout;
using ::std::endl;
bool bool_val = false;
int int_val = 3;
long long_val = 33333333;
float float_val = 3.14f;
double double_val = 3.1415;
char *string_val = NULL;
vpParseArgv::vpArgvInfo argTable[] = {
{"-bool", vpParseArgv::ARGV_CONSTANT_BOOL, 0, (char *)&bool_val, "Bool enabled."},
{"-integer", vpParseArgv::ARGV_INT, (char *)NULL, (char *)&int_val, "An integer value."},
{"-long", vpParseArgv::ARGV_LONG, (char *)NULL, (char *)&long_val, "A long value."},
{"-float", vpParseArgv::ARGV_FLOAT, (char *)NULL, (char *)&float_val, "A float value."},
{"-double", vpParseArgv::ARGV_DOUBLE, (char *)NULL, (char *)&double_val, "A double value."},
{"-string", vpParseArgv::ARGV_STRING, (char *)NULL, (char *)&string_val, "A chain value."},
{"-h", vpParseArgv::ARGV_HELP, (char *)NULL, (char *)NULL, "Print the help."},
{(char *)NULL, vpParseArgv::ARGV_END, (char *)NULL, (char *)NULL, (char *)NULL}};
// Read the command line options
if (vpParseArgv::parse(&argc, argv, argTable, vpParseArgv::ARGV_NO_DEFAULTS)) {
return (-1);
}
cout << "Your parameters: " << endl;
cout << " Bool value: " << bool_val << endl;
cout << " Integer value: " << int_val << endl;
cout << " Long value: " << long_val << endl;
cout << " Float value: " << float_val << endl;
cout << " Double value: " << double_val << endl;
if (string_val != NULL)
cout << " String value: " << string_val << endl;
else
cout << " String value: \"\"" << endl << endl;
cout << "Call " << argv[0] << " -h to see how to change these parameters." << endl;
return EXIT_SUCCESS;
} catch (const vpException &e) {
std::cout << "Catch a ViSP exception: " << e.getStringMessage() << std::endl;
return EXIT_FAILURE;
}
}