COIN-OR::LEMON - Graph Library

source: lemon-1.0/demo/arg_parser_demo.cc @ 88:18444049848b

Last change on this file since 88:18444049848b was 88:18444049848b, checked in by Peter Kovacs <kpeter@…>, 12 years ago

Minor improvements in arg_parser files

File size: 2.5 KB
RevLine 
[85]1/* -*- C++ -*-
2 *
3 * This file is a part of LEMON, a generic C++ optimization library
4 *
5 * Copyright (C) 2003-2008
6 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 *
9 * Permission to use, modify and distribute this software is granted
10 * provided that this copyright notice appears in all copies. For
11 * precise terms see the accompanying LICENSE file.
12 *
13 * This software is provided "AS IS" with no warranty of any kind,
14 * express or implied, and with no claim as to its suitability for any
15 * purpose.
16 *
17 */
18
19///\ingroup demos
20///\file
21///\brief Argument parser demo
22///
[88]23/// This example shows how the argument parser can be used.
[85]24///
[88]25/// \include arg_parser_demo.cc
[85]26
27#include <lemon/arg_parser.h>
28
29using namespace lemon;
30int main(int argc, const char **argv)
31{
32  ArgParser ap(argc,argv);
33  int i;
34  std::string s;
35  double d;
36  bool b,sil;
37  bool g1,g2,g3;
[88]38  ap.refOption("n", "An integer input.", i, true)
39    .refOption("val", "A double input.", d)
[85]40    .synonym("vals","val")
[88]41    .refOption("name", "A string input.", s)
42    .refOption("f", "A switch.", b)
[85]43    .refOption("nohelp", "", sil)
[88]44    .refOption("gra","Choice A",g1)
45    .refOption("grb","Choice B",g2)
46    .refOption("grc","Choice C",g3)
[85]47    .optionGroup("gr","gra")
48    .optionGroup("gr","grb")
49    .optionGroup("gr","grc")
50    .mandatoryGroup("gr")
51    .onlyOneGroup("gr")
[88]52    .other("infile","The input file.")
[85]53    .other("...");
54 
55  ap.parse();
56
57  std::cout << "Parameters of '" << ap.commandName() << "':\n";
58
59  if(ap.given("n")) std::cout << "  Value of -n: " << i << std::endl;
60  if(ap.given("val")) std::cout << "  Value of -val: " << d << std::endl;
61  if(ap.given("name")) std::cout << "  Value of -name: " << s << std::endl;
62  if(ap.given("f")) std::cout << "  -f is given\n";
63  if(ap.given("nohelp")) std::cout << "  Value of -nohelp: " << sil << std::endl;
[88]64  if(ap.given("gra")) std::cout << "  -gra is given\n";
65  if(ap.given("grb")) std::cout << "  -grb is given\n";
66  if(ap.given("grc")) std::cout << "  -grc is given\n";
67                                     
[85]68  switch(ap.files().size()) {
69  case 0:
70    std::cout << "  No file argument was given.\n";
71    break;
72  case 1:
73    std::cout << "  1 file argument was given. It is:\n";
74    break;
75  default:
76    std::cout << "  "
77              << ap.files().size() << " file arguments were given. They are:\n";
78  }
79  for(unsigned int i=0;i<ap.files().size();++i)
80    std::cout << "    '" << ap.files()[i] << "'\n";
81 
82}
Note: See TracBrowser for help on using the repository browser.