COIN-OR::LEMON - Graph Library

source: lemon-1.0/demo/arg_parser_demo.cc @ 137:483bc6ed7292

Last change on this file since 137:483bc6ed7292 was 137:483bc6ed7292, checked in by Alpar Juttner <alpar@…>, 13 years ago

Backout some rubbish from chageset 7cd965d2257f

File size: 2.5 KB
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[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)
[128]40    .doubleOption("val2", "A double input.", d)
[85]41    .synonym("vals","val")
[88]42    .refOption("name", "A string input.", s)
43    .refOption("f", "A switch.", b)
[85]44    .refOption("nohelp", "", sil)
[88]45    .refOption("gra","Choice A",g1)
46    .refOption("grb","Choice B",g2)
47    .refOption("grc","Choice C",g3)
[85]48    .optionGroup("gr","gra")
[137]49    .optionGroup("gr","grb")
[85]50    .optionGroup("gr","grc")
51    .mandatoryGroup("gr")
52    .onlyOneGroup("gr")
[88]53    .other("infile","The input file.")
[85]54    .other("...");
55 
56  ap.parse();
57
58  std::cout << "Parameters of '" << ap.commandName() << "':\n";
59
60  if(ap.given("n")) std::cout << "  Value of -n: " << i << std::endl;
61  if(ap.given("val")) std::cout << "  Value of -val: " << d << std::endl;
62  if(ap.given("name")) std::cout << "  Value of -name: " << s << std::endl;
63  if(ap.given("f")) std::cout << "  -f is given\n";
64  if(ap.given("nohelp")) std::cout << "  Value of -nohelp: " << sil << std::endl;
[88]65  if(ap.given("gra")) std::cout << "  -gra is given\n";
66  if(ap.given("grb")) std::cout << "  -grb is given\n";
67  if(ap.given("grc")) std::cout << "  -grc is given\n";
68                                     
[85]69  switch(ap.files().size()) {
70  case 0:
71    std::cout << "  No file argument was given.\n";
72    break;
73  case 1:
74    std::cout << "  1 file argument was given. It is:\n";
75    break;
76  default:
77    std::cout << "  "
78              << ap.files().size() << " file arguments were given. They are:\n";
79  }
80  for(unsigned int i=0;i<ap.files().size();++i)
81    std::cout << "    '" << ap.files()[i] << "'\n";
82 
83}
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