COIN-OR::LEMON - Graph Library

source: lemon-0.x/demo/arg_parser_demo.cc @ 2410:fe46b61da4e3

Last change on this file since 2410:fe46b61da4e3 was 2402:da8eb8f4ea41, checked in by Alpar Juttner, 17 years ago

An improved version of ArgParser?: You don't need to give an explicit storage
for each option.
TODO: Documentation must be updated

File size: 2.1 KB
Line 
1/* -*- C++ -*-
2 *
3 * This file is a part of LEMON, a generic C++ optimization library
4 *
5 * Copyright (C) 2003-2007
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#include <lemon/arg_parser.h>
20
21using namespace lemon;
22int main(int argc, char **argv)
23{
24  ArgParser ap(argc,argv);
25  int i;
26  std::string s;
27  double d;
28  bool b,sil;
29  bool g1,g2,g3;
30  ap.refOption("n", "an integer input", i, true)
31    .refOption("val", "a double input", d)
32    .synonym("vals","val")
33    .refOption("name", "a string input", s)
34    .refOption("f", "a switch", b)
35    .refOption("nohelp", "", sil)
36    .refOption("gra","Choise A",g1)
37    .refOption("grb","Choise B",g2)
38    .refOption("grc","Choise C",g3)
39    .optionGroup("gr","gra")
40    .optionGroup("gr","grb")
41    .optionGroup("gr","grc")
42    .mandatoryGroup("gr")
43    .onlyOneGroup("gr")
44    .other("infile","The input file")
45    .other("...");
46 
47  ap.parse();
48
49  std::cout << "Parameters of '" << ap.commandName() << "':\n";
50
51  if(ap.given("n")) std::cout << "  Value of -n: " << i << std::endl;
52  if(ap.given("val")) std::cout << "  Value of -val: " << d << std::endl;
53  if(ap.given("name")) std::cout << "  Value of -name: " << s << std::endl;
54  if(ap.given("f")) std::cout << "  -f is given\n";
55  if(ap.given("nohelp")) std::cout << "  Value of -nohelp: " << sil << std::endl;
56
57  switch(ap.files().size()) {
58  case 0:
59    std::cout << "  No file argument was given.\n";
60    break;
61  case 1:
62    std::cout << "  1 file argument was given. It is:\n";
63    break;
64  default:
65    std::cout << "  "
66              << ap.files().size() << " file arguments were given. They are:\n";
67  }
68  for(unsigned int i=0;i<ap.files().size();++i)
69    std::cout << "    '" << ap.files()[i] << "'\n";
70 
71}
Note: See TracBrowser for help on using the repository browser.