COIN-OR::LEMON - Graph Library

source: lemon-0.x/demo/arg_parser_demo.cc @ 2391:14a343be7a5a

Last change on this file since 2391:14a343be7a5a was 2391:14a343be7a5a, checked in by Alpar Juttner, 13 years ago

Happy New Year to all source files!

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.option("n", "an integer input", i, true)
31    .option("val", "a double input", d)
32    .synonym("vals","val")
33    .option("name", "a string input", s)
34    .option("f", "a switch", b)
35    .option("nohelp", "", sil)
36    .option("gra","Choise A",g1)
37    .option("grb","Choise B",g2)
38    .option("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}
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