demo/arg_parser_demo.cc
author deba
Wed, 07 Mar 2007 11:56:14 +0000
changeset 2396 658c04d74729
parent 2389 df6a32249b46
child 2402 da8eb8f4ea41
permissions -rw-r--r--
naming convention:
header sentry
     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 
    21 using namespace lemon;
    22 int 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 }