options.cpp

   1 /* $Id$
   2
   3 This file is part of R²C²
   4 Copyright © 2010  Mikkosoft Productions, Mikko Rasa
   5 Distributed under the GPL
   6 */
   7
   8 #include <msp/core/getopt.h>
   9 #include <msp/fs/utils.h>
  10 #include <msp/strings/lexicalcast.h>
  11 #include <msp/strings/regex.h>
  12 #include "options.h"
  13
  14 using namespace std;
  15 using namespace Msp;
  16
  17 Options::Options(int argc, char **argv):
  18         screen_w(1280),
  19         screen_h(960),
  20         fullscreen(false),
  21         debug(false),
  22         network(false),
  23         simulate(false)
  24 {
  25         string res;
  26
  27         GetOpt getopt;
  28         getopt.add_option('r', "resolution",  res,         GetOpt::REQUIRED_ARG);
  29         getopt.add_option('f', "fullscreen",  fullscreen,  GetOpt::NO_ARG);
  30         getopt.add_option('g', "debug",       debug,       GetOpt::NO_ARG);
  31         getopt.add_option('d', "driver",      driver,      GetOpt::REQUIRED_ARG);
  32         getopt.add_option('s', "simulate",    simulate,    GetOpt::NO_ARG);
  33         getopt.add_option('n', "network",     network,     GetOpt::NO_ARG);
  34         getopt.add_option(     "state",       state_fn,    GetOpt::REQUIRED_ARG);
  35         getopt(argc, argv);
  36
  37         if(!res.empty())
  38         {
  39                 if(RegMatch m=Regex("([1-9][0-9]*)x([1-9][0-9]*)").match(res))
  40                 {
  41                         screen_w = lexical_cast<unsigned>(m[1].str);
  42                         screen_h = lexical_cast<unsigned>(m[2].str);
  43                 }
  44                 else
  45                         throw UsageError("Invalid resolution");
  46         }
  47
  48         const vector<string> &args = getopt.get_args();
  49         if(args.empty())
  50                 throw UsageError("No layout given");
  51
  52         layout_fn = args[0];
  53
  54         if(state_fn.empty())
  55                 state_fn = FS::basepart(layout_fn)+".state";
  56 }