source/engineer/options.cpp

   1 #include <msp/core/getopt.h>
   2 #include <msp/fs/utils.h>
   3 #include <msp/strings/lexicalcast.h>
   4 #include <msp/strings/regex.h>
   5 #include "options.h"
   6
   7 using namespace std;
   8 using namespace Msp;
   9
  10 Options::Options(int argc, char **argv):
  11         screen_w(1280),
  12         screen_h(960),
  13         fullscreen(false),
  14         debug(false),
  15         network(false),
  16         simulate(false),
  17         sim_speed(1.0f)
  18 {
  19         string res;
  20
  21         GetOpt getopt;
  22         getopt.add_option('r', "resolution",  res,         GetOpt::REQUIRED_ARG);
  23         getopt.add_option('f', "fullscreen",  fullscreen,  GetOpt::NO_ARG);
  24         getopt.add_option('g', "debug",       debug,       GetOpt::NO_ARG);
  25         getopt.add_option('d', "driver",      driver,      GetOpt::REQUIRED_ARG);
  26         getopt.add_option('s', "simulate",    simulate,    GetOpt::NO_ARG);
  27         getopt.add_option(     "sim-speed",   sim_speed,   GetOpt::REQUIRED_ARG);
  28         getopt.add_option('n', "network",     network,     GetOpt::NO_ARG);
  29         getopt.add_option(     "state",       state_fn,    GetOpt::REQUIRED_ARG);
  30         getopt(argc, argv);
  31
  32         if(!res.empty())
  33         {
  34                 if(RegMatch m=Regex("([1-9][0-9]*)x([1-9][0-9]*)").match(res))
  35                 {
  36                         screen_w = lexical_cast<unsigned>(m[1].str);
  37                         screen_h = lexical_cast<unsigned>(m[2].str);
  38                 }
  39                 else
  40                         throw usage_error("Invalid resolution");
  41         }
  42
  43         const vector<string> &args = getopt.get_args();
  44         if(args.empty())
  45                 throw usage_error("No layout given");
  46
  47         layout_fn = args[0];
  48
  49         if(state_fn.empty())
  50                 state_fn = FS::basepart(layout_fn)+".state";
  51 }