src/app/Arguments.cpp

   1 /*
   2  * Arguments.cpp
   3  *
   4  *  Created on: Sep 15, 2012
   5  *      Author: holy
   6  */
   7
   8 #include "Arguments.h"
   9
  10 #include <stdexcept>
  11 #include <string>
  12
  13 namespace app {
  14
  15 Arguments::Arguments()
  16 : outfile(0)
  17 , dump(false) {
  18
  19 }
  20
  21
  22 void Arguments::Read(int argc, char **argv) {
  23         for (int i(1); i < argc; ++i) {
  24                 char *arg(argv[i]);
  25                 if (arg[0] == '-') {
  26                         switch (arg[1]) {
  27                                 case 'd':
  28                                         dump = true;
  29                                         break;
  30                                 case 'o':
  31                                         if (i + 1 >= argc) {
  32                                                 throw std::runtime_error("missing argument to -o");
  33                                         }
  34                                         ++i;
  35                                         outfile = argv[i];
  36                                         break;
  37                                 default:
  38                                         throw std::runtime_error(std::string("unknown option ") + arg[1]);
  39                                         break;
  40                         }
  41                 } else {
  42                         infiles.push_back(arg);
  43                 }
  44         }
  45 }
  46
  47 Arguments::RunLevel Arguments::DetectRunLevel() const {
  48         if (dump) {
  49                 return DUMP;
  50         } else if (outfile) {
  51                 return WRITE;
  52         } else {
  53                 return PLAY;
  54         }
  55 }
  56
  57 }