// local helper class
class opt_helper {
public:
+ template <typename T>
+ static bool parse_arg(char opt, const char *arg, T& val);
static const char* on_off(bool b);
const char* descr(const char* str);
template <typename T>
} // namespace
+template <typename T>
+bool opt_helper::parse_arg(char opt, const char *arg, T& val)
+{
+ std::istringstream str(arg);
+ bool result = (str >> val) && str.eof();
+ if (!result)
+ XBT_ERROR("invalid argument for option '-%c' -- \"%s\"", opt, arg);
+ return result;
+}
+
const char* opt_helper::on_off(bool b)
{
return b ? "on" : "off";
opt::program_name = argv[0];
opt::program_name.erase(0, 1 + opt::program_name.find_last_of('/'));
+
+#define PARSE_ARG(x) result = opt_helper::parse_arg(c, optarg, (x)) && result
int c;
opterr = 0;
opt::help_requested++;
break;
case 'c':
- opt::comp_cost = cost_func(optarg);
+ try {
+ opt::comp_cost = cost_func(optarg);
+ } catch (...) {
+ XBT_ERROR("invalid argument for option '-%c' -- \"%s\"", c, optarg);
+ result = false;
+ }
break;
case 'C':
- opt::comm_cost = cost_func(optarg);
+ try {
+ opt::comm_cost = cost_func(optarg);
+ } catch (...) {
+ XBT_ERROR("invalid argument for option '-%c' -- \"%s\"", c, optarg);
+ result = false;
+ }
break;
case 'i':
- std::istringstream(optarg) >> opt::lb_maxiter;
+ PARSE_ARG(opt::lb_maxiter);
break;
case 'I':
- std::istringstream(optarg) >> opt::comp_maxiter;
+ PARSE_ARG(opt::comp_maxiter);
break;
case 'l':
- std::istringstream(optarg) >> opt::log_rate;
+ PARSE_ARG(opt::log_rate);
break;
case 'L':
- std::istringstream(optarg) >> opt::auto_depl::load;
+ PARSE_ARG(opt::auto_depl::load);
break;
case 'N':
- std::istringstream(optarg) >> opt::auto_depl::nhosts;
+ PARSE_ARG(opt::auto_depl::nhosts);
break;
case 's':
- std::istringstream(optarg) >> opt::min_lb_iter_duration;
+ PARSE_ARG(opt::min_lb_iter_duration);
break;
case 'S':
- std::istringstream(optarg) >> opt::min_comp_iter_duration;
+ PARSE_ARG(opt::min_comp_iter_duration);
break;
case 't':
- std::istringstream(optarg) >> opt::time_limit;
+ PARSE_ARG(opt::time_limit);
break;
case 'T':
opt::auto_depl::topology = optarg;
}
}
+#undef PARSE_ARG
+
if (opt::version_requested || opt::help_requested)
return 1;