static mrb_int getButtonArg(mrb_state *mrb)
{
mrb_int num;
mrb_value arg;
mrb_get_args(mrb, "o", &arg);
if (mrb_fixnum_p(arg))
{
num = mrb_fixnum(arg);
}
else if (mrb_symbol_p(arg) && rgssVer >= 3)
{
mrb_value symHash = getMrbData(mrb)->buttoncodeHash;
mrb_value numVal = mrb_hash_fetch(mrb, symHash, arg,
mrb_fixnum_value(Input::None));
num = mrb_fixnum(numVal);
}
else
{
// FIXME: RMXP allows only few more types that
// don't make sense (symbols in pre 3, floats)
num = 0;
}
return num;
}
static mrb_value
mrb_sce_init(mrb_state *mrb, mrb_value self)
{
mrb_value c, e2c, m, str;
mrb_int n;
int argc, no_errno = 0;
char buf[20];
argc = mrb_get_args(mrb, "o|i", &m, &n);
if (argc == 1) {
if (mrb_type(m) == MRB_TT_FIXNUM) {
n = mrb_fixnum(m);
m = mrb_nil_value();
} else {
no_errno = 1;
}
}
if (!no_errno) {
e2c = mrb_const_get(mrb, mrb_obj_value(mrb_module_get(mrb, "Errno")), mrb_intern_lit(mrb, "Errno2class"));
c = mrb_hash_fetch(mrb, e2c, mrb_fixnum_value(n), mrb_nil_value());
if (!mrb_nil_p(c)) {
mrb_basic_ptr(self)->c = mrb_class_ptr(c);
str = mrb_str_new_cstr(mrb, strerror(n));
} else {
mrb_iv_set(mrb, self, mrb_intern_lit(mrb, "errno"), mrb_fixnum_value(n));
str = mrb_str_new_cstr(mrb, "Unknown error: ");
snprintf(buf, sizeof(buf), "%d", (int)n);
mrb_str_cat2(mrb, str, buf);
}
} else {
str = mrb_str_new_cstr(mrb, "unknown error");
}
if (!mrb_nil_p(m)) {
mrb_str_cat2(mrb, str, " - ");
mrb_str_append(mrb, str, m);
}
mrb_iv_set(mrb, self, mrb_intern_lit(mrb, "mesg"), str);
return self;
}