Beispiel #1
0
/*
 *  call-seq:
 *     struct[symbol]    -> anObject
 *     struct[fixnum]    -> anObject
 *
 *  Attribute Reference---Returns the value of the instance variable
 *  named by <i>symbol</i>, or indexed (0..length-1) by
 *  <i>fixnum</i>. Will raise <code>NameError</code> if the named
 *  variable does not exist, or <code>IndexError</code> if the index is
 *  out of range.
 *
 *     Customer = Struct.new(:name, :address, :zip)
 *     joe = Customer.new("Joe Smith", "123 Maple, Anytown NC", 12345)
 *
 *     joe["name"]   #=> "Joe Smith"
 *     joe[:name]    #=> "Joe Smith"
 *     joe[0]        #=> "Joe Smith"
 */
static mrb_value
mrb_struct_aref(mrb_state *mrb, mrb_value s)
{
  mrb_value idx;

  mrb_get_args(mrb, "o", &idx);
  if (mrb_string_p(idx)) {
    mrb_value sym = mrb_check_intern_str(mrb, idx);

    if (mrb_nil_p(sym)) {
      mrb_name_error(mrb, mrb_intern_str(mrb, idx), "no member '%S' in struct", idx);
    }
    idx = sym;
  }
  if (mrb_symbol_p(idx)) {
    return struct_aref_sym(mrb, s, mrb_symbol(idx));
  }
  return struct_aref_int(mrb, s, mrb_int(mrb, idx));
}
Beispiel #2
0
static mrb_value
mrb_struct_ref(mrb_state *mrb, mrb_value obj)
{
  return struct_aref_sym(mrb, obj, mrb->c->ci->mid);
}