Example #1
0
/*
 * call-seq:
 *     Message.to_h => {}
 *
 * Returns the message as a Ruby Hash object, with keys as symbols.
 */
VALUE Message_to_h(VALUE _self) {
  MessageHeader* self;
  VALUE hash;
  upb_msg_field_iter it;
  TypedData_Get_Struct(_self, MessageHeader, &Message_type, self);

  hash = rb_hash_new();

  for (upb_msg_field_begin(&it, self->descriptor->msgdef);
       !upb_msg_field_done(&it);
       upb_msg_field_next(&it)) {
    const upb_fielddef* field = upb_msg_iter_field(&it);

    // For proto2, do not include fields which are not set.
    if (upb_msgdef_syntax(self->descriptor->msgdef) == UPB_SYNTAX_PROTO2 &&
	field_contains_hasbit(self->descriptor->layout, field) &&
	!layout_has(self->descriptor->layout, Message_data(self), field)) {
      continue;
    }

    VALUE msg_value = layout_get(self->descriptor->layout, Message_data(self),
                                 field);
    VALUE msg_key   = ID2SYM(rb_intern(upb_fielddef_name(field)));
    if (is_map_field(field)) {
      msg_value = Map_to_h(msg_value);
    } else if (upb_fielddef_label(field) == UPB_LABEL_REPEATED) {
      msg_value = RepeatedField_to_ary(msg_value);
      if (upb_msgdef_syntax(self->descriptor->msgdef) == UPB_SYNTAX_PROTO2 &&
          RARRAY_LEN(msg_value) == 0) {
        continue;
      }

      if (upb_fielddef_type(field) == UPB_TYPE_MESSAGE) {
        for (int i = 0; i < RARRAY_LEN(msg_value); i++) {
          VALUE elem = rb_ary_entry(msg_value, i);
          rb_ary_store(msg_value, i, Message_to_h(elem));
        }
      }

    } else if (msg_value != Qnil &&
               upb_fielddef_type(field) == UPB_TYPE_MESSAGE) {
      msg_value = Message_to_h(msg_value);
    }
    rb_hash_aset(hash, msg_key, msg_value);
  }
  return hash;
}
Example #2
0
/*
 * call-seq:
 *     Map.to_h => {}
 *
 * Returns a Ruby Hash object containing all the values within the map
 */
VALUE Map_to_h(VALUE _self) {
  Map* self = ruby_to_Map(_self);
  VALUE hash = rb_hash_new();
  upb_strtable_iter it;
  for (upb_strtable_begin(&it, &self->table);
       !upb_strtable_done(&it);
       upb_strtable_next(&it)) {
    VALUE key = table_key_to_ruby(
        self, upb_strtable_iter_key(&it), upb_strtable_iter_keylength(&it));
    upb_value v = upb_strtable_iter_value(&it);
    void* mem = value_memory(&v);
    VALUE value = native_slot_get(self->value_type,
                                  self->value_type_class,
                                  mem);

    if (self->value_type == UPB_TYPE_MESSAGE) {
      value = Message_to_h(value);
    }
    rb_hash_aset(hash, key, value);
  }
  return hash;
}