src/bindings/python/bt2/bt2/native_bt_value.i.h

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright (c) 2016 Philippe Proulx <pproulx@efficios.com>
   5  */
   6
   7 #ifndef BABELTRACE_BINDINGS_PYTHON_BT2_BT2_NATIVE_BT_VALUE_I_H
   8 #define BABELTRACE_BINDINGS_PYTHON_BT2_BT2_NATIVE_BT_VALUE_I_H
   9
  10 struct bt_value_map_get_keys_data {
  11         struct bt_value *keys;
  12 };
  13
  14 static bt_value_map_foreach_entry_const_func_status bt_value_map_get_keys_cb(
  15                 const char *key, const struct bt_value *object, void *data)
  16 {
  17         int status;
  18         struct bt_value_map_get_keys_data *priv_data = data;
  19
  20         status = bt_value_array_append_string_element(priv_data->keys, key);
  21         BT_ASSERT(status == __BT_FUNC_STATUS_OK ||
  22                 status == __BT_FUNC_STATUS_MEMORY_ERROR);
  23         return status;
  24 }
  25
  26 static struct bt_value *bt_value_map_get_keys(const struct bt_value *map_obj)
  27 {
  28         bt_value_map_foreach_entry_const_status status;
  29         struct bt_value_map_get_keys_data data;
  30
  31         data.keys = bt_value_array_create();
  32         if (!data.keys) {
  33                 return NULL;
  34         }
  35
  36         status = bt_value_map_foreach_entry_const(map_obj, bt_value_map_get_keys_cb,
  37                 &data);
  38         if (status != __BT_FUNC_STATUS_OK) {
  39                 goto error;
  40         }
  41
  42         goto end;
  43
  44 error:
  45         if (data.keys) {
  46                 BT_VALUE_PUT_REF_AND_RESET(data.keys);
  47         }
  48
  49 end:
  50         return data.keys;
  51 }
  52
  53 #endif /* BABELTRACE_BINDINGS_PYTHON_BT2_BT2_NATIVE_BT_VALUE_I_H */