| 1 | /* |
| 2 | * The MIT License (MIT) |
| 3 | * |
| 4 | * Copyright (c) 2016 Philippe Proulx <pproulx@efficios.com> |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
| 24 | |
| 25 | struct bt_value_map_get_keys_data { |
| 26 | struct bt_value *keys; |
| 27 | }; |
| 28 | |
| 29 | static int bt_value_map_get_keys_cb(const char *key, const struct bt_value *object, void *data) |
| 30 | { |
| 31 | bt_value_array_append_element_status status; |
| 32 | struct bt_value_map_get_keys_data *priv_data = data; |
| 33 | |
| 34 | status = bt_value_array_append_string_element(priv_data->keys, key); |
| 35 | if (status != __BT_FUNC_STATUS_OK) { |
| 36 | return BT_FALSE; |
| 37 | } |
| 38 | |
| 39 | return BT_TRUE; |
| 40 | } |
| 41 | |
| 42 | static struct bt_value *bt_value_map_get_keys(const struct bt_value *map_obj) |
| 43 | { |
| 44 | bt_value_map_foreach_entry_const_status status; |
| 45 | struct bt_value_map_get_keys_data data; |
| 46 | |
| 47 | data.keys = bt_value_array_create(); |
| 48 | if (!data.keys) { |
| 49 | return NULL; |
| 50 | } |
| 51 | |
| 52 | status = bt_value_map_foreach_entry_const(map_obj, bt_value_map_get_keys_cb, |
| 53 | &data); |
| 54 | if (status != __BT_FUNC_STATUS_OK) { |
| 55 | goto error; |
| 56 | } |
| 57 | |
| 58 | goto end; |
| 59 | |
| 60 | error: |
| 61 | if (data.keys) { |
| 62 | BT_VALUE_PUT_REF_AND_RESET(data.keys); |
| 63 | } |
| 64 | |
| 65 | end: |
| 66 | return data.keys; |
| 67 | } |