5f2b0e35cd483d5e770c7d5b4a69b7a07b330204
[babeltrace.git] / src / bindings / python / bt2 / bt2 / native_bt_value.i.h
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 bt_value_map_foreach_entry_const_func_status bt_value_map_get_keys_cb(
30 const char *key, const struct bt_value *object, void *data)
31 {
32 int status;
33 struct bt_value_map_get_keys_data *priv_data = data;
34
35 status = bt_value_array_append_string_element(priv_data->keys, key);
36 BT_ASSERT(status == __BT_FUNC_STATUS_OK ||
37 status == __BT_FUNC_STATUS_MEMORY_ERROR);
38 return status;
39 }
40
41 static struct bt_value *bt_value_map_get_keys(const struct bt_value *map_obj)
42 {
43 bt_value_map_foreach_entry_const_status status;
44 struct bt_value_map_get_keys_data data;
45
46 data.keys = bt_value_array_create();
47 if (!data.keys) {
48 return NULL;
49 }
50
51 status = bt_value_map_foreach_entry_const(map_obj, bt_value_map_get_keys_cb,
52 &data);
53 if (status != __BT_FUNC_STATUS_OK) {
54 goto error;
55 }
56
57 goto end;
58
59 error:
60 if (data.keys) {
61 BT_VALUE_PUT_REF_AND_RESET(data.keys);
62 }
63
64 end:
65 return data.keys;
66 }
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