2 * SPDX-License-Identifier: MIT
4 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
5 * Copyright 2016 Philippe Proulx <pproulx@efficios.com>
7 * Babeltrace CTF writer - Field path
10 #define BT_LOG_TAG "CTF-WRITER/FIELD-PATH"
18 #include <babeltrace2-ctf-writer/field-types.h>
20 #include "common/assert.h"
22 #include "field-path.h"
23 #include "field-types.h"
26 void field_path_destroy(struct bt_ctf_object
*obj
)
28 struct bt_ctf_field_path
*field_path
= (struct bt_ctf_field_path
*) obj
;
30 BT_LOGD("Destroying field path: addr=%p", obj
);
36 if (field_path
->indexes
) {
37 g_array_free(field_path
->indexes
, TRUE
);
43 struct bt_ctf_field_path
*bt_ctf_field_path_create(void)
45 struct bt_ctf_field_path
*field_path
= NULL
;
47 BT_LOGD_STR("Creating empty field path object.");
49 field_path
= g_new0(struct bt_ctf_field_path
, 1);
51 BT_LOGE_STR("Failed to allocate one field path.");
55 bt_ctf_object_init_shared(&field_path
->base
, field_path_destroy
);
56 field_path
->root
= BT_CTF_SCOPE_UNKNOWN
;
57 field_path
->indexes
= g_array_new(TRUE
, FALSE
, sizeof(int));
58 if (!field_path
->indexes
) {
59 BT_LOGE_STR("Failed to allocate a GArray.");
63 BT_LOGD("Created empty field path object: addr=%p", field_path
);
67 BT_CTF_OBJECT_PUT_REF_AND_RESET(field_path
);
72 void bt_ctf_field_path_clear(struct bt_ctf_field_path
*field_path
)
74 if (field_path
->indexes
->len
> 0) {
75 g_array_remove_range(field_path
->indexes
, 0,
76 field_path
->indexes
->len
);
81 struct bt_ctf_field_path
*bt_ctf_field_path_copy(
82 struct bt_ctf_field_path
*path
)
84 struct bt_ctf_field_path
*new_path
;
87 BT_LOGD("Copying field path: addr=%p, index-count=%u",
88 path
, path
->indexes
->len
);
89 new_path
= bt_ctf_field_path_create();
91 BT_LOGE_STR("Cannot create empty field path.");
95 new_path
->root
= path
->root
;
96 g_array_insert_vals(new_path
->indexes
, 0,
97 path
->indexes
->data
, path
->indexes
->len
);
98 BT_LOGD("Copied field path: original-addr=%p, copy-addr=%p",
104 enum bt_ctf_scope
bt_ctf_field_path_get_root_scope(
105 const struct bt_ctf_field_path
*field_path
)
107 enum bt_ctf_scope scope
= BT_CTF_SCOPE_UNKNOWN
;
110 BT_LOGW_STR("Invalid parameter: field path is NULL.");
114 scope
= field_path
->root
;
120 int64_t bt_ctf_field_path_get_index_count(
121 const struct bt_ctf_field_path
*field_path
)
123 int64_t count
= (int64_t) -1;
126 BT_LOGW_STR("Invalid parameter: field path is NULL.");
130 count
= (int64_t) field_path
->indexes
->len
;
136 int bt_ctf_field_path_get_index(const struct bt_ctf_field_path
*field_path
,
142 BT_LOGW_STR("Invalid parameter: field path is NULL.");
146 if (index
>= field_path
->indexes
->len
) {
147 BT_LOGW("Invalid parameter: index is out of bounds: "
148 "addr=%p, index=%" PRIu64
", count=%u",
149 field_path
, index
, field_path
->indexes
->len
);
153 ret
= g_array_index(field_path
->indexes
, int, index
);
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