4 * Babeltrace CTF IR - Field path
6 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 * Copyright 2016 Philippe Proulx <pproulx@efficios.com>
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10 * of this software and associated documentation files (the "Software"), to deal
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14 * furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice shall be included in
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28 #define BT_LOG_TAG "FIELD-PATH"
29 #include <babeltrace/lib-logging-internal.h>
31 #include <babeltrace/ctf-ir/field-types.h>
32 #include <babeltrace/ctf-ir/field-path-internal.h>
33 #include <babeltrace/ctf-ir/field-path.h>
40 void field_path_destroy(struct bt_object
*obj
)
42 struct bt_ctf_field_path
*field_path
= (struct bt_ctf_field_path
*) obj
;
44 BT_LOGD("Destroying field path: addr=%p", obj
);
50 if (field_path
->indexes
) {
51 g_array_free(field_path
->indexes
, TRUE
);
57 struct bt_ctf_field_path
*bt_ctf_field_path_create(void)
59 struct bt_ctf_field_path
*field_path
= NULL
;
61 BT_LOGD_STR("Creating empty field path object.");
63 field_path
= g_new0(struct bt_ctf_field_path
, 1);
65 BT_LOGE_STR("Failed to allocate one field path.");
69 bt_object_init(field_path
, field_path_destroy
);
70 field_path
->root
= BT_CTF_SCOPE_UNKNOWN
;
71 field_path
->indexes
= g_array_new(TRUE
, FALSE
, sizeof(int));
72 if (!field_path
->indexes
) {
73 BT_LOGE_STR("Failed to allocate a GArray.");
77 BT_LOGD("Created empty field path object: addr=%p", field_path
);
86 void bt_ctf_field_path_clear(struct bt_ctf_field_path
*field_path
)
88 if (field_path
->indexes
->len
> 0) {
89 g_array_remove_range(field_path
->indexes
, 0,
90 field_path
->indexes
->len
);
95 struct bt_ctf_field_path
*bt_ctf_field_path_copy(
96 struct bt_ctf_field_path
*path
)
98 struct bt_ctf_field_path
*new_path
;
101 BT_LOGD("Copying field path: addr=%p, index-count=%u",
102 path
, path
->indexes
->len
);
103 new_path
= bt_ctf_field_path_create();
105 BT_LOGE_STR("Cannot create empty field path.");
109 new_path
->root
= path
->root
;
110 g_array_insert_vals(new_path
->indexes
, 0,
111 path
->indexes
->data
, path
->indexes
->len
);
112 BT_LOGD("Copied field path: original-addr=%p, copy-addr=%p",
118 enum bt_ctf_scope
bt_ctf_field_path_get_root_scope(
119 const struct bt_ctf_field_path
*field_path
)
121 enum bt_ctf_scope scope
= BT_CTF_SCOPE_UNKNOWN
;
124 BT_LOGW_STR("Invalid parameter: field path is NULL.");
128 scope
= field_path
->root
;
134 int64_t bt_ctf_field_path_get_index_count(
135 const struct bt_ctf_field_path
*field_path
)
137 int64_t count
= (int64_t) -1;
140 BT_LOGW_STR("Invalid parameter: field path is NULL.");
144 count
= (int64_t) field_path
->indexes
->len
;
150 int bt_ctf_field_path_get_index(const struct bt_ctf_field_path
*field_path
,
156 BT_LOGW_STR("Invalid parameter: field path is NULL.");
160 if (index
>= field_path
->indexes
->len
) {
161 BT_LOGW("Invalid parameter: index is out of bounds: "
162 "addr=%p, index=%" PRIu64
", count=%u",
163 field_path
, index
, field_path
->indexes
->len
);
167 ret
= g_array_index(field_path
->indexes
, int, index
);
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