2 * SPDX-License-Identifier: MIT
4 * Copyright 2016-2018 Philippe Proulx <pproulx@efficios.com>
5 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 #define BT_LOG_TAG "LIB/FIELD-PATH"
9 #include "lib/logging.h"
11 #include "lib/assert-cond.h"
12 #include <babeltrace2/trace-ir/field-class.h>
13 #include <babeltrace2/trace-ir/field-path.h>
15 #include "common/assert.h"
18 #include "field-path.h"
21 void destroy_field_path(struct bt_object
*obj
)
23 struct bt_field_path
*field_path
= (struct bt_field_path
*) obj
;
25 BT_ASSERT(field_path
);
26 BT_LIB_LOGD("Destroying field path: %!+P", field_path
);
27 g_array_free(field_path
->items
, TRUE
);
28 field_path
->items
= NULL
;
32 struct bt_field_path
*bt_field_path_create(void)
34 struct bt_field_path
*field_path
= NULL
;
36 BT_LOGD_STR("Creating empty field path object.");
38 field_path
= g_new0(struct bt_field_path
, 1);
40 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one field path.");
44 bt_object_init_shared(&field_path
->base
, destroy_field_path
);
45 field_path
->items
= g_array_new(FALSE
, FALSE
,
46 sizeof(struct bt_field_path_item
));
47 if (!field_path
->items
) {
48 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GArray.");
52 BT_LIB_LOGD("Created empty field path object: %!+P", field_path
);
56 BT_OBJECT_PUT_REF_AND_RESET(field_path
);
63 enum bt_field_path_scope
bt_field_path_get_root_scope(
64 const struct bt_field_path
*field_path
)
66 BT_ASSERT_PRE_DEV_FP_NON_NULL(field_path
);
67 return field_path
->root
;
71 uint64_t bt_field_path_get_item_count(const struct bt_field_path
*field_path
)
73 BT_ASSERT_PRE_DEV_FP_NON_NULL(field_path
);
74 return (uint64_t) field_path
->items
->len
;
78 const struct bt_field_path_item
*bt_field_path_borrow_item_by_index_const(
79 const struct bt_field_path
*field_path
, uint64_t index
)
81 BT_ASSERT_PRE_DEV_FP_NON_NULL(field_path
);
82 BT_ASSERT_PRE_DEV_VALID_INDEX(index
, field_path
->items
->len
);
83 return bt_field_path_borrow_item_by_index_inline(field_path
, index
);
87 enum bt_field_path_item_type
bt_field_path_item_get_type(
88 const struct bt_field_path_item
*field_path_item
)
90 BT_ASSERT_PRE_DEV_NON_NULL("field-path-item", field_path_item
,
92 return field_path_item
->type
;
96 uint64_t bt_field_path_item_index_get_index(
97 const struct bt_field_path_item
*field_path_item
)
99 BT_ASSERT_PRE_DEV_NON_NULL("field-path-item", field_path_item
,
101 BT_ASSERT_PRE_DEV("is-index-field-path-item",
102 field_path_item
->type
== BT_FIELD_PATH_ITEM_TYPE_INDEX
,
103 "Field path item is not an index field path item: "
104 "addr=%p, type=%s", field_path_item
,
105 bt_field_path_item_type_string(field_path_item
->type
));
106 return field_path_item
->index
;
110 void bt_field_path_get_ref(const struct bt_field_path
*field_path
)
112 bt_object_get_ref(field_path
);
116 void bt_field_path_put_ref(const struct bt_field_path
*field_path
)
118 bt_object_put_ref(field_path
);