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>
17 #include "common/assert.h"
20 #include "field-class.h"
21 #include "field-path.h"
24 void destroy_field_path(struct bt_object
*obj
)
26 struct bt_field_path
*field_path
= (struct bt_field_path
*) obj
;
28 BT_ASSERT(field_path
);
29 BT_LIB_LOGD("Destroying field path: %!+P", field_path
);
30 g_array_free(field_path
->items
, TRUE
);
31 field_path
->items
= NULL
;
36 struct bt_field_path
*bt_field_path_create(void)
38 struct bt_field_path
*field_path
= NULL
;
40 BT_LOGD_STR("Creating empty field path object.");
42 field_path
= g_new0(struct bt_field_path
, 1);
44 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one field path.");
48 bt_object_init_shared(&field_path
->base
, destroy_field_path
);
49 field_path
->items
= g_array_new(FALSE
, FALSE
,
50 sizeof(struct bt_field_path_item
));
51 if (!field_path
->items
) {
52 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GArray.");
56 BT_LIB_LOGD("Created empty field path object: %!+P", field_path
);
60 BT_OBJECT_PUT_REF_AND_RESET(field_path
);
66 enum bt_field_path_scope
bt_field_path_get_root_scope(
67 const struct bt_field_path
*field_path
)
69 BT_ASSERT_PRE_DEV_FP_NON_NULL(field_path
);
70 return field_path
->root
;
73 uint64_t bt_field_path_get_item_count(const struct bt_field_path
*field_path
)
75 BT_ASSERT_PRE_DEV_FP_NON_NULL(field_path
);
76 return (uint64_t) field_path
->items
->len
;
79 const struct bt_field_path_item
*bt_field_path_borrow_item_by_index_const(
80 const struct bt_field_path
*field_path
, uint64_t index
)
82 BT_ASSERT_PRE_DEV_FP_NON_NULL(field_path
);
83 BT_ASSERT_PRE_DEV_VALID_INDEX(index
, field_path
->items
->len
);
84 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
;
95 uint64_t bt_field_path_item_index_get_index(
96 const struct bt_field_path_item
*field_path_item
)
98 BT_ASSERT_PRE_DEV_NON_NULL("field-path-item", field_path_item
,
100 BT_ASSERT_PRE_DEV("is-index-field-path-item",
101 field_path_item
->type
== BT_FIELD_PATH_ITEM_TYPE_INDEX
,
102 "Field path item is not an index field path item: "
103 "addr=%p, type=%s", field_path_item
,
104 bt_field_path_item_type_string(field_path_item
->type
));
105 return field_path_item
->index
;
108 void bt_field_path_get_ref(const struct bt_field_path
*field_path
)
110 bt_object_get_ref(field_path
);
113 void bt_field_path_put_ref(const struct bt_field_path
*field_path
)
115 bt_object_put_ref(field_path
);