Move to kernel style SPDX license identifiers
[babeltrace.git] / src / lib / trace-ir / field-path.c
CommitLineData
b011f6b0 1/*
0235b0db
MJ
2 * SPDX-License-Identifier: MIT
3 *
e2f7325d 4 * Copyright 2016-2018 Philippe Proulx <pproulx@efficios.com>
b011f6b0 5 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
b011f6b0
PP
6 */
7
350ad6c1 8#define BT_LOG_TAG "LIB/FIELD-PATH"
c2d9d9cf 9#include "lib/logging.h"
1e6cfa95 10
578e048b 11#include "lib/assert-pre.h"
3fadfbc0 12#include <babeltrace2/trace-ir/field-class.h>
43c59509 13#include <babeltrace2/trace-ir/field-path.h>
b011f6b0 14#include <limits.h>
544d0515 15#include <stdint.h>
1e6cfa95 16#include <inttypes.h>
578e048b 17#include "common/assert.h"
b011f6b0
PP
18#include <glib.h>
19
578e048b
MJ
20#include "field-class.h"
21#include "field-path.h"
22
b011f6b0 23static
44c440bc 24void destroy_field_path(struct bt_object *obj)
b011f6b0 25{
50842bdc 26 struct bt_field_path *field_path = (struct bt_field_path *) obj;
b011f6b0 27
44c440bc
PP
28 BT_ASSERT(field_path);
29 BT_LIB_LOGD("Destroying field path: %!+P", field_path);
66ddcddf
PP
30 g_array_free(field_path->items, TRUE);
31 field_path->items = NULL;
b011f6b0
PP
32 g_free(field_path);
33}
34
35BT_HIDDEN
50842bdc 36struct bt_field_path *bt_field_path_create(void)
b011f6b0 37{
50842bdc 38 struct bt_field_path *field_path = NULL;
b011f6b0 39
1e6cfa95
PP
40 BT_LOGD_STR("Creating empty field path object.");
41
50842bdc 42 field_path = g_new0(struct bt_field_path, 1);
b011f6b0 43 if (!field_path) {
870631a2 44 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one field path.");
b011f6b0
PP
45 goto error;
46 }
47
44c440bc 48 bt_object_init_shared(&field_path->base, destroy_field_path);
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PP
49 field_path->items = g_array_new(FALSE, FALSE,
50 sizeof(struct bt_field_path_item));
51 if (!field_path->items) {
870631a2 52 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GArray.");
b011f6b0
PP
53 goto error;
54 }
55
44c440bc
PP
56 BT_LIB_LOGD("Created empty field path object: %!+P", field_path);
57 goto end;
b011f6b0
PP
58
59error:
65300d60 60 BT_OBJECT_PUT_REF_AND_RESET(field_path);
b011f6b0 61
b011f6b0 62end:
44c440bc 63 return field_path;
b011f6b0
PP
64}
65
e7ceb9df 66enum bt_field_path_scope bt_field_path_get_root_scope(
40f4ba76 67 const struct bt_field_path *field_path)
b011f6b0 68{
bdb288b3 69 BT_ASSERT_PRE_DEV_NON_NULL(field_path, "Field path");
44c440bc 70 return field_path->root;
b011f6b0
PP
71}
72
66ddcddf 73uint64_t bt_field_path_get_item_count(const struct bt_field_path *field_path)
b011f6b0 74{
bdb288b3 75 BT_ASSERT_PRE_DEV_NON_NULL(field_path, "Field path");
66ddcddf 76 return (uint64_t) field_path->items->len;
b011f6b0
PP
77}
78
66ddcddf 79const struct bt_field_path_item *bt_field_path_borrow_item_by_index_const(
40f4ba76 80 const struct bt_field_path *field_path, uint64_t index)
b011f6b0 81{
bdb288b3
PP
82 BT_ASSERT_PRE_DEV_NON_NULL(field_path, "Field path");
83 BT_ASSERT_PRE_DEV_VALID_INDEX(index, field_path->items->len);
66ddcddf
PP
84 return bt_field_path_borrow_item_by_index_inline(field_path, index);
85}
86
87enum bt_field_path_item_type bt_field_path_item_get_type(
88 const struct bt_field_path_item *field_path_item)
89{
bdb288b3 90 BT_ASSERT_PRE_DEV_NON_NULL(field_path_item, "Field path item");
66ddcddf
PP
91 return field_path_item->type;
92}
93
94uint64_t bt_field_path_item_index_get_index(
95 const struct bt_field_path_item *field_path_item)
96{
bdb288b3
PP
97 BT_ASSERT_PRE_DEV_NON_NULL(field_path_item, "Field path item");
98 BT_ASSERT_PRE_DEV(field_path_item->type == BT_FIELD_PATH_ITEM_TYPE_INDEX,
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PP
99 "Field path item is not an index field path item: "
100 "addr=%p, type=%s", field_path_item,
101 bt_field_path_item_type_string(field_path_item->type));
102 return field_path_item->index;
b011f6b0 103}
c5b9b441
PP
104
105void bt_field_path_get_ref(const struct bt_field_path *field_path)
106{
107 bt_object_get_ref(field_path);
108}
109
110void bt_field_path_put_ref(const struct bt_field_path *field_path)
111{
112 bt_object_put_ref(field_path);
113}
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