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8bf65fbd JG |
1 | /* |
2 | * visitor.c | |
3 | * | |
4 | * Babeltrace CTF IR - Visitor | |
5 | * | |
6 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
7 | * | |
8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
9 | * | |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
29 | #include <babeltrace/ctf-ir/visitor-internal.h> | |
30 | #include <babeltrace/ref.h> | |
31 | ||
32 | BT_HIDDEN | |
d9a13d86 | 33 | int visitor_helper(struct bt_ctf_object *root, |
8bf65fbd JG |
34 | bt_child_count_accessor child_counter, |
35 | bt_child_accessor child_accessor, | |
36 | bt_child_visitor child_visitor, | |
d9a13d86 | 37 | bt_ctf_visitor visitor, |
8bf65fbd JG |
38 | void *data) |
39 | { | |
40 | int ret, child_count, i; | |
41 | ||
42 | ret = visitor(root, data); | |
43 | if (ret) { | |
44 | goto end; | |
45 | } | |
46 | ||
d9a13d86 | 47 | child_count = child_counter(root->object); |
8bf65fbd JG |
48 | if (child_count < 0) { |
49 | ret = child_count; | |
50 | goto end; | |
51 | } | |
52 | ||
53 | for (i = 0; i < child_count; i++) { | |
54 | void *child; | |
55 | ||
d9a13d86 | 56 | child = child_accessor(root->object, i); |
8bf65fbd JG |
57 | if (!child) { |
58 | ret = -1; | |
59 | goto end; | |
60 | } | |
61 | ret = child_visitor(child, visitor, data); | |
62 | BT_PUT(child); | |
63 | if (ret) { | |
64 | goto end; | |
65 | } | |
66 | } | |
67 | end: | |
68 | return ret; | |
69 | } | |
70 | ||
d9a13d86 | 71 | enum bt_ctf_object_type bt_ctf_object_get_type(struct bt_ctf_object *object) |
8bf65fbd | 72 | { |
d9a13d86 PP |
73 | enum bt_ctf_object_type ret = BT_CTF_OBJECT_TYPE_UNKNOWN; |
74 | ||
75 | if (!object) { | |
8bf65fbd JG |
76 | goto end; |
77 | } | |
78 | ||
d9a13d86 | 79 | ret = object->type; |
8bf65fbd JG |
80 | end: |
81 | return ret; | |
82 | } | |
83 | ||
d9a13d86 | 84 | void *bt_ctf_object_get_object(struct bt_ctf_object *object) |
8bf65fbd JG |
85 | { |
86 | void *ret = NULL; | |
87 | ||
d9a13d86 | 88 | if (!object) { |
8bf65fbd JG |
89 | goto end; |
90 | } | |
91 | ||
d9a13d86 | 92 | ret = object->object; |
8bf65fbd JG |
93 | end: |
94 | return ret; | |
95 | } |