Cleanup: remove private babeltrace.h
[babeltrace.git] / src / ctf-writer / visitor.c
1 /*
2 * visitor.c
3 *
4 * Babeltrace CTF writer - 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 <babeltrace2/ctf-writer/object.h>
30
31 #include "common/macros.h"
32
33 #include "visitor.h"
34
35 BT_HIDDEN
36 int bt_ctf_visitor_helper(struct bt_ctf_visitor_object *root,
37 bt_ctf_child_count_accessor child_counter,
38 bt_ctf_child_accessor child_accessor,
39 bt_ctf_child_visitor child_visitor,
40 bt_ctf_visitor visitor,
41 void *data)
42 {
43 int ret, child_count, i;
44
45 ret = visitor(root, data);
46 if (ret) {
47 goto end;
48 }
49
50 child_count = child_counter(root->object);
51 if (child_count < 0) {
52 ret = child_count;
53 goto end;
54 }
55
56 for (i = 0; i < child_count; i++) {
57 void *child;
58
59 child = child_accessor(root->object, i);
60 if (!child) {
61 ret = -1;
62 goto end;
63 }
64 ret = child_visitor(child, visitor, data);
65 BT_CTF_OBJECT_PUT_REF_AND_RESET(child);
66 if (ret) {
67 goto end;
68 }
69 }
70 end:
71 return ret;
72 }
73
74 enum bt_ctf_visitor_object_type bt_ctf_visitor_object_get_type(
75 struct bt_ctf_visitor_object *object)
76 {
77 enum bt_ctf_visitor_object_type ret = BT_CTF_VISITOR_OBJECT_TYPE_UNKNOWN;
78
79 if (!object) {
80 goto end;
81 }
82
83 ret = object->type;
84 end:
85 return ret;
86 }
87
88 void *bt_ctf_visitor_object_get_object(struct bt_ctf_visitor_object *object)
89 {
90 void *ret = NULL;
91
92 if (!object) {
93 goto end;
94 }
95
96 ret = object->object;
97 end:
98 return ret;
99 }
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