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1 | #ifndef BABELTRACE_CTF_IR_VISITOR_H |
2 | #define BABELTRACE_CTF_IR_VISITOR_H | |
3 | ||
4 | /* | |
5 | * BabelTrace - CTF IR: Visitor | |
6 | * | |
7 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
8 | * | |
9 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
10 | * | |
11 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
12 | * of this software and associated documentation files (the "Software"), to deal | |
13 | * in the Software without restriction, including without limitation the rights | |
14 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
15 | * copies of the Software, and to permit persons to whom the Software is | |
16 | * furnished to do so, subject to the following conditions: | |
17 | * | |
18 | * The above copyright notice and this permission notice shall be included in | |
19 | * all copies or substantial portions of the Software. | |
20 | * | |
21 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
22 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
23 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
24 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
25 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
26 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
27 | * SOFTWARE. | |
28 | * | |
29 | * The Common Trace Format (CTF) Specification is available at | |
30 | * http://www.efficios.com/ctf | |
31 | */ | |
32 | ||
33 | #ifdef __cplusplus | |
34 | extern "C" { | |
35 | #endif | |
36 | ||
37 | struct bt_ctf_ir_element; | |
38 | ||
39 | enum bt_ctf_ir_type { | |
40 | BT_CTF_IR_TYPE_UNKNOWN = -1, | |
41 | BT_CTF_IR_TYPE_TRACE = 0, | |
42 | BT_CTF_IR_TYPE_STREAM_CLASS = 1, | |
43 | BT_CTF_IR_TYPE_STREAM = 2, | |
44 | BT_CTF_IR_TYPE_EVENT_CLASS = 3, | |
45 | BT_CTF_IR_TYPE_EVENT = 4, | |
46 | BT_CTF_IR_TYPE_NR, | |
47 | }; | |
48 | ||
49 | typedef int (*bt_ctf_ir_visitor)(struct bt_ctf_ir_element *element, | |
50 | void *data); | |
51 | ||
52 | /* | |
53 | * bt_ctf_ir_element_get_type: get an IR element's type. | |
54 | * | |
55 | * Get an IR element's type. | |
56 | * | |
57 | * @param element Element instance. | |
58 | * | |
59 | * Returns one of #bt_ctf_ir_type. | |
60 | */ | |
61 | enum bt_ctf_ir_type bt_ctf_ir_element_get_type( | |
62 | struct bt_ctf_ir_element *element); | |
63 | ||
64 | /* | |
65 | * bt_ctf_ir_element_get_element: get an IR element's value. | |
66 | * | |
67 | * Get an IR element's value. | |
68 | * | |
69 | * @param element Element instance. | |
70 | * | |
71 | * Returns a CTF-IR type. Use #bt_ctf_ir_type to determine the | |
72 | * concrete type of the value returned. | |
73 | */ | |
74 | void *bt_ctf_ir_element_get_element(struct bt_ctf_ir_element *element); | |
75 | ||
76 | #ifdef __cplusplus | |
77 | } | |
78 | #endif | |
79 | ||
80 | #endif /* BABELTRACE_CTF_IR_VISITOR_H */ |