da069c8ac3e9395b9e7ad6b4b612c2447d602daf
[babeltrace.git] / formats / ctf-text / types / variant.c
1 /*
2 * Common Trace Format
3 *
4 * Variant format access functions.
5 *
6 * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
7 *
8 * Author: Mathieu Desnoyers <mathieu.desnoyers@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
21 #include <babeltrace/ctf-text/types.h>
22 #include <stdio.h>
23
24 int ctf_text_variant_write(struct stream_pos *ppos, struct definition *definition)
25 {
26 struct ctf_text_stream_pos *pos = ctf_text_pos(ppos);
27 int field_nr_saved;
28 int ret;
29
30 if (!print_field(definition))
31 return 0;
32
33 if (!pos->dummy) {
34 if (pos->depth >= 0) {
35 if (pos->field_nr++ != 0)
36 fprintf(pos->fp, ",");
37 fprintf(pos->fp, " ");
38 if (pos->print_names)
39 fprintf(pos->fp, "%s = ",
40 rem_(g_quark_to_string(definition->name)));
41 fprintf(pos->fp, "{");
42 }
43 pos->depth++;
44 }
45 field_nr_saved = pos->field_nr;
46 pos->field_nr = 0;
47 ret = variant_rw(ppos, definition);
48 if (!pos->dummy) {
49 pos->depth--;
50 if (pos->depth >= 0) {
51 fprintf(pos->fp, " }");
52 }
53 }
54 pos->field_nr = field_nr_saved;
55 return ret;
56 }
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