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[babeltrace.git] / include / babeltrace / format.h
1 #ifndef _BABELTRACE_FORMAT_H
2 #define _BABELTRACE_FORMAT_H
3
4 /*
5 * BabelTrace
6 *
7 * Trace Format Header
8 *
9 * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@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
22 #include <babeltrace/types.h>
23 #include <stdint.h>
24 #include <glib.h>
25
26 struct format {
27 GQuark name;
28
29 uint64_t (*uint_read)(struct stream_pos *pos,
30 const struct type_class_integer *int_class);
31 int64_t (*int_read)(struct stream_pos *pos,
32 const struct type_class_integer *int_class);
33 void (*uint_write)(struct stream_pos *pos,
34 const struct type_class_integer *int_class,
35 uint64_t v);
36 void (*int_write)(struct stream_pos *pos,
37 const struct type_class_integer *int_class,
38 int64_t v);
39
40 void (*float_copy)(struct stream_pos *destp,
41 struct stream_pos *srcp,
42 const struct type_class_float *float_class);
43 double (*double_read)(struct stream_pos *pos,
44 const struct type_class_float *float_class);
45 void (*double_write)(struct stream_pos *pos,
46 const struct type_class_float *float_class,
47 double v);
48
49 void (*string_copy)(struct stream_pos *dest, struct stream_pos *src,
50 const struct type_class_string *string_class);
51 void (*string_read)(unsigned char **dest, struct stream_pos *src,
52 const struct type_class_string *string_class);
53 void (*string_write)(struct stream_pos *dest, const unsigned char *src,
54 const struct type_class_string *string_class);
55 void (*string_free_temp)(unsigned char *string);
56
57 GQuark (*enum_read)(struct stream_pos *pos,
58 const struct type_class_enum *src);
59 void (*enum_write)(struct stream_pos *pos,
60 const struct type_class_enum *dest,
61 GQuark q);
62 void (*struct_begin)(struct stream_pos *pos,
63 const struct type_class_struct *struct_class);
64 void (*struct_end)(struct stream_pos *pos,
65 const struct type_class_struct *struct_class);
66 void (*array_begin)(struct stream_pos *pos,
67 const struct type_class_array *array_class);
68 void (*array_end)(struct stream_pos *pos,
69 const struct type_class_array *array_class);
70 void (*sequence_begin)(struct stream_pos *pos,
71 const struct type_class_sequence *sequence_class);
72 void (*sequence_end)(struct stream_pos *pos,
73 const struct type_class_sequence *sequence_class);
74 };
75
76 struct format *bt_lookup_format(GQuark qname);
77 int bt_register_format(struct format *format);
78
79 /* TBD: format unregistration */
80
81 #endif /* _BABELTRACE_FORMAT_H */
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