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