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 (c) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  10  *
  11  * This library is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU Lesser General Public
  13  * License as published by the Free Software Foundation; either
  14  * version 2.1 of the License, or (at your option) any later version.
  15  *
  16  * This library is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * Lesser General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU Lesser General Public
  22  * License along with this library; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  24  */
  25
  26 #include <stdint.h>
  27 #include <glib.h>
  28
  29 struct format {
  30         GQuark name;
  31
  32         uint64_t (*uint_read)(struct stream_pos *pos,
  33                         const struct type_class_integer *int_class);
  34         int64_t (*int_read)(struct stream_pos *pos,
  35                         const struct type_class_integer *int_class);
  36         void (*uint_write)(struct stream_pos *pos,
  37                            const struct type_class_integer *int_class,
  38                            uint64_t v);
  39         void (*int_write)(struct stream_pos *pos,
  40                           const struct type_class_integer *int_class,
  41                           int64_t v);
  42
  43         void (*float_copy)(struct stream_pos *dest,
  44                            struct stream_pos *src,
  45                            const struct type_class_float *src);
  46         double (*double_read)(struct stream_pos *pos,
  47                               const struct type_class_float *float_class);
  48         void (*double_write)(struct stream_pos *pos,
  49                              const struct type_class_float *float_class,
  50                              double v);
  51
  52         void (*string_copy)(struct stream_pos *dest, struct stream_pos *src,
  53                             const struct type_class_string *string_class);
  54         void (*string_read)(unsigned char **dest, struct stream_pos *src,
  55                             const struct type_class_string *string_class);
  56         void (*string_write)(struct stream_pos *dest, const unsigned char *src,
  57                              const struct type_class_string *string_class);
  58         void (*string_free_temp)(unsigned char *string);
  59
  60         GQuark (*enum_read)(struct stream_pos *pos,
  61                             const struct type_class_enum *src);
  62         void (*enum_write)(struct stream_pos *pos,
  63                            const struct type_class_enum *dest,
  64                            GQuark q);
  65
  66 };
  67
  68 struct format *bt_lookup_format(GQuark qname);
  69 int bt_register_format(const struct format *format);
  70
  71 /* TBD: format unregistration */
  72
  73 #endif /* _BABELTRACE_FORMAT_H */