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 }