formats/ctf-text/types/variant.c

   1 /*
   2  * Common Trace Format
   3  *
   4  * Variant format access functions.
   5  *
   6  * Copyright 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a copy
   9  * of this software and associated documentation files (the "Software"), to deal
  10  * in the Software without restriction, including without limitation the rights
  11  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  12  * copies of the Software, and to permit persons to whom the Software is
  13  * furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included in
  16  * all copies or substantial portions of the Software.
  17  */
  18
  19 #include <babeltrace/ctf-text/types.h>
  20 #include <stdio.h>
  21
  22 int ctf_text_variant_write(struct stream_pos *ppos, struct definition *definition)
  23 {
  24         struct ctf_text_stream_pos *pos = ctf_text_pos(ppos);
  25         int field_nr_saved;
  26         int ret;
  27
  28         if (!print_field(definition))
  29                 return 0;
  30
  31         if (!pos->dummy) {
  32                 if (pos->depth >= 0) {
  33                         if (pos->field_nr++ != 0)
  34                                 fprintf(pos->fp, ",");
  35                         fprintf(pos->fp, " ");
  36                         if (pos->print_names)
  37                                 fprintf(pos->fp, "%s = ",
  38                                         g_quark_to_string(definition->name));
  39                         fprintf(pos->fp, "{");
  40                 }
  41                 pos->depth++;
  42         }
  43         field_nr_saved = pos->field_nr;
  44         pos->field_nr = 0;
  45         ret = variant_rw(ppos, definition);
  46         if (!pos->dummy) {
  47                 pos->depth--;
  48                 if (pos->depth >= 0) {
  49                         fprintf(pos->fp, " }");
  50                 }
  51         }
  52         pos->field_nr = field_nr_saved;
  53         return ret;
  54 }