formats/ctf-text/types/enum.c

   1 /*
   2  * Common Trace Format
   3  *
   4  * Enumeration mapping strings (quarks) from/to integers.
   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 #include <stdint.h>
  24
  25 int ctf_text_enum_write(struct stream_pos *ppos, struct definition *definition)
  26 {
  27         struct definition_enum *enum_definition =
  28                 container_of(definition, struct definition_enum, p);
  29         struct definition_integer *integer_definition =
  30                 enum_definition->integer;
  31         struct ctf_text_stream_pos *pos = ctf_text_pos(ppos);
  32         GArray *qs;
  33         int i, ret;
  34         int field_nr_saved;
  35
  36         if (!print_field(definition))
  37                 return 0;
  38
  39         if (pos->dummy)
  40                 return 0;
  41
  42         if (pos->field_nr++ != 0)
  43                 fprintf(pos->fp, ",");
  44         fprintf(pos->fp, " ");
  45         if (pos->print_names)
  46                 fprintf(pos->fp, "%s = ",
  47                         rem_(g_quark_to_string(definition->name)));
  48
  49         field_nr_saved = pos->field_nr;
  50         pos->field_nr = 0;
  51         fprintf(pos->fp, "(");
  52         pos->depth++;
  53         qs = enum_definition->value;
  54
  55         if (qs) {
  56                 for (i = 0; i < qs->len; i++) {
  57                         GQuark q = g_array_index(qs, GQuark, i);
  58                         const char *str = g_quark_to_string(q);
  59
  60                         assert(str);
  61                         if (pos->field_nr++ != 0)
  62                                 fprintf(pos->fp, ",");
  63                         fprintf(pos->fp, " ");
  64                         fprintf(pos->fp, "%s", str);
  65                 }
  66         } else {
  67                 fprintf(pos->fp, " <unknown>");
  68         }
  69
  70         pos->field_nr = 0;
  71         fprintf(pos->fp, " :");
  72         ret = generic_rw(ppos, &integer_definition->p);
  73
  74         pos->depth--;
  75         fprintf(pos->fp, " )");
  76         pos->field_nr = field_nr_saved;
  77         return ret;
  78 }