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 - 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 #include <stdint.h>
  22
  23 int ctf_text_enum_write(struct stream_pos *ppos, struct definition *definition)
  24 {
  25         struct definition_enum *enum_definition =
  26                 container_of(definition, struct definition_enum, p);
  27         struct definition_integer *integer_definition =
  28                 enum_definition->integer;
  29         struct ctf_text_stream_pos *pos = ctf_text_pos(ppos);
  30         GArray *qs;
  31         int i, ret;
  32         int field_nr_saved;
  33
  34         if (!print_field(definition))
  35                 return 0;
  36
  37         if (pos->dummy)
  38                 return 0;
  39
  40         if (pos->field_nr++ != 0)
  41                 fprintf(pos->fp, ",");
  42         fprintf(pos->fp, " ");
  43         if (pos->print_names)
  44                 fprintf(pos->fp, "%s = ",
  45                         g_quark_to_string(definition->name));
  46
  47         field_nr_saved = pos->field_nr;
  48         pos->field_nr = 0;
  49         fprintf(pos->fp, "(");
  50         pos->depth++;
  51         qs = enum_definition->value;
  52
  53         if (qs) {
  54                 for (i = 0; i < qs->len; i++) {
  55                         GQuark q = g_array_index(qs, GQuark, i);
  56                         const char *str = g_quark_to_string(q);
  57
  58                         assert(str);
  59                         if (pos->field_nr++ != 0)
  60                                 fprintf(pos->fp, ",");
  61                         fprintf(pos->fp, " ");
  62                         fprintf(pos->fp, "%s", str);
  63                 }
  64         } else {
  65                 fprintf(pos->fp, " <unknown>");
  66         }
  67
  68         pos->field_nr = 0;
  69         fprintf(pos->fp, " :");
  70         ret = generic_rw(ppos, &integer_definition->p);
  71
  72         pos->depth--;
  73         fprintf(pos->fp, " )");
  74         pos->field_nr = field_nr_saved;
  75         return ret;
  76 }