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  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  21  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  23  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  24  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  25  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  26  * SOFTWARE.
  27  */
  28
  29 #include <babeltrace/ctf-text/types.h>
  30 #include <stdio.h>
  31 #include <stdint.h>
  32
  33 int ctf_text_enum_write(struct bt_stream_pos *ppos, struct bt_definition *definition)
  34 {
  35         struct definition_enum *enum_definition =
  36                 container_of(definition, struct definition_enum, p);
  37         struct definition_integer *integer_definition =
  38                 enum_definition->integer;
  39         struct ctf_text_stream_pos *pos = ctf_text_pos(ppos);
  40         GArray *qs;
  41         int ret;
  42         int field_nr_saved;
  43
  44         if (!print_field(definition))
  45                 return 0;
  46
  47         if (pos->dummy)
  48                 return 0;
  49
  50         if (pos->field_nr++ != 0)
  51                 fprintf(pos->fp, ",");
  52         fprintf(pos->fp, " ");
  53         if (pos->print_names)
  54                 fprintf(pos->fp, "%s = ",
  55                         rem_(g_quark_to_string(definition->name)));
  56
  57         field_nr_saved = pos->field_nr;
  58         pos->field_nr = 0;
  59         fprintf(pos->fp, "(");
  60         pos->depth++;
  61         qs = enum_definition->value;
  62
  63         if (qs) {
  64                 int i;
  65
  66                 for (i = 0; i < qs->len; i++) {
  67                         GQuark q = g_array_index(qs, GQuark, i);
  68                         const char *str = g_quark_to_string(q);
  69
  70                         assert(str);
  71                         if (pos->field_nr++ != 0)
  72                                 fprintf(pos->fp, ",");
  73                         fprintf(pos->fp, " ");
  74                         fprintf(pos->fp, "%s", str);
  75                 }
  76         } else {
  77                 fprintf(pos->fp, " <unknown>");
  78         }
  79
  80         pos->field_nr = 0;
  81         fprintf(pos->fp, " :");
  82         ret = generic_rw(ppos, &integer_definition->p);
  83
  84         pos->depth--;
  85         fprintf(pos->fp, " )");
  86         pos->field_nr = field_nr_saved;
  87         return ret;
  88 }