formats/ctf-text/types/struct.c

   1 /*
   2  * Common Trace Format
   3  *
   4  * Structure format access functions.
   5  *
   6  * Copyright 2010 - 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_struct_write(struct stream_pos *ppos, struct definition *definition)
  23 {
  24         struct declaration *declaration = definition->declaration;
  25         struct declaration_struct *struct_declaration =
  26                 container_of(declaration, struct declaration_struct, p);
  27         struct ctf_text_stream_pos *pos = ctf_text_pos(ppos);
  28         uint64_t len = struct_declaration_len(struct_declaration);
  29         int field_nr_saved;
  30         int ret;
  31
  32         if (!print_field(definition))
  33                 return 0;
  34
  35         if (!pos->dummy) {
  36                 if (pos->depth >= 0) {
  37                         if (pos->field_nr++ != 0)
  38                                 fprintf(pos->fp, ",");
  39                         if (pos->print_names || len > 1)
  40                                 fprintf(pos->fp, " ");
  41                         if (pos->print_names && definition->name != 0)
  42                                 fprintf(pos->fp, "%s = ",
  43                                         g_quark_to_string(definition->name));
  44                         if (pos->print_names || len > 1)
  45                                 fprintf(pos->fp, "{");
  46                 }
  47                 pos->depth++;
  48         }
  49         field_nr_saved = pos->field_nr;
  50         pos->field_nr = 0;
  51         ret = struct_rw(ppos, definition);
  52         if (!pos->dummy) {
  53                 pos->depth--;
  54                 if (pos->depth >= 0 && (pos->print_names || len > 1)) {
  55                         fprintf(pos->fp, " }");
  56                 }
  57         }
  58         pos->field_nr = field_nr_saved;
  59         return ret;
  60 }