formats/ctf-text/types/array.c

   1 /*
   2  * Common Trace Format
   3  *
   4  * Array 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_array_write(struct stream_pos *ppos, struct definition *definition)
  23 {
  24         struct ctf_text_stream_pos *pos = ctf_text_pos(ppos);
  25         struct definition_array *array_definition =
  26                 container_of(definition, struct definition_array, p);
  27         struct declaration_array *array_declaration =
  28                 array_definition->declaration;
  29         struct declaration *elem = array_declaration->elem;
  30         int field_nr_saved;
  31         int ret = 0;
  32
  33         if (!pos->dummy) {
  34                 if (pos->field_nr++ != 0)
  35                         fprintf(pos->fp, ",");
  36                 fprintf(pos->fp, " ");
  37                 if (pos->print_names)
  38                         fprintf(pos->fp, "%s = ",
  39                                 g_quark_to_string(definition->name));
  40         }
  41
  42         if (elem->id == CTF_TYPE_INTEGER) {
  43                 struct declaration_integer *integer_declaration =
  44                         container_of(elem, struct declaration_integer, p);
  45
  46                 if (integer_declaration->encoding == CTF_STRING_UTF8
  47                       || integer_declaration->encoding == CTF_STRING_ASCII) {
  48
  49                         if (!(integer_declaration->len == CHAR_BIT
  50                             && integer_declaration->p.alignment == CHAR_BIT)) {
  51                                 pos->string = array_definition->string;
  52                                 g_string_assign(array_definition->string, "");
  53                                 ret = array_rw(ppos, definition);
  54                                 pos->string = NULL;
  55                         }
  56                         fprintf(pos->fp, "\"%s\"", array_definition->string->str);
  57                         return ret;
  58                 }
  59         }
  60
  61         if (!pos->dummy) {
  62                 fprintf(pos->fp, "[");
  63                 pos->depth++;
  64         }
  65         field_nr_saved = pos->field_nr;
  66         pos->field_nr = 0;
  67         ret = array_rw(ppos, definition);
  68         if (!pos->dummy) {
  69                 pos->depth--;
  70                 fprintf(pos->fp, " ]");
  71         }
  72         pos->field_nr = field_nr_saved;
  73         return ret;
  74 }