formats/ctf-text/types/array.c

   1 /*
   2  * Common Trace Format
   3  *
   4  * Array format access functions.
   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
  24 int ctf_text_array_write(struct stream_pos *ppos, struct definition *definition)
  25 {
  26         struct ctf_text_stream_pos *pos = ctf_text_pos(ppos);
  27         struct definition_array *array_definition =
  28                 container_of(definition, struct definition_array, p);
  29         struct declaration_array *array_declaration =
  30                 array_definition->declaration;
  31         struct declaration *elem = array_declaration->elem;
  32         int field_nr_saved;
  33         int ret = 0;
  34
  35         if (!print_field(definition))
  36                 return 0;
  37
  38         if (!pos->dummy) {
  39                 if (pos->field_nr++ != 0)
  40                         fprintf(pos->fp, ",");
  41                 fprintf(pos->fp, " ");
  42                 if (pos->print_names)
  43                         fprintf(pos->fp, "%s = ",
  44                                 g_quark_to_string(definition->name));
  45         }
  46
  47         if (elem->id == CTF_TYPE_INTEGER) {
  48                 struct declaration_integer *integer_declaration =
  49                         container_of(elem, struct declaration_integer, p);
  50
  51                 if (integer_declaration->encoding == CTF_STRING_UTF8
  52                       || integer_declaration->encoding == CTF_STRING_ASCII) {
  53
  54                         if (!(integer_declaration->len == CHAR_BIT
  55                             && integer_declaration->p.alignment == CHAR_BIT)) {
  56                                 pos->string = array_definition->string;
  57                                 g_string_assign(array_definition->string, "");
  58                                 ret = array_rw(ppos, definition);
  59                                 pos->string = NULL;
  60                         }
  61                         fprintf(pos->fp, "\"%s\"", array_definition->string->str);
  62                         return ret;
  63                 }
  64         }
  65
  66         if (!pos->dummy) {
  67                 fprintf(pos->fp, "[");
  68                 pos->depth++;
  69         }
  70         field_nr_saved = pos->field_nr;
  71         pos->field_nr = 0;
  72         ret = array_rw(ppos, definition);
  73         if (!pos->dummy) {
  74                 pos->depth--;
  75                 fprintf(pos->fp, " ]");
  76         }
  77         pos->field_nr = field_nr_saved;
  78         return ret;
  79 }