formats/ctf-text/types/sequence.c

   1 /*
   2  * Common Trace Format
   3  *
   4  * Sequence 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_sequence_write(struct stream_pos *ppos, struct definition *definition)
  23 {
  24         struct ctf_text_stream_pos *pos = ctf_text_pos(ppos);
  25         struct definition_sequence *sequence_definition =
  26                 container_of(definition, struct definition_sequence, p);
  27         struct declaration_sequence *sequence_declaration =
  28                 sequence_definition->declaration;
  29         struct declaration *elem = sequence_declaration->elem;
  30         int field_nr_saved;
  31         int ret = 0;
  32
  33         if (!print_field(definition))
  34                 return 0;
  35
  36         if (!pos->dummy) {
  37                 if (pos->field_nr++ != 0)
  38                         fprintf(pos->fp, ",");
  39                 fprintf(pos->fp, " ");
  40                 if (pos->print_names)
  41                         fprintf(pos->fp, "%s = ",
  42                                 g_quark_to_string(definition->name));
  43         }
  44
  45         if (elem->id == CTF_TYPE_INTEGER) {
  46                 struct declaration_integer *integer_declaration =
  47                         container_of(elem, struct declaration_integer, p);
  48
  49                 if (integer_declaration->encoding == CTF_STRING_UTF8
  50                       || integer_declaration->encoding == CTF_STRING_ASCII) {
  51
  52                         if (!(integer_declaration->len == CHAR_BIT
  53                             && integer_declaration->p.alignment == CHAR_BIT)) {
  54                                 pos->string = sequence_definition->string;
  55                                 g_string_assign(sequence_definition->string, "");
  56                                 ret = sequence_rw(ppos, definition);
  57                                 pos->string = NULL;
  58                         }
  59                         fprintf(pos->fp, "\"%s\"", sequence_definition->string->str);
  60                         return ret;
  61                 }
  62         }
  63
  64         if (!pos->dummy) {
  65                 fprintf(pos->fp, "[");
  66                 pos->depth++;
  67         }
  68         field_nr_saved = pos->field_nr;
  69         pos->field_nr = 0;
  70         ret = sequence_rw(ppos, definition);
  71         if (!pos->dummy) {
  72                 pos->depth--;
  73                 fprintf(pos->fp, " ]");
  74         }
  75         pos->field_nr = field_nr_saved;
  76         return ret;
  77 }