source/modules/lilv/sord-0.16.0/src/sord_internal.h

   1 /*
   2   Copyright 2011-2015 David Robillard <http://drobilla.net>
   3
   4   Permission to use, copy, modify, and/or distribute this software for any
   5   purpose with or without fee is hereby granted, provided that the above
   6   copyright notice and this permission notice appear in all copies.
   7
   8   THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9   WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10   MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11   ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15 */
  16
  17 #ifndef SORD_SORD_INTERNAL_H
  18 #define SORD_SORD_INTERNAL_H
  19
  20 #include <stddef.h>
  21 #include <stdint.h>
  22
  23 #include "sord/sord.h"
  24
  25 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
  26 #    define SORD_UNREACHABLE() __builtin_unreachable()
  27 #else
  28 #    define SORD_UNREACHABLE() assert(false)
  29 #endif
  30
  31 /** Resource node metadata */
  32 typedef struct {
  33         size_t refs_as_obj;  ///< References as a quad object
  34 } SordResourceMetadata;
  35
  36 /** Literal node metadata */
  37 typedef struct {
  38         SordNode* datatype;  ///< Optional literal data type URI
  39         char      lang[16];  ///< Optional language tag
  40 } SordLiteralMetadata;
  41
  42 /** Node */
  43 struct SordNodeImpl {
  44         SerdNode node;  ///< Serd node
  45         size_t   refs;  ///< Reference count (# of containing quads)
  46         union {
  47                 SordResourceMetadata res;
  48                 SordLiteralMetadata  lit;
  49         } meta;
  50 };
  51
  52 #endif /* SORD_SORD_INTERNAL_H */