cannam@226: /*
cannam@226:   Copyright 2011-2015 David Robillard <http://drobilla.net>
cannam@226: 
cannam@226:   Permission to use, copy, modify, and/or distribute this software for any
cannam@226:   purpose with or without fee is hereby granted, provided that the above
cannam@226:   copyright notice and this permission notice appear in all copies.
cannam@226: 
cannam@226:   THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
cannam@226:   WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
cannam@226:   MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
cannam@226:   ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
cannam@226:   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
cannam@226:   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
cannam@226:   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
cannam@226: */
cannam@226: 
cannam@226: #ifndef SORD_SORD_INTERNAL_H
cannam@226: #define SORD_SORD_INTERNAL_H
cannam@226: 
cannam@226: #include <stddef.h>
cannam@226: #include <stdint.h>
cannam@226: 
cannam@226: #include "sord/sord.h"
cannam@226: 
cannam@226: #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
cannam@226: #    define SORD_UNREACHABLE() __builtin_unreachable()
cannam@226: #else
cannam@226: #    define SORD_UNREACHABLE() assert(false)
cannam@226: #endif
cannam@226: 
cannam@226: /** Resource node metadata */
cannam@226: typedef struct {
cannam@226: 	size_t refs_as_obj;  ///< References as a quad object
cannam@226: } SordResourceMetadata;
cannam@226: 
cannam@226: /** Literal node metadata */
cannam@226: typedef struct {
cannam@226: 	SordNode* datatype;  ///< Optional literal data type URI
cannam@226: 	char      lang[16];  ///< Optional language tag
cannam@226: } SordLiteralMetadata;
cannam@226: 
cannam@226: /** Node */
cannam@226: struct SordNodeImpl {
cannam@226: 	SerdNode node;  ///< Serd node
cannam@226: 	size_t   refs;  ///< Reference count (# of containing quads)
cannam@226: 	union {
cannam@226: 		SordResourceMetadata res;
cannam@226: 		SordLiteralMetadata  lit;
cannam@226: 	} meta;
cannam@226: };
cannam@226: 
cannam@226: #endif /* SORD_SORD_INTERNAL_H */