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+/*
+ Copyright 2011-2020 David Robillard <d@drobilla.net>
+
+ Permission to use, copy, modify, and/or distribute this software for any
+ purpose with or without fee is hereby granted, provided that the above
+ copyright notice and this permission notice appear in all copies.
+
+ THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#ifndef SERD_MODEL_H
+#define SERD_MODEL_H
+
+#include "serd/serd.h"
+#include "zix/btree.h"
+
+#include <stdint.h>
+
+struct SerdModelImpl {
+ SerdWorld* world; ///< World this model is a part of
+ ZixBTree* indices[12]; ///< Trees of SordQuad
+ SerdIter* end; ///< End iterator (always the same)
+ uint64_t version; ///< Version incremented on every change
+ SerdModelFlags flags; ///< Active indices and features
+};
+
+SerdStatus
+serd_model_add_internal(SerdModel* model,
+ const SerdCursor* cursor,
+ const SerdNode* s,
+ const SerdNode* p,
+ const SerdNode* o,
+ const SerdNode* g);
+
+#endif // SERD_MODEL_H