tree.h

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/*
  Copyright 2011-2014 David Robillard <http://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 ZIX_TREE_H
#define ZIX_TREE_H
 
#include <stddef.h>
 
#include "zix/common.h"
 
#ifdef __cplusplus
extern "C" {
#endif


typedef struct ZixTreeImpl ZixTree;

typedef struct ZixTreeNodeImpl ZixTreeIter;

ZIX_API ZixTree*
zix_tree_new(bool           allow_duplicates,
             ZixComparator  cmp,
             void*          cmp_data,
             ZixDestroyFunc destroy);

ZIX_API void
zix_tree_free(ZixTree* t);

ZIX_API size_t
zix_tree_size(const ZixTree* t);

ZIX_API ZixStatus
zix_tree_insert(ZixTree* t, void* e, ZixTreeIter** ti);

ZIX_API ZixStatus
zix_tree_remove(ZixTree* t, ZixTreeIter* ti);

ZIX_API ZixStatus
zix_tree_find(const ZixTree* t, const void* e, ZixTreeIter** ti);

ZIX_API void*
zix_tree_get(const ZixTreeIter* ti);

ZIX_API ZixTreeIter*
zix_tree_begin(ZixTree* t);

ZIX_API ZixTreeIter*
zix_tree_end(ZixTree* t);

ZIX_API bool
zix_tree_iter_is_end(const ZixTreeIter* i);

ZIX_API ZixTreeIter*
zix_tree_rbegin(ZixTree* t);

ZIX_API ZixTreeIter*
zix_tree_rend(ZixTree* t);

ZIX_API bool
zix_tree_iter_is_rend(const ZixTreeIter* i);

ZIX_API ZixTreeIter*
zix_tree_iter_next(ZixTreeIter* i);

ZIX_API ZixTreeIter*
zix_tree_iter_prev(ZixTreeIter* i);

 
#ifdef __cplusplus
}  /* extern "C" */
#endif
 
#endif  /* ZIX_TREE_H */