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authorDavid Robillard <d@drobilla.net>2022-11-01 23:17:22 -0400
committerDavid Robillard <d@drobilla.net>2022-11-16 10:18:33 -0500
commitec186c111b2079aa2bb52f44b01b874e46ba4577 (patch)
tree6f1ae59bc9a7e9022caafeb6b12ee4880ae240e8 /src/zix/btree.h
parent185367990537f6a50171553fa66f2e3bde65810a (diff)
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Switch to external zix dependency
Diffstat (limited to 'src/zix/btree.h')
-rw-r--r--src/zix/btree.h174
1 files changed, 0 insertions, 174 deletions
diff --git a/src/zix/btree.h b/src/zix/btree.h
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--- a/src/zix/btree.h
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-// Copyright 2011-2020 David Robillard <d@drobilla.net>
-// SPDX-License-Identifier: ISC
-
-#ifndef ZIX_BTREE_H
-#define ZIX_BTREE_H
-
-#include "zix/common.h"
-
-#include <stdbool.h>
-#include <stddef.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- @addtogroup zix
- @{
- @name BTree
- @{
-*/
-
-/**
- A B-Tree.
-*/
-typedef struct ZixBTreeImpl ZixBTree;
-
-/**
- A B-Tree node (opaque).
-*/
-typedef struct ZixBTreeNodeImpl ZixBTreeNode;
-
-/**
- An iterator over a B-Tree.
-
- Note that modifying the trees invalidates all iterators, so all iterators
- are const iterators.
-*/
-typedef struct ZixBTreeIterImpl ZixBTreeIter;
-
-/**
- Create a new (empty) B-Tree.
-*/
-ZIX_API
-ZixBTree*
-zix_btree_new(ZixComparator cmp, const void* cmp_data, ZixDestroyFunc destroy);
-
-/**
- Free `t`.
-*/
-ZIX_API
-void
-zix_btree_free(ZixBTree* t);
-
-/**
- Return the number of elements in `t`.
-*/
-ZIX_PURE_API
-size_t
-zix_btree_size(const ZixBTree* t);
-
-/**
- Insert the element `e` into `t`.
-*/
-ZIX_API
-ZixStatus
-zix_btree_insert(ZixBTree* t, void* e);
-
-/**
- Remove the value `e` from `t`.
-
- @param t Tree to remove from.
-
- @param e Value to remove.
-
- @param out Set to point to the removed pointer (which may not equal `e`).
-
- @param next If non-NULL, pointed to the value following `e`. If *next is
- also non-NULL, the iterator is reused, otherwise a new one is allocated. To
- reuse an iterator, no items may have been added since its creation.
-*/
-ZIX_API
-ZixStatus
-zix_btree_remove(ZixBTree* t, const void* e, void** out, ZixBTreeIter** next);
-
-/**
- Set `ti` to an element equal to `e` in `t`.
- If no such item exists, `ti` is set to NULL.
-*/
-ZIX_API
-ZixStatus
-zix_btree_find(const ZixBTree* t, const void* e, ZixBTreeIter** ti);
-
-/**
- Set `ti` to the smallest element in `t` that is not less than `e`.
-
- Wildcards are supported, so if the search key `e` compares equal to many
- values in the tree, `ti` will be set to the least such element. The search
- key `e` is always passed as the second argument to the comparator.
-*/
-ZIX_API
-ZixStatus
-zix_btree_lower_bound(const ZixBTree* t, const void* e, ZixBTreeIter** ti);
-
-/**
- Return the data associated with the given tree item.
-*/
-ZIX_PURE_API
-void*
-zix_btree_get(const ZixBTreeIter* ti);
-
-/**
- Return an iterator to the first (smallest) element in `t`.
-
- The returned iterator must be freed with zix_btree_iter_free().
-*/
-ZIX_PURE_API
-ZixBTreeIter*
-zix_btree_begin(const ZixBTree* t);
-
-/**
- Return an iterator to the end of `t` (one past the last element).
-
- The returned iterator must be freed with zix_btree_iter_free().
-*/
-ZIX_API
-ZixBTreeIter*
-zix_btree_end(const ZixBTree* t);
-
-/**
- Return a new copy of `i`.
-*/
-ZIX_API
-ZixBTreeIter*
-zix_btree_iter_copy(const ZixBTreeIter* i);
-
-/**
- Return true iff `lhs` is equal to `rhs`.
-*/
-ZIX_PURE_API
-bool
-zix_btree_iter_equals(const ZixBTreeIter* lhs, const ZixBTreeIter* rhs);
-
-/**
- Return true iff `i` is an iterator to the end of its tree.
-*/
-ZIX_PURE_API
-bool
-zix_btree_iter_is_end(const ZixBTreeIter* i);
-
-/**
- Increment `i` to point to the next element in the tree.
-*/
-ZIX_API
-void
-zix_btree_iter_increment(ZixBTreeIter* i);
-
-/**
- Free `i`.
-*/
-ZIX_API
-void
-zix_btree_iter_free(ZixBTreeIter* i);
-
-/**
- @}
- @}
-*/
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-#endif /* ZIX_BTREE_H */