/
avl_generic.h
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/
avl_generic.h
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* Cherokee
*
* Authors:
* Alvaro Lopez Ortega <alvaro@alobbs.com>
*
* Copyright (C) 2001-2013 Alvaro Lopez Ortega
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#if !defined (CHEROKEE_INSIDE_CHEROKEE_H) && !defined (CHEROKEE_COMPILATION)
# error "Only <cherokee/cherokee.h> can be included directly, this file may disappear or change contents."
#endif
#ifndef CHEROKEE_AVL_GENERIC_H
#define CHEROKEE_AVL_GENERIC_H
#include <cherokee/buffer.h>
CHEROKEE_BEGIN_DECLS
/* AVL Tree Node base
*/
typedef struct cherokee_avl_generic_node cherokee_avl_generic_node_t;
struct cherokee_avl_generic_node {
short balance;
struct cherokee_avl_generic_node *left;
struct cherokee_avl_generic_node *right;
cherokee_boolean_t left_child;
cherokee_boolean_t right_child;
void *value;
};
#define AVL_GENERIC_NODE(a) ((cherokee_avl_generic_node_t *)(a))
ret_t cherokee_avl_generic_node_init (cherokee_avl_generic_node_t *node);
/* AVL Tree
*/
typedef struct cherokee_avl_generic cherokee_avl_generic_t;
typedef ret_t (*avl_gen_node_mrproper_t) (cherokee_avl_generic_node_t *);
typedef ret_t (*avl_gen_node_cmp_t) (cherokee_avl_generic_node_t *, cherokee_avl_generic_node_t *, cherokee_avl_generic_t *);
typedef ret_t (*avl_gen_node_is_empty_t) (cherokee_avl_generic_node_t *);
struct cherokee_avl_generic {
cherokee_avl_generic_node_t *root;
/* Virtual methods */
avl_gen_node_mrproper_t node_mrproper;
avl_gen_node_cmp_t node_cmp;
avl_gen_node_is_empty_t node_is_empty;
};
#define AVL_GENERIC(a) ((cherokee_avl_generic_t *)(a))
ret_t cherokee_avl_generic_init (cherokee_avl_generic_t *avl);
/* Public Methods
*/
typedef ret_t (* cherokee_avl_generic_while_func_t) (cherokee_avl_generic_node_t *key, void *value, void *param);
ret_t cherokee_avl_mrproper (cherokee_avl_generic_t *avl, cherokee_func_free_t free_func);
ret_t cherokee_avl_free (cherokee_avl_generic_t *avl, cherokee_func_free_t free_func);
ret_t cherokee_avl_check (cherokee_avl_generic_t *avl);
ret_t cherokee_avl_len (cherokee_avl_generic_t *avl, size_t *len);
int cherokee_avl_is_empty (cherokee_avl_generic_t *avl);
ret_t cherokee_avl_generic_add (cherokee_avl_generic_t *avl, cherokee_avl_generic_node_t *key, void *value);
ret_t cherokee_avl_generic_del (cherokee_avl_generic_t *avl, cherokee_avl_generic_node_t *key, void **value);
ret_t cherokee_avl_generic_get (cherokee_avl_generic_t *avl, cherokee_avl_generic_node_t *key, void **value);
ret_t cherokee_avl_generic_while (cherokee_avl_generic_t *avl,
cherokee_avl_generic_while_func_t func,
void *param,
cherokee_avl_generic_node_t **key,
void **value);
CHEROKEE_END_DECLS
#endif /* CHEROKEE_AVL_GENERIC_H */