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Diffstat (limited to 'libibex/index.h')
-rw-r--r-- | libibex/index.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/libibex/index.h b/libibex/index.h deleted file mode 100644 index 0cef7948b3..0000000000 --- a/libibex/index.h +++ /dev/null @@ -1,103 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- - * - * Copyright (C) 2000 Helix Code, Inc. - * - * Authors: Michael Zucchi <notzed@helixcode.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public License - * as published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This library 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 - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with the Gnome Library; see the file COPYING.LIB. If not, - * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#ifndef _INDEX_H -#define _INDEX_H - -/* an indexing 'class' maps a key to 1 piece of info */ - -#define INDEX_STAT - -struct _IBEXCursor { - struct _IBEXCursorClass *klass; - struct _IBEXIndex *index; -}; - -struct _IBEXCursorClass { - void (*close)(struct _IBEXCursor *); - - guint32 (*next)(struct _IBEXCursor *); - char *(*next_key)(struct _IBEXCursor *, int *keylenptr); -}; - -struct _IBEXIndex { - struct _IBEXIndexClass *klass; - struct _memcache *blocks; - blockid_t root; /* root block of ondisk index data */ -#ifdef INDEX_STAT - int lookups; /* how many lookups */ - int lookup_total; /* how many blocks loaded for all lookups (hash chain depth) */ -#endif -}; - -struct _IBEXIndexClass { - - struct _IBEXIndex *(*create)(struct _memcache *bc, int size); - struct _IBEXIndex *(*open)(struct _memcache *bc, blockid_t root); - - int (*sync)(struct _IBEXIndex *); - int (*close)(struct _IBEXIndex *); - - /* lookup a key in the index, returns the keyid of this item, or 0 if not found */ - guint32 (*find)(struct _IBEXIndex *, const char *key, int keylen); - - /* remove a key from the index */ - void (*remove)(struct _IBEXIndex *, const char *key, int keylen); - - /* insert a new key into the index, the keyid is returned */ - guint32 (*insert)(struct _IBEXIndex *, const char *key, int keylen); - - /* get the key contents/key length from the keyid */ - char *(*get_key)(struct _IBEXIndex *, guint32 keyid, int *keylenptr); - - /* set the key contents based on the keyid */ - void (*set_data)(struct _IBEXIndex *, guint32 keyid, blockid_t datablock, blockid_t tail); - - /* get the key contents based on the keyid */ - blockid_t (*get_data)(struct _IBEXIndex *, guint32 keyid, blockid_t *tail); - - /* get a cursor for iterating over all contents */ - struct _IBEXCursor *(*get_cursor)(struct _IBEXIndex *); -}; - -/* a storage class, stores lists of lists of id's */ - -struct _IBEXStore { - struct _IBEXStoreClass *klass; - struct _memcache *blocks; -}; - -struct _IBEXStoreClass { - struct _IBEXStore *(*create)(struct _memcache *bc); - int (*sync)(struct _IBEXStore *store); - int (*close)(struct _IBEXStore *store); - - blockid_t (*add)(struct _IBEXStore *store, blockid_t *head, blockid_t *tail, nameid_t data); - blockid_t (*add_list)(struct _IBEXStore *store, blockid_t *head, blockid_t *tail, GArray *data); - blockid_t (*remove)(struct _IBEXStore *store, blockid_t *head, blockid_t *tail, nameid_t data); - void (*free)(struct _IBEXStore *store, blockid_t head, blockid_t tail); - - gboolean (*find)(struct _IBEXStore *store, blockid_t head, blockid_t tail, nameid_t data); - GArray *(*get)(struct _IBEXStore *store, blockid_t head, blockid_t tail); -}; - -#endif |