completion_hash.h
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:2k
- /* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
-
- This library 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 this library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA */
- #ifndef _HASH_
- #define _HASH_
- #define SUCCESS 0
- #define FAILURE 1
- #include <sys/types.h>
- typedef struct _entry {
- char *str;
- struct _entry *pNext;
- } entry;
- typedef struct bucket {
- uint h; /* Used for numeric indexing */
- char *arKey;
- uint nKeyLength;
- uint count;
- entry *pData;
- struct bucket *pNext;
- } Bucket;
- typedef struct hashtable {
- uint nTableSize;
- uint initialized;
- uint(*pHashFunction) (char *arKey, uint nKeyLength);
- Bucket **arBuckets;
- } HashTable;
- extern int completion_hash_init(HashTable *ht, uint nSize);
- extern int completion_hash_update(HashTable *ht, char *arKey, uint nKeyLength, char *str);
- extern int hash_exists(HashTable *ht, char *arKey);
- extern Bucket *find_all_matches(HashTable *ht, char *str, uint length, uint *res_length);
- extern Bucket *find_longest_match(HashTable *ht, char *str, uint length, uint *res_length);
- extern void add_word(HashTable *ht,char *str);
- extern void completion_hash_clean(HashTable *ht);
- extern int completion_hash_exists(HashTable *ht, char *arKey, uint nKeyLength);
- extern void completion_hash_free(HashTable *ht);
- #endif /* _HASH_ */