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Diffstat (limited to 'client/completion_hash.h')
-rw-r--r-- | client/completion_hash.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/client/completion_hash.h b/client/completion_hash.h new file mode 100644 index 00000000..57483e0f --- /dev/null +++ b/client/completion_hash.h @@ -0,0 +1,61 @@ +/* Copyright (c) 2000-2002, 2006 MySQL AB + Use is subject to license terms + + 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; version 2 + of the License. + + 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 + 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., 51 Franklin Street, Fifth Floor, Boston, + MA 02110-1335 USA */ + +#ifndef _HASH_ +#define _HASH_ + +#define SUCCESS 0 +#define FAILURE 1 + +#include <sys/types.h> +#include <my_sys.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; + MEM_ROOT mem_root; + uint(*pHashFunction) (const 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, const 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_ */ |