-/*
- * Copyright (C) 1994, Index Data I/S
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: dict.h,v $
- * Revision 1.16 1995-12-06 14:41:13 adam
- * New function: dict_delete.
- *
- * Revision 1.15 1995/10/27 13:59:17 adam
- * Function dict_look_grep got extra parameter max_pos that upon return
- * hold length of longest prefix that matches pattern.
- *
- * Revision 1.14 1995/10/09 16:18:35 adam
- * Function dict_lookup_grep got extra client data parameter.
- *
- * Revision 1.13 1995/10/06 09:03:51 adam
- * First version of scan.
- *
- * Revision 1.12 1995/09/14 11:53:02 adam
- * Grep handle function parameter info is const now.
- *
- * Revision 1.11 1995/09/04 09:09:51 adam
- * String arg in dict lookup is const.
- * Minor changes.
- *
- * Revision 1.10 1994/10/05 12:16:58 adam
- * Pagesize is a resource now.
- *
- * Revision 1.9 1994/10/04 12:08:19 adam
- * Minor changes.
- *
- * Revision 1.8 1994/10/03 17:23:11 adam
- * First version of dictionary lookup with regular expressions and errors.
- *
- * Revision 1.7 1994/09/22 10:44:47 adam
- * Don't remember what changed!!
- *
- * Revision 1.6 1994/09/16 15:39:21 adam
- * Initial code of lookup - not tested yet.
- *
- * Revision 1.5 1994/09/06 13:05:29 adam
- * Further development of insertion. Some special cases are
- * not properly handled yet! assert(0) are put here. The
- * binary search in each page definitely reduce usr CPU.
- *
- * Revision 1.4 1994/09/01 17:44:40 adam
- * Work on insertion in dictionary. Not finished yet.
- *
- * Revision 1.3 1994/08/18 12:41:12 adam
- * Some development of dictionary. Not finished at all!
- *
- * Revision 1.2 1994/08/17 13:32:33 adam
- * Use cache in dict - not in bfile.
- *
- * Revision 1.1 1994/08/16 16:26:53 adam
- * Added dict.
- *
- */
+/* $Id: dict.h,v 1.32 2002-08-02 19:26:55 adam Exp $
+ Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
+ Index Data Aps
+
+This file is part of the Zebra server.
+
+Zebra is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+Zebra 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 Zebra; see the file LICENSE.zebra. If not, write to the
+Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.
+*/
+
+
#ifndef DICT_H
#define DICT_H
#include <bfile.h>
+#include <yaz/log.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
typedef unsigned Dict_ptr;
-typedef char Dict_char;
+typedef unsigned char Dict_char;
struct Dict_head {
char magic_str[8];
int page_size;
- Dict_ptr free_list, last;
+ int compact_flag;
+ Dict_ptr root, last, freelist;
};
struct Dict_file_block
void *data;
int dirty;
int no;
+ int nbytes;
};
typedef struct Dict_file_struct
int block_size;
int hits;
int misses;
+ int compact_flag;
} *Dict_BFile;
typedef struct Dict_struct {
int rw;
Dict_BFile dbf;
+ const char **(*grep_cmap)(void *vp, const char **from, int len);
+ void *grep_cmap_data;
struct Dict_head head;
-}
-*Dict;
+} *Dict;
-#define DICT_MAGIC "dict00"
+#define DICT_MAGIC "dict01"
-#define DICT_DEFAULT_PAGESIZE "8192"
+#define DICT_DEFAULT_PAGESIZE 4096
int dict_bf_readp (Dict_BFile bf, int no, void **bufp);
-int dict_bf_newp (Dict_BFile bf, int no, void **bufp);
+int dict_bf_newp (Dict_BFile bf, int no, void **bufp, int nbytes);
int dict_bf_touch (Dict_BFile bf, int no);
void dict_bf_flush_blocks (Dict_BFile bf, int no_to_flush);
-Dict_BFile dict_bf_open (const char *name, int block_size, int cache, int rw);
+Dict_BFile dict_bf_open (BFiles bfs, const char *name, int block_size,
+ int cache, int rw);
int dict_bf_close (Dict_BFile dbf);
+void dict_bf_compact (Dict_BFile dbf);
-Dict dict_open (const char *name, int cache, int rw);
+Dict dict_open (BFiles bfs, const char *name, int cache, int rw,
+ int compact_flag);
int dict_close (Dict dict);
-int dict_insert (Dict dict, const Dict_char *p, int userlen,
- void *userinfo);
-int dict_delete (Dict dict, const Dict_char *p);
-char *dict_lookup (Dict dict, const Dict_char *p);
-int dict_lookup_ec (Dict dict, Dict_char *p, int range,
- int (*f)(Dict_char *name));
-int dict_lookup_grep (Dict dict, Dict_char *p, int range, void *client,
- int *max_pos,
- int (*f)(Dict_char *name, const char *info,
+int dict_insert (Dict dict, const char *p, int userlen, void *userinfo);
+int dict_delete (Dict dict, const char *p);
+int dict_delete_subtree (Dict dict, const char *p, void *client,
+ int (*f)(const char *info, void *client));
+char *dict_lookup (Dict dict, const char *p);
+int dict_lookup_ec (Dict dict, char *p, int range,
+ int (*f)(char *name));
+int dict_lookup_grep (Dict dict, const char *p, int range, void *client,
+ int *max_pos, int init_pos,
+ int (*f)(char *name, const char *info,
void *client));
int dict_strcmp (const Dict_char *s1, const Dict_char *s2);
+int dict_strncmp (const Dict_char *s1, const Dict_char *s2, size_t n);
int dict_strlen (const Dict_char *s);
-int dict_scan (Dict dict, Dict_char *str,
+int dict_scan (Dict dict, char *str,
int *before, int *after, void *client,
- int (*f)(Dict_char *name, const char *info, int pos,
+ int (*f)(char *name, const char *info, int pos,
void *client));
+void dict_grep_cmap (Dict dict, void *vp,
+ const char **(*cmap)(void *vp,
+ const char **from, int len));
+int dict_copy_compact (BFiles bfs, const char *from, const char *to);
+
+
#define DICT_EOS 0
#define DICT_type(x) 0[(Dict_ptr*) x]
#define DICT_backptr(x) 1[(Dict_ptr*) x]
-#define DICT_nextptr(x) 2[(Dict_ptr*) x]
-#define DICT_nodir(x) 0[(short*)((char*)(x)+3*sizeof(Dict_ptr))]
-#define DICT_size(x) 1[(short*)((char*)(x)+3*sizeof(Dict_ptr))]
-#define DICT_infoffset (3*sizeof(Dict_ptr)+2*sizeof(short))
-#define DICT_pagesize(x) ((x)->head.page_size)
+#define DICT_bsize(x) 2[(short*)((char*)(x)+2*sizeof(Dict_ptr))]
+#define DICT_nodir(x) 0[(short*)((char*)(x)+2*sizeof(Dict_ptr))]
+#define DICT_size(x) 1[(short*)((char*)(x)+2*sizeof(Dict_ptr))]
+#define DICT_infoffset (2*sizeof(Dict_ptr)+3*sizeof(short))
+#define DICT_xxxxpagesize(x) ((x)->head.page_size)
#define DICT_to_str(x) sizeof(Dict_info)+sizeof(Dict_ptr)
dir[0..nodir-1]
ptr,info,string
*/
+#ifdef __cplusplus
+}
+#endif
#endif
projects / idzebra-moved-to-github.git / blobdiff