2 * Copyright (C) 1994-1995, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.25 1995-11-21 15:29:12 adam
8 * Config file 'base' read by default by both indexer and server.
10 * Revision 1.24 1995/11/21 15:01:15 adam
11 * New general match criteria implemented.
12 * New feature: document groups.
14 * Revision 1.23 1995/11/20 16:59:45 adam
15 * New update method: the 'old' keys are saved for each records.
17 * Revision 1.22 1995/11/20 11:56:26 adam
18 * Work on new traversal.
20 * Revision 1.21 1995/11/16 15:34:55 adam
21 * Uses new record management system in both indexer and server.
23 * Revision 1.20 1995/11/15 14:46:18 adam
24 * Started work on better record management system.
26 * Revision 1.19 1995/10/27 14:00:11 adam
27 * Implemented detection of database availability.
29 * Revision 1.18 1995/10/17 18:02:08 adam
30 * New feature: databases. Implemented as prefix to words in dictionary.
32 * Revision 1.17 1995/10/13 16:01:49 adam
35 * Revision 1.16 1995/10/10 12:24:38 adam
36 * Temporary sort files are compressed.
38 * Revision 1.15 1995/10/04 16:57:19 adam
39 * Key input and merge sort in one pass.
41 * Revision 1.14 1995/09/29 14:01:40 adam
44 * Revision 1.13 1995/09/28 14:22:56 adam
45 * Sort uses smaller temporary files.
47 * Revision 1.12 1995/09/28 12:10:32 adam
48 * Bug fixes. Field prefix used in queries.
50 * Revision 1.11 1995/09/27 12:22:28 adam
51 * More work on extract in record control.
52 * Field name is not in isam keys but in prefix in dictionary words.
54 * Revision 1.10 1995/09/14 07:48:23 adam
55 * Record control management.
57 * Revision 1.9 1995/09/11 13:09:33 adam
58 * More work on relevance feedback.
60 * Revision 1.8 1995/09/08 14:52:27 adam
61 * Minor changes. Dictionary is lower case now.
63 * Revision 1.7 1995/09/06 16:11:16 adam
64 * Option: only one word key per file.
66 * Revision 1.6 1995/09/05 15:28:39 adam
67 * More work on search engine.
69 * Revision 1.5 1995/09/04 12:33:42 adam
70 * Various cleanup. YAZ util used instead.
72 * Revision 1.4 1995/09/04 09:10:35 adam
73 * More work on index add/del/update.
74 * Merge sort implemented.
75 * Initial work on z39 server.
77 * Revision 1.3 1995/09/01 14:06:35 adam
78 * Split of work into more files.
80 * Revision 1.2 1995/09/01 10:30:24 adam
81 * More work on indexing. Not working yet.
83 * Revision 1.1 1995/08/31 14:50:24 adam
84 * New simple file index tool.
92 #define IT_MAX_WORD 256
93 #define IT_KEY_HAVE_SEQNO 1
94 #define IT_KEY_HAVE_FIELD 0
101 enum dirsKind { dirs_dir, dirs_file };
122 struct dirs_info *dirs_open (Dict dict, const char *rep);
123 struct dirs_entry *dirs_read (struct dirs_info *p);
124 struct dirs_entry *dirs_last (struct dirs_info *p);
125 void dirs_mkdir (struct dirs_info *p, const char *src, int ctime);
126 void dirs_rmdir (struct dirs_info *p, const char *src);
127 void dirs_add (struct dirs_info *p, const char *src, int sysno, int ctime);
128 void dirs_del (struct dirs_info *p, const char *src);
129 void dirs_free (struct dirs_info **pp);
131 struct dir_entry *dir_open (const char *rep);
132 void dir_sort (struct dir_entry *e);
133 void dir_free (struct dir_entry **e_p);
135 void repositoryUpdate (struct recordGroup *rGroup);
136 void repositoryExtract (struct recordGroup *rGroup);
138 void key_open (int mem);
139 int key_close (void);
140 void key_write (int cmd, struct it_key *k, const char *str);
141 int key_compare (const void *p1, const void *p2);
142 int key_qsort_compare (const void *p1, const void *p2);
143 void key_logdump (int mask, const void *p);
144 void key_input (const char *dict_fname, const char *isam_fname,
145 int nkeys, int cache);
146 int merge_sort (char **buf, int from, int to);
148 #define TEMP_FNAME "keys%d.tmp"
149 #define FNAME_WORD_DICT "worddict"
150 #define FNAME_WORD_ISAM "wordisam"
152 struct strtab *strtab_mk (void);
153 int strtab_src (struct strtab *t, const char *name, void ***infop);
154 void strtab_del (struct strtab *t,
155 void (*func)(const char *name, void *info, void *data),
157 int index_char_cvt (int c);
158 int index_word_prefix (char *string, int attset_ordinal,
159 int local_attribute, const char *databaseName);
161 int fileExtract (SYSNO *sysno, const char *fname,
162 struct recordGroup *rGroup, int deleteFlag);