2 * Copyright (C) 1994-1995, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.22 1995-11-20 11:56:26 adam
8 * Work on new traversal.
10 * Revision 1.21 1995/11/16 15:34:55 adam
11 * Uses new record management system in both indexer and server.
13 * Revision 1.20 1995/11/15 14:46:18 adam
14 * Started work on better record management system.
16 * Revision 1.19 1995/10/27 14:00:11 adam
17 * Implemented detection of database availability.
19 * Revision 1.18 1995/10/17 18:02:08 adam
20 * New feature: databases. Implemented as prefix to words in dictionary.
22 * Revision 1.17 1995/10/13 16:01:49 adam
25 * Revision 1.16 1995/10/10 12:24:38 adam
26 * Temporary sort files are compressed.
28 * Revision 1.15 1995/10/04 16:57:19 adam
29 * Key input and merge sort in one pass.
31 * Revision 1.14 1995/09/29 14:01:40 adam
34 * Revision 1.13 1995/09/28 14:22:56 adam
35 * Sort uses smaller temporary files.
37 * Revision 1.12 1995/09/28 12:10:32 adam
38 * Bug fixes. Field prefix used in queries.
40 * Revision 1.11 1995/09/27 12:22:28 adam
41 * More work on extract in record control.
42 * Field name is not in isam keys but in prefix in dictionary words.
44 * Revision 1.10 1995/09/14 07:48:23 adam
45 * Record control management.
47 * Revision 1.9 1995/09/11 13:09:33 adam
48 * More work on relevance feedback.
50 * Revision 1.8 1995/09/08 14:52:27 adam
51 * Minor changes. Dictionary is lower case now.
53 * Revision 1.7 1995/09/06 16:11:16 adam
54 * Option: only one word key per file.
56 * Revision 1.6 1995/09/05 15:28:39 adam
57 * More work on search engine.
59 * Revision 1.5 1995/09/04 12:33:42 adam
60 * Various cleanup. YAZ util used instead.
62 * Revision 1.4 1995/09/04 09:10:35 adam
63 * More work on index add/del/update.
64 * Merge sort implemented.
65 * Initial work on z39 server.
67 * Revision 1.3 1995/09/01 14:06:35 adam
68 * Split of work into more files.
70 * Revision 1.2 1995/09/01 10:30:24 adam
71 * More work on indexing. Not working yet.
73 * Revision 1.1 1995/08/31 14:50:24 adam
74 * New simple file index tool.
82 #define IT_MAX_WORD 256
83 #define IT_KEY_HAVE_SEQNO 1
84 #define IT_KEY_HAVE_FIELD 0
91 enum dirsKind { dirs_dir, dirs_file };
106 struct dirs_info *dirs_open (Dict dict, const char *rep);
107 struct dirs_entry *dirs_read (struct dirs_info *p);
108 struct dirs_entry *dirs_last (struct dirs_info *p);
109 void dirs_mkdir (struct dirs_info *p, const char *src, int ctime);
110 void dirs_rmdir (struct dirs_info *p, const char *src);
111 void dirs_add (struct dirs_info *p, const char *src, int sysno, int ctime);
112 void dirs_del (struct dirs_info *p, const char *src);
113 void dirs_free (struct dirs_info **pp);
115 struct dir_entry *dir_open (const char *rep);
116 void dir_sort (struct dir_entry *e);
117 void dir_free (struct dir_entry **e_p);
118 void repository (int cmd, const char *rep, const char *base_path,
120 void repositoryUpdate (const char *path, char *databaseName);
122 SYSNO file_extract (int cmd, const char *fname, const char *kname,
125 void key_open (int mem);
126 int key_close (void);
127 void key_write (int cmd, struct it_key *k, const char *str);
128 int key_compare (const void *p1, const void *p2);
129 int key_qsort_compare (const void *p1, const void *p2);
130 void key_logdump (int mask, const void *p);
131 void key_input (const char *dict_fname, const char *isam_fname,
132 int nkeys, int cache);
133 int merge_sort (char **buf, int from, int to);
135 #define TEMP_FNAME "keys%d.tmp"
136 #define FNAME_WORD_DICT "worddict"
137 #define FNAME_WORD_ISAM "wordisam"
138 #define FNAME_FILE_DICT "filedict"
140 #define RECORD_BASE 1
143 #define FNAME_SYS_IDX "sysidx"
144 #define SYS_IDX_ENTRY_LEN 120
147 struct strtab *strtab_mk (void);
148 int strtab_src (struct strtab *t, const char *name, void ***infop);
149 void strtab_del (struct strtab *t,
150 void (*func)(const char *name, void *info, void *data),
152 int index_char_cvt (int c);
153 int index_word_prefix (char *string, int attset_ordinal,
154 int local_attribute, char *databaseName);