2 * Copyright (C) 1994-1995, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.19 1995-10-27 14:00:11 adam
8 * Implemented detection of database availability.
10 * Revision 1.18 1995/10/17 18:02:08 adam
11 * New feature: databases. Implemented as prefix to words in dictionary.
13 * Revision 1.17 1995/10/13 16:01:49 adam
16 * Revision 1.16 1995/10/10 12:24:38 adam
17 * Temporary sort files are compressed.
19 * Revision 1.15 1995/10/04 16:57:19 adam
20 * Key input and merge sort in one pass.
22 * Revision 1.14 1995/09/29 14:01:40 adam
25 * Revision 1.13 1995/09/28 14:22:56 adam
26 * Sort uses smaller temporary files.
28 * Revision 1.12 1995/09/28 12:10:32 adam
29 * Bug fixes. Field prefix used in queries.
31 * Revision 1.11 1995/09/27 12:22:28 adam
32 * More work on extract in record control.
33 * Field name is not in isam keys but in prefix in dictionary words.
35 * Revision 1.10 1995/09/14 07:48:23 adam
36 * Record control management.
38 * Revision 1.9 1995/09/11 13:09:33 adam
39 * More work on relevance feedback.
41 * Revision 1.8 1995/09/08 14:52:27 adam
42 * Minor changes. Dictionary is lower case now.
44 * Revision 1.7 1995/09/06 16:11:16 adam
45 * Option: only one word key per file.
47 * Revision 1.6 1995/09/05 15:28:39 adam
48 * More work on search engine.
50 * Revision 1.5 1995/09/04 12:33:42 adam
51 * Various cleanup. YAZ util used instead.
53 * Revision 1.4 1995/09/04 09:10:35 adam
54 * More work on index add/del/update.
55 * Merge sort implemented.
56 * Initial work on z39 server.
58 * Revision 1.3 1995/09/01 14:06:35 adam
59 * Split of work into more files.
61 * Revision 1.2 1995/09/01 10:30:24 adam
62 * More work on indexing. Not working yet.
64 * Revision 1.1 1995/08/31 14:50:24 adam
65 * New simple file index tool.
73 #define IT_MAX_WORD 256
74 #define IT_KEY_HAVE_SEQNO 1
75 #define IT_KEY_HAVE_FIELD 0
86 struct dir_entry *dir_open (const char *rep);
87 void dir_sort (struct dir_entry *e);
88 void dir_free (struct dir_entry **e_p);
89 void repository (int cmd, const char *rep, const char *base_path,
92 void file_extract (int cmd, const char *fname, const char *kname,
95 void key_open (int mem);
97 void key_write (int cmd, struct it_key *k, const char *str);
98 int key_compare (const void *p1, const void *p2);
99 int key_qsort_compare (const void *p1, const void *p2);
100 void key_logdump (int mask, const void *p);
101 void key_input (const char *dict_fname, const char *isam_fname,
102 int nkeys, int cache);
103 int merge_sort (char **buf, int from, int to);
105 #define TEMP_FNAME "keys%d.tmp"
106 #define FNAME_WORD_DICT "worddict"
107 #define FNAME_WORD_ISAM "wordisam"
108 #define FNAME_FILE_DICT "filedict"
109 #define FNAME_SYS_IDX "sysidx"
110 #define SYS_IDX_ENTRY_LEN 120
112 struct strtab *strtab_mk (void);
113 int strtab_src (struct strtab *t, const char *name, void ***infop);
114 void strtab_del (struct strtab *t,
115 void (*func)(const char *name, void *info, void *data),
117 int index_char_cvt (int c);
118 int index_word_prefix (char *string, int attset_ordinal,
119 int local_attribute, char *databaseName);