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