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