/*
- * Copyright (C) 1995, Index Data I/S
+ * Copyright (C) 1994-1995, Index Data I/S
* All rights reserved.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: index.h,v $
- * Revision 1.4 1995-09-04 09:10:35 adam
+ * Revision 1.14 1995-09-29 14:01:40 adam
+ * Bug fixes.
+ *
+ * Revision 1.13 1995/09/28 14:22:56 adam
+ * Sort uses smaller temporary files.
+ *
+ * Revision 1.12 1995/09/28 12:10:32 adam
+ * Bug fixes. Field prefix used in queries.
+ *
+ * Revision 1.11 1995/09/27 12:22:28 adam
+ * More work on extract in record control.
+ * Field name is not in isam keys but in prefix in dictionary words.
+ *
+ * Revision 1.10 1995/09/14 07:48:23 adam
+ * Record control management.
+ *
+ * Revision 1.9 1995/09/11 13:09:33 adam
+ * More work on relevance feedback.
+ *
+ * Revision 1.8 1995/09/08 14:52:27 adam
+ * Minor changes. Dictionary is lower case now.
+ *
+ * Revision 1.7 1995/09/06 16:11:16 adam
+ * Option: only one word key per file.
+ *
+ * Revision 1.6 1995/09/05 15:28:39 adam
+ * More work on search engine.
+ *
+ * Revision 1.5 1995/09/04 12:33:42 adam
+ * Various cleanup. YAZ util used instead.
+ *
+ * Revision 1.4 1995/09/04 09:10:35 adam
* More work on index add/del/update.
* Merge sort implemented.
* Initial work on z39 server.
*
*/
-#include <util.h>
+#include <alexutil.h>
#include <dict.h>
#include <isam.h>
+#define IT_MAX_WORD 256
+#define IT_KEY_HAVE_SEQNO 1
+#define IT_KEY_HAVE_FIELD 0
+
struct it_key {
- int sysno;
- int seqno;
- int field;
+ int sysno : 24;
+ int seqno : 16;
};
struct dir_entry {
void file_extract (int cmd, const char *fname, const char *kname);
-void key_open (const char *fname);
+void key_open (int mem);
int key_close (void);
-void key_flush (void);
void key_write (int cmd, struct it_key *k, const char *str);
int key_compare (const void *p1, const void *p2);
-int key_compare_x (const struct it_key *i1, const struct it_key *i2);
+int key_qsort_compare (const void *p1, const void *p2);
+void key_logdump (int mask, const void *p);
void key_input (const char *dict_fname, const char *isam_fname,
const char *key_fname, int cache);
-int key_sort (const char *key_fname, size_t mem);
+int merge_sort (char **buf, int from, int to);
+
+#define TEMP_FNAME "keys%d.tmp"
+#define FNAME_WORD_DICT "worddict"
+#define FNAME_WORD_ISAM "wordisam"
+#define FNAME_FILE_DICT "filedict"
+#define FNAME_SYS_IDX "sysidx"
+#define SYS_IDX_ENTRY_LEN 120
+
+struct strtab *strtab_mk (void);
+int strtab_src (struct strtab *t, const char *name, void ***infop);
+void strtab_del (struct strtab *t,
+ void (*func)(const char *name, void *info, void *data),
+ void *data);
+int index_char_cvt (int c);
+int index_word_prefix (char *string, int attrSet, int attrUse);