/*
- * 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 1.3 1995-09-01 14:06:35 adam
+ * Revision 1.23 1995-11-20 16:59:45 adam
+ * New update method: the 'old' keys are saved for each records.
+ *
+ * Revision 1.22 1995/11/20 11:56:26 adam
+ * Work on new traversal.
+ *
+ * Revision 1.21 1995/11/16 15:34:55 adam
+ * Uses new record management system in both indexer and server.
+ *
+ * Revision 1.20 1995/11/15 14:46:18 adam
+ * Started work on better record management system.
+ *
+ * Revision 1.19 1995/10/27 14:00:11 adam
+ * Implemented detection of database availability.
+ *
+ * Revision 1.18 1995/10/17 18:02:08 adam
+ * New feature: databases. Implemented as prefix to words in dictionary.
+ *
+ * Revision 1.17 1995/10/13 16:01:49 adam
+ * Work on relations.
+ *
+ * Revision 1.16 1995/10/10 12:24:38 adam
+ * Temporary sort files are compressed.
+ *
+ * Revision 1.15 1995/10/04 16:57:19 adam
+ * Key input and merge sort in one pass.
+ *
+ * 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.
+ *
+ * Revision 1.3 1995/09/01 14:06:35 adam
* Split of work into more files.
*
* Revision 1.2 1995/09/01 10:30:24 adam
*
*/
-#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;
+ int seqno;
};
+enum dirsKind { dirs_dir, dirs_file };
+
struct dir_entry {
+ enum dirsKind kind;
char *name;
+ int ctime;
};
+struct dirs_entry {
+ enum dirsKind kind;
+ char path[256];
+ SYSNO sysno;
+ int ctime;
+};
+
+struct dirs_info *dirs_open (Dict dict, const char *rep);
+struct dirs_entry *dirs_read (struct dirs_info *p);
+struct dirs_entry *dirs_last (struct dirs_info *p);
+void dirs_mkdir (struct dirs_info *p, const char *src, int ctime);
+void dirs_rmdir (struct dirs_info *p, const char *src);
+void dirs_add (struct dirs_info *p, const char *src, int sysno, int ctime);
+void dirs_del (struct dirs_info *p, const char *src);
+void dirs_free (struct dirs_info **pp);
+
struct dir_entry *dir_open (const char *rep);
void dir_sort (struct dir_entry *e);
void dir_free (struct dir_entry **e_p);
-void repository (int cmd, const char *rep, const char *base_path);
+void repository (int cmd, const char *rep, const char *base_path,
+ char *databaseName);
+void repositoryUpdate (const char *path, char *databaseName);
-void file_extract (int cmd, const char *fname, const char *kname);
+SYSNO file_extract (int cmd, const char *fname, const char *kname,
+ char *databaseName);
-void key_open (const char *fname);
-void key_close (void);
-void key_flush (void);
+void key_open (int mem);
+int key_close (void);
void key_write (int cmd, struct it_key *k, const char *str);
+int key_compare (const void *p1, const void *p2);
+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,
+ int nkeys, int cache);
+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 RECORD_BASE 1
+
+#if !RECORD_BASE
+#define FNAME_SYS_IDX "sysidx"
+#define SYS_IDX_ENTRY_LEN 120
+#endif
+
+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 attset_ordinal,
+ int local_attribute, const char *databaseName);
+
+int fileExtract (SYSNO *sysno, const char *fname, const char *databaseName,
+ int deleteFlag);