Work on new traversal.

[idzebra-moved-to-github.git] / index / index.h

diff --git a/index/index.h b/index/index.h
index ac519d2..7989608 100644 (file)
--- a/index/index.h
+++ b/index/index.h
@@ -4,7 +4,47 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: index.h,v $
- * Revision 1.9  1995-09-11 13:09:33  adam
+ * 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
@@ -44,43 +84,65 @@
 #define IT_KEY_HAVE_FIELD 0
 
 struct it_key {
-    int sysno;
-#if IT_KEY_HAVE_SEQNO
-    int seqno;
-#else
-    int freq;
-#endif
-#if IT_KEY_HAVE_FIELD
-    int field;
-#endif
+    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];
+    int 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_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_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);
+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);
@@ -88,3 +150,6 @@ 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, char *databaseName);
+