Key input and merge sort in one pass.

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

diff --git a/index/index.h b/index/index.h
index 6e7144a..08ced19 100644 (file)
--- a/index/index.h
+++ b/index/index.h
@@ -1,10 +1,41 @@
 /*
- * 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 1.5  1995-09-04 12:33:42  adam
+ * 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
@@ -27,10 +58,13 @@
 #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 {
@@ -44,12 +78,29 @@ void repository (int cmd, const char *rep, const char *base_path);
 
 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);
+void key_input2 (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 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);