/*
- * Copyright (C) 1995, Index Data I/S
+ * Copyright (C) 1994-1995, Index Data I/S
* All rights reserved.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: extract.c,v $
- * Revision 1.3 1995-09-04 12:33:41 adam
+ * Revision 1.5 1995-09-06 16:11:16 adam
+ * Option: only one word key per file.
+ *
+ * Revision 1.4 1995/09/05 15:28:39 adam
+ * More work on search engine.
+ *
+ * Revision 1.3 1995/09/04 12:33:41 adam
* Various cleanup. YAZ util used instead.
*
* Revision 1.2 1995/09/04 09:10:34 adam
static Dict file_idx;
static SYSNO sysno_next;
static int key_fd = -1;
+static int sys_idx_fd = -1;
static char *key_buf;
static int key_offset;
return;
if ((key_fd = open (fname, O_RDWR|O_CREAT, 0666)) == -1)
{
- logf (LOG_FATAL|LOG_ERRNO, "Creat %s", fname);
+ logf (LOG_FATAL|LOG_ERRNO, "open %s", fname);
exit (1);
}
logf (LOG_DEBUG, "key_open of %s", fname);
exit (1);
}
key_offset = 0;
- if (!(file_idx = dict_open ("fileidx", 10, 1)))
+ if (!(file_idx = dict_open (FNAME_FILE_DICT, 40, 1)))
{
logf (LOG_FATAL, "dict_open fail of %s", "fileidx");
exit (1);
memcpy (&sysno_next, (char*)file_key+1, sizeof(sysno_next));
else
sysno_next = 1;
+ if ((sys_idx_fd = open (FNAME_SYS_IDX, O_RDWR|O_CREAT, 0666)) == -1)
+ {
+ logf (LOG_FATAL|LOG_ERRNO, "open %s", FNAME_SYS_IDX);
+ exit (1);
+ }
}
int key_close (void)
return 0;
}
close (key_fd);
+ close (sys_idx_fd);
dict_insert (file_idx, ".", sizeof(sysno_next), &sysno_next);
dict_close (file_idx);
key_fd = -1;
key_offset += sizeof(*k);
}
-void text_extract (SYSNO sysno, int cmd, const char *fname)
+void key_write_x (struct strtab *t, int cmd, struct it_key *k, const char *str)
+{
+ void **oldinfo;
+
+ if (strtab_src (t, str, &oldinfo))
+ ((struct it_key *) *oldinfo)->seqno++;
+ else
+ {
+ *oldinfo = xmalloc (sizeof(*k));
+ memcpy (*oldinfo, k, sizeof(*k));
+ ((struct it_key *) *oldinfo)->seqno = 1;
+ }
+}
+
+void key_rec_flush (const char *str, void *info, void *data)
+{
+ key_write (*((int*) data), (struct it_key *)info, str);
+ xfree (info);
+}
+
+void text_extract (struct strtab *t, SYSNO sysno, int cmd, const char *fname)
{
FILE *inf;
struct it_key k;
w[i] = 0;
k.seqno = seqno++;
+#if IT_KEY_HAVE_FIELD
k.field = 0;
- key_write (cmd, &k, w);
+#endif
+ key_write_x (t, cmd, &k, w);
}
if (c == EOF)
break;
char ext_res[128];
const char *file_type;
void *file_info;
+ struct strtab *t;
logf (LOG_DEBUG, "%c %s k=%s", cmd, fname, kname);
for (i = strlen(fname); --i >= 0; )
{
sysno = sysno_next++;
dict_insert (file_idx, kname, sizeof(sysno), &sysno);
+ lseek (sys_idx_fd, sysno * SYS_IDX_ENTRY_LEN, SEEK_SET);
+ write (sys_idx_fd, kname, strlen(kname)+1);
}
else
memcpy (&sysno, (char*) file_info+1, sizeof(sysno));
+ t = strtab_mk ();
if (!strcmp (file_type, "text"))
- text_extract (sysno, cmd, fname);
+ text_extract (t, sysno, cmd, fname);
+ strtab_del (t, key_rec_flush, &cmd);
}