* Sebastian Hammer, Adam Dickmeiss
*
* $Log: extract.c,v $
- * Revision 1.7 1995-09-11 13:09:32 adam
+ * Revision 1.8 1995-09-14 07:48:22 adam
+ * Record control management.
+ *
+ * Revision 1.7 1995/09/11 13:09:32 adam
* More work on relevance feedback.
*
* Revision 1.6 1995/09/08 14:52:27 adam
#include <ctype.h>
#include <alexutil.h>
+#include <rectext.h>
#include "index.h"
-#define KEY_BUF_SIZE 100000
-
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;
+static int key_offset, key_buf_size;
+static int key_cmd;
+static int key_sysno;
void key_open (const char *fname)
{
exit (1);
}
logf (LOG_DEBUG, "key_open of %s", fname);
- if (!(key_buf = malloc (KEY_BUF_SIZE)))
- {
- logf (LOG_FATAL|LOG_ERRNO, "malloc");
- exit (1);
- }
+ key_buf_size = 49100;
+ key_buf = xmalloc (key_buf_size);
key_offset = 0;
if (!(file_idx = dict_open (FNAME_FILE_DICT, 40, 1)))
{
dict_insert (file_idx, ".", sizeof(sysno_next), &sysno_next);
dict_close (file_idx);
key_fd = -1;
- logf (LOG_DEBUG, "key close - key file exist");
+ xfree (key_buf);
return 1;
}
-void key_flush (void)
+void wordFlush (int sysno)
{
size_t i = 0;
int w;
key_offset = 0;
}
-void key_write (int cmd, struct it_key *k, const char *str)
+static void wordInit (RecWord *p)
{
- char x;
- size_t slen = strlen(str);
-
- if (key_offset + sizeof(*k) + slen >= KEY_BUF_SIZE - 2)
- key_flush ();
- x = (cmd == 'a') ? 1 : 0;
- memcpy (key_buf + key_offset, str, slen+1);
- key_offset += slen+1;
- memcpy (key_buf + key_offset, &x, 1);
- key_offset++;
- memcpy (key_buf + key_offset, k, sizeof(*k));
- key_offset += sizeof(*k);
+ p->attrSet = 1;
+ p->attrUse = 1;
+ p->which = Word_String;
}
-#if !IT_KEY_HAVE_SEQNO
-void key_write_x (struct strtab *t, int cmd, struct it_key *k, const char *str)
+static void wordAdd (const RecWord *p)
{
- void **oldinfo;
+ struct it_key key;
+ char x;
+ size_t i;
- if (strtab_src (t, str, &oldinfo))
- ((struct it_key *) *oldinfo)->freq++;
- else
+ if (key_offset + 1000 > key_buf_size)
{
- *oldinfo = xmalloc (sizeof(*k));
- memcpy (*oldinfo, k, sizeof(*k));
- ((struct it_key *) *oldinfo)->freq = 1;
- }
-}
-#endif
-
-void key_rec_flush (const char *str, void *info, void *data)
-{
- key_write (*((int*) data), (struct it_key *)info, str);
- xfree (info);
-}
+ char *new_key_buf;
-void text_extract (struct strtab *t, SYSNO sysno, int cmd, const char *fname)
-{
- FILE *inf;
- struct it_key k;
-#if IT_KEY_HAVE_SEQNO
- int seqno = 1;
-#endif
- int c;
- char w[IT_MAX_WORD];
-
- logf (LOG_DEBUG, "Text extract of %d", sysno);
- k.sysno = sysno;
- inf = fopen (fname, "r");
- if (!inf)
- {
- logf (LOG_WARN|LOG_ERRNO, "open %s", fname);
- return;
+ key_buf_size *= 2;
+ new_key_buf = xmalloc (2*key_buf_size);
+ memcpy (new_key_buf, key_buf, key_offset);
+ xfree (key_buf);
+ key_buf = new_key_buf;
}
- while ((c=getc (inf)) != EOF)
+ switch (p->which)
{
- int i = 0;
- while (i < IT_MAX_WORD-1 && c != EOF && isalnum(c))
- {
- w[i++] = index_char_cvt (c);
- c = getc (inf);
- }
- if (i)
- {
- w[i] = 0;
-
-#if IT_KEY_HAVE_FIELD
- k.field = 0;
-#endif
-#if IT_KEY_HAVE_SEQNO
- k.seqno = seqno++;
- key_write (cmd, &k, w);
-#else
- key_write_x (t, cmd, &k, w);
-#endif
- }
- if (c == EOF)
- break;
+ case Word_String:
+ for (i = 0; p->u.string[i]; i++)
+ key_buf[key_offset++] = index_char_cvt (p->u.string[i]);
+ key_buf[key_offset++] = '\0';
+ break;
+ default:
+ return ;
}
- fclose (inf);
+ x = (key_cmd == 'a') ? 1 : 0;
+ memcpy (key_buf + key_offset, &x, 1);
+ key_offset++;
+
+ key.sysno = key_sysno;
+ key.attrSet = p->attrSet;
+ key.attrUse = p->attrUse;
+ key.seqno = p->seqno;
+ memcpy (key_buf + key_offset, &key, sizeof(key));
+ key_offset += sizeof(key);
}
void file_extract (int cmd, const char *fname, const char *kname)
char ext_res[128];
const char *file_type;
void *file_info;
- struct strtab *t;
+ FILE *inf;
+ struct recExtractCtrl extractCtrl;
+ RecType rt;
logf (LOG_DEBUG, "%c %s k=%s", cmd, fname, kname);
for (i = strlen(fname); --i >= 0; )
}
else
memcpy (&sysno, (char*) file_info+1, sizeof(sysno));
- t = strtab_mk ();
+
+ if (!(inf = fopen (fname, "r")))
+ {
+ logf (LOG_WARN|LOG_ERRNO, "open %s", fname);
+ return;
+ }
if (!strcmp (file_type, "text"))
- text_extract (t, sysno, cmd, fname);
- strtab_del (t, key_rec_flush, &cmd);
+ rt = recTypeText;
+ else
+ return;
+ extractCtrl.inf = inf;
+ extractCtrl.subType = "";
+ extractCtrl.init = wordInit;
+ extractCtrl.add = wordAdd;
+ key_sysno = sysno;
+ key_cmd = cmd;
+ (*rt->extract)(&extractCtrl);
+ fclose (inf);
+ wordFlush (sysno);
}
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: kcompare.c,v $
- * Revision 1.5 1995-09-11 13:09:34 adam
+ * Revision 1.6 1995-09-14 07:48:23 adam
+ * Record control management.
+ *
+ * Revision 1.5 1995/09/11 13:09:34 adam
* More work on relevance feedback.
*
* Revision 1.4 1995/09/08 14:52:27 adam
struct it_key key;
memcpy (&key, p, sizeof(key));
-#if IT_KEY_HAVE_SEQNO
- logf (logmask, "%7d s=%-3d", key.sysno, key.seqno);
-#else
- logf (logmask, "%7d f=%-3d", key.sysno, key.freq);
-#endif
+ logf (logmask, "%7d s=%-4d f=%d,%d", key.sysno, key.seqno,
+ key.attrSet, key.attrUse);
}
int key_compare (const void *p1, const void *p2)
return -1;
}
#endif
-#if IT_KEY_HAVE_FIELD
- if (i1.field != i2.field)
+ if (i1.attrSet != i2.attrSet)
{
- if (i1.field > i2.field)
+ if (i1.attrSet > i2.attrSet)
+ return 1;
+ else
+ return -1;
+ }
+ if (i1.attrUse != i2.attrUse)
+ {
+ if (i1.attrUse > i2.attrUse)
return 1;
else
return -1;
}
-#endif
return 0;
}