* Copyright (c) 2000-2002, Index Data.
* See the file LICENSE for details.
*
- * $Id: isamb.c,v 1.10 2002-04-26 08:44:47 adam Exp $
+ * $Id: isamb.c,v 1.11 2002-04-29 18:03:46 adam Exp $
*/
#include <yaz/xmalloc.h>
#include <yaz/log.h>
struct ISAMB_PP_s {
ISAMB isamb;
int level;
+ int total_size;
+ int no_blocks;
struct ISAMB_block **block;
};
return pos;
}
-ISAMB_PP isamb_pp_open (ISAMB isamb, ISAMB_P pos)
+ISAMB_PP isamb_pp_open_x (ISAMB isamb, ISAMB_P pos, int *level)
{
ISAMB_PP pp = xmalloc (sizeof(*pp));
pp->block = xmalloc (10 * sizeof(*pp->block));
pp->level = 0;
+ pp->total_size = 0;
+ pp->no_blocks = 0;
while (1)
{
struct ISAMB_block *p = open_block (isamb, pos);
char *src = p->bytes + p->offset;
pp->block[pp->level] = p;
+ pp->total_size += p->size;
+ pp->no_blocks++;
+
if (p->bytes[0]) /* leaf */
break;
pp->level++;
}
pp->block[pp->level+1] = 0;
+ if (level)
+ *level = pp->level;
return pp;
}
-void isamb_pp_close (ISAMB_PP pp)
+ISAMB_PP isamb_pp_open (ISAMB isamb, ISAMB_P pos)
+{
+ return isamb_pp_open_x (isamb, pos, 0);
+}
+
+void isamb_pp_close_x (ISAMB_PP pp, int *size, int *blocks)
{
int i;
if (!pp)
return;
+ if (size)
+ *size = pp->total_size;
+ if (blocks)
+ *blocks = pp->no_blocks;
for (i = 0; i <= pp->level; i++)
close_block (pp->isamb, pp->block[i]);
xfree (pp->block);
xfree (pp);
}
+int isamb_block_info (ISAMB isamb, int cat)
+{
+ if (cat >= 0 && cat < isamb->no_cat)
+ return isamb->file[cat].head.block_size;
+ return -1;
+}
+
+void isamb_pp_close (ISAMB_PP pp)
+{
+ return isamb_pp_close_x (pp, 0, 0);
+}
+
int isamb_pp_read (ISAMB_PP pp, void *buf)
{
char *dst = buf;
while (1)
{
pp->block[pp->level] = p = open_block (pp->isamb, pos);
+
+ pp->total_size += p->size;
+ pp->no_blocks++;
if (p->leaf) /* leaf */
{