/*
- * Copyright (c) 1995, Index Data
+ * Copyright (c) 1995-2002, Index Data
* See the file LICENSE for details.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: marcdisp.c,v $
- * Revision 1.4 1995-09-29 17:12:34 quinn
- * Smallish
- *
- * Revision 1.3 1995/09/27 15:03:03 quinn
- * Modified function heads & prototypes.
- *
- * Revision 1.2 1995/05/16 08:51:12 quinn
- * License, documentation, and memory fixes
- *
- * Revision 1.1 1995/04/10 10:28:46 quinn
- * Added copy of CCL and MARC display
*
+ * $Id: marcdisp.c,v 1.18 2002-02-28 13:21:16 adam Exp $
*/
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
#include <stdio.h>
#include <string.h>
#include <ctype.h>
-#include <marcdisp.h>
-
-#define ISO2709_RS 035
-#define ISO2709_FS 036
-#define ISO2709_IDFS 037
-
-int atoi_n (const char *buf, int len)
-{
- int val = 0;
-
- while (--len >= 0)
- {
- if (isdigit (*buf))
- val = val*10 + (*buf - '0');
- buf++;
- }
- return val;
-}
+#include <yaz/marcdisp.h>
+#include <yaz/wrbuf.h>
+#include <yaz/yaz-util.h>
-int marc_display (const char *buf, FILE *outf)
+int yaz_marc_decode (const char *buf, WRBUF wr, int debug, int bsize, int xml)
{
int entry_p;
int record_length;
record_length = atoi_n (buf, 5);
if (record_length < 25)
+ {
+ if (debug)
+ {
+ char str[40];
+
+ sprintf (str, "Record length %d - aborting\n", record_length);
+ wrbuf_puts (wr, str);
+ }
return -1;
- indicator_length = atoi_n (buf+10, 1);
- identifier_length = atoi_n (buf+11, 1);
- base_address = atoi_n (buf+12, 4);
+ }
+ /* ballout if bsize is known and record_length is than that */
+ if (bsize != -1 && record_length > bsize)
+ return -1;
+ if (isdigit(buf[10]))
+ indicator_length = atoi_n (buf+10, 1);
+ else
+ indicator_length = 2;
+ if (isdigit(buf[11]))
+ identifier_length = atoi_n (buf+11, 1);
+ else
+ identifier_length = 2;
+ base_address = atoi_n (buf+12, 5);
length_data_entry = atoi_n (buf+20, 1);
length_starting = atoi_n (buf+21, 1);
length_implementation = atoi_n (buf+22, 1);
+ if (debug)
+ {
+ char str[40];
+ sprintf (str, "Record length %5d\n", record_length);
+ wrbuf_puts (wr, str);
+ sprintf (str, "Indicator length %5d\n", indicator_length);
+ wrbuf_puts (wr, str);
+ sprintf (str, "Identifier length %5d\n", identifier_length);
+ wrbuf_puts (wr, str);
+ sprintf (str, "Base address %5d\n", base_address);
+ wrbuf_puts (wr, str);
+ sprintf (str, "Length data entry %5d\n", length_data_entry);
+ wrbuf_puts (wr, str);
+ sprintf (str, "Length starting %5d\n", length_starting);
+ wrbuf_puts (wr, str);
+ sprintf (str, "Length implementation %5d\n", length_implementation);
+ wrbuf_puts (wr, str);
+ }
for (entry_p = 24; buf[entry_p] != ISO2709_FS; )
+ {
entry_p += 3+length_data_entry+length_starting;
+ if (entry_p >= record_length)
+ return -1;
+ }
base_address = entry_p+1;
for (entry_p = 24; buf[entry_p] != ISO2709_FS; )
{
int end_offset;
int i, j;
char tag[4];
+ int identifier_flag = 1;
memcpy (tag, buf+entry_p, 3);
entry_p += 3;
tag[3] = '\0';
- fprintf (outf, "%s ", tag);
+ if (xml)
+ {
+ wrbuf_puts (wr, "<field name=\"");
+ wrbuf_puts (wr, tag);
+ wrbuf_puts (wr, "\"");
+ }
+ else
+ {
+ if (debug)
+ wrbuf_puts (wr, "Tag: ");
+ wrbuf_puts (wr, tag);
+ wrbuf_puts (wr, " ");
+ }
data_length = atoi_n (buf+entry_p, length_data_entry);
entry_p += length_data_entry;
data_offset = atoi_n (buf+entry_p, length_starting);
entry_p += length_starting;
i = data_offset + base_address;
end_offset = i+data_length-1;
- if (memcmp (tag, "00", 2) && indicator_length)
+
+ if (indicator_length < 4 && indicator_length > 0)
+ {
+ if (buf[i + indicator_length] != ISO2709_IDFS)
+ identifier_flag = 0;
+ }
+ else if (!memcmp (tag, "00", 2))
+ identifier_flag = 0;
+
+ if (identifier_flag)
{
- for (j = 0; j<indicator_length; j++)
- fprintf (outf, "%c", buf[i++]);
+ if (debug)
+ wrbuf_puts (wr, " Ind: ");
+ for (j = 0; j<indicator_length; j++, i++)
+ {
+ if (xml)
+ {
+ char nostr[30];
+ sprintf (nostr, " indicator%d=\"%c\"", j+1, buf[i]);
+ wrbuf_puts (wr, nostr);
+ }
+ else
+ wrbuf_putc (wr, buf[i]);
+ }
}
+ if (xml)
+ {
+ wrbuf_puts (wr, ">");
+ if (identifier_flag)
+ wrbuf_puts (wr, "\n");
+ }
+ else
+ {
+ if (debug)
+ wrbuf_puts (wr, " Fields: ");
+ }
while (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS && i < end_offset)
{
- if (memcmp (tag, "00", 2) && identifier_length)
+ if (identifier_flag)
{
i++;
- fprintf (outf, " $");
- for (j = 1; j<identifier_length; j++)
- fprintf (outf, "%c", buf[i++]);
- fprintf (outf, " ");
+ if (xml)
+ {
+ wrbuf_puts (wr, " <field name=\"");
+ for (j = 1; j<identifier_length; j++, i++)
+ wrbuf_putc (wr, buf[i]);
+ wrbuf_puts (wr, "\">");
+ }
+ else
+ {
+ wrbuf_puts (wr, " $");
+ for (j = 1; j<identifier_length; j++, i++)
+ wrbuf_putc (wr, buf[i]);
+ wrbuf_putc (wr, ' ');
+ }
while (buf[i] != ISO2709_RS && buf[i] != ISO2709_IDFS &&
buf[i] != ISO2709_FS && i < end_offset)
- fprintf (outf, "%c", buf[i++]);
+ {
+ wrbuf_putc (wr, buf[i]);
+ i++;
+ }
+ if (xml)
+ wrbuf_puts (wr, "</field>\n");
}
else
- fprintf (outf, "%c", buf[i++]);
+ {
+ wrbuf_putc (wr, buf[i]);
+ i++;
+ }
}
- fprintf (outf, "\n");
+ if (!xml)
+ wrbuf_putc (wr, '\n');
if (i < end_offset)
- fprintf (outf, "-- separator but not at end of field\n");
+ wrbuf_puts (wr, " <!-- separator but not at end of field -->\n");
if (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS)
- fprintf (outf, "-- no separator at end of field\n");
+ wrbuf_puts (wr, " <!-- no separator at end of field -->\n");
+ if (xml)
+ wrbuf_puts (wr, "</field>\n");
}
+ wrbuf_puts (wr, "");
+ return record_length;
+}
+
+int marc_display_wrbuf (const char *buf, WRBUF wr, int debug,
+ int bsize)
+{
+ return yaz_marc_decode (buf, wr, debug, bsize, 0);
+}
+
+int marc_display_exl (const char *buf, FILE *outf, int debug, int length)
+{
+ int record_length;
+
+ WRBUF wrbuf = wrbuf_alloc ();
+ record_length = marc_display_wrbuf (buf, wrbuf, debug, length);
+ if (!outf)
+ outf = stdout;
+ if (record_length > 0)
+ fwrite (wrbuf_buf(wrbuf), 1, wrbuf_len(wrbuf), outf);
+ wrbuf_free (wrbuf, 1);
return record_length;
}
+int marc_display_ex (const char *buf, FILE *outf, int debug)
+{
+ return marc_display_exl (buf, outf, debug, -1);
+}
+
+int marc_display (const char *buf, FILE *outf)
+{
+ return marc_display_ex (buf, outf, 0);
+}
+
+
projects / yaz-moved-to-github.git / blobdiff