/* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2013 Index Data
+ * Copyright (C) Index Data
* See the file LICENSE for details.
*/
/* TODO Map special codes to something possible for XML ELEMENT names */
int encode = 0;
- int index = 0;
+ size_t index = 0;
int success = 0;
for (index = 0; index < code_len; index++)
{
check_ascii(mt, leader, 7, 'a');
check_ascii(mt, leader, 8, '#');
check_ascii(mt, leader, 9, '#');
- if (!atoi_n_check(leader+10, 1, indicator_length))
+ if (!atoi_n_check(leader+10, 1, indicator_length) || *indicator_length == 0)
{
- yaz_marc_cprintf(mt,
- "Indicator length at offset 10 should hold a digit."
- " Assuming 2");
+ yaz_marc_cprintf(mt, "Indicator length at offset 10 should"
+ " hold a number 1-9. Assuming 2");
leader[10] = '2';
*indicator_length = 2;
}
- if (!atoi_n_check(leader+11, 1, identifier_length))
+ if (!atoi_n_check(leader+11, 1, identifier_length) || *identifier_length == 0)
{
- yaz_marc_cprintf(mt,
- "Identifier length at offset 11 should hold a digit."
- " Assuming 2");
+ yaz_marc_cprintf(mt, "Identifier length at offset 11 should "
+ " hold a number 1-9. Assuming 2");
leader[11] = '2';
*identifier_length = 2;
}
if (!atoi_n_check(leader+12, 5, base_address))
{
- yaz_marc_cprintf(mt,
- "Base address at offsets 12..16 should hold a number."
- " Assuming 0");
+ yaz_marc_cprintf(mt, "Base address at offsets 12..16 should"
+ " hold a number. Assuming 0");
*base_address = 0;
}
check_ascii(mt, leader, 17, '#');
check_ascii(mt, leader, 18, '#');
check_ascii(mt, leader, 19, '#');
- if (!atoi_n_check(leader+20, 1, length_data_entry))
+ if (!atoi_n_check(leader+20, 1, length_data_entry) ||
+ *length_data_entry < 3)
{
- yaz_marc_cprintf(mt,
- "Length data entry at offset 20 should hold a digit."
- " Assuming 4");
+ yaz_marc_cprintf(mt, "Length data entry at offset 20 should"
+ " hold a number 3-9. Assuming 4");
*length_data_entry = 4;
leader[20] = '4';
}
- if (!atoi_n_check(leader+21, 1, length_starting))
+ if (!atoi_n_check(leader+21, 1, length_starting) || *length_starting < 4)
{
- yaz_marc_cprintf(mt,
- "Length starting at offset 21 should hold a digit."
- " Assuming 5");
+ yaz_marc_cprintf(mt, "Length starting at offset 21 should"
+ " hold a number 4-9. Assuming 5");
*length_starting = 5;
leader[21] = '5';
}
if (!atoi_n_check(leader+22, 1, length_implementation))
{
- yaz_marc_cprintf(mt,
- "Length implementation at offset 22 should hold a digit."
- " Assuming 0");
+ yaz_marc_cprintf(mt, "Length implementation at offset 22 should"
+ " hold a number. Assuming 0");
*length_implementation = 0;
leader[22] = '0';
}
}
return 1; /* giving up */
}
+ else
+ {
+ int error = 0;
+ size_t no_read = 0;
+ (void) yaz_read_UTF8_char((const unsigned char *) buf, strlen(buf),
+ &no_read, &error);
+ if (error == 0 && no_read > 0)
+ return no_read;
+ }
return 1; /* we don't know */
}
return yaz_marc_write_iso2709(mt, wr);
case YAZ_MARC_CHECK:
return yaz_marc_write_check(mt, wr);
+ case YAZ_MARC_JSON:
+ return yaz_marc_write_json(mt, wr);
}
return -1;
}
return 0;
}
+int yaz_marc_write_json(yaz_marc_t mt, WRBUF w)
+{
+ int identifier_length;
+ struct yaz_marc_node *n;
+ const char *leader = 0;
+ int first = 1;
+
+ wrbuf_puts(w, "{\n");
+ for (n = mt->nodes; n; n = n->next)
+ if (n->which == YAZ_MARC_LEADER)
+ leader = n->u.leader;
+
+ if (!leader)
+ return -1;
+
+ if (!atoi_n_check(leader+11, 1, &identifier_length))
+ return -1;
+
+ wrbuf_puts(w, "\t\"leader\":\"");
+ wrbuf_json_puts(w, leader);
+ wrbuf_puts(w, "\",\n");
+ wrbuf_puts(w, "\t\"fields\":\n\t[\n");
+
+ for (n = mt->nodes; n; n = n->next)
+ {
+ struct yaz_marc_subfield *s;
+ const char *sep = "";
+ switch (n->which)
+ {
+ case YAZ_MARC_LEADER:
+ case YAZ_MARC_COMMENT:
+ break;
+ case YAZ_MARC_CONTROLFIELD:
+ if (first)
+ first = 0;
+ else
+ wrbuf_puts(w, ",\n");
+ wrbuf_puts(w, "\t\t{\n\t\t\t\"");
+ wrbuf_iconv_json_puts(w, mt->iconv_cd, n->u.controlfield.tag);
+ wrbuf_puts(w, "\":\"");
+ wrbuf_iconv_json_puts(w, mt->iconv_cd, n->u.controlfield.data);
+ wrbuf_puts(w, "\"\n\t\t}");
+ break;
+ case YAZ_MARC_DATAFIELD:
+ if (first)
+ first = 0;
+ else
+ wrbuf_puts(w, ",\n");
+
+ wrbuf_puts(w, "\t\t{\n\t\t\t\"");
+ wrbuf_json_puts(w, n->u.datafield.tag);
+ wrbuf_puts(w, "\":\n\t\t\t{\n\t\t\t\t\"subfields\":\n\t\t\t\t[\n");
+ for (s = n->u.datafield.subfields; s; s = s->next)
+ {
+ size_t using_code_len = get_subfield_len(mt, s->code_data,
+ identifier_length);
+ wrbuf_puts(w, sep);
+ sep = ",\n";
+ wrbuf_puts(w, "\t\t\t\t\t{\n\t\t\t\t\t\t\"");
+ wrbuf_iconv_json_write(w, mt->iconv_cd,
+ s->code_data, using_code_len);
+ wrbuf_puts(w, "\":\"");
+ wrbuf_iconv_json_puts(w, mt->iconv_cd,
+ s->code_data + using_code_len);
+ wrbuf_puts(w, "\"\n\t\t\t\t\t}");
+ }
+ wrbuf_puts(w, "\n\t\t\t\t]");
+ if (n->u.datafield.indicator[0])
+ {
+ int i;
+ for (i = 0; n->u.datafield.indicator[i]; i++)
+ {
+ wrbuf_printf(w, ",\n\t\t\t\t\"ind%d\":\"%c\"", i + 1,
+ n->u.datafield.indicator[i]);
+ }
+ }
+ wrbuf_puts(w, "\n\t\t\t}\n");
+ wrbuf_puts(w, "\n\t\t}");
+ break;
+ }
+ }
+ wrbuf_puts(w, "\n\t]\n");
+ wrbuf_puts(w, "}\n");
+ return 0;
+}
int yaz_marc_decode_wrbuf(yaz_marc_t mt, const char *buf, int bsize, WRBUF wr)
{
mode = YAZ_MARC_XCHANGE;
if (!strcmp(arg, "line"))
mode = YAZ_MARC_LINE;
+ if (!strcmp(arg, "json"))
+ mode = YAZ_MARC_JSON;
return mode;
}
projects / yaz-moved-to-github.git / blobdiff