+++ /dev/null
-/*
- * Copyright (c) 1995-2003, Index Data
- * See the file LICENSE for details.
- *
- * $Id: marcdisp.c,v 1.30 2003-07-14 12:59:23 adam Exp $
- */
-
-#if HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-#include <yaz/marcdisp.h>
-#include <yaz/wrbuf.h>
-#include <yaz/yaz-util.h>
-
-struct yaz_marc_t_ {
- WRBUF m_wr;
- int xml;
- int debug;
-};
-
-yaz_marc_t yaz_marc_create(void)
-{
- yaz_marc_t mt = (yaz_marc_t) xmalloc(sizeof(*mt));
- mt->xml = YAZ_MARC_LINE;
- mt->debug = 0;
- mt->m_wr = wrbuf_alloc();
- return mt;
-}
-
-void yaz_marc_destroy(yaz_marc_t mt)
-{
- if (!mt)
- return ;
- wrbuf_free (mt->m_wr, 1);
- xfree (mt);
-}
-
-static void marc_cdata (yaz_marc_t mt, const char *buf, size_t len, WRBUF wr)
-{
- size_t i;
- for (i = 0; i<len; i++)
- {
- if (mt->xml)
- {
- switch (buf[i]) {
- case '<':
- wrbuf_puts(wr, "<");
- break;
- case '>':
- wrbuf_puts(wr, ">");
- break;
- case '&':
- wrbuf_puts(wr, "&");
- break;
- case '"':
- wrbuf_puts(wr, """);
- break;
- case '\'':
- wrbuf_puts(wr, "'");
- break;
- default:
- wrbuf_putc(wr, buf[i]);
- }
- }
- else
- wrbuf_putc(wr, buf[i]);
- }
-}
-
-#if 0
-static void marc_cdata (yaz_marc_t mt, const char *buf, size_t len)
-{
- if (!mt->cd)
- marc_cdata2 (mt, buf, len);
- else
- {
- char outbuf[12];
- size_t inbytesleft = len;
- const char *inp = buf;
-
- while (inbytesleft)
- {
- size_t outbytesleft = sizeof(outbuf);
- char *outp = outbuf;
- size_t r = yaz_iconv (mt->cd, (char**) &inp, &inbytesleft,
- &outp, &outbytesleft);
- if (r == (size_t) (-1))
- {
- int e = yaz_iconv_error(mt->cd);
- if (e != YAZ_ICONV_E2BIG)
- break;
- }
- marc_cdata2 (mt, outbuf, outp - outbuf);
- }
- }
-}
-#endif
-
-int yaz_marc_decode_wrbuf (yaz_marc_t mt, const char *buf, int bsize, WRBUF wr)
-{
- int entry_p;
- int record_length;
- int indicator_length;
- int identifier_length;
- int base_address;
- int length_data_entry;
- int length_starting;
- int length_implementation;
-
- wrbuf_rewind(wr);
-
- record_length = atoi_n (buf, 5);
- if (record_length < 25)
- {
- if (mt->debug)
- {
- char str[40];
-
- sprintf (str, "Record length %d - aborting\n", record_length);
- wrbuf_puts (wr, str);
- }
- return -1;
- }
- /* 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 (mt->xml)
- {
- char str[80];
- int i;
- switch(mt->xml)
- {
- case YAZ_MARC_SIMPLEXML:
- wrbuf_puts (wr, "<iso2709\n");
- sprintf (str, " RecordStatus=\"%c\"\n", buf[5]);
- wrbuf_puts (wr, str);
- sprintf (str, " TypeOfRecord=\"%c\"\n", buf[6]);
- wrbuf_puts (wr, str);
- for (i = 1; i<=19; i++)
- {
- sprintf (str, " ImplDefined%d=\"%c\"\n", i, buf[6+i]);
- wrbuf_puts (wr, str);
- }
- wrbuf_puts (wr, ">\n");
- break;
- case YAZ_MARC_OAIMARC:
- wrbuf_puts(
- wr,
- "<oai_marc xmlns=\"http://www.openarchives.org/OIA/oai_marc\""
- "\n"
- " xmlns:xsi=\"http://www.w3.org/2000/10/XMLSchema-instance\""
- "\n"
- " xsi:schemaLocation=\"http://www.openarchives.org/OAI/oai_marc.xsd\""
- "\n"
- );
-
- sprintf (str, " status=\"%c\" type=\"%c\" catForm=\"%c\">\n",
- buf[5], buf[6], buf[7]);
- wrbuf_puts (wr, str);
- break;
- case YAZ_MARC_MARCXML:
- wrbuf_printf(
- wr,
- "<record xmlns=\"http://www.loc.gov/MARC21/slim\">\n"
- " <leader>%.24s</leader>\n", buf);
- break;
- }
- }
- if (mt->debug)
- {
- char str[40];
-
- if (mt->xml)
- wrbuf_puts (wr, "<!--\n");
- 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);
- if (mt->xml)
- wrbuf_puts (wr, "-->\n");
- }
-
- 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 data_length;
- int data_offset;
- 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';
- 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 (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;
-
- switch(mt->xml)
- {
- case YAZ_MARC_LINE:
- if (mt->debug)
- wrbuf_puts (wr, "Tag: ");
- wrbuf_puts (wr, tag);
- wrbuf_puts (wr, " ");
- break;
- case YAZ_MARC_SIMPLEXML:
- wrbuf_printf (wr, "<field tag=\"%s\"", tag);
- break;
- case YAZ_MARC_OAIMARC:
- if (identifier_flag)
- wrbuf_printf (wr, " <varfield id=\"%s\"", tag);
- else
- wrbuf_printf (wr, " <fixfield id=\"%s\"", tag);
- break;
- case YAZ_MARC_MARCXML:
- if (identifier_flag)
- wrbuf_printf (wr, " <datafield tag=\"%s\"", tag);
- else
- wrbuf_printf (wr, " <controlfield tag=\"%s\"", tag);
- }
-
- if (identifier_flag)
- {
- for (j = 0; j<indicator_length; j++, i++)
- {
- switch(mt->xml)
- {
- case YAZ_MARC_LINE:
- if (mt->debug)
- wrbuf_puts (wr, " Ind: ");
- wrbuf_putc (wr, buf[i]);
- break;
- case YAZ_MARC_SIMPLEXML:
- wrbuf_printf (wr, " Indicator%d=\"%c\"", j+1, buf[i]);
- break;
- case YAZ_MARC_OAIMARC:
- wrbuf_printf (wr, " i%d=\"%c\"", j+1, buf[i]);
- break;
- case YAZ_MARC_MARCXML:
- wrbuf_printf (wr, " ind%d=\"%c\"", j+1, buf[i]);
- }
- }
- }
- if (mt->xml)
- {
- wrbuf_puts (wr, ">");
- if (identifier_flag)
- wrbuf_puts (wr, "\n");
- }
- else
- {
- if (mt->debug && !mt->xml)
- wrbuf_puts (wr, " Fields: ");
- }
- if (identifier_flag)
- {
- while (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS && i < end_offset)
- {
- int i0;
- i++;
- switch(mt->xml)
- {
- case YAZ_MARC_LINE:
- wrbuf_puts (wr, " $");
- for (j = 1; j<identifier_length; j++, i++)
- wrbuf_putc (wr, buf[i]);
- wrbuf_putc (wr, ' ');
- break;
- case YAZ_MARC_SIMPLEXML:
- wrbuf_puts (wr, " <subfield code=\"");
- for (j = 1; j<identifier_length; j++, i++)
- wrbuf_putc (wr, buf[i]);
- wrbuf_puts (wr, "\">");
- break;
- case YAZ_MARC_OAIMARC:
- wrbuf_puts (wr, " <subfield label=\"");
- for (j = 1; j<identifier_length; j++, i++)
- wrbuf_putc (wr, buf[i]);
- wrbuf_puts (wr, "\">");
- break;
- case YAZ_MARC_MARCXML:
- wrbuf_puts (wr, " <subfield code=\"");
- for (j = 1; j<identifier_length; j++, i++)
- wrbuf_putc (wr, buf[i]);
- wrbuf_puts (wr, "\">");
- break;
- }
- i0 = i;
- while (buf[i] != ISO2709_RS && buf[i] != ISO2709_IDFS &&
- buf[i] != ISO2709_FS && i < end_offset)
- i++;
- marc_cdata(mt, buf + i0, i - i0, wr);
-
- if (mt->xml)
- wrbuf_puts (wr, "</subfield>\n");
- }
- }
- else
- {
- int i0 = i;
- while (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS && i < end_offset)
- i++;
- marc_cdata(mt, buf + i0, i - i0, wr);
- }
- if (!mt->xml)
- wrbuf_putc (wr, '\n');
- if (i < end_offset)
- wrbuf_puts (wr, " <!-- separator but not at end of field -->\n");
- if (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS)
- wrbuf_puts (wr, " <!-- no separator at end of field -->\n");
- switch(mt->xml)
- {
- case YAZ_MARC_SIMPLEXML:
- wrbuf_puts (wr, "</field>\n");
- break;
- case YAZ_MARC_OAIMARC:
- if (identifier_flag)
- wrbuf_puts (wr, " </varfield>\n");
- else
- wrbuf_puts (wr, " </fixfield>\n");
- break;
- case YAZ_MARC_MARCXML:
- if (identifier_flag)
- wrbuf_puts (wr, " </datafield>\n");
- else
- wrbuf_puts (wr, " </controlfield>\n");
- break;
- }
- }
- switch (mt->xml)
- {
- case YAZ_MARC_LINE:
- wrbuf_puts (wr, "");
- break;
- case YAZ_MARC_SIMPLEXML:
- wrbuf_puts (wr, "</iso2709>\n");
- break;
- case YAZ_MARC_OAIMARC:
- wrbuf_puts (wr, "</oai_marc>\n");
- break;
- case YAZ_MARC_MARCXML:
- wrbuf_puts (wr, "</record>\n");
- break;
- }
- return record_length;
-}
-
-int yaz_marc_decode_buf (yaz_marc_t mt, const char *buf, int bsize,
- char **result, int *rsize)
-{
- int r = yaz_marc_decode_wrbuf(mt, buf, bsize, mt->m_wr);
- if (r > 0)
- {
- if (result)
- *result = wrbuf_buf(mt->m_wr);
- if (rsize)
- *rsize = wrbuf_len(mt->m_wr);
- }
- return r;
-}
-
-void yaz_marc_xml(yaz_marc_t mt, int xmlmode)
-{
- if (mt)
- mt->xml = xmlmode;
-}
-
-void yaz_marc_debug(yaz_marc_t mt, int level)
-{
- if (mt)
- mt->debug = level;
-}
-
-/* depricated */
-int yaz_marc_decode(const char *buf, WRBUF wr, int debug, int bsize, int xml)
-{
- yaz_marc_t mt = yaz_marc_create();
- int r;
-
- mt->debug = debug;
- mt->xml = xml;
- r = yaz_marc_decode_wrbuf(mt, buf, bsize, wr);
- yaz_marc_destroy(mt);
- return r;
-}
-
-/* depricated */
-int marc_display_wrbuf (const char *buf, WRBUF wr, int debug, int bsize)
-{
- return yaz_marc_decode(buf, wr, debug, bsize, 0);
-}
-
-/* depricated */
-int marc_display_exl (const char *buf, FILE *outf, int debug, int bsize)
-{
- yaz_marc_t mt = yaz_marc_create();
- int r;
-
- mt->debug = debug;
- r = yaz_marc_decode_wrbuf (mt, buf, bsize, mt->m_wr);
- if (!outf)
- outf = stdout;
- if (r > 0)
- fwrite (wrbuf_buf(mt->m_wr), 1, wrbuf_len(mt->m_wr), outf);
- yaz_marc_destroy(mt);
- return r;
-}
-
-/* depricated */
-int marc_display_ex (const char *buf, FILE *outf, int debug)
-{
- return marc_display_exl (buf, outf, debug, -1);
-}
-
-/* depricated */
-int marc_display (const char *buf, FILE *outf)
-{
- return marc_display_ex (buf, outf, 0);
-}
-
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