+++ /dev/null
-/*
- * Copyright (c) 1995-2002, Index Data.
- * See the file LICENSE for details.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Id: d1_marc.c,v 1.27 2002-08-28 19:34:50 adam Exp $
- */
-
-
-#include <assert.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <yaz/oid.h>
-#include <yaz/log.h>
-#include <yaz/marcdisp.h>
-#include <yaz/readconf.h>
-#include <yaz/xmalloc.h>
-#include <yaz/data1.h>
-#include <yaz/tpath.h>
-
-data1_marctab *data1_read_marctab (data1_handle dh, const char *file)
-{
- FILE *f;
- NMEM mem = data1_nmem_get (dh);
- data1_marctab *res = (data1_marctab *)nmem_malloc(mem, sizeof(*res));
- char line[512], *argv[50];
- int lineno = 0;
- int argc;
-
- if (!(f = data1_path_fopen(dh, file, "r")))
- {
- yaz_log(LOG_WARN|LOG_ERRNO, "%s", file);
- return 0;
- }
-
- res->name = 0;
- res->reference = VAL_NONE;
- res->next = 0;
- res->length_data_entry = 4;
- res->length_starting = 5;
- res->length_implementation = 0;
- strcpy(res->future_use, "4");
-
- strcpy(res->record_status, "n");
- strcpy(res->implementation_codes, " ");
- res->indicator_length = 2;
- res->identifier_length = 2;
- res->force_indicator_length = -1;
- res->force_identifier_length = -1;
- strcpy(res->user_systems, "z ");
-
- while ((argc = readconf_line(f, &lineno, line, 512, argv, 50)))
- if (!strcmp(*argv, "name"))
- {
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d:Missing arg for %s", file, lineno,
- *argv);
- continue;
- }
- res->name = nmem_strdup(mem, argv[1]);
- }
- else if (!strcmp(*argv, "reference"))
- {
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
- *argv);
- continue;
- }
- if ((res->reference = oid_getvalbyname(argv[1])) == VAL_NONE)
- {
- yaz_log(LOG_WARN, "%s:%d: Unknown tagset reference '%s'",
- file, lineno, argv[1]);
- continue;
- }
- }
- else if (!strcmp(*argv, "length-data-entry"))
- {
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
- *argv);
- continue;
- }
- res->length_data_entry = atoi(argv[1]);
- }
- else if (!strcmp(*argv, "length-starting"))
- {
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
- *argv);
- continue;
- }
- res->length_starting = atoi(argv[1]);
- }
- else if (!strcmp(*argv, "length-implementation"))
- {
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
- *argv);
- continue;
- }
- res->length_implementation = atoi(argv[1]);
- }
- else if (!strcmp(*argv, "future-use"))
- {
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
- *argv);
- continue;
- }
- strncpy(res->future_use, argv[1], 2);
- }
- else if (!strcmp(*argv, "force-indicator-length"))
- {
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
- *argv);
- continue;
- }
- res->force_indicator_length = atoi(argv[1]);
- }
- else if (!strcmp(*argv, "force-identifier-length"))
- {
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
- *argv);
- continue;
- }
- res->force_identifier_length = atoi(argv[1]);
- }
- else
- yaz_log(LOG_WARN, "%s:%d: Unknown directive '%s'", file, lineno,
- *argv);
-
- fclose(f);
- return res;
-}
-
-
-/*
- * Locate some data under this node. This routine should handle variants
- * prettily.
- */
-static char *get_data(data1_node *n, int *len)
-{
- char *r;
-
- while (n)
- {
- if (n->which == DATA1N_data)
- {
- int i;
- *len = n->u.data.len;
-
- for (i = 0; i<*len; i++)
- if (!d1_isspace(n->u.data.data[i]))
- break;
- while (*len && d1_isspace(n->u.data.data[*len - 1]))
- (*len)--;
- *len = *len - i;
- if (*len > 0)
- return n->u.data.data + i;
- }
- if (n->which == DATA1N_tag)
- n = n->child;
- else if (n->which == DATA1N_data)
- n = n->next;
- else
- break;
- }
- r = "";
- *len = strlen(r);
- return r;
-}
-
-static void memint (char *p, int val, int len)
-{
- char buf[10];
-
- if (len == 1)
- *p = val + '0';
- else
- {
- sprintf (buf, "%08d", val);
- memcpy (p, buf+8-len, len);
- }
-}
-
-static int is_indicator (data1_marctab *p, data1_node *subf)
-{
-#if 1
- if (p->indicator_length != 2 ||
- (subf && subf->which == DATA1N_tag && strlen(subf->u.tag.tag) == 2))
- return 1;
-#else
- if (subf && subf->which == DATA1N_tag && subf->child->which == DATA1N_tag)
- return 1;
-#endif
- return 0;
-}
-
-static int nodetomarc(data1_handle dh,
- data1_marctab *p, data1_node *n, int selected,
- char **buf, int *size)
-{
- int len = 26;
- int dlen;
- int base_address = 25;
- int entry_p, data_p;
- char *op;
- data1_node *field, *subf;
-
- yaz_log (LOG_DEBUG, "nodetomarc");
-
- for (field = n->child; field; field = field->next)
- {
- int is00X = 0;
-
- if (field->which != DATA1N_tag)
- {
- yaz_log(LOG_WARN, "Malformed field composition for marc output.");
- return -1;
- }
- if (selected && !field->u.tag.node_selected)
- continue;
-
- subf = field->child;
- if (!subf)
- continue;
-
- len += 4 + p->length_data_entry + p->length_starting
- + p->length_implementation;
- base_address += 3 + p->length_data_entry + p->length_starting
- + p->length_implementation;
-
- if (subf->which == DATA1N_data)
- is00X = 1;
- if (!data1_is_xmlmode(dh))
- {
- if (subf->which == DATA1N_tag && !strcmp(subf->u.tag.tag, "@"))
- is00X = 1;
- }
-
-
- if (!is00X)
- len += p->indicator_length;
- /* we'll allow no indicator if length is not 2 */
- if (is_indicator (p, subf))
- subf = subf->child;
-
- for (; subf; subf = subf->next)
- {
- if (!is00X)
- len += p->identifier_length;
- get_data(subf, &dlen);
- len += dlen;
- }
- }
-
- if (!*buf)
- *buf = (char *)xmalloc(*size = len);
- else if (*size <= len)
- *buf = (char *)xrealloc(*buf, *size = len);
-
- op = *buf;
- memint (op, len, 5);
- memcpy (op+5, p->record_status, 1);
- memcpy (op+6, p->implementation_codes, 4);
- memint (op+10, p->indicator_length, 1);
- memint (op+11, p->identifier_length, 1);
- memint (op+12, base_address, 5);
- memcpy (op+17, p->user_systems, 3);
- memint (op+20, p->length_data_entry, 1);
- memint (op+21, p->length_starting, 1);
- memint (op+22, p->length_implementation, 1);
- memcpy (op+23, p->future_use, 1);
-
- entry_p = 24;
- data_p = base_address;
-
- for (field = n->child; field; field = field->next)
- {
- int is00X = 0;
-
- int data_0 = data_p;
- char *indicator_data = " ";
- if (selected && !field->u.tag.node_selected)
- continue;
-
- subf = field->child;
- if (!subf)
- continue;
-
- if (subf->which == DATA1N_data)
- is00X = 1;
- if (!data1_is_xmlmode(dh))
- {
- if (subf->which == DATA1N_tag && !strcmp(subf->u.tag.tag, "@"))
- is00X = 1;
- }
-
- if (is_indicator (p, subf))
- {
- indicator_data = subf->u.tag.tag;
- subf = subf->child;
- }
- if (!is00X)
- {
- memcpy (op + data_p, indicator_data, p->indicator_length);
- data_p += p->indicator_length;
- }
- for (; subf; subf = subf->next)
- {
- char *data;
-
- if (!is00X)
- {
- const char *identifier = "a";
- if (subf->which != DATA1N_tag)
- yaz_log(LOG_WARN, "Malformed fields for marc output.");
- else
- identifier = subf->u.tag.tag;
- op[data_p] = ISO2709_IDFS;
- memcpy (op + data_p+1, identifier, p->identifier_length-1);
- data_p += p->identifier_length;
- }
- data = get_data(subf, &dlen);
- memcpy (op + data_p, data, dlen);
- data_p += dlen;
- }
- op[data_p++] = ISO2709_FS;
-
- memcpy (op + entry_p, field->u.tag.tag, 3);
- entry_p += 3;
- memint (op + entry_p, data_p - data_0, p->length_data_entry);
- entry_p += p->length_data_entry;
- memint (op + entry_p, data_0 - base_address, p->length_starting);
- entry_p += p->length_starting;
- entry_p += p->length_implementation;
- }
- op[entry_p++] = ISO2709_FS;
- assert (entry_p == base_address);
- op[data_p++] = ISO2709_RS;
- assert (data_p == len);
- return len;
-}
-
-char *data1_nodetomarc(data1_handle dh, data1_marctab *p, data1_node *n,
- int selected, int *len)
-{
- int *size;
- char **buf = data1_get_map_buf (dh, &size);
-
- n = data1_get_root_tag (dh, n);
- if (!n)
- return 0;
- *len = nodetomarc(dh, p, n, selected, buf, size);
- return *buf;
-}
projects / yaz-moved-to-github.git / blobdiff