/*
- * Copyright (C) 1997, Index Data I/S
+ * Copyright (C) 1997-2002, Index Data
* All rights reserved.
* Sebastian Hammer, Adam Dickmeiss
*
- * $Log: marcread.c,v $
- * Revision 1.5 1997-11-18 10:03:24 adam
- * Member num_children removed from data1_node.
- *
- * Revision 1.4 1997/10/27 14:34:26 adam
- * Fixed bug - data1 root node wasn't tagged at all!
- *
- * Revision 1.3 1997/09/24 13:36:51 adam
- * *** empty log message ***
- *
- * Revision 1.2 1997/09/17 12:19:21 adam
- * Zebra version corresponds to YAZ version 1.4.
- * Changed Zebra server so that it doesn't depend on global common_resource.
- *
- * Revision 1.1 1997/09/04 13:54:40 adam
- * Added MARC filter - type grs.marc.<syntax> where syntax refers
- * to abstract syntax. New method tellf in retrieve/extract method.
- *
+ * $Id: marcread.c,v 1.14 2002-05-13 14:13:43 adam Exp $
*/
#include <stdio.h>
#include <ctype.h>
#include <assert.h>
-#include <log.h>
-#include <yaz-util.h>
-#include <marcdisp.h>
+#include <yaz/log.h>
+#include <yaz/yaz-util.h>
+#include <yaz/marcdisp.h>
#include "grsread.h"
-data1_node *data1_mk_node_wp (data1_handle dh, NMEM mem, data1_node *parent)
-{
- data1_node *res = data1_mk_node (dh, mem);
-
- if (!parent)
- res->root = res;
- else
- {
- res->root = parent->root;
- res->parent = parent;
- if (!parent->child)
- parent->child = parent->last_child = res;
- else
- parent->last_child->next = res;
- parent->last_child = res;
- }
- return res;
-}
-
-static void destroy_data (struct data1_node *n)
-{
- assert (n->which == DATA1N_data);
- xfree (n->u.data.data);
-}
-
-data1_node *data1_mk_node_text (data1_handle dh, NMEM mem, data1_node *parent,
- const char *buf, size_t len)
-{
- data1_node *res = data1_mk_node_wp (dh, mem, parent);
- res->which = DATA1N_data;
- res->u.data.formatted_text = 0;
- res->u.data.what = DATA1I_text;
- res->u.data.len = len;
- if (res->u.data.len > DATA1_LOCALDATA) {
- res->u.data.data = xmalloc (res->u.data.len);
- res->destroy = destroy_data;
- }
- else
- res->u.data.data = res->lbuf;
- memcpy (res->u.data.data, buf, res->u.data.len);
- return res;
-}
-
-data1_node *data1_mk_node_tag (data1_handle dh, NMEM mem, data1_node *parent,
- const char *tag, size_t len)
-{
- data1_element *elem = NULL;
- data1_node *partag = get_parent_tag(dh, parent);
- data1_node *res;
- data1_element *e = NULL;
- int localtag = 0;
-
- res = data1_mk_node_wp (dh, mem, parent);
-
- res->which = DATA1N_tag;
- res->u.tag.tag = res->lbuf;
- res->u.tag.get_bytes = -1;
-
- if (len >= DATA1_LOCALDATA)
- len = DATA1_LOCALDATA-1;
-
- memcpy (res->u.tag.tag, tag, len);
- res->u.tag.tag[len] = '\0';
-
- if (parent->which == DATA1N_variant)
- return res;
- if (partag)
- if (!(e = partag->u.tag.element))
- localtag = 1;
-
- elem = data1_getelementbytagname (dh, res->root->u.root.absyn, e,
- res->u.tag.tag);
- res->u.tag.element = elem;
- res->u.tag.node_selected = 0;
- res->u.tag.make_variantlist = 0;
- res->u.tag.no_data_requested = 0;
- return res;
-}
-
#define MARC_DEBUG 0
data1_node *grs_read_marc (struct grs_read_info *p)
#endif
data1_node *res_root;
- data1_absyn *absyn;
char *absynName;
data1_marctab *marctab;
if (read_bytes == record_length - 4)
{
off_t cur_offset = (*p->tellf)(p->fh);
- assert (cur_offset > 26);
+ if (cur_offset <= 27)
+ return NULL;
if (p->endf)
(*p->endf)(p->fh, cur_offset - 1);
}
absynName = p->type;
- logf (LOG_DEBUG, "absynName = %s", absynName);
- if (!(absyn = data1_get_absyn (p->dh, absynName)))
+ res_root = data1_mk_root (p->dh, p->mem, absynName);
+ if (!res_root)
{
- logf (LOG_WARN, "Unknown abstract syntax: %s", absynName);
- return NULL;
+ yaz_log (LOG_WARN, "cannot read MARC without an abstract syntax");
+ return 0;
}
- res_root = data1_mk_node_wp (p->dh, p->mem, NULL);
- res_root->which = DATA1N_root;
- res_root->u.root.type = nmem_malloc (p->mem, strlen(absynName)+1);
- strcpy (res_root->u.root.type, absynName);
- res_root->u.root.absyn = absyn;
- marctab = absyn->marc;
+ marctab = res_root->u.root.absyn->marc;
if (marctab && marctab->force_indicator_length >= 0)
indicator_length = marctab->force_indicator_length;
identifier_length = atoi_n (buf+11, 1);
base_address = atoi_n (buf+12, 4);
-
length_data_entry = atoi_n (buf+20, 1);
length_starting = atoi_n (buf+21, 1);
length_implementation = atoi_n (buf+22, 1);
entry_p += 3;
tag[3] = '\0';
+
/* generate field node */
- res = data1_mk_node_tag (p->dh, p->mem, res_root, tag, 3);
+ res = data1_mk_tag_n (p->dh, p->mem, tag, 3, 0 /* attr */, res_root);
#if MARC_DEBUG
fprintf (outf, "%s ", tag);
#if MARC_DEBUG
int j;
#endif
- res = data1_mk_node_tag (p->dh, p->mem, res, buf+i,
- indicator_length);
+ res = data1_mk_tag_n (p->dh, p->mem,
+ buf+i, indicator_length, 0 /* attr */, res);
#if MARC_DEBUG
for (j = 0; j<indicator_length; j++)
fprintf (outf, "%c", buf[j+i]);
if (memcmp (tag, "00", 2) && identifier_length)
{
data1_node *res =
- data1_mk_node_tag (p->dh, p->mem, parent,
- buf+i+1, identifier_length-1);
+ data1_mk_tag_n (p->dh, p->mem,
+ buf+i+1, identifier_length-1,
+ 0 /* attr */, parent);
#if MARC_DEBUG
fprintf (outf, " $");
for (j = 1; j<identifier_length; j++)
#endif
i++;
}
- data1_mk_node_text (p->dh, p->mem, res, buf + i0, i - i0);
+ data1_mk_text_n (p->dh, p->mem, buf + i0, i - i0, res);
i0 = i;
}
else
}
if (i > i0)
{
- data1_node *res = data1_mk_node_tag (p->dh, p->mem,
- parent, "@", 1);
- data1_mk_node_text (p->dh, p->mem, res, buf + i0, i - i0);
+ data1_node *res = data1_mk_tag (p->dh, p->mem, "@", 0 /* attr */,
+ parent);
+ data1_mk_text_n (p->dh, p->mem, buf + i0, i - i0, res);
}
#if MARC_DEBUG
fprintf (outf, "\n");
}
return res_root;
}
+
+static void *grs_init_marc(void)
+{
+ return 0;
+}
+
+static void grs_destroy_marc(void *clientData)
+{
+}
+
+static struct recTypeGrs marc_type = {
+ "marc",
+ grs_init_marc,
+ grs_destroy_marc,
+ grs_read_marc
+};
+
+RecTypeGrs recTypeGrs_marc = &marc_type;
projects / idzebra-moved-to-github.git / blobdiff