/*
- * Copyright (c) 1995, Index Data.
+ * Copyright (c) 1995-2002, Index Data.
* See the file LICENSE for details.
* Sebastian Hammer, Adam Dickmeiss
*
- * $Log: d1_grs.c,v $
- * Revision 1.10 1997-09-17 12:10:36 adam
- * YAZ version 1.4.
- *
- * Revision 1.9 1997/05/14 06:54:03 adam
- * C++ support.
- *
- * Revision 1.8 1996/12/05 13:17:49 quinn
- * Fixed GRS-1 null-ref
- *
- * Revision 1.7 1996/10/11 11:57:23 quinn
- * Smallish
- *
- * Revision 1.6 1996/07/06 19:58:34 quinn
- * System headerfiles gathered in yconfig
- *
- * Revision 1.5 1996/06/03 09:46:42 quinn
- * Added OID data type.
- *
- * Revision 1.4 1996/05/01 12:45:30 quinn
- * Support use of local tag names in abs file.
- *
- * Revision 1.3 1995/11/13 09:27:35 quinn
- * Fiddling with the variant stuff.
- *
- * Revision 1.2 1995/11/01 13:54:46 quinn
- * Minor adjustments
- *
- * Revision 1.1 1995/11/01 11:56:07 quinn
- * Added Retrieval (data management) functions en masse.
- *
+ * $Id: d1_grs.c,v 1.25 2002-08-23 14:27:18 adam Exp $
*
*/
#include <assert.h>
#include <stdlib.h>
-#include <proto.h>
-#include <log.h>
-
-#include <data1.h>
+#include <yaz/proto.h>
+#include <yaz/log.h>
+#include <yaz/data1.h>
#define D1_VARIANTARRAY 20 /* fixed max length on sup'd variant-list. Lazy me */
static Z_ElementMetaData *get_ElementMetaData(ODR o)
{
- Z_ElementMetaData *r = odr_malloc(o, sizeof(*r));
+ Z_ElementMetaData *r = (Z_ElementMetaData *)odr_malloc(o, sizeof(*r));
r->seriesOrder = 0;
r->usageRight = 0;
*/
static Z_Variant *make_variant(data1_node *n, int num, ODR o)
{
- Z_Variant *v = odr_malloc(o, sizeof(*v));
+ Z_Variant *v = (Z_Variant *)odr_malloc(o, sizeof(*v));
data1_node *p;
v->globalVariantSetId = 0;
v->num_triples = num;
- v->triples = odr_malloc(o, sizeof(Z_Triple*) * num);
+ v->triples = (Z_Triple **)odr_malloc(o, sizeof(Z_Triple*) * num);
/*
* cycle back up through the tree of variants
Z_Triple *t;
assert(p->which == DATA1N_variant);
- t = v->triples[num] = odr_malloc(o, sizeof(*t));
+ t = v->triples[num] = (Z_Triple *)odr_malloc(o, sizeof(*t));
t->variantSetId = 0;
- t->zclass = odr_malloc(o, sizeof(int));
+ t->zclass = (int *)odr_malloc(o, sizeof(int));
*t->zclass = p->u.variant.type->zclass->zclass;
- t->type = odr_malloc(o, sizeof(int));
+ t->type = (int *)odr_malloc(o, sizeof(int));
*t->type = p->u.variant.type->type;
switch (p->u.variant.type->datatype)
{
case DATA1K_string:
t->which = Z_Triple_internationalString;
- t->value.internationalString = odr_malloc(o,
- strlen(p->u.variant.value)+1);
- strcpy(t->value.internationalString, p->u.variant.value);
+ t->value.internationalString =
+ odr_strdup(o, p->u.variant.value);
break;
default:
- logf(LOG_WARN, "Unable to handle value for variant %s",
- p->u.variant.type->name);
+ yaz_log(LOG_WARN, "Unable to handle value for variant %s",
+ p->u.variant.type->name);
return 0;
}
}
if (c->which == DATA1N_data && level)
{
if (!m->supportedVariants)
- m->supportedVariants = odr_malloc(o, sizeof(Z_Variant*) *
+ m->supportedVariants = (Z_Variant **)odr_malloc(o, sizeof(Z_Variant*) *
D1_VARIANTARRAY);
else if (m->num_supportedVariants >= D1_VARIANTARRAY)
{
- logf(LOG_WARN, "Too many variants (D1_VARIANTARRAY==%d)",
- D1_VARIANTARRAY);
+ yaz_log(LOG_WARN, "Too many variants (D1_VARIANTARRAY==%d)",
+ D1_VARIANTARRAY);
return -1;
}
return 0;
}
+/*
+ * Locate some data under this node. This routine should handle variants
+ * prettily.
+ */
+static char *get_data(data1_node *n, int *len)
+{
+ char *r;
+ data1_node *np = 0;
+
+ 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)
+ np = n->child;
+ n = n->next;
+ if (!n)
+ {
+ n = np;
+ np = 0;
+ }
+ }
+ r = "";
+ *len = strlen(r);
+ return r;
+}
+
static Z_ElementData *nodetoelementdata(data1_handle dh, data1_node *n,
int select, int leaf,
ODR o, int *len)
{
- Z_ElementData *res = odr_malloc(o, sizeof(*res));
+ Z_ElementData *res = (Z_ElementData *)odr_malloc(o, sizeof(*res));
if (!n)
{
res->which = Z_ElementData_elementNotThere;
- res->u.elementNotThere = ODR_NULLVAL;
+ res->u.elementNotThere = odr_nullval();
}
- else if (n->which == DATA1N_data && (leaf || n->parent->num_children == 1))
+ else if (n->which == DATA1N_data && leaf)
{
- char str[512];
- int toget;
- data1_node *p;
+ char str[64], *cp;
+ int toget = n->u.data.len;
- for (p = n->parent; p && p->which != DATA1N_tag; p = p->parent)
- ;
+ cp = get_data (n, &toget);
switch (n->u.data.what)
{
- case DATA1I_num:
- res->which = Z_ElementData_numeric;
- res->u.numeric = odr_malloc(o, sizeof(int));
- *res->u.numeric = atoi(n->u.data.data);
- *len += 4;
- break;
- case DATA1I_text:
- toget = n->u.data.len;
- if (p->u.tag.get_bytes > 0 && p->u.tag.get_bytes < toget)
- toget = p->u.tag.get_bytes;
- res->which = Z_ElementData_string;
- res->u.string = odr_malloc(o, toget+1);
- memcpy(res->u.string, n->u.data.data, toget);
- res->u.string[toget] = '\0';
- *len += toget;
- break;
- case DATA1I_oid:
- res->which = Z_ElementData_oid;
- strncpy(str, n->u.data.data, n->u.data.len);
- str[n->u.data.len] = '\0';
- res->u.oid = odr_getoidbystr(o, str);
- *len += n->u.data.len;
- break;
- default:
- logf(LOG_WARN, "Can't handle datatype.");
- return 0;
+ case DATA1I_num:
+ res->which = Z_ElementData_numeric;
+ res->u.numeric = (int *)odr_malloc(o, sizeof(int));
+ *res->u.numeric = atoi_n (cp, toget);
+ *len += 4;
+ break;
+ case DATA1I_text:
+ res->which = Z_ElementData_string;
+ res->u.string = (char *)odr_malloc(o, toget+1);
+ if (toget)
+ memcpy(res->u.string, cp, toget);
+ res->u.string[toget] = '\0';
+ *len += toget;
+ break;
+ case DATA1I_oid:
+ res->which = Z_ElementData_oid;
+ if (toget > 63)
+ toget = 63;
+ memcpy (str, cp, toget);
+ str[toget] = '\0';
+ res->u.oid = odr_getoidbystr(o, str);
+ *len += oid_oidlen(res->u.oid) * sizeof(int);
+ break;
+ default:
+ yaz_log(LOG_WARN, "Can't handle datatype.");
+ return 0;
}
}
else
return res;
}
+static int is_empty_data (data1_node *n)
+{
+ if (n && n->which == DATA1N_data && n->u.data.what == DATA1I_text)
+ {
+ int i = n->u.data.len;
+
+ while (i > 0 && n->u.data.data[i-1] == '\n')
+ i--;
+ if (i == 0)
+ return 1;
+ }
+ return 0;
+}
+
+
static Z_TaggedElement *nodetotaggedelement(data1_handle dh, data1_node *n,
int select, ODR o,
int *len)
{
- Z_TaggedElement *res = odr_malloc(o, sizeof(*res));
+ Z_TaggedElement *res = (Z_TaggedElement *)odr_malloc(o, sizeof(*res));
data1_tag *tag = 0;
data1_node *data;
- int leaf;
+ int leaf = 0;
if (n->which == DATA1N_tag)
{
if (n->u.tag.element)
tag = n->u.tag.element->tag;
data = n->child;
- leaf = 0;
+
+ /* skip empty data children */
+ while (is_empty_data(data))
+ data = data->next;
+ if (!data)
+ data = n->child;
+ else
+ { /* got one. see if this is the only non-empty one */
+ data1_node *sub = data->next;
+ while (sub && is_empty_data(sub))
+ sub = sub->next;
+ if (!sub)
+ leaf = 1; /* all empty. 'data' is the only child */
+ }
}
/*
* If we're a data element at this point, we need to insert a
*/
else if (n->which == DATA1N_data || n->which == DATA1N_variant)
{
- if (!(tag = data1_gettagbyname (dh, n->root->u.root.absyn->tagset,
+ if (n->root->u.root.absyn &&
+ !(tag = data1_gettagbyname (dh, n->root->u.root.absyn->tagset,
"wellKnown")))
{
- logf(LOG_WARN, "Unable to locate tag for 'wellKnown'");
+ yaz_log(LOG_WARN, "Unable to locate tag for 'wellKnown'");
return 0;
}
data = n;
leaf = 1;
+ if (is_empty_data(data))
+ return 0;
}
else
{
- logf(LOG_WARN, "Bad data.");
+ yaz_log(LOG_WARN, "Bad data.");
return 0;
}
- res->tagType = odr_malloc(o, sizeof(int));
+ res->tagType = (int *)odr_malloc(o, sizeof(int));
*res->tagType = (tag && tag->tagset) ? tag->tagset->type : 3;
- res->tagValue = odr_malloc(o, sizeof(Z_StringOrNumeric));
+ res->tagValue = (Z_StringOrNumeric *)odr_malloc(o, sizeof(Z_StringOrNumeric));
if (tag && tag->which == DATA1T_numeric)
{
res->tagValue->which = Z_StringOrNumeric_numeric;
- res->tagValue->u.numeric = odr_malloc(o, sizeof(int));
+ res->tagValue->u.numeric = (int *)odr_malloc(o, sizeof(int));
*res->tagValue->u.numeric = tag->value.numeric;
}
else
{
char *tagstr;
- if (tag) /* well-known tag */
- tagstr = tag->value.string;
- else /* tag local to this file */
- tagstr = n->u.tag.tag;
-
+ if (n->which == DATA1N_tag)
+ tagstr = n->u.tag.tag; /* tag at node */
+ else if (tag)
+ tagstr = tag->value.string; /* no take from well-known */
+ else
+ return 0;
res->tagValue->which = Z_StringOrNumeric_string;
- res->tagValue->u.string = odr_malloc(o, strlen(tagstr)+1);
- strcpy(res->tagValue->u.string, tagstr);
+ res->tagValue->u.string = odr_strdup(o, tagstr);
}
res->tagOccurrence = 0;
res->appliedVariant = 0;
res->metaData = 0;
if (n->which == DATA1N_variant || (data && data->which ==
- DATA1N_variant && data->parent->num_children == 1))
+ DATA1N_variant && data->next == NULL))
{
int nvars = 0;
}
if (n->which == DATA1N_tag && n->u.tag.no_data_requested)
{
- res->content = odr_malloc(o, sizeof(*res->content));
+ res->content = (Z_ElementData *)odr_malloc(o, sizeof(*res->content));
res->content->which = Z_ElementData_noDataRequested;
- res->content->u.noDataRequested = ODR_NULLVAL;
+ res->content->u.noDataRequested = odr_nullval();
}
else if (!(res->content = nodetoelementdata (dh, data, select, leaf,
o, len)))
Z_GenericRecord *data1_nodetogr(data1_handle dh, data1_node *n,
int select, ODR o, int *len)
{
- Z_GenericRecord *res = odr_malloc(o, sizeof(*res));
+ Z_GenericRecord *res = (Z_GenericRecord *)odr_malloc(o, sizeof(*res));
data1_node *c;
+ int num_children = 0;
+
+ if (n->which == DATA1N_root)
+ n = data1_get_root_tag (dh, n);
+
+ for (c = n->child; c; c = c->next)
+ num_children++;
- res->elements = odr_malloc(o, sizeof(Z_TaggedElement *) * n->num_children);
+ res->elements = (Z_TaggedElement **)
+ odr_malloc(o, sizeof(Z_TaggedElement *) * num_children);
res->num_elements = 0;
for (c = n->child; c; c = c->next)
{
if (c->which == DATA1N_tag && select && !c->u.tag.node_selected)
continue;
- if (!(res->elements[res->num_elements++] =
- nodetotaggedelement (dh, c, select, o, len)))
- return 0;
+ if ((res->elements[res->num_elements] =
+ nodetotaggedelement (dh, c, select, o, len)))
+ res->num_elements++;
}
return res;
}