YAZ version 1.4.

[yaz-moved-to-github.git] / retrieval / d1_grs.c

diff --git a/retrieval/d1_grs.c b/retrieval/d1_grs.c
index 7c863b0..46b34ae 100644 (file)
--- a/retrieval/d1_grs.c
+++ b/retrieval/d1_grs.c
@@ -4,7 +4,28 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: d1_grs.c,v $
- * Revision 1.3  1995-11-13 09:27:35  quinn
+ * 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
@@ -26,8 +47,6 @@
 
 #define D1_VARIANTARRAY 20 /* fixed max length on sup'd variant-list. Lazy me */
 
-Z_GenericRecord *data1_nodetogr(data1_node *n, int select, ODR o);
-
 static Z_ElementMetaData *get_ElementMetaData(ODR o)
 {
     Z_ElementMetaData *r = odr_malloc(o, sizeof(*r));
@@ -74,8 +93,8 @@ static Z_Variant *make_variant(data1_node *n, int num, ODR o)
        assert(p->which == DATA1N_variant);
        t = v->triples[num] = odr_malloc(o, sizeof(*t));
        t->variantSetId = 0;
-       t->class = odr_malloc(o, sizeof(int));
-       *t->class = p->u.variant.type->class->class;
+       t->zclass = odr_malloc(o, sizeof(int));
+       *t->zclass = p->u.variant.type->zclass->zclass;
        t->type = odr_malloc(o, sizeof(int));
        *t->type = p->u.variant.type->type;
 
@@ -127,8 +146,9 @@ static int traverse_triples(data1_node *n, int level, Z_ElementMetaData *m,
     return 0;
 }
 
-static Z_ElementData *nodetoelementdata(data1_node *n, int select, int leaf,
-    ODR o)
+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));
 
@@ -139,18 +159,37 @@ static Z_ElementData *nodetoelementdata(data1_node *n, int select, int leaf,
     }
     else if (n->which == DATA1N_data && (leaf || n->parent->num_children == 1))
     {
+       char str[512];
+       int toget;
+       data1_node *p;
+
+       for (p = n->parent; p && p->which != DATA1N_tag; p = p->parent)
+           ;
+
        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, n->u.data.len+1);
-               memcpy(res->u.string, n->u.data.data, n->u.data.len);
-               res->u.string[n->u.data.len] = '\0';
+               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.");
@@ -160,13 +199,15 @@ static Z_ElementData *nodetoelementdata(data1_node *n, int select, int leaf,
     else
     {
        res->which = Z_ElementData_subtree;
-       if (!(res->u.subtree = data1_nodetogr(n->parent, select, o)))
+       if (!(res->u.subtree = data1_nodetogr (dh, n->parent, select, o, len)))
            return 0;
     }
     return res;
 }
 
-static Z_TaggedElement *nodetotaggedelement(data1_node *n, int select, ODR o)
+static Z_TaggedElement *nodetotaggedelement(data1_handle dh, data1_node *n,
+                                           int select, ODR o,
+                                           int *len)
 {
     Z_TaggedElement *res = odr_malloc(o, sizeof(*res));
     data1_tag *tag = 0;
@@ -186,8 +227,8 @@ static Z_TaggedElement *nodetotaggedelement(data1_node *n, int select, ODR o)
      */
     else if (n->which == DATA1N_data || n->which == DATA1N_variant)
     {
-       if (!(tag = data1_gettagbyname(n->root->u.root.absyn->tagset,
-           "wellKnown")))
+       if (!(tag = data1_gettagbyname (dh, n->root->u.root.absyn->tagset,
+                                       "wellKnown")))
        {
            logf(LOG_WARN, "Unable to locate tag for 'wellKnown'");
            return 0;
@@ -202,7 +243,7 @@ static Z_TaggedElement *nodetotaggedelement(data1_node *n, int select, ODR o)
     }
 
     res->tagType = odr_malloc(o, sizeof(int));
-    *res->tagType = tag ? tag->tagset->type : 3;
+    *res->tagType = (tag && tag->tagset) ? tag->tagset->type : 3;
     res->tagValue = odr_malloc(o, sizeof(Z_StringOrNumeric));
     if (tag && tag->which == DATA1T_numeric)
     {
@@ -249,12 +290,15 @@ static Z_TaggedElement *nodetotaggedelement(data1_node *n, int select, ODR o)
        res->content->which = Z_ElementData_noDataRequested;
        res->content->u.noDataRequested = ODR_NULLVAL;
     }
-    else if (!(res->content = nodetoelementdata(data, select, leaf, o)))
+    else if (!(res->content = nodetoelementdata (dh, data, select, leaf,
+                                                o, len)))
        return 0;
+    *len += 10;
     return res;
 }
 
-Z_GenericRecord *data1_nodetogr(data1_node *n, int select, ODR o)
+Z_GenericRecord *data1_nodetogr(data1_handle dh, data1_node *n,
+                               int select, ODR o, int *len)
 {
     Z_GenericRecord *res = odr_malloc(o, sizeof(*res));
     data1_node *c;
@@ -266,7 +310,7 @@ Z_GenericRecord *data1_nodetogr(data1_node *n, int select, ODR o)
        if (c->which == DATA1N_tag && select && !c->u.tag.node_selected)
            continue;
        if (!(res->elements[res->num_elements++] =
-           nodetotaggedelement(c, select, o)))
+             nodetotaggedelement (dh, c, select, o, len)))
            return 0;
     }
     return res;