-/* $Id: zrpn.c,v 1.227 2006-08-31 08:35:48 adam Exp $
+/* $Id: zrpn.c,v 1.228 2006-09-08 14:40:53 adam Exp $
Copyright (C) 1995-2006
Index Data ApS
return ZEBRA_OK;
}
+static ZEBRA_RES rpn_search_APT_position(ZebraHandle zh,
+ Z_AttributesPlusTerm *zapt,
+ oid_value attributeSet,
+ int reg_type,
+ int num_bases, char **basenames,
+ NMEM rset_nmem,
+ RSET *rset,
+ struct rset_key_control *kc)
+{
+ RSET *f_set;
+ int base_no;
+ int position_value;
+ int num_sets = 0;
+ AttrType position;
+
+ attr_init_APT(&position, zapt, 3);
+ position_value = attr_find(&position, NULL);
+ switch(position_value)
+ {
+ case 3:
+ case -1:
+ return ZEBRA_OK;
+ case 1:
+ case 2:
+ break;
+ default:
+ zebra_setError_zint(zh, YAZ_BIB1_UNSUPP_POSITION_ATTRIBUTE,
+ position_value);
+ return ZEBRA_FAIL;
+ }
+
+ if (!zebra_maps_is_first_in_field(zh->reg->zebra_maps, reg_type))
+ {
+ zebra_setError_zint(zh, YAZ_BIB1_UNSUPP_POSITION_ATTRIBUTE,
+ position_value);
+ return ZEBRA_FAIL;
+ }
+
+ if (!zh->reg->isamb)
+ {
+ zebra_setError_zint(zh, YAZ_BIB1_UNSUPP_POSITION_ATTRIBUTE,
+ position_value);
+ return ZEBRA_FAIL;
+ }
+ f_set = xmalloc(sizeof(RSET) * num_bases);
+ for (base_no = 0; base_no < num_bases; base_no++)
+ {
+ int ord = -1;
+ char ord_buf[32];
+ char term_dict[100];
+ int ord_len;
+ char *val;
+ ISAM_P isam_p;
+
+ if (zebraExplain_curDatabase (zh->reg->zei, basenames[base_no]))
+ {
+ zebra_setError(zh, YAZ_BIB1_DATABASE_UNAVAILABLE,
+ basenames[base_no]);
+ return ZEBRA_FAIL;
+ }
+
+ if (zebra_apt_get_ord(zh, zapt, reg_type, 0,
+ attributeSet, &ord) != ZEBRA_OK)
+ continue;
+
+ ord_len = key_SU_encode (ord, ord_buf);
+ memcpy(term_dict, ord_buf, ord_len);
+ strcpy(term_dict+ord_len, FIRST_IN_FIELD_STR);
+ val = dict_lookup(zh->reg->dict, term_dict);
+ if (!val)
+ continue;
+ assert(*val == sizeof(ISAM_P));
+ memcpy(&isam_p, val+1, sizeof(isam_p));
+
+ f_set[num_sets++] = rsisamb_create(rset_nmem, kc, kc->scope,
+ zh->reg->isamb, isam_p, 0);
+
+ }
+ if (num_sets)
+ {
+ *rset = rset_create_or(rset_nmem, kc, kc->scope,
+ 0 /* termid */, num_sets, f_set);
+ }
+ xfree(f_set);
+ return ZEBRA_OK;
+}
+
static ZEBRA_RES rpn_search_APT_phrase(ZebraHandle zh,
Z_AttributesPlusTerm *zapt,
const char *termz_org,
num_bases, basenames,
rset_nmem,
&result_sets, &num_result_sets, kc);
+
if (res != ZEBRA_OK)
return res;
+
+ if (num_result_sets > 0)
+ {
+ RSET first_set = 0;
+ res = rpn_search_APT_position(zh, zapt, attributeSet,
+ reg_type,
+ num_bases, basenames,
+ rset_nmem, &first_set,
+ kc);
+ if (res != ZEBRA_OK)
+ return res;
+ if (first_set)
+ {
+ RSET *nsets = nmem_malloc(stream,
+ sizeof(RSET) * (num_result_sets+1));
+ nsets[0] = first_set;
+ memcpy(nsets+1, result_sets, sizeof(RSET) * num_result_sets);
+ result_sets = nsets;
+ num_result_sets++;
+ }
+ }
if (num_result_sets == 0)
*rset = rset_create_null(rset_nmem, kc, 0);
else if (num_result_sets == 1)
else
idx = - pos - 1;
+ /* skip special terms.. of no interest */
+ if (name[len_prefix] < 4)
+ return 1;
+
if (idx < 0)
return 0;
scan_info->list[idx].term = (char *)