1 /* This file is part of the YAZ toolkit.
2 * Copyright (C) 1995-2011 Index Data
3 * See the file LICENSE for details.
7 * \brief Implements SRW/SRU package encoding and decoding
16 #include <yaz/wrbuf.h>
18 #include <libxml/parser.h>
19 #include <libxml/tree.h>
24 static void add_XML_n(xmlNodePtr ptr, const char *elem, char *val, int len,
29 xmlDocPtr doc = xmlParseMemory(val,len);
32 xmlNodePtr c = xmlNewChild(ptr, ns_ptr, BAD_CAST elem, 0);
33 xmlNodePtr t = xmlDocGetRootElement(doc);
34 xmlAddChild(c, xmlCopyNode(t,1));
40 xmlNodePtr add_xsd_string_n(xmlNodePtr ptr, const char *elem, const char *val,
45 xmlNodePtr c = xmlNewChild(ptr, 0, BAD_CAST elem, 0);
46 xmlNodePtr t = xmlNewTextLen(BAD_CAST val, len);
53 xmlNodePtr add_xsd_string_ns(xmlNodePtr ptr, const char *elem, const char *val,
58 xmlNodePtr c = xmlNewChild(ptr, ns_ptr, BAD_CAST elem, 0);
59 xmlNodePtr t = xmlNewText(BAD_CAST val);
66 xmlNodePtr add_xsd_string(xmlNodePtr ptr, const char *elem, const char *val)
68 return add_xsd_string_ns(ptr, elem, val, 0);
71 static void add_xsd_integer(xmlNodePtr ptr, const char *elem,
77 sprintf(str, ODR_INT_PRINTF, *val);
78 xmlNewTextChild(ptr, 0, BAD_CAST elem, BAD_CAST str);
82 static int match_element(xmlNodePtr ptr, const char *elem)
84 if (ptr->type == XML_ELEMENT_NODE && !xmlStrcmp(ptr->name, BAD_CAST elem))
93 static int match_xsd_string_n(xmlNodePtr ptr, const char *elem, ODR o,
97 struct _xmlAttr *attr;
99 if (!match_element(ptr, elem))
102 for (attr = ptr->properties; attr; attr = attr->next)
103 if (!strcmp(attr->name, "type") &&
104 attr->children && attr->children->type == XML_TEXT_NODE)
106 const char *t = strchr(attr->children->content, ':');
110 t = attr->children->content;
111 if (!strcmp(t, "string"))
118 if (!ptr || ptr->type != XML_TEXT_NODE)
123 *val = odr_strdup(o, (const char *) ptr->content);
125 *len = xmlStrlen(ptr->content);
130 static int match_xsd_string(xmlNodePtr ptr, const char *elem, ODR o,
133 return match_xsd_string_n(ptr, elem, o, val, 0);
136 static int match_xsd_XML_n2(xmlNodePtr ptr, const char *elem, ODR o,
137 char **val, int *len, int fixup_root)
140 int no_root_nodes = 0;
142 if (!match_element(ptr, elem))
145 buf = xmlBufferCreate();
147 /* Copy each element nodes at top.
148 In most cases there is only one root node.. At least one server
149 http://www.theeuropeanlibrary.org/sru/sru.pl
150 has multiple root nodes in recordData.
152 for (ptr = ptr->children; ptr; ptr = ptr->next)
154 if (ptr->type == XML_ELEMENT_NODE)
156 /* copy node to get NS right (bug #740). */
157 xmlNode *tmp = xmlCopyNode(ptr, 1);
159 xmlNodeDump(buf, tmp->doc, tmp, 0, 0);
165 if (no_root_nodes != 1 && fixup_root)
167 /* does not appear to be an XML document. Make it so */
168 xmlBufferAddHead(buf, (const xmlChar *) "<yaz_record>", -1);
169 xmlBufferAdd(buf, (const xmlChar *) "</yaz_record>", -1);
171 *val = (char *) odr_malloc(o, buf->use + 1);
172 memcpy(*val, buf->content, buf->use);
173 (*val)[buf->use] = '\0';
183 static int match_xsd_XML_n(xmlNodePtr ptr, const char *elem, ODR o,
184 char **val, int *len)
186 return match_xsd_XML_n2(ptr, elem, o, val, len, 0);
189 static int match_xsd_integer(xmlNodePtr ptr, const char *elem, ODR o,
193 struct _xmlAttr *attr;
195 if (!match_element(ptr, elem))
198 for (attr = ptr->properties; attr; attr = attr->next)
199 if (!strcmp(attr->name, "type") &&
200 attr->children && attr->children->type == XML_TEXT_NODE)
202 const char *t = strchr(attr->children->content, ':');
206 t = attr->children->content;
207 if (!strcmp(t, "integer"))
214 if (!ptr || ptr->type != XML_TEXT_NODE)
216 *val = odr_intdup(o, odr_atoi((const char *) ptr->content));
220 char *yaz_negotiate_sru_version(char *input_ver)
225 if (!strcmp(input_ver, "1.1"))
227 return "1.2"; /* our latest supported version */
230 static int yaz_srw_record(ODR o, xmlNodePtr pptr, Z_SRW_record *rec,
231 Z_SRW_extra_record **extra,
232 void *client_data, const char *ns)
234 if (o->direction == ODR_DECODE)
236 Z_SRW_extra_record ex;
239 int pack = Z_SRW_recordPacking_string;
241 xmlNodePtr data_ptr = 0;
242 rec->recordSchema = 0;
243 rec->recordData_buf = 0;
244 rec->recordData_len = 0;
245 rec->recordPosition = 0;
248 ex.extraRecordData_buf = 0;
249 ex.extraRecordData_len = 0;
250 ex.recordIdentifier = 0;
252 for (ptr = pptr->children; ptr; ptr = ptr->next)
255 if (match_xsd_string(ptr, "recordSchema", o,
258 else if (match_xsd_string(ptr, "recordPacking", o, &spack))
261 pack = yaz_srw_str_to_pack(spack);
263 else if (match_xsd_integer(ptr, "recordPosition", o,
264 &rec->recordPosition))
266 else if (match_element(ptr, "recordData"))
268 /* save position of Data until after the loop
269 then we will know the packing (hopefully), and
270 unpacking is done once
274 else if (match_xsd_XML_n(ptr, "extraRecordData", o,
275 &ex.extraRecordData_buf,
276 &ex.extraRecordData_len) )
279 match_xsd_string(ptr, "recordIdentifier", o,
280 &ex.recordIdentifier);
286 case Z_SRW_recordPacking_XML:
287 match_xsd_XML_n2(data_ptr, "recordData", o,
288 &rec->recordData_buf, &rec->recordData_len, 1);
290 case Z_SRW_recordPacking_URL:
291 /* just store it as a string.
292 leave it to the backend to collect the document */
293 match_xsd_string_n(data_ptr, "recordData", o,
294 &rec->recordData_buf, &rec->recordData_len);
296 case Z_SRW_recordPacking_string:
297 match_xsd_string_n(data_ptr, "recordData", o,
298 &rec->recordData_buf, &rec->recordData_len);
302 rec->recordPacking = pack;
303 if (ex.extraRecordData_buf || ex.recordIdentifier)
305 *extra = (Z_SRW_extra_record *)
306 odr_malloc(o, sizeof(Z_SRW_extra_record));
307 memcpy(*extra, &ex, sizeof(Z_SRW_extra_record));
310 else if (o->direction == ODR_ENCODE)
312 xmlNodePtr ptr = pptr;
313 int pack = rec->recordPacking;
314 const char *spack = yaz_srw_pack_to_str(pack);
316 add_xsd_string(ptr, "recordSchema", rec->recordSchema);
318 add_xsd_string(ptr, "recordPacking", spack);
321 case Z_SRW_recordPacking_string:
322 add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
323 rec->recordData_len);
325 case Z_SRW_recordPacking_XML:
326 add_XML_n(ptr, "recordData", rec->recordData_buf,
327 rec->recordData_len, 0);
329 case Z_SRW_recordPacking_URL:
330 add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
331 rec->recordData_len);
334 if (rec->recordPosition)
335 add_xsd_integer(ptr, "recordPosition", rec->recordPosition );
338 if ((*extra)->recordIdentifier)
339 add_xsd_string(ptr, "recordIdentifier",
340 (*extra)->recordIdentifier);
341 if ((*extra)->extraRecordData_buf)
342 add_XML_n(ptr, "extraRecordData",
343 (*extra)->extraRecordData_buf,
344 (*extra)->extraRecordData_len, 0);
350 static int yaz_srw_records(ODR o, xmlNodePtr pptr, Z_SRW_record **recs,
351 Z_SRW_extra_record ***extra,
352 int *num, void *client_data, const char *ns)
354 if (o->direction == ODR_DECODE)
359 for (ptr = pptr->children; ptr; ptr = ptr->next)
361 if (ptr->type == XML_ELEMENT_NODE &&
362 !xmlStrcmp(ptr->name, BAD_CAST "record"))
367 *recs = (Z_SRW_record *) odr_malloc(o, *num * sizeof(**recs));
368 *extra = (Z_SRW_extra_record **) odr_malloc(o, *num * sizeof(**extra));
369 for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
371 if (ptr->type == XML_ELEMENT_NODE &&
372 !xmlStrcmp(ptr->name, BAD_CAST "record"))
374 yaz_srw_record(o, ptr, *recs + i, *extra + i, client_data, ns);
379 else if (o->direction == ODR_ENCODE)
382 for (i = 0; i < *num; i++)
384 xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "record",
386 yaz_srw_record(o, rptr, (*recs)+i, (*extra ? *extra + i : 0),
393 static int yaz_srw_version(ODR o, xmlNodePtr pptr, Z_SRW_recordVersion *rec,
394 void *client_data, const char *ns)
396 if (o->direction == ODR_DECODE)
399 rec->versionType = 0;
400 rec->versionValue = 0;
401 for (ptr = pptr->children; ptr; ptr = ptr->next)
404 if (match_xsd_string(ptr, "versionType", o,
408 match_xsd_string(ptr, "versionValue", o, &rec->versionValue);
411 else if (o->direction == ODR_ENCODE)
413 xmlNodePtr ptr = pptr;
414 add_xsd_string(ptr, "versionType", rec->versionType);
415 add_xsd_string(ptr, "versionValue", rec->versionValue);
420 static int yaz_srw_versions(ODR o, xmlNodePtr pptr,
421 Z_SRW_recordVersion **vers,
422 int *num, void *client_data, const char *ns)
424 if (o->direction == ODR_DECODE)
429 for (ptr = pptr->children; ptr; ptr = ptr->next)
431 if (ptr->type == XML_ELEMENT_NODE &&
432 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
437 *vers = (Z_SRW_recordVersion *) odr_malloc(o, *num * sizeof(**vers));
438 for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
440 if (ptr->type == XML_ELEMENT_NODE &&
441 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
443 yaz_srw_version(o, ptr, *vers + i, client_data, ns);
448 else if (o->direction == ODR_ENCODE)
451 for (i = 0; i < *num; i++)
453 xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "version",
455 yaz_srw_version(o, rptr, (*vers)+i, client_data, ns);
461 Z_FacetTerm *yaz_sru_proxy_get_facet_term_count(ODR odr, xmlNodePtr node)
465 WRBUF wrbuf = wrbuf_alloc();
466 Z_FacetTerm *facet_term;
467 const char *freq_string = yaz_element_attribute_value_get(
468 node, "facetvalue", "est_representation");
470 freq = odr_atoi(freq_string);
474 for (child = node->children; child ; child = child->next)
476 if (child->type == XML_TEXT_NODE)
477 wrbuf_puts(wrbuf, (const char *) child->content);
479 facet_term = facet_term_create_cstr(odr, wrbuf_cstr(wrbuf), freq);
480 wrbuf_destroy(wrbuf);
484 static Z_FacetField *yaz_sru_proxy_decode_facet_field(ODR odr, xmlNodePtr ptr)
486 Z_AttributeList *list;
487 Z_FacetField *facet_field;
492 const char* name = yaz_element_attribute_value_get(ptr, "facet", "code");
493 yaz_log(YLOG_DEBUG, "sru-proxy facet type: %s", name);
495 list = yaz_use_attribute_create(odr, name);
496 for (node = ptr->children; node; node = node->next) {
497 if (match_element(node, "facetvalue"))
500 facet_field = facet_field_create(odr, list, num_terms);
502 for (node = ptr->children; node; node = node->next)
504 if (match_element(node, "facetvalue"))
506 facet_field_term_set(odr, facet_field,
507 yaz_sru_proxy_get_facet_term_count(odr, node),
515 static int yaz_sru_proxy_decode_facets(ODR o, xmlNodePtr root,
516 Z_FacetList **facetList)
520 for (ptr = root->children; ptr; ptr = ptr->next)
522 if (match_element(ptr, "facets"))
525 Z_FacetList *facet_list;
527 for (node = ptr->children; node; node= node->next)
529 if (node->type == XML_ELEMENT_NODE)
532 facet_list = facet_list_create(o, num_facets);
534 for (node = ptr->children; node; node= node->next)
536 if (match_element(node, "facet"))
538 facet_list_field_set(
540 yaz_sru_proxy_decode_facet_field(o, node), num_facets);
544 *facetList = facet_list;
553 static int yaz_srw_decode_diagnostics(ODR o, xmlNodePtr pptr,
554 Z_SRW_diagnostic **recs, int *num,
555 void *client_data, const char *ns)
560 for (ptr = pptr; ptr; ptr = ptr->next)
562 if (ptr->type == XML_ELEMENT_NODE &&
563 !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
568 *recs = (Z_SRW_diagnostic *) odr_malloc(o, *num * sizeof(**recs));
569 for (i = 0; i < *num; i++)
572 (*recs)[i].details = 0;
573 (*recs)[i].message = 0;
575 for (i = 0, ptr = pptr; ptr; ptr = ptr->next)
577 if (ptr->type == XML_ELEMENT_NODE &&
578 !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
582 (*recs)[i].details = 0;
583 (*recs)[i].message = 0;
584 for (rptr = ptr->children; rptr; rptr = rptr->next)
586 if (match_xsd_string(rptr, "uri", o,
589 else if (match_xsd_string(rptr, "details", o,
590 &(*recs)[i].details))
593 match_xsd_string(rptr, "message", o, &(*recs)[i].message);
601 int sru_decode_surrogate_diagnostics(const char *buf, size_t len,
602 Z_SRW_diagnostic **diag,
606 xmlDocPtr doc = xmlParseMemory(buf, len);
609 xmlNodePtr ptr = xmlDocGetRootElement(doc);
610 while (ptr && ptr->type != XML_ELEMENT_NODE)
613 && !xmlStrcmp(ptr->ns->href,
614 BAD_CAST "http://www.loc.gov/zing/srw/diagnostic/"))
616 ret = yaz_srw_decode_diagnostics(odr, ptr, diag, num, 0, 0);
623 static int yaz_srw_diagnostics(ODR o, xmlNodePtr pptr, Z_SRW_diagnostic **recs,
624 int *num, void *client_data, const char *ns)
626 if (o->direction == ODR_DECODE)
628 return yaz_srw_decode_diagnostics(o, pptr->children, recs, num, client_data, ns);
630 else if (o->direction == ODR_ENCODE)
634 xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1, BAD_CAST "diag" );
635 for (i = 0; i < *num; i++)
637 const char *std_diag = "info:srw/diagnostic/1/";
638 const char *ucp_diag = "info:srw/diagnostic/12/";
639 xmlNodePtr rptr = xmlNewChild(pptr, ns_diag,
640 BAD_CAST "diagnostic", 0);
641 add_xsd_string(rptr, "uri", (*recs)[i].uri);
642 if ((*recs)[i].message)
643 add_xsd_string(rptr, "message", (*recs)[i].message);
644 else if ((*recs)[i].uri )
646 if (!strncmp((*recs)[i].uri, std_diag, strlen(std_diag)))
648 int no = atoi((*recs)[i].uri + strlen(std_diag));
649 const char *message = yaz_diag_srw_str(no);
651 add_xsd_string(rptr, "message", message);
653 else if (!strncmp((*recs)[i].uri, ucp_diag, strlen(ucp_diag)))
655 int no = atoi((*recs)[i].uri + strlen(ucp_diag));
656 const char *message = yaz_diag_sru_update_str(no);
658 add_xsd_string(rptr, "message", message);
661 add_xsd_string(rptr, "details", (*recs)[i].details);
667 static int yaz_srw_term(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm *term,
668 void *client_data, const char *ns)
670 if (o->direction == ODR_DECODE)
674 term->numberOfRecords = 0;
675 term->displayTerm = 0;
676 term->whereInList = 0;
677 for (ptr = pptr->children; ptr; ptr = ptr->next)
679 if (match_xsd_string(ptr, "value", o, &term->value))
681 else if (match_xsd_integer(ptr, "numberOfRecords", o,
682 &term->numberOfRecords))
684 else if (match_xsd_string(ptr, "displayTerm", o,
688 match_xsd_string(ptr, "whereInList", o, &term->whereInList);
691 else if (o->direction == ODR_ENCODE)
693 xmlNodePtr ptr = pptr;
694 add_xsd_string(ptr, "value", term->value);
695 add_xsd_integer(ptr, "numberOfRecords", term->numberOfRecords);
696 add_xsd_string(ptr, "displayTerm", term->displayTerm);
697 add_xsd_string(ptr, "whereInList", term->whereInList);
702 static int yaz_srw_terms(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm **terms,
703 int *num, void *client_data, const char *ns)
705 if (o->direction == ODR_DECODE)
710 for (ptr = pptr->children; ptr; ptr = ptr->next)
712 if (ptr->type == XML_ELEMENT_NODE &&
713 !xmlStrcmp(ptr->name, BAD_CAST "term"))
718 *terms = (Z_SRW_scanTerm *) odr_malloc(o, *num * sizeof(**terms));
719 for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
721 if (ptr->type == XML_ELEMENT_NODE &&
722 !xmlStrcmp(ptr->name, BAD_CAST "term"))
723 yaz_srw_term(o, ptr, (*terms)+i, client_data, ns);
726 else if (o->direction == ODR_ENCODE)
729 for (i = 0; i < *num; i++)
731 xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "term", 0);
732 yaz_srw_term(o, rptr, (*terms)+i, client_data, ns);
738 int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
739 void *client_data, const char *ns)
741 xmlNodePtr pptr = (xmlNodePtr) vptr;
742 if (o->direction == ODR_DECODE)
744 Z_SRW_PDU **p = handler_data;
745 xmlNodePtr method = pptr->children;
748 while (method && method->type == XML_TEXT_NODE)
749 method = method->next;
753 if (method->type != XML_ELEMENT_NODE)
756 *p = yaz_srw_get_core_v_1_1(o);
758 if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveRequest"))
760 xmlNodePtr ptr = method->children;
761 Z_SRW_searchRetrieveRequest *req;
763 (*p)->which = Z_SRW_searchRetrieve_request;
764 req = (*p)->u.request = (Z_SRW_searchRetrieveRequest *)
765 odr_malloc(o, sizeof(*req));
766 req->query_type = Z_SRW_query_type_cql;
768 req->sort_type = Z_SRW_sort_type_none;
770 req->startRecord = 0;
771 req->maximumRecords = 0;
772 req->recordSchema = 0;
773 req->recordPacking = 0;
774 req->recordXPath = 0;
775 req->resultSetTTL = 0;
779 for (; ptr; ptr = ptr->next)
781 if (match_xsd_string(ptr, "version", o,
784 else if (match_xsd_string(ptr, "query", o,
786 req->query_type = Z_SRW_query_type_cql;
787 else if (match_xsd_string(ptr, "pQuery", o,
789 req->query_type = Z_SRW_query_type_pqf;
790 else if (match_xsd_string(ptr, "xQuery", o,
792 req->query_type = Z_SRW_query_type_xcql;
793 else if (match_xsd_integer(ptr, "startRecord", o,
796 else if (match_xsd_integer(ptr, "maximumRecords", o,
797 &req->maximumRecords))
799 else if (match_xsd_string(ptr, "recordPacking", o,
800 &req->recordPacking))
802 else if (match_xsd_string(ptr, "recordSchema", o,
805 else if (match_xsd_string(ptr, "recordXPath", o,
808 else if (match_xsd_integer(ptr, "resultSetTTL", o,
811 else if (match_xsd_string(ptr, "sortKeys", o,
812 &req->sort.sortKeys))
813 req->sort_type = Z_SRW_sort_type_sort;
814 else if (match_xsd_string(ptr, "stylesheet", o,
818 match_xsd_string(ptr, "database", o, &req->database);
820 if (!req->query.cql && !req->query.pqf && !req->query.xcql)
822 /* should put proper diagnostic here */
826 else if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveResponse"))
828 xmlNodePtr ptr = method->children;
829 Z_SRW_searchRetrieveResponse *res;
831 (*p)->which = Z_SRW_searchRetrieve_response;
832 res = (*p)->u.response = (Z_SRW_searchRetrieveResponse *)
833 odr_malloc(o, sizeof(*res));
835 res->numberOfRecords = 0;
836 res->resultSetId = 0;
837 res->resultSetIdleTime = 0;
839 res->num_records = 0;
840 res->diagnostics = 0;
841 res->num_diagnostics = 0;
842 res->nextRecordPosition = 0;
845 for (; ptr; ptr = ptr->next)
847 if (match_xsd_string(ptr, "version", o,
850 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
851 &(*p)->extraResponseData_buf,
852 &(*p)->extraResponseData_len))
854 else if (match_xsd_integer(ptr, "numberOfRecords", o,
855 &res->numberOfRecords))
857 else if (match_xsd_string(ptr, "resultSetId", o,
860 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
861 &res->resultSetIdleTime))
863 else if (match_element(ptr, "records"))
864 yaz_srw_records(o, ptr, &res->records,
866 &res->num_records, client_data, ns);
867 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
868 &res->nextRecordPosition))
870 else if (match_element(ptr, "diagnostics"))
871 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
872 &res->num_diagnostics,
874 else if (match_element(ptr, "facet_analysis"))
875 yaz_sru_proxy_decode_facets(o, ptr, &res->facetList);
878 else if (!xmlStrcmp(method->name, BAD_CAST "explainRequest"))
880 Z_SRW_explainRequest *req;
881 xmlNodePtr ptr = method->children;
883 (*p)->which = Z_SRW_explain_request;
884 req = (*p)->u.explain_request = (Z_SRW_explainRequest *)
885 odr_malloc(o, sizeof(*req));
886 req->recordPacking = 0;
889 for (; ptr; ptr = ptr->next)
891 if (match_xsd_string(ptr, "version", o,
894 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
895 &(*p)->extraResponseData_buf,
896 &(*p)->extraResponseData_len))
898 else if (match_xsd_string(ptr, "stylesheet", o,
901 else if (match_xsd_string(ptr, "recordPacking", o,
902 &req->recordPacking))
905 match_xsd_string(ptr, "database", o, &req->database);
908 else if (!xmlStrcmp(method->name, BAD_CAST "explainResponse"))
910 Z_SRW_explainResponse *res;
911 xmlNodePtr ptr = method->children;
913 (*p)->which = Z_SRW_explain_response;
914 res = (*p)->u.explain_response = (Z_SRW_explainResponse*)
915 odr_malloc(o, sizeof(*res));
916 res->diagnostics = 0;
917 res->num_diagnostics = 0;
918 res->record.recordSchema = 0;
919 res->record.recordData_buf = 0;
920 res->record.recordData_len = 0;
921 res->record.recordPosition = 0;
923 for (; ptr; ptr = ptr->next)
925 if (match_xsd_string(ptr, "version", o,
928 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
929 &(*p)->extraResponseData_buf,
930 &(*p)->extraResponseData_len))
932 else if (match_element(ptr, "record"))
933 yaz_srw_record(o, ptr, &res->record, &res->extra_record,
935 else if (match_element(ptr, "diagnostics"))
936 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
937 &res->num_diagnostics,
942 else if (!xmlStrcmp(method->name, BAD_CAST "scanRequest"))
944 Z_SRW_scanRequest *req;
945 xmlNodePtr ptr = method->children;
947 (*p)->which = Z_SRW_scan_request;
948 req = (*p)->u.scan_request = (Z_SRW_scanRequest *)
949 odr_malloc(o, sizeof(*req));
950 req->query_type = Z_SRW_query_type_cql;
951 req->scanClause.cql = 0;
952 req->responsePosition = 0;
953 req->maximumTerms = 0;
957 for (; ptr; ptr = ptr->next)
959 if (match_xsd_string(ptr, "version", o,
962 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
963 &(*p)->extraResponseData_buf,
964 &(*p)->extraResponseData_len))
966 else if (match_xsd_string(ptr, "scanClause", o,
967 &req->scanClause.cql))
969 else if (match_xsd_string(ptr, "pScanClause", o,
970 &req->scanClause.pqf))
972 req->query_type = Z_SRW_query_type_pqf;
974 else if (match_xsd_integer(ptr, "responsePosition", o,
975 &req->responsePosition))
977 else if (match_xsd_integer(ptr, "maximumTerms", o,
980 else if (match_xsd_string(ptr, "stylesheet", o,
984 match_xsd_string(ptr, "database", o, &req->database);
987 else if (!xmlStrcmp(method->name, BAD_CAST "scanResponse"))
989 Z_SRW_scanResponse *res;
990 xmlNodePtr ptr = method->children;
992 (*p)->which = Z_SRW_scan_response;
993 res = (*p)->u.scan_response = (Z_SRW_scanResponse *)
994 odr_malloc(o, sizeof(*res));
997 res->diagnostics = 0;
998 res->num_diagnostics = 0;
1000 for (; ptr; ptr = ptr->next)
1002 if (match_xsd_string(ptr, "version", o,
1003 &(*p)->srw_version))
1005 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
1006 &(*p)->extraResponseData_buf,
1007 &(*p)->extraResponseData_len))
1009 else if (match_element(ptr, "terms"))
1010 yaz_srw_terms(o, ptr, &res->terms,
1011 &res->num_terms, client_data,
1013 else if (match_element(ptr, "diagnostics"))
1014 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1015 &res->num_diagnostics,
1024 neg_version = yaz_negotiate_sru_version((*p)->srw_version);
1026 (*p)->srw_version = neg_version;
1028 else if (o->direction == ODR_ENCODE)
1030 Z_SRW_PDU **p = handler_data;
1034 if ((*p)->which == Z_SRW_searchRetrieve_request)
1036 Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
1037 ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveRequest", 0);
1038 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1039 xmlSetNs(ptr, ns_srw);
1041 if ((*p)->srw_version)
1042 add_xsd_string(ptr, "version", (*p)->srw_version);
1043 switch (req->query_type)
1045 case Z_SRW_query_type_cql:
1046 add_xsd_string(ptr, "query", req->query.cql);
1048 case Z_SRW_query_type_xcql:
1049 add_xsd_string(ptr, "xQuery", req->query.xcql);
1051 case Z_SRW_query_type_pqf:
1052 add_xsd_string(ptr, "pQuery", req->query.pqf);
1055 add_xsd_integer(ptr, "startRecord", req->startRecord);
1056 add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
1057 add_xsd_string(ptr, "recordPacking", req->recordPacking);
1058 add_xsd_string(ptr, "recordSchema", req->recordSchema);
1059 add_xsd_string(ptr, "recordXPath", req->recordXPath);
1060 add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
1061 switch (req->sort_type)
1063 case Z_SRW_sort_type_none:
1065 case Z_SRW_sort_type_sort:
1066 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
1068 case Z_SRW_sort_type_xSort:
1069 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
1072 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1073 add_xsd_string(ptr, "database", req->database);
1075 else if ((*p)->which == Z_SRW_searchRetrieve_response)
1077 Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
1078 ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveResponse", 0);
1079 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1080 xmlSetNs(ptr, ns_srw);
1082 if ((*p)->srw_version)
1083 add_xsd_string(ptr, "version", (*p)->srw_version);
1084 add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
1085 add_xsd_string(ptr, "resultSetId", res->resultSetId);
1086 add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
1087 if (res->num_records)
1089 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "records", 0);
1090 yaz_srw_records(o, rptr, &res->records, &res->extra_records,
1094 add_xsd_integer(ptr, "nextRecordPosition",
1095 res->nextRecordPosition);
1096 if (res->num_diagnostics)
1098 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1100 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1101 &res->num_diagnostics, client_data, ns);
1104 else if ((*p)->which == Z_SRW_explain_request)
1106 Z_SRW_explainRequest *req = (*p)->u.explain_request;
1107 ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest", 0);
1108 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1109 xmlSetNs(ptr, ns_srw);
1111 add_xsd_string(ptr, "version", (*p)->srw_version);
1112 add_xsd_string(ptr, "recordPacking", req->recordPacking);
1113 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1114 add_xsd_string(ptr, "database", req->database);
1116 else if ((*p)->which == Z_SRW_explain_response)
1118 Z_SRW_explainResponse *res = (*p)->u.explain_response;
1119 ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse", 0);
1120 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1121 xmlSetNs(ptr, ns_srw);
1123 add_xsd_string(ptr, "version", (*p)->srw_version);
1126 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1127 yaz_srw_record(o, ptr1, &res->record, &res->extra_record,
1130 if (res->num_diagnostics)
1132 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1134 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1135 &res->num_diagnostics, client_data, ns);
1138 else if ((*p)->which == Z_SRW_scan_request)
1140 Z_SRW_scanRequest *req = (*p)->u.scan_request;
1141 ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
1142 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1143 xmlSetNs(ptr, ns_srw);
1145 add_xsd_string(ptr, "version", (*p)->srw_version);
1146 switch (req->query_type)
1148 case Z_SRW_query_type_cql:
1149 add_xsd_string(ptr, "scanClause", req->scanClause.cql);
1151 case Z_SRW_query_type_pqf:
1152 add_xsd_string(ptr, "pScanClause", req->scanClause.pqf);
1155 add_xsd_integer(ptr, "responsePosition", req->responsePosition);
1156 add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
1157 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1158 add_xsd_string(ptr, "database", req->database);
1160 else if ((*p)->which == Z_SRW_scan_response)
1162 Z_SRW_scanResponse *res = (*p)->u.scan_response;
1163 ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
1164 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1165 xmlSetNs(ptr, ns_srw);
1167 add_xsd_string(ptr, "version", (*p)->srw_version);
1171 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "terms", 0);
1172 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
1175 if (res->num_diagnostics)
1177 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1179 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1180 &res->num_diagnostics, client_data, ns);
1185 if (ptr && (*p)->extraResponseData_len)
1186 add_XML_n(ptr, "extraResponseData",
1187 (*p)->extraResponseData_buf,
1188 (*p)->extraResponseData_len, ns_srw);
1195 int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
1196 void *client_data, const char *ns_ucp_str)
1198 xmlNodePtr pptr = (xmlNodePtr) vptr;
1199 const char *ns_srw_str = YAZ_XMLNS_SRU_v1_1;
1200 if (o->direction == ODR_DECODE)
1202 Z_SRW_PDU **p = handler_data;
1203 xmlNodePtr method = pptr->children;
1205 while (method && method->type == XML_TEXT_NODE)
1206 method = method->next;
1210 if (method->type != XML_ELEMENT_NODE)
1213 *p = yaz_srw_get_core_v_1_1(o);
1215 if (!xmlStrcmp(method->name, BAD_CAST "updateRequest"))
1217 xmlNodePtr ptr = method->children;
1218 Z_SRW_updateRequest *req;
1221 (*p)->which = Z_SRW_update_request;
1222 req = (*p)->u.update_request = (Z_SRW_updateRequest *)
1223 odr_malloc(o, sizeof(*req));
1227 req->recordVersions = 0;
1228 req->num_recordVersions = 0;
1230 req->extra_record = 0;
1231 req->extraRequestData_buf = 0;
1232 req->extraRequestData_len = 0;
1233 req->stylesheet = 0;
1235 for (; ptr; ptr = ptr->next)
1237 if (match_xsd_string(ptr, "version", o,
1238 &(*p)->srw_version))
1240 else if (match_xsd_string(ptr, "action", o,
1244 if (!strcmp(oper, "info:srw/action/1/delete"))
1245 req->operation = "delete";
1246 else if (!strcmp(oper,"info:srw/action/1/replace" ))
1247 req->operation = "replace";
1248 else if (!strcmp(oper, "info:srw/action/1/create"))
1249 req->operation = "insert";
1252 else if (match_xsd_string(ptr, "recordIdentifier", o,
1255 else if (match_element(ptr, "recordVersions" ) )
1256 yaz_srw_versions( o, ptr, &req->recordVersions,
1257 &req->num_recordVersions, client_data,
1259 else if (match_element(ptr, "record"))
1261 req->record = yaz_srw_get_record(o);
1262 yaz_srw_record(o, ptr, req->record, &req->extra_record,
1263 client_data, ns_ucp_str);
1265 else if (match_xsd_string(ptr, "stylesheet", o,
1269 match_xsd_string(ptr, "database", o, &req->database);
1272 else if (!xmlStrcmp(method->name, BAD_CAST "updateResponse"))
1274 xmlNodePtr ptr = method->children;
1275 Z_SRW_updateResponse *res;
1277 (*p)->which = Z_SRW_update_response;
1278 res = (*p)->u.update_response = (Z_SRW_updateResponse *)
1279 odr_malloc(o, sizeof(*res));
1281 res->operationStatus = 0;
1283 res->recordVersions = 0;
1284 res->num_recordVersions = 0;
1285 res->diagnostics = 0;
1286 res->num_diagnostics = 0;
1288 res->extra_record = 0;
1289 res->extraResponseData_buf = 0;
1290 res->extraResponseData_len = 0;
1292 for (; ptr; ptr = ptr->next)
1294 if (match_xsd_string(ptr, "version", o,
1295 &(*p)->srw_version))
1297 else if (match_xsd_string(ptr, "operationStatus", o,
1298 &res->operationStatus ))
1300 else if (match_xsd_string(ptr, "recordIdentifier", o,
1303 else if (match_element(ptr, "recordVersions" ))
1304 yaz_srw_versions(o, ptr, &res->recordVersions,
1305 &res->num_recordVersions,
1306 client_data, ns_ucp_str);
1307 else if (match_element(ptr, "record"))
1309 res->record = yaz_srw_get_record(o);
1310 yaz_srw_record(o, ptr, res->record, &res->extra_record,
1311 client_data, ns_ucp_str);
1313 else if (match_element(ptr, "diagnostics"))
1314 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1315 &res->num_diagnostics,
1316 client_data, ns_ucp_str);
1319 else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateRequest"))
1322 else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateResponse"))
1331 else if (o->direction == ODR_ENCODE)
1333 Z_SRW_PDU **p = handler_data;
1334 xmlNsPtr ns_ucp, ns_srw;
1336 if ((*p)->which == Z_SRW_update_request)
1338 Z_SRW_updateRequest *req = (*p)->u.update_request;
1339 xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "updateRequest", 0);
1340 ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1341 xmlSetNs(ptr, ns_ucp);
1342 ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1344 add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1345 add_xsd_string(ptr, "action", req->operation);
1346 add_xsd_string(ptr, "recordIdentifier", req->recordId );
1347 if (req->recordVersions)
1348 yaz_srw_versions( o, ptr, &req->recordVersions,
1349 &req->num_recordVersions,
1350 client_data, ns_ucp_str);
1351 if (req->record && req->record->recordData_len)
1353 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1354 xmlSetNs(rptr, ns_srw);
1355 yaz_srw_record(o, rptr, req->record, &req->extra_record,
1356 client_data, ns_ucp_str);
1358 if (req->extraRequestData_len)
1360 add_XML_n(ptr, "extraRequestData",
1361 req->extraRequestData_buf,
1362 req->extraRequestData_len, ns_srw);
1364 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1365 add_xsd_string(ptr, "database", req->database);
1367 else if ((*p)->which == Z_SRW_update_response)
1369 Z_SRW_updateResponse *res = (*p)->u.update_response;
1370 xmlNodePtr ptr = xmlNewChild(pptr, 0, (xmlChar *)
1371 "updateResponse", 0);
1372 ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1373 xmlSetNs(ptr, ns_ucp);
1374 ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1376 add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1377 add_xsd_string(ptr, "operationStatus", res->operationStatus );
1378 add_xsd_string(ptr, "recordIdentifier", res->recordId );
1379 if (res->recordVersions)
1380 yaz_srw_versions(o, ptr, &res->recordVersions,
1381 &res->num_recordVersions,
1382 client_data, ns_ucp_str);
1383 if (res->record && res->record->recordData_len)
1385 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1386 xmlSetNs(rptr, ns_srw);
1387 yaz_srw_record(o, rptr, res->record, &res->extra_record,
1388 client_data, ns_ucp_str);
1390 if (res->num_diagnostics)
1393 xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1,
1396 xmlNodePtr rptr = xmlNewChild(ptr, ns_diag, BAD_CAST "diagnostics", 0);
1397 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1398 &res->num_diagnostics, client_data,
1401 if (res->extraResponseData_len)
1402 add_XML_n(ptr, "extraResponseData",
1403 res->extraResponseData_buf,
1404 res->extraResponseData_len, ns_srw);
1418 * c-file-style: "Stroustrup"
1419 * indent-tabs-mode: nil
1421 * vim: shiftwidth=4 tabstop=8 expandtab