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 xmlBufferAddHead(buf, (const xmlChar *) "<yaz_record>", -1);
168 xmlBufferAdd(buf, (const xmlChar *) "</yaz_record>", -1);
170 *val = (char *) odr_malloc(o, buf->use+1);
171 memcpy (*val, buf->content, buf->use);
172 (*val)[buf->use] = '\0';
182 static int match_xsd_XML_n(xmlNodePtr ptr, const char *elem, ODR o,
183 char **val, int *len)
185 return match_xsd_XML_n2(ptr, elem, o, val, len, 0);
188 static int match_xsd_integer(xmlNodePtr ptr, const char *elem, ODR o,
192 struct _xmlAttr *attr;
194 if (!match_element(ptr, elem))
197 for (attr = ptr->properties; attr; attr = attr->next)
198 if (!strcmp(attr->name, "type") &&
199 attr->children && attr->children->type == XML_TEXT_NODE)
201 const char *t = strchr(attr->children->content, ':');
205 t = attr->children->content;
206 if (!strcmp(t, "integer"))
213 if (!ptr || ptr->type != XML_TEXT_NODE)
215 *val = odr_intdup(o, odr_atoi((const char *) ptr->content));
219 char *yaz_negotiate_sru_version(char *input_ver)
224 if (!strcmp(input_ver, "1.1"))
226 return "1.2"; /* our latest supported version */
229 static int yaz_srw_record(ODR o, xmlNodePtr pptr, Z_SRW_record *rec,
230 Z_SRW_extra_record **extra,
231 void *client_data, const char *ns)
233 if (o->direction == ODR_DECODE)
235 Z_SRW_extra_record ex;
238 int pack = Z_SRW_recordPacking_string;
240 xmlNodePtr data_ptr = 0;
241 rec->recordSchema = 0;
242 rec->recordData_buf = 0;
243 rec->recordData_len = 0;
244 rec->recordPosition = 0;
247 ex.extraRecordData_buf = 0;
248 ex.extraRecordData_len = 0;
249 ex.recordIdentifier = 0;
251 for (ptr = pptr->children; ptr; ptr = ptr->next)
254 if (match_xsd_string(ptr, "recordSchema", o,
257 else if (match_xsd_string(ptr, "recordPacking", o, &spack))
260 pack = yaz_srw_str_to_pack(spack);
262 else if (match_xsd_integer(ptr, "recordPosition", o,
263 &rec->recordPosition))
265 else if (match_element(ptr, "recordData"))
267 /* save position of Data until after the loop
268 then we will know the packing (hopefully), and
269 unpacking is done once
273 else if (match_xsd_XML_n(ptr, "extraRecordData", o,
274 &ex.extraRecordData_buf,
275 &ex.extraRecordData_len) )
278 match_xsd_string(ptr, "recordIdentifier", o,
279 &ex.recordIdentifier);
285 case Z_SRW_recordPacking_XML:
286 match_xsd_XML_n2(data_ptr, "recordData", o,
287 &rec->recordData_buf, &rec->recordData_len, 1);
289 case Z_SRW_recordPacking_URL:
290 /* just store it as a string.
291 leave it to the backend to collect the document */
292 match_xsd_string_n(data_ptr, "recordData", o,
293 &rec->recordData_buf, &rec->recordData_len);
295 case Z_SRW_recordPacking_string:
296 match_xsd_string_n(data_ptr, "recordData", o,
297 &rec->recordData_buf, &rec->recordData_len);
301 rec->recordPacking = pack;
302 if (ex.extraRecordData_buf || ex.recordIdentifier)
304 *extra = (Z_SRW_extra_record *)
305 odr_malloc(o, sizeof(Z_SRW_extra_record));
306 memcpy(*extra, &ex, sizeof(Z_SRW_extra_record));
309 else if (o->direction == ODR_ENCODE)
311 xmlNodePtr ptr = pptr;
312 int pack = rec->recordPacking;
313 const char *spack = yaz_srw_pack_to_str(pack);
315 add_xsd_string(ptr, "recordSchema", rec->recordSchema);
317 add_xsd_string(ptr, "recordPacking", spack);
320 case Z_SRW_recordPacking_string:
321 add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
322 rec->recordData_len);
324 case Z_SRW_recordPacking_XML:
325 add_XML_n(ptr, "recordData", rec->recordData_buf,
326 rec->recordData_len, 0);
328 case Z_SRW_recordPacking_URL:
329 add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
330 rec->recordData_len);
333 if (rec->recordPosition)
334 add_xsd_integer(ptr, "recordPosition", rec->recordPosition );
337 if ((*extra)->recordIdentifier)
338 add_xsd_string(ptr, "recordIdentifier",
339 (*extra)->recordIdentifier);
340 if ((*extra)->extraRecordData_buf)
341 add_XML_n(ptr, "extraRecordData",
342 (*extra)->extraRecordData_buf,
343 (*extra)->extraRecordData_len, 0);
349 static int yaz_srw_records(ODR o, xmlNodePtr pptr, Z_SRW_record **recs,
350 Z_SRW_extra_record ***extra,
351 int *num, void *client_data, const char *ns)
353 if (o->direction == ODR_DECODE)
358 for (ptr = pptr->children; ptr; ptr = ptr->next)
360 if (ptr->type == XML_ELEMENT_NODE &&
361 !xmlStrcmp(ptr->name, BAD_CAST "record"))
366 *recs = (Z_SRW_record *) odr_malloc(o, *num * sizeof(**recs));
367 *extra = (Z_SRW_extra_record **) odr_malloc(o, *num * sizeof(**extra));
368 for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
370 if (ptr->type == XML_ELEMENT_NODE &&
371 !xmlStrcmp(ptr->name, BAD_CAST "record"))
373 yaz_srw_record(o, ptr, *recs + i, *extra + i, client_data, ns);
378 else if (o->direction == ODR_ENCODE)
381 for (i = 0; i < *num; i++)
383 xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "record",
385 yaz_srw_record(o, rptr, (*recs)+i, (*extra ? *extra + i : 0),
392 static int yaz_srw_version(ODR o, xmlNodePtr pptr, Z_SRW_recordVersion *rec,
393 void *client_data, const char *ns)
395 if (o->direction == ODR_DECODE)
398 rec->versionType = 0;
399 rec->versionValue = 0;
400 for (ptr = pptr->children; ptr; ptr = ptr->next)
403 if (match_xsd_string(ptr, "versionType", o,
407 match_xsd_string(ptr, "versionValue", o, &rec->versionValue);
410 else if (o->direction == ODR_ENCODE)
412 xmlNodePtr ptr = pptr;
413 add_xsd_string(ptr, "versionType", rec->versionType);
414 add_xsd_string(ptr, "versionValue", rec->versionValue);
419 static int yaz_srw_versions(ODR o, xmlNodePtr pptr,
420 Z_SRW_recordVersion **vers,
421 int *num, void *client_data, const char *ns)
423 if (o->direction == ODR_DECODE)
428 for (ptr = pptr->children; ptr; ptr = ptr->next)
430 if (ptr->type == XML_ELEMENT_NODE &&
431 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
436 *vers = (Z_SRW_recordVersion *) odr_malloc(o, *num * sizeof(**vers));
437 for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
439 if (ptr->type == XML_ELEMENT_NODE &&
440 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
442 yaz_srw_version(o, ptr, *vers + i, client_data, ns);
447 else if (o->direction == ODR_ENCODE)
450 for (i = 0; i < *num; i++)
452 xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "version",
454 yaz_srw_version(o, rptr, (*vers)+i, client_data, ns);
460 Z_FacetTerm *yaz_sru_proxy_get_facet_term_count(ODR odr, xmlNodePtr node)
464 WRBUF wrbuf = wrbuf_alloc();
465 Z_FacetTerm *facet_term;
466 const char *freq_string = yaz_element_attribute_value_get(
467 node, "facetvalue", "est_representation");
469 freq = odr_atoi(freq_string);
473 for (child = node->children; child ; child = child->next)
475 if (child->type == XML_TEXT_NODE)
476 wrbuf_puts(wrbuf, (const char *) child->content);
478 facet_term = facet_term_create_cstr(odr, wrbuf_cstr(wrbuf), freq);
479 wrbuf_destroy(wrbuf);
483 static Z_FacetField *yaz_sru_proxy_decode_facet_field(ODR odr, xmlNodePtr ptr)
485 Z_AttributeList *list;
486 Z_FacetField *facet_field;
491 const char* name = yaz_element_attribute_value_get(ptr, "facet", "code");
492 yaz_log(YLOG_DEBUG, "sru-proxy facet type: %s", name);
494 list = yaz_use_attribute_create(odr, name);
495 for (node = ptr->children; node; node = node->next) {
496 if (match_element(node, "facetvalue"))
499 facet_field = facet_field_create(odr, list, num_terms);
501 for (node = ptr->children; node; node = node->next)
503 if (match_element(node, "facetvalue"))
505 facet_field_term_set(odr, facet_field,
506 yaz_sru_proxy_get_facet_term_count(odr, node),
514 static int yaz_sru_proxy_decode_facets(ODR o, xmlNodePtr root,
515 Z_FacetList **facetList)
519 for (ptr = root->children; ptr; ptr = ptr->next)
521 if (match_element(ptr, "facets"))
524 Z_FacetList *facet_list;
526 for (node = ptr->children; node; node= node->next)
528 if (node->type == XML_ELEMENT_NODE)
531 facet_list = facet_list_create(o, num_facets);
533 for (node = ptr->children; node; node= node->next)
535 if (match_element(node, "facet")) {
536 facet_list_field_set(o, facet_list, yaz_sru_proxy_decode_facet_field(o, node), num_facets);
540 *facetList = facet_list;
549 static int yaz_srw_decode_diagnostics(ODR o, xmlNodePtr pptr,
550 Z_SRW_diagnostic **recs, int *num,
551 void *client_data, const char *ns)
556 for (ptr = pptr; ptr; ptr = ptr->next)
558 if (ptr->type == XML_ELEMENT_NODE &&
559 !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
564 *recs = (Z_SRW_diagnostic *) odr_malloc(o, *num * sizeof(**recs));
565 for (i = 0; i < *num; i++)
568 (*recs)[i].details = 0;
569 (*recs)[i].message = 0;
571 for (i = 0, ptr = pptr; ptr; ptr = ptr->next)
573 if (ptr->type == XML_ELEMENT_NODE &&
574 !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
578 (*recs)[i].details = 0;
579 (*recs)[i].message = 0;
580 for (rptr = ptr->children; rptr; rptr = rptr->next)
582 if (match_xsd_string(rptr, "uri", o,
585 else if (match_xsd_string(rptr, "details", o,
586 &(*recs)[i].details))
589 match_xsd_string(rptr, "message", o, &(*recs)[i].message);
597 int sru_decode_surrogate_diagnostics(const char *buf, size_t len,
598 Z_SRW_diagnostic **diag,
602 xmlDocPtr doc = xmlParseMemory(buf, len);
605 xmlNodePtr ptr = xmlDocGetRootElement(doc);
606 while (ptr && ptr->type != XML_ELEMENT_NODE)
609 && !xmlStrcmp(ptr->ns->href,
610 BAD_CAST "http://www.loc.gov/zing/srw/diagnostic/"))
612 ret = yaz_srw_decode_diagnostics(odr, ptr, diag, num, 0, 0);
619 static int yaz_srw_diagnostics(ODR o, xmlNodePtr pptr, Z_SRW_diagnostic **recs,
620 int *num, void *client_data, const char *ns)
622 if (o->direction == ODR_DECODE)
624 return yaz_srw_decode_diagnostics(o, pptr->children, recs, num, client_data, ns);
626 else if (o->direction == ODR_ENCODE)
630 xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1, BAD_CAST "diag" );
631 for (i = 0; i < *num; i++)
633 const char *std_diag = "info:srw/diagnostic/1/";
634 const char *ucp_diag = "info:srw/diagnostic/12/";
635 xmlNodePtr rptr = xmlNewChild(pptr, ns_diag,
636 BAD_CAST "diagnostic", 0);
637 add_xsd_string(rptr, "uri", (*recs)[i].uri);
638 if ((*recs)[i].message)
639 add_xsd_string(rptr, "message", (*recs)[i].message);
640 else if ((*recs)[i].uri )
642 if (!strncmp((*recs)[i].uri, std_diag, strlen(std_diag)))
644 int no = atoi((*recs)[i].uri + strlen(std_diag));
645 const char *message = yaz_diag_srw_str(no);
647 add_xsd_string(rptr, "message", message);
649 else if (!strncmp((*recs)[i].uri, ucp_diag, strlen(ucp_diag)))
651 int no = atoi((*recs)[i].uri + strlen(ucp_diag));
652 const char *message = yaz_diag_sru_update_str(no);
654 add_xsd_string(rptr, "message", message);
657 add_xsd_string(rptr, "details", (*recs)[i].details);
663 static int yaz_srw_term(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm *term,
664 void *client_data, const char *ns)
666 if (o->direction == ODR_DECODE)
670 term->numberOfRecords = 0;
671 term->displayTerm = 0;
672 term->whereInList = 0;
673 for (ptr = pptr->children; ptr; ptr = ptr->next)
675 if (match_xsd_string(ptr, "value", o, &term->value))
677 else if (match_xsd_integer(ptr, "numberOfRecords", o,
678 &term->numberOfRecords))
680 else if (match_xsd_string(ptr, "displayTerm", o,
684 match_xsd_string(ptr, "whereInList", o, &term->whereInList);
687 else if (o->direction == ODR_ENCODE)
689 xmlNodePtr ptr = pptr;
690 add_xsd_string(ptr, "value", term->value);
691 add_xsd_integer(ptr, "numberOfRecords", term->numberOfRecords);
692 add_xsd_string(ptr, "displayTerm", term->displayTerm);
693 add_xsd_string(ptr, "whereInList", term->whereInList);
698 static int yaz_srw_terms(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm **terms,
699 int *num, void *client_data, const char *ns)
701 if (o->direction == ODR_DECODE)
706 for (ptr = pptr->children; ptr; ptr = ptr->next)
708 if (ptr->type == XML_ELEMENT_NODE &&
709 !xmlStrcmp(ptr->name, BAD_CAST "term"))
714 *terms = (Z_SRW_scanTerm *) odr_malloc(o, *num * sizeof(**terms));
715 for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
717 if (ptr->type == XML_ELEMENT_NODE &&
718 !xmlStrcmp(ptr->name, BAD_CAST "term"))
719 yaz_srw_term(o, ptr, (*terms)+i, client_data, ns);
722 else if (o->direction == ODR_ENCODE)
725 for (i = 0; i < *num; i++)
727 xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "term", 0);
728 yaz_srw_term(o, rptr, (*terms)+i, client_data, ns);
734 int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
735 void *client_data, const char *ns)
737 xmlNodePtr pptr = (xmlNodePtr) vptr;
738 if (o->direction == ODR_DECODE)
740 Z_SRW_PDU **p = handler_data;
741 xmlNodePtr method = pptr->children;
744 while (method && method->type == XML_TEXT_NODE)
745 method = method->next;
749 if (method->type != XML_ELEMENT_NODE)
752 *p = yaz_srw_get_core_v_1_1(o);
754 if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveRequest"))
756 xmlNodePtr ptr = method->children;
757 Z_SRW_searchRetrieveRequest *req;
759 (*p)->which = Z_SRW_searchRetrieve_request;
760 req = (*p)->u.request = (Z_SRW_searchRetrieveRequest *)
761 odr_malloc(o, sizeof(*req));
762 req->query_type = Z_SRW_query_type_cql;
764 req->sort_type = Z_SRW_sort_type_none;
766 req->startRecord = 0;
767 req->maximumRecords = 0;
768 req->recordSchema = 0;
769 req->recordPacking = 0;
770 req->recordXPath = 0;
771 req->resultSetTTL = 0;
775 for (; ptr; ptr = ptr->next)
777 if (match_xsd_string(ptr, "version", o,
780 else if (match_xsd_string(ptr, "query", o,
782 req->query_type = Z_SRW_query_type_cql;
783 else if (match_xsd_string(ptr, "pQuery", o,
785 req->query_type = Z_SRW_query_type_pqf;
786 else if (match_xsd_string(ptr, "xQuery", o,
788 req->query_type = Z_SRW_query_type_xcql;
789 else if (match_xsd_integer(ptr, "startRecord", o,
792 else if (match_xsd_integer(ptr, "maximumRecords", o,
793 &req->maximumRecords))
795 else if (match_xsd_string(ptr, "recordPacking", o,
796 &req->recordPacking))
798 else if (match_xsd_string(ptr, "recordSchema", o,
801 else if (match_xsd_string(ptr, "recordXPath", o,
804 else if (match_xsd_integer(ptr, "resultSetTTL", o,
807 else if (match_xsd_string(ptr, "sortKeys", o,
808 &req->sort.sortKeys))
809 req->sort_type = Z_SRW_sort_type_sort;
810 else if (match_xsd_string(ptr, "stylesheet", o,
814 match_xsd_string(ptr, "database", o, &req->database);
816 if (!req->query.cql && !req->query.pqf && !req->query.xcql)
818 /* should put proper diagnostic here */
822 else if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveResponse"))
824 xmlNodePtr ptr = method->children;
825 Z_SRW_searchRetrieveResponse *res;
827 (*p)->which = Z_SRW_searchRetrieve_response;
828 res = (*p)->u.response = (Z_SRW_searchRetrieveResponse *)
829 odr_malloc(o, sizeof(*res));
831 res->numberOfRecords = 0;
832 res->resultSetId = 0;
833 res->resultSetIdleTime = 0;
835 res->num_records = 0;
836 res->diagnostics = 0;
837 res->num_diagnostics = 0;
838 res->nextRecordPosition = 0;
841 for (; ptr; ptr = ptr->next)
843 if (match_xsd_string(ptr, "version", o,
846 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
847 &(*p)->extraResponseData_buf,
848 &(*p)->extraResponseData_len))
850 else if (match_xsd_integer(ptr, "numberOfRecords", o,
851 &res->numberOfRecords))
853 else if (match_xsd_string(ptr, "resultSetId", o,
856 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
857 &res->resultSetIdleTime))
859 else if (match_element(ptr, "records"))
860 yaz_srw_records(o, ptr, &res->records,
862 &res->num_records, client_data, ns);
863 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
864 &res->nextRecordPosition))
866 else if (match_element(ptr, "diagnostics"))
867 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
868 &res->num_diagnostics,
870 else if (match_element(ptr, "facet_analysis"))
871 yaz_sru_proxy_decode_facets(o, ptr, &res->facetList);
874 else if (!xmlStrcmp(method->name, BAD_CAST "explainRequest"))
876 Z_SRW_explainRequest *req;
877 xmlNodePtr ptr = method->children;
879 (*p)->which = Z_SRW_explain_request;
880 req = (*p)->u.explain_request = (Z_SRW_explainRequest *)
881 odr_malloc(o, sizeof(*req));
882 req->recordPacking = 0;
885 for (; ptr; ptr = ptr->next)
887 if (match_xsd_string(ptr, "version", o,
890 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
891 &(*p)->extraResponseData_buf,
892 &(*p)->extraResponseData_len))
894 else if (match_xsd_string(ptr, "stylesheet", o,
897 else if (match_xsd_string(ptr, "recordPacking", o,
898 &req->recordPacking))
901 match_xsd_string(ptr, "database", o, &req->database);
904 else if (!xmlStrcmp(method->name, BAD_CAST "explainResponse"))
906 Z_SRW_explainResponse *res;
907 xmlNodePtr ptr = method->children;
909 (*p)->which = Z_SRW_explain_response;
910 res = (*p)->u.explain_response = (Z_SRW_explainResponse*)
911 odr_malloc(o, sizeof(*res));
912 res->diagnostics = 0;
913 res->num_diagnostics = 0;
914 res->record.recordSchema = 0;
915 res->record.recordData_buf = 0;
916 res->record.recordData_len = 0;
917 res->record.recordPosition = 0;
919 for (; ptr; ptr = ptr->next)
921 if (match_xsd_string(ptr, "version", o,
924 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
925 &(*p)->extraResponseData_buf,
926 &(*p)->extraResponseData_len))
928 else if (match_element(ptr, "record"))
929 yaz_srw_record(o, ptr, &res->record, &res->extra_record,
931 else if (match_element(ptr, "diagnostics"))
932 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
933 &res->num_diagnostics,
938 else if (!xmlStrcmp(method->name, BAD_CAST "scanRequest"))
940 Z_SRW_scanRequest *req;
941 xmlNodePtr ptr = method->children;
943 (*p)->which = Z_SRW_scan_request;
944 req = (*p)->u.scan_request = (Z_SRW_scanRequest *)
945 odr_malloc(o, sizeof(*req));
946 req->query_type = Z_SRW_query_type_cql;
947 req->scanClause.cql = 0;
948 req->responsePosition = 0;
949 req->maximumTerms = 0;
953 for (; ptr; ptr = ptr->next)
955 if (match_xsd_string(ptr, "version", o,
958 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
959 &(*p)->extraResponseData_buf,
960 &(*p)->extraResponseData_len))
962 else if (match_xsd_string(ptr, "scanClause", o,
963 &req->scanClause.cql))
965 else if (match_xsd_string(ptr, "pScanClause", o,
966 &req->scanClause.pqf))
968 req->query_type = Z_SRW_query_type_pqf;
970 else if (match_xsd_integer(ptr, "responsePosition", o,
971 &req->responsePosition))
973 else if (match_xsd_integer(ptr, "maximumTerms", o,
976 else if (match_xsd_string(ptr, "stylesheet", o,
980 match_xsd_string(ptr, "database", o, &req->database);
983 else if (!xmlStrcmp(method->name, BAD_CAST "scanResponse"))
985 Z_SRW_scanResponse *res;
986 xmlNodePtr ptr = method->children;
988 (*p)->which = Z_SRW_scan_response;
989 res = (*p)->u.scan_response = (Z_SRW_scanResponse *)
990 odr_malloc(o, sizeof(*res));
993 res->diagnostics = 0;
994 res->num_diagnostics = 0;
996 for (; ptr; ptr = ptr->next)
998 if (match_xsd_string(ptr, "version", o,
1001 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
1002 &(*p)->extraResponseData_buf,
1003 &(*p)->extraResponseData_len))
1005 else if (match_element(ptr, "terms"))
1006 yaz_srw_terms(o, ptr, &res->terms,
1007 &res->num_terms, client_data,
1009 else if (match_element(ptr, "diagnostics"))
1010 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1011 &res->num_diagnostics,
1020 neg_version = yaz_negotiate_sru_version((*p)->srw_version);
1022 (*p)->srw_version = neg_version;
1024 else if (o->direction == ODR_ENCODE)
1026 Z_SRW_PDU **p = handler_data;
1030 if ((*p)->which == Z_SRW_searchRetrieve_request)
1032 Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
1033 ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveRequest", 0);
1034 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1035 xmlSetNs(ptr, ns_srw);
1037 if ((*p)->srw_version)
1038 add_xsd_string(ptr, "version", (*p)->srw_version);
1039 switch(req->query_type)
1041 case Z_SRW_query_type_cql:
1042 add_xsd_string(ptr, "query", req->query.cql);
1044 case Z_SRW_query_type_xcql:
1045 add_xsd_string(ptr, "xQuery", req->query.xcql);
1047 case Z_SRW_query_type_pqf:
1048 add_xsd_string(ptr, "pQuery", req->query.pqf);
1051 add_xsd_integer(ptr, "startRecord", req->startRecord);
1052 add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
1053 add_xsd_string(ptr, "recordPacking", req->recordPacking);
1054 add_xsd_string(ptr, "recordSchema", req->recordSchema);
1055 add_xsd_string(ptr, "recordXPath", req->recordXPath);
1056 add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
1057 switch(req->sort_type)
1059 case Z_SRW_sort_type_none:
1061 case Z_SRW_sort_type_sort:
1062 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
1064 case Z_SRW_sort_type_xSort:
1065 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
1068 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1069 add_xsd_string(ptr, "database", req->database);
1071 else if ((*p)->which == Z_SRW_searchRetrieve_response)
1073 Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
1074 ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveResponse", 0);
1075 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1076 xmlSetNs(ptr, ns_srw);
1078 if ((*p)->srw_version)
1079 add_xsd_string(ptr, "version", (*p)->srw_version);
1080 add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
1081 add_xsd_string(ptr, "resultSetId", res->resultSetId);
1082 add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
1083 if (res->num_records)
1085 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "records", 0);
1086 yaz_srw_records(o, rptr, &res->records, &res->extra_records,
1090 add_xsd_integer(ptr, "nextRecordPosition",
1091 res->nextRecordPosition);
1092 if (res->num_diagnostics)
1094 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1096 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1097 &res->num_diagnostics, client_data, ns);
1100 else if ((*p)->which == Z_SRW_explain_request)
1102 Z_SRW_explainRequest *req = (*p)->u.explain_request;
1103 ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest", 0);
1104 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1105 xmlSetNs(ptr, ns_srw);
1107 add_xsd_string(ptr, "version", (*p)->srw_version);
1108 add_xsd_string(ptr, "recordPacking", req->recordPacking);
1109 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1110 add_xsd_string(ptr, "database", req->database);
1112 else if ((*p)->which == Z_SRW_explain_response)
1114 Z_SRW_explainResponse *res = (*p)->u.explain_response;
1115 ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse", 0);
1116 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1117 xmlSetNs(ptr, ns_srw);
1119 add_xsd_string(ptr, "version", (*p)->srw_version);
1122 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1123 yaz_srw_record(o, ptr1, &res->record, &res->extra_record,
1126 if (res->num_diagnostics)
1128 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1130 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1131 &res->num_diagnostics, client_data, ns);
1134 else if ((*p)->which == Z_SRW_scan_request)
1136 Z_SRW_scanRequest *req = (*p)->u.scan_request;
1137 ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
1138 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1139 xmlSetNs(ptr, ns_srw);
1141 add_xsd_string(ptr, "version", (*p)->srw_version);
1142 switch(req->query_type)
1144 case Z_SRW_query_type_cql:
1145 add_xsd_string(ptr, "scanClause", req->scanClause.cql);
1147 case Z_SRW_query_type_pqf:
1148 add_xsd_string(ptr, "pScanClause", req->scanClause.pqf);
1151 add_xsd_integer(ptr, "responsePosition", req->responsePosition);
1152 add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
1153 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1154 add_xsd_string(ptr, "database", req->database);
1156 else if ((*p)->which == Z_SRW_scan_response)
1158 Z_SRW_scanResponse *res = (*p)->u.scan_response;
1159 ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
1160 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1161 xmlSetNs(ptr, ns_srw);
1163 add_xsd_string(ptr, "version", (*p)->srw_version);
1167 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "terms", 0);
1168 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
1171 if (res->num_diagnostics)
1173 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1175 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1176 &res->num_diagnostics, client_data, ns);
1181 if (ptr && (*p)->extraResponseData_len)
1182 add_XML_n(ptr, "extraResponseData",
1183 (*p)->extraResponseData_buf,
1184 (*p)->extraResponseData_len, ns_srw);
1191 int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
1192 void *client_data, const char *ns_ucp_str)
1194 xmlNodePtr pptr = (xmlNodePtr) vptr;
1195 const char *ns_srw_str = YAZ_XMLNS_SRU_v1_1;
1196 if (o->direction == ODR_DECODE)
1198 Z_SRW_PDU **p = handler_data;
1199 xmlNodePtr method = pptr->children;
1201 while (method && method->type == XML_TEXT_NODE)
1202 method = method->next;
1206 if (method->type != XML_ELEMENT_NODE)
1209 *p = yaz_srw_get_core_v_1_1(o);
1211 if (!xmlStrcmp(method->name, BAD_CAST "updateRequest"))
1213 xmlNodePtr ptr = method->children;
1214 Z_SRW_updateRequest *req;
1217 (*p)->which = Z_SRW_update_request;
1218 req = (*p)->u.update_request = (Z_SRW_updateRequest *)
1219 odr_malloc(o, sizeof(*req));
1223 req->recordVersions = 0;
1224 req->num_recordVersions = 0;
1226 req->extra_record = 0;
1227 req->extraRequestData_buf = 0;
1228 req->extraRequestData_len = 0;
1229 req->stylesheet = 0;
1231 for (; ptr; ptr = ptr->next)
1233 if (match_xsd_string(ptr, "version", o,
1234 &(*p)->srw_version))
1236 else if (match_xsd_string(ptr, "action", o,
1239 if ( !strcmp(oper, "info:srw/action/1/delete"))
1240 req->operation = "delete";
1241 else if (!strcmp(oper,"info:srw/action/1/replace" ))
1242 req->operation = "replace";
1243 else if ( !strcmp( oper, "info:srw/action/1/create"))
1244 req->operation = "insert";
1247 else if (match_xsd_string(ptr, "recordIdentifier", o,
1250 else if (match_element(ptr, "recordVersions" ) )
1251 yaz_srw_versions( o, ptr, &req->recordVersions,
1252 &req->num_recordVersions, client_data,
1254 else if (match_element(ptr, "record"))
1256 req->record = yaz_srw_get_record(o);
1257 yaz_srw_record(o, ptr, req->record, &req->extra_record,
1258 client_data, ns_ucp_str);
1260 else if (match_xsd_string(ptr, "stylesheet", o,
1264 match_xsd_string(ptr, "database", o, &req->database);
1267 else if (!xmlStrcmp(method->name, BAD_CAST "updateResponse"))
1269 xmlNodePtr ptr = method->children;
1270 Z_SRW_updateResponse *res;
1272 (*p)->which = Z_SRW_update_response;
1273 res = (*p)->u.update_response = (Z_SRW_updateResponse *)
1274 odr_malloc(o, sizeof(*res));
1276 res->operationStatus = 0;
1278 res->recordVersions = 0;
1279 res->num_recordVersions = 0;
1280 res->diagnostics = 0;
1281 res->num_diagnostics = 0;
1283 res->extra_record = 0;
1284 res->extraResponseData_buf = 0;
1285 res->extraResponseData_len = 0;
1287 for (; ptr; ptr = ptr->next)
1289 if (match_xsd_string(ptr, "version", o,
1290 &(*p)->srw_version))
1292 else if (match_xsd_string(ptr, "operationStatus", o,
1293 &res->operationStatus ))
1295 else if (match_xsd_string(ptr, "recordIdentifier", o,
1298 else if (match_element(ptr, "recordVersions" ))
1299 yaz_srw_versions(o, ptr, &res->recordVersions,
1300 &res->num_recordVersions,
1301 client_data, ns_ucp_str);
1302 else if (match_element(ptr, "record"))
1304 res->record = yaz_srw_get_record(o);
1305 yaz_srw_record(o, ptr, res->record, &res->extra_record,
1306 client_data, ns_ucp_str);
1308 else if (match_element(ptr, "diagnostics"))
1309 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1310 &res->num_diagnostics,
1311 client_data, ns_ucp_str);
1314 else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateRequest"))
1317 else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateResponse"))
1326 else if (o->direction == ODR_ENCODE)
1328 Z_SRW_PDU **p = handler_data;
1329 xmlNsPtr ns_ucp, ns_srw;
1332 if ((*p)->which == Z_SRW_update_request)
1334 Z_SRW_updateRequest *req = (*p)->u.update_request;
1335 xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "updateRequest", 0);
1336 ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1337 xmlSetNs(ptr, ns_ucp);
1338 ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1340 add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1341 add_xsd_string(ptr, "action", req->operation);
1342 add_xsd_string(ptr, "recordIdentifier", req->recordId );
1343 if (req->recordVersions)
1344 yaz_srw_versions( o, ptr, &req->recordVersions,
1345 &req->num_recordVersions,
1346 client_data, ns_ucp_str);
1347 if (req->record && req->record->recordData_len)
1349 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1350 xmlSetNs(rptr, ns_srw);
1351 yaz_srw_record(o, rptr, req->record, &req->extra_record,
1352 client_data, ns_ucp_str);
1354 if (req->extraRequestData_len)
1356 add_XML_n(ptr, "extraRequestData",
1357 req->extraRequestData_buf,
1358 req->extraRequestData_len, ns_srw);
1360 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1361 add_xsd_string(ptr, "database", req->database);
1363 else if ((*p)->which == Z_SRW_update_response)
1365 Z_SRW_updateResponse *res = (*p)->u.update_response;
1366 xmlNodePtr ptr = xmlNewChild(pptr, 0, (xmlChar *)
1367 "updateResponse", 0);
1368 ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1369 xmlSetNs(ptr, ns_ucp);
1370 ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1372 add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1373 add_xsd_string(ptr, "operationStatus", res->operationStatus );
1374 add_xsd_string(ptr, "recordIdentifier", res->recordId );
1375 if (res->recordVersions)
1376 yaz_srw_versions(o, ptr, &res->recordVersions,
1377 &res->num_recordVersions,
1378 client_data, ns_ucp_str);
1379 if (res->record && res->record->recordData_len)
1381 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1382 xmlSetNs(rptr, ns_srw);
1383 yaz_srw_record(o, rptr, res->record, &res->extra_record,
1384 client_data, ns_ucp_str);
1386 if (res->num_diagnostics)
1389 xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1,
1392 xmlNodePtr rptr = xmlNewChild(ptr, ns_diag, BAD_CAST "diagnostics", 0);
1393 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1394 &res->num_diagnostics, client_data,
1397 if (res->extraResponseData_len)
1398 add_XML_n(ptr, "extraResponseData",
1399 res->extraResponseData_buf,
1400 res->extraResponseData_len, ns_srw);
1415 * c-file-style: "Stroustrup"
1416 * indent-tabs-mode: nil
1418 * vim: shiftwidth=4 tabstop=8 expandtab