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_n(xmlNodePtr ptr, const char *elem, ODR o,
137 char **val, int *len)
141 if (!match_element(ptr, elem))
144 buf = xmlBufferCreate();
146 /* Copy each element nodes at top.
147 In most cases there is only one root node.. At least one server
148 http://www.theeuropeanlibrary.org/sru/sru.pl
149 has multiple root nodes in recordData.
151 for (ptr = ptr->children; ptr; ptr = ptr->next)
153 if (ptr->type == XML_ELEMENT_NODE)
155 /* copy node to get NS right (bug #740). */
156 xmlNode *tmp = xmlCopyNode(ptr, 1);
158 xmlNodeDump(buf, tmp->doc, tmp, 0, 0);
164 *val = (char *) odr_malloc(o, buf->use+1);
165 memcpy (*val, buf->content, buf->use);
166 (*val)[buf->use] = '\0';
176 static int match_xsd_integer(xmlNodePtr ptr, const char *elem, ODR o,
180 struct _xmlAttr *attr;
182 if (!match_element(ptr, elem))
185 for (attr = ptr->properties; attr; attr = attr->next)
186 if (!strcmp(attr->name, "type") &&
187 attr->children && attr->children->type == XML_TEXT_NODE)
189 const char *t = strchr(attr->children->content, ':');
193 t = attr->children->content;
194 if (!strcmp(t, "integer"))
201 if (!ptr || ptr->type != XML_TEXT_NODE)
203 *val = odr_intdup(o, odr_atoi((const char *) ptr->content));
207 char *yaz_negotiate_sru_version(char *input_ver)
212 if (!strcmp(input_ver, "1.1"))
214 return "1.2"; /* our latest supported version */
217 static int yaz_srw_record(ODR o, xmlNodePtr pptr, Z_SRW_record *rec,
218 Z_SRW_extra_record **extra,
219 void *client_data, const char *ns)
221 if (o->direction == ODR_DECODE)
223 Z_SRW_extra_record ex;
226 int pack = Z_SRW_recordPacking_string;
228 xmlNodePtr data_ptr = 0;
229 rec->recordSchema = 0;
230 rec->recordData_buf = 0;
231 rec->recordData_len = 0;
232 rec->recordPosition = 0;
235 ex.extraRecordData_buf = 0;
236 ex.extraRecordData_len = 0;
237 ex.recordIdentifier = 0;
239 for (ptr = pptr->children; ptr; ptr = ptr->next)
242 if (match_xsd_string(ptr, "recordSchema", o,
245 else if (match_xsd_string(ptr, "recordPacking", o, &spack))
248 pack = yaz_srw_str_to_pack(spack);
250 else if (match_xsd_integer(ptr, "recordPosition", o,
251 &rec->recordPosition))
253 else if (match_element(ptr, "recordData"))
255 /* save position of Data until after the loop
256 then we will know the packing (hopefully), and
257 unpacking is done once
261 else if (match_xsd_XML_n(ptr, "extraRecordData", o,
262 &ex.extraRecordData_buf,
263 &ex.extraRecordData_len) )
266 match_xsd_string(ptr, "recordIdentifier", o,
267 &ex.recordIdentifier);
273 case Z_SRW_recordPacking_XML:
274 match_xsd_XML_n(data_ptr, "recordData", o,
275 &rec->recordData_buf, &rec->recordData_len);
277 case Z_SRW_recordPacking_URL:
278 /* just store it as a string.
279 leave it to the backend to collect the document */
280 match_xsd_string_n(data_ptr, "recordData", o,
281 &rec->recordData_buf, &rec->recordData_len);
283 case Z_SRW_recordPacking_string:
284 match_xsd_string_n(data_ptr, "recordData", o,
285 &rec->recordData_buf, &rec->recordData_len);
289 rec->recordPacking = pack;
290 if (ex.extraRecordData_buf || ex.recordIdentifier)
292 *extra = (Z_SRW_extra_record *)
293 odr_malloc(o, sizeof(Z_SRW_extra_record));
294 memcpy(*extra, &ex, sizeof(Z_SRW_extra_record));
297 else if (o->direction == ODR_ENCODE)
299 xmlNodePtr ptr = pptr;
300 int pack = rec->recordPacking;
301 const char *spack = yaz_srw_pack_to_str(pack);
303 add_xsd_string(ptr, "recordSchema", rec->recordSchema);
305 add_xsd_string(ptr, "recordPacking", spack);
308 case Z_SRW_recordPacking_string:
309 add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
310 rec->recordData_len);
312 case Z_SRW_recordPacking_XML:
313 add_XML_n(ptr, "recordData", rec->recordData_buf,
314 rec->recordData_len, 0);
316 case Z_SRW_recordPacking_URL:
317 add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
318 rec->recordData_len);
321 if (rec->recordPosition)
322 add_xsd_integer(ptr, "recordPosition", rec->recordPosition );
325 if ((*extra)->recordIdentifier)
326 add_xsd_string(ptr, "recordIdentifier",
327 (*extra)->recordIdentifier);
328 if ((*extra)->extraRecordData_buf)
329 add_XML_n(ptr, "extraRecordData",
330 (*extra)->extraRecordData_buf,
331 (*extra)->extraRecordData_len, 0);
337 static int yaz_srw_records(ODR o, xmlNodePtr pptr, Z_SRW_record **recs,
338 Z_SRW_extra_record ***extra,
339 int *num, void *client_data, const char *ns)
341 if (o->direction == ODR_DECODE)
346 for (ptr = pptr->children; ptr; ptr = ptr->next)
348 if (ptr->type == XML_ELEMENT_NODE &&
349 !xmlStrcmp(ptr->name, BAD_CAST "record"))
354 *recs = (Z_SRW_record *) odr_malloc(o, *num * sizeof(**recs));
355 *extra = (Z_SRW_extra_record **) odr_malloc(o, *num * sizeof(**extra));
356 for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
358 if (ptr->type == XML_ELEMENT_NODE &&
359 !xmlStrcmp(ptr->name, BAD_CAST "record"))
361 yaz_srw_record(o, ptr, *recs + i, *extra + i, client_data, ns);
366 else if (o->direction == ODR_ENCODE)
369 for (i = 0; i < *num; i++)
371 xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "record",
373 yaz_srw_record(o, rptr, (*recs)+i, (*extra ? *extra + i : 0),
380 static int yaz_srw_version(ODR o, xmlNodePtr pptr, Z_SRW_recordVersion *rec,
381 void *client_data, const char *ns)
383 if (o->direction == ODR_DECODE)
386 rec->versionType = 0;
387 rec->versionValue = 0;
388 for (ptr = pptr->children; ptr; ptr = ptr->next)
391 if (match_xsd_string(ptr, "versionType", o,
395 match_xsd_string(ptr, "versionValue", o, &rec->versionValue);
398 else if (o->direction == ODR_ENCODE)
400 xmlNodePtr ptr = pptr;
401 add_xsd_string(ptr, "versionType", rec->versionType);
402 add_xsd_string(ptr, "versionValue", rec->versionValue);
407 static int yaz_srw_versions(ODR o, xmlNodePtr pptr,
408 Z_SRW_recordVersion **vers,
409 int *num, void *client_data, const char *ns)
411 if (o->direction == ODR_DECODE)
416 for (ptr = pptr->children; ptr; ptr = ptr->next)
418 if (ptr->type == XML_ELEMENT_NODE &&
419 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
424 *vers = (Z_SRW_recordVersion *) odr_malloc(o, *num * sizeof(**vers));
425 for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
427 if (ptr->type == XML_ELEMENT_NODE &&
428 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
430 yaz_srw_version(o, ptr, *vers + i, client_data, ns);
435 else if (o->direction == ODR_ENCODE)
438 for (i = 0; i < *num; i++)
440 xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "version",
442 yaz_srw_version(o, rptr, (*vers)+i, client_data, ns);
448 Z_FacetTerm *yaz_sru_proxy_get_facet_term_count(ODR odr, xmlNodePtr node)
452 WRBUF wrbuf = wrbuf_alloc();
453 const char *freq_string = yaz_element_attribute_value_get(
454 node, "facetvalue", "est_representation");
457 freq = atoi(freq_string);
461 for (child = node->children; child ; child = child->next)
463 if (child->type == XML_TEXT_NODE)
464 wrbuf_puts(wrbuf, (const char *) child->content);
466 term = term_create(odr, wrbuf_cstr(wrbuf));
467 yaz_log(YLOG_DEBUG, "sru-proxy facet: %s %d", wrbuf_cstr(wrbuf), freq);
468 wrbuf_destroy(wrbuf);
469 return facet_term_create(odr, term, freq);
472 static Z_FacetField *yaz_sru_proxy_decode_facet_field(ODR odr, xmlNodePtr ptr)
474 Z_AttributeList *list;
475 Z_FacetField *facet_field;
480 const char* name = yaz_element_attribute_value_get(ptr, "facet", "code");
481 yaz_log(YLOG_DEBUG, "sru-proxy facet type: %s", name);
483 list = yaz_use_attribute_create(odr, name);
484 for (node = ptr->children; node; node = node->next) {
485 if (match_element(node, "facetvalue"))
488 facet_field = facet_field_create(odr, list, num_terms);
490 for (node = ptr->children; node; node = node->next)
492 if (match_element(node, "facetvalue"))
494 facet_field_term_set(odr, facet_field,
495 yaz_sru_proxy_get_facet_term_count(odr, node),
503 static int yaz_sru_proxy_decode_facets(ODR o, xmlNodePtr root,
504 Z_FacetList **facetList)
508 for (ptr = root->children; ptr; ptr = ptr->next)
510 if (match_element(ptr, "facets"))
513 Z_FacetList *facet_list;
515 for (node = ptr->children; node; node= node->next)
517 if (node->type == XML_ELEMENT_NODE)
520 facet_list = facet_list_create(o, num_facets);
522 for (node = ptr->children; node; node= node->next)
524 if (match_element(node, "facet")) {
525 facet_list_field_set(o, facet_list, yaz_sru_proxy_decode_facet_field(o, node), num_facets);
529 *facetList = facet_list;
538 static int yaz_srw_decode_diagnostics(ODR o, xmlNodePtr pptr,
539 Z_SRW_diagnostic **recs, int *num,
540 void *client_data, const char *ns)
545 for (ptr = pptr; ptr; ptr = ptr->next)
547 if (ptr->type == XML_ELEMENT_NODE &&
548 !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
553 *recs = (Z_SRW_diagnostic *) odr_malloc(o, *num * sizeof(**recs));
554 for (i = 0; i < *num; i++)
557 (*recs)[i].details = 0;
558 (*recs)[i].message = 0;
560 for (i = 0, ptr = pptr; ptr; ptr = ptr->next)
562 if (ptr->type == XML_ELEMENT_NODE &&
563 !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
567 (*recs)[i].details = 0;
568 (*recs)[i].message = 0;
569 for (rptr = ptr->children; rptr; rptr = rptr->next)
571 if (match_xsd_string(rptr, "uri", o,
574 else if (match_xsd_string(rptr, "details", o,
575 &(*recs)[i].details))
578 match_xsd_string(rptr, "message", o, &(*recs)[i].message);
586 int sru_decode_surrogate_diagnostics(const char *buf, size_t len,
587 Z_SRW_diagnostic **diag,
591 xmlDocPtr doc = xmlParseMemory(buf, len);
594 xmlNodePtr ptr = xmlDocGetRootElement(doc);
595 while (ptr && ptr->type != XML_ELEMENT_NODE)
598 && !xmlStrcmp(ptr->ns->href,
599 BAD_CAST "http://www.loc.gov/zing/srw/diagnostic/"))
601 ret = yaz_srw_decode_diagnostics(odr, ptr, diag, num, 0, 0);
608 static int yaz_srw_diagnostics(ODR o, xmlNodePtr pptr, Z_SRW_diagnostic **recs,
609 int *num, void *client_data, const char *ns)
611 if (o->direction == ODR_DECODE)
613 return yaz_srw_decode_diagnostics(o, pptr->children, recs, num, client_data, ns);
615 else if (o->direction == ODR_ENCODE)
619 xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1, BAD_CAST "diag" );
620 for (i = 0; i < *num; i++)
622 const char *std_diag = "info:srw/diagnostic/1/";
623 const char *ucp_diag = "info:srw/diagnostic/12/";
624 xmlNodePtr rptr = xmlNewChild(pptr, ns_diag,
625 BAD_CAST "diagnostic", 0);
626 add_xsd_string(rptr, "uri", (*recs)[i].uri);
627 if ((*recs)[i].message)
628 add_xsd_string(rptr, "message", (*recs)[i].message);
629 else if ((*recs)[i].uri )
631 if (!strncmp((*recs)[i].uri, std_diag, strlen(std_diag)))
633 int no = atoi((*recs)[i].uri + strlen(std_diag));
634 const char *message = yaz_diag_srw_str(no);
636 add_xsd_string(rptr, "message", message);
638 else if (!strncmp((*recs)[i].uri, ucp_diag, strlen(ucp_diag)))
640 int no = atoi((*recs)[i].uri + strlen(ucp_diag));
641 const char *message = yaz_diag_sru_update_str(no);
643 add_xsd_string(rptr, "message", message);
646 add_xsd_string(rptr, "details", (*recs)[i].details);
652 static int yaz_srw_term(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm *term,
653 void *client_data, const char *ns)
655 if (o->direction == ODR_DECODE)
659 term->numberOfRecords = 0;
660 term->displayTerm = 0;
661 term->whereInList = 0;
662 for (ptr = pptr->children; ptr; ptr = ptr->next)
664 if (match_xsd_string(ptr, "value", o, &term->value))
666 else if (match_xsd_integer(ptr, "numberOfRecords", o,
667 &term->numberOfRecords))
669 else if (match_xsd_string(ptr, "displayTerm", o,
673 match_xsd_string(ptr, "whereInList", o, &term->whereInList);
676 else if (o->direction == ODR_ENCODE)
678 xmlNodePtr ptr = pptr;
679 add_xsd_string(ptr, "value", term->value);
680 add_xsd_integer(ptr, "numberOfRecords", term->numberOfRecords);
681 add_xsd_string(ptr, "displayTerm", term->displayTerm);
682 add_xsd_string(ptr, "whereInList", term->whereInList);
687 static int yaz_srw_terms(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm **terms,
688 int *num, void *client_data, const char *ns)
690 if (o->direction == ODR_DECODE)
695 for (ptr = pptr->children; ptr; ptr = ptr->next)
697 if (ptr->type == XML_ELEMENT_NODE &&
698 !xmlStrcmp(ptr->name, BAD_CAST "term"))
703 *terms = (Z_SRW_scanTerm *) odr_malloc(o, *num * sizeof(**terms));
704 for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
706 if (ptr->type == XML_ELEMENT_NODE &&
707 !xmlStrcmp(ptr->name, BAD_CAST "term"))
708 yaz_srw_term(o, ptr, (*terms)+i, client_data, ns);
711 else if (o->direction == ODR_ENCODE)
714 for (i = 0; i < *num; i++)
716 xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "term", 0);
717 yaz_srw_term(o, rptr, (*terms)+i, client_data, ns);
723 int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
724 void *client_data, const char *ns)
726 xmlNodePtr pptr = (xmlNodePtr) vptr;
727 if (o->direction == ODR_DECODE)
729 Z_SRW_PDU **p = handler_data;
730 xmlNodePtr method = pptr->children;
733 while (method && method->type == XML_TEXT_NODE)
734 method = method->next;
738 if (method->type != XML_ELEMENT_NODE)
741 *p = yaz_srw_get_core_v_1_1(o);
743 if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveRequest"))
745 xmlNodePtr ptr = method->children;
746 Z_SRW_searchRetrieveRequest *req;
748 (*p)->which = Z_SRW_searchRetrieve_request;
749 req = (*p)->u.request = (Z_SRW_searchRetrieveRequest *)
750 odr_malloc(o, sizeof(*req));
751 req->query_type = Z_SRW_query_type_cql;
753 req->sort_type = Z_SRW_sort_type_none;
755 req->startRecord = 0;
756 req->maximumRecords = 0;
757 req->recordSchema = 0;
758 req->recordPacking = 0;
759 req->recordXPath = 0;
760 req->resultSetTTL = 0;
764 for (; ptr; ptr = ptr->next)
766 if (match_xsd_string(ptr, "version", o,
769 else if (match_xsd_string(ptr, "query", o,
771 req->query_type = Z_SRW_query_type_cql;
772 else if (match_xsd_string(ptr, "pQuery", o,
774 req->query_type = Z_SRW_query_type_pqf;
775 else if (match_xsd_string(ptr, "xQuery", o,
777 req->query_type = Z_SRW_query_type_xcql;
778 else if (match_xsd_integer(ptr, "startRecord", o,
781 else if (match_xsd_integer(ptr, "maximumRecords", o,
782 &req->maximumRecords))
784 else if (match_xsd_string(ptr, "recordPacking", o,
785 &req->recordPacking))
787 else if (match_xsd_string(ptr, "recordSchema", o,
790 else if (match_xsd_string(ptr, "recordXPath", o,
793 else if (match_xsd_integer(ptr, "resultSetTTL", o,
796 else if (match_xsd_string(ptr, "sortKeys", o,
797 &req->sort.sortKeys))
798 req->sort_type = Z_SRW_sort_type_sort;
799 else if (match_xsd_string(ptr, "stylesheet", o,
803 match_xsd_string(ptr, "database", o, &req->database);
805 if (!req->query.cql && !req->query.pqf && !req->query.xcql)
807 /* should put proper diagnostic here */
811 else if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveResponse"))
813 xmlNodePtr ptr = method->children;
814 Z_SRW_searchRetrieveResponse *res;
816 (*p)->which = Z_SRW_searchRetrieve_response;
817 res = (*p)->u.response = (Z_SRW_searchRetrieveResponse *)
818 odr_malloc(o, sizeof(*res));
820 res->numberOfRecords = 0;
821 res->resultSetId = 0;
822 res->resultSetIdleTime = 0;
824 res->num_records = 0;
825 res->diagnostics = 0;
826 res->num_diagnostics = 0;
827 res->nextRecordPosition = 0;
830 for (; ptr; ptr = ptr->next)
832 if (match_xsd_string(ptr, "version", o,
835 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
836 &(*p)->extraResponseData_buf,
837 &(*p)->extraResponseData_len))
839 else if (match_xsd_integer(ptr, "numberOfRecords", o,
840 &res->numberOfRecords))
842 else if (match_xsd_string(ptr, "resultSetId", o,
845 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
846 &res->resultSetIdleTime))
848 else if (match_element(ptr, "records"))
849 yaz_srw_records(o, ptr, &res->records,
851 &res->num_records, client_data, ns);
852 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
853 &res->nextRecordPosition))
855 else if (match_element(ptr, "diagnostics"))
856 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
857 &res->num_diagnostics,
859 else if (match_element(ptr, "facet_analysis"))
860 yaz_sru_proxy_decode_facets(o, ptr, &res->facetList);
863 else if (!xmlStrcmp(method->name, BAD_CAST "explainRequest"))
865 Z_SRW_explainRequest *req;
866 xmlNodePtr ptr = method->children;
868 (*p)->which = Z_SRW_explain_request;
869 req = (*p)->u.explain_request = (Z_SRW_explainRequest *)
870 odr_malloc(o, sizeof(*req));
871 req->recordPacking = 0;
874 for (; ptr; ptr = ptr->next)
876 if (match_xsd_string(ptr, "version", o,
879 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
880 &(*p)->extraResponseData_buf,
881 &(*p)->extraResponseData_len))
883 else if (match_xsd_string(ptr, "stylesheet", o,
886 else if (match_xsd_string(ptr, "recordPacking", o,
887 &req->recordPacking))
890 match_xsd_string(ptr, "database", o, &req->database);
893 else if (!xmlStrcmp(method->name, BAD_CAST "explainResponse"))
895 Z_SRW_explainResponse *res;
896 xmlNodePtr ptr = method->children;
898 (*p)->which = Z_SRW_explain_response;
899 res = (*p)->u.explain_response = (Z_SRW_explainResponse*)
900 odr_malloc(o, sizeof(*res));
901 res->diagnostics = 0;
902 res->num_diagnostics = 0;
903 res->record.recordSchema = 0;
904 res->record.recordData_buf = 0;
905 res->record.recordData_len = 0;
906 res->record.recordPosition = 0;
908 for (; ptr; ptr = ptr->next)
910 if (match_xsd_string(ptr, "version", o,
913 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
914 &(*p)->extraResponseData_buf,
915 &(*p)->extraResponseData_len))
917 else if (match_element(ptr, "record"))
918 yaz_srw_record(o, ptr, &res->record, &res->extra_record,
920 else if (match_element(ptr, "diagnostics"))
921 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
922 &res->num_diagnostics,
927 else if (!xmlStrcmp(method->name, BAD_CAST "scanRequest"))
929 Z_SRW_scanRequest *req;
930 xmlNodePtr ptr = method->children;
932 (*p)->which = Z_SRW_scan_request;
933 req = (*p)->u.scan_request = (Z_SRW_scanRequest *)
934 odr_malloc(o, sizeof(*req));
935 req->query_type = Z_SRW_query_type_cql;
936 req->scanClause.cql = 0;
937 req->responsePosition = 0;
938 req->maximumTerms = 0;
942 for (; ptr; ptr = ptr->next)
944 if (match_xsd_string(ptr, "version", o,
947 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
948 &(*p)->extraResponseData_buf,
949 &(*p)->extraResponseData_len))
951 else if (match_xsd_string(ptr, "scanClause", o,
952 &req->scanClause.cql))
954 else if (match_xsd_string(ptr, "pScanClause", o,
955 &req->scanClause.pqf))
957 req->query_type = Z_SRW_query_type_pqf;
959 else if (match_xsd_integer(ptr, "responsePosition", o,
960 &req->responsePosition))
962 else if (match_xsd_integer(ptr, "maximumTerms", o,
965 else if (match_xsd_string(ptr, "stylesheet", o,
969 match_xsd_string(ptr, "database", o, &req->database);
972 else if (!xmlStrcmp(method->name, BAD_CAST "scanResponse"))
974 Z_SRW_scanResponse *res;
975 xmlNodePtr ptr = method->children;
977 (*p)->which = Z_SRW_scan_response;
978 res = (*p)->u.scan_response = (Z_SRW_scanResponse *)
979 odr_malloc(o, sizeof(*res));
982 res->diagnostics = 0;
983 res->num_diagnostics = 0;
985 for (; ptr; ptr = ptr->next)
987 if (match_xsd_string(ptr, "version", o,
990 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
991 &(*p)->extraResponseData_buf,
992 &(*p)->extraResponseData_len))
994 else if (match_element(ptr, "terms"))
995 yaz_srw_terms(o, ptr, &res->terms,
996 &res->num_terms, client_data,
998 else if (match_element(ptr, "diagnostics"))
999 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1000 &res->num_diagnostics,
1009 neg_version = yaz_negotiate_sru_version((*p)->srw_version);
1011 (*p)->srw_version = neg_version;
1013 else if (o->direction == ODR_ENCODE)
1015 Z_SRW_PDU **p = handler_data;
1019 if ((*p)->which == Z_SRW_searchRetrieve_request)
1021 Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
1022 ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveRequest", 0);
1023 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1024 xmlSetNs(ptr, ns_srw);
1026 if ((*p)->srw_version)
1027 add_xsd_string(ptr, "version", (*p)->srw_version);
1028 switch(req->query_type)
1030 case Z_SRW_query_type_cql:
1031 add_xsd_string(ptr, "query", req->query.cql);
1033 case Z_SRW_query_type_xcql:
1034 add_xsd_string(ptr, "xQuery", req->query.xcql);
1036 case Z_SRW_query_type_pqf:
1037 add_xsd_string(ptr, "pQuery", req->query.pqf);
1040 add_xsd_integer(ptr, "startRecord", req->startRecord);
1041 add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
1042 add_xsd_string(ptr, "recordPacking", req->recordPacking);
1043 add_xsd_string(ptr, "recordSchema", req->recordSchema);
1044 add_xsd_string(ptr, "recordXPath", req->recordXPath);
1045 add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
1046 switch(req->sort_type)
1048 case Z_SRW_sort_type_none:
1050 case Z_SRW_sort_type_sort:
1051 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
1053 case Z_SRW_sort_type_xSort:
1054 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
1057 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1058 add_xsd_string(ptr, "database", req->database);
1060 else if ((*p)->which == Z_SRW_searchRetrieve_response)
1062 Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
1063 ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveResponse", 0);
1064 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1065 xmlSetNs(ptr, ns_srw);
1067 if ((*p)->srw_version)
1068 add_xsd_string(ptr, "version", (*p)->srw_version);
1069 add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
1070 add_xsd_string(ptr, "resultSetId", res->resultSetId);
1071 add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
1072 if (res->num_records)
1074 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "records", 0);
1075 yaz_srw_records(o, rptr, &res->records, &res->extra_records,
1079 add_xsd_integer(ptr, "nextRecordPosition",
1080 res->nextRecordPosition);
1081 if (res->num_diagnostics)
1083 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1085 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1086 &res->num_diagnostics, client_data, ns);
1089 else if ((*p)->which == Z_SRW_explain_request)
1091 Z_SRW_explainRequest *req = (*p)->u.explain_request;
1092 ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest", 0);
1093 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1094 xmlSetNs(ptr, ns_srw);
1096 add_xsd_string(ptr, "version", (*p)->srw_version);
1097 add_xsd_string(ptr, "recordPacking", req->recordPacking);
1098 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1099 add_xsd_string(ptr, "database", req->database);
1101 else if ((*p)->which == Z_SRW_explain_response)
1103 Z_SRW_explainResponse *res = (*p)->u.explain_response;
1104 ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse", 0);
1105 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1106 xmlSetNs(ptr, ns_srw);
1108 add_xsd_string(ptr, "version", (*p)->srw_version);
1111 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1112 yaz_srw_record(o, ptr1, &res->record, &res->extra_record,
1115 if (res->num_diagnostics)
1117 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1119 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1120 &res->num_diagnostics, client_data, ns);
1123 else if ((*p)->which == Z_SRW_scan_request)
1125 Z_SRW_scanRequest *req = (*p)->u.scan_request;
1126 ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
1127 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1128 xmlSetNs(ptr, ns_srw);
1130 add_xsd_string(ptr, "version", (*p)->srw_version);
1131 switch(req->query_type)
1133 case Z_SRW_query_type_cql:
1134 add_xsd_string(ptr, "scanClause", req->scanClause.cql);
1136 case Z_SRW_query_type_pqf:
1137 add_xsd_string(ptr, "pScanClause", req->scanClause.pqf);
1140 add_xsd_integer(ptr, "responsePosition", req->responsePosition);
1141 add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
1142 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1143 add_xsd_string(ptr, "database", req->database);
1145 else if ((*p)->which == Z_SRW_scan_response)
1147 Z_SRW_scanResponse *res = (*p)->u.scan_response;
1148 ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
1149 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1150 xmlSetNs(ptr, ns_srw);
1152 add_xsd_string(ptr, "version", (*p)->srw_version);
1156 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "terms", 0);
1157 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
1160 if (res->num_diagnostics)
1162 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1164 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1165 &res->num_diagnostics, client_data, ns);
1170 if (ptr && (*p)->extraResponseData_len)
1171 add_XML_n(ptr, "extraResponseData",
1172 (*p)->extraResponseData_buf,
1173 (*p)->extraResponseData_len, ns_srw);
1180 int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
1181 void *client_data, const char *ns_ucp_str)
1183 xmlNodePtr pptr = (xmlNodePtr) vptr;
1184 const char *ns_srw_str = YAZ_XMLNS_SRU_v1_1;
1185 if (o->direction == ODR_DECODE)
1187 Z_SRW_PDU **p = handler_data;
1188 xmlNodePtr method = pptr->children;
1190 while (method && method->type == XML_TEXT_NODE)
1191 method = method->next;
1195 if (method->type != XML_ELEMENT_NODE)
1198 *p = yaz_srw_get_core_v_1_1(o);
1200 if (!xmlStrcmp(method->name, BAD_CAST "updateRequest"))
1202 xmlNodePtr ptr = method->children;
1203 Z_SRW_updateRequest *req;
1206 (*p)->which = Z_SRW_update_request;
1207 req = (*p)->u.update_request = (Z_SRW_updateRequest *)
1208 odr_malloc(o, sizeof(*req));
1212 req->recordVersions = 0;
1213 req->num_recordVersions = 0;
1215 req->extra_record = 0;
1216 req->extraRequestData_buf = 0;
1217 req->extraRequestData_len = 0;
1218 req->stylesheet = 0;
1220 for (; ptr; ptr = ptr->next)
1222 if (match_xsd_string(ptr, "version", o,
1223 &(*p)->srw_version))
1225 else if (match_xsd_string(ptr, "action", o,
1228 if ( !strcmp(oper, "info:srw/action/1/delete"))
1229 req->operation = "delete";
1230 else if (!strcmp(oper,"info:srw/action/1/replace" ))
1231 req->operation = "replace";
1232 else if ( !strcmp( oper, "info:srw/action/1/create"))
1233 req->operation = "insert";
1236 else if (match_xsd_string(ptr, "recordIdentifier", o,
1239 else if (match_element(ptr, "recordVersions" ) )
1240 yaz_srw_versions( o, ptr, &req->recordVersions,
1241 &req->num_recordVersions, client_data,
1243 else if (match_element(ptr, "record"))
1245 req->record = yaz_srw_get_record(o);
1246 yaz_srw_record(o, ptr, req->record, &req->extra_record,
1247 client_data, ns_ucp_str);
1249 else if (match_xsd_string(ptr, "stylesheet", o,
1253 match_xsd_string(ptr, "database", o, &req->database);
1256 else if (!xmlStrcmp(method->name, BAD_CAST "updateResponse"))
1258 xmlNodePtr ptr = method->children;
1259 Z_SRW_updateResponse *res;
1261 (*p)->which = Z_SRW_update_response;
1262 res = (*p)->u.update_response = (Z_SRW_updateResponse *)
1263 odr_malloc(o, sizeof(*res));
1265 res->operationStatus = 0;
1267 res->recordVersions = 0;
1268 res->num_recordVersions = 0;
1269 res->diagnostics = 0;
1270 res->num_diagnostics = 0;
1272 res->extra_record = 0;
1273 res->extraResponseData_buf = 0;
1274 res->extraResponseData_len = 0;
1276 for (; ptr; ptr = ptr->next)
1278 if (match_xsd_string(ptr, "version", o,
1279 &(*p)->srw_version))
1281 else if (match_xsd_string(ptr, "operationStatus", o,
1282 &res->operationStatus ))
1284 else if (match_xsd_string(ptr, "recordIdentifier", o,
1287 else if (match_element(ptr, "recordVersions" ))
1288 yaz_srw_versions(o, ptr, &res->recordVersions,
1289 &res->num_recordVersions,
1290 client_data, ns_ucp_str);
1291 else if (match_element(ptr, "record"))
1293 res->record = yaz_srw_get_record(o);
1294 yaz_srw_record(o, ptr, res->record, &res->extra_record,
1295 client_data, ns_ucp_str);
1297 else if (match_element(ptr, "diagnostics"))
1298 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1299 &res->num_diagnostics,
1300 client_data, ns_ucp_str);
1303 else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateRequest"))
1306 else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateResponse"))
1315 else if (o->direction == ODR_ENCODE)
1317 Z_SRW_PDU **p = handler_data;
1318 xmlNsPtr ns_ucp, ns_srw;
1321 if ((*p)->which == Z_SRW_update_request)
1323 Z_SRW_updateRequest *req = (*p)->u.update_request;
1324 xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "updateRequest", 0);
1325 ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1326 xmlSetNs(ptr, ns_ucp);
1327 ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1329 add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1330 add_xsd_string(ptr, "action", req->operation);
1331 add_xsd_string(ptr, "recordIdentifier", req->recordId );
1332 if (req->recordVersions)
1333 yaz_srw_versions( o, ptr, &req->recordVersions,
1334 &req->num_recordVersions,
1335 client_data, ns_ucp_str);
1336 if (req->record && req->record->recordData_len)
1338 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1339 xmlSetNs(rptr, ns_srw);
1340 yaz_srw_record(o, rptr, req->record, &req->extra_record,
1341 client_data, ns_ucp_str);
1343 if (req->extraRequestData_len)
1345 add_XML_n(ptr, "extraRequestData",
1346 req->extraRequestData_buf,
1347 req->extraRequestData_len, ns_srw);
1349 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1350 add_xsd_string(ptr, "database", req->database);
1352 else if ((*p)->which == Z_SRW_update_response)
1354 Z_SRW_updateResponse *res = (*p)->u.update_response;
1355 xmlNodePtr ptr = xmlNewChild(pptr, 0, (xmlChar *)
1356 "updateResponse", 0);
1357 ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1358 xmlSetNs(ptr, ns_ucp);
1359 ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1361 add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1362 add_xsd_string(ptr, "operationStatus", res->operationStatus );
1363 add_xsd_string(ptr, "recordIdentifier", res->recordId );
1364 if (res->recordVersions)
1365 yaz_srw_versions(o, ptr, &res->recordVersions,
1366 &res->num_recordVersions,
1367 client_data, ns_ucp_str);
1368 if (res->record && res->record->recordData_len)
1370 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1371 xmlSetNs(rptr, ns_srw);
1372 yaz_srw_record(o, rptr, res->record, &res->extra_record,
1373 client_data, ns_ucp_str);
1375 if (res->num_diagnostics)
1378 xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1,
1381 xmlNodePtr rptr = xmlNewChild(ptr, ns_diag, BAD_CAST "diagnostics", 0);
1382 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1383 &res->num_diagnostics, client_data,
1386 if (res->extraResponseData_len)
1387 add_XML_n(ptr, "extraResponseData",
1388 res->extraResponseData_buf,
1389 res->extraResponseData_len, ns_srw);
1404 * c-file-style: "Stroustrup"
1405 * indent-tabs-mode: nil
1407 * vim: shiftwidth=4 tabstop=8 expandtab