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 Z_FacetTerm *facet_term;
454 const char *freq_string = yaz_element_attribute_value_get(
455 node, "facetvalue", "est_representation");
457 freq = odr_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 facet_term = facet_term_create_cstr(odr, wrbuf_cstr(wrbuf), freq);
467 wrbuf_destroy(wrbuf);
471 static Z_FacetField *yaz_sru_proxy_decode_facet_field(ODR odr, xmlNodePtr ptr)
473 Z_AttributeList *list;
474 Z_FacetField *facet_field;
479 const char* name = yaz_element_attribute_value_get(ptr, "facet", "code");
480 yaz_log(YLOG_DEBUG, "sru-proxy facet type: %s", name);
482 list = yaz_use_attribute_create(odr, name);
483 for (node = ptr->children; node; node = node->next) {
484 if (match_element(node, "facetvalue"))
487 facet_field = facet_field_create(odr, list, num_terms);
489 for (node = ptr->children; node; node = node->next)
491 if (match_element(node, "facetvalue"))
493 facet_field_term_set(odr, facet_field,
494 yaz_sru_proxy_get_facet_term_count(odr, node),
502 static int yaz_sru_proxy_decode_facets(ODR o, xmlNodePtr root,
503 Z_FacetList **facetList)
507 for (ptr = root->children; ptr; ptr = ptr->next)
509 if (match_element(ptr, "facets"))
512 Z_FacetList *facet_list;
514 for (node = ptr->children; node; node= node->next)
516 if (node->type == XML_ELEMENT_NODE)
519 facet_list = facet_list_create(o, num_facets);
521 for (node = ptr->children; node; node= node->next)
523 if (match_element(node, "facet")) {
524 facet_list_field_set(o, facet_list, yaz_sru_proxy_decode_facet_field(o, node), num_facets);
528 *facetList = facet_list;
537 static int yaz_srw_decode_diagnostics(ODR o, xmlNodePtr pptr,
538 Z_SRW_diagnostic **recs, int *num,
539 void *client_data, const char *ns)
544 for (ptr = pptr; ptr; ptr = ptr->next)
546 if (ptr->type == XML_ELEMENT_NODE &&
547 !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
552 *recs = (Z_SRW_diagnostic *) odr_malloc(o, *num * sizeof(**recs));
553 for (i = 0; i < *num; i++)
556 (*recs)[i].details = 0;
557 (*recs)[i].message = 0;
559 for (i = 0, ptr = pptr; ptr; ptr = ptr->next)
561 if (ptr->type == XML_ELEMENT_NODE &&
562 !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
566 (*recs)[i].details = 0;
567 (*recs)[i].message = 0;
568 for (rptr = ptr->children; rptr; rptr = rptr->next)
570 if (match_xsd_string(rptr, "uri", o,
573 else if (match_xsd_string(rptr, "details", o,
574 &(*recs)[i].details))
577 match_xsd_string(rptr, "message", o, &(*recs)[i].message);
585 int sru_decode_surrogate_diagnostics(const char *buf, size_t len,
586 Z_SRW_diagnostic **diag,
590 xmlDocPtr doc = xmlParseMemory(buf, len);
593 xmlNodePtr ptr = xmlDocGetRootElement(doc);
594 while (ptr && ptr->type != XML_ELEMENT_NODE)
597 && !xmlStrcmp(ptr->ns->href,
598 BAD_CAST "http://www.loc.gov/zing/srw/diagnostic/"))
600 ret = yaz_srw_decode_diagnostics(odr, ptr, diag, num, 0, 0);
607 static int yaz_srw_diagnostics(ODR o, xmlNodePtr pptr, Z_SRW_diagnostic **recs,
608 int *num, void *client_data, const char *ns)
610 if (o->direction == ODR_DECODE)
612 return yaz_srw_decode_diagnostics(o, pptr->children, recs, num, client_data, ns);
614 else if (o->direction == ODR_ENCODE)
618 xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1, BAD_CAST "diag" );
619 for (i = 0; i < *num; i++)
621 const char *std_diag = "info:srw/diagnostic/1/";
622 const char *ucp_diag = "info:srw/diagnostic/12/";
623 xmlNodePtr rptr = xmlNewChild(pptr, ns_diag,
624 BAD_CAST "diagnostic", 0);
625 add_xsd_string(rptr, "uri", (*recs)[i].uri);
626 if ((*recs)[i].message)
627 add_xsd_string(rptr, "message", (*recs)[i].message);
628 else if ((*recs)[i].uri )
630 if (!strncmp((*recs)[i].uri, std_diag, strlen(std_diag)))
632 int no = atoi((*recs)[i].uri + strlen(std_diag));
633 const char *message = yaz_diag_srw_str(no);
635 add_xsd_string(rptr, "message", message);
637 else if (!strncmp((*recs)[i].uri, ucp_diag, strlen(ucp_diag)))
639 int no = atoi((*recs)[i].uri + strlen(ucp_diag));
640 const char *message = yaz_diag_sru_update_str(no);
642 add_xsd_string(rptr, "message", message);
645 add_xsd_string(rptr, "details", (*recs)[i].details);
651 static int yaz_srw_term(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm *term,
652 void *client_data, const char *ns)
654 if (o->direction == ODR_DECODE)
658 term->numberOfRecords = 0;
659 term->displayTerm = 0;
660 term->whereInList = 0;
661 for (ptr = pptr->children; ptr; ptr = ptr->next)
663 if (match_xsd_string(ptr, "value", o, &term->value))
665 else if (match_xsd_integer(ptr, "numberOfRecords", o,
666 &term->numberOfRecords))
668 else if (match_xsd_string(ptr, "displayTerm", o,
672 match_xsd_string(ptr, "whereInList", o, &term->whereInList);
675 else if (o->direction == ODR_ENCODE)
677 xmlNodePtr ptr = pptr;
678 add_xsd_string(ptr, "value", term->value);
679 add_xsd_integer(ptr, "numberOfRecords", term->numberOfRecords);
680 add_xsd_string(ptr, "displayTerm", term->displayTerm);
681 add_xsd_string(ptr, "whereInList", term->whereInList);
686 static int yaz_srw_terms(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm **terms,
687 int *num, void *client_data, const char *ns)
689 if (o->direction == ODR_DECODE)
694 for (ptr = pptr->children; ptr; ptr = ptr->next)
696 if (ptr->type == XML_ELEMENT_NODE &&
697 !xmlStrcmp(ptr->name, BAD_CAST "term"))
702 *terms = (Z_SRW_scanTerm *) odr_malloc(o, *num * sizeof(**terms));
703 for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
705 if (ptr->type == XML_ELEMENT_NODE &&
706 !xmlStrcmp(ptr->name, BAD_CAST "term"))
707 yaz_srw_term(o, ptr, (*terms)+i, client_data, ns);
710 else if (o->direction == ODR_ENCODE)
713 for (i = 0; i < *num; i++)
715 xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "term", 0);
716 yaz_srw_term(o, rptr, (*terms)+i, client_data, ns);
722 int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
723 void *client_data, const char *ns)
725 xmlNodePtr pptr = (xmlNodePtr) vptr;
726 if (o->direction == ODR_DECODE)
728 Z_SRW_PDU **p = handler_data;
729 xmlNodePtr method = pptr->children;
732 while (method && method->type == XML_TEXT_NODE)
733 method = method->next;
737 if (method->type != XML_ELEMENT_NODE)
740 *p = yaz_srw_get_core_v_1_1(o);
742 if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveRequest"))
744 xmlNodePtr ptr = method->children;
745 Z_SRW_searchRetrieveRequest *req;
747 (*p)->which = Z_SRW_searchRetrieve_request;
748 req = (*p)->u.request = (Z_SRW_searchRetrieveRequest *)
749 odr_malloc(o, sizeof(*req));
750 req->query_type = Z_SRW_query_type_cql;
752 req->sort_type = Z_SRW_sort_type_none;
754 req->startRecord = 0;
755 req->maximumRecords = 0;
756 req->recordSchema = 0;
757 req->recordPacking = 0;
758 req->recordXPath = 0;
759 req->resultSetTTL = 0;
763 for (; ptr; ptr = ptr->next)
765 if (match_xsd_string(ptr, "version", o,
768 else if (match_xsd_string(ptr, "query", o,
770 req->query_type = Z_SRW_query_type_cql;
771 else if (match_xsd_string(ptr, "pQuery", o,
773 req->query_type = Z_SRW_query_type_pqf;
774 else if (match_xsd_string(ptr, "xQuery", o,
776 req->query_type = Z_SRW_query_type_xcql;
777 else if (match_xsd_integer(ptr, "startRecord", o,
780 else if (match_xsd_integer(ptr, "maximumRecords", o,
781 &req->maximumRecords))
783 else if (match_xsd_string(ptr, "recordPacking", o,
784 &req->recordPacking))
786 else if (match_xsd_string(ptr, "recordSchema", o,
789 else if (match_xsd_string(ptr, "recordXPath", o,
792 else if (match_xsd_integer(ptr, "resultSetTTL", o,
795 else if (match_xsd_string(ptr, "sortKeys", o,
796 &req->sort.sortKeys))
797 req->sort_type = Z_SRW_sort_type_sort;
798 else if (match_xsd_string(ptr, "stylesheet", o,
802 match_xsd_string(ptr, "database", o, &req->database);
804 if (!req->query.cql && !req->query.pqf && !req->query.xcql)
806 /* should put proper diagnostic here */
810 else if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveResponse"))
812 xmlNodePtr ptr = method->children;
813 Z_SRW_searchRetrieveResponse *res;
815 (*p)->which = Z_SRW_searchRetrieve_response;
816 res = (*p)->u.response = (Z_SRW_searchRetrieveResponse *)
817 odr_malloc(o, sizeof(*res));
819 res->numberOfRecords = 0;
820 res->resultSetId = 0;
821 res->resultSetIdleTime = 0;
823 res->num_records = 0;
824 res->diagnostics = 0;
825 res->num_diagnostics = 0;
826 res->nextRecordPosition = 0;
829 for (; ptr; ptr = ptr->next)
831 if (match_xsd_string(ptr, "version", o,
834 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
835 &(*p)->extraResponseData_buf,
836 &(*p)->extraResponseData_len))
838 else if (match_xsd_integer(ptr, "numberOfRecords", o,
839 &res->numberOfRecords))
841 else if (match_xsd_string(ptr, "resultSetId", o,
844 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
845 &res->resultSetIdleTime))
847 else if (match_element(ptr, "records"))
848 yaz_srw_records(o, ptr, &res->records,
850 &res->num_records, client_data, ns);
851 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
852 &res->nextRecordPosition))
854 else if (match_element(ptr, "diagnostics"))
855 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
856 &res->num_diagnostics,
858 else if (match_element(ptr, "facet_analysis"))
859 yaz_sru_proxy_decode_facets(o, ptr, &res->facetList);
862 else if (!xmlStrcmp(method->name, BAD_CAST "explainRequest"))
864 Z_SRW_explainRequest *req;
865 xmlNodePtr ptr = method->children;
867 (*p)->which = Z_SRW_explain_request;
868 req = (*p)->u.explain_request = (Z_SRW_explainRequest *)
869 odr_malloc(o, sizeof(*req));
870 req->recordPacking = 0;
873 for (; ptr; ptr = ptr->next)
875 if (match_xsd_string(ptr, "version", o,
878 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
879 &(*p)->extraResponseData_buf,
880 &(*p)->extraResponseData_len))
882 else if (match_xsd_string(ptr, "stylesheet", o,
885 else if (match_xsd_string(ptr, "recordPacking", o,
886 &req->recordPacking))
889 match_xsd_string(ptr, "database", o, &req->database);
892 else if (!xmlStrcmp(method->name, BAD_CAST "explainResponse"))
894 Z_SRW_explainResponse *res;
895 xmlNodePtr ptr = method->children;
897 (*p)->which = Z_SRW_explain_response;
898 res = (*p)->u.explain_response = (Z_SRW_explainResponse*)
899 odr_malloc(o, sizeof(*res));
900 res->diagnostics = 0;
901 res->num_diagnostics = 0;
902 res->record.recordSchema = 0;
903 res->record.recordData_buf = 0;
904 res->record.recordData_len = 0;
905 res->record.recordPosition = 0;
907 for (; ptr; ptr = ptr->next)
909 if (match_xsd_string(ptr, "version", o,
912 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
913 &(*p)->extraResponseData_buf,
914 &(*p)->extraResponseData_len))
916 else if (match_element(ptr, "record"))
917 yaz_srw_record(o, ptr, &res->record, &res->extra_record,
919 else if (match_element(ptr, "diagnostics"))
920 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
921 &res->num_diagnostics,
926 else if (!xmlStrcmp(method->name, BAD_CAST "scanRequest"))
928 Z_SRW_scanRequest *req;
929 xmlNodePtr ptr = method->children;
931 (*p)->which = Z_SRW_scan_request;
932 req = (*p)->u.scan_request = (Z_SRW_scanRequest *)
933 odr_malloc(o, sizeof(*req));
934 req->query_type = Z_SRW_query_type_cql;
935 req->scanClause.cql = 0;
936 req->responsePosition = 0;
937 req->maximumTerms = 0;
941 for (; ptr; ptr = ptr->next)
943 if (match_xsd_string(ptr, "version", o,
946 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
947 &(*p)->extraResponseData_buf,
948 &(*p)->extraResponseData_len))
950 else if (match_xsd_string(ptr, "scanClause", o,
951 &req->scanClause.cql))
953 else if (match_xsd_string(ptr, "pScanClause", o,
954 &req->scanClause.pqf))
956 req->query_type = Z_SRW_query_type_pqf;
958 else if (match_xsd_integer(ptr, "responsePosition", o,
959 &req->responsePosition))
961 else if (match_xsd_integer(ptr, "maximumTerms", o,
964 else if (match_xsd_string(ptr, "stylesheet", o,
968 match_xsd_string(ptr, "database", o, &req->database);
971 else if (!xmlStrcmp(method->name, BAD_CAST "scanResponse"))
973 Z_SRW_scanResponse *res;
974 xmlNodePtr ptr = method->children;
976 (*p)->which = Z_SRW_scan_response;
977 res = (*p)->u.scan_response = (Z_SRW_scanResponse *)
978 odr_malloc(o, sizeof(*res));
981 res->diagnostics = 0;
982 res->num_diagnostics = 0;
984 for (; ptr; ptr = ptr->next)
986 if (match_xsd_string(ptr, "version", o,
989 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
990 &(*p)->extraResponseData_buf,
991 &(*p)->extraResponseData_len))
993 else if (match_element(ptr, "terms"))
994 yaz_srw_terms(o, ptr, &res->terms,
995 &res->num_terms, client_data,
997 else if (match_element(ptr, "diagnostics"))
998 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
999 &res->num_diagnostics,
1008 neg_version = yaz_negotiate_sru_version((*p)->srw_version);
1010 (*p)->srw_version = neg_version;
1012 else if (o->direction == ODR_ENCODE)
1014 Z_SRW_PDU **p = handler_data;
1018 if ((*p)->which == Z_SRW_searchRetrieve_request)
1020 Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
1021 ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveRequest", 0);
1022 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1023 xmlSetNs(ptr, ns_srw);
1025 if ((*p)->srw_version)
1026 add_xsd_string(ptr, "version", (*p)->srw_version);
1027 switch(req->query_type)
1029 case Z_SRW_query_type_cql:
1030 add_xsd_string(ptr, "query", req->query.cql);
1032 case Z_SRW_query_type_xcql:
1033 add_xsd_string(ptr, "xQuery", req->query.xcql);
1035 case Z_SRW_query_type_pqf:
1036 add_xsd_string(ptr, "pQuery", req->query.pqf);
1039 add_xsd_integer(ptr, "startRecord", req->startRecord);
1040 add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
1041 add_xsd_string(ptr, "recordPacking", req->recordPacking);
1042 add_xsd_string(ptr, "recordSchema", req->recordSchema);
1043 add_xsd_string(ptr, "recordXPath", req->recordXPath);
1044 add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
1045 switch(req->sort_type)
1047 case Z_SRW_sort_type_none:
1049 case Z_SRW_sort_type_sort:
1050 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
1052 case Z_SRW_sort_type_xSort:
1053 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
1056 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1057 add_xsd_string(ptr, "database", req->database);
1059 else if ((*p)->which == Z_SRW_searchRetrieve_response)
1061 Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
1062 ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveResponse", 0);
1063 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1064 xmlSetNs(ptr, ns_srw);
1066 if ((*p)->srw_version)
1067 add_xsd_string(ptr, "version", (*p)->srw_version);
1068 add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
1069 add_xsd_string(ptr, "resultSetId", res->resultSetId);
1070 add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
1071 if (res->num_records)
1073 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "records", 0);
1074 yaz_srw_records(o, rptr, &res->records, &res->extra_records,
1078 add_xsd_integer(ptr, "nextRecordPosition",
1079 res->nextRecordPosition);
1080 if (res->num_diagnostics)
1082 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1084 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1085 &res->num_diagnostics, client_data, ns);
1088 else if ((*p)->which == Z_SRW_explain_request)
1090 Z_SRW_explainRequest *req = (*p)->u.explain_request;
1091 ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest", 0);
1092 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1093 xmlSetNs(ptr, ns_srw);
1095 add_xsd_string(ptr, "version", (*p)->srw_version);
1096 add_xsd_string(ptr, "recordPacking", req->recordPacking);
1097 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1098 add_xsd_string(ptr, "database", req->database);
1100 else if ((*p)->which == Z_SRW_explain_response)
1102 Z_SRW_explainResponse *res = (*p)->u.explain_response;
1103 ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse", 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);
1110 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1111 yaz_srw_record(o, ptr1, &res->record, &res->extra_record,
1114 if (res->num_diagnostics)
1116 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1118 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1119 &res->num_diagnostics, client_data, ns);
1122 else if ((*p)->which == Z_SRW_scan_request)
1124 Z_SRW_scanRequest *req = (*p)->u.scan_request;
1125 ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
1126 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1127 xmlSetNs(ptr, ns_srw);
1129 add_xsd_string(ptr, "version", (*p)->srw_version);
1130 switch(req->query_type)
1132 case Z_SRW_query_type_cql:
1133 add_xsd_string(ptr, "scanClause", req->scanClause.cql);
1135 case Z_SRW_query_type_pqf:
1136 add_xsd_string(ptr, "pScanClause", req->scanClause.pqf);
1139 add_xsd_integer(ptr, "responsePosition", req->responsePosition);
1140 add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
1141 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1142 add_xsd_string(ptr, "database", req->database);
1144 else if ((*p)->which == Z_SRW_scan_response)
1146 Z_SRW_scanResponse *res = (*p)->u.scan_response;
1147 ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
1148 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1149 xmlSetNs(ptr, ns_srw);
1151 add_xsd_string(ptr, "version", (*p)->srw_version);
1155 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "terms", 0);
1156 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
1159 if (res->num_diagnostics)
1161 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1163 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1164 &res->num_diagnostics, client_data, ns);
1169 if (ptr && (*p)->extraResponseData_len)
1170 add_XML_n(ptr, "extraResponseData",
1171 (*p)->extraResponseData_buf,
1172 (*p)->extraResponseData_len, ns_srw);
1179 int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
1180 void *client_data, const char *ns_ucp_str)
1182 xmlNodePtr pptr = (xmlNodePtr) vptr;
1183 const char *ns_srw_str = YAZ_XMLNS_SRU_v1_1;
1184 if (o->direction == ODR_DECODE)
1186 Z_SRW_PDU **p = handler_data;
1187 xmlNodePtr method = pptr->children;
1189 while (method && method->type == XML_TEXT_NODE)
1190 method = method->next;
1194 if (method->type != XML_ELEMENT_NODE)
1197 *p = yaz_srw_get_core_v_1_1(o);
1199 if (!xmlStrcmp(method->name, BAD_CAST "updateRequest"))
1201 xmlNodePtr ptr = method->children;
1202 Z_SRW_updateRequest *req;
1205 (*p)->which = Z_SRW_update_request;
1206 req = (*p)->u.update_request = (Z_SRW_updateRequest *)
1207 odr_malloc(o, sizeof(*req));
1211 req->recordVersions = 0;
1212 req->num_recordVersions = 0;
1214 req->extra_record = 0;
1215 req->extraRequestData_buf = 0;
1216 req->extraRequestData_len = 0;
1217 req->stylesheet = 0;
1219 for (; ptr; ptr = ptr->next)
1221 if (match_xsd_string(ptr, "version", o,
1222 &(*p)->srw_version))
1224 else if (match_xsd_string(ptr, "action", o,
1227 if ( !strcmp(oper, "info:srw/action/1/delete"))
1228 req->operation = "delete";
1229 else if (!strcmp(oper,"info:srw/action/1/replace" ))
1230 req->operation = "replace";
1231 else if ( !strcmp( oper, "info:srw/action/1/create"))
1232 req->operation = "insert";
1235 else if (match_xsd_string(ptr, "recordIdentifier", o,
1238 else if (match_element(ptr, "recordVersions" ) )
1239 yaz_srw_versions( o, ptr, &req->recordVersions,
1240 &req->num_recordVersions, client_data,
1242 else if (match_element(ptr, "record"))
1244 req->record = yaz_srw_get_record(o);
1245 yaz_srw_record(o, ptr, req->record, &req->extra_record,
1246 client_data, ns_ucp_str);
1248 else if (match_xsd_string(ptr, "stylesheet", o,
1252 match_xsd_string(ptr, "database", o, &req->database);
1255 else if (!xmlStrcmp(method->name, BAD_CAST "updateResponse"))
1257 xmlNodePtr ptr = method->children;
1258 Z_SRW_updateResponse *res;
1260 (*p)->which = Z_SRW_update_response;
1261 res = (*p)->u.update_response = (Z_SRW_updateResponse *)
1262 odr_malloc(o, sizeof(*res));
1264 res->operationStatus = 0;
1266 res->recordVersions = 0;
1267 res->num_recordVersions = 0;
1268 res->diagnostics = 0;
1269 res->num_diagnostics = 0;
1271 res->extra_record = 0;
1272 res->extraResponseData_buf = 0;
1273 res->extraResponseData_len = 0;
1275 for (; ptr; ptr = ptr->next)
1277 if (match_xsd_string(ptr, "version", o,
1278 &(*p)->srw_version))
1280 else if (match_xsd_string(ptr, "operationStatus", o,
1281 &res->operationStatus ))
1283 else if (match_xsd_string(ptr, "recordIdentifier", o,
1286 else if (match_element(ptr, "recordVersions" ))
1287 yaz_srw_versions(o, ptr, &res->recordVersions,
1288 &res->num_recordVersions,
1289 client_data, ns_ucp_str);
1290 else if (match_element(ptr, "record"))
1292 res->record = yaz_srw_get_record(o);
1293 yaz_srw_record(o, ptr, res->record, &res->extra_record,
1294 client_data, ns_ucp_str);
1296 else if (match_element(ptr, "diagnostics"))
1297 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1298 &res->num_diagnostics,
1299 client_data, ns_ucp_str);
1302 else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateRequest"))
1305 else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateResponse"))
1314 else if (o->direction == ODR_ENCODE)
1316 Z_SRW_PDU **p = handler_data;
1317 xmlNsPtr ns_ucp, ns_srw;
1320 if ((*p)->which == Z_SRW_update_request)
1322 Z_SRW_updateRequest *req = (*p)->u.update_request;
1323 xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "updateRequest", 0);
1324 ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1325 xmlSetNs(ptr, ns_ucp);
1326 ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1328 add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1329 add_xsd_string(ptr, "action", req->operation);
1330 add_xsd_string(ptr, "recordIdentifier", req->recordId );
1331 if (req->recordVersions)
1332 yaz_srw_versions( o, ptr, &req->recordVersions,
1333 &req->num_recordVersions,
1334 client_data, ns_ucp_str);
1335 if (req->record && req->record->recordData_len)
1337 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1338 xmlSetNs(rptr, ns_srw);
1339 yaz_srw_record(o, rptr, req->record, &req->extra_record,
1340 client_data, ns_ucp_str);
1342 if (req->extraRequestData_len)
1344 add_XML_n(ptr, "extraRequestData",
1345 req->extraRequestData_buf,
1346 req->extraRequestData_len, ns_srw);
1348 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1349 add_xsd_string(ptr, "database", req->database);
1351 else if ((*p)->which == Z_SRW_update_response)
1353 Z_SRW_updateResponse *res = (*p)->u.update_response;
1354 xmlNodePtr ptr = xmlNewChild(pptr, 0, (xmlChar *)
1355 "updateResponse", 0);
1356 ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1357 xmlSetNs(ptr, ns_ucp);
1358 ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1360 add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1361 add_xsd_string(ptr, "operationStatus", res->operationStatus );
1362 add_xsd_string(ptr, "recordIdentifier", res->recordId );
1363 if (res->recordVersions)
1364 yaz_srw_versions(o, ptr, &res->recordVersions,
1365 &res->num_recordVersions,
1366 client_data, ns_ucp_str);
1367 if (res->record && res->record->recordData_len)
1369 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1370 xmlSetNs(rptr, ns_srw);
1371 yaz_srw_record(o, rptr, res->record, &res->extra_record,
1372 client_data, ns_ucp_str);
1374 if (res->num_diagnostics)
1377 xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1,
1380 xmlNodePtr rptr = xmlNewChild(ptr, ns_diag, BAD_CAST "diagnostics", 0);
1381 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1382 &res->num_diagnostics, client_data,
1385 if (res->extraResponseData_len)
1386 add_XML_n(ptr, "extraResponseData",
1387 res->extraResponseData_buf,
1388 res->extraResponseData_len, ns_srw);
1403 * c-file-style: "Stroustrup"
1404 * indent-tabs-mode: nil
1406 * vim: shiftwidth=4 tabstop=8 expandtab