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) )
265 else if (match_xsd_string(ptr, "recordIdentifier", o,
266 &ex.recordIdentifier))
274 case Z_SRW_recordPacking_XML:
275 match_xsd_XML_n(data_ptr, "recordData", o,
276 &rec->recordData_buf, &rec->recordData_len);
278 case Z_SRW_recordPacking_URL:
279 /* just store it as a string.
280 leave it to the backend to collect the document */
281 match_xsd_string_n(data_ptr, "recordData", o,
282 &rec->recordData_buf, &rec->recordData_len);
284 case Z_SRW_recordPacking_string:
285 match_xsd_string_n(data_ptr, "recordData", o,
286 &rec->recordData_buf, &rec->recordData_len);
290 rec->recordPacking = pack;
291 if (ex.extraRecordData_buf || ex.recordIdentifier)
293 *extra = (Z_SRW_extra_record *)
294 odr_malloc(o, sizeof(Z_SRW_extra_record));
295 memcpy(*extra, &ex, sizeof(Z_SRW_extra_record));
298 else if (o->direction == ODR_ENCODE)
300 xmlNodePtr ptr = pptr;
301 int pack = rec->recordPacking;
302 const char *spack = yaz_srw_pack_to_str(pack);
304 add_xsd_string(ptr, "recordSchema", rec->recordSchema);
306 add_xsd_string(ptr, "recordPacking", spack);
309 case Z_SRW_recordPacking_string:
310 add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
311 rec->recordData_len);
313 case Z_SRW_recordPacking_XML:
314 add_XML_n(ptr, "recordData", rec->recordData_buf,
315 rec->recordData_len, 0);
317 case Z_SRW_recordPacking_URL:
318 add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
319 rec->recordData_len);
322 if (rec->recordPosition)
323 add_xsd_integer(ptr, "recordPosition", rec->recordPosition );
326 if ((*extra)->recordIdentifier)
327 add_xsd_string(ptr, "recordIdentifier",
328 (*extra)->recordIdentifier);
329 if ((*extra)->extraRecordData_buf)
330 add_XML_n(ptr, "extraRecordData",
331 (*extra)->extraRecordData_buf,
332 (*extra)->extraRecordData_len, 0);
338 static int yaz_srw_records(ODR o, xmlNodePtr pptr, Z_SRW_record **recs,
339 Z_SRW_extra_record ***extra,
340 int *num, void *client_data, const char *ns)
342 if (o->direction == ODR_DECODE)
347 for (ptr = pptr->children; ptr; ptr = ptr->next)
349 if (ptr->type == XML_ELEMENT_NODE &&
350 !xmlStrcmp(ptr->name, BAD_CAST "record"))
355 *recs = (Z_SRW_record *) odr_malloc(o, *num * sizeof(**recs));
356 *extra = (Z_SRW_extra_record **) odr_malloc(o, *num * sizeof(**extra));
357 for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
359 if (ptr->type == XML_ELEMENT_NODE &&
360 !xmlStrcmp(ptr->name, BAD_CAST "record"))
362 yaz_srw_record(o, ptr, *recs + i, *extra + i, client_data, ns);
367 else if (o->direction == ODR_ENCODE)
370 for (i = 0; i < *num; i++)
372 xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "record",
374 yaz_srw_record(o, rptr, (*recs)+i, (*extra ? *extra + i : 0),
381 static int yaz_srw_version(ODR o, xmlNodePtr pptr, Z_SRW_recordVersion *rec,
382 void *client_data, const char *ns)
384 if (o->direction == ODR_DECODE)
387 rec->versionType = 0;
388 rec->versionValue = 0;
389 for (ptr = pptr->children; ptr; ptr = ptr->next)
392 if (match_xsd_string(ptr, "versionType", o,
395 else if (match_xsd_string(ptr, "versionValue", o,
400 else if (o->direction == ODR_ENCODE)
402 xmlNodePtr ptr = pptr;
403 add_xsd_string(ptr, "versionType", rec->versionType);
404 add_xsd_string(ptr, "versionValue", rec->versionValue);
409 static int yaz_srw_versions(ODR o, xmlNodePtr pptr,
410 Z_SRW_recordVersion **vers,
411 int *num, void *client_data, const char *ns)
413 if (o->direction == ODR_DECODE)
418 for (ptr = pptr->children; ptr; ptr = ptr->next)
420 if (ptr->type == XML_ELEMENT_NODE &&
421 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
426 *vers = (Z_SRW_recordVersion *) odr_malloc(o, *num * sizeof(**vers));
427 for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
429 if (ptr->type == XML_ELEMENT_NODE &&
430 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
432 yaz_srw_version(o, ptr, *vers + i, client_data, ns);
437 else if (o->direction == ODR_ENCODE)
440 for (i = 0; i < *num; i++)
442 xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "version",
444 yaz_srw_version(o, rptr, (*vers)+i, client_data, ns);
450 Z_FacetTerm *yaz_sru_proxy_get_facet_term_count(ODR odr, xmlNodePtr node)
454 WRBUF wrbuf = wrbuf_alloc();
455 const char *freq_string = yaz_element_attribute_value_get(node, "facetvalue", "est_representation");
458 freq = atoi(freq_string);
462 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_atttribute_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, yaz_sru_proxy_get_facet_term_count(odr, node), index);
501 static int yaz_sru_proxy_decode_facets(ODR o, xmlNodePtr root,
502 Z_FacetList **facetList)
506 for (ptr = root->children; ptr; ptr = ptr->next)
508 if (match_element(ptr, "facets"))
511 Z_FacetList *facet_list;
513 for (node = ptr->children; node; node= node->next)
515 if (node->type == XML_ELEMENT_NODE)
518 facet_list = facet_list_create(o, num_facets);
520 for (node = ptr->children; node; node= node->next)
522 if (match_element(node, "facet")) {
523 facet_list_field_set(o, facet_list, yaz_sru_proxy_decode_facet_field(o, node), num_facets);
527 *facetList = facet_list;
536 static int yaz_srw_decode_diagnostics(ODR o, xmlNodePtr pptr,
537 Z_SRW_diagnostic **recs, int *num,
538 void *client_data, const char *ns)
543 for (ptr = pptr; ptr; ptr = ptr->next)
545 if (ptr->type == XML_ELEMENT_NODE &&
546 !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
551 *recs = (Z_SRW_diagnostic *) odr_malloc(o, *num * sizeof(**recs));
552 for (i = 0; i < *num; i++)
555 (*recs)[i].details = 0;
556 (*recs)[i].message = 0;
558 for (i = 0, ptr = pptr; ptr; ptr = ptr->next)
560 if (ptr->type == XML_ELEMENT_NODE &&
561 !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
565 (*recs)[i].details = 0;
566 (*recs)[i].message = 0;
567 for (rptr = ptr->children; rptr; rptr = rptr->next)
569 if (match_xsd_string(rptr, "uri", o,
572 else if (match_xsd_string(rptr, "details", o,
573 &(*recs)[i].details))
575 else if (match_xsd_string(rptr, "message", o,
576 &(*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,
671 else if (match_xsd_string(ptr, "whereInList", o,
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,
802 else if (match_xsd_string(ptr, "database", o,
806 if (!req->query.cql && !req->query.pqf && !req->query.xcql)
808 /* should put proper diagnostic here */
812 else if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveResponse"))
814 xmlNodePtr ptr = method->children;
815 Z_SRW_searchRetrieveResponse *res;
817 (*p)->which = Z_SRW_searchRetrieve_response;
818 res = (*p)->u.response = (Z_SRW_searchRetrieveResponse *)
819 odr_malloc(o, sizeof(*res));
821 res->numberOfRecords = 0;
822 res->resultSetId = 0;
823 res->resultSetIdleTime = 0;
825 res->num_records = 0;
826 res->diagnostics = 0;
827 res->num_diagnostics = 0;
828 res->nextRecordPosition = 0;
831 for (; ptr; ptr = ptr->next)
833 if (match_xsd_string(ptr, "version", o,
836 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
837 &(*p)->extraResponseData_buf,
838 &(*p)->extraResponseData_len))
840 else if (match_xsd_integer(ptr, "numberOfRecords", o,
841 &res->numberOfRecords))
843 else if (match_xsd_string(ptr, "resultSetId", o,
846 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
847 &res->resultSetIdleTime))
849 else if (match_element(ptr, "records"))
850 yaz_srw_records(o, ptr, &res->records,
852 &res->num_records, client_data, ns);
853 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
854 &res->nextRecordPosition))
856 else if (match_element(ptr, "diagnostics"))
857 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
858 &res->num_diagnostics,
860 else if (match_element(ptr, "facet_analysis"))
861 yaz_sru_proxy_decode_facets(o, ptr, &res->facetList);
864 else if (!xmlStrcmp(method->name, BAD_CAST "explainRequest"))
866 Z_SRW_explainRequest *req;
867 xmlNodePtr ptr = method->children;
869 (*p)->which = Z_SRW_explain_request;
870 req = (*p)->u.explain_request = (Z_SRW_explainRequest *)
871 odr_malloc(o, sizeof(*req));
872 req->recordPacking = 0;
875 for (; ptr; ptr = ptr->next)
877 if (match_xsd_string(ptr, "version", o,
880 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
881 &(*p)->extraResponseData_buf,
882 &(*p)->extraResponseData_len))
884 else if (match_xsd_string(ptr, "stylesheet", o,
887 else if (match_xsd_string(ptr, "recordPacking", o,
888 &req->recordPacking))
890 else if (match_xsd_string(ptr, "database", o,
895 else if (!xmlStrcmp(method->name, BAD_CAST "explainResponse"))
897 Z_SRW_explainResponse *res;
898 xmlNodePtr ptr = method->children;
900 (*p)->which = Z_SRW_explain_response;
901 res = (*p)->u.explain_response = (Z_SRW_explainResponse*)
902 odr_malloc(o, sizeof(*res));
903 res->diagnostics = 0;
904 res->num_diagnostics = 0;
905 res->record.recordSchema = 0;
906 res->record.recordData_buf = 0;
907 res->record.recordData_len = 0;
908 res->record.recordPosition = 0;
910 for (; ptr; ptr = ptr->next)
912 if (match_xsd_string(ptr, "version", o,
915 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
916 &(*p)->extraResponseData_buf,
917 &(*p)->extraResponseData_len))
919 else if (match_element(ptr, "record"))
920 yaz_srw_record(o, ptr, &res->record, &res->extra_record,
922 else if (match_element(ptr, "diagnostics"))
923 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
924 &res->num_diagnostics,
929 else if (!xmlStrcmp(method->name, BAD_CAST "scanRequest"))
931 Z_SRW_scanRequest *req;
932 xmlNodePtr ptr = method->children;
934 (*p)->which = Z_SRW_scan_request;
935 req = (*p)->u.scan_request = (Z_SRW_scanRequest *)
936 odr_malloc(o, sizeof(*req));
937 req->query_type = Z_SRW_query_type_cql;
938 req->scanClause.cql = 0;
939 req->responsePosition = 0;
940 req->maximumTerms = 0;
944 for (; ptr; ptr = ptr->next)
946 if (match_xsd_string(ptr, "version", o,
949 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
950 &(*p)->extraResponseData_buf,
951 &(*p)->extraResponseData_len))
953 else if (match_xsd_string(ptr, "scanClause", o,
954 &req->scanClause.cql))
956 else if (match_xsd_string(ptr, "pScanClause", o,
957 &req->scanClause.pqf))
959 req->query_type = Z_SRW_query_type_pqf;
961 else if (match_xsd_integer(ptr, "responsePosition", o,
962 &req->responsePosition))
964 else if (match_xsd_integer(ptr, "maximumTerms", o,
967 else if (match_xsd_string(ptr, "stylesheet", o,
970 else if (match_xsd_string(ptr, "database", o,
975 else if (!xmlStrcmp(method->name, BAD_CAST "scanResponse"))
977 Z_SRW_scanResponse *res;
978 xmlNodePtr ptr = method->children;
980 (*p)->which = Z_SRW_scan_response;
981 res = (*p)->u.scan_response = (Z_SRW_scanResponse *)
982 odr_malloc(o, sizeof(*res));
985 res->diagnostics = 0;
986 res->num_diagnostics = 0;
988 for (; ptr; ptr = ptr->next)
990 if (match_xsd_string(ptr, "version", o,
993 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
994 &(*p)->extraResponseData_buf,
995 &(*p)->extraResponseData_len))
997 else if (match_element(ptr, "terms"))
998 yaz_srw_terms(o, ptr, &res->terms,
999 &res->num_terms, client_data,
1001 else if (match_element(ptr, "diagnostics"))
1002 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1003 &res->num_diagnostics,
1012 neg_version = yaz_negotiate_sru_version((*p)->srw_version);
1014 (*p)->srw_version = neg_version;
1016 else if (o->direction == ODR_ENCODE)
1018 Z_SRW_PDU **p = handler_data;
1022 if ((*p)->which == Z_SRW_searchRetrieve_request)
1024 Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
1025 ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveRequest", 0);
1026 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1027 xmlSetNs(ptr, ns_srw);
1029 if ((*p)->srw_version)
1030 add_xsd_string(ptr, "version", (*p)->srw_version);
1031 switch(req->query_type)
1033 case Z_SRW_query_type_cql:
1034 add_xsd_string(ptr, "query", req->query.cql);
1036 case Z_SRW_query_type_xcql:
1037 add_xsd_string(ptr, "xQuery", req->query.xcql);
1039 case Z_SRW_query_type_pqf:
1040 add_xsd_string(ptr, "pQuery", req->query.pqf);
1043 add_xsd_integer(ptr, "startRecord", req->startRecord);
1044 add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
1045 add_xsd_string(ptr, "recordPacking", req->recordPacking);
1046 add_xsd_string(ptr, "recordSchema", req->recordSchema);
1047 add_xsd_string(ptr, "recordXPath", req->recordXPath);
1048 add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
1049 switch(req->sort_type)
1051 case Z_SRW_sort_type_none:
1053 case Z_SRW_sort_type_sort:
1054 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
1056 case Z_SRW_sort_type_xSort:
1057 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
1060 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1061 add_xsd_string(ptr, "database", req->database);
1063 else if ((*p)->which == Z_SRW_searchRetrieve_response)
1065 Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
1066 ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveResponse", 0);
1067 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1068 xmlSetNs(ptr, ns_srw);
1070 if ((*p)->srw_version)
1071 add_xsd_string(ptr, "version", (*p)->srw_version);
1072 add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
1073 add_xsd_string(ptr, "resultSetId", res->resultSetId);
1074 add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
1075 if (res->num_records)
1077 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "records", 0);
1078 yaz_srw_records(o, rptr, &res->records, &res->extra_records,
1082 add_xsd_integer(ptr, "nextRecordPosition",
1083 res->nextRecordPosition);
1084 if (res->num_diagnostics)
1086 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1088 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1089 &res->num_diagnostics, client_data, ns);
1092 else if ((*p)->which == Z_SRW_explain_request)
1094 Z_SRW_explainRequest *req = (*p)->u.explain_request;
1095 ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest", 0);
1096 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1097 xmlSetNs(ptr, ns_srw);
1099 add_xsd_string(ptr, "version", (*p)->srw_version);
1100 add_xsd_string(ptr, "recordPacking", req->recordPacking);
1101 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1102 add_xsd_string(ptr, "database", req->database);
1104 else if ((*p)->which == Z_SRW_explain_response)
1106 Z_SRW_explainResponse *res = (*p)->u.explain_response;
1107 ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse", 0);
1108 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1109 xmlSetNs(ptr, ns_srw);
1111 add_xsd_string(ptr, "version", (*p)->srw_version);
1114 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1115 yaz_srw_record(o, ptr1, &res->record, &res->extra_record,
1118 if (res->num_diagnostics)
1120 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1122 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1123 &res->num_diagnostics, client_data, ns);
1126 else if ((*p)->which == Z_SRW_scan_request)
1128 Z_SRW_scanRequest *req = (*p)->u.scan_request;
1129 ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
1130 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1131 xmlSetNs(ptr, ns_srw);
1133 add_xsd_string(ptr, "version", (*p)->srw_version);
1134 switch(req->query_type)
1136 case Z_SRW_query_type_cql:
1137 add_xsd_string(ptr, "scanClause", req->scanClause.cql);
1139 case Z_SRW_query_type_pqf:
1140 add_xsd_string(ptr, "pScanClause", req->scanClause.pqf);
1143 add_xsd_integer(ptr, "responsePosition", req->responsePosition);
1144 add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
1145 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1146 add_xsd_string(ptr, "database", req->database);
1148 else if ((*p)->which == Z_SRW_scan_response)
1150 Z_SRW_scanResponse *res = (*p)->u.scan_response;
1151 ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
1152 ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1153 xmlSetNs(ptr, ns_srw);
1155 add_xsd_string(ptr, "version", (*p)->srw_version);
1159 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "terms", 0);
1160 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
1163 if (res->num_diagnostics)
1165 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1167 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1168 &res->num_diagnostics, client_data, ns);
1173 if (ptr && (*p)->extraResponseData_len)
1174 add_XML_n(ptr, "extraResponseData",
1175 (*p)->extraResponseData_buf,
1176 (*p)->extraResponseData_len, ns_srw);
1183 int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
1184 void *client_data, const char *ns_ucp_str)
1186 xmlNodePtr pptr = (xmlNodePtr) vptr;
1187 const char *ns_srw_str = YAZ_XMLNS_SRU_v1_1;
1188 if (o->direction == ODR_DECODE)
1190 Z_SRW_PDU **p = handler_data;
1191 xmlNodePtr method = pptr->children;
1193 while (method && method->type == XML_TEXT_NODE)
1194 method = method->next;
1198 if (method->type != XML_ELEMENT_NODE)
1201 *p = yaz_srw_get_core_v_1_1(o);
1203 if (!xmlStrcmp(method->name, BAD_CAST "updateRequest"))
1205 xmlNodePtr ptr = method->children;
1206 Z_SRW_updateRequest *req;
1209 (*p)->which = Z_SRW_update_request;
1210 req = (*p)->u.update_request = (Z_SRW_updateRequest *)
1211 odr_malloc(o, sizeof(*req));
1215 req->recordVersions = 0;
1216 req->num_recordVersions = 0;
1218 req->extra_record = 0;
1219 req->extraRequestData_buf = 0;
1220 req->extraRequestData_len = 0;
1221 req->stylesheet = 0;
1223 for (; ptr; ptr = ptr->next)
1225 if (match_xsd_string(ptr, "version", o,
1226 &(*p)->srw_version))
1228 else if (match_xsd_string(ptr, "action", o,
1231 if ( !strcmp(oper, "info:srw/action/1/delete"))
1232 req->operation = "delete";
1233 else if (!strcmp(oper,"info:srw/action/1/replace" ))
1234 req->operation = "replace";
1235 else if ( !strcmp( oper, "info:srw/action/1/create"))
1236 req->operation = "insert";
1239 else if (match_xsd_string(ptr, "recordIdentifier", o,
1242 else if (match_element(ptr, "recordVersions" ) )
1243 yaz_srw_versions( o, ptr, &req->recordVersions,
1244 &req->num_recordVersions, client_data,
1246 else if (match_element(ptr, "record"))
1248 req->record = yaz_srw_get_record(o);
1249 yaz_srw_record(o, ptr, req->record, &req->extra_record,
1250 client_data, ns_ucp_str);
1252 else if (match_xsd_string(ptr, "stylesheet", o,
1255 else if (match_xsd_string(ptr, "database", o,
1260 else if (!xmlStrcmp(method->name, BAD_CAST "updateResponse"))
1262 xmlNodePtr ptr = method->children;
1263 Z_SRW_updateResponse *res;
1265 (*p)->which = Z_SRW_update_response;
1266 res = (*p)->u.update_response = (Z_SRW_updateResponse *)
1267 odr_malloc(o, sizeof(*res));
1269 res->operationStatus = 0;
1271 res->recordVersions = 0;
1272 res->num_recordVersions = 0;
1273 res->diagnostics = 0;
1274 res->num_diagnostics = 0;
1276 res->extra_record = 0;
1277 res->extraResponseData_buf = 0;
1278 res->extraResponseData_len = 0;
1280 for (; ptr; ptr = ptr->next)
1282 if (match_xsd_string(ptr, "version", o,
1283 &(*p)->srw_version))
1285 else if (match_xsd_string(ptr, "operationStatus", o,
1286 &res->operationStatus ))
1288 else if (match_xsd_string(ptr, "recordIdentifier", o,
1291 else if (match_element(ptr, "recordVersions" ))
1292 yaz_srw_versions(o, ptr, &res->recordVersions,
1293 &res->num_recordVersions,
1294 client_data, ns_ucp_str);
1295 else if (match_element(ptr, "record"))
1297 res->record = yaz_srw_get_record(o);
1298 yaz_srw_record(o, ptr, res->record, &res->extra_record,
1299 client_data, ns_ucp_str);
1301 else if (match_element(ptr, "diagnostics"))
1302 yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1303 &res->num_diagnostics,
1304 client_data, ns_ucp_str);
1307 else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateRequest"))
1310 else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateResponse"))
1319 else if (o->direction == ODR_ENCODE)
1321 Z_SRW_PDU **p = handler_data;
1322 xmlNsPtr ns_ucp, ns_srw;
1325 if ((*p)->which == Z_SRW_update_request)
1327 Z_SRW_updateRequest *req = (*p)->u.update_request;
1328 xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "updateRequest", 0);
1329 ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1330 xmlSetNs(ptr, ns_ucp);
1331 ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1333 add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1334 add_xsd_string(ptr, "action", req->operation);
1335 add_xsd_string(ptr, "recordIdentifier", req->recordId );
1336 if (req->recordVersions)
1337 yaz_srw_versions( o, ptr, &req->recordVersions,
1338 &req->num_recordVersions,
1339 client_data, ns_ucp_str);
1340 if (req->record && req->record->recordData_len)
1342 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1343 xmlSetNs(rptr, ns_srw);
1344 yaz_srw_record(o, rptr, req->record, &req->extra_record,
1345 client_data, ns_ucp_str);
1347 if (req->extraRequestData_len)
1349 add_XML_n(ptr, "extraRequestData",
1350 req->extraRequestData_buf,
1351 req->extraRequestData_len, ns_srw);
1353 add_xsd_string(ptr, "stylesheet", req->stylesheet);
1354 add_xsd_string(ptr, "database", req->database);
1356 else if ((*p)->which == Z_SRW_update_response)
1358 Z_SRW_updateResponse *res = (*p)->u.update_response;
1359 xmlNodePtr ptr = xmlNewChild(pptr, 0, (xmlChar *)
1360 "updateResponse", 0);
1361 ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1362 xmlSetNs(ptr, ns_ucp);
1363 ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1365 add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1366 add_xsd_string(ptr, "operationStatus", res->operationStatus );
1367 add_xsd_string(ptr, "recordIdentifier", res->recordId );
1368 if (res->recordVersions)
1369 yaz_srw_versions(o, ptr, &res->recordVersions,
1370 &res->num_recordVersions,
1371 client_data, ns_ucp_str);
1372 if (res->record && res->record->recordData_len)
1374 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1375 xmlSetNs(rptr, ns_srw);
1376 yaz_srw_record(o, rptr, res->record, &res->extra_record,
1377 client_data, ns_ucp_str);
1379 if (res->num_diagnostics)
1382 xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1,
1385 xmlNodePtr rptr = xmlNewChild(ptr, ns_diag, BAD_CAST "diagnostics", 0);
1386 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1387 &res->num_diagnostics, client_data,
1390 if (res->extraResponseData_len)
1391 add_XML_n(ptr, "extraResponseData",
1392 res->extraResponseData_buf,
1393 res->extraResponseData_len, ns_srw);
1408 * c-file-style: "Stroustrup"
1409 * indent-tabs-mode: nil
1411 * vim: shiftwidth=4 tabstop=8 expandtab