src/srw.c

   1 /* This file is part of the YAZ toolkit.
   2  * Copyright (C) 1995-2013 Index Data
   3  * See the file LICENSE for details.
   4  */
   5 /**
   6  * \file srw.c
   7  * \brief Implements SRW/SRU package encoding and decoding
   8  */
   9 #if HAVE_CONFIG_H
  10 #include <config.h>
  11 #endif
  12
  13 #include <stdlib.h>
  14
  15 #include <yaz/srw.h>
  16 #include <yaz/wrbuf.h>
  17 #if YAZ_HAVE_XML2
  18 #include <libxml/parser.h>
  19 #include <libxml/tree.h>
  20 #include <assert.h>
  21 #include <yaz/facet.h>
  22 #include "sru-p.h"
  23
  24 char *yaz_negotiate_sru_version(char *input_ver)
  25 {
  26     if (!input_ver)
  27         return "2.0";
  28     if (!strcmp(input_ver, "1.1"))
  29         return "1.1";
  30     if (!strncmp(input_ver, "1.", 2))
  31         return "1.2";
  32     if (!strncmp(input_ver, "2.", 2))
  33         return "2.0";
  34     return 0;
  35 }
  36
  37 static int yaz_srw_record(ODR o, xmlNodePtr pptr, Z_SRW_record *rec,
  38                           Z_SRW_extra_record **extra,
  39                           void *client_data, int version2)
  40 {
  41     if (o->direction == ODR_DECODE)
  42     {
  43         Z_SRW_extra_record ex;
  44
  45         char *spack = 0;
  46         xmlNodePtr ptr;
  47 #ifdef Z_SRW_packed
  48         rec->packing = 0;
  49 #endif
  50         rec->recordSchema = 0;
  51         rec->recordData_buf = 0;
  52         rec->recordData_len = 0;
  53         rec->recordPosition = 0;
  54         *extra = 0;
  55
  56         ex.extraRecordData_buf = 0;
  57         ex.extraRecordData_len = 0;
  58         ex.recordIdentifier = 0;
  59
  60         for (ptr = pptr->children; ptr; ptr = ptr->next)
  61         {
  62
  63             if (yaz_match_xsd_string(ptr, "recordSchema", o,
  64                                      &rec->recordSchema))
  65                 ;
  66             else if (yaz_match_xsd_string(ptr, "recordPacking", o, &spack))
  67                 ;  /* can't rely on it: in SRU 2.0 it's different semantics */
  68             else if (yaz_match_xsd_integer(ptr, "recordPosition", o,
  69                                            &rec->recordPosition))
  70                 ;
  71             else if (yaz_match_xsd_element(ptr, "recordData"))
  72             {
  73                 /* we assume XML packing, if any element nodes exist below
  74                    recordData. Unfortunately, in SRU 2.0 recordPacking
  75                    means something different */
  76                 xmlNode *p = ptr->children;
  77                 for (; p; p = p->next)
  78                     if (p->type == XML_ELEMENT_NODE)
  79                         break;
  80                 if (p)
  81                 {
  82                     yaz_match_xsd_XML_n2(
  83                         ptr, "recordData", o,
  84                         &rec->recordData_buf, &rec->recordData_len, 1);
  85                     rec->recordPacking = Z_SRW_recordPacking_XML;
  86                 }
  87                 else
  88                 {
  89                     yaz_match_xsd_string_n(
  90                         ptr, "recordData", o,
  91                         &rec->recordData_buf, &rec->recordData_len);
  92                     rec->recordPacking = Z_SRW_recordPacking_string;
  93                 }
  94             }
  95             else if (yaz_match_xsd_XML_n(ptr, "extraRecordData", o,
  96                                          &ex.extraRecordData_buf,
  97                                          &ex.extraRecordData_len) )
  98                 ;
  99             else
 100                 yaz_match_xsd_string(ptr, "recordIdentifier", o,
 101                                      &ex.recordIdentifier);
 102         }
 103         if (ex.extraRecordData_buf || ex.recordIdentifier)
 104         {
 105             *extra = (Z_SRW_extra_record *)
 106                 odr_malloc(o, sizeof(Z_SRW_extra_record));
 107             memcpy(*extra, &ex, sizeof(Z_SRW_extra_record));
 108         }
 109     }
 110     else if (o->direction == ODR_ENCODE)
 111     {
 112         xmlNodePtr ptr = pptr;
 113         int pack = rec->recordPacking;
 114         const char *spack = yaz_srw_pack_to_str(pack);
 115
 116         add_xsd_string(ptr, "recordSchema", rec->recordSchema);
 117         if (spack)
 118         {
 119             if (version2)
 120                 add_xsd_string(ptr, "recordXMLEscaping", spack);
 121             else
 122                 add_xsd_string(ptr, "recordPacking", spack);
 123         }
 124         switch (pack)
 125         {
 126         case Z_SRW_recordPacking_string:
 127             add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
 128                              rec->recordData_len);
 129             break;
 130         case Z_SRW_recordPacking_XML:
 131             add_XML_n(ptr, "recordData", rec->recordData_buf,
 132                       rec->recordData_len, 0);
 133             break;
 134         case Z_SRW_recordPacking_URL:
 135             add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
 136                              rec->recordData_len);
 137             break;
 138         }
 139         if (rec->recordPosition)
 140             add_xsd_integer(ptr, "recordPosition", rec->recordPosition );
 141         if (extra && *extra)
 142         {
 143             if ((*extra)->recordIdentifier)
 144                 add_xsd_string(ptr, "recordIdentifier",
 145                                (*extra)->recordIdentifier);
 146             if ((*extra)->extraRecordData_buf)
 147                 add_XML_n(ptr, "extraRecordData",
 148                           (*extra)->extraRecordData_buf,
 149                           (*extra)->extraRecordData_len, 0);
 150         }
 151     }
 152     return 0;
 153 }
 154
 155 static int yaz_srw_records(ODR o, xmlNodePtr pptr, Z_SRW_record **recs,
 156                            Z_SRW_extra_record ***extra,
 157                            int *num, void *client_data, int version2)
 158 {
 159     if (o->direction == ODR_DECODE)
 160     {
 161         int i;
 162         xmlNodePtr ptr;
 163         *num = 0;
 164         for (ptr = pptr->children; ptr; ptr = ptr->next)
 165         {
 166             if (ptr->type == XML_ELEMENT_NODE &&
 167                 !xmlStrcmp(ptr->name, BAD_CAST "record"))
 168                 (*num)++;
 169         }
 170         if (!*num)
 171             return 1;
 172         *recs = (Z_SRW_record *) odr_malloc(o, *num * sizeof(**recs));
 173         *extra = (Z_SRW_extra_record **) odr_malloc(o, *num * sizeof(**extra));
 174         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
 175         {
 176             if (ptr->type == XML_ELEMENT_NODE &&
 177                 !xmlStrcmp(ptr->name, BAD_CAST "record"))
 178             {
 179                 yaz_srw_record(o, ptr, *recs + i, *extra + i, client_data, 0);
 180                 i++;
 181             }
 182         }
 183     }
 184     else if (o->direction == ODR_ENCODE)
 185     {
 186         int i;
 187         for (i = 0; i < *num; i++)
 188         {
 189             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "record",
 190                                           0);
 191             yaz_srw_record(o, rptr, (*recs)+i, (*extra ? *extra + i : 0),
 192                            client_data, version2);
 193         }
 194     }
 195     return 0;
 196 }
 197
 198 static int yaz_srw_version(ODR o, xmlNodePtr pptr, Z_SRW_recordVersion *rec,
 199                            void *client_data, const char *ns)
 200 {
 201     if (o->direction == ODR_DECODE)
 202     {
 203         xmlNodePtr ptr;
 204         rec->versionType = 0;
 205         rec->versionValue = 0;
 206         for (ptr = pptr->children; ptr; ptr = ptr->next)
 207         {
 208
 209             if (yaz_match_xsd_string(ptr, "versionType", o,
 210                                      &rec->versionType))
 211                 ;
 212             else
 213                 yaz_match_xsd_string(ptr, "versionValue", o,
 214                                      &rec->versionValue);
 215         }
 216     }
 217     else if (o->direction == ODR_ENCODE)
 218     {
 219         xmlNodePtr ptr = pptr;
 220         add_xsd_string(ptr, "versionType", rec->versionType);
 221         add_xsd_string(ptr, "versionValue", rec->versionValue);
 222     }
 223     return 0;
 224 }
 225
 226 static int yaz_srw_versions(ODR o, xmlNodePtr pptr,
 227                             Z_SRW_recordVersion **vers,
 228                             int *num, void *client_data, const char *ns)
 229 {
 230     if (o->direction == ODR_DECODE)
 231     {
 232         int i;
 233         xmlNodePtr ptr;
 234         *num = 0;
 235         for (ptr = pptr->children; ptr; ptr = ptr->next)
 236         {
 237             if (ptr->type == XML_ELEMENT_NODE &&
 238                 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
 239                 (*num)++;
 240         }
 241         if (!*num)
 242             return 1;
 243         *vers = (Z_SRW_recordVersion *) odr_malloc(o, *num * sizeof(**vers));
 244         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
 245         {
 246             if (ptr->type == XML_ELEMENT_NODE &&
 247                 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
 248             {
 249                 yaz_srw_version(o, ptr, *vers + i, client_data, ns);
 250                 i++;
 251             }
 252         }
 253     }
 254     else if (o->direction == ODR_ENCODE)
 255     {
 256         int i;
 257         for (i = 0; i < *num; i++)
 258         {
 259             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "version",
 260                                           0);
 261             yaz_srw_version(o, rptr, (*vers)+i, client_data, ns);
 262         }
 263     }
 264     return 0;
 265 }
 266
 267 Z_FacetTerm *yaz_sru_proxy_get_facet_term_count(ODR odr, xmlNodePtr node)
 268 {
 269     Odr_int freq;
 270     xmlNodePtr child;
 271     WRBUF wrbuf = wrbuf_alloc();
 272     Z_FacetTerm *facet_term;
 273     const char *freq_string = yaz_element_attribute_value_get(
 274         node, "facetvalue", "est_representation");
 275     if (freq_string)
 276         freq = odr_atoi(freq_string);
 277     else
 278         freq = -1;
 279
 280     for (child = node->children; child ; child = child->next)
 281     {
 282         if (child->type == XML_TEXT_NODE)
 283             wrbuf_puts(wrbuf, (const char *) child->content);
 284     }
 285     facet_term = facet_term_create_cstr(odr, wrbuf_cstr(wrbuf), freq);
 286     wrbuf_destroy(wrbuf);
 287     return facet_term;
 288 }
 289
 290 static Z_FacetField *yaz_sru_proxy_decode_facet_field(ODR odr, xmlNodePtr ptr)
 291 {
 292     Z_AttributeList *list;
 293     Z_FacetField *facet_field;
 294     int num_terms = 0;
 295     int index = 0;
 296     xmlNodePtr node;
 297     /* USE attribute */
 298     const char* name = yaz_element_attribute_value_get(ptr, "facet", "code");
 299     yaz_log(YLOG_DEBUG, "sru-proxy facet type: %s", name);
 300
 301     list = yaz_use_attribute_create(odr, name);
 302     for (node = ptr->children; node; node = node->next) {
 303         if (yaz_match_xsd_element(node, "facetvalue"))
 304             num_terms++;
 305     }
 306     facet_field = facet_field_create(odr, list, num_terms);
 307     index = 0;
 308     for (node = ptr->children; node; node = node->next)
 309     {
 310         if (yaz_match_xsd_element(node, "facetvalue"))
 311         {
 312             facet_field_term_set(odr, facet_field,
 313                                  yaz_sru_proxy_get_facet_term_count(odr, node),
 314                                  index);
 315             index++;
 316         }
 317     }
 318     return facet_field;
 319 }
 320
 321 static int yaz_sru_proxy_decode_facets(ODR o, xmlNodePtr root,
 322                                        Z_FacetList **facetList)
 323 {
 324     xmlNodePtr ptr;
 325
 326     for (ptr = root->children; ptr; ptr = ptr->next)
 327     {
 328         if (yaz_match_xsd_element(ptr, "facets"))
 329         {
 330             xmlNodePtr node;
 331             Z_FacetList *facet_list;
 332             int num_facets = 0;
 333             for (node = ptr->children; node; node= node->next)
 334             {
 335                 if (node->type == XML_ELEMENT_NODE)
 336                     num_facets++;
 337             }
 338             facet_list = facet_list_create(o, num_facets);
 339             num_facets = 0;
 340             for (node = ptr->children; node; node= node->next)
 341             {
 342                 if (yaz_match_xsd_element(node, "facet"))
 343                 {
 344                     facet_list_field_set(
 345                         o, facet_list,
 346                         yaz_sru_proxy_decode_facet_field(o, node), num_facets);
 347                     num_facets++;
 348                 }
 349             }
 350             *facetList = facet_list;
 351             break;
 352         }
 353     }
 354     return 0;
 355 }
 356
 357
 358
 359 static int yaz_srw_decode_diagnostics(ODR o, xmlNodePtr pptr,
 360                                       Z_SRW_diagnostic **recs, int *num,
 361                                       void *client_data, const char *ns)
 362 {
 363     int i;
 364     xmlNodePtr ptr;
 365     *num = 0;
 366     for (ptr = pptr; ptr; ptr = ptr->next)
 367     {
 368         if (ptr->type == XML_ELEMENT_NODE &&
 369             !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
 370             (*num)++;
 371     }
 372     if (!*num)
 373         return 1;
 374     *recs = (Z_SRW_diagnostic *) odr_malloc(o, *num * sizeof(**recs));
 375     for (i = 0; i < *num; i++)
 376     {
 377         (*recs)[i].uri = 0;
 378         (*recs)[i].details = 0;
 379         (*recs)[i].message = 0;
 380     }
 381     for (i = 0, ptr = pptr; ptr; ptr = ptr->next)
 382     {
 383         if (ptr->type == XML_ELEMENT_NODE &&
 384             !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
 385         {
 386             xmlNodePtr rptr;
 387             (*recs)[i].uri = 0;
 388             (*recs)[i].details = 0;
 389             (*recs)[i].message = 0;
 390             for (rptr = ptr->children; rptr; rptr = rptr->next)
 391             {
 392                 if (yaz_match_xsd_string(rptr, "uri", o, &(*recs)[i].uri))
 393                     ;
 394                 else if (yaz_match_xsd_string(rptr, "details", o,
 395                                               &(*recs)[i].details))
 396                     ;
 397                 else
 398                     yaz_match_xsd_string(rptr, "message", o,
 399                                          &(*recs)[i].message);
 400             }
 401             i++;
 402         }
 403     }
 404     return 0;
 405 }
 406
 407 int sru_decode_surrogate_diagnostics(const char *buf, size_t len,
 408                                      Z_SRW_diagnostic **diag,
 409                                      int *num, ODR odr)
 410 {
 411     int ret = 0;
 412     xmlDocPtr doc = xmlParseMemory(buf, len);
 413     if (doc)
 414     {
 415         xmlNodePtr ptr = xmlDocGetRootElement(doc);
 416         while (ptr && ptr->type != XML_ELEMENT_NODE)
 417             ptr = ptr->next;
 418         if (ptr && ptr->ns
 419             && !xmlStrcmp(ptr->ns->href,
 420                           BAD_CAST "http://www.loc.gov/zing/srw/diagnostic/"))
 421         {
 422             ret = yaz_srw_decode_diagnostics(odr, ptr, diag, num, 0, 0);
 423         }
 424         xmlFreeDoc(doc);
 425     }
 426     return ret;
 427 }
 428
 429 static int yaz_srw_diagnostics(ODR o, xmlNodePtr pptr, Z_SRW_diagnostic **recs,
 430                                int *num, void *client_data, const char *ns)
 431 {
 432     if (o->direction == ODR_DECODE)
 433     {
 434         return yaz_srw_decode_diagnostics(o, pptr->children, recs, num, client_data, ns);
 435     }
 436     else if (o->direction == ODR_ENCODE)
 437     {
 438         int i;
 439         xmlNsPtr ns_diag =
 440             xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1, BAD_CAST "diag" );
 441         for (i = 0; i < *num; i++)
 442         {
 443             const char *std_diag = "info:srw/diagnostic/1/";
 444             const char *ucp_diag = "info:srw/diagnostic/12/";
 445             xmlNodePtr rptr = xmlNewChild(pptr, ns_diag,
 446                                           BAD_CAST "diagnostic", 0);
 447             add_xsd_string(rptr, "uri", (*recs)[i].uri);
 448             if ((*recs)[i].message)
 449                 add_xsd_string(rptr, "message", (*recs)[i].message);
 450             else if ((*recs)[i].uri )
 451             {
 452                 if (!strncmp((*recs)[i].uri, std_diag, strlen(std_diag)))
 453                 {
 454                     int no = atoi((*recs)[i].uri + strlen(std_diag));
 455                     const char *message = yaz_diag_srw_str(no);
 456                     if (message)
 457                         add_xsd_string(rptr, "message", message);
 458                 }
 459                 else if (!strncmp((*recs)[i].uri, ucp_diag, strlen(ucp_diag)))
 460                 {
 461                     int no = atoi((*recs)[i].uri + strlen(ucp_diag));
 462                     const char *message = yaz_diag_sru_update_str(no);
 463                     if (message)
 464                         add_xsd_string(rptr, "message", message);
 465                 }
 466             }
 467             add_xsd_string(rptr, "details", (*recs)[i].details);
 468         }
 469     }
 470     return 0;
 471 }
 472
 473 static int yaz_srw_term(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm *term,
 474                         void *client_data, const char *ns)
 475 {
 476     if (o->direction == ODR_DECODE)
 477     {
 478         xmlNodePtr ptr;
 479         term->value = 0;
 480         term->numberOfRecords = 0;
 481         term->displayTerm = 0;
 482         term->whereInList = 0;
 483         for (ptr = pptr->children; ptr; ptr = ptr->next)
 484         {
 485             if (yaz_match_xsd_string(ptr, "value", o,  &term->value))
 486                 ;
 487             else if (yaz_match_xsd_integer(ptr, "numberOfRecords", o,
 488                                            &term->numberOfRecords))
 489                 ;
 490             else if (yaz_match_xsd_string(ptr, "displayTerm", o,
 491                                           &term->displayTerm))
 492                 ;
 493             else
 494                 yaz_match_xsd_string(ptr, "whereInList", o, &term->whereInList);
 495         }
 496     }
 497     else if (o->direction == ODR_ENCODE)
 498     {
 499         xmlNodePtr ptr = pptr;
 500         add_xsd_string(ptr, "value", term->value);
 501         add_xsd_integer(ptr, "numberOfRecords", term->numberOfRecords);
 502         add_xsd_string(ptr, "displayTerm", term->displayTerm);
 503         add_xsd_string(ptr, "whereInList", term->whereInList);
 504     }
 505     return 0;
 506 }
 507
 508 static int yaz_srw_terms(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm **terms,
 509                          int *num, void *client_data, const char *ns)
 510 {
 511     if (o->direction == ODR_DECODE)
 512     {
 513         int i;
 514         xmlNodePtr ptr;
 515         *num = 0;
 516         for (ptr = pptr->children; ptr; ptr = ptr->next)
 517         {
 518             if (ptr->type == XML_ELEMENT_NODE &&
 519                 !xmlStrcmp(ptr->name, BAD_CAST "term"))
 520                 (*num)++;
 521         }
 522         if (!*num)
 523             return 1;
 524         *terms = (Z_SRW_scanTerm *) odr_malloc(o, *num * sizeof(**terms));
 525         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
 526         {
 527             if (ptr->type == XML_ELEMENT_NODE &&
 528                 !xmlStrcmp(ptr->name, BAD_CAST "term"))
 529                 yaz_srw_term(o, ptr, (*terms)+i, client_data, ns);
 530         }
 531     }
 532     else if (o->direction == ODR_ENCODE)
 533     {
 534         int i;
 535         for (i = 0; i < *num; i++)
 536         {
 537             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "term", 0);
 538             yaz_srw_term(o, rptr, (*terms)+i, client_data, ns);
 539         }
 540     }
 541     return 0;
 542 }
 543
 544 int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
 545                   void *client_data, const char *ns)
 546 {
 547     xmlNodePtr pptr = (xmlNodePtr) vptr;
 548     if (o->direction == ODR_DECODE)
 549     {
 550         Z_SRW_PDU **p = handler_data;
 551         xmlNodePtr method = pptr->children;
 552         char *neg_version;
 553
 554         while (method && method->type == XML_TEXT_NODE)
 555             method = method->next;
 556
 557         if (!method)
 558             return -1;
 559         if (method->type != XML_ELEMENT_NODE)
 560             return -1;
 561
 562         *p = yaz_srw_get_core_v_2_0(o);
 563
 564         if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveRequest"))
 565         {
 566             xmlNodePtr ptr = method->children;
 567             Z_SRW_searchRetrieveRequest *req;
 568             char *recordPacking = 0;
 569             char *recordXMLEscaping = 0;
 570             const char *facetLimit = 0;
 571             const char *facetStart = 0;
 572             const char *facetSort = 0;
 573
 574             (*p)->which = Z_SRW_searchRetrieve_request;
 575             req = (*p)->u.request = (Z_SRW_searchRetrieveRequest *)
 576                 odr_malloc(o, sizeof(*req));
 577             req->queryType = "cql";
 578             req->query = 0;
 579             req->sort_type = Z_SRW_sort_type_none;
 580             req->sort.none = 0;
 581             req->startRecord = 0;
 582             req->maximumRecords = 0;
 583             req->recordSchema = 0;
 584             req->recordPacking = 0;
 585             req->packing = 0;
 586             req->recordXPath = 0;
 587             req->resultSetTTL = 0;
 588             req->stylesheet = 0;
 589             req->database = 0;
 590
 591             for (; ptr; ptr = ptr->next)
 592             {
 593                 if (yaz_match_xsd_string(ptr, "version", o,
 594                                      &(*p)->srw_version))
 595                     ;
 596                 else if (yaz_match_xsd_string(ptr, "queryType", o,
 597                                           &req->queryType))
 598                     ;
 599                 else if (yaz_match_xsd_string(ptr, "query", o,
 600                                           &req->query))
 601                     ;
 602                 else if (yaz_match_xsd_string(ptr, "pQuery", o,
 603                                           &req->query))
 604                     req->queryType = "pqf";
 605                 else if (yaz_match_xsd_string(ptr, "xQuery", o,
 606                                           &req->query))
 607                     req->queryType = "xcql";
 608                 else if (yaz_match_xsd_integer(ptr, "startRecord", o,
 609                                            &req->startRecord))
 610                     ;
 611                 else if (yaz_match_xsd_integer(ptr, "maximumRecords", o,
 612                                            &req->maximumRecords))
 613                     ;
 614                 else if (yaz_match_xsd_string(ptr, "recordPacking", o,
 615                                           &recordPacking))
 616                     ;
 617                 else if (yaz_match_xsd_string(ptr, "recordXMLEscaping", o,
 618                                           &recordXMLEscaping))
 619                     ;
 620                 else if (yaz_match_xsd_string(ptr, "recordSchema", o,
 621                                           &req->recordSchema))
 622                     ;
 623                 else if (yaz_match_xsd_string(ptr, "recordXPath", o,
 624                                           &req->recordXPath))
 625                     ;
 626                 else if (yaz_match_xsd_integer(ptr, "resultSetTTL", o,
 627                                            &req->resultSetTTL))
 628                     ;
 629                 else if (yaz_match_xsd_string(ptr, "sortKeys", o,
 630                                           &req->sort.sortKeys))
 631                     req->sort_type = Z_SRW_sort_type_sort;
 632                 else if (yaz_match_xsd_string(ptr, "stylesheet", o,
 633                                           &req->stylesheet))
 634                     ;
 635                 else if (yaz_match_xsd_string(ptr, "database", o,
 636                                               &req->database))
 637                     ;
 638                 else if (yaz_match_xsd_string(ptr, "facetLimit", o,
 639                                               (char**) &facetLimit))
 640                     ;
 641                 else if (yaz_match_xsd_string(ptr, "facetStart", o,
 642                                               (char**) &facetStart))
 643                     ;
 644                 else if (yaz_match_xsd_string(ptr, "facetSort", o,
 645                                               (char**) &facetSort))
 646                     ;
 647             }
 648             if (!req->query)
 649             {
 650                 /* should put proper diagnostic here */
 651                 return -1;
 652             }
 653             if (!strcmp((*p)->srw_version, "2.0"))
 654             {
 655                 req->recordPacking = recordXMLEscaping;
 656                 req->packing = recordPacking;
 657             }
 658             else
 659             {
 660                 req->recordPacking = recordPacking;
 661             }
 662             yaz_sru_facet_request(o, &req->facetList, &facetLimit, &facetStart,
 663                                   &facetSort);
 664         }
 665         else if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveResponse"))
 666         {
 667             xmlNodePtr ptr = method->children;
 668             Z_SRW_searchRetrieveResponse *res;
 669
 670             (*p)->which = Z_SRW_searchRetrieve_response;
 671             res = (*p)->u.response = (Z_SRW_searchRetrieveResponse *)
 672                 odr_malloc(o, sizeof(*res));
 673
 674             res->numberOfRecords = 0;
 675             res->resultCountPrecision = 0;
 676             res->resultSetId = 0;
 677             res->resultSetIdleTime = 0;
 678             res->records = 0;
 679             res->num_records = 0;
 680             res->diagnostics = 0;
 681             res->num_diagnostics = 0;
 682             res->nextRecordPosition = 0;
 683             res->facetList = 0;
 684             res->suggestions = 0;
 685
 686             for (; ptr; ptr = ptr->next)
 687             {
 688                 if (yaz_match_xsd_string(ptr, "version", o,
 689                                      &(*p)->srw_version))
 690                     ;
 691                 else if (yaz_match_xsd_XML_n(ptr, "extraResponseData", o,
 692                                          &(*p)->extraResponseData_buf,
 693                                          &(*p)->extraResponseData_len))
 694                     ;
 695                 else if (yaz_match_xsd_integer(ptr, "numberOfRecords", o,
 696                                            &res->numberOfRecords))
 697                     ;
 698                 else if (yaz_match_xsd_string(ptr, "resultCountPrecision", o,
 699                                            &res->resultCountPrecision))
 700                     ;
 701                 else if (yaz_match_xsd_string(ptr, "resultSetId", o,
 702                                           &res->resultSetId))
 703                     ;
 704                 else if (yaz_match_xsd_integer(ptr, "resultSetIdleTime", o,
 705                                            &res->resultSetIdleTime))
 706                     ;
 707                 else if (yaz_match_xsd_integer(ptr, "resultSetTTL", o,
 708                                            &res->resultSetIdleTime))
 709                     ;
 710                 else if (yaz_match_xsd_element(ptr, "records"))
 711                     yaz_srw_records(o, ptr, &res->records,
 712                                     &res->extra_records,
 713                                     &res->num_records, client_data, 0);
 714                 else if (yaz_match_xsd_integer(ptr, "nextRecordPosition", o,
 715                                            &res->nextRecordPosition))
 716                     ;
 717                 else if (yaz_match_xsd_element(ptr, "diagnostics"))
 718                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 719                                         &res->num_diagnostics,
 720                                         client_data, ns);
 721                 else if (yaz_match_xsd_element(ptr, "facet_analysis"))
 722                     yaz_sru_proxy_decode_facets(o, ptr, &res->facetList);
 723                 else if (yaz_match_xsd_element(ptr, "facetedResults"))
 724                     yaz_sru_facet_response(o, &res->facetList, ptr);
 725             }
 726         }
 727         else if (!xmlStrcmp(method->name, BAD_CAST "explainRequest"))
 728         {
 729             Z_SRW_explainRequest *req;
 730             xmlNodePtr ptr = method->children;
 731
 732             (*p)->which = Z_SRW_explain_request;
 733             req = (*p)->u.explain_request = (Z_SRW_explainRequest *)
 734                 odr_malloc(o, sizeof(*req));
 735             req->recordPacking = 0;
 736             req->packing = 0;
 737             req->database = 0;
 738             req->stylesheet = 0;
 739             for (; ptr; ptr = ptr->next)
 740             {
 741                 if (yaz_match_xsd_string(ptr, "version", o,
 742                                      &(*p)->srw_version))
 743                     ;
 744                 else if (yaz_match_xsd_XML_n(ptr, "extraResponseData", o,
 745                                          &(*p)->extraResponseData_buf,
 746                                          &(*p)->extraResponseData_len))
 747                     ;
 748                 else if (yaz_match_xsd_string(ptr, "stylesheet", o,
 749                                           &req->stylesheet))
 750                     ;
 751                 else if (yaz_match_xsd_string(ptr, "recordPacking", o,
 752                                           &req->recordPacking))
 753                     ;
 754                 else
 755                     yaz_match_xsd_string(ptr, "database", o, &req->database);
 756             }
 757         }
 758         else if (!xmlStrcmp(method->name, BAD_CAST "explainResponse"))
 759         {
 760             Z_SRW_explainResponse *res;
 761             xmlNodePtr ptr = method->children;
 762
 763             (*p)->which = Z_SRW_explain_response;
 764             res = (*p)->u.explain_response = (Z_SRW_explainResponse*)
 765                 odr_malloc(o, sizeof(*res));
 766             res->diagnostics = 0;
 767             res->num_diagnostics = 0;
 768             res->record.recordSchema = 0;
 769             res->record.recordData_buf = 0;
 770             res->record.recordData_len = 0;
 771             res->record.recordPosition = 0;
 772
 773             for (; ptr; ptr = ptr->next)
 774             {
 775                 if (yaz_match_xsd_string(ptr, "version", o,
 776                                      &(*p)->srw_version))
 777                     ;
 778                 else if (yaz_match_xsd_XML_n(ptr, "extraResponseData", o,
 779                                          &(*p)->extraResponseData_buf,
 780                                          &(*p)->extraResponseData_len))
 781                     ;
 782                 else if (yaz_match_xsd_element(ptr, "record"))
 783                     yaz_srw_record(o, ptr, &res->record, &res->extra_record,
 784                                    client_data, 0);
 785                 else if (yaz_match_xsd_element(ptr, "diagnostics"))
 786                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 787                                         &res->num_diagnostics,
 788                                         client_data, ns);
 789                 ;
 790             }
 791         }
 792         else if (!xmlStrcmp(method->name, BAD_CAST "scanRequest"))
 793         {
 794             Z_SRW_scanRequest *req;
 795             xmlNodePtr ptr = method->children;
 796
 797             (*p)->which = Z_SRW_scan_request;
 798             req = (*p)->u.scan_request = (Z_SRW_scanRequest *)
 799                 odr_malloc(o, sizeof(*req));
 800             req->queryType = "cql";
 801             req->scanClause = 0;
 802             req->responsePosition = 0;
 803             req->maximumTerms = 0;
 804             req->stylesheet = 0;
 805             req->database = 0;
 806
 807             for (; ptr; ptr = ptr->next)
 808             {
 809                 if (yaz_match_xsd_string(ptr, "version", o,
 810                                      &(*p)->srw_version))
 811                     ;
 812                 else if (yaz_match_xsd_XML_n(ptr, "extraResponseData", o,
 813                                          &(*p)->extraResponseData_buf,
 814                                          &(*p)->extraResponseData_len))
 815                     ;
 816                 else if (yaz_match_xsd_string(ptr, "scanClause", o,
 817                                           &req->scanClause))
 818                     ;
 819                 else if (yaz_match_xsd_string(ptr, "pScanClause", o,
 820                                           &req->scanClause))
 821                 {
 822                     req->queryType = "pqf";
 823                 }
 824                 else if (yaz_match_xsd_integer(ptr, "responsePosition", o,
 825                                            &req->responsePosition))
 826                     ;
 827                 else if (yaz_match_xsd_integer(ptr, "maximumTerms", o,
 828                                            &req->maximumTerms))
 829                     ;
 830                 else if (yaz_match_xsd_string(ptr, "stylesheet", o,
 831                                           &req->stylesheet))
 832                     ;
 833                 else
 834                     yaz_match_xsd_string(ptr, "database", o, &req->database);
 835             }
 836         }
 837         else if (!xmlStrcmp(method->name, BAD_CAST "scanResponse"))
 838         {
 839             Z_SRW_scanResponse *res;
 840             xmlNodePtr ptr = method->children;
 841
 842             (*p)->which = Z_SRW_scan_response;
 843             res = (*p)->u.scan_response = (Z_SRW_scanResponse *)
 844                 odr_malloc(o, sizeof(*res));
 845             res->terms = 0;
 846             res->num_terms = 0;
 847             res->diagnostics = 0;
 848             res->num_diagnostics = 0;
 849
 850             for (; ptr; ptr = ptr->next)
 851             {
 852                 if (yaz_match_xsd_string(ptr, "version", o,
 853                                      &(*p)->srw_version))
 854                     ;
 855                 else if (yaz_match_xsd_XML_n(ptr, "extraResponseData", o,
 856                                          &(*p)->extraResponseData_buf,
 857                                          &(*p)->extraResponseData_len))
 858                     ;
 859                 else if (yaz_match_xsd_element(ptr, "terms"))
 860                     yaz_srw_terms(o, ptr, &res->terms,
 861                                   &res->num_terms, client_data,
 862                                   ns);
 863                 else if (yaz_match_xsd_element(ptr, "diagnostics"))
 864                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 865                                         &res->num_diagnostics,
 866                                         client_data, ns);
 867             }
 868         }
 869         else
 870         {
 871             *p = 0;
 872             return -1;
 873         }
 874         neg_version = yaz_negotiate_sru_version((*p)->srw_version);
 875         if (neg_version)
 876             (*p)->srw_version = neg_version;
 877     }
 878     else if (o->direction == ODR_ENCODE)
 879     {
 880         Z_SRW_PDU **p = handler_data;
 881         xmlNsPtr ns_srw;
 882         xmlNodePtr ptr = 0;
 883         int version2 = !(*p)->srw_version ||
 884             strcmp((*p)->srw_version, "2.") > 0;
 885         if ((*p)->which == Z_SRW_searchRetrieve_request)
 886         {
 887             Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
 888             const char *queryType = req->queryType;
 889             if (version2)
 890                 ns = "http://docs.oasis-open.org/ns/search-ws/sruRequest";
 891             ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveRequest", 0);
 892             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 893             xmlSetNs(ptr, ns_srw);
 894
 895             add_xsd_string(ptr, "version", (*p)->srw_version);
 896             if (version2)
 897             {
 898                 if (queryType)
 899                     add_xsd_string(ptr, "queryType", queryType);
 900                 add_xsd_string(ptr, "query", req->query);
 901             }
 902             else
 903             {
 904                 if (!queryType || !strcmp(queryType, "cql"))
 905                     add_xsd_string(ptr, "query", req->query);
 906                 else if (!strcmp(queryType, "xcql"))
 907                     add_xsd_string(ptr, "xQuery", req->query);
 908                 else if (!strcmp(queryType, "pqf"))
 909                     add_xsd_string(ptr, "pQuery", req->query);
 910             }
 911             add_xsd_integer(ptr, "startRecord", req->startRecord);
 912             add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
 913             if (version2)
 914             {
 915                 add_xsd_string(ptr, "recordXMLEscaping", req->recordPacking);
 916                 add_xsd_string(ptr, "recordPacking", req->packing);
 917             }
 918             else
 919                 add_xsd_string(ptr, "recordPacking", req->recordPacking);
 920             add_xsd_string(ptr, "recordSchema", req->recordSchema);
 921             add_xsd_string(ptr, "recordXPath", req->recordXPath);
 922             add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
 923             switch (req->sort_type)
 924             {
 925             case Z_SRW_sort_type_none:
 926                 break;
 927             case Z_SRW_sort_type_sort:
 928                 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
 929                 break;
 930             case Z_SRW_sort_type_xSort:
 931                 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
 932                 break;
 933             }
 934             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 935             add_xsd_string(ptr, "database", req->database);
 936             {
 937                 const char *limit = 0;
 938                 const char *start = 0;
 939                 const char *sort = 0;
 940                 yaz_sru_facet_request(o, &req->facetList, &limit, &start,
 941                                       &sort);
 942                 add_xsd_string(ptr, "facetLimit", limit);
 943                 add_xsd_string(ptr, "facetStart", start);
 944                 add_xsd_string(ptr, "facetSort", sort);
 945             }
 946         }
 947         else if ((*p)->which == Z_SRW_searchRetrieve_response)
 948         {
 949             Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
 950             if (version2)
 951                 ns = "http://docs.oasis-open.org/ns/search-ws/sruResponse";
 952             ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveResponse", 0);
 953             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 954             xmlSetNs(ptr, ns_srw);
 955
 956             add_xsd_string(ptr, "version", (*p)->srw_version);
 957             add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
 958             add_xsd_string(ptr, "resultSetId", res->resultSetId);
 959             add_xsd_integer(ptr,
 960                             version2 ? "resultSetTTL" : "resultSetIdleTime" ,
 961                             res->resultSetIdleTime);
 962             if (res->num_records)
 963             {
 964                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "records", 0);
 965                 yaz_srw_records(o, rptr, &res->records, &res->extra_records,
 966                                 &res->num_records,
 967                                 client_data, version2);
 968             }
 969             add_xsd_integer(ptr, "nextRecordPosition",
 970                             res->nextRecordPosition);
 971             if (res->num_diagnostics)
 972             {
 973                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
 974                                               0);
 975                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 976                                     &res->num_diagnostics, client_data, ns);
 977             }
 978             if (res->resultCountPrecision)
 979                 add_xsd_string(ptr, "resultCountPrecision",
 980                                res->resultCountPrecision);
 981             yaz_sru_facet_response(o, &res->facetList, ptr);
 982         }
 983         else if ((*p)->which == Z_SRW_explain_request)
 984         {
 985             Z_SRW_explainRequest *req = (*p)->u.explain_request;
 986             ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest", 0);
 987             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 988             xmlSetNs(ptr, ns_srw);
 989
 990             add_xsd_string(ptr, "version", (*p)->srw_version);
 991             if (version2)
 992             {
 993                 add_xsd_string(ptr, "recordXMLEscaping", req->recordPacking);
 994                 add_xsd_string(ptr, "recordPacking", req->packing);
 995             }
 996             else
 997                 add_xsd_string(ptr, "recordPacking", req->recordPacking);
 998             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 999             add_xsd_string(ptr, "database", req->database);
1000         }
1001         else if ((*p)->which == Z_SRW_explain_response)
1002         {
1003             Z_SRW_explainResponse *res = (*p)->u.explain_response;
1004             ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse", 0);
1005             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1006             xmlSetNs(ptr, ns_srw);
1007
1008             add_xsd_string(ptr, "version", (*p)->srw_version);
1009             if (1)
1010             {
1011                 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1012                 yaz_srw_record(o, ptr1, &res->record, &res->extra_record,
1013                                client_data, version2);
1014             }
1015             if (res->num_diagnostics)
1016             {
1017                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1018                                               0);
1019                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1020                                     &res->num_diagnostics, client_data, ns);
1021             }
1022         }
1023         else if ((*p)->which == Z_SRW_scan_request)
1024         {
1025             Z_SRW_scanRequest *req = (*p)->u.scan_request;
1026             const char *queryType = req->queryType;
1027             if (version2)
1028                 ns = "http://docs.oasis-open.org/ns/search-ws/scan";
1029             ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
1030             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1031             xmlSetNs(ptr, ns_srw);
1032
1033             add_xsd_string(ptr, "version", (*p)->srw_version);
1034
1035             if (version2)
1036             {
1037                 if (queryType && strcmp(queryType, "cql"))
1038                     add_xsd_string(ptr, "queryType", queryType);
1039                 add_xsd_string(ptr, "scanClause", req->scanClause);
1040             }
1041             else
1042             {
1043                 if (!queryType || !strcmp(queryType, "cql"))
1044                     add_xsd_string(ptr, "scanClause", req->scanClause);
1045                 else if (!strcmp(queryType, "pqf"))
1046                     add_xsd_string(ptr, "pScanClause", req->scanClause);
1047             }
1048             add_xsd_integer(ptr, "responsePosition", req->responsePosition);
1049             add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
1050             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1051             add_xsd_string(ptr, "database", req->database);
1052         }
1053         else if ((*p)->which == Z_SRW_scan_response)
1054         {
1055             Z_SRW_scanResponse *res = (*p)->u.scan_response;
1056             if (version2)
1057                 ns = "http://docs.oasis-open.org/ns/search-ws/scan";
1058             ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
1059             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1060             xmlSetNs(ptr, ns_srw);
1061
1062             add_xsd_string(ptr, "version", (*p)->srw_version);
1063             if (res->num_terms)
1064             {
1065                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "terms", 0);
1066                 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
1067                               client_data, ns);
1068             }
1069             if (res->num_diagnostics)
1070             {
1071                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1072                                               0);
1073                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1074                                     &res->num_diagnostics, client_data, ns);
1075             }
1076         }
1077         else
1078             return -1;
1079         if (ptr && (*p)->extraResponseData_len)
1080             add_XML_n(ptr, "extraResponseData",
1081                       (*p)->extraResponseData_buf,
1082                       (*p)->extraResponseData_len, ns_srw);
1083
1084
1085     }
1086     return 0;
1087 }
1088
1089 int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
1090                   void *client_data, const char *ns_ucp_str)
1091 {
1092     xmlNodePtr pptr = (xmlNodePtr) vptr;
1093     const char *ns_srw_str = YAZ_XMLNS_SRU_v1_1;
1094     if (o->direction == ODR_DECODE)
1095     {
1096         Z_SRW_PDU **p = handler_data;
1097         xmlNodePtr method = pptr->children;
1098
1099         while (method && method->type == XML_TEXT_NODE)
1100             method = method->next;
1101
1102         if (!method)
1103             return -1;
1104         if (method->type != XML_ELEMENT_NODE)
1105             return -1;
1106
1107         *p = yaz_srw_get_core_v_2_0(o);
1108
1109         if (!xmlStrcmp(method->name, BAD_CAST "updateRequest"))
1110         {
1111             xmlNodePtr ptr = method->children;
1112             Z_SRW_updateRequest *req;
1113             char *oper = 0;
1114
1115             (*p)->which = Z_SRW_update_request;
1116             req = (*p)->u.update_request = (Z_SRW_updateRequest *)
1117                 odr_malloc(o, sizeof(*req));
1118             req->database = 0;
1119             req->operation = 0;
1120             req->recordId = 0;
1121             req->recordVersions = 0;
1122             req->num_recordVersions = 0;
1123             req->record = 0;
1124             req->extra_record = 0;
1125             req->extraRequestData_buf = 0;
1126             req->extraRequestData_len = 0;
1127             req->stylesheet = 0;
1128
1129             for (; ptr; ptr = ptr->next)
1130             {
1131                 if (yaz_match_xsd_string(ptr, "version", o,
1132                                      &(*p)->srw_version))
1133                     ;
1134                 else if (yaz_match_xsd_string(ptr, "action", o,
1135                                           &oper)){
1136                     if (oper)
1137                     {
1138                         if (!strcmp(oper, "info:srw/action/1/delete"))
1139                             req->operation = "delete";
1140                         else if (!strcmp(oper,"info:srw/action/1/replace" ))
1141                             req->operation = "replace";
1142                         else if (!strcmp(oper, "info:srw/action/1/create"))
1143                             req->operation = "insert";
1144                     }
1145                 }
1146                 else if (yaz_match_xsd_string(ptr, "recordIdentifier", o,
1147                                           &req->recordId))
1148                     ;
1149                 else if (yaz_match_xsd_element(ptr, "recordVersions" ) )
1150                     yaz_srw_versions( o, ptr, &req->recordVersions,
1151                                       &req->num_recordVersions, client_data,
1152                                       ns_ucp_str);
1153                 else if (yaz_match_xsd_element(ptr, "record"))
1154                 {
1155                     req->record = yaz_srw_get_record(o);
1156                     yaz_srw_record(o, ptr, req->record, &req->extra_record,
1157                                    client_data, 0);
1158                 }
1159                 else if (yaz_match_xsd_string(ptr, "stylesheet", o,
1160                                           &req->stylesheet))
1161                     ;
1162                 else
1163                     yaz_match_xsd_string(ptr, "database", o, &req->database);
1164             }
1165         }
1166         else if (!xmlStrcmp(method->name, BAD_CAST "updateResponse"))
1167         {
1168             xmlNodePtr ptr = method->children;
1169             Z_SRW_updateResponse *res;
1170
1171             (*p)->which = Z_SRW_update_response;
1172             res = (*p)->u.update_response = (Z_SRW_updateResponse *)
1173                 odr_malloc(o, sizeof(*res));
1174
1175             res->operationStatus = 0;
1176             res->recordId = 0;
1177             res->recordVersions = 0;
1178             res->num_recordVersions = 0;
1179             res->diagnostics = 0;
1180             res->num_diagnostics = 0;
1181             res->record = 0;
1182             res->extra_record = 0;
1183             res->extraResponseData_buf = 0;
1184             res->extraResponseData_len = 0;
1185
1186             for (; ptr; ptr = ptr->next)
1187             {
1188                 if (yaz_match_xsd_string(ptr, "version", o,
1189                                      &(*p)->srw_version))
1190                     ;
1191                 else if (yaz_match_xsd_string(ptr, "operationStatus", o,
1192                                           &res->operationStatus ))
1193                     ;
1194                 else if (yaz_match_xsd_string(ptr, "recordIdentifier", o,
1195                                           &res->recordId))
1196                     ;
1197                 else if (yaz_match_xsd_element(ptr, "recordVersions" ))
1198                     yaz_srw_versions(o, ptr, &res->recordVersions,
1199                                      &res->num_recordVersions,
1200                                      client_data, ns_ucp_str);
1201                 else if (yaz_match_xsd_element(ptr, "record"))
1202                 {
1203                     res->record = yaz_srw_get_record(o);
1204                     yaz_srw_record(o, ptr, res->record, &res->extra_record,
1205                                    client_data, 0);
1206                 }
1207                 else if (yaz_match_xsd_element(ptr, "diagnostics"))
1208                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1209                                         &res->num_diagnostics,
1210                                         client_data, ns_ucp_str);
1211             }
1212         }
1213         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateRequest"))
1214         {
1215         }
1216         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateResponse"))
1217         {
1218         }
1219         else
1220         {
1221             *p = 0;
1222             return -1;
1223         }
1224     }
1225     else if (o->direction == ODR_ENCODE)
1226     {
1227         Z_SRW_PDU **p = handler_data;
1228         xmlNsPtr ns_ucp, ns_srw;
1229
1230         if ((*p)->which == Z_SRW_update_request)
1231         {
1232             Z_SRW_updateRequest *req = (*p)->u.update_request;
1233             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "updateRequest", 0);
1234             ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1235             xmlSetNs(ptr, ns_ucp);
1236             ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1237
1238             add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1239             add_xsd_string(ptr, "action", req->operation);
1240             add_xsd_string(ptr, "recordIdentifier", req->recordId );
1241             if (req->recordVersions)
1242                 yaz_srw_versions( o, ptr, &req->recordVersions,
1243                                   &req->num_recordVersions,
1244                                   client_data, ns_ucp_str);
1245             if (req->record && req->record->recordData_len)
1246             {
1247                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1248                 xmlSetNs(rptr, ns_srw);
1249                 yaz_srw_record(o, rptr, req->record, &req->extra_record,
1250                                client_data, 0);
1251             }
1252             if (req->extraRequestData_len)
1253             {
1254                 add_XML_n(ptr, "extraRequestData",
1255                           req->extraRequestData_buf,
1256                           req->extraRequestData_len, ns_srw);
1257             }
1258             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1259             add_xsd_string(ptr, "database", req->database);
1260         }
1261         else if ((*p)->which == Z_SRW_update_response)
1262         {
1263             Z_SRW_updateResponse *res = (*p)->u.update_response;
1264             xmlNodePtr ptr = xmlNewChild(pptr, 0, (xmlChar *)
1265                                          "updateResponse", 0);
1266             ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1267             xmlSetNs(ptr, ns_ucp);
1268             ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1269
1270             add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1271             add_xsd_string(ptr, "operationStatus", res->operationStatus );
1272             add_xsd_string(ptr, "recordIdentifier", res->recordId );
1273             if (res->recordVersions)
1274                 yaz_srw_versions(o, ptr, &res->recordVersions,
1275                                  &res->num_recordVersions,
1276                                  client_data, ns_ucp_str);
1277             if (res->record && res->record->recordData_len)
1278             {
1279                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1280                 xmlSetNs(rptr, ns_srw);
1281                 yaz_srw_record(o, rptr, res->record, &res->extra_record,
1282                                client_data, 0);
1283             }
1284             if (res->num_diagnostics)
1285             {
1286                 xmlNsPtr ns_diag =
1287                     xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1,
1288                              BAD_CAST "diag" );
1289
1290                 xmlNodePtr rptr = xmlNewChild(ptr, ns_diag, BAD_CAST "diagnostics", 0);
1291                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1292                                     &res->num_diagnostics, client_data,
1293                                     ns_ucp_str);
1294             }
1295             if (res->extraResponseData_len)
1296                 add_XML_n(ptr, "extraResponseData",
1297                           res->extraResponseData_buf,
1298                           res->extraResponseData_len, ns_srw);
1299         }
1300         else
1301             return -1;
1302     }
1303     return 0;
1304 }
1305
1306 #endif
1307
1308
1309 /*
1310  * Local variables:
1311  * c-basic-offset: 4
1312  * c-file-style: "Stroustrup"
1313  * indent-tabs-mode: nil
1314  * End:
1315  * vim: shiftwidth=4 tabstop=8 expandtab
1316  */
1317