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
 572             (*p)->which = Z_SRW_searchRetrieve_request;
 573             req = (*p)->u.request = (Z_SRW_searchRetrieveRequest *)
 574                 odr_malloc(o, sizeof(*req));
 575             req->queryType = "cql";
 576             req->query = 0;
 577             req->sort_type = Z_SRW_sort_type_none;
 578             req->sort.none = 0;
 579             req->startRecord = 0;
 580             req->maximumRecords = 0;
 581             req->recordSchema = 0;
 582             req->recordPacking = 0;
 583             req->packing = 0;
 584             req->recordXPath = 0;
 585             req->resultSetTTL = 0;
 586             req->stylesheet = 0;
 587             req->database = 0;
 588
 589             for (; ptr; ptr = ptr->next)
 590             {
 591                 if (yaz_match_xsd_string(ptr, "version", o,
 592                                      &(*p)->srw_version))
 593                     ;
 594                 else if (yaz_match_xsd_string(ptr, "queryType", o,
 595                                           &req->queryType))
 596                     ;
 597                 else if (yaz_match_xsd_string(ptr, "query", o,
 598                                           &req->query))
 599                     ;
 600                 else if (yaz_match_xsd_string(ptr, "pQuery", o,
 601                                           &req->query))
 602                     req->queryType = "pqf";
 603                 else if (yaz_match_xsd_string(ptr, "xQuery", o,
 604                                           &req->query))
 605                     req->queryType = "xcql";
 606                 else if (yaz_match_xsd_integer(ptr, "startRecord", o,
 607                                            &req->startRecord))
 608                     ;
 609                 else if (yaz_match_xsd_integer(ptr, "maximumRecords", o,
 610                                            &req->maximumRecords))
 611                     ;
 612                 else if (yaz_match_xsd_string(ptr, "recordPacking", o,
 613                                           &recordPacking))
 614                     ;
 615                 else if (yaz_match_xsd_string(ptr, "recordXMLEscaping", o,
 616                                           &recordXMLEscaping))
 617                     ;
 618                 else if (yaz_match_xsd_string(ptr, "recordSchema", o,
 619                                           &req->recordSchema))
 620                     ;
 621                 else if (yaz_match_xsd_string(ptr, "recordXPath", o,
 622                                           &req->recordXPath))
 623                     ;
 624                 else if (yaz_match_xsd_integer(ptr, "resultSetTTL", o,
 625                                            &req->resultSetTTL))
 626                     ;
 627                 else if (yaz_match_xsd_string(ptr, "sortKeys", o,
 628                                           &req->sort.sortKeys))
 629                     req->sort_type = Z_SRW_sort_type_sort;
 630                 else if (yaz_match_xsd_string(ptr, "stylesheet", o,
 631                                           &req->stylesheet))
 632                     ;
 633                 else if (yaz_match_xsd_string(ptr, "database", o, &req->database))
 634                     ;
 635                 else if (yaz_match_xsd_string(ptr, "facetLimit", o,
 636                                           (char**) &facetLimit))
 637                     ;
 638             }
 639             if (!req->query)
 640             {
 641                 /* should put proper diagnostic here */
 642                 return -1;
 643             }
 644             if (!strcmp((*p)->srw_version, "2.0"))
 645             {
 646                 req->recordPacking = recordXMLEscaping;
 647                 req->packing = recordPacking;
 648             }
 649             else
 650             {
 651                 req->recordPacking = recordPacking;
 652             }
 653             yaz_sru_facet_request(o, &req->facetList, &facetLimit);
 654         }
 655         else if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveResponse"))
 656         {
 657             xmlNodePtr ptr = method->children;
 658             Z_SRW_searchRetrieveResponse *res;
 659
 660             (*p)->which = Z_SRW_searchRetrieve_response;
 661             res = (*p)->u.response = (Z_SRW_searchRetrieveResponse *)
 662                 odr_malloc(o, sizeof(*res));
 663
 664             res->numberOfRecords = 0;
 665             res->resultCountPrecision = 0;
 666             res->resultSetId = 0;
 667             res->resultSetIdleTime = 0;
 668             res->records = 0;
 669             res->num_records = 0;
 670             res->diagnostics = 0;
 671             res->num_diagnostics = 0;
 672             res->nextRecordPosition = 0;
 673             res->facetList = 0;
 674             res->suggestions = 0;
 675
 676             for (; ptr; ptr = ptr->next)
 677             {
 678                 if (yaz_match_xsd_string(ptr, "version", o,
 679                                      &(*p)->srw_version))
 680                     ;
 681                 else if (yaz_match_xsd_XML_n(ptr, "extraResponseData", o,
 682                                          &(*p)->extraResponseData_buf,
 683                                          &(*p)->extraResponseData_len))
 684                     ;
 685                 else if (yaz_match_xsd_integer(ptr, "numberOfRecords", o,
 686                                            &res->numberOfRecords))
 687                     ;
 688                 else if (yaz_match_xsd_string(ptr, "resultCountPrecision", o,
 689                                            &res->resultCountPrecision))
 690                     ;
 691                 else if (yaz_match_xsd_string(ptr, "resultSetId", o,
 692                                           &res->resultSetId))
 693                     ;
 694                 else if (yaz_match_xsd_integer(ptr, "resultSetIdleTime", o,
 695                                            &res->resultSetIdleTime))
 696                     ;
 697                 else if (yaz_match_xsd_integer(ptr, "resultSetTTL", o,
 698                                            &res->resultSetIdleTime))
 699                     ;
 700                 else if (yaz_match_xsd_element(ptr, "records"))
 701                     yaz_srw_records(o, ptr, &res->records,
 702                                     &res->extra_records,
 703                                     &res->num_records, client_data, 0);
 704                 else if (yaz_match_xsd_integer(ptr, "nextRecordPosition", o,
 705                                            &res->nextRecordPosition))
 706                     ;
 707                 else if (yaz_match_xsd_element(ptr, "diagnostics"))
 708                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 709                                         &res->num_diagnostics,
 710                                         client_data, ns);
 711                 else if (yaz_match_xsd_element(ptr, "facet_analysis"))
 712                     yaz_sru_proxy_decode_facets(o, ptr, &res->facetList);
 713                 else if (yaz_match_xsd_element(ptr, "facetedResults"))
 714                     yaz_sru_facet_response(o, &res->facetList, ptr);
 715             }
 716         }
 717         else if (!xmlStrcmp(method->name, BAD_CAST "explainRequest"))
 718         {
 719             Z_SRW_explainRequest *req;
 720             xmlNodePtr ptr = method->children;
 721
 722             (*p)->which = Z_SRW_explain_request;
 723             req = (*p)->u.explain_request = (Z_SRW_explainRequest *)
 724                 odr_malloc(o, sizeof(*req));
 725             req->recordPacking = 0;
 726             req->packing = 0;
 727             req->database = 0;
 728             req->stylesheet = 0;
 729             for (; ptr; ptr = ptr->next)
 730             {
 731                 if (yaz_match_xsd_string(ptr, "version", o,
 732                                      &(*p)->srw_version))
 733                     ;
 734                 else if (yaz_match_xsd_XML_n(ptr, "extraResponseData", o,
 735                                          &(*p)->extraResponseData_buf,
 736                                          &(*p)->extraResponseData_len))
 737                     ;
 738                 else if (yaz_match_xsd_string(ptr, "stylesheet", o,
 739                                           &req->stylesheet))
 740                     ;
 741                 else if (yaz_match_xsd_string(ptr, "recordPacking", o,
 742                                           &req->recordPacking))
 743                     ;
 744                 else
 745                     yaz_match_xsd_string(ptr, "database", o, &req->database);
 746             }
 747         }
 748         else if (!xmlStrcmp(method->name, BAD_CAST "explainResponse"))
 749         {
 750             Z_SRW_explainResponse *res;
 751             xmlNodePtr ptr = method->children;
 752
 753             (*p)->which = Z_SRW_explain_response;
 754             res = (*p)->u.explain_response = (Z_SRW_explainResponse*)
 755                 odr_malloc(o, sizeof(*res));
 756             res->diagnostics = 0;
 757             res->num_diagnostics = 0;
 758             res->record.recordSchema = 0;
 759             res->record.recordData_buf = 0;
 760             res->record.recordData_len = 0;
 761             res->record.recordPosition = 0;
 762
 763             for (; ptr; ptr = ptr->next)
 764             {
 765                 if (yaz_match_xsd_string(ptr, "version", o,
 766                                      &(*p)->srw_version))
 767                     ;
 768                 else if (yaz_match_xsd_XML_n(ptr, "extraResponseData", o,
 769                                          &(*p)->extraResponseData_buf,
 770                                          &(*p)->extraResponseData_len))
 771                     ;
 772                 else if (yaz_match_xsd_element(ptr, "record"))
 773                     yaz_srw_record(o, ptr, &res->record, &res->extra_record,
 774                                    client_data, 0);
 775                 else if (yaz_match_xsd_element(ptr, "diagnostics"))
 776                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 777                                         &res->num_diagnostics,
 778                                         client_data, ns);
 779                 ;
 780             }
 781         }
 782         else if (!xmlStrcmp(method->name, BAD_CAST "scanRequest"))
 783         {
 784             Z_SRW_scanRequest *req;
 785             xmlNodePtr ptr = method->children;
 786
 787             (*p)->which = Z_SRW_scan_request;
 788             req = (*p)->u.scan_request = (Z_SRW_scanRequest *)
 789                 odr_malloc(o, sizeof(*req));
 790             req->queryType = "cql";
 791             req->scanClause = 0;
 792             req->responsePosition = 0;
 793             req->maximumTerms = 0;
 794             req->stylesheet = 0;
 795             req->database = 0;
 796
 797             for (; ptr; ptr = ptr->next)
 798             {
 799                 if (yaz_match_xsd_string(ptr, "version", o,
 800                                      &(*p)->srw_version))
 801                     ;
 802                 else if (yaz_match_xsd_XML_n(ptr, "extraResponseData", o,
 803                                          &(*p)->extraResponseData_buf,
 804                                          &(*p)->extraResponseData_len))
 805                     ;
 806                 else if (yaz_match_xsd_string(ptr, "scanClause", o,
 807                                           &req->scanClause))
 808                     ;
 809                 else if (yaz_match_xsd_string(ptr, "pScanClause", o,
 810                                           &req->scanClause))
 811                 {
 812                     req->queryType = "pqf";
 813                 }
 814                 else if (yaz_match_xsd_integer(ptr, "responsePosition", o,
 815                                            &req->responsePosition))
 816                     ;
 817                 else if (yaz_match_xsd_integer(ptr, "maximumTerms", o,
 818                                            &req->maximumTerms))
 819                     ;
 820                 else if (yaz_match_xsd_string(ptr, "stylesheet", o,
 821                                           &req->stylesheet))
 822                     ;
 823                 else
 824                     yaz_match_xsd_string(ptr, "database", o, &req->database);
 825             }
 826         }
 827         else if (!xmlStrcmp(method->name, BAD_CAST "scanResponse"))
 828         {
 829             Z_SRW_scanResponse *res;
 830             xmlNodePtr ptr = method->children;
 831
 832             (*p)->which = Z_SRW_scan_response;
 833             res = (*p)->u.scan_response = (Z_SRW_scanResponse *)
 834                 odr_malloc(o, sizeof(*res));
 835             res->terms = 0;
 836             res->num_terms = 0;
 837             res->diagnostics = 0;
 838             res->num_diagnostics = 0;
 839
 840             for (; ptr; ptr = ptr->next)
 841             {
 842                 if (yaz_match_xsd_string(ptr, "version", o,
 843                                      &(*p)->srw_version))
 844                     ;
 845                 else if (yaz_match_xsd_XML_n(ptr, "extraResponseData", o,
 846                                          &(*p)->extraResponseData_buf,
 847                                          &(*p)->extraResponseData_len))
 848                     ;
 849                 else if (yaz_match_xsd_element(ptr, "terms"))
 850                     yaz_srw_terms(o, ptr, &res->terms,
 851                                   &res->num_terms, client_data,
 852                                   ns);
 853                 else if (yaz_match_xsd_element(ptr, "diagnostics"))
 854                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 855                                         &res->num_diagnostics,
 856                                         client_data, ns);
 857             }
 858         }
 859         else
 860         {
 861             *p = 0;
 862             return -1;
 863         }
 864         neg_version = yaz_negotiate_sru_version((*p)->srw_version);
 865         if (neg_version)
 866             (*p)->srw_version = neg_version;
 867     }
 868     else if (o->direction == ODR_ENCODE)
 869     {
 870         Z_SRW_PDU **p = handler_data;
 871         xmlNsPtr ns_srw;
 872         xmlNodePtr ptr = 0;
 873         int version2 = !(*p)->srw_version ||
 874             strcmp((*p)->srw_version, "2.") > 0;
 875         if ((*p)->which == Z_SRW_searchRetrieve_request)
 876         {
 877             Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
 878             const char *queryType = req->queryType;
 879             if (version2)
 880                 ns = "http://docs.oasis-open.org/ns/search-ws/sruRequest";
 881             ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveRequest", 0);
 882             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 883             xmlSetNs(ptr, ns_srw);
 884
 885             add_xsd_string(ptr, "version", (*p)->srw_version);
 886             if (version2)
 887             {
 888                 if (queryType)
 889                     add_xsd_string(ptr, "queryType", queryType);
 890                 add_xsd_string(ptr, "query", req->query);
 891             }
 892             else
 893             {
 894                 if (!queryType || !strcmp(queryType, "cql"))
 895                     add_xsd_string(ptr, "query", req->query);
 896                 else if (!strcmp(queryType, "xcql"))
 897                     add_xsd_string(ptr, "xQuery", req->query);
 898                 else if (!strcmp(queryType, "pqf"))
 899                     add_xsd_string(ptr, "pQuery", req->query);
 900             }
 901             add_xsd_integer(ptr, "startRecord", req->startRecord);
 902             add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
 903             if (version2)
 904             {
 905                 add_xsd_string(ptr, "recordXMLEscaping", req->recordPacking);
 906                 add_xsd_string(ptr, "recordPacking", req->packing);
 907             }
 908             else
 909                 add_xsd_string(ptr, "recordPacking", req->recordPacking);
 910             add_xsd_string(ptr, "recordSchema", req->recordSchema);
 911             add_xsd_string(ptr, "recordXPath", req->recordXPath);
 912             add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
 913             switch (req->sort_type)
 914             {
 915             case Z_SRW_sort_type_none:
 916                 break;
 917             case Z_SRW_sort_type_sort:
 918                 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
 919                 break;
 920             case Z_SRW_sort_type_xSort:
 921                 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
 922                 break;
 923             }
 924             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 925             add_xsd_string(ptr, "database", req->database);
 926             {
 927                 const char *limit = 0;
 928                 yaz_sru_facet_request(o, &req->facetList, &limit);
 929                 add_xsd_string(ptr, "facetLimit", limit);
 930             }
 931         }
 932         else if ((*p)->which == Z_SRW_searchRetrieve_response)
 933         {
 934             Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
 935             if (version2)
 936                 ns = "http://docs.oasis-open.org/ns/search-ws/sruResponse";
 937             ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveResponse", 0);
 938             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 939             xmlSetNs(ptr, ns_srw);
 940
 941             add_xsd_string(ptr, "version", (*p)->srw_version);
 942             add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
 943             add_xsd_string(ptr, "resultSetId", res->resultSetId);
 944             add_xsd_integer(ptr,
 945                             version2 ? "resultSetTTL" : "resultSetIdleTime" ,
 946                             res->resultSetIdleTime);
 947             if (res->num_records)
 948             {
 949                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "records", 0);
 950                 yaz_srw_records(o, rptr, &res->records, &res->extra_records,
 951                                 &res->num_records,
 952                                 client_data, version2);
 953             }
 954             add_xsd_integer(ptr, "nextRecordPosition",
 955                             res->nextRecordPosition);
 956             if (res->num_diagnostics)
 957             {
 958                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
 959                                               0);
 960                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 961                                     &res->num_diagnostics, client_data, ns);
 962             }
 963             if (res->resultCountPrecision)
 964                 add_xsd_string(ptr, "resultCountPrecision",
 965                                res->resultCountPrecision);
 966             yaz_sru_facet_response(o, &res->facetList, ptr);
 967         }
 968         else if ((*p)->which == Z_SRW_explain_request)
 969         {
 970             Z_SRW_explainRequest *req = (*p)->u.explain_request;
 971             ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest", 0);
 972             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 973             xmlSetNs(ptr, ns_srw);
 974
 975             add_xsd_string(ptr, "version", (*p)->srw_version);
 976             if (version2)
 977             {
 978                 add_xsd_string(ptr, "recordXMLEscaping", req->recordPacking);
 979                 add_xsd_string(ptr, "recordPacking", req->packing);
 980             }
 981             else
 982                 add_xsd_string(ptr, "recordPacking", req->recordPacking);
 983             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 984             add_xsd_string(ptr, "database", req->database);
 985         }
 986         else if ((*p)->which == Z_SRW_explain_response)
 987         {
 988             Z_SRW_explainResponse *res = (*p)->u.explain_response;
 989             ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse", 0);
 990             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 991             xmlSetNs(ptr, ns_srw);
 992
 993             add_xsd_string(ptr, "version", (*p)->srw_version);
 994             if (1)
 995             {
 996                 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
 997                 yaz_srw_record(o, ptr1, &res->record, &res->extra_record,
 998                                client_data, version2);
 999             }
1000             if (res->num_diagnostics)
1001             {
1002                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1003                                               0);
1004                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1005                                     &res->num_diagnostics, client_data, ns);
1006             }
1007         }
1008         else if ((*p)->which == Z_SRW_scan_request)
1009         {
1010             Z_SRW_scanRequest *req = (*p)->u.scan_request;
1011             const char *queryType = req->queryType;
1012             if (version2)
1013                 ns = "http://docs.oasis-open.org/ns/search-ws/scan";
1014             ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
1015             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1016             xmlSetNs(ptr, ns_srw);
1017
1018             add_xsd_string(ptr, "version", (*p)->srw_version);
1019
1020             if (version2)
1021             {
1022                 if (queryType && strcmp(queryType, "cql"))
1023                     add_xsd_string(ptr, "queryType", queryType);
1024                 add_xsd_string(ptr, "scanClause", req->scanClause);
1025             }
1026             else
1027             {
1028                 if (!queryType || !strcmp(queryType, "cql"))
1029                     add_xsd_string(ptr, "scanClause", req->scanClause);
1030                 else if (!strcmp(queryType, "pqf"))
1031                     add_xsd_string(ptr, "pScanClause", req->scanClause);
1032             }
1033             add_xsd_integer(ptr, "responsePosition", req->responsePosition);
1034             add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
1035             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1036             add_xsd_string(ptr, "database", req->database);
1037         }
1038         else if ((*p)->which == Z_SRW_scan_response)
1039         {
1040             Z_SRW_scanResponse *res = (*p)->u.scan_response;
1041             if (version2)
1042                 ns = "http://docs.oasis-open.org/ns/search-ws/scan";
1043             ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
1044             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1045             xmlSetNs(ptr, ns_srw);
1046
1047             add_xsd_string(ptr, "version", (*p)->srw_version);
1048             if (res->num_terms)
1049             {
1050                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "terms", 0);
1051                 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
1052                               client_data, ns);
1053             }
1054             if (res->num_diagnostics)
1055             {
1056                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1057                                               0);
1058                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1059                                     &res->num_diagnostics, client_data, ns);
1060             }
1061         }
1062         else
1063             return -1;
1064         if (ptr && (*p)->extraResponseData_len)
1065             add_XML_n(ptr, "extraResponseData",
1066                       (*p)->extraResponseData_buf,
1067                       (*p)->extraResponseData_len, ns_srw);
1068
1069
1070     }
1071     return 0;
1072 }
1073
1074 int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
1075                   void *client_data, const char *ns_ucp_str)
1076 {
1077     xmlNodePtr pptr = (xmlNodePtr) vptr;
1078     const char *ns_srw_str = YAZ_XMLNS_SRU_v1_1;
1079     if (o->direction == ODR_DECODE)
1080     {
1081         Z_SRW_PDU **p = handler_data;
1082         xmlNodePtr method = pptr->children;
1083
1084         while (method && method->type == XML_TEXT_NODE)
1085             method = method->next;
1086
1087         if (!method)
1088             return -1;
1089         if (method->type != XML_ELEMENT_NODE)
1090             return -1;
1091
1092         *p = yaz_srw_get_core_v_2_0(o);
1093
1094         if (!xmlStrcmp(method->name, BAD_CAST "updateRequest"))
1095         {
1096             xmlNodePtr ptr = method->children;
1097             Z_SRW_updateRequest *req;
1098             char *oper = 0;
1099
1100             (*p)->which = Z_SRW_update_request;
1101             req = (*p)->u.update_request = (Z_SRW_updateRequest *)
1102                 odr_malloc(o, sizeof(*req));
1103             req->database = 0;
1104             req->operation = 0;
1105             req->recordId = 0;
1106             req->recordVersions = 0;
1107             req->num_recordVersions = 0;
1108             req->record = 0;
1109             req->extra_record = 0;
1110             req->extraRequestData_buf = 0;
1111             req->extraRequestData_len = 0;
1112             req->stylesheet = 0;
1113
1114             for (; ptr; ptr = ptr->next)
1115             {
1116                 if (yaz_match_xsd_string(ptr, "version", o,
1117                                      &(*p)->srw_version))
1118                     ;
1119                 else if (yaz_match_xsd_string(ptr, "action", o,
1120                                           &oper)){
1121                     if (oper)
1122                     {
1123                         if (!strcmp(oper, "info:srw/action/1/delete"))
1124                             req->operation = "delete";
1125                         else if (!strcmp(oper,"info:srw/action/1/replace" ))
1126                             req->operation = "replace";
1127                         else if (!strcmp(oper, "info:srw/action/1/create"))
1128                             req->operation = "insert";
1129                     }
1130                 }
1131                 else if (yaz_match_xsd_string(ptr, "recordIdentifier", o,
1132                                           &req->recordId))
1133                     ;
1134                 else if (yaz_match_xsd_element(ptr, "recordVersions" ) )
1135                     yaz_srw_versions( o, ptr, &req->recordVersions,
1136                                       &req->num_recordVersions, client_data,
1137                                       ns_ucp_str);
1138                 else if (yaz_match_xsd_element(ptr, "record"))
1139                 {
1140                     req->record = yaz_srw_get_record(o);
1141                     yaz_srw_record(o, ptr, req->record, &req->extra_record,
1142                                    client_data, 0);
1143                 }
1144                 else if (yaz_match_xsd_string(ptr, "stylesheet", o,
1145                                           &req->stylesheet))
1146                     ;
1147                 else
1148                     yaz_match_xsd_string(ptr, "database", o, &req->database);
1149             }
1150         }
1151         else if (!xmlStrcmp(method->name, BAD_CAST "updateResponse"))
1152         {
1153             xmlNodePtr ptr = method->children;
1154             Z_SRW_updateResponse *res;
1155
1156             (*p)->which = Z_SRW_update_response;
1157             res = (*p)->u.update_response = (Z_SRW_updateResponse *)
1158                 odr_malloc(o, sizeof(*res));
1159
1160             res->operationStatus = 0;
1161             res->recordId = 0;
1162             res->recordVersions = 0;
1163             res->num_recordVersions = 0;
1164             res->diagnostics = 0;
1165             res->num_diagnostics = 0;
1166             res->record = 0;
1167             res->extra_record = 0;
1168             res->extraResponseData_buf = 0;
1169             res->extraResponseData_len = 0;
1170
1171             for (; ptr; ptr = ptr->next)
1172             {
1173                 if (yaz_match_xsd_string(ptr, "version", o,
1174                                      &(*p)->srw_version))
1175                     ;
1176                 else if (yaz_match_xsd_string(ptr, "operationStatus", o,
1177                                           &res->operationStatus ))
1178                     ;
1179                 else if (yaz_match_xsd_string(ptr, "recordIdentifier", o,
1180                                           &res->recordId))
1181                     ;
1182                 else if (yaz_match_xsd_element(ptr, "recordVersions" ))
1183                     yaz_srw_versions(o, ptr, &res->recordVersions,
1184                                      &res->num_recordVersions,
1185                                      client_data, ns_ucp_str);
1186                 else if (yaz_match_xsd_element(ptr, "record"))
1187                 {
1188                     res->record = yaz_srw_get_record(o);
1189                     yaz_srw_record(o, ptr, res->record, &res->extra_record,
1190                                    client_data, 0);
1191                 }
1192                 else if (yaz_match_xsd_element(ptr, "diagnostics"))
1193                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1194                                         &res->num_diagnostics,
1195                                         client_data, ns_ucp_str);
1196             }
1197         }
1198         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateRequest"))
1199         {
1200         }
1201         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateResponse"))
1202         {
1203         }
1204         else
1205         {
1206             *p = 0;
1207             return -1;
1208         }
1209     }
1210     else if (o->direction == ODR_ENCODE)
1211     {
1212         Z_SRW_PDU **p = handler_data;
1213         xmlNsPtr ns_ucp, ns_srw;
1214
1215         if ((*p)->which == Z_SRW_update_request)
1216         {
1217             Z_SRW_updateRequest *req = (*p)->u.update_request;
1218             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "updateRequest", 0);
1219             ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1220             xmlSetNs(ptr, ns_ucp);
1221             ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1222
1223             add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1224             add_xsd_string(ptr, "action", req->operation);
1225             add_xsd_string(ptr, "recordIdentifier", req->recordId );
1226             if (req->recordVersions)
1227                 yaz_srw_versions( o, ptr, &req->recordVersions,
1228                                   &req->num_recordVersions,
1229                                   client_data, ns_ucp_str);
1230             if (req->record && req->record->recordData_len)
1231             {
1232                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1233                 xmlSetNs(rptr, ns_srw);
1234                 yaz_srw_record(o, rptr, req->record, &req->extra_record,
1235                                client_data, 0);
1236             }
1237             if (req->extraRequestData_len)
1238             {
1239                 add_XML_n(ptr, "extraRequestData",
1240                           req->extraRequestData_buf,
1241                           req->extraRequestData_len, ns_srw);
1242             }
1243             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1244             add_xsd_string(ptr, "database", req->database);
1245         }
1246         else if ((*p)->which == Z_SRW_update_response)
1247         {
1248             Z_SRW_updateResponse *res = (*p)->u.update_response;
1249             xmlNodePtr ptr = xmlNewChild(pptr, 0, (xmlChar *)
1250                                          "updateResponse", 0);
1251             ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1252             xmlSetNs(ptr, ns_ucp);
1253             ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1254
1255             add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1256             add_xsd_string(ptr, "operationStatus", res->operationStatus );
1257             add_xsd_string(ptr, "recordIdentifier", res->recordId );
1258             if (res->recordVersions)
1259                 yaz_srw_versions(o, ptr, &res->recordVersions,
1260                                  &res->num_recordVersions,
1261                                  client_data, ns_ucp_str);
1262             if (res->record && res->record->recordData_len)
1263             {
1264                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1265                 xmlSetNs(rptr, ns_srw);
1266                 yaz_srw_record(o, rptr, res->record, &res->extra_record,
1267                                client_data, 0);
1268             }
1269             if (res->num_diagnostics)
1270             {
1271                 xmlNsPtr ns_diag =
1272                     xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1,
1273                              BAD_CAST "diag" );
1274
1275                 xmlNodePtr rptr = xmlNewChild(ptr, ns_diag, BAD_CAST "diagnostics", 0);
1276                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1277                                     &res->num_diagnostics, client_data,
1278                                     ns_ucp_str);
1279             }
1280             if (res->extraResponseData_len)
1281                 add_XML_n(ptr, "extraResponseData",
1282                           res->extraResponseData_buf,
1283                           res->extraResponseData_len, ns_srw);
1284         }
1285         else
1286             return -1;
1287     }
1288     return 0;
1289 }
1290
1291 #endif
1292
1293
1294 /*
1295  * Local variables:
1296  * c-basic-offset: 4
1297  * c-file-style: "Stroustrup"
1298  * indent-tabs-mode: nil
1299  * End:
1300  * vim: shiftwidth=4 tabstop=8 expandtab
1301  */
1302