src/srw.c

   1 /*
   2  * Copyright (c) 2002-2003, Index Data.
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: srw.c,v 1.11 2004-01-05 09:34:42 adam Exp $
   6  */
   7
   8 #include <yaz/srw.h>
   9
  10 #if HAVE_XML2
  11 #include <libxml/parser.h>
  12 #include <libxml/tree.h>
  13
  14 static void add_XML_n(xmlNodePtr ptr, const char *elem, char *val, int len)
  15 {
  16     if (val)
  17     {
  18         xmlDocPtr doc = xmlParseMemory(val,len);
  19         if (doc)
  20         {
  21             xmlNodePtr c = xmlNewChild(ptr, 0, elem, 0);
  22             xmlNodePtr t = xmlDocGetRootElement(doc);
  23             xmlAddChild(c, xmlCopyNode(t,1));
  24             xmlFreeDoc(doc);
  25         }
  26     }
  27 }
  28
  29 xmlNodePtr add_xsd_string_n(xmlNodePtr ptr, const char *elem, char *val,
  30                             int len)
  31 {
  32     if (val)
  33     {
  34         xmlNodePtr c = xmlNewChild(ptr, 0, elem, 0);
  35         xmlNodePtr t = xmlNewTextLen(val, len);
  36         xmlAddChild(c, t);
  37         return t;
  38     }
  39     return 0;
  40 }
  41
  42 xmlNodePtr add_xsd_string(xmlNodePtr ptr, const char *elem, char *val)
  43 {
  44     if (val)
  45         return xmlNewChild(ptr, 0, elem, val);
  46     return 0;
  47 }
  48
  49 static void add_xsd_integer(xmlNodePtr ptr, const char *elem, int *val)
  50 {
  51     if (val)
  52     {
  53         char str[30];
  54         sprintf(str, "%d", *val);
  55         xmlNewChild(ptr, 0, elem, str);
  56     }
  57 }
  58
  59 static int match_element(xmlNodePtr ptr, const char *elem)
  60 {
  61     if (ptr->type == XML_ELEMENT_NODE && !strcmp(ptr->name, elem))
  62         return 1;
  63     return 0;
  64 }
  65
  66 #define CHECK_TYPE 0
  67
  68 static int match_xsd_string_n(xmlNodePtr ptr, const char *elem, ODR o,
  69                               char **val, int *len)
  70 {
  71 #if CHECK_TYPE
  72     struct _xmlAttr *attr;
  73 #endif
  74     if (!match_element(ptr, elem))
  75         return 0;
  76 #if CHECK_TYPE
  77     for (attr = ptr->properties; attr; attr = attr->next)
  78         if (!strcmp(attr->name, "type") &&
  79             attr->children && attr->children->type == XML_TEXT_NODE)
  80         {
  81             const char *t = strchr(attr->children->content, ':');
  82             if (t)
  83                 t = t + 1;
  84             else
  85                 t = attr->children->content;
  86             if (!strcmp(t, "string"))
  87                 break;
  88         }
  89     if (!attr)
  90         return 0;
  91 #endif
  92     ptr = ptr->children;
  93     if (!ptr || ptr->type != XML_TEXT_NODE)
  94         return 0;
  95     *val = odr_strdup(o, ptr->content);
  96     if (len)
  97         *len = strlen(ptr->content);
  98     return 1;
  99 }
 100
 101
 102 static int match_xsd_string(xmlNodePtr ptr, const char *elem, ODR o,
 103                             char **val)
 104 {
 105     return match_xsd_string_n(ptr, elem, o, val, 0);
 106 }
 107
 108 static int match_xsd_XML_n(xmlNodePtr ptr, const char *elem, ODR o,
 109                            char **val, int *len)
 110 {
 111     xmlBufferPtr buf;
 112
 113     if (!match_element(ptr, elem))
 114         return 0;
 115     ptr = ptr->children;
 116     if (!ptr)
 117         return 0;
 118     buf = xmlBufferCreate();
 119
 120     xmlNodeDump(buf, ptr->doc, ptr, 0, 0);
 121
 122     *val = odr_malloc(o, buf->use+1);
 123     memcpy (*val, buf->content, buf->use);
 124     (*val)[buf->use] = '\0';
 125
 126     if (len)
 127         *len = buf->use;
 128
 129     xmlBufferFree(buf);
 130
 131     return 1;
 132 }
 133
 134
 135 static int match_xsd_integer(xmlNodePtr ptr, const char *elem, ODR o, int **val)
 136 {
 137 #if CHECK_TYPE
 138     struct _xmlAttr *attr;
 139 #endif
 140     if (!match_element(ptr, elem))
 141         return 0;
 142 #if CHECK_TYPE
 143     for (attr = ptr->properties; attr; attr = attr->next)
 144         if (!strcmp(attr->name, "type") &&
 145             attr->children && attr->children->type == XML_TEXT_NODE)
 146         {
 147             const char *t = strchr(attr->children->content, ':');
 148             if (t)
 149                 t = t + 1;
 150             else
 151                 t = attr->children->content;
 152             if (!strcmp(t, "integer"))
 153                 break;
 154         }
 155     if (!attr)
 156         return 0;
 157 #endif
 158     ptr = ptr->children;
 159     if (!ptr || ptr->type != XML_TEXT_NODE)
 160         return 0;
 161     *val = odr_intdup(o, atoi(ptr->content));
 162     return 1;
 163 }
 164
 165 static int yaz_srw_record(ODR o, xmlNodePtr pptr, Z_SRW_record *rec,
 166                           void *client_data, const char *ns)
 167 {
 168     if (o->direction == ODR_DECODE)
 169     {
 170         int pack = Z_SRW_recordPacking_string;
 171         xmlNodePtr ptr;
 172         rec->recordSchema = 0;
 173         rec->recordData_buf = 0;
 174         rec->recordData_len = 0;
 175         rec->recordPosition = 0;
 176         for (ptr = pptr->children; ptr; ptr = ptr->next)
 177         {
 178             char *spack = 0;
 179
 180             if (match_xsd_string(ptr, "recordSchema", o,
 181                                  &rec->recordSchema))
 182                 ;
 183             else if (match_xsd_string(ptr, "recordPacking", o, &spack))
 184             {
 185                 if (pack && !strcmp(spack, "xml"))
 186                     pack = Z_SRW_recordPacking_XML;
 187                 if (pack && !strcmp(spack, "string"))
 188                     pack = Z_SRW_recordPacking_string;
 189             }
 190             else if (match_xsd_integer(ptr, "recordPosition", o,
 191                                        &rec->recordPosition))
 192                 ;
 193             else
 194             {
 195                 if (pack == Z_SRW_recordPacking_XML)
 196                     match_xsd_XML_n(ptr, "recordData", o,
 197                                     &rec->recordData_buf,
 198                                     &rec->recordData_len);
 199                 if (pack == Z_SRW_recordPacking_string)
 200                     match_xsd_string_n(ptr, "recordData", o,
 201                                        &rec->recordData_buf,
 202                                        &rec->recordData_len);
 203             }
 204         }
 205         rec->recordPacking = pack;
 206     }
 207     else if (o->direction == ODR_ENCODE)
 208     {
 209         xmlNodePtr ptr = pptr;
 210         add_xsd_string(ptr, "recordSchema", rec->recordSchema);
 211         switch(rec->recordPacking)
 212         {
 213         case Z_SRW_recordPacking_string:
 214             add_xsd_string(ptr, "recordPacking", "string");
 215             add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
 216                              rec->recordData_len);
 217             break;
 218         case Z_SRW_recordPacking_XML:
 219             add_xsd_string(ptr, "recordPacking", "xml");
 220             add_XML_n(ptr, "recordData", rec->recordData_buf,
 221                       rec->recordData_len);
 222             break;
 223         }
 224         add_xsd_integer(ptr, "recordPosition", rec->recordPosition);
 225     }
 226     return 0;
 227 }
 228
 229 static int yaz_srw_records(ODR o, xmlNodePtr pptr, Z_SRW_record **recs,
 230                            int *num, void *client_data, const char *ns)
 231 {
 232     if (o->direction == ODR_DECODE)
 233     {
 234         int i;
 235         xmlNodePtr ptr;
 236         *num = 0;
 237         for (ptr = pptr->children; ptr; ptr = ptr->next)
 238         {
 239             if (ptr->type == XML_ELEMENT_NODE &&
 240                 !strcmp(ptr->name, "record"))
 241                 (*num)++;
 242         }
 243         if (!*num)
 244             return 1;
 245         *recs = odr_malloc(o, *num * sizeof(**recs));
 246         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
 247         {
 248             if (ptr->type == XML_ELEMENT_NODE &&
 249                 !strcmp(ptr->name, "record"))
 250                 yaz_srw_record(o, ptr, (*recs)+i, client_data, ns);
 251         }
 252     }
 253     else if (o->direction == ODR_ENCODE)
 254     {
 255         int i;
 256         for (i = 0; i < *num; i++)
 257         {
 258             xmlNodePtr rptr = xmlNewChild(pptr, 0, "record", 0);
 259             yaz_srw_record(o, rptr, (*recs)+i, client_data, ns);
 260         }
 261     }
 262     return 0;
 263 }
 264
 265 static int yaz_srw_diagnostics(ODR o, xmlNodePtr pptr, Z_SRW_diagnostic **recs,
 266                                int *num, void *client_data, const char *ns)
 267 {
 268     if (o->direction == ODR_DECODE)
 269     {
 270         int i;
 271         xmlNodePtr ptr;
 272         *num = 0;
 273         for (ptr = pptr->children; ptr; ptr = ptr->next)
 274         {
 275             if (ptr->type == XML_ELEMENT_NODE &&
 276                 !strcmp(ptr->name, "diagnostic"))
 277                 (*num)++;
 278         }
 279         if (!*num)
 280             return 1;
 281         *recs = odr_malloc(o, *num * sizeof(**recs));
 282         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
 283         {
 284             if (ptr->type == XML_ELEMENT_NODE &&
 285                 !strcmp(ptr->name, "diagnostic"))
 286             {
 287                 xmlNodePtr rptr;
 288                 (*recs)[i].code = 0;
 289                 (*recs)[i].details = 0;
 290                 for (rptr = ptr->children; rptr; rptr = rptr->next)
 291                 {
 292                     if (match_xsd_integer(rptr, "code", o,
 293                                                &(*recs)[i].code))
 294                         ;
 295                     else if (match_xsd_string(rptr, "details", o,
 296                                               &(*recs)[i].details))
 297                         ;
 298                 }
 299                 i++;
 300             }
 301         }
 302     }
 303     else if (o->direction == ODR_ENCODE)
 304     {
 305         int i;
 306         xmlNsPtr ns_diag =
 307             xmlNewNs(pptr, "http://www.loc.gov/zing/srw/diagnostics/", "diag");
 308         for (i = 0; i < *num; i++)
 309         {
 310             xmlNodePtr rptr = xmlNewChild(pptr, ns_diag, "diagnostic", 0);
 311             add_xsd_integer(rptr, "code", (*recs)[i].code);
 312             add_xsd_string(rptr, "details", (*recs)[i].details);
 313         }
 314     }
 315     return 0;
 316 }
 317
 318 static int yaz_srw_term(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm *term,
 319                         void *client_data, const char *ns)
 320 {
 321     if (o->direction == ODR_DECODE)
 322     {
 323         xmlNodePtr ptr;
 324         term->value = 0;
 325         term->numberOfRecords = 0;
 326         term->displayTerm = 0;
 327         for (ptr = pptr->children; ptr; ptr = ptr->next)
 328         {
 329             if (match_xsd_string(ptr, "value", o,  &term->value))
 330                 ;
 331             else if (match_xsd_integer(ptr, "numberOfRecords", o,
 332                                    &term->numberOfRecords))
 333                 ;
 334             else if (match_xsd_string(ptr, "displayTerm", o,
 335                                       &term->displayTerm))
 336                 ;
 337         }
 338     }
 339     else if (o->direction == ODR_ENCODE)
 340     {
 341         xmlNodePtr ptr = pptr;
 342         add_xsd_string(ptr, "value", term->value);
 343         add_xsd_integer(ptr, "value", term->numberOfRecords);
 344         add_xsd_string(ptr, "displayTerm", term->displayTerm);
 345     }
 346     return 0;
 347 }
 348
 349 static int yaz_srw_terms(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm **terms,
 350                          int *num, void *client_data, const char *ns)
 351 {
 352     if (o->direction == ODR_DECODE)
 353     {
 354         int i;
 355         xmlNodePtr ptr;
 356         *num = 0;
 357         for (ptr = pptr->children; ptr; ptr = ptr->next)
 358         {
 359             if (ptr->type == XML_ELEMENT_NODE &&
 360                 !strcmp(ptr->name, "term"))
 361                 (*num)++;
 362         }
 363         if (!*num)
 364             return 1;
 365         *terms = odr_malloc(o, *num * sizeof(**terms));
 366         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
 367         {
 368             if (ptr->type == XML_ELEMENT_NODE &&
 369                 !strcmp(ptr->name, "term"))
 370                 yaz_srw_term(o, ptr, (*terms)+i, client_data, ns);
 371         }
 372     }
 373     else if (o->direction == ODR_ENCODE)
 374     {
 375         int i;
 376         for (i = 0; i < *num; i++)
 377         {
 378             xmlNodePtr rptr = xmlNewChild(pptr, 0, "term", 0);
 379             yaz_srw_term(o, rptr, (*terms)+i, client_data, ns);
 380         }
 381     }
 382     return 0;
 383 }
 384
 385 int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
 386                   void *client_data, const char *ns)
 387 {
 388     xmlNodePtr pptr = vptr;
 389     if (o->direction == ODR_DECODE)
 390     {
 391         Z_SRW_PDU **p = handler_data;
 392         xmlNodePtr method = pptr->children;
 393
 394         while (method && method->type == XML_TEXT_NODE)
 395             method = method->next;
 396
 397         if (!method)
 398             return -1;
 399         if (method->type != XML_ELEMENT_NODE)
 400             return -1;
 401
 402         *p = odr_malloc(o, sizeof(**p));
 403         (*p)->srw_version = odr_strdup(o, "1.1");
 404
 405         if (!strcmp(method->name, "searchRetrieveRequest"))
 406         {
 407             xmlNodePtr ptr = method->children;
 408             Z_SRW_searchRetrieveRequest *req;
 409
 410             (*p)->which = Z_SRW_searchRetrieve_request;
 411             req = (*p)->u.request = odr_malloc(o, sizeof(*req));
 412             req->query_type = Z_SRW_query_type_cql;
 413             req->query.cql = 0;
 414             req->sort_type = Z_SRW_sort_type_none;
 415             req->sort.none = 0;
 416             req->startRecord = 0;
 417             req->maximumRecords = 0;
 418             req->recordSchema = 0;
 419             req->recordPacking = 0;
 420             req->recordXPath = 0;
 421             req->resultSetTTL = 0;
 422             req->stylesheet = 0;
 423             req->database = 0;
 424
 425             for (; ptr; ptr = ptr->next)
 426             {
 427                 if (match_xsd_string(ptr, "query", o,
 428                                      &req->query.cql))
 429                     req->query_type = Z_SRW_query_type_cql;
 430                 else if (match_xsd_string(ptr, "pQuery", o,
 431                                      &req->query.pqf))
 432                     req->query_type = Z_SRW_query_type_pqf;
 433                 else if (match_xsd_string(ptr, "xQuery", o,
 434                                      &req->query.xcql))
 435                     req->query_type = Z_SRW_query_type_xcql;
 436                 else if (match_xsd_string(ptr, "sortKeys", o,
 437                                           &req->sort.sortKeys))
 438                     req->sort_type = Z_SRW_sort_type_sort;
 439                 else if (match_xsd_string(ptr, "recordSchema", o,
 440                                           &req->recordSchema))
 441                     ;
 442                 else if (match_xsd_string(ptr, "recordPacking", o,
 443                                           &req->recordPacking))
 444                     ;
 445                 else if (match_xsd_string(ptr, "recordXPath", o,
 446                                           &req->recordXPath))
 447                     ;
 448                 else if (match_xsd_integer(ptr, "startRecord", o,
 449                                            &req->startRecord))
 450                     ;
 451                 else if (match_xsd_integer(ptr, "maximumRecords", o,
 452                                            &req->maximumRecords))
 453                     ;
 454                 else if (match_xsd_string(ptr, "stylesheet", o,
 455                                            &req->stylesheet))
 456                     ;
 457                 else if (match_xsd_string(ptr, "database", o,
 458                                            &req->database))
 459                     ;
 460                 else if (match_xsd_string(ptr, "resultSetTTL", o,
 461                                            &req->database))
 462                     ;
 463                 else if (match_xsd_string(ptr, "version", o,
 464                                            &(*p)->srw_version))
 465                     ;
 466                 /* missing is xQuery, xSortKeys .. */
 467             }
 468         }
 469         else if (!strcmp(method->name, "searchRetrieveResponse"))
 470         {
 471             xmlNodePtr ptr = method->children;
 472             Z_SRW_searchRetrieveResponse *res;
 473
 474             (*p)->which = Z_SRW_searchRetrieve_response;
 475             res = (*p)->u.response = odr_malloc(o, sizeof(*res));
 476
 477             res->numberOfRecords = 0;
 478             res->resultSetId = 0;
 479             res->resultSetIdleTime = 0;
 480             res->records = 0;
 481             res->num_records = 0;
 482             res->diagnostics = 0;
 483             res->num_diagnostics = 0;
 484             res->nextRecordPosition = 0;
 485
 486             for (; ptr; ptr = ptr->next)
 487             {
 488                 if (match_xsd_integer(ptr, "numberOfRecords", o,
 489                                       &res->numberOfRecords))
 490                     ;
 491                 else if (match_xsd_string(ptr, "resultSetId", o,
 492                                           &res->resultSetId))
 493                     ;
 494                 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
 495                                            &res->resultSetIdleTime))
 496                     ;
 497                 else if (match_element(ptr, "records"))
 498                     yaz_srw_records(o, ptr, &res->records,
 499                                     &res->num_records, client_data,
 500                                     ns);
 501                 else if (match_element(ptr, "diagnostics"))
 502                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 503                                         &res->num_diagnostics,
 504                                         client_data, ns);
 505                 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
 506                                            &res->nextRecordPosition))
 507                     ;
 508                 else if (match_xsd_string(ptr, "version", o,
 509                                            &(*p)->srw_version))
 510                     ;
 511             }
 512         }
 513         else if (!strcmp(method->name, "explainRequest"))
 514         {
 515             Z_SRW_explainRequest *req;
 516             xmlNodePtr ptr = method->children;
 517
 518             (*p)->which = Z_SRW_explain_request;
 519             req = (*p)->u.explain_request = odr_malloc(o, sizeof(*req));
 520             req->recordPacking = 0;
 521             req->database = 0;
 522             for (; ptr; ptr = ptr->next)
 523             {
 524                 if (match_xsd_string(ptr, "database", o,
 525                                      &req->database))
 526                     ;
 527                 else if (match_xsd_string(ptr, "recordPacking", o,
 528                                      &req->recordPacking))
 529                     ;
 530                 else if (match_xsd_string(ptr, "version", o,
 531                                            &(*p)->srw_version))
 532                     ;
 533             }
 534         }
 535         else if (!strcmp(method->name, "explainResponse"))
 536         {
 537             Z_SRW_explainResponse *res;
 538             xmlNodePtr ptr = method->children;
 539
 540             (*p)->which = Z_SRW_explain_response;
 541             res = (*p)->u.explain_response = odr_malloc(o, sizeof(*res));
 542             res->diagnostics = 0;
 543             res->num_diagnostics = 0;
 544
 545             for (; ptr; ptr = ptr->next)
 546             {
 547                 if (match_element(ptr, "record"))
 548                     yaz_srw_record(o, ptr, &res->record, client_data, ns);
 549                 else if (match_xsd_string(ptr, "version", o,
 550                                           &(*p)->srw_version))
 551                     ;
 552                 else if (match_element(ptr, "diagnostics"))
 553                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 554                                         &res->num_diagnostics,
 555                                         client_data, ns);
 556                 ;
 557             }
 558         }
 559         else if (!strcmp(method->name, "scanRequest"))
 560         {
 561             Z_SRW_scanRequest *req;
 562             xmlNodePtr ptr = method->children;
 563
 564             (*p)->which = Z_SRW_scan_request;
 565             req = (*p)->u.scan_request = odr_malloc(o, sizeof(*req));
 566             req->database = 0;
 567             req->scanClause = 0;
 568             req->stylesheet = 0;
 569             req->responsePosition = 0;
 570             req->maximumTerms = 0;
 571
 572             for (; ptr; ptr = ptr->next)
 573             {
 574                 if (match_xsd_string(ptr, "version", o,
 575                                      &(*p)->srw_version))
 576                     ;
 577                 else if (match_xsd_string(ptr, "scanClause", o,
 578                                      &req->scanClause))
 579                     ;
 580                 else if (match_xsd_string(ptr, "database", o,
 581                                           &req->database))
 582                     ;
 583                 else if (match_xsd_string(ptr, "stylesheet", o,
 584                                           &req->stylesheet))
 585                     ;
 586                 else if (match_xsd_integer(ptr, "responsePosition", o,
 587                                            &req->responsePosition))
 588                     ;
 589                 else if (match_xsd_integer(ptr, "maximumTerms", o,
 590                                            &req->maximumTerms))
 591                     ;
 592             }
 593         }
 594         else if (!strcmp(method->name, "scanResponse"))
 595         {
 596             Z_SRW_scanResponse *res;
 597             xmlNodePtr ptr = method->children;
 598
 599             (*p)->which = Z_SRW_scan_response;
 600             res = (*p)->u.scan_response = odr_malloc(o, sizeof(*res));
 601             res->terms = 0;
 602             res->num_terms = 0;
 603             res->diagnostics = 0;
 604             res->num_diagnostics = 0;
 605
 606             for (; ptr; ptr = ptr->next)
 607             {
 608                 if (match_element(ptr, "terms"))
 609                     yaz_srw_terms(o, ptr, &res->terms,
 610                                   &res->num_terms, client_data,
 611                                   ns);
 612                 else if (match_element(ptr, "diagnostics"))
 613                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 614                                         &res->num_diagnostics,
 615                                         client_data, ns);
 616                 else if (match_xsd_string(ptr, "version", o,
 617                                           &(*p)->srw_version))
 618                     ;
 619             }
 620         }
 621         else
 622         {
 623             *p = 0;
 624             return -1;
 625         }
 626     }
 627     else if (o->direction == ODR_ENCODE)
 628     {
 629         Z_SRW_PDU **p = handler_data;
 630         xmlNsPtr ns_srw;
 631
 632         if ((*p)->which == Z_SRW_searchRetrieve_request)
 633         {
 634             Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
 635             xmlNodePtr ptr = xmlNewChild(pptr, 0,
 636                                          "searchRetrieveRequest", 0);
 637             ns_srw = xmlNewNs(ptr, ns, "zs");
 638             xmlSetNs(ptr, ns_srw);
 639
 640             if ((*p)->srw_version)
 641                 add_xsd_string(ptr, "version", (*p)->srw_version);
 642             switch(req->query_type)
 643             {
 644             case Z_SRW_query_type_cql:
 645                 add_xsd_string(ptr, "query", req->query.cql);
 646                 break;
 647             case Z_SRW_query_type_xcql:
 648                 add_xsd_string(ptr, "xQuery", req->query.xcql);
 649                 break;
 650             case Z_SRW_query_type_pqf:
 651                 add_xsd_string(ptr, "pQuery", req->query.pqf);
 652                 break;
 653             }
 654             switch(req->sort_type)
 655             {
 656             case Z_SRW_sort_type_none:
 657                 break;
 658             case Z_SRW_sort_type_sort:
 659                 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
 660                 break;
 661             case Z_SRW_sort_type_xSort:
 662                 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
 663                 break;
 664             }
 665             add_xsd_integer(ptr, "startRecord", req->startRecord);
 666             add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
 667             add_xsd_string(ptr, "recordSchema", req->recordSchema);
 668             add_xsd_string(ptr, "recordPacking", req->recordPacking);
 669             add_xsd_string(ptr, "recordXPath", req->recordXPath);
 670             add_xsd_string(ptr, "database", req->database);
 671             add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
 672             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 673         }
 674         else if ((*p)->which == Z_SRW_searchRetrieve_response)
 675         {
 676             Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
 677             xmlNodePtr ptr = xmlNewChild(pptr, 0,
 678                                          "searchRetrieveResponse", 0);
 679             ns_srw = xmlNewNs(ptr, ns, "zs");
 680             xmlSetNs(ptr, ns_srw);
 681
 682             if ((*p)->srw_version)
 683                 add_xsd_string(ptr, "version", (*p)->srw_version);
 684             add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
 685             add_xsd_string(ptr, "resultSetId", res->resultSetId);
 686             add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
 687             if (res->num_records)
 688             {
 689                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "records", 0);
 690                 yaz_srw_records(o, rptr, &res->records, &res->num_records,
 691                                 client_data, ns);
 692             }
 693             if (res->num_diagnostics)
 694             {
 695                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "diagnostics", 0);
 696                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 697                                     &res->num_diagnostics, client_data, ns);
 698             }
 699             add_xsd_integer(ptr, "nextRecordPosition", res->nextRecordPosition);
 700         }
 701         else if ((*p)->which == Z_SRW_explain_request)
 702         {
 703             xmlNodePtr ptr = xmlNewChild(pptr, 0, "explainRequest", 0);
 704             ns_srw = xmlNewNs(ptr, ns, "zs");
 705             xmlSetNs(ptr, ns_srw);
 706
 707             add_xsd_string(ptr, "version", (*p)->srw_version);
 708         }
 709         else if ((*p)->which == Z_SRW_explain_response)
 710         {
 711             Z_SRW_explainResponse *res = (*p)->u.explain_response;
 712             xmlNodePtr ptr = xmlNewChild(pptr, 0, "explainResponse", 0);
 713             ns_srw = xmlNewNs(ptr, ns, "zs");
 714             xmlSetNs(ptr, ns_srw);
 715
 716             add_xsd_string(ptr, "version", (*p)->srw_version);
 717             if (1)
 718             {
 719                 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, "record", 0);
 720                 yaz_srw_record(o, ptr1, &res->record, client_data, ns);
 721             }
 722             if (res->num_diagnostics)
 723             {
 724                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "diagnostics", 0);
 725                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 726                                     &res->num_diagnostics, client_data, ns);
 727             }
 728         }
 729         else if ((*p)->which == Z_SRW_scan_request)
 730         {
 731             Z_SRW_scanRequest *req = (*p)->u.scan_request;
 732             xmlNodePtr ptr = xmlNewChild(pptr, 0, "scanRequest", 0);
 733             ns_srw = xmlNewNs(ptr, ns, "zs");
 734             xmlSetNs(ptr, ns_srw);
 735
 736             add_xsd_string(ptr, "version", (*p)->srw_version);
 737             add_xsd_string(ptr, "scanClause", req->scanClause);
 738             add_xsd_integer(ptr, "responsePosition", req->responsePosition);
 739             add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
 740             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 741         }
 742         else if ((*p)->which == Z_SRW_scan_response)
 743         {
 744             Z_SRW_scanResponse *res = (*p)->u.scan_response;
 745             xmlNodePtr ptr = xmlNewChild(pptr, 0, "scanResponse", 0);
 746             ns_srw = xmlNewNs(ptr, ns, "zs");
 747             xmlSetNs(ptr, ns_srw);
 748
 749             add_xsd_string(ptr, "version", (*p)->srw_version);
 750
 751             if (res->num_terms)
 752             {
 753                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "terms", 0);
 754                 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
 755                               client_data, ns);
 756             }
 757             if (res->num_diagnostics)
 758             {
 759                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "diagnostics", 0);
 760                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 761                                     &res->num_diagnostics, client_data, ns);
 762             }
 763         }
 764         else
 765             return -1;
 766
 767     }
 768     return 0;
 769 }
 770
 771 #endif
 772
 773