src/srw.c

   1 /*
   2  * Copyright (c) 2002-2004, Index Data.
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: srw.c,v 1.18 2004-01-15 23:33:29 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, const 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, const 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, const 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     while (ptr && ptr->type != XML_TEXT_NODE && ptr->type != XML_COMMENT_NODE)
 117         ptr = ptr->next;
 118     if (!ptr)
 119         return 0;
 120     buf = xmlBufferCreate();
 121
 122     xmlNodeDump(buf, ptr->doc, ptr, 0, 0);
 123
 124     *val = odr_malloc(o, buf->use+1);
 125     memcpy (*val, buf->content, buf->use);
 126     (*val)[buf->use] = '\0';
 127
 128     if (len)
 129         *len = buf->use;
 130
 131     xmlBufferFree(buf);
 132
 133     return 1;
 134 }
 135
 136 static int match_xsd_integer(xmlNodePtr ptr, const char *elem, ODR o, int **val)
 137 {
 138 #if CHECK_TYPE
 139     struct _xmlAttr *attr;
 140 #endif
 141     if (!match_element(ptr, elem))
 142         return 0;
 143 #if CHECK_TYPE
 144     for (attr = ptr->properties; attr; attr = attr->next)
 145         if (!strcmp(attr->name, "type") &&
 146             attr->children && attr->children->type == XML_TEXT_NODE)
 147         {
 148             const char *t = strchr(attr->children->content, ':');
 149             if (t)
 150                 t = t + 1;
 151             else
 152                 t = attr->children->content;
 153             if (!strcmp(t, "integer"))
 154                 break;
 155         }
 156     if (!attr)
 157         return 0;
 158 #endif
 159     ptr = ptr->children;
 160     if (!ptr || ptr->type != XML_TEXT_NODE)
 161         return 0;
 162     *val = odr_intdup(o, atoi(ptr->content));
 163     return 1;
 164 }
 165
 166 static int yaz_srw_record(ODR o, xmlNodePtr pptr, Z_SRW_record *rec,
 167                           void *client_data, const char *ns)
 168 {
 169     if (o->direction == ODR_DECODE)
 170     {
 171         int pack = Z_SRW_recordPacking_string;
 172         xmlNodePtr ptr;
 173         rec->recordSchema = 0;
 174         rec->recordData_buf = 0;
 175         rec->recordData_len = 0;
 176         rec->recordPosition = 0;
 177         for (ptr = pptr->children; ptr; ptr = ptr->next)
 178         {
 179             char *spack = 0;
 180
 181             if (match_xsd_string(ptr, "recordSchema", o,
 182                                  &rec->recordSchema))
 183                 ;
 184             else if (match_xsd_string(ptr, "recordPacking", o, &spack))
 185             {
 186                 if (spack && !strcmp(spack, "xml"))
 187                     pack = Z_SRW_recordPacking_XML;
 188                 if (spack && !strcmp(spack, "string"))
 189                     pack = Z_SRW_recordPacking_string;
 190             }
 191             else if (match_xsd_integer(ptr, "recordPosition", o,
 192                                        &rec->recordPosition))
 193                 ;
 194             else
 195             {
 196                 if (pack == Z_SRW_recordPacking_XML)
 197                     match_xsd_XML_n(ptr, "recordData", o,
 198                                     &rec->recordData_buf,
 199                                     &rec->recordData_len);
 200                 if (pack == Z_SRW_recordPacking_string)
 201                     match_xsd_string_n(ptr, "recordData", o,
 202                                        &rec->recordData_buf,
 203                                        &rec->recordData_len);
 204             }
 205         }
 206         rec->recordPacking = pack;
 207     }
 208     else if (o->direction == ODR_ENCODE)
 209     {
 210         xmlNodePtr ptr = pptr;
 211         add_xsd_string(ptr, "recordSchema", rec->recordSchema);
 212         switch(rec->recordPacking)
 213         {
 214         case Z_SRW_recordPacking_string:
 215             add_xsd_string(ptr, "recordPacking", "string");
 216             add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
 217                              rec->recordData_len);
 218             break;
 219         case Z_SRW_recordPacking_XML:
 220             add_xsd_string(ptr, "recordPacking", "xml");
 221             add_XML_n(ptr, "recordData", rec->recordData_buf,
 222                       rec->recordData_len);
 223             break;
 224         }
 225         add_xsd_integer(ptr, "recordPosition", rec->recordPosition);
 226     }
 227     return 0;
 228 }
 229
 230 static int yaz_srw_records(ODR o, xmlNodePtr pptr, Z_SRW_record **recs,
 231                            int *num, void *client_data, const char *ns)
 232 {
 233     if (o->direction == ODR_DECODE)
 234     {
 235         int i;
 236         xmlNodePtr ptr;
 237         *num = 0;
 238         for (ptr = pptr->children; ptr; ptr = ptr->next)
 239         {
 240             if (ptr->type == XML_ELEMENT_NODE &&
 241                 !strcmp(ptr->name, "record"))
 242                 (*num)++;
 243         }
 244         if (!*num)
 245             return 1;
 246         *recs = odr_malloc(o, *num * sizeof(**recs));
 247         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
 248         {
 249             if (ptr->type == XML_ELEMENT_NODE &&
 250                 !strcmp(ptr->name, "record"))
 251             {
 252                 yaz_srw_record(o, ptr, (*recs)+i, client_data, ns);
 253                 i++;
 254             }
 255         }
 256     }
 257     else if (o->direction == ODR_ENCODE)
 258     {
 259         int i;
 260         for (i = 0; i < *num; i++)
 261         {
 262             xmlNodePtr rptr = xmlNewChild(pptr, 0, "record", 0);
 263             yaz_srw_record(o, rptr, (*recs)+i, client_data, ns);
 264         }
 265     }
 266     return 0;
 267 }
 268
 269 static int yaz_srw_diagnostics(ODR o, xmlNodePtr pptr, Z_SRW_diagnostic **recs,
 270                                int *num, void *client_data, const char *ns)
 271 {
 272     if (o->direction == ODR_DECODE)
 273     {
 274         int i;
 275         xmlNodePtr ptr;
 276         *num = 0;
 277         for (ptr = pptr->children; ptr; ptr = ptr->next)
 278         {
 279             if (ptr->type == XML_ELEMENT_NODE &&
 280                 !strcmp(ptr->name, "diagnostic"))
 281                 (*num)++;
 282         }
 283         if (!*num)
 284             return 1;
 285         *recs = odr_malloc(o, *num * sizeof(**recs));
 286         for (i = 0; i < *num; i++)
 287         {
 288             (*recs)[i].code = 0;
 289             (*recs)[i].details = 0;
 290         }
 291         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
 292         {
 293             if (ptr->type == XML_ELEMENT_NODE &&
 294                 !strcmp(ptr->name, "diagnostic"))
 295             {
 296                 xmlNodePtr rptr;
 297                 (*recs)[i].code = 0;
 298                 (*recs)[i].details = 0;
 299                 for (rptr = ptr->children; rptr; rptr = rptr->next)
 300                 {
 301                     if (match_xsd_integer(rptr, "code", o,
 302                                                &(*recs)[i].code))
 303                         ;
 304                     else if (match_xsd_string(rptr, "details", o,
 305                                               &(*recs)[i].details))
 306                         ;
 307                 }
 308                 i++;
 309             }
 310         }
 311     }
 312     else if (o->direction == ODR_ENCODE)
 313     {
 314         int i;
 315         xmlNsPtr ns_diag =
 316             xmlNewNs(pptr, "http://www.loc.gov/zing/srw/diagnostics/", "diag");
 317         for (i = 0; i < *num; i++)
 318         {
 319             xmlNodePtr rptr = xmlNewChild(pptr, ns_diag, "diagnostic", 0);
 320             add_xsd_integer(rptr, "code", (*recs)[i].code);
 321             if ((*recs)[i].code)
 322             {
 323                 const char *message = yaz_diag_srw_str(*(*recs)[i].code);
 324                 if (message)
 325                     add_xsd_string(rptr, "message", message);
 326             }
 327             add_xsd_string(rptr, "details", (*recs)[i].details);
 328         }
 329     }
 330     return 0;
 331 }
 332
 333 static int yaz_srw_term(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm *term,
 334                         void *client_data, const char *ns)
 335 {
 336     if (o->direction == ODR_DECODE)
 337     {
 338         xmlNodePtr ptr;
 339         term->value = 0;
 340         term->numberOfRecords = 0;
 341         term->displayTerm = 0;
 342         for (ptr = pptr->children; ptr; ptr = ptr->next)
 343         {
 344             if (match_xsd_string(ptr, "value", o,  &term->value))
 345                 ;
 346             else if (match_xsd_integer(ptr, "numberOfRecords", o,
 347                                    &term->numberOfRecords))
 348                 ;
 349             else if (match_xsd_string(ptr, "displayTerm", o,
 350                                       &term->displayTerm))
 351                 ;
 352         }
 353     }
 354     else if (o->direction == ODR_ENCODE)
 355     {
 356         xmlNodePtr ptr = pptr;
 357         add_xsd_string(ptr, "value", term->value);
 358         add_xsd_integer(ptr, "value", term->numberOfRecords);
 359         add_xsd_string(ptr, "displayTerm", term->displayTerm);
 360     }
 361     return 0;
 362 }
 363
 364 static int yaz_srw_terms(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm **terms,
 365                          int *num, void *client_data, const char *ns)
 366 {
 367     if (o->direction == ODR_DECODE)
 368     {
 369         int i;
 370         xmlNodePtr ptr;
 371         *num = 0;
 372         for (ptr = pptr->children; ptr; ptr = ptr->next)
 373         {
 374             if (ptr->type == XML_ELEMENT_NODE &&
 375                 !strcmp(ptr->name, "term"))
 376                 (*num)++;
 377         }
 378         if (!*num)
 379             return 1;
 380         *terms = odr_malloc(o, *num * sizeof(**terms));
 381         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
 382         {
 383             if (ptr->type == XML_ELEMENT_NODE &&
 384                 !strcmp(ptr->name, "term"))
 385                 yaz_srw_term(o, ptr, (*terms)+i, client_data, ns);
 386         }
 387     }
 388     else if (o->direction == ODR_ENCODE)
 389     {
 390         int i;
 391         for (i = 0; i < *num; i++)
 392         {
 393             xmlNodePtr rptr = xmlNewChild(pptr, 0, "term", 0);
 394             yaz_srw_term(o, rptr, (*terms)+i, client_data, ns);
 395         }
 396     }
 397     return 0;
 398 }
 399
 400 int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
 401                   void *client_data, const char *ns)
 402 {
 403     xmlNodePtr pptr = vptr;
 404     if (o->direction == ODR_DECODE)
 405     {
 406         Z_SRW_PDU **p = handler_data;
 407         xmlNodePtr method = pptr->children;
 408
 409         while (method && method->type == XML_TEXT_NODE)
 410             method = method->next;
 411
 412         if (!method)
 413             return -1;
 414         if (method->type != XML_ELEMENT_NODE)
 415             return -1;
 416
 417         *p = odr_malloc(o, sizeof(**p));
 418         (*p)->srw_version = odr_strdup(o, "1.1");
 419
 420         if (!strcmp(method->name, "searchRetrieveRequest"))
 421         {
 422             xmlNodePtr ptr = method->children;
 423             Z_SRW_searchRetrieveRequest *req;
 424
 425             (*p)->which = Z_SRW_searchRetrieve_request;
 426             req = (*p)->u.request = odr_malloc(o, sizeof(*req));
 427             req->query_type = Z_SRW_query_type_cql;
 428             req->query.cql = 0;
 429             req->sort_type = Z_SRW_sort_type_none;
 430             req->sort.none = 0;
 431             req->startRecord = 0;
 432             req->maximumRecords = 0;
 433             req->recordSchema = 0;
 434             req->recordPacking = 0;
 435             req->recordXPath = 0;
 436             req->resultSetTTL = 0;
 437             req->stylesheet = 0;
 438             req->database = 0;
 439
 440             for (; ptr; ptr = ptr->next)
 441             {
 442                 if (match_xsd_string(ptr, "version", o,
 443                                      &(*p)->srw_version))
 444                     ;
 445                 else if (match_xsd_string(ptr, "query", o,
 446                                      &req->query.cql))
 447                     req->query_type = Z_SRW_query_type_cql;
 448                 else if (match_xsd_string(ptr, "pQuery", o,
 449                                      &req->query.pqf))
 450                     req->query_type = Z_SRW_query_type_pqf;
 451                 else if (match_xsd_string(ptr, "xQuery", o,
 452                                      &req->query.xcql))
 453                     req->query_type = Z_SRW_query_type_xcql;
 454                 else if (match_xsd_integer(ptr, "startRecord", o,
 455                                            &req->startRecord))
 456                     ;
 457                 else if (match_xsd_integer(ptr, "maximumRecords", o,
 458                                            &req->maximumRecords))
 459                     ;
 460                 else if (match_xsd_string(ptr, "recordPacking", o,
 461                                           &req->recordPacking))
 462                     ;
 463                 else if (match_xsd_string(ptr, "recordSchema", o,
 464                                           &req->recordSchema))
 465                     ;
 466                 else if (match_xsd_string(ptr, "recordXPath", o,
 467                                           &req->recordXPath))
 468                     ;
 469                 else if (match_xsd_string(ptr, "resultSetTTL", o,
 470                                            &req->database))
 471                     ;
 472                 else if (match_xsd_string(ptr, "sortKeys", o,
 473                                           &req->sort.sortKeys))
 474                     req->sort_type = Z_SRW_sort_type_sort;
 475                 else if (match_xsd_string(ptr, "stylesheet", o,
 476                                            &req->stylesheet))
 477                     ;
 478                 else if (match_xsd_string(ptr, "database", o,
 479                                            &req->database))
 480                     ;
 481                 /* missing is xQuery, xSortKeys .. */
 482             }
 483         }
 484         else if (!strcmp(method->name, "searchRetrieveResponse"))
 485         {
 486             xmlNodePtr ptr = method->children;
 487             Z_SRW_searchRetrieveResponse *res;
 488
 489             (*p)->which = Z_SRW_searchRetrieve_response;
 490             res = (*p)->u.response = odr_malloc(o, sizeof(*res));
 491
 492             res->numberOfRecords = 0;
 493             res->resultSetId = 0;
 494             res->resultSetIdleTime = 0;
 495             res->records = 0;
 496             res->num_records = 0;
 497             res->diagnostics = 0;
 498             res->num_diagnostics = 0;
 499             res->nextRecordPosition = 0;
 500
 501             for (; ptr; ptr = ptr->next)
 502             {
 503                 if (match_xsd_string(ptr, "version", o,
 504                                      &(*p)->srw_version))
 505                     ;
 506                 else if (match_xsd_integer(ptr, "numberOfRecords", o,
 507                                       &res->numberOfRecords))
 508                     ;
 509                 else if (match_xsd_string(ptr, "resultSetId", o,
 510                                           &res->resultSetId))
 511                     ;
 512                 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
 513                                            &res->resultSetIdleTime))
 514                     ;
 515                 else if (match_element(ptr, "records"))
 516                     yaz_srw_records(o, ptr, &res->records,
 517                                     &res->num_records, client_data,
 518                                     ns);
 519                 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
 520                                            &res->nextRecordPosition))
 521                     ;
 522                 else if (match_element(ptr, "diagnostics"))
 523                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 524                                         &res->num_diagnostics,
 525                                         client_data, ns);
 526             }
 527         }
 528         else if (!strcmp(method->name, "explainRequest"))
 529         {
 530             Z_SRW_explainRequest *req;
 531             xmlNodePtr ptr = method->children;
 532
 533             (*p)->which = Z_SRW_explain_request;
 534             req = (*p)->u.explain_request = odr_malloc(o, sizeof(*req));
 535             req->recordPacking = 0;
 536             req->database = 0;
 537             req->stylesheet = 0;
 538             for (; ptr; ptr = ptr->next)
 539             {
 540                 if (match_xsd_string(ptr, "version", o,
 541                                            &(*p)->srw_version))
 542                     ;
 543                 else if (match_xsd_string(ptr, "stylesheet", o,
 544                                           &req->stylesheet))
 545                     ;
 546                 else if (match_xsd_string(ptr, "recordPacking", o,
 547                                      &req->recordPacking))
 548                     ;
 549                 else if (match_xsd_string(ptr, "database", o,
 550                                      &req->database))
 551                     ;
 552             }
 553         }
 554         else if (!strcmp(method->name, "explainResponse"))
 555         {
 556             Z_SRW_explainResponse *res;
 557             xmlNodePtr ptr = method->children;
 558
 559             (*p)->which = Z_SRW_explain_response;
 560             res = (*p)->u.explain_response = odr_malloc(o, sizeof(*res));
 561             res->diagnostics = 0;
 562             res->num_diagnostics = 0;
 563
 564             for (; ptr; ptr = ptr->next)
 565             {
 566                 if (match_xsd_string(ptr, "version", o,
 567                                            &(*p)->srw_version))
 568                     ;
 569                 else if (match_element(ptr, "record"))
 570                     yaz_srw_record(o, ptr, &res->record, client_data, ns);
 571                 else if (match_element(ptr, "diagnostics"))
 572                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 573                                         &res->num_diagnostics,
 574                                         client_data, ns);
 575                 ;
 576             }
 577         }
 578         else if (!strcmp(method->name, "scanRequest"))
 579         {
 580             Z_SRW_scanRequest *req;
 581             xmlNodePtr ptr = method->children;
 582
 583             (*p)->which = Z_SRW_scan_request;
 584             req = (*p)->u.scan_request = odr_malloc(o, sizeof(*req));
 585             req->database = 0;
 586             req->scanClause = 0;
 587             req->stylesheet = 0;
 588             req->responsePosition = 0;
 589             req->maximumTerms = 0;
 590
 591             for (; ptr; ptr = ptr->next)
 592             {
 593                 if (match_xsd_string(ptr, "version", o,
 594                                      &(*p)->srw_version))
 595                     ;
 596                 else if (match_xsd_string(ptr, "scanClause", o,
 597                                      &req->scanClause))
 598                     ;
 599                 else if (match_xsd_integer(ptr, "responsePosition", o,
 600                                            &req->responsePosition))
 601                     ;
 602                 else if (match_xsd_integer(ptr, "maximumTerms", o,
 603                                            &req->maximumTerms))
 604                     ;
 605                 else if (match_xsd_string(ptr, "stylesheet", o,
 606                                           &req->stylesheet))
 607                     ;
 608                 else if (match_xsd_string(ptr, "database", o,
 609                                           &req->database))
 610                     ;
 611             }
 612         }
 613         else if (!strcmp(method->name, "scanResponse"))
 614         {
 615             Z_SRW_scanResponse *res;
 616             xmlNodePtr ptr = method->children;
 617
 618             (*p)->which = Z_SRW_scan_response;
 619             res = (*p)->u.scan_response = odr_malloc(o, sizeof(*res));
 620             res->terms = 0;
 621             res->num_terms = 0;
 622             res->diagnostics = 0;
 623             res->num_diagnostics = 0;
 624
 625             for (; ptr; ptr = ptr->next)
 626             {
 627                 if (match_xsd_string(ptr, "version", o,
 628                                      &(*p)->srw_version))
 629                     ;
 630                 else if (match_element(ptr, "terms"))
 631                     yaz_srw_terms(o, ptr, &res->terms,
 632                                   &res->num_terms, client_data,
 633                                   ns);
 634                 else if (match_element(ptr, "diagnostics"))
 635                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 636                                         &res->num_diagnostics,
 637                                         client_data, ns);
 638             }
 639         }
 640         else
 641         {
 642             *p = 0;
 643             return -1;
 644         }
 645     }
 646     else if (o->direction == ODR_ENCODE)
 647     {
 648         Z_SRW_PDU **p = handler_data;
 649         xmlNsPtr ns_srw;
 650
 651         if ((*p)->which == Z_SRW_searchRetrieve_request)
 652         {
 653             Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
 654             xmlNodePtr ptr = xmlNewChild(pptr, 0,
 655                                          "searchRetrieveRequest", 0);
 656             ns_srw = xmlNewNs(ptr, ns, "zs");
 657             xmlSetNs(ptr, ns_srw);
 658
 659             if ((*p)->srw_version)
 660                 add_xsd_string(ptr, "version", (*p)->srw_version);
 661             switch(req->query_type)
 662             {
 663             case Z_SRW_query_type_cql:
 664                 add_xsd_string(ptr, "query", req->query.cql);
 665                 break;
 666             case Z_SRW_query_type_xcql:
 667                 add_xsd_string(ptr, "xQuery", req->query.xcql);
 668                 break;
 669             case Z_SRW_query_type_pqf:
 670                 add_xsd_string(ptr, "pQuery", req->query.pqf);
 671                 break;
 672             }
 673             add_xsd_integer(ptr, "startRecord", req->startRecord);
 674             add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
 675             add_xsd_string(ptr, "recordPacking", req->recordPacking);
 676             add_xsd_string(ptr, "recordSchema", req->recordSchema);
 677             add_xsd_string(ptr, "recordXPath", req->recordXPath);
 678             add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
 679             switch(req->sort_type)
 680             {
 681             case Z_SRW_sort_type_none:
 682                 break;
 683             case Z_SRW_sort_type_sort:
 684                 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
 685                 break;
 686             case Z_SRW_sort_type_xSort:
 687                 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
 688                 break;
 689             }
 690             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 691             add_xsd_string(ptr, "database", req->database);
 692         }
 693         else if ((*p)->which == Z_SRW_searchRetrieve_response)
 694         {
 695             Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
 696             xmlNodePtr ptr = xmlNewChild(pptr, 0,
 697                                          "searchRetrieveResponse", 0);
 698             ns_srw = xmlNewNs(ptr, ns, "zs");
 699             xmlSetNs(ptr, ns_srw);
 700
 701             if ((*p)->srw_version)
 702                 add_xsd_string(ptr, "version", (*p)->srw_version);
 703             add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
 704             add_xsd_string(ptr, "resultSetId", res->resultSetId);
 705             add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
 706             if (res->num_records)
 707             {
 708                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "records", 0);
 709                 yaz_srw_records(o, rptr, &res->records, &res->num_records,
 710                                 client_data, ns);
 711             }
 712             add_xsd_integer(ptr, "nextRecordPosition",
 713                             res->nextRecordPosition);
 714             if (res->num_diagnostics)
 715             {
 716                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "diagnostics", 0);
 717                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 718                                     &res->num_diagnostics, client_data, ns);
 719             }
 720         }
 721         else if ((*p)->which == Z_SRW_explain_request)
 722         {
 723             Z_SRW_explainRequest *req = (*p)->u.explain_request;
 724             xmlNodePtr ptr = xmlNewChild(pptr, 0, "explainRequest", 0);
 725             ns_srw = xmlNewNs(ptr, ns, "zs");
 726             xmlSetNs(ptr, ns_srw);
 727
 728             add_xsd_string(ptr, "version", (*p)->srw_version);
 729             add_xsd_string(ptr, "recordPacking", req->recordPacking);
 730             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 731             add_xsd_string(ptr, "database", req->database);
 732         }
 733         else if ((*p)->which == Z_SRW_explain_response)
 734         {
 735             Z_SRW_explainResponse *res = (*p)->u.explain_response;
 736             xmlNodePtr ptr = xmlNewChild(pptr, 0, "explainResponse", 0);
 737             ns_srw = xmlNewNs(ptr, ns, "zs");
 738             xmlSetNs(ptr, ns_srw);
 739
 740             add_xsd_string(ptr, "version", (*p)->srw_version);
 741             if (1)
 742             {
 743                 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, "record", 0);
 744                 yaz_srw_record(o, ptr1, &res->record, client_data, ns);
 745             }
 746             if (res->num_diagnostics)
 747             {
 748                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "diagnostics", 0);
 749                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 750                                     &res->num_diagnostics, client_data, ns);
 751             }
 752         }
 753         else if ((*p)->which == Z_SRW_scan_request)
 754         {
 755             Z_SRW_scanRequest *req = (*p)->u.scan_request;
 756             xmlNodePtr ptr = xmlNewChild(pptr, 0, "scanRequest", 0);
 757             ns_srw = xmlNewNs(ptr, ns, "zs");
 758             xmlSetNs(ptr, ns_srw);
 759
 760             add_xsd_string(ptr, "version", (*p)->srw_version);
 761             add_xsd_string(ptr, "scanClause", req->scanClause);
 762             add_xsd_integer(ptr, "responsePosition", req->responsePosition);
 763             add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
 764             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 765             add_xsd_string(ptr, "database", req->database);
 766         }
 767         else if ((*p)->which == Z_SRW_scan_response)
 768         {
 769             Z_SRW_scanResponse *res = (*p)->u.scan_response;
 770             xmlNodePtr ptr = xmlNewChild(pptr, 0, "scanResponse", 0);
 771             ns_srw = xmlNewNs(ptr, ns, "zs");
 772             xmlSetNs(ptr, ns_srw);
 773
 774             add_xsd_string(ptr, "version", (*p)->srw_version);
 775
 776             if (res->num_terms)
 777             {
 778                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "terms", 0);
 779                 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
 780                               client_data, ns);
 781             }
 782             if (res->num_diagnostics)
 783             {
 784                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "diagnostics", 0);
 785                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 786                                     &res->num_diagnostics, client_data, ns);
 787             }
 788         }
 789         else
 790             return -1;
 791
 792     }
 793     return 0;
 794 }
 795
 796 #endif
 797
 798