src/srw.c

   1 /*
   2  * Copyright (c) 2002-2004, Index Data.
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: srw.c,v 1.19 2004-01-27 12:15:12 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             (*recs)[i].message = 0;
 291         }
 292         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
 293         {
 294             if (ptr->type == XML_ELEMENT_NODE &&
 295                 !strcmp(ptr->name, "diagnostic"))
 296             {
 297                 xmlNodePtr rptr;
 298                 (*recs)[i].code = 0;
 299                 (*recs)[i].details = 0;
 300                 (*recs)[i].message = 0;
 301                 for (rptr = ptr->children; rptr; rptr = rptr->next)
 302                 {
 303                     if (match_xsd_string(rptr, "code", o,
 304                                          &(*recs)[i].code))
 305                         ;
 306                     else if (match_xsd_string(rptr, "details", o,
 307                                               &(*recs)[i].details))
 308                         ;
 309                     else if (match_xsd_string(rptr, "message", o,
 310                                               &(*recs)[i].message))
 311                         ;
 312                 }
 313                 i++;
 314             }
 315         }
 316     }
 317     else if (o->direction == ODR_ENCODE)
 318     {
 319         int i;
 320         xmlNsPtr ns_diag =
 321             xmlNewNs(pptr, "http://www.loc.gov/zing/srw/diagnostics/", "diag");
 322         for (i = 0; i < *num; i++)
 323         {
 324             const char *std_diag = "info:srw/diagnostic/1/1/";
 325             xmlNodePtr rptr = xmlNewChild(pptr, ns_diag, "diagnostic", 0);
 326             add_xsd_string(rptr, "code", (*recs)[i].code);
 327             if ((*recs)[i].message)
 328                 add_xsd_string(rptr, "message", (*recs)[i].message);
 329             else if ((*recs)[i].code &&
 330                      !strncmp((*recs)[i].code, std_diag, strlen(std_diag)))
 331             {
 332                 int no = atoi((*recs)[i].code + strlen(std_diag));
 333                 const char *message = yaz_diag_srw_str(no);
 334                 if (message)
 335                     add_xsd_string(rptr, "message", message);
 336             }
 337             add_xsd_string(rptr, "details", (*recs)[i].details);
 338         }
 339     }
 340     return 0;
 341 }
 342
 343 static int yaz_srw_term(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm *term,
 344                         void *client_data, const char *ns)
 345 {
 346     if (o->direction == ODR_DECODE)
 347     {
 348         xmlNodePtr ptr;
 349         term->value = 0;
 350         term->numberOfRecords = 0;
 351         term->displayTerm = 0;
 352         for (ptr = pptr->children; ptr; ptr = ptr->next)
 353         {
 354             if (match_xsd_string(ptr, "value", o,  &term->value))
 355                 ;
 356             else if (match_xsd_integer(ptr, "numberOfRecords", o,
 357                                    &term->numberOfRecords))
 358                 ;
 359             else if (match_xsd_string(ptr, "displayTerm", o,
 360                                       &term->displayTerm))
 361                 ;
 362         }
 363     }
 364     else if (o->direction == ODR_ENCODE)
 365     {
 366         xmlNodePtr ptr = pptr;
 367         add_xsd_string(ptr, "value", term->value);
 368         add_xsd_integer(ptr, "value", term->numberOfRecords);
 369         add_xsd_string(ptr, "displayTerm", term->displayTerm);
 370     }
 371     return 0;
 372 }
 373
 374 static int yaz_srw_terms(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm **terms,
 375                          int *num, void *client_data, const char *ns)
 376 {
 377     if (o->direction == ODR_DECODE)
 378     {
 379         int i;
 380         xmlNodePtr ptr;
 381         *num = 0;
 382         for (ptr = pptr->children; ptr; ptr = ptr->next)
 383         {
 384             if (ptr->type == XML_ELEMENT_NODE &&
 385                 !strcmp(ptr->name, "term"))
 386                 (*num)++;
 387         }
 388         if (!*num)
 389             return 1;
 390         *terms = odr_malloc(o, *num * sizeof(**terms));
 391         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
 392         {
 393             if (ptr->type == XML_ELEMENT_NODE &&
 394                 !strcmp(ptr->name, "term"))
 395                 yaz_srw_term(o, ptr, (*terms)+i, client_data, ns);
 396         }
 397     }
 398     else if (o->direction == ODR_ENCODE)
 399     {
 400         int i;
 401         for (i = 0; i < *num; i++)
 402         {
 403             xmlNodePtr rptr = xmlNewChild(pptr, 0, "term", 0);
 404             yaz_srw_term(o, rptr, (*terms)+i, client_data, ns);
 405         }
 406     }
 407     return 0;
 408 }
 409
 410 int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
 411                   void *client_data, const char *ns)
 412 {
 413     xmlNodePtr pptr = vptr;
 414     if (o->direction == ODR_DECODE)
 415     {
 416         Z_SRW_PDU **p = handler_data;
 417         xmlNodePtr method = pptr->children;
 418
 419         while (method && method->type == XML_TEXT_NODE)
 420             method = method->next;
 421
 422         if (!method)
 423             return -1;
 424         if (method->type != XML_ELEMENT_NODE)
 425             return -1;
 426
 427         *p = odr_malloc(o, sizeof(**p));
 428         (*p)->srw_version = odr_strdup(o, "1.1");
 429
 430         if (!strcmp(method->name, "searchRetrieveRequest"))
 431         {
 432             xmlNodePtr ptr = method->children;
 433             Z_SRW_searchRetrieveRequest *req;
 434
 435             (*p)->which = Z_SRW_searchRetrieve_request;
 436             req = (*p)->u.request = odr_malloc(o, sizeof(*req));
 437             req->query_type = Z_SRW_query_type_cql;
 438             req->query.cql = 0;
 439             req->sort_type = Z_SRW_sort_type_none;
 440             req->sort.none = 0;
 441             req->startRecord = 0;
 442             req->maximumRecords = 0;
 443             req->recordSchema = 0;
 444             req->recordPacking = 0;
 445             req->recordXPath = 0;
 446             req->resultSetTTL = 0;
 447             req->stylesheet = 0;
 448             req->database = 0;
 449
 450             for (; ptr; ptr = ptr->next)
 451             {
 452                 if (match_xsd_string(ptr, "version", o,
 453                                      &(*p)->srw_version))
 454                     ;
 455                 else if (match_xsd_string(ptr, "query", o,
 456                                      &req->query.cql))
 457                     req->query_type = Z_SRW_query_type_cql;
 458                 else if (match_xsd_string(ptr, "pQuery", o,
 459                                      &req->query.pqf))
 460                     req->query_type = Z_SRW_query_type_pqf;
 461                 else if (match_xsd_string(ptr, "xQuery", o,
 462                                      &req->query.xcql))
 463                     req->query_type = Z_SRW_query_type_xcql;
 464                 else if (match_xsd_integer(ptr, "startRecord", o,
 465                                            &req->startRecord))
 466                     ;
 467                 else if (match_xsd_integer(ptr, "maximumRecords", o,
 468                                            &req->maximumRecords))
 469                     ;
 470                 else if (match_xsd_string(ptr, "recordPacking", o,
 471                                           &req->recordPacking))
 472                     ;
 473                 else if (match_xsd_string(ptr, "recordSchema", o,
 474                                           &req->recordSchema))
 475                     ;
 476                 else if (match_xsd_string(ptr, "recordXPath", o,
 477                                           &req->recordXPath))
 478                     ;
 479                 else if (match_xsd_string(ptr, "resultSetTTL", o,
 480                                            &req->database))
 481                     ;
 482                 else if (match_xsd_string(ptr, "sortKeys", o,
 483                                           &req->sort.sortKeys))
 484                     req->sort_type = Z_SRW_sort_type_sort;
 485                 else if (match_xsd_string(ptr, "stylesheet", o,
 486                                            &req->stylesheet))
 487                     ;
 488                 else if (match_xsd_string(ptr, "database", o,
 489                                            &req->database))
 490                     ;
 491                 /* missing is xQuery, xSortKeys .. */
 492             }
 493         }
 494         else if (!strcmp(method->name, "searchRetrieveResponse"))
 495         {
 496             xmlNodePtr ptr = method->children;
 497             Z_SRW_searchRetrieveResponse *res;
 498
 499             (*p)->which = Z_SRW_searchRetrieve_response;
 500             res = (*p)->u.response = odr_malloc(o, sizeof(*res));
 501
 502             res->numberOfRecords = 0;
 503             res->resultSetId = 0;
 504             res->resultSetIdleTime = 0;
 505             res->records = 0;
 506             res->num_records = 0;
 507             res->diagnostics = 0;
 508             res->num_diagnostics = 0;
 509             res->nextRecordPosition = 0;
 510
 511             for (; ptr; ptr = ptr->next)
 512             {
 513                 if (match_xsd_string(ptr, "version", o,
 514                                      &(*p)->srw_version))
 515                     ;
 516                 else if (match_xsd_integer(ptr, "numberOfRecords", o,
 517                                       &res->numberOfRecords))
 518                     ;
 519                 else if (match_xsd_string(ptr, "resultSetId", o,
 520                                           &res->resultSetId))
 521                     ;
 522                 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
 523                                            &res->resultSetIdleTime))
 524                     ;
 525                 else if (match_element(ptr, "records"))
 526                     yaz_srw_records(o, ptr, &res->records,
 527                                     &res->num_records, client_data,
 528                                     ns);
 529                 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
 530                                            &res->nextRecordPosition))
 531                     ;
 532                 else if (match_element(ptr, "diagnostics"))
 533                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 534                                         &res->num_diagnostics,
 535                                         client_data, ns);
 536             }
 537         }
 538         else if (!strcmp(method->name, "explainRequest"))
 539         {
 540             Z_SRW_explainRequest *req;
 541             xmlNodePtr ptr = method->children;
 542
 543             (*p)->which = Z_SRW_explain_request;
 544             req = (*p)->u.explain_request = odr_malloc(o, sizeof(*req));
 545             req->recordPacking = 0;
 546             req->database = 0;
 547             req->stylesheet = 0;
 548             for (; ptr; ptr = ptr->next)
 549             {
 550                 if (match_xsd_string(ptr, "version", o,
 551                                            &(*p)->srw_version))
 552                     ;
 553                 else if (match_xsd_string(ptr, "stylesheet", o,
 554                                           &req->stylesheet))
 555                     ;
 556                 else if (match_xsd_string(ptr, "recordPacking", o,
 557                                      &req->recordPacking))
 558                     ;
 559                 else if (match_xsd_string(ptr, "database", o,
 560                                      &req->database))
 561                     ;
 562             }
 563         }
 564         else if (!strcmp(method->name, "explainResponse"))
 565         {
 566             Z_SRW_explainResponse *res;
 567             xmlNodePtr ptr = method->children;
 568
 569             (*p)->which = Z_SRW_explain_response;
 570             res = (*p)->u.explain_response = odr_malloc(o, sizeof(*res));
 571             res->diagnostics = 0;
 572             res->num_diagnostics = 0;
 573
 574             for (; ptr; ptr = ptr->next)
 575             {
 576                 if (match_xsd_string(ptr, "version", o,
 577                                            &(*p)->srw_version))
 578                     ;
 579                 else if (match_element(ptr, "record"))
 580                     yaz_srw_record(o, ptr, &res->record, client_data, ns);
 581                 else if (match_element(ptr, "diagnostics"))
 582                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 583                                         &res->num_diagnostics,
 584                                         client_data, ns);
 585                 ;
 586             }
 587         }
 588         else if (!strcmp(method->name, "scanRequest"))
 589         {
 590             Z_SRW_scanRequest *req;
 591             xmlNodePtr ptr = method->children;
 592
 593             (*p)->which = Z_SRW_scan_request;
 594             req = (*p)->u.scan_request = odr_malloc(o, sizeof(*req));
 595             req->database = 0;
 596             req->scanClause = 0;
 597             req->stylesheet = 0;
 598             req->responsePosition = 0;
 599             req->maximumTerms = 0;
 600
 601             for (; ptr; ptr = ptr->next)
 602             {
 603                 if (match_xsd_string(ptr, "version", o,
 604                                      &(*p)->srw_version))
 605                     ;
 606                 else if (match_xsd_string(ptr, "scanClause", o,
 607                                      &req->scanClause))
 608                     ;
 609                 else if (match_xsd_integer(ptr, "responsePosition", o,
 610                                            &req->responsePosition))
 611                     ;
 612                 else if (match_xsd_integer(ptr, "maximumTerms", o,
 613                                            &req->maximumTerms))
 614                     ;
 615                 else if (match_xsd_string(ptr, "stylesheet", o,
 616                                           &req->stylesheet))
 617                     ;
 618                 else if (match_xsd_string(ptr, "database", o,
 619                                           &req->database))
 620                     ;
 621             }
 622         }
 623         else if (!strcmp(method->name, "scanResponse"))
 624         {
 625             Z_SRW_scanResponse *res;
 626             xmlNodePtr ptr = method->children;
 627
 628             (*p)->which = Z_SRW_scan_response;
 629             res = (*p)->u.scan_response = odr_malloc(o, sizeof(*res));
 630             res->terms = 0;
 631             res->num_terms = 0;
 632             res->diagnostics = 0;
 633             res->num_diagnostics = 0;
 634
 635             for (; ptr; ptr = ptr->next)
 636             {
 637                 if (match_xsd_string(ptr, "version", o,
 638                                      &(*p)->srw_version))
 639                     ;
 640                 else if (match_element(ptr, "terms"))
 641                     yaz_srw_terms(o, ptr, &res->terms,
 642                                   &res->num_terms, client_data,
 643                                   ns);
 644                 else if (match_element(ptr, "diagnostics"))
 645                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 646                                         &res->num_diagnostics,
 647                                         client_data, ns);
 648             }
 649         }
 650         else
 651         {
 652             *p = 0;
 653             return -1;
 654         }
 655     }
 656     else if (o->direction == ODR_ENCODE)
 657     {
 658         Z_SRW_PDU **p = handler_data;
 659         xmlNsPtr ns_srw;
 660
 661         if ((*p)->which == Z_SRW_searchRetrieve_request)
 662         {
 663             Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
 664             xmlNodePtr ptr = xmlNewChild(pptr, 0,
 665                                          "searchRetrieveRequest", 0);
 666             ns_srw = xmlNewNs(ptr, ns, "zs");
 667             xmlSetNs(ptr, ns_srw);
 668
 669             if ((*p)->srw_version)
 670                 add_xsd_string(ptr, "version", (*p)->srw_version);
 671             switch(req->query_type)
 672             {
 673             case Z_SRW_query_type_cql:
 674                 add_xsd_string(ptr, "query", req->query.cql);
 675                 break;
 676             case Z_SRW_query_type_xcql:
 677                 add_xsd_string(ptr, "xQuery", req->query.xcql);
 678                 break;
 679             case Z_SRW_query_type_pqf:
 680                 add_xsd_string(ptr, "pQuery", req->query.pqf);
 681                 break;
 682             }
 683             add_xsd_integer(ptr, "startRecord", req->startRecord);
 684             add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
 685             add_xsd_string(ptr, "recordPacking", req->recordPacking);
 686             add_xsd_string(ptr, "recordSchema", req->recordSchema);
 687             add_xsd_string(ptr, "recordXPath", req->recordXPath);
 688             add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
 689             switch(req->sort_type)
 690             {
 691             case Z_SRW_sort_type_none:
 692                 break;
 693             case Z_SRW_sort_type_sort:
 694                 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
 695                 break;
 696             case Z_SRW_sort_type_xSort:
 697                 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
 698                 break;
 699             }
 700             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 701             add_xsd_string(ptr, "database", req->database);
 702         }
 703         else if ((*p)->which == Z_SRW_searchRetrieve_response)
 704         {
 705             Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
 706             xmlNodePtr ptr = xmlNewChild(pptr, 0,
 707                                          "searchRetrieveResponse", 0);
 708             ns_srw = xmlNewNs(ptr, ns, "zs");
 709             xmlSetNs(ptr, ns_srw);
 710
 711             if ((*p)->srw_version)
 712                 add_xsd_string(ptr, "version", (*p)->srw_version);
 713             add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
 714             add_xsd_string(ptr, "resultSetId", res->resultSetId);
 715             add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
 716             if (res->num_records)
 717             {
 718                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "records", 0);
 719                 yaz_srw_records(o, rptr, &res->records, &res->num_records,
 720                                 client_data, ns);
 721             }
 722             add_xsd_integer(ptr, "nextRecordPosition",
 723                             res->nextRecordPosition);
 724             if (res->num_diagnostics)
 725             {
 726                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "diagnostics", 0);
 727                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 728                                     &res->num_diagnostics, client_data, ns);
 729             }
 730         }
 731         else if ((*p)->which == Z_SRW_explain_request)
 732         {
 733             Z_SRW_explainRequest *req = (*p)->u.explain_request;
 734             xmlNodePtr ptr = xmlNewChild(pptr, 0, "explainRequest", 0);
 735             ns_srw = xmlNewNs(ptr, ns, "zs");
 736             xmlSetNs(ptr, ns_srw);
 737
 738             add_xsd_string(ptr, "version", (*p)->srw_version);
 739             add_xsd_string(ptr, "recordPacking", req->recordPacking);
 740             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 741             add_xsd_string(ptr, "database", req->database);
 742         }
 743         else if ((*p)->which == Z_SRW_explain_response)
 744         {
 745             Z_SRW_explainResponse *res = (*p)->u.explain_response;
 746             xmlNodePtr ptr = xmlNewChild(pptr, 0, "explainResponse", 0);
 747             ns_srw = xmlNewNs(ptr, ns, "zs");
 748             xmlSetNs(ptr, ns_srw);
 749
 750             add_xsd_string(ptr, "version", (*p)->srw_version);
 751             if (1)
 752             {
 753                 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, "record", 0);
 754                 yaz_srw_record(o, ptr1, &res->record, client_data, ns);
 755             }
 756             if (res->num_diagnostics)
 757             {
 758                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "diagnostics", 0);
 759                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 760                                     &res->num_diagnostics, client_data, ns);
 761             }
 762         }
 763         else if ((*p)->which == Z_SRW_scan_request)
 764         {
 765             Z_SRW_scanRequest *req = (*p)->u.scan_request;
 766             xmlNodePtr ptr = xmlNewChild(pptr, 0, "scanRequest", 0);
 767             ns_srw = xmlNewNs(ptr, ns, "zs");
 768             xmlSetNs(ptr, ns_srw);
 769
 770             add_xsd_string(ptr, "version", (*p)->srw_version);
 771             add_xsd_string(ptr, "scanClause", req->scanClause);
 772             add_xsd_integer(ptr, "responsePosition", req->responsePosition);
 773             add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
 774             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 775             add_xsd_string(ptr, "database", req->database);
 776         }
 777         else if ((*p)->which == Z_SRW_scan_response)
 778         {
 779             Z_SRW_scanResponse *res = (*p)->u.scan_response;
 780             xmlNodePtr ptr = xmlNewChild(pptr, 0, "scanResponse", 0);
 781             ns_srw = xmlNewNs(ptr, ns, "zs");
 782             xmlSetNs(ptr, ns_srw);
 783
 784             add_xsd_string(ptr, "version", (*p)->srw_version);
 785
 786             if (res->num_terms)
 787             {
 788                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "terms", 0);
 789                 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
 790                               client_data, ns);
 791             }
 792             if (res->num_diagnostics)
 793             {
 794                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "diagnostics", 0);
 795                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 796                                     &res->num_diagnostics, client_data, ns);
 797             }
 798         }
 799         else
 800             return -1;
 801
 802     }
 803     return 0;
 804 }
 805
 806 #endif
 807
 808