src/srw.c

   1 /*
   2  * Copyright (c) 2002-2004, Index Data.
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: srw.c,v 1.14 2004-01-06 11:21:04 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     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             add_xsd_string(rptr, "details", (*recs)[i].details);
 322         }
 323     }
 324     return 0;
 325 }
 326
 327 static int yaz_srw_term(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm *term,
 328                         void *client_data, const char *ns)
 329 {
 330     if (o->direction == ODR_DECODE)
 331     {
 332         xmlNodePtr ptr;
 333         term->value = 0;
 334         term->numberOfRecords = 0;
 335         term->displayTerm = 0;
 336         for (ptr = pptr->children; ptr; ptr = ptr->next)
 337         {
 338             if (match_xsd_string(ptr, "value", o,  &term->value))
 339                 ;
 340             else if (match_xsd_integer(ptr, "numberOfRecords", o,
 341                                    &term->numberOfRecords))
 342                 ;
 343             else if (match_xsd_string(ptr, "displayTerm", o,
 344                                       &term->displayTerm))
 345                 ;
 346         }
 347     }
 348     else if (o->direction == ODR_ENCODE)
 349     {
 350         xmlNodePtr ptr = pptr;
 351         add_xsd_string(ptr, "value", term->value);
 352         add_xsd_integer(ptr, "value", term->numberOfRecords);
 353         add_xsd_string(ptr, "displayTerm", term->displayTerm);
 354     }
 355     return 0;
 356 }
 357
 358 static int yaz_srw_terms(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm **terms,
 359                          int *num, void *client_data, const char *ns)
 360 {
 361     if (o->direction == ODR_DECODE)
 362     {
 363         int i;
 364         xmlNodePtr ptr;
 365         *num = 0;
 366         for (ptr = pptr->children; ptr; ptr = ptr->next)
 367         {
 368             if (ptr->type == XML_ELEMENT_NODE &&
 369                 !strcmp(ptr->name, "term"))
 370                 (*num)++;
 371         }
 372         if (!*num)
 373             return 1;
 374         *terms = odr_malloc(o, *num * sizeof(**terms));
 375         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
 376         {
 377             if (ptr->type == XML_ELEMENT_NODE &&
 378                 !strcmp(ptr->name, "term"))
 379                 yaz_srw_term(o, ptr, (*terms)+i, client_data, ns);
 380         }
 381     }
 382     else if (o->direction == ODR_ENCODE)
 383     {
 384         int i;
 385         for (i = 0; i < *num; i++)
 386         {
 387             xmlNodePtr rptr = xmlNewChild(pptr, 0, "term", 0);
 388             yaz_srw_term(o, rptr, (*terms)+i, client_data, ns);
 389         }
 390     }
 391     return 0;
 392 }
 393
 394 int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
 395                   void *client_data, const char *ns)
 396 {
 397     xmlNodePtr pptr = vptr;
 398     if (o->direction == ODR_DECODE)
 399     {
 400         Z_SRW_PDU **p = handler_data;
 401         xmlNodePtr method = pptr->children;
 402
 403         while (method && method->type == XML_TEXT_NODE)
 404             method = method->next;
 405
 406         if (!method)
 407             return -1;
 408         if (method->type != XML_ELEMENT_NODE)
 409             return -1;
 410
 411         *p = odr_malloc(o, sizeof(**p));
 412         (*p)->srw_version = odr_strdup(o, "1.1");
 413
 414         if (!strcmp(method->name, "searchRetrieveRequest"))
 415         {
 416             xmlNodePtr ptr = method->children;
 417             Z_SRW_searchRetrieveRequest *req;
 418
 419             (*p)->which = Z_SRW_searchRetrieve_request;
 420             req = (*p)->u.request = odr_malloc(o, sizeof(*req));
 421             req->query_type = Z_SRW_query_type_cql;
 422             req->query.cql = 0;
 423             req->sort_type = Z_SRW_sort_type_none;
 424             req->sort.none = 0;
 425             req->startRecord = 0;
 426             req->maximumRecords = 0;
 427             req->recordSchema = 0;
 428             req->recordPacking = 0;
 429             req->recordXPath = 0;
 430             req->resultSetTTL = 0;
 431             req->stylesheet = 0;
 432             req->database = 0;
 433
 434             for (; ptr; ptr = ptr->next)
 435             {
 436                 if (match_xsd_string(ptr, "query", o,
 437                                      &req->query.cql))
 438                     req->query_type = Z_SRW_query_type_cql;
 439                 else if (match_xsd_string(ptr, "pQuery", o,
 440                                      &req->query.pqf))
 441                     req->query_type = Z_SRW_query_type_pqf;
 442                 else if (match_xsd_string(ptr, "xQuery", o,
 443                                      &req->query.xcql))
 444                     req->query_type = Z_SRW_query_type_xcql;
 445                 else if (match_xsd_string(ptr, "sortKeys", o,
 446                                           &req->sort.sortKeys))
 447                     req->sort_type = Z_SRW_sort_type_sort;
 448                 else if (match_xsd_string(ptr, "recordSchema", o,
 449                                           &req->recordSchema))
 450                     ;
 451                 else if (match_xsd_string(ptr, "recordPacking", o,
 452                                           &req->recordPacking))
 453                     ;
 454                 else if (match_xsd_string(ptr, "recordXPath", o,
 455                                           &req->recordXPath))
 456                     ;
 457                 else if (match_xsd_integer(ptr, "startRecord", o,
 458                                            &req->startRecord))
 459                     ;
 460                 else if (match_xsd_integer(ptr, "maximumRecords", o,
 461                                            &req->maximumRecords))
 462                     ;
 463                 else if (match_xsd_string(ptr, "stylesheet", o,
 464                                            &req->stylesheet))
 465                     ;
 466                 else if (match_xsd_string(ptr, "database", o,
 467                                            &req->database))
 468                     ;
 469                 else if (match_xsd_string(ptr, "resultSetTTL", o,
 470                                            &req->database))
 471                     ;
 472                 else if (match_xsd_string(ptr, "version", o,
 473                                            &(*p)->srw_version))
 474                     ;
 475                 /* missing is xQuery, xSortKeys .. */
 476             }
 477         }
 478         else if (!strcmp(method->name, "searchRetrieveResponse"))
 479         {
 480             xmlNodePtr ptr = method->children;
 481             Z_SRW_searchRetrieveResponse *res;
 482
 483             (*p)->which = Z_SRW_searchRetrieve_response;
 484             res = (*p)->u.response = odr_malloc(o, sizeof(*res));
 485
 486             res->numberOfRecords = 0;
 487             res->resultSetId = 0;
 488             res->resultSetIdleTime = 0;
 489             res->records = 0;
 490             res->num_records = 0;
 491             res->diagnostics = 0;
 492             res->num_diagnostics = 0;
 493             res->nextRecordPosition = 0;
 494
 495             for (; ptr; ptr = ptr->next)
 496             {
 497                 if (match_xsd_integer(ptr, "numberOfRecords", o,
 498                                       &res->numberOfRecords))
 499                     ;
 500                 else if (match_xsd_string(ptr, "resultSetId", o,
 501                                           &res->resultSetId))
 502                     ;
 503                 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
 504                                            &res->resultSetIdleTime))
 505                     ;
 506                 else if (match_element(ptr, "records"))
 507                     yaz_srw_records(o, ptr, &res->records,
 508                                     &res->num_records, client_data,
 509                                     ns);
 510                 else if (match_element(ptr, "diagnostics"))
 511                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 512                                         &res->num_diagnostics,
 513                                         client_data, ns);
 514                 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
 515                                            &res->nextRecordPosition))
 516                     ;
 517                 else if (match_xsd_string(ptr, "version", o,
 518                                            &(*p)->srw_version))
 519                     ;
 520             }
 521         }
 522         else if (!strcmp(method->name, "explainRequest"))
 523         {
 524             Z_SRW_explainRequest *req;
 525             xmlNodePtr ptr = method->children;
 526
 527             (*p)->which = Z_SRW_explain_request;
 528             req = (*p)->u.explain_request = odr_malloc(o, sizeof(*req));
 529             req->recordPacking = 0;
 530             req->database = 0;
 531             for (; ptr; ptr = ptr->next)
 532             {
 533                 if (match_xsd_string(ptr, "database", o,
 534                                      &req->database))
 535                     ;
 536                 else if (match_xsd_string(ptr, "recordPacking", o,
 537                                      &req->recordPacking))
 538                     ;
 539                 else if (match_xsd_string(ptr, "version", o,
 540                                            &(*p)->srw_version))
 541                     ;
 542             }
 543         }
 544         else if (!strcmp(method->name, "explainResponse"))
 545         {
 546             Z_SRW_explainResponse *res;
 547             xmlNodePtr ptr = method->children;
 548
 549             (*p)->which = Z_SRW_explain_response;
 550             res = (*p)->u.explain_response = odr_malloc(o, sizeof(*res));
 551             res->diagnostics = 0;
 552             res->num_diagnostics = 0;
 553
 554             for (; ptr; ptr = ptr->next)
 555             {
 556                 if (match_element(ptr, "record"))
 557                     yaz_srw_record(o, ptr, &res->record, client_data, ns);
 558                 else if (match_xsd_string(ptr, "version", o,
 559                                           &(*p)->srw_version))
 560                     ;
 561                 else if (match_element(ptr, "diagnostics"))
 562                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 563                                         &res->num_diagnostics,
 564                                         client_data, ns);
 565                 ;
 566             }
 567         }
 568         else if (!strcmp(method->name, "scanRequest"))
 569         {
 570             Z_SRW_scanRequest *req;
 571             xmlNodePtr ptr = method->children;
 572
 573             (*p)->which = Z_SRW_scan_request;
 574             req = (*p)->u.scan_request = odr_malloc(o, sizeof(*req));
 575             req->database = 0;
 576             req->scanClause = 0;
 577             req->stylesheet = 0;
 578             req->responsePosition = 0;
 579             req->maximumTerms = 0;
 580
 581             for (; ptr; ptr = ptr->next)
 582             {
 583                 if (match_xsd_string(ptr, "version", o,
 584                                      &(*p)->srw_version))
 585                     ;
 586                 else if (match_xsd_string(ptr, "scanClause", o,
 587                                      &req->scanClause))
 588                     ;
 589                 else if (match_xsd_string(ptr, "database", o,
 590                                           &req->database))
 591                     ;
 592                 else if (match_xsd_string(ptr, "stylesheet", o,
 593                                           &req->stylesheet))
 594                     ;
 595                 else if (match_xsd_integer(ptr, "responsePosition", o,
 596                                            &req->responsePosition))
 597                     ;
 598                 else if (match_xsd_integer(ptr, "maximumTerms", o,
 599                                            &req->maximumTerms))
 600                     ;
 601             }
 602         }
 603         else if (!strcmp(method->name, "scanResponse"))
 604         {
 605             Z_SRW_scanResponse *res;
 606             xmlNodePtr ptr = method->children;
 607
 608             (*p)->which = Z_SRW_scan_response;
 609             res = (*p)->u.scan_response = odr_malloc(o, sizeof(*res));
 610             res->terms = 0;
 611             res->num_terms = 0;
 612             res->diagnostics = 0;
 613             res->num_diagnostics = 0;
 614
 615             for (; ptr; ptr = ptr->next)
 616             {
 617                 if (match_element(ptr, "terms"))
 618                     yaz_srw_terms(o, ptr, &res->terms,
 619                                   &res->num_terms, client_data,
 620                                   ns);
 621                 else if (match_element(ptr, "diagnostics"))
 622                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 623                                         &res->num_diagnostics,
 624                                         client_data, ns);
 625                 else if (match_xsd_string(ptr, "version", o,
 626                                           &(*p)->srw_version))
 627                     ;
 628             }
 629         }
 630         else
 631         {
 632             *p = 0;
 633             return -1;
 634         }
 635     }
 636     else if (o->direction == ODR_ENCODE)
 637     {
 638         Z_SRW_PDU **p = handler_data;
 639         xmlNsPtr ns_srw;
 640
 641         if ((*p)->which == Z_SRW_searchRetrieve_request)
 642         {
 643             Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
 644             xmlNodePtr ptr = xmlNewChild(pptr, 0,
 645                                          "searchRetrieveRequest", 0);
 646             ns_srw = xmlNewNs(ptr, ns, "zs");
 647             xmlSetNs(ptr, ns_srw);
 648
 649             if ((*p)->srw_version)
 650                 add_xsd_string(ptr, "version", (*p)->srw_version);
 651             switch(req->query_type)
 652             {
 653             case Z_SRW_query_type_cql:
 654                 add_xsd_string(ptr, "query", req->query.cql);
 655                 break;
 656             case Z_SRW_query_type_xcql:
 657                 add_xsd_string(ptr, "xQuery", req->query.xcql);
 658                 break;
 659             case Z_SRW_query_type_pqf:
 660                 add_xsd_string(ptr, "pQuery", req->query.pqf);
 661                 break;
 662             }
 663             switch(req->sort_type)
 664             {
 665             case Z_SRW_sort_type_none:
 666                 break;
 667             case Z_SRW_sort_type_sort:
 668                 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
 669                 break;
 670             case Z_SRW_sort_type_xSort:
 671                 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
 672                 break;
 673             }
 674             add_xsd_integer(ptr, "startRecord", req->startRecord);
 675             add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
 676             add_xsd_string(ptr, "recordSchema", req->recordSchema);
 677             add_xsd_string(ptr, "recordPacking", req->recordPacking);
 678             add_xsd_string(ptr, "recordXPath", req->recordXPath);
 679             add_xsd_string(ptr, "database", req->database);
 680             add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
 681             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 682         }
 683         else if ((*p)->which == Z_SRW_searchRetrieve_response)
 684         {
 685             Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
 686             xmlNodePtr ptr = xmlNewChild(pptr, 0,
 687                                          "searchRetrieveResponse", 0);
 688             ns_srw = xmlNewNs(ptr, ns, "zs");
 689             xmlSetNs(ptr, ns_srw);
 690
 691             if ((*p)->srw_version)
 692                 add_xsd_string(ptr, "version", (*p)->srw_version);
 693             add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
 694             add_xsd_string(ptr, "resultSetId", res->resultSetId);
 695             add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
 696             if (res->num_records)
 697             {
 698                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "records", 0);
 699                 yaz_srw_records(o, rptr, &res->records, &res->num_records,
 700                                 client_data, ns);
 701             }
 702             if (res->num_diagnostics)
 703             {
 704                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "diagnostics", 0);
 705                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 706                                     &res->num_diagnostics, client_data, ns);
 707             }
 708             add_xsd_integer(ptr, "nextRecordPosition", res->nextRecordPosition);
 709         }
 710         else if ((*p)->which == Z_SRW_explain_request)
 711         {
 712             xmlNodePtr ptr = xmlNewChild(pptr, 0, "explainRequest", 0);
 713             ns_srw = xmlNewNs(ptr, ns, "zs");
 714             xmlSetNs(ptr, ns_srw);
 715
 716             add_xsd_string(ptr, "version", (*p)->srw_version);
 717         }
 718         else if ((*p)->which == Z_SRW_explain_response)
 719         {
 720             Z_SRW_explainResponse *res = (*p)->u.explain_response;
 721             xmlNodePtr ptr = xmlNewChild(pptr, 0, "explainResponse", 0);
 722             ns_srw = xmlNewNs(ptr, ns, "zs");
 723             xmlSetNs(ptr, ns_srw);
 724
 725             add_xsd_string(ptr, "version", (*p)->srw_version);
 726             if (1)
 727             {
 728                 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, "record", 0);
 729                 yaz_srw_record(o, ptr1, &res->record, client_data, ns);
 730             }
 731             if (res->num_diagnostics)
 732             {
 733                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "diagnostics", 0);
 734                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 735                                     &res->num_diagnostics, client_data, ns);
 736             }
 737         }
 738         else if ((*p)->which == Z_SRW_scan_request)
 739         {
 740             Z_SRW_scanRequest *req = (*p)->u.scan_request;
 741             xmlNodePtr ptr = xmlNewChild(pptr, 0, "scanRequest", 0);
 742             ns_srw = xmlNewNs(ptr, ns, "zs");
 743             xmlSetNs(ptr, ns_srw);
 744
 745             add_xsd_string(ptr, "version", (*p)->srw_version);
 746             add_xsd_string(ptr, "scanClause", req->scanClause);
 747             add_xsd_integer(ptr, "responsePosition", req->responsePosition);
 748             add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
 749             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 750         }
 751         else if ((*p)->which == Z_SRW_scan_response)
 752         {
 753             Z_SRW_scanResponse *res = (*p)->u.scan_response;
 754             xmlNodePtr ptr = xmlNewChild(pptr, 0, "scanResponse", 0);
 755             ns_srw = xmlNewNs(ptr, ns, "zs");
 756             xmlSetNs(ptr, ns_srw);
 757
 758             add_xsd_string(ptr, "version", (*p)->srw_version);
 759
 760             if (res->num_terms)
 761             {
 762                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "terms", 0);
 763                 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
 764                               client_data, ns);
 765             }
 766             if (res->num_diagnostics)
 767             {
 768                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "diagnostics", 0);
 769                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 770                                     &res->num_diagnostics, client_data, ns);
 771             }
 772         }
 773         else
 774             return -1;
 775
 776     }
 777     return 0;
 778 }
 779
 780 #endif
 781
 782