src/srw.c

   1 /* This file is part of the YAZ toolkit.
   2  * Copyright (C) 1995-2011 Index Data
   3  * See the file LICENSE for details.
   4  */
   5 /**
   6  * \file srw.c
   7  * \brief Implements SRW/SRU package encoding and decoding
   8  */
   9 #if HAVE_CONFIG_H
  10 #include <config.h>
  11 #endif
  12
  13 #include <stdlib.h>
  14
  15 #include <yaz/srw.h>
  16 #include <yaz/wrbuf.h>
  17 #if YAZ_HAVE_XML2
  18 #include <libxml/parser.h>
  19 #include <libxml/tree.h>
  20 #include <assert.h>
  21
  22 static void add_XML_n(xmlNodePtr ptr, const char *elem, char *val, int len,
  23                       xmlNsPtr ns_ptr)
  24 {
  25     if (val)
  26     {
  27         xmlDocPtr doc = xmlParseMemory(val,len);
  28         if (doc)
  29         {
  30             xmlNodePtr c = xmlNewChild(ptr, ns_ptr, BAD_CAST elem, 0);
  31             xmlNodePtr t = xmlDocGetRootElement(doc);
  32             xmlAddChild(c, xmlCopyNode(t,1));
  33             xmlFreeDoc(doc);
  34         }
  35     }
  36 }
  37
  38 xmlNodePtr add_xsd_string_n(xmlNodePtr ptr, const char *elem, const char *val,
  39                             int len)
  40 {
  41     if (val)
  42     {
  43         xmlNodePtr c = xmlNewChild(ptr, 0, BAD_CAST elem, 0);
  44         xmlNodePtr t = xmlNewTextLen(BAD_CAST val, len);
  45         xmlAddChild(c, t);
  46         return t;
  47     }
  48     return 0;
  49 }
  50
  51 xmlNodePtr add_xsd_string_ns(xmlNodePtr ptr, const char *elem, const char *val,
  52                              xmlNsPtr ns_ptr)
  53 {
  54     if (val)
  55     {
  56         xmlNodePtr c = xmlNewChild(ptr, ns_ptr, BAD_CAST elem, 0);
  57         xmlNodePtr t = xmlNewText(BAD_CAST val);
  58         xmlAddChild(c, t);
  59         return t;
  60     }
  61     return 0;
  62 }
  63
  64 xmlNodePtr add_xsd_string(xmlNodePtr ptr, const char *elem, const char *val)
  65 {
  66     return add_xsd_string_ns(ptr, elem, val, 0);
  67 }
  68
  69 static void add_xsd_integer(xmlNodePtr ptr, const char *elem,
  70                             const Odr_int *val)
  71 {
  72     if (val)
  73     {
  74         char str[40];
  75         sprintf(str, ODR_INT_PRINTF, *val);
  76         xmlNewTextChild(ptr, 0, BAD_CAST elem, BAD_CAST str);
  77     }
  78 }
  79
  80 static int match_element(xmlNodePtr ptr, const char *elem)
  81 {
  82     if (ptr->type == XML_ELEMENT_NODE && !xmlStrcmp(ptr->name, BAD_CAST elem))
  83     {
  84         return 1;
  85     }
  86     return 0;
  87 }
  88
  89 #define CHECK_TYPE 0
  90
  91 static int match_xsd_string_n(xmlNodePtr ptr, const char *elem, ODR o,
  92                               char **val, int *len)
  93 {
  94 #if CHECK_TYPE
  95     struct _xmlAttr *attr;
  96 #endif
  97     if (!match_element(ptr, elem))
  98         return 0;
  99 #if CHECK_TYPE
 100     for (attr = ptr->properties; attr; attr = attr->next)
 101         if (!strcmp(attr->name, "type") &&
 102             attr->children && attr->children->type == XML_TEXT_NODE)
 103         {
 104             const char *t = strchr(attr->children->content, ':');
 105             if (t)
 106                 t = t + 1;
 107             else
 108                 t = attr->children->content;
 109             if (!strcmp(t, "string"))
 110                 break;
 111         }
 112     if (!attr)
 113         return 0;
 114 #endif
 115     ptr = ptr->children;
 116     if (!ptr || ptr->type != XML_TEXT_NODE)
 117     {
 118         *val = "";
 119         return 1;
 120     }
 121     *val = odr_strdup(o, (const char *) ptr->content);
 122     if (len)
 123         *len = xmlStrlen(ptr->content);
 124     return 1;
 125 }
 126
 127
 128 static int match_xsd_string(xmlNodePtr ptr, const char *elem, ODR o,
 129                             char **val)
 130 {
 131     return match_xsd_string_n(ptr, elem, o, val, 0);
 132 }
 133
 134 static int match_xsd_XML_n(xmlNodePtr ptr, const char *elem, ODR o,
 135                            char **val, int *len)
 136 {
 137     xmlBufferPtr buf;
 138
 139     if (!match_element(ptr, elem))
 140         return 0;
 141
 142     buf = xmlBufferCreate();
 143
 144     /* Copy each element nodes at top.
 145        In most cases there is only one root node.. At least one server
 146        http://www.theeuropeanlibrary.org/sru/sru.pl
 147        has multiple root nodes in recordData.
 148     */
 149     for (ptr = ptr->children; ptr; ptr = ptr->next)
 150     {
 151         if (ptr->type == XML_ELEMENT_NODE)
 152         {
 153             /* copy node to get NS right (bug #740). */
 154             xmlNode *tmp = xmlCopyNode(ptr, 1);
 155
 156             xmlNodeDump(buf, tmp->doc, tmp, 0, 0);
 157
 158             xmlFreeNode(tmp);
 159         }
 160     }
 161
 162     *val = (char *) odr_malloc(o, buf->use+1);
 163     memcpy (*val, buf->content, buf->use);
 164     (*val)[buf->use] = '\0';
 165
 166     if (len)
 167         *len = buf->use;
 168
 169     xmlBufferFree(buf);
 170
 171     return 1;
 172 }
 173
 174 static int match_xsd_integer(xmlNodePtr ptr, const char *elem, ODR o,
 175                              Odr_int **val)
 176 {
 177 #if CHECK_TYPE
 178     struct _xmlAttr *attr;
 179 #endif
 180     if (!match_element(ptr, elem))
 181         return 0;
 182 #if CHECK_TYPE
 183     for (attr = ptr->properties; attr; attr = attr->next)
 184         if (!strcmp(attr->name, "type") &&
 185             attr->children && attr->children->type == XML_TEXT_NODE)
 186         {
 187             const char *t = strchr(attr->children->content, ':');
 188             if (t)
 189                 t = t + 1;
 190             else
 191                 t = attr->children->content;
 192             if (!strcmp(t, "integer"))
 193                 break;
 194         }
 195     if (!attr)
 196         return 0;
 197 #endif
 198     ptr = ptr->children;
 199     if (!ptr || ptr->type != XML_TEXT_NODE)
 200         return 0;
 201     *val = odr_intdup(o, odr_atoi((const char *) ptr->content));
 202     return 1;
 203 }
 204
 205 char *yaz_negotiate_sru_version(char *input_ver)
 206 {
 207     if (!input_ver)
 208         input_ver = "1.1";
 209
 210     if (!strcmp(input_ver, "1.1"))
 211         return "1.1";
 212     return  "1.2"; /* our latest supported version */
 213 }
 214
 215 static int yaz_srw_record(ODR o, xmlNodePtr pptr, Z_SRW_record *rec,
 216                           Z_SRW_extra_record **extra,
 217                           void *client_data, const char *ns)
 218 {
 219     if (o->direction == ODR_DECODE)
 220     {
 221         Z_SRW_extra_record ex;
 222
 223         char *spack = 0;
 224         int pack = Z_SRW_recordPacking_string;
 225         xmlNodePtr ptr;
 226         xmlNodePtr data_ptr = 0;
 227         rec->recordSchema = 0;
 228         rec->recordData_buf = 0;
 229         rec->recordData_len = 0;
 230         rec->recordPosition = 0;
 231         *extra = 0;
 232
 233         ex.extraRecordData_buf = 0;
 234         ex.extraRecordData_len = 0;
 235         ex.recordIdentifier = 0;
 236
 237         for (ptr = pptr->children; ptr; ptr = ptr->next)
 238         {
 239
 240             if (match_xsd_string(ptr, "recordSchema", o,
 241                                  &rec->recordSchema))
 242                 ;
 243             else if (match_xsd_string(ptr, "recordPacking", o, &spack))
 244             {
 245                 if (spack)
 246                     pack = yaz_srw_str_to_pack(spack);
 247             }
 248             else if (match_xsd_integer(ptr, "recordPosition", o,
 249                                        &rec->recordPosition))
 250                 ;
 251             else if (match_element(ptr, "recordData"))
 252             {
 253                 /* save position of Data until after the loop
 254                    then we will know the packing (hopefully), and
 255                    unpacking is done once
 256                 */
 257                 data_ptr = ptr;
 258             }
 259             else if (match_xsd_XML_n(ptr, "extraRecordData", o,
 260                                      &ex.extraRecordData_buf,
 261                                      &ex.extraRecordData_len) )
 262                 ;
 263             else if (match_xsd_string(ptr, "recordIdentifier", o,
 264                                       &ex.recordIdentifier))
 265                 ;
 266
 267         }
 268         if (data_ptr)
 269         {
 270             switch(pack)
 271             {
 272             case Z_SRW_recordPacking_XML:
 273                 match_xsd_XML_n(data_ptr, "recordData", o,
 274                                 &rec->recordData_buf, &rec->recordData_len);
 275                 break;
 276             case Z_SRW_recordPacking_URL:
 277                 /* just store it as a string.
 278                    leave it to the backend to collect the document */
 279                 match_xsd_string_n(data_ptr, "recordData", o,
 280                                    &rec->recordData_buf, &rec->recordData_len);
 281                 break;
 282             case Z_SRW_recordPacking_string:
 283                 match_xsd_string_n(data_ptr, "recordData", o,
 284                                    &rec->recordData_buf, &rec->recordData_len);
 285                 break;
 286             }
 287         }
 288         rec->recordPacking = pack;
 289         if (ex.extraRecordData_buf || ex.recordIdentifier)
 290         {
 291             *extra = (Z_SRW_extra_record *)
 292                 odr_malloc(o, sizeof(Z_SRW_extra_record));
 293             memcpy(*extra, &ex, sizeof(Z_SRW_extra_record));
 294         }
 295     }
 296     else if (o->direction == ODR_ENCODE)
 297     {
 298         xmlNodePtr ptr = pptr;
 299         int pack = rec->recordPacking;
 300         const char *spack = yaz_srw_pack_to_str(pack);
 301
 302         add_xsd_string(ptr, "recordSchema", rec->recordSchema);
 303         if (spack)
 304             add_xsd_string(ptr, "recordPacking", spack);
 305         switch(pack)
 306         {
 307         case Z_SRW_recordPacking_string:
 308             add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
 309                              rec->recordData_len);
 310             break;
 311         case Z_SRW_recordPacking_XML:
 312             add_XML_n(ptr, "recordData", rec->recordData_buf,
 313                       rec->recordData_len, 0);
 314             break;
 315         case Z_SRW_recordPacking_URL:
 316             add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
 317                              rec->recordData_len);
 318             break;
 319         }
 320         if (rec->recordPosition)
 321             add_xsd_integer(ptr, "recordPosition", rec->recordPosition );
 322         if (extra && *extra)
 323         {
 324             if ((*extra)->recordIdentifier)
 325                 add_xsd_string(ptr, "recordIdentifier",
 326                                (*extra)->recordIdentifier);
 327             if ((*extra)->extraRecordData_buf)
 328                 add_XML_n(ptr, "extraRecordData",
 329                           (*extra)->extraRecordData_buf,
 330                           (*extra)->extraRecordData_len, 0);
 331         }
 332     }
 333     return 0;
 334 }
 335
 336 static int yaz_srw_records(ODR o, xmlNodePtr pptr, Z_SRW_record **recs,
 337                            Z_SRW_extra_record ***extra,
 338                            int *num, void *client_data, const char *ns)
 339 {
 340     if (o->direction == ODR_DECODE)
 341     {
 342         int i;
 343         xmlNodePtr ptr;
 344         *num = 0;
 345         for (ptr = pptr->children; ptr; ptr = ptr->next)
 346         {
 347             if (ptr->type == XML_ELEMENT_NODE &&
 348                 !xmlStrcmp(ptr->name, BAD_CAST "record"))
 349                 (*num)++;
 350         }
 351         if (!*num)
 352             return 1;
 353         *recs = (Z_SRW_record *) odr_malloc(o, *num * sizeof(**recs));
 354         *extra = (Z_SRW_extra_record **) odr_malloc(o, *num * sizeof(**extra));
 355         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
 356         {
 357             if (ptr->type == XML_ELEMENT_NODE &&
 358                 !xmlStrcmp(ptr->name, BAD_CAST "record"))
 359             {
 360                 yaz_srw_record(o, ptr, *recs + i, *extra + i, client_data, ns);
 361                 i++;
 362             }
 363         }
 364     }
 365     else if (o->direction == ODR_ENCODE)
 366     {
 367         int i;
 368         for (i = 0; i < *num; i++)
 369         {
 370             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "record",
 371                                           0);
 372             yaz_srw_record(o, rptr, (*recs)+i, (*extra ? *extra + i : 0),
 373                            client_data, ns);
 374         }
 375     }
 376     return 0;
 377 }
 378
 379 static int yaz_srw_version(ODR o, xmlNodePtr pptr, Z_SRW_recordVersion *rec,
 380                            void *client_data, const char *ns)
 381 {
 382     if (o->direction == ODR_DECODE)
 383     {
 384         xmlNodePtr ptr;
 385         rec->versionType = 0;
 386         rec->versionValue = 0;
 387         for (ptr = pptr->children; ptr; ptr = ptr->next)
 388         {
 389
 390             if (match_xsd_string(ptr, "versionType", o,
 391                                  &rec->versionType))
 392                 ;
 393             else if (match_xsd_string(ptr, "versionValue", o,
 394                                       &rec->versionValue))
 395                 ;
 396         }
 397     }
 398     else if (o->direction == ODR_ENCODE)
 399         {
 400         xmlNodePtr ptr = pptr;
 401         add_xsd_string(ptr, "versionType", rec->versionType);
 402         add_xsd_string(ptr, "versionValue", rec->versionValue);
 403     }
 404     return 0;
 405 }
 406
 407 static int yaz_srw_versions(ODR o, xmlNodePtr pptr,
 408                             Z_SRW_recordVersion **vers,
 409                             int *num, void *client_data, const char *ns)
 410 {
 411     if (o->direction == ODR_DECODE)
 412     {
 413         int i;
 414         xmlNodePtr ptr;
 415         *num = 0;
 416         for (ptr = pptr->children; ptr; ptr = ptr->next)
 417         {
 418             if (ptr->type == XML_ELEMENT_NODE &&
 419                 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
 420                 (*num)++;
 421         }
 422         if (!*num)
 423             return 1;
 424         *vers = (Z_SRW_recordVersion *) odr_malloc(o, *num * sizeof(**vers));
 425         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
 426         {
 427             if (ptr->type == XML_ELEMENT_NODE &&
 428                 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
 429             {
 430                 yaz_srw_version(o, ptr, *vers + i, client_data, ns);
 431                 i++;
 432             }
 433         }
 434     }
 435     else if (o->direction == ODR_ENCODE)
 436     {
 437         int i;
 438         for (i = 0; i < *num; i++)
 439             {
 440             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "version",
 441                                           0);
 442             yaz_srw_version(o, rptr, (*vers)+i, client_data, ns);
 443         }
 444     }
 445     return 0;
 446 }
 447
 448 Z_FacetTerm *yaz_sru_proxy_get_facet_term_count(ODR odr, xmlNodePtr node) {
 449
 450     int freq;
 451     xmlNodePtr child;
 452     WRBUF wrbuf = wrbuf_alloc();
 453     const char *freq_string = yaz_element_attribute_value_get(node, "facetvalue", "est_representation");
 454     Z_Term *term;
 455     if (freq_string)
 456         freq =  atoi(freq_string);
 457     else
 458         freq = -1;
 459
 460     for (child = node->children; child ; child = child->next) {
 461         if (child->type == XML_TEXT_NODE)
 462         wrbuf_puts(wrbuf, (const char *) child->content);
 463     }
 464     term = term_create(odr, wrbuf_cstr(wrbuf));
 465     yaz_log(YLOG_DEBUG, "sru-proxy facet: %s %d", wrbuf_cstr(wrbuf), freq);
 466     wrbuf_destroy(wrbuf);
 467     return facet_term_create(odr, term, freq);
 468 };
 469
 470 static Z_FacetField *yaz_sru_proxy_decode_facet_field(ODR odr, xmlNodePtr ptr) {
 471     Z_AttributeList *list;
 472     Z_FacetField *facet_field;
 473     int num_terms = 0;
 474     int index = 0;
 475     xmlNodePtr node;
 476     // USE attribute
 477     const char* name = yaz_element_attribute_value_get(ptr, "facet", "code");
 478     yaz_log(YLOG_DEBUG, "sru-proxy facet type: %s", name);
 479
 480     list = yaz_use_atttribute_create(odr, name);
 481     for (node = ptr->children; node; node = node->next) {
 482         if (match_element(node, "facetvalue"))
 483             num_terms++;
 484     }
 485     facet_field = facet_field_create(odr, list, num_terms);
 486     index = 0;
 487     for (node = ptr->children; node; node = node->next) {
 488         if (match_element(node, "facetvalue")) {
 489             facet_field_term_set(odr, facet_field, yaz_sru_proxy_get_facet_term_count(odr, node), index);
 490         index++;
 491         }
 492     }
 493     return facet_field;
 494 }
 495
 496 static int yaz_sru_proxy_decode_facets(ODR o, xmlNodePtr root, Z_FacetList **facetList)
 497 {
 498     xmlNodePtr ptr;
 499
 500     for (ptr = root->children; ptr; ptr = ptr->next)
 501     {
 502         if (match_element(ptr, "facets"))
 503         {
 504             xmlNodePtr node;
 505             Z_FacetList *facet_list;
 506             int num_facets = 0;
 507             for (node = ptr->children; node; node= node->next)
 508             {
 509                 if (node->type == XML_ELEMENT_NODE)
 510                     num_facets++;
 511             }
 512             facet_list = facet_list_create(o, num_facets);
 513             num_facets = 0;
 514             for (node = ptr->children; node; node= node->next)
 515             {
 516                 if (match_element(node, "facet")) {
 517                     facet_list_field_set(o, facet_list, yaz_sru_proxy_decode_facet_field(o, node), num_facets);
 518                     num_facets++;
 519                 }
 520             }
 521             *facetList = facet_list;
 522             break;
 523         }
 524     }
 525     return 0;
 526 }
 527
 528
 529
 530 static int yaz_srw_decode_diagnostics(ODR o, xmlNodePtr pptr,
 531                                       Z_SRW_diagnostic **recs, int *num,
 532                                       void *client_data, const char *ns)
 533 {
 534     int i;
 535     xmlNodePtr ptr;
 536     *num = 0;
 537     for (ptr = pptr; ptr; ptr = ptr->next)
 538     {
 539             if (ptr->type == XML_ELEMENT_NODE &&
 540                 !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
 541                 (*num)++;
 542     }
 543     if (!*num)
 544         return 1;
 545     *recs = (Z_SRW_diagnostic *) odr_malloc(o, *num * sizeof(**recs));
 546     for (i = 0; i < *num; i++)
 547         {
 548             (*recs)[i].uri = 0;
 549             (*recs)[i].details = 0;
 550             (*recs)[i].message = 0;
 551         }
 552     for (i = 0, ptr = pptr; ptr; ptr = ptr->next)
 553     {
 554         if (ptr->type == XML_ELEMENT_NODE &&
 555             !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
 556         {
 557             xmlNodePtr rptr;
 558             (*recs)[i].uri = 0;
 559             (*recs)[i].details = 0;
 560             (*recs)[i].message = 0;
 561             for (rptr = ptr->children; rptr; rptr = rptr->next)
 562             {
 563                 if (match_xsd_string(rptr, "uri", o,
 564                                      &(*recs)[i].uri))
 565                     ;
 566                 else if (match_xsd_string(rptr, "details", o,
 567                                           &(*recs)[i].details))
 568                     ;
 569                 else if (match_xsd_string(rptr, "message", o,
 570                                           &(*recs)[i].message))
 571                     ;
 572             }
 573             i++;
 574         }
 575     }
 576     return 0;
 577 }
 578
 579 int sru_decode_surrogate_diagnostics(const char *buf, size_t len,
 580                                      Z_SRW_diagnostic **diag,
 581                                      int *num, ODR odr)
 582 {
 583     int ret = 0;
 584     xmlDocPtr doc = xmlParseMemory(buf, len);
 585     if (doc)
 586     {
 587         xmlNodePtr ptr = xmlDocGetRootElement(doc);
 588         while (ptr && ptr->type != XML_ELEMENT_NODE)
 589             ptr = ptr->next;
 590         if (ptr && ptr->ns
 591             && !xmlStrcmp(ptr->ns->href,
 592                           BAD_CAST "http://www.loc.gov/zing/srw/diagnostic/"))
 593         {
 594             ret = yaz_srw_decode_diagnostics(odr, ptr, diag, num, 0, 0);
 595         }
 596         xmlFreeDoc(doc);
 597     }
 598     return ret;
 599 }
 600
 601 static int yaz_srw_diagnostics(ODR o, xmlNodePtr pptr, Z_SRW_diagnostic **recs,
 602                                int *num, void *client_data, const char *ns)
 603 {
 604     if (o->direction == ODR_DECODE)
 605     {
 606         return yaz_srw_decode_diagnostics(o, pptr->children, recs, num, client_data, ns);
 607     }
 608     else if (o->direction == ODR_ENCODE)
 609     {
 610         int i;
 611         xmlNsPtr ns_diag =
 612             xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1, BAD_CAST "diag" );
 613         for (i = 0; i < *num; i++)
 614         {
 615             const char *std_diag = "info:srw/diagnostic/1/";
 616             const char *ucp_diag = "info:srw/diagnostic/12/";
 617             xmlNodePtr rptr = xmlNewChild(pptr, ns_diag,
 618                                           BAD_CAST "diagnostic", 0);
 619             add_xsd_string(rptr, "uri", (*recs)[i].uri);
 620             if ((*recs)[i].message)
 621                 add_xsd_string(rptr, "message", (*recs)[i].message);
 622             else if ((*recs)[i].uri )
 623             {
 624                 if (!strncmp((*recs)[i].uri, std_diag, strlen(std_diag)))
 625                 {
 626                     int no = atoi((*recs)[i].uri + strlen(std_diag));
 627                     const char *message = yaz_diag_srw_str(no);
 628                     if (message)
 629                         add_xsd_string(rptr, "message", message);
 630                 }
 631                 else if (!strncmp((*recs)[i].uri, ucp_diag, strlen(ucp_diag)))
 632                 {
 633                     int no = atoi((*recs)[i].uri + strlen(ucp_diag));
 634                     const char *message = yaz_diag_sru_update_str(no);
 635                     if (message)
 636                         add_xsd_string(rptr, "message", message);
 637                 }
 638             }
 639             add_xsd_string(rptr, "details", (*recs)[i].details);
 640         }
 641     }
 642     return 0;
 643 }
 644
 645 static int yaz_srw_term(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm *term,
 646                         void *client_data, const char *ns)
 647 {
 648     if (o->direction == ODR_DECODE)
 649     {
 650         xmlNodePtr ptr;
 651         term->value = 0;
 652         term->numberOfRecords = 0;
 653         term->displayTerm = 0;
 654         term->whereInList = 0;
 655         for (ptr = pptr->children; ptr; ptr = ptr->next)
 656         {
 657             if (match_xsd_string(ptr, "value", o,  &term->value))
 658                 ;
 659             else if (match_xsd_integer(ptr, "numberOfRecords", o,
 660                                    &term->numberOfRecords))
 661                 ;
 662             else if (match_xsd_string(ptr, "displayTerm", o,
 663                                       &term->displayTerm))
 664                 ;
 665             else if (match_xsd_string(ptr, "whereInList", o,
 666                                       &term->whereInList))
 667                 ;
 668         }
 669     }
 670     else if (o->direction == ODR_ENCODE)
 671     {
 672         xmlNodePtr ptr = pptr;
 673         add_xsd_string(ptr, "value", term->value);
 674         add_xsd_integer(ptr, "numberOfRecords", term->numberOfRecords);
 675         add_xsd_string(ptr, "displayTerm", term->displayTerm);
 676         add_xsd_string(ptr, "whereInList", term->whereInList);
 677     }
 678     return 0;
 679 }
 680
 681 static int yaz_srw_terms(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm **terms,
 682                          int *num, void *client_data, const char *ns)
 683 {
 684     if (o->direction == ODR_DECODE)
 685     {
 686         int i;
 687         xmlNodePtr ptr;
 688         *num = 0;
 689         for (ptr = pptr->children; ptr; ptr = ptr->next)
 690         {
 691             if (ptr->type == XML_ELEMENT_NODE &&
 692                 !xmlStrcmp(ptr->name, BAD_CAST "term"))
 693                 (*num)++;
 694         }
 695         if (!*num)
 696             return 1;
 697         *terms = (Z_SRW_scanTerm *) odr_malloc(o, *num * sizeof(**terms));
 698         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
 699         {
 700             if (ptr->type == XML_ELEMENT_NODE &&
 701                 !xmlStrcmp(ptr->name, BAD_CAST "term"))
 702                 yaz_srw_term(o, ptr, (*terms)+i, client_data, ns);
 703         }
 704     }
 705     else if (o->direction == ODR_ENCODE)
 706     {
 707         int i;
 708         for (i = 0; i < *num; i++)
 709         {
 710             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "term", 0);
 711             yaz_srw_term(o, rptr, (*terms)+i, client_data, ns);
 712         }
 713     }
 714     return 0;
 715 }
 716
 717 int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
 718                   void *client_data, const char *ns)
 719 {
 720     xmlNodePtr pptr = (xmlNodePtr) vptr;
 721     if (o->direction == ODR_DECODE)
 722     {
 723         Z_SRW_PDU **p = handler_data;
 724         xmlNodePtr method = pptr->children;
 725         char *neg_version;
 726
 727         while (method && method->type == XML_TEXT_NODE)
 728             method = method->next;
 729
 730         if (!method)
 731             return -1;
 732         if (method->type != XML_ELEMENT_NODE)
 733             return -1;
 734
 735         *p = yaz_srw_get_core_v_1_1(o);
 736
 737         if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveRequest"))
 738         {
 739             xmlNodePtr ptr = method->children;
 740             Z_SRW_searchRetrieveRequest *req;
 741
 742             (*p)->which = Z_SRW_searchRetrieve_request;
 743             req = (*p)->u.request = (Z_SRW_searchRetrieveRequest *)
 744                 odr_malloc(o, sizeof(*req));
 745             req->query_type = Z_SRW_query_type_cql;
 746             req->query.cql = 0;
 747             req->sort_type = Z_SRW_sort_type_none;
 748             req->sort.none = 0;
 749             req->startRecord = 0;
 750             req->maximumRecords = 0;
 751             req->recordSchema = 0;
 752             req->recordPacking = 0;
 753             req->recordXPath = 0;
 754             req->resultSetTTL = 0;
 755             req->stylesheet = 0;
 756             req->database = 0;
 757
 758             for (; ptr; ptr = ptr->next)
 759             {
 760                 if (match_xsd_string(ptr, "version", o,
 761                                      &(*p)->srw_version))
 762                     ;
 763                 else if (match_xsd_string(ptr, "query", o,
 764                                      &req->query.cql))
 765                     req->query_type = Z_SRW_query_type_cql;
 766                 else if (match_xsd_string(ptr, "pQuery", o,
 767                                      &req->query.pqf))
 768                     req->query_type = Z_SRW_query_type_pqf;
 769                 else if (match_xsd_string(ptr, "xQuery", o,
 770                                      &req->query.xcql))
 771                     req->query_type = Z_SRW_query_type_xcql;
 772                 else if (match_xsd_integer(ptr, "startRecord", o,
 773                                            &req->startRecord))
 774                     ;
 775                 else if (match_xsd_integer(ptr, "maximumRecords", o,
 776                                            &req->maximumRecords))
 777                     ;
 778                 else if (match_xsd_string(ptr, "recordPacking", o,
 779                                           &req->recordPacking))
 780                     ;
 781                 else if (match_xsd_string(ptr, "recordSchema", o,
 782                                           &req->recordSchema))
 783                     ;
 784                 else if (match_xsd_string(ptr, "recordXPath", o,
 785                                           &req->recordXPath))
 786                     ;
 787                 else if (match_xsd_integer(ptr, "resultSetTTL", o,
 788                                            &req->resultSetTTL))
 789                     ;
 790                 else if (match_xsd_string(ptr, "sortKeys", o,
 791                                           &req->sort.sortKeys))
 792                     req->sort_type = Z_SRW_sort_type_sort;
 793                 else if (match_xsd_string(ptr, "stylesheet", o,
 794                                            &req->stylesheet))
 795                     ;
 796                 else if (match_xsd_string(ptr, "database", o,
 797                                            &req->database))
 798                     ;
 799             }
 800             if (!req->query.cql && !req->query.pqf && !req->query.xcql)
 801             {
 802                 /* should put proper diagnostic here */
 803                 return -1;
 804             }
 805         }
 806         else if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveResponse"))
 807         {
 808             xmlNodePtr ptr = method->children;
 809             Z_SRW_searchRetrieveResponse *res;
 810
 811             (*p)->which = Z_SRW_searchRetrieve_response;
 812             res = (*p)->u.response = (Z_SRW_searchRetrieveResponse *)
 813                 odr_malloc(o, sizeof(*res));
 814
 815             res->numberOfRecords = 0;
 816             res->resultSetId = 0;
 817             res->resultSetIdleTime = 0;
 818             res->records = 0;
 819             res->num_records = 0;
 820             res->diagnostics = 0;
 821             res->num_diagnostics = 0;
 822             res->nextRecordPosition = 0;
 823             res->facetList = 0;
 824
 825             for (; ptr; ptr = ptr->next)
 826             {
 827                 if (match_xsd_string(ptr, "version", o,
 828                                      &(*p)->srw_version))
 829                     ;
 830                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 831                                          &(*p)->extraResponseData_buf,
 832                                          &(*p)->extraResponseData_len))
 833                     ;
 834                 else if (match_xsd_integer(ptr, "numberOfRecords", o,
 835                                       &res->numberOfRecords))
 836                     ;
 837                 else if (match_xsd_string(ptr, "resultSetId", o,
 838                                           &res->resultSetId))
 839                     ;
 840                 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
 841                                            &res->resultSetIdleTime))
 842                     ;
 843                 else if (match_element(ptr, "records"))
 844                     yaz_srw_records(o, ptr, &res->records,
 845                                     &res->extra_records,
 846                                     &res->num_records, client_data, ns);
 847                 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
 848                                            &res->nextRecordPosition))
 849                     ;
 850                 else if (match_element(ptr, "diagnostics"))
 851                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 852                                         &res->num_diagnostics,
 853                                         client_data, ns);
 854                 else if (match_element(ptr, "facet_analysis"))
 855                     yaz_sru_proxy_decode_facets(o, ptr, &res->facetList);
 856             }
 857         }
 858         else if (!xmlStrcmp(method->name, BAD_CAST "explainRequest"))
 859         {
 860             Z_SRW_explainRequest *req;
 861             xmlNodePtr ptr = method->children;
 862
 863             (*p)->which = Z_SRW_explain_request;
 864             req = (*p)->u.explain_request = (Z_SRW_explainRequest *)
 865                 odr_malloc(o, sizeof(*req));
 866             req->recordPacking = 0;
 867             req->database = 0;
 868             req->stylesheet = 0;
 869             for (; ptr; ptr = ptr->next)
 870             {
 871                 if (match_xsd_string(ptr, "version", o,
 872                                            &(*p)->srw_version))
 873                     ;
 874                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 875                                          &(*p)->extraResponseData_buf,
 876                                          &(*p)->extraResponseData_len))
 877                     ;
 878                 else if (match_xsd_string(ptr, "stylesheet", o,
 879                                           &req->stylesheet))
 880                     ;
 881                 else if (match_xsd_string(ptr, "recordPacking", o,
 882                                      &req->recordPacking))
 883                     ;
 884                 else if (match_xsd_string(ptr, "database", o,
 885                                      &req->database))
 886                     ;
 887             }
 888         }
 889         else if (!xmlStrcmp(method->name, BAD_CAST "explainResponse"))
 890         {
 891             Z_SRW_explainResponse *res;
 892             xmlNodePtr ptr = method->children;
 893
 894             (*p)->which = Z_SRW_explain_response;
 895             res = (*p)->u.explain_response = (Z_SRW_explainResponse*)
 896                 odr_malloc(o, sizeof(*res));
 897             res->diagnostics = 0;
 898             res->num_diagnostics = 0;
 899             res->record.recordSchema = 0;
 900             res->record.recordData_buf = 0;
 901             res->record.recordData_len = 0;
 902             res->record.recordPosition = 0;
 903
 904             for (; ptr; ptr = ptr->next)
 905             {
 906                 if (match_xsd_string(ptr, "version", o,
 907                                            &(*p)->srw_version))
 908                     ;
 909                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 910                                          &(*p)->extraResponseData_buf,
 911                                          &(*p)->extraResponseData_len))
 912                     ;
 913                 else if (match_element(ptr, "record"))
 914                     yaz_srw_record(o, ptr, &res->record, &res->extra_record,
 915                                    client_data, ns);
 916                 else if (match_element(ptr, "diagnostics"))
 917                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 918                                         &res->num_diagnostics,
 919                                         client_data, ns);
 920                 ;
 921             }
 922         }
 923         else if (!xmlStrcmp(method->name, BAD_CAST "scanRequest"))
 924         {
 925             Z_SRW_scanRequest *req;
 926             xmlNodePtr ptr = method->children;
 927
 928             (*p)->which = Z_SRW_scan_request;
 929             req = (*p)->u.scan_request = (Z_SRW_scanRequest *)
 930                 odr_malloc(o, sizeof(*req));
 931             req->query_type = Z_SRW_query_type_cql;
 932             req->scanClause.cql = 0;
 933             req->responsePosition = 0;
 934             req->maximumTerms = 0;
 935             req->stylesheet = 0;
 936             req->database = 0;
 937
 938             for (; ptr; ptr = ptr->next)
 939             {
 940                 if (match_xsd_string(ptr, "version", o,
 941                                      &(*p)->srw_version))
 942                     ;
 943                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 944                                          &(*p)->extraResponseData_buf,
 945                                          &(*p)->extraResponseData_len))
 946                     ;
 947                 else if (match_xsd_string(ptr, "scanClause", o,
 948                                      &req->scanClause.cql))
 949                     ;
 950                 else if (match_xsd_string(ptr, "pScanClause", o,
 951                                           &req->scanClause.pqf))
 952                 {
 953                     req->query_type = Z_SRW_query_type_pqf;
 954                 }
 955                 else if (match_xsd_integer(ptr, "responsePosition", o,
 956                                            &req->responsePosition))
 957                     ;
 958                 else if (match_xsd_integer(ptr, "maximumTerms", o,
 959                                            &req->maximumTerms))
 960                     ;
 961                 else if (match_xsd_string(ptr, "stylesheet", o,
 962                                           &req->stylesheet))
 963                     ;
 964                 else if (match_xsd_string(ptr, "database", o,
 965                                           &req->database))
 966                     ;
 967             }
 968         }
 969         else if (!xmlStrcmp(method->name, BAD_CAST "scanResponse"))
 970         {
 971             Z_SRW_scanResponse *res;
 972             xmlNodePtr ptr = method->children;
 973
 974             (*p)->which = Z_SRW_scan_response;
 975             res = (*p)->u.scan_response = (Z_SRW_scanResponse *)
 976                 odr_malloc(o, sizeof(*res));
 977             res->terms = 0;
 978             res->num_terms = 0;
 979             res->diagnostics = 0;
 980             res->num_diagnostics = 0;
 981
 982             for (; ptr; ptr = ptr->next)
 983             {
 984                 if (match_xsd_string(ptr, "version", o,
 985                                      &(*p)->srw_version))
 986                     ;
 987                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 988                                          &(*p)->extraResponseData_buf,
 989                                          &(*p)->extraResponseData_len))
 990                     ;
 991                 else if (match_element(ptr, "terms"))
 992                     yaz_srw_terms(o, ptr, &res->terms,
 993                                   &res->num_terms, client_data,
 994                                   ns);
 995                 else if (match_element(ptr, "diagnostics"))
 996                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 997                                         &res->num_diagnostics,
 998                                         client_data, ns);
 999             }
1000         }
1001         else
1002         {
1003             *p = 0;
1004             return -1;
1005         }
1006         neg_version = yaz_negotiate_sru_version((*p)->srw_version);
1007         if (neg_version)
1008             (*p)->srw_version = neg_version;
1009     }
1010     else if (o->direction == ODR_ENCODE)
1011     {
1012         Z_SRW_PDU **p = handler_data;
1013         xmlNsPtr ns_srw;
1014         xmlNodePtr ptr = 0;
1015
1016         if ((*p)->which == Z_SRW_searchRetrieve_request)
1017         {
1018             Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
1019             ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveRequest", 0);
1020             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1021             xmlSetNs(ptr, ns_srw);
1022
1023             if ((*p)->srw_version)
1024                 add_xsd_string(ptr, "version", (*p)->srw_version);
1025             switch(req->query_type)
1026             {
1027             case Z_SRW_query_type_cql:
1028                 add_xsd_string(ptr, "query", req->query.cql);
1029                 break;
1030             case Z_SRW_query_type_xcql:
1031                 add_xsd_string(ptr, "xQuery", req->query.xcql);
1032                 break;
1033             case Z_SRW_query_type_pqf:
1034                 add_xsd_string(ptr, "pQuery", req->query.pqf);
1035                 break;
1036             }
1037             add_xsd_integer(ptr, "startRecord", req->startRecord);
1038             add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
1039             add_xsd_string(ptr, "recordPacking", req->recordPacking);
1040             add_xsd_string(ptr, "recordSchema", req->recordSchema);
1041             add_xsd_string(ptr, "recordXPath", req->recordXPath);
1042             add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
1043             switch(req->sort_type)
1044             {
1045             case Z_SRW_sort_type_none:
1046                 break;
1047             case Z_SRW_sort_type_sort:
1048                 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
1049                 break;
1050             case Z_SRW_sort_type_xSort:
1051                 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
1052                 break;
1053             }
1054             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1055             add_xsd_string(ptr, "database", req->database);
1056         }
1057         else if ((*p)->which == Z_SRW_searchRetrieve_response)
1058         {
1059             Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
1060             ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveResponse", 0);
1061             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1062             xmlSetNs(ptr, ns_srw);
1063
1064             if ((*p)->srw_version)
1065                 add_xsd_string(ptr, "version", (*p)->srw_version);
1066             add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
1067             add_xsd_string(ptr, "resultSetId", res->resultSetId);
1068             add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
1069             if (res->num_records)
1070             {
1071                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "records", 0);
1072                 yaz_srw_records(o, rptr, &res->records, &res->extra_records,
1073                                 &res->num_records,
1074                                 client_data, ns);
1075             }
1076             add_xsd_integer(ptr, "nextRecordPosition",
1077                             res->nextRecordPosition);
1078             if (res->num_diagnostics)
1079             {
1080                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1081                                               0);
1082                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1083                                     &res->num_diagnostics, client_data, ns);
1084             }
1085         }
1086         else if ((*p)->which == Z_SRW_explain_request)
1087         {
1088             Z_SRW_explainRequest *req = (*p)->u.explain_request;
1089             ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest", 0);
1090             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1091             xmlSetNs(ptr, ns_srw);
1092
1093             add_xsd_string(ptr, "version", (*p)->srw_version);
1094             add_xsd_string(ptr, "recordPacking", req->recordPacking);
1095             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1096             add_xsd_string(ptr, "database", req->database);
1097         }
1098         else if ((*p)->which == Z_SRW_explain_response)
1099         {
1100             Z_SRW_explainResponse *res = (*p)->u.explain_response;
1101             ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse", 0);
1102             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1103             xmlSetNs(ptr, ns_srw);
1104
1105             add_xsd_string(ptr, "version", (*p)->srw_version);
1106             if (1)
1107             {
1108                 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1109                 yaz_srw_record(o, ptr1, &res->record, &res->extra_record,
1110                                client_data, ns);
1111             }
1112             if (res->num_diagnostics)
1113             {
1114                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1115                                               0);
1116                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1117                                     &res->num_diagnostics, client_data, ns);
1118             }
1119         }
1120         else if ((*p)->which == Z_SRW_scan_request)
1121         {
1122             Z_SRW_scanRequest *req = (*p)->u.scan_request;
1123             ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
1124             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1125             xmlSetNs(ptr, ns_srw);
1126
1127             add_xsd_string(ptr, "version", (*p)->srw_version);
1128             switch(req->query_type)
1129             {
1130             case Z_SRW_query_type_cql:
1131                 add_xsd_string(ptr, "scanClause", req->scanClause.cql);
1132                 break;
1133             case Z_SRW_query_type_pqf:
1134                 add_xsd_string(ptr, "pScanClause", req->scanClause.pqf);
1135                 break;
1136             }
1137             add_xsd_integer(ptr, "responsePosition", req->responsePosition);
1138             add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
1139             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1140             add_xsd_string(ptr, "database", req->database);
1141         }
1142         else if ((*p)->which == Z_SRW_scan_response)
1143         {
1144             Z_SRW_scanResponse *res = (*p)->u.scan_response;
1145             ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
1146             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1147             xmlSetNs(ptr, ns_srw);
1148
1149             add_xsd_string(ptr, "version", (*p)->srw_version);
1150
1151             if (res->num_terms)
1152             {
1153                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "terms", 0);
1154                 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
1155                               client_data, ns);
1156             }
1157             if (res->num_diagnostics)
1158             {
1159                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1160                                               0);
1161                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1162                                     &res->num_diagnostics, client_data, ns);
1163             }
1164         }
1165         else
1166             return -1;
1167         if (ptr && (*p)->extraResponseData_len)
1168             add_XML_n(ptr, "extraResponseData",
1169                       (*p)->extraResponseData_buf,
1170                       (*p)->extraResponseData_len, ns_srw);
1171
1172
1173     }
1174     return 0;
1175 }
1176
1177 int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
1178                   void *client_data, const char *ns_ucp_str)
1179 {
1180     xmlNodePtr pptr = (xmlNodePtr) vptr;
1181     const char *ns_srw_str = YAZ_XMLNS_SRU_v1_1;
1182     if (o->direction == ODR_DECODE)
1183     {
1184         Z_SRW_PDU **p = handler_data;
1185         xmlNodePtr method = pptr->children;
1186
1187         while (method && method->type == XML_TEXT_NODE)
1188             method = method->next;
1189
1190         if (!method)
1191             return -1;
1192         if (method->type != XML_ELEMENT_NODE)
1193             return -1;
1194
1195         *p = yaz_srw_get_core_v_1_1(o);
1196
1197         if (!xmlStrcmp(method->name, BAD_CAST "updateRequest"))
1198         {
1199             xmlNodePtr ptr = method->children;
1200             Z_SRW_updateRequest *req;
1201             char *oper = 0;
1202
1203             (*p)->which = Z_SRW_update_request;
1204             req = (*p)->u.update_request = (Z_SRW_updateRequest *)
1205                 odr_malloc(o, sizeof(*req));
1206             req->database = 0;
1207             req->operation = 0;
1208             req->recordId = 0;
1209             req->recordVersions = 0;
1210             req->num_recordVersions = 0;
1211             req->record = 0;
1212             req->extra_record = 0;
1213             req->extraRequestData_buf = 0;
1214             req->extraRequestData_len = 0;
1215             req->stylesheet = 0;
1216
1217             for (; ptr; ptr = ptr->next)
1218             {
1219                 if (match_xsd_string(ptr, "version", o,
1220                                      &(*p)->srw_version))
1221                     ;
1222                 else if (match_xsd_string(ptr, "action", o,
1223                                           &oper)){
1224                     if ( oper ){
1225                         if ( !strcmp(oper, "info:srw/action/1/delete"))
1226                             req->operation = "delete";
1227                         else if (!strcmp(oper,"info:srw/action/1/replace" ))
1228                             req->operation = "replace";
1229                         else if ( !strcmp( oper, "info:srw/action/1/create"))
1230                             req->operation = "insert";
1231                     }
1232                 }
1233                 else if (match_xsd_string(ptr, "recordIdentifier", o,
1234                                           &req->recordId))
1235                     ;
1236                 else if (match_element(ptr, "recordVersions" ) )
1237                     yaz_srw_versions( o, ptr, &req->recordVersions,
1238                                       &req->num_recordVersions, client_data,
1239                                       ns_ucp_str);
1240                 else if (match_element(ptr, "record"))
1241                 {
1242                     req->record = yaz_srw_get_record(o);
1243                     yaz_srw_record(o, ptr, req->record, &req->extra_record,
1244                                    client_data, ns_ucp_str);
1245                 }
1246                 else if (match_xsd_string(ptr, "stylesheet", o,
1247                                            &req->stylesheet))
1248                     ;
1249                 else if (match_xsd_string(ptr, "database", o,
1250                                            &req->database))
1251                     ;
1252             }
1253         }
1254         else if (!xmlStrcmp(method->name, BAD_CAST "updateResponse"))
1255         {
1256             xmlNodePtr ptr = method->children;
1257             Z_SRW_updateResponse *res;
1258
1259             (*p)->which = Z_SRW_update_response;
1260             res = (*p)->u.update_response = (Z_SRW_updateResponse *)
1261                 odr_malloc(o, sizeof(*res));
1262
1263             res->operationStatus = 0;
1264             res->recordId = 0;
1265             res->recordVersions = 0;
1266             res->num_recordVersions = 0;
1267             res->diagnostics = 0;
1268             res->num_diagnostics = 0;
1269             res->record = 0;
1270             res->extra_record = 0;
1271             res->extraResponseData_buf = 0;
1272             res->extraResponseData_len = 0;
1273
1274             for (; ptr; ptr = ptr->next)
1275             {
1276                 if (match_xsd_string(ptr, "version", o,
1277                                      &(*p)->srw_version))
1278                     ;
1279                 else if (match_xsd_string(ptr, "operationStatus", o,
1280                                       &res->operationStatus ))
1281                     ;
1282                 else if (match_xsd_string(ptr, "recordIdentifier", o,
1283                                           &res->recordId))
1284                     ;
1285                 else if (match_element(ptr, "recordVersions" ))
1286                     yaz_srw_versions(o, ptr, &res->recordVersions,
1287                                      &res->num_recordVersions,
1288                                      client_data, ns_ucp_str);
1289                 else if (match_element(ptr, "record"))
1290                 {
1291                     res->record = yaz_srw_get_record(o);
1292                     yaz_srw_record(o, ptr, res->record, &res->extra_record,
1293                                    client_data, ns_ucp_str);
1294                 }
1295                 else if (match_element(ptr, "diagnostics"))
1296                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1297                                         &res->num_diagnostics,
1298                                         client_data, ns_ucp_str);
1299             }
1300         }
1301         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateRequest"))
1302         {
1303         }
1304         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateResponse"))
1305         {
1306         }
1307         else
1308         {
1309             *p = 0;
1310             return -1;
1311         }
1312     }
1313     else if (o->direction == ODR_ENCODE)
1314     {
1315         Z_SRW_PDU **p = handler_data;
1316         xmlNsPtr ns_ucp, ns_srw;
1317
1318
1319         if ((*p)->which == Z_SRW_update_request)
1320         {
1321             Z_SRW_updateRequest *req = (*p)->u.update_request;
1322             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "updateRequest", 0);
1323             ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1324             xmlSetNs(ptr, ns_ucp);
1325             ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1326
1327             add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1328             add_xsd_string(ptr, "action", req->operation);
1329             add_xsd_string(ptr, "recordIdentifier", req->recordId );
1330             if (req->recordVersions)
1331                 yaz_srw_versions( o, ptr, &req->recordVersions,
1332                                   &req->num_recordVersions,
1333                                   client_data, ns_ucp_str);
1334             if (req->record && req->record->recordData_len)
1335             {
1336                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1337                 xmlSetNs(rptr, ns_srw);
1338                 yaz_srw_record(o, rptr, req->record, &req->extra_record,
1339                                client_data, ns_ucp_str);
1340             }
1341             if (req->extraRequestData_len)
1342             {
1343                 add_XML_n(ptr, "extraRequestData",
1344                           req->extraRequestData_buf,
1345                           req->extraRequestData_len, ns_srw);
1346             }
1347             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1348             add_xsd_string(ptr, "database", req->database);
1349         }
1350         else if ((*p)->which == Z_SRW_update_response)
1351         {
1352             Z_SRW_updateResponse *res = (*p)->u.update_response;
1353             xmlNodePtr ptr = xmlNewChild(pptr, 0, (xmlChar *)
1354                                          "updateResponse", 0);
1355             ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1356             xmlSetNs(ptr, ns_ucp);
1357             ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1358
1359             add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1360             add_xsd_string(ptr, "operationStatus", res->operationStatus );
1361             add_xsd_string(ptr, "recordIdentifier", res->recordId );
1362             if (res->recordVersions)
1363                 yaz_srw_versions(o, ptr, &res->recordVersions,
1364                                  &res->num_recordVersions,
1365                                  client_data, ns_ucp_str);
1366             if (res->record && res->record->recordData_len)
1367             {
1368                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1369                 xmlSetNs(rptr, ns_srw);
1370                 yaz_srw_record(o, rptr, res->record, &res->extra_record,
1371                                client_data, ns_ucp_str);
1372             }
1373             if (res->num_diagnostics)
1374             {
1375                 xmlNsPtr ns_diag =
1376                     xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1,
1377                              BAD_CAST "diag" );
1378
1379                 xmlNodePtr rptr = xmlNewChild(ptr, ns_diag, BAD_CAST "diagnostics", 0);
1380                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1381                                     &res->num_diagnostics, client_data,
1382                                     ns_ucp_str);
1383             }
1384             if (res->extraResponseData_len)
1385                 add_XML_n(ptr, "extraResponseData",
1386                           res->extraResponseData_buf,
1387                           res->extraResponseData_len, ns_srw);
1388         }
1389         else
1390             return -1;
1391
1392     }
1393     return 0;
1394 }
1395
1396 #endif
1397
1398
1399 /*
1400  * Local variables:
1401  * c-basic-offset: 4
1402  * c-file-style: "Stroustrup"
1403  * indent-tabs-mode: nil
1404  * End:
1405  * vim: shiftwidth=4 tabstop=8 expandtab
1406  */
1407