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