src/srw.c

   1 /* This file is part of the YAZ toolkit.
   2  * Copyright (C) 1995-2013 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_n2(xmlNodePtr ptr, const char *elem, ODR o,
 137                             char **val, int *len, int fixup_root)
 138 {
 139     xmlBufferPtr buf;
 140     int no_root_nodes = 0;
 141
 142     if (!match_element(ptr, elem))
 143         return 0;
 144
 145     buf = xmlBufferCreate();
 146
 147     /* Copy each element nodes at top.
 148        In most cases there is only one root node.. At least one server
 149        http://www.theeuropeanlibrary.org/sru/sru.pl
 150        has multiple root nodes in recordData.
 151     */
 152     for (ptr = ptr->children; ptr; ptr = ptr->next)
 153     {
 154         if (ptr->type == XML_ELEMENT_NODE)
 155         {
 156             /* copy node to get NS right (bug #740). */
 157             xmlNode *tmp = xmlCopyNode(ptr, 1);
 158
 159             xmlNodeDump(buf, tmp->doc, tmp, 0, 0);
 160
 161             xmlFreeNode(tmp);
 162             no_root_nodes++;
 163         }
 164     }
 165     if (no_root_nodes != 1 && fixup_root)
 166     {
 167         /* does not appear to be an XML document. Make it so */
 168         xmlBufferAddHead(buf, (const xmlChar *) "<yaz_record>", -1);
 169         xmlBufferAdd(buf, (const xmlChar *) "</yaz_record>", -1);
 170     }
 171     *val = (char *) odr_malloc(o, buf->use + 1);
 172     memcpy(*val, buf->content, buf->use);
 173     (*val)[buf->use] = '\0';
 174
 175     if (len)
 176         *len = buf->use;
 177
 178     xmlBufferFree(buf);
 179
 180     return 1;
 181 }
 182
 183 static int match_xsd_XML_n(xmlNodePtr ptr, const char *elem, ODR o,
 184                            char **val, int *len)
 185 {
 186     return match_xsd_XML_n2(ptr, elem, o, val, len, 0);
 187 }
 188
 189 static int match_xsd_integer(xmlNodePtr ptr, const char *elem, ODR o,
 190                              Odr_int **val)
 191 {
 192 #if CHECK_TYPE
 193     struct _xmlAttr *attr;
 194 #endif
 195     if (!match_element(ptr, elem))
 196         return 0;
 197 #if CHECK_TYPE
 198     for (attr = ptr->properties; attr; attr = attr->next)
 199         if (!strcmp(attr->name, "type") &&
 200             attr->children && attr->children->type == XML_TEXT_NODE)
 201         {
 202             const char *t = strchr(attr->children->content, ':');
 203             if (t)
 204                 t = t + 1;
 205             else
 206                 t = attr->children->content;
 207             if (!strcmp(t, "integer"))
 208                 break;
 209         }
 210     if (!attr)
 211         return 0;
 212 #endif
 213     ptr = ptr->children;
 214     if (!ptr || ptr->type != XML_TEXT_NODE)
 215         return 0;
 216     *val = odr_intdup(o, odr_atoi((const char *) ptr->content));
 217     return 1;
 218 }
 219
 220 char *yaz_negotiate_sru_version(char *input_ver)
 221 {
 222     if (!input_ver)
 223         input_ver = "1.1";
 224
 225     if (!strcmp(input_ver, "1.1"))
 226         return "1.1";
 227     return "1.2"; /* our latest supported version */
 228 }
 229
 230 static int yaz_srw_record(ODR o, xmlNodePtr pptr, Z_SRW_record *rec,
 231                           Z_SRW_extra_record **extra,
 232                           void *client_data, const char *ns)
 233 {
 234     if (o->direction == ODR_DECODE)
 235     {
 236         Z_SRW_extra_record ex;
 237
 238         char *spack = 0;
 239         xmlNodePtr ptr;
 240         rec->recordSchema = 0;
 241         rec->recordData_buf = 0;
 242         rec->recordData_len = 0;
 243         rec->recordPosition = 0;
 244         *extra = 0;
 245
 246         ex.extraRecordData_buf = 0;
 247         ex.extraRecordData_len = 0;
 248         ex.recordIdentifier = 0;
 249
 250         for (ptr = pptr->children; ptr; ptr = ptr->next)
 251         {
 252
 253             if (match_xsd_string(ptr, "recordSchema", o,
 254                                  &rec->recordSchema))
 255                 ;
 256             else if (match_xsd_string(ptr, "recordPacking", o, &spack))
 257                 ;  /* can't rely on it: in SRU 2.0 it's different semantics */
 258             else if (match_xsd_integer(ptr, "recordPosition", o,
 259                                        &rec->recordPosition))
 260                 ;
 261             else if (match_element(ptr, "recordData"))
 262             {
 263                 /* we assume XML packing, if any element nodes exist below
 264                    recordData. Unfortunately, in SRU 2.0 recordPacking
 265                    means something different */
 266                 xmlNode *p = ptr->children;
 267                 for (; p; p = p->next)
 268                     if (p->type == XML_ELEMENT_NODE)
 269                         break;
 270                 if (p)
 271                 {
 272                     match_xsd_XML_n2(
 273                         ptr, "recordData", o,
 274                         &rec->recordData_buf, &rec->recordData_len, 1);
 275                     rec->recordPacking = Z_SRW_recordPacking_XML;
 276                 }
 277                 else
 278                 {
 279                     match_xsd_string_n(
 280                         ptr, "recordData", o,
 281                         &rec->recordData_buf, &rec->recordData_len);
 282                     rec->recordPacking = Z_SRW_recordPacking_string;
 283                 }
 284             }
 285             else if (match_xsd_XML_n(ptr, "extraRecordData", o,
 286                                      &ex.extraRecordData_buf,
 287                                      &ex.extraRecordData_len) )
 288                 ;
 289             else
 290                 match_xsd_string(ptr, "recordIdentifier", o,
 291                                  &ex.recordIdentifier);
 292         }
 293         if (ex.extraRecordData_buf || ex.recordIdentifier)
 294         {
 295             *extra = (Z_SRW_extra_record *)
 296                 odr_malloc(o, sizeof(Z_SRW_extra_record));
 297             memcpy(*extra, &ex, sizeof(Z_SRW_extra_record));
 298         }
 299     }
 300     else if (o->direction == ODR_ENCODE)
 301     {
 302         xmlNodePtr ptr = pptr;
 303         int pack = rec->recordPacking;
 304         const char *spack = yaz_srw_pack_to_str(pack);
 305
 306         add_xsd_string(ptr, "recordSchema", rec->recordSchema);
 307         if (spack)
 308             add_xsd_string(ptr, "recordPacking", spack);
 309         switch (pack)
 310         {
 311         case Z_SRW_recordPacking_string:
 312             add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
 313                              rec->recordData_len);
 314             break;
 315         case Z_SRW_recordPacking_XML:
 316             add_XML_n(ptr, "recordData", rec->recordData_buf,
 317                       rec->recordData_len, 0);
 318             break;
 319         case Z_SRW_recordPacking_URL:
 320             add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
 321                              rec->recordData_len);
 322             break;
 323         }
 324         if (rec->recordPosition)
 325             add_xsd_integer(ptr, "recordPosition", rec->recordPosition );
 326         if (extra && *extra)
 327         {
 328             if ((*extra)->recordIdentifier)
 329                 add_xsd_string(ptr, "recordIdentifier",
 330                                (*extra)->recordIdentifier);
 331             if ((*extra)->extraRecordData_buf)
 332                 add_XML_n(ptr, "extraRecordData",
 333                           (*extra)->extraRecordData_buf,
 334                           (*extra)->extraRecordData_len, 0);
 335         }
 336     }
 337     return 0;
 338 }
 339
 340 static int yaz_srw_records(ODR o, xmlNodePtr pptr, Z_SRW_record **recs,
 341                            Z_SRW_extra_record ***extra,
 342                            int *num, void *client_data, const char *ns)
 343 {
 344     if (o->direction == ODR_DECODE)
 345     {
 346         int i;
 347         xmlNodePtr ptr;
 348         *num = 0;
 349         for (ptr = pptr->children; ptr; ptr = ptr->next)
 350         {
 351             if (ptr->type == XML_ELEMENT_NODE &&
 352                 !xmlStrcmp(ptr->name, BAD_CAST "record"))
 353                 (*num)++;
 354         }
 355         if (!*num)
 356             return 1;
 357         *recs = (Z_SRW_record *) odr_malloc(o, *num * sizeof(**recs));
 358         *extra = (Z_SRW_extra_record **) odr_malloc(o, *num * sizeof(**extra));
 359         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
 360         {
 361             if (ptr->type == XML_ELEMENT_NODE &&
 362                 !xmlStrcmp(ptr->name, BAD_CAST "record"))
 363             {
 364                 yaz_srw_record(o, ptr, *recs + i, *extra + i, client_data, ns);
 365                 i++;
 366             }
 367         }
 368     }
 369     else if (o->direction == ODR_ENCODE)
 370     {
 371         int i;
 372         for (i = 0; i < *num; i++)
 373         {
 374             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "record",
 375                                           0);
 376             yaz_srw_record(o, rptr, (*recs)+i, (*extra ? *extra + i : 0),
 377                            client_data, ns);
 378         }
 379     }
 380     return 0;
 381 }
 382
 383 static int yaz_srw_version(ODR o, xmlNodePtr pptr, Z_SRW_recordVersion *rec,
 384                            void *client_data, const char *ns)
 385 {
 386     if (o->direction == ODR_DECODE)
 387     {
 388         xmlNodePtr ptr;
 389         rec->versionType = 0;
 390         rec->versionValue = 0;
 391         for (ptr = pptr->children; ptr; ptr = ptr->next)
 392         {
 393
 394             if (match_xsd_string(ptr, "versionType", o,
 395                                  &rec->versionType))
 396                 ;
 397             else
 398                 match_xsd_string(ptr, "versionValue", o, &rec->versionValue);
 399         }
 400     }
 401     else if (o->direction == ODR_ENCODE)
 402     {
 403         xmlNodePtr ptr = pptr;
 404         add_xsd_string(ptr, "versionType", rec->versionType);
 405         add_xsd_string(ptr, "versionValue", rec->versionValue);
 406     }
 407     return 0;
 408 }
 409
 410 static int yaz_srw_versions(ODR o, xmlNodePtr pptr,
 411                             Z_SRW_recordVersion **vers,
 412                             int *num, void *client_data, const char *ns)
 413 {
 414     if (o->direction == ODR_DECODE)
 415     {
 416         int i;
 417         xmlNodePtr ptr;
 418         *num = 0;
 419         for (ptr = pptr->children; ptr; ptr = ptr->next)
 420         {
 421             if (ptr->type == XML_ELEMENT_NODE &&
 422                 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
 423                 (*num)++;
 424         }
 425         if (!*num)
 426             return 1;
 427         *vers = (Z_SRW_recordVersion *) odr_malloc(o, *num * sizeof(**vers));
 428         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
 429         {
 430             if (ptr->type == XML_ELEMENT_NODE &&
 431                 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
 432             {
 433                 yaz_srw_version(o, ptr, *vers + i, client_data, ns);
 434                 i++;
 435             }
 436         }
 437     }
 438     else if (o->direction == ODR_ENCODE)
 439     {
 440         int i;
 441         for (i = 0; i < *num; i++)
 442         {
 443             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "version",
 444                                           0);
 445             yaz_srw_version(o, rptr, (*vers)+i, client_data, ns);
 446         }
 447     }
 448     return 0;
 449 }
 450
 451 Z_FacetTerm *yaz_sru_proxy_get_facet_term_count(ODR odr, xmlNodePtr node)
 452 {
 453     Odr_int freq;
 454     xmlNodePtr child;
 455     WRBUF wrbuf = wrbuf_alloc();
 456     Z_FacetTerm *facet_term;
 457     const char *freq_string = yaz_element_attribute_value_get(
 458         node, "facetvalue", "est_representation");
 459     if (freq_string)
 460         freq = odr_atoi(freq_string);
 461     else
 462         freq = -1;
 463
 464     for (child = node->children; child ; child = child->next)
 465     {
 466         if (child->type == XML_TEXT_NODE)
 467             wrbuf_puts(wrbuf, (const char *) child->content);
 468     }
 469     facet_term = facet_term_create_cstr(odr, wrbuf_cstr(wrbuf), freq);
 470     wrbuf_destroy(wrbuf);
 471     return facet_term;
 472 }
 473
 474 static Z_FacetField *yaz_sru_proxy_decode_facet_field(ODR odr, xmlNodePtr ptr)
 475 {
 476     Z_AttributeList *list;
 477     Z_FacetField *facet_field;
 478     int num_terms = 0;
 479     int index = 0;
 480     xmlNodePtr node;
 481     /* USE attribute */
 482     const char* name = yaz_element_attribute_value_get(ptr, "facet", "code");
 483     yaz_log(YLOG_DEBUG, "sru-proxy facet type: %s", name);
 484
 485     list = yaz_use_attribute_create(odr, name);
 486     for (node = ptr->children; node; node = node->next) {
 487         if (match_element(node, "facetvalue"))
 488             num_terms++;
 489     }
 490     facet_field = facet_field_create(odr, list, num_terms);
 491     index = 0;
 492     for (node = ptr->children; node; node = node->next)
 493     {
 494         if (match_element(node, "facetvalue"))
 495         {
 496             facet_field_term_set(odr, facet_field,
 497                                  yaz_sru_proxy_get_facet_term_count(odr, node),
 498                                  index);
 499             index++;
 500         }
 501     }
 502     return facet_field;
 503 }
 504
 505 static int yaz_sru_proxy_decode_facets(ODR o, xmlNodePtr root,
 506                                        Z_FacetList **facetList)
 507 {
 508     xmlNodePtr ptr;
 509
 510     for (ptr = root->children; ptr; ptr = ptr->next)
 511     {
 512         if (match_element(ptr, "facets"))
 513         {
 514             xmlNodePtr node;
 515             Z_FacetList *facet_list;
 516             int num_facets = 0;
 517             for (node = ptr->children; node; node= node->next)
 518             {
 519                 if (node->type == XML_ELEMENT_NODE)
 520                     num_facets++;
 521             }
 522             facet_list = facet_list_create(o, num_facets);
 523             num_facets = 0;
 524             for (node = ptr->children; node; node= node->next)
 525             {
 526                 if (match_element(node, "facet"))
 527                 {
 528                     facet_list_field_set(
 529                         o, facet_list,
 530                         yaz_sru_proxy_decode_facet_field(o, node), num_facets);
 531                     num_facets++;
 532                 }
 533             }
 534             *facetList = facet_list;
 535             break;
 536         }
 537     }
 538     return 0;
 539 }
 540
 541
 542
 543 static int yaz_srw_decode_diagnostics(ODR o, xmlNodePtr pptr,
 544                                       Z_SRW_diagnostic **recs, int *num,
 545                                       void *client_data, const char *ns)
 546 {
 547     int i;
 548     xmlNodePtr ptr;
 549     *num = 0;
 550     for (ptr = pptr; ptr; ptr = ptr->next)
 551     {
 552         if (ptr->type == XML_ELEMENT_NODE &&
 553             !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
 554             (*num)++;
 555     }
 556     if (!*num)
 557         return 1;
 558     *recs = (Z_SRW_diagnostic *) odr_malloc(o, *num * sizeof(**recs));
 559     for (i = 0; i < *num; i++)
 560     {
 561         (*recs)[i].uri = 0;
 562         (*recs)[i].details = 0;
 563         (*recs)[i].message = 0;
 564     }
 565     for (i = 0, ptr = pptr; ptr; ptr = ptr->next)
 566     {
 567         if (ptr->type == XML_ELEMENT_NODE &&
 568             !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
 569         {
 570             xmlNodePtr rptr;
 571             (*recs)[i].uri = 0;
 572             (*recs)[i].details = 0;
 573             (*recs)[i].message = 0;
 574             for (rptr = ptr->children; rptr; rptr = rptr->next)
 575             {
 576                 if (match_xsd_string(rptr, "uri", o,
 577                                      &(*recs)[i].uri))
 578                     ;
 579                 else if (match_xsd_string(rptr, "details", o,
 580                                           &(*recs)[i].details))
 581                     ;
 582                 else
 583                     match_xsd_string(rptr, "message", o, &(*recs)[i].message);
 584             }
 585             i++;
 586         }
 587     }
 588     return 0;
 589 }
 590
 591 int sru_decode_surrogate_diagnostics(const char *buf, size_t len,
 592                                      Z_SRW_diagnostic **diag,
 593                                      int *num, ODR odr)
 594 {
 595     int ret = 0;
 596     xmlDocPtr doc = xmlParseMemory(buf, len);
 597     if (doc)
 598     {
 599         xmlNodePtr ptr = xmlDocGetRootElement(doc);
 600         while (ptr && ptr->type != XML_ELEMENT_NODE)
 601             ptr = ptr->next;
 602         if (ptr && ptr->ns
 603             && !xmlStrcmp(ptr->ns->href,
 604                           BAD_CAST "http://www.loc.gov/zing/srw/diagnostic/"))
 605         {
 606             ret = yaz_srw_decode_diagnostics(odr, ptr, diag, num, 0, 0);
 607         }
 608         xmlFreeDoc(doc);
 609     }
 610     return ret;
 611 }
 612
 613 static int yaz_srw_diagnostics(ODR o, xmlNodePtr pptr, Z_SRW_diagnostic **recs,
 614                                int *num, void *client_data, const char *ns)
 615 {
 616     if (o->direction == ODR_DECODE)
 617     {
 618         return yaz_srw_decode_diagnostics(o, pptr->children, recs, num, client_data, ns);
 619     }
 620     else if (o->direction == ODR_ENCODE)
 621     {
 622         int i;
 623         xmlNsPtr ns_diag =
 624             xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1, BAD_CAST "diag" );
 625         for (i = 0; i < *num; i++)
 626         {
 627             const char *std_diag = "info:srw/diagnostic/1/";
 628             const char *ucp_diag = "info:srw/diagnostic/12/";
 629             xmlNodePtr rptr = xmlNewChild(pptr, ns_diag,
 630                                           BAD_CAST "diagnostic", 0);
 631             add_xsd_string(rptr, "uri", (*recs)[i].uri);
 632             if ((*recs)[i].message)
 633                 add_xsd_string(rptr, "message", (*recs)[i].message);
 634             else if ((*recs)[i].uri )
 635             {
 636                 if (!strncmp((*recs)[i].uri, std_diag, strlen(std_diag)))
 637                 {
 638                     int no = atoi((*recs)[i].uri + strlen(std_diag));
 639                     const char *message = yaz_diag_srw_str(no);
 640                     if (message)
 641                         add_xsd_string(rptr, "message", message);
 642                 }
 643                 else if (!strncmp((*recs)[i].uri, ucp_diag, strlen(ucp_diag)))
 644                 {
 645                     int no = atoi((*recs)[i].uri + strlen(ucp_diag));
 646                     const char *message = yaz_diag_sru_update_str(no);
 647                     if (message)
 648                         add_xsd_string(rptr, "message", message);
 649                 }
 650             }
 651             add_xsd_string(rptr, "details", (*recs)[i].details);
 652         }
 653     }
 654     return 0;
 655 }
 656
 657 static int yaz_srw_term(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm *term,
 658                         void *client_data, const char *ns)
 659 {
 660     if (o->direction == ODR_DECODE)
 661     {
 662         xmlNodePtr ptr;
 663         term->value = 0;
 664         term->numberOfRecords = 0;
 665         term->displayTerm = 0;
 666         term->whereInList = 0;
 667         for (ptr = pptr->children; ptr; ptr = ptr->next)
 668         {
 669             if (match_xsd_string(ptr, "value", o,  &term->value))
 670                 ;
 671             else if (match_xsd_integer(ptr, "numberOfRecords", o,
 672                                        &term->numberOfRecords))
 673                 ;
 674             else if (match_xsd_string(ptr, "displayTerm", o,
 675                                       &term->displayTerm))
 676                 ;
 677             else
 678                 match_xsd_string(ptr, "whereInList", o, &term->whereInList);
 679         }
 680     }
 681     else if (o->direction == ODR_ENCODE)
 682     {
 683         xmlNodePtr ptr = pptr;
 684         add_xsd_string(ptr, "value", term->value);
 685         add_xsd_integer(ptr, "numberOfRecords", term->numberOfRecords);
 686         add_xsd_string(ptr, "displayTerm", term->displayTerm);
 687         add_xsd_string(ptr, "whereInList", term->whereInList);
 688     }
 689     return 0;
 690 }
 691
 692 static int yaz_srw_terms(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm **terms,
 693                          int *num, void *client_data, const char *ns)
 694 {
 695     if (o->direction == ODR_DECODE)
 696     {
 697         int i;
 698         xmlNodePtr ptr;
 699         *num = 0;
 700         for (ptr = pptr->children; ptr; ptr = ptr->next)
 701         {
 702             if (ptr->type == XML_ELEMENT_NODE &&
 703                 !xmlStrcmp(ptr->name, BAD_CAST "term"))
 704                 (*num)++;
 705         }
 706         if (!*num)
 707             return 1;
 708         *terms = (Z_SRW_scanTerm *) odr_malloc(o, *num * sizeof(**terms));
 709         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
 710         {
 711             if (ptr->type == XML_ELEMENT_NODE &&
 712                 !xmlStrcmp(ptr->name, BAD_CAST "term"))
 713                 yaz_srw_term(o, ptr, (*terms)+i, client_data, ns);
 714         }
 715     }
 716     else if (o->direction == ODR_ENCODE)
 717     {
 718         int i;
 719         for (i = 0; i < *num; i++)
 720         {
 721             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "term", 0);
 722             yaz_srw_term(o, rptr, (*terms)+i, client_data, ns);
 723         }
 724     }
 725     return 0;
 726 }
 727
 728 int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
 729                   void *client_data, const char *ns)
 730 {
 731     xmlNodePtr pptr = (xmlNodePtr) vptr;
 732     if (o->direction == ODR_DECODE)
 733     {
 734         Z_SRW_PDU **p = handler_data;
 735         xmlNodePtr method = pptr->children;
 736         char *neg_version;
 737
 738         while (method && method->type == XML_TEXT_NODE)
 739             method = method->next;
 740
 741         if (!method)
 742             return -1;
 743         if (method->type != XML_ELEMENT_NODE)
 744             return -1;
 745
 746         *p = yaz_srw_get_core_v_1_1(o);
 747
 748         if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveRequest"))
 749         {
 750             xmlNodePtr ptr = method->children;
 751             Z_SRW_searchRetrieveRequest *req;
 752
 753             (*p)->which = Z_SRW_searchRetrieve_request;
 754             req = (*p)->u.request = (Z_SRW_searchRetrieveRequest *)
 755                 odr_malloc(o, sizeof(*req));
 756             req->queryType = "cql";
 757             req->query = 0;
 758             req->sort_type = Z_SRW_sort_type_none;
 759             req->sort.none = 0;
 760             req->startRecord = 0;
 761             req->maximumRecords = 0;
 762             req->recordSchema = 0;
 763             req->recordPacking = 0;
 764             req->recordXPath = 0;
 765             req->resultSetTTL = 0;
 766             req->stylesheet = 0;
 767             req->database = 0;
 768
 769             for (; ptr; ptr = ptr->next)
 770             {
 771                 if (match_xsd_string(ptr, "version", o,
 772                                      &(*p)->srw_version))
 773                     ;
 774                 else if (match_xsd_string(ptr, "queryType", o,
 775                                           &req->queryType))
 776                     ;
 777                 else if (match_xsd_string(ptr, "query", o,
 778                                           &req->query))
 779                     ;
 780                 else if (match_xsd_string(ptr, "pQuery", o,
 781                                           &req->query))
 782                     req->queryType = "pqf";
 783                 else if (match_xsd_string(ptr, "xQuery", o,
 784                                           &req->query))
 785                     req->queryType = "xcql";
 786                 else if (match_xsd_integer(ptr, "startRecord", o,
 787                                            &req->startRecord))
 788                     ;
 789                 else if (match_xsd_integer(ptr, "maximumRecords", o,
 790                                            &req->maximumRecords))
 791                     ;
 792                 else if (match_xsd_string(ptr, "recordPacking", o,
 793                                           &req->recordPacking))
 794                     ;
 795                 else if (match_xsd_string(ptr, "recordSchema", o,
 796                                           &req->recordSchema))
 797                     ;
 798                 else if (match_xsd_string(ptr, "recordXPath", o,
 799                                           &req->recordXPath))
 800                     ;
 801                 else if (match_xsd_integer(ptr, "resultSetTTL", o,
 802                                            &req->resultSetTTL))
 803                     ;
 804                 else if (match_xsd_string(ptr, "sortKeys", o,
 805                                           &req->sort.sortKeys))
 806                     req->sort_type = Z_SRW_sort_type_sort;
 807                 else if (match_xsd_string(ptr, "stylesheet", o,
 808                                           &req->stylesheet))
 809                     ;
 810                 else
 811                     match_xsd_string(ptr, "database", o, &req->database);
 812             }
 813             if (!req->query)
 814             {
 815                 /* should put proper diagnostic here */
 816                 return -1;
 817             }
 818         }
 819         else if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveResponse"))
 820         {
 821             xmlNodePtr ptr = method->children;
 822             Z_SRW_searchRetrieveResponse *res;
 823
 824             (*p)->which = Z_SRW_searchRetrieve_response;
 825             res = (*p)->u.response = (Z_SRW_searchRetrieveResponse *)
 826                 odr_malloc(o, sizeof(*res));
 827
 828             res->numberOfRecords = 0;
 829             res->resultSetId = 0;
 830             res->resultSetIdleTime = 0;
 831             res->records = 0;
 832             res->num_records = 0;
 833             res->diagnostics = 0;
 834             res->num_diagnostics = 0;
 835             res->nextRecordPosition = 0;
 836             res->facetList = 0;
 837             res->suggestions = 0;
 838
 839             for (; ptr; ptr = ptr->next)
 840             {
 841                 if (match_xsd_string(ptr, "version", o,
 842                                      &(*p)->srw_version))
 843                     ;
 844                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 845                                          &(*p)->extraResponseData_buf,
 846                                          &(*p)->extraResponseData_len))
 847                     ;
 848                 else if (match_xsd_integer(ptr, "numberOfRecords", o,
 849                                            &res->numberOfRecords))
 850                     ;
 851                 else if (match_xsd_string(ptr, "resultSetId", o,
 852                                           &res->resultSetId))
 853                     ;
 854                 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
 855                                            &res->resultSetIdleTime))
 856                     ;
 857                 else if (match_element(ptr, "records"))
 858                     yaz_srw_records(o, ptr, &res->records,
 859                                     &res->extra_records,
 860                                     &res->num_records, client_data, ns);
 861                 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
 862                                            &res->nextRecordPosition))
 863                     ;
 864                 else if (match_element(ptr, "diagnostics"))
 865                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 866                                         &res->num_diagnostics,
 867                                         client_data, ns);
 868                 else if (match_element(ptr, "facet_analysis"))
 869                     yaz_sru_proxy_decode_facets(o, ptr, &res->facetList);
 870             }
 871         }
 872         else if (!xmlStrcmp(method->name, BAD_CAST "explainRequest"))
 873         {
 874             Z_SRW_explainRequest *req;
 875             xmlNodePtr ptr = method->children;
 876
 877             (*p)->which = Z_SRW_explain_request;
 878             req = (*p)->u.explain_request = (Z_SRW_explainRequest *)
 879                 odr_malloc(o, sizeof(*req));
 880             req->recordPacking = 0;
 881             req->database = 0;
 882             req->stylesheet = 0;
 883             for (; ptr; ptr = ptr->next)
 884             {
 885                 if (match_xsd_string(ptr, "version", o,
 886                                      &(*p)->srw_version))
 887                     ;
 888                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 889                                          &(*p)->extraResponseData_buf,
 890                                          &(*p)->extraResponseData_len))
 891                     ;
 892                 else if (match_xsd_string(ptr, "stylesheet", o,
 893                                           &req->stylesheet))
 894                     ;
 895                 else if (match_xsd_string(ptr, "recordPacking", o,
 896                                           &req->recordPacking))
 897                     ;
 898                 else
 899                     match_xsd_string(ptr, "database", o, &req->database);
 900             }
 901         }
 902         else if (!xmlStrcmp(method->name, BAD_CAST "explainResponse"))
 903         {
 904             Z_SRW_explainResponse *res;
 905             xmlNodePtr ptr = method->children;
 906
 907             (*p)->which = Z_SRW_explain_response;
 908             res = (*p)->u.explain_response = (Z_SRW_explainResponse*)
 909                 odr_malloc(o, sizeof(*res));
 910             res->diagnostics = 0;
 911             res->num_diagnostics = 0;
 912             res->record.recordSchema = 0;
 913             res->record.recordData_buf = 0;
 914             res->record.recordData_len = 0;
 915             res->record.recordPosition = 0;
 916
 917             for (; ptr; ptr = ptr->next)
 918             {
 919                 if (match_xsd_string(ptr, "version", o,
 920                                      &(*p)->srw_version))
 921                     ;
 922                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 923                                          &(*p)->extraResponseData_buf,
 924                                          &(*p)->extraResponseData_len))
 925                     ;
 926                 else if (match_element(ptr, "record"))
 927                     yaz_srw_record(o, ptr, &res->record, &res->extra_record,
 928                                    client_data, ns);
 929                 else if (match_element(ptr, "diagnostics"))
 930                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 931                                         &res->num_diagnostics,
 932                                         client_data, ns);
 933                 ;
 934             }
 935         }
 936         else if (!xmlStrcmp(method->name, BAD_CAST "scanRequest"))
 937         {
 938             Z_SRW_scanRequest *req;
 939             xmlNodePtr ptr = method->children;
 940
 941             (*p)->which = Z_SRW_scan_request;
 942             req = (*p)->u.scan_request = (Z_SRW_scanRequest *)
 943                 odr_malloc(o, sizeof(*req));
 944             req->queryType = "cql";
 945             req->scanClause = 0;
 946             req->responsePosition = 0;
 947             req->maximumTerms = 0;
 948             req->stylesheet = 0;
 949             req->database = 0;
 950
 951             for (; ptr; ptr = ptr->next)
 952             {
 953                 if (match_xsd_string(ptr, "version", o,
 954                                      &(*p)->srw_version))
 955                     ;
 956                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 957                                          &(*p)->extraResponseData_buf,
 958                                          &(*p)->extraResponseData_len))
 959                     ;
 960                 else if (match_xsd_string(ptr, "scanClause", o,
 961                                           &req->scanClause))
 962                     ;
 963                 else if (match_xsd_string(ptr, "pScanClause", o,
 964                                           &req->scanClause))
 965                 {
 966                     req->queryType = "pqf";
 967                 }
 968                 else if (match_xsd_integer(ptr, "responsePosition", o,
 969                                            &req->responsePosition))
 970                     ;
 971                 else if (match_xsd_integer(ptr, "maximumTerms", o,
 972                                            &req->maximumTerms))
 973                     ;
 974                 else if (match_xsd_string(ptr, "stylesheet", o,
 975                                           &req->stylesheet))
 976                     ;
 977                 else
 978                     match_xsd_string(ptr, "database", o, &req->database);
 979             }
 980         }
 981         else if (!xmlStrcmp(method->name, BAD_CAST "scanResponse"))
 982         {
 983             Z_SRW_scanResponse *res;
 984             xmlNodePtr ptr = method->children;
 985
 986             (*p)->which = Z_SRW_scan_response;
 987             res = (*p)->u.scan_response = (Z_SRW_scanResponse *)
 988                 odr_malloc(o, sizeof(*res));
 989             res->terms = 0;
 990             res->num_terms = 0;
 991             res->diagnostics = 0;
 992             res->num_diagnostics = 0;
 993
 994             for (; ptr; ptr = ptr->next)
 995             {
 996                 if (match_xsd_string(ptr, "version", o,
 997                                      &(*p)->srw_version))
 998                     ;
 999                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
1000                                          &(*p)->extraResponseData_buf,
1001                                          &(*p)->extraResponseData_len))
1002                     ;
1003                 else if (match_element(ptr, "terms"))
1004                     yaz_srw_terms(o, ptr, &res->terms,
1005                                   &res->num_terms, client_data,
1006                                   ns);
1007                 else if (match_element(ptr, "diagnostics"))
1008                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1009                                         &res->num_diagnostics,
1010                                         client_data, ns);
1011             }
1012         }
1013         else
1014         {
1015             *p = 0;
1016             return -1;
1017         }
1018         neg_version = yaz_negotiate_sru_version((*p)->srw_version);
1019         if (neg_version)
1020             (*p)->srw_version = neg_version;
1021     }
1022     else if (o->direction == ODR_ENCODE)
1023     {
1024         Z_SRW_PDU **p = handler_data;
1025         xmlNsPtr ns_srw;
1026         xmlNodePtr ptr = 0;
1027
1028         if ((*p)->which == Z_SRW_searchRetrieve_request)
1029         {
1030             Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
1031             const char *queryType = req->queryType;
1032             ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveRequest", 0);
1033             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1034             xmlSetNs(ptr, ns_srw);
1035
1036             if ((*p)->srw_version)
1037                 add_xsd_string(ptr, "version", (*p)->srw_version);
1038
1039             if (strcmp((*p)->srw_version, "2.") > 0)
1040             {
1041                 if (queryType)
1042                     add_xsd_string(ptr, "queryType", queryType);
1043                 add_xsd_string(ptr, "query", req->query);
1044             }
1045             else
1046             {
1047                 if (!queryType || !strcmp(queryType, "cql"))
1048                     add_xsd_string(ptr, "query", req->query);
1049                 else if (!strcmp(queryType, "xcql"))
1050                     add_xsd_string(ptr, "xQuery", req->query);
1051                 else if (!strcmp(queryType, "pqf"))
1052                     add_xsd_string(ptr, "pQuery", req->query);
1053             }
1054             add_xsd_integer(ptr, "startRecord", req->startRecord);
1055             add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
1056             add_xsd_string(ptr, "recordPacking", req->recordPacking);
1057             add_xsd_string(ptr, "recordSchema", req->recordSchema);
1058             add_xsd_string(ptr, "recordXPath", req->recordXPath);
1059             add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
1060             switch (req->sort_type)
1061             {
1062             case Z_SRW_sort_type_none:
1063                 break;
1064             case Z_SRW_sort_type_sort:
1065                 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
1066                 break;
1067             case Z_SRW_sort_type_xSort:
1068                 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
1069                 break;
1070             }
1071             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1072             add_xsd_string(ptr, "database", req->database);
1073         }
1074         else if ((*p)->which == Z_SRW_searchRetrieve_response)
1075         {
1076             Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
1077             ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveResponse", 0);
1078             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1079             xmlSetNs(ptr, ns_srw);
1080
1081             if ((*p)->srw_version)
1082                 add_xsd_string(ptr, "version", (*p)->srw_version);
1083             add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
1084             add_xsd_string(ptr, "resultSetId", res->resultSetId);
1085             add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
1086             if (res->num_records)
1087             {
1088                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "records", 0);
1089                 yaz_srw_records(o, rptr, &res->records, &res->extra_records,
1090                                 &res->num_records,
1091                                 client_data, ns);
1092             }
1093             add_xsd_integer(ptr, "nextRecordPosition",
1094                             res->nextRecordPosition);
1095             if (res->num_diagnostics)
1096             {
1097                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1098                                               0);
1099                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1100                                     &res->num_diagnostics, client_data, ns);
1101             }
1102         }
1103         else if ((*p)->which == Z_SRW_explain_request)
1104         {
1105             Z_SRW_explainRequest *req = (*p)->u.explain_request;
1106             ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest", 0);
1107             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1108             xmlSetNs(ptr, ns_srw);
1109
1110             add_xsd_string(ptr, "version", (*p)->srw_version);
1111             add_xsd_string(ptr, "recordPacking", req->recordPacking);
1112             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1113             add_xsd_string(ptr, "database", req->database);
1114         }
1115         else if ((*p)->which == Z_SRW_explain_response)
1116         {
1117             Z_SRW_explainResponse *res = (*p)->u.explain_response;
1118             ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse", 0);
1119             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1120             xmlSetNs(ptr, ns_srw);
1121
1122             add_xsd_string(ptr, "version", (*p)->srw_version);
1123             if (1)
1124             {
1125                 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1126                 yaz_srw_record(o, ptr1, &res->record, &res->extra_record,
1127                                client_data, ns);
1128             }
1129             if (res->num_diagnostics)
1130             {
1131                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1132                                               0);
1133                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1134                                     &res->num_diagnostics, client_data, ns);
1135             }
1136         }
1137         else if ((*p)->which == Z_SRW_scan_request)
1138         {
1139             Z_SRW_scanRequest *req = (*p)->u.scan_request;
1140             const char *queryType = req->queryType;
1141             ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
1142             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1143             xmlSetNs(ptr, ns_srw);
1144
1145             add_xsd_string(ptr, "version", (*p)->srw_version);
1146
1147             if (strcmp((*p)->srw_version, "2.") > 0)
1148             {
1149                 if (queryType && strcmp(queryType, "cql"))
1150                     add_xsd_string(ptr, "queryType", queryType);
1151                 add_xsd_string(ptr, "scanClause", req->scanClause);
1152             }
1153             else
1154             {
1155                 if (!queryType || !strcmp(queryType, "cql"))
1156                     add_xsd_string(ptr, "scanClause", req->scanClause);
1157                 else if (!strcmp(queryType, "pqf"))
1158                     add_xsd_string(ptr, "pScanClause", req->scanClause);
1159             }
1160             add_xsd_integer(ptr, "responsePosition", req->responsePosition);
1161             add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
1162             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1163             add_xsd_string(ptr, "database", req->database);
1164         }
1165         else if ((*p)->which == Z_SRW_scan_response)
1166         {
1167             Z_SRW_scanResponse *res = (*p)->u.scan_response;
1168             ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
1169             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1170             xmlSetNs(ptr, ns_srw);
1171
1172             add_xsd_string(ptr, "version", (*p)->srw_version);
1173
1174             if (res->num_terms)
1175             {
1176                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "terms", 0);
1177                 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
1178                               client_data, ns);
1179             }
1180             if (res->num_diagnostics)
1181             {
1182                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1183                                               0);
1184                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1185                                     &res->num_diagnostics, client_data, ns);
1186             }
1187         }
1188         else
1189             return -1;
1190         if (ptr && (*p)->extraResponseData_len)
1191             add_XML_n(ptr, "extraResponseData",
1192                       (*p)->extraResponseData_buf,
1193                       (*p)->extraResponseData_len, ns_srw);
1194
1195
1196     }
1197     return 0;
1198 }
1199
1200 int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
1201                   void *client_data, const char *ns_ucp_str)
1202 {
1203     xmlNodePtr pptr = (xmlNodePtr) vptr;
1204     const char *ns_srw_str = YAZ_XMLNS_SRU_v1_1;
1205     if (o->direction == ODR_DECODE)
1206     {
1207         Z_SRW_PDU **p = handler_data;
1208         xmlNodePtr method = pptr->children;
1209
1210         while (method && method->type == XML_TEXT_NODE)
1211             method = method->next;
1212
1213         if (!method)
1214             return -1;
1215         if (method->type != XML_ELEMENT_NODE)
1216             return -1;
1217
1218         *p = yaz_srw_get_core_v_1_1(o);
1219
1220         if (!xmlStrcmp(method->name, BAD_CAST "updateRequest"))
1221         {
1222             xmlNodePtr ptr = method->children;
1223             Z_SRW_updateRequest *req;
1224             char *oper = 0;
1225
1226             (*p)->which = Z_SRW_update_request;
1227             req = (*p)->u.update_request = (Z_SRW_updateRequest *)
1228                 odr_malloc(o, sizeof(*req));
1229             req->database = 0;
1230             req->operation = 0;
1231             req->recordId = 0;
1232             req->recordVersions = 0;
1233             req->num_recordVersions = 0;
1234             req->record = 0;
1235             req->extra_record = 0;
1236             req->extraRequestData_buf = 0;
1237             req->extraRequestData_len = 0;
1238             req->stylesheet = 0;
1239
1240             for (; ptr; ptr = ptr->next)
1241             {
1242                 if (match_xsd_string(ptr, "version", o,
1243                                      &(*p)->srw_version))
1244                     ;
1245                 else if (match_xsd_string(ptr, "action", o,
1246                                           &oper)){
1247                     if (oper)
1248                     {
1249                         if (!strcmp(oper, "info:srw/action/1/delete"))
1250                             req->operation = "delete";
1251                         else if (!strcmp(oper,"info:srw/action/1/replace" ))
1252                             req->operation = "replace";
1253                         else if (!strcmp(oper, "info:srw/action/1/create"))
1254                             req->operation = "insert";
1255                     }
1256                 }
1257                 else if (match_xsd_string(ptr, "recordIdentifier", o,
1258                                           &req->recordId))
1259                     ;
1260                 else if (match_element(ptr, "recordVersions" ) )
1261                     yaz_srw_versions( o, ptr, &req->recordVersions,
1262                                       &req->num_recordVersions, client_data,
1263                                       ns_ucp_str);
1264                 else if (match_element(ptr, "record"))
1265                 {
1266                     req->record = yaz_srw_get_record(o);
1267                     yaz_srw_record(o, ptr, req->record, &req->extra_record,
1268                                    client_data, ns_ucp_str);
1269                 }
1270                 else if (match_xsd_string(ptr, "stylesheet", o,
1271                                           &req->stylesheet))
1272                     ;
1273                 else
1274                     match_xsd_string(ptr, "database", o, &req->database);
1275             }
1276         }
1277         else if (!xmlStrcmp(method->name, BAD_CAST "updateResponse"))
1278         {
1279             xmlNodePtr ptr = method->children;
1280             Z_SRW_updateResponse *res;
1281
1282             (*p)->which = Z_SRW_update_response;
1283             res = (*p)->u.update_response = (Z_SRW_updateResponse *)
1284                 odr_malloc(o, sizeof(*res));
1285
1286             res->operationStatus = 0;
1287             res->recordId = 0;
1288             res->recordVersions = 0;
1289             res->num_recordVersions = 0;
1290             res->diagnostics = 0;
1291             res->num_diagnostics = 0;
1292             res->record = 0;
1293             res->extra_record = 0;
1294             res->extraResponseData_buf = 0;
1295             res->extraResponseData_len = 0;
1296
1297             for (; ptr; ptr = ptr->next)
1298             {
1299                 if (match_xsd_string(ptr, "version", o,
1300                                      &(*p)->srw_version))
1301                     ;
1302                 else if (match_xsd_string(ptr, "operationStatus", o,
1303                                           &res->operationStatus ))
1304                     ;
1305                 else if (match_xsd_string(ptr, "recordIdentifier", o,
1306                                           &res->recordId))
1307                     ;
1308                 else if (match_element(ptr, "recordVersions" ))
1309                     yaz_srw_versions(o, ptr, &res->recordVersions,
1310                                      &res->num_recordVersions,
1311                                      client_data, ns_ucp_str);
1312                 else if (match_element(ptr, "record"))
1313                 {
1314                     res->record = yaz_srw_get_record(o);
1315                     yaz_srw_record(o, ptr, res->record, &res->extra_record,
1316                                    client_data, ns_ucp_str);
1317                 }
1318                 else if (match_element(ptr, "diagnostics"))
1319                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1320                                         &res->num_diagnostics,
1321                                         client_data, ns_ucp_str);
1322             }
1323         }
1324         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateRequest"))
1325         {
1326         }
1327         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateResponse"))
1328         {
1329         }
1330         else
1331         {
1332             *p = 0;
1333             return -1;
1334         }
1335     }
1336     else if (o->direction == ODR_ENCODE)
1337     {
1338         Z_SRW_PDU **p = handler_data;
1339         xmlNsPtr ns_ucp, ns_srw;
1340
1341         if ((*p)->which == Z_SRW_update_request)
1342         {
1343             Z_SRW_updateRequest *req = (*p)->u.update_request;
1344             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "updateRequest", 0);
1345             ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1346             xmlSetNs(ptr, ns_ucp);
1347             ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1348
1349             add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1350             add_xsd_string(ptr, "action", req->operation);
1351             add_xsd_string(ptr, "recordIdentifier", req->recordId );
1352             if (req->recordVersions)
1353                 yaz_srw_versions( o, ptr, &req->recordVersions,
1354                                   &req->num_recordVersions,
1355                                   client_data, ns_ucp_str);
1356             if (req->record && req->record->recordData_len)
1357             {
1358                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1359                 xmlSetNs(rptr, ns_srw);
1360                 yaz_srw_record(o, rptr, req->record, &req->extra_record,
1361                                client_data, ns_ucp_str);
1362             }
1363             if (req->extraRequestData_len)
1364             {
1365                 add_XML_n(ptr, "extraRequestData",
1366                           req->extraRequestData_buf,
1367                           req->extraRequestData_len, ns_srw);
1368             }
1369             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1370             add_xsd_string(ptr, "database", req->database);
1371         }
1372         else if ((*p)->which == Z_SRW_update_response)
1373         {
1374             Z_SRW_updateResponse *res = (*p)->u.update_response;
1375             xmlNodePtr ptr = xmlNewChild(pptr, 0, (xmlChar *)
1376                                          "updateResponse", 0);
1377             ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1378             xmlSetNs(ptr, ns_ucp);
1379             ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1380
1381             add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1382             add_xsd_string(ptr, "operationStatus", res->operationStatus );
1383             add_xsd_string(ptr, "recordIdentifier", res->recordId );
1384             if (res->recordVersions)
1385                 yaz_srw_versions(o, ptr, &res->recordVersions,
1386                                  &res->num_recordVersions,
1387                                  client_data, ns_ucp_str);
1388             if (res->record && res->record->recordData_len)
1389             {
1390                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1391                 xmlSetNs(rptr, ns_srw);
1392                 yaz_srw_record(o, rptr, res->record, &res->extra_record,
1393                                client_data, ns_ucp_str);
1394             }
1395             if (res->num_diagnostics)
1396             {
1397                 xmlNsPtr ns_diag =
1398                     xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1,
1399                              BAD_CAST "diag" );
1400
1401                 xmlNodePtr rptr = xmlNewChild(ptr, ns_diag, BAD_CAST "diagnostics", 0);
1402                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1403                                     &res->num_diagnostics, client_data,
1404                                     ns_ucp_str);
1405             }
1406             if (res->extraResponseData_len)
1407                 add_XML_n(ptr, "extraResponseData",
1408                           res->extraResponseData_buf,
1409                           res->extraResponseData_len, ns_srw);
1410         }
1411         else
1412             return -1;
1413     }
1414     return 0;
1415 }
1416
1417 #endif
1418
1419
1420 /*
1421  * Local variables:
1422  * c-basic-offset: 4
1423  * c-file-style: "Stroustrup"
1424  * indent-tabs-mode: nil
1425  * End:
1426  * vim: shiftwidth=4 tabstop=8 expandtab
1427  */
1428