src/srw.c

   1 /* This file is part of the YAZ toolkit.
   2  * Copyright (C) 1995-2012 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         int pack = Z_SRW_recordPacking_string;
 240         xmlNodePtr ptr;
 241         xmlNodePtr data_ptr = 0;
 242         rec->recordSchema = 0;
 243         rec->recordData_buf = 0;
 244         rec->recordData_len = 0;
 245         rec->recordPosition = 0;
 246         *extra = 0;
 247
 248         ex.extraRecordData_buf = 0;
 249         ex.extraRecordData_len = 0;
 250         ex.recordIdentifier = 0;
 251
 252         for (ptr = pptr->children; ptr; ptr = ptr->next)
 253         {
 254
 255             if (match_xsd_string(ptr, "recordSchema", o,
 256                                  &rec->recordSchema))
 257                 ;
 258             else if (match_xsd_string(ptr, "recordPacking", o, &spack))
 259             {
 260                 if (spack)
 261                     pack = yaz_srw_str_to_pack(spack);
 262             }
 263             else if (match_xsd_integer(ptr, "recordPosition", o,
 264                                        &rec->recordPosition))
 265                 ;
 266             else if (match_element(ptr, "recordData"))
 267             {
 268                 /* save position of Data until after the loop
 269                    then we will know the packing (hopefully), and
 270                    unpacking is done once
 271                 */
 272                 data_ptr = ptr;
 273             }
 274             else if (match_xsd_XML_n(ptr, "extraRecordData", o,
 275                                      &ex.extraRecordData_buf,
 276                                      &ex.extraRecordData_len) )
 277                 ;
 278             else
 279                 match_xsd_string(ptr, "recordIdentifier", o,
 280                                  &ex.recordIdentifier);
 281         }
 282         if (data_ptr)
 283         {
 284             switch (pack)
 285             {
 286             case Z_SRW_recordPacking_XML:
 287                 match_xsd_XML_n2(data_ptr, "recordData", o,
 288                                 &rec->recordData_buf, &rec->recordData_len, 1);
 289                 break;
 290             case Z_SRW_recordPacking_URL:
 291                 /* just store it as a string.
 292                    leave it to the backend to collect the document */
 293                 match_xsd_string_n(data_ptr, "recordData", o,
 294                                    &rec->recordData_buf, &rec->recordData_len);
 295                 break;
 296             case Z_SRW_recordPacking_string:
 297                 match_xsd_string_n(data_ptr, "recordData", o,
 298                                    &rec->recordData_buf, &rec->recordData_len);
 299                 break;
 300             }
 301         }
 302         rec->recordPacking = pack;
 303         if (ex.extraRecordData_buf || ex.recordIdentifier)
 304         {
 305             *extra = (Z_SRW_extra_record *)
 306                 odr_malloc(o, sizeof(Z_SRW_extra_record));
 307             memcpy(*extra, &ex, sizeof(Z_SRW_extra_record));
 308         }
 309     }
 310     else if (o->direction == ODR_ENCODE)
 311     {
 312         xmlNodePtr ptr = pptr;
 313         int pack = rec->recordPacking;
 314         const char *spack = yaz_srw_pack_to_str(pack);
 315
 316         add_xsd_string(ptr, "recordSchema", rec->recordSchema);
 317         if (spack)
 318             add_xsd_string(ptr, "recordPacking", spack);
 319         switch (pack)
 320         {
 321         case Z_SRW_recordPacking_string:
 322             add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
 323                              rec->recordData_len);
 324             break;
 325         case Z_SRW_recordPacking_XML:
 326             add_XML_n(ptr, "recordData", rec->recordData_buf,
 327                       rec->recordData_len, 0);
 328             break;
 329         case Z_SRW_recordPacking_URL:
 330             add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
 331                              rec->recordData_len);
 332             break;
 333         }
 334         if (rec->recordPosition)
 335             add_xsd_integer(ptr, "recordPosition", rec->recordPosition );
 336         if (extra && *extra)
 337         {
 338             if ((*extra)->recordIdentifier)
 339                 add_xsd_string(ptr, "recordIdentifier",
 340                                (*extra)->recordIdentifier);
 341             if ((*extra)->extraRecordData_buf)
 342                 add_XML_n(ptr, "extraRecordData",
 343                           (*extra)->extraRecordData_buf,
 344                           (*extra)->extraRecordData_len, 0);
 345         }
 346     }
 347     return 0;
 348 }
 349
 350 static int yaz_srw_records(ODR o, xmlNodePtr pptr, Z_SRW_record **recs,
 351                            Z_SRW_extra_record ***extra,
 352                            int *num, void *client_data, const char *ns)
 353 {
 354     if (o->direction == ODR_DECODE)
 355     {
 356         int i;
 357         xmlNodePtr ptr;
 358         *num = 0;
 359         for (ptr = pptr->children; ptr; ptr = ptr->next)
 360         {
 361             if (ptr->type == XML_ELEMENT_NODE &&
 362                 !xmlStrcmp(ptr->name, BAD_CAST "record"))
 363                 (*num)++;
 364         }
 365         if (!*num)
 366             return 1;
 367         *recs = (Z_SRW_record *) odr_malloc(o, *num * sizeof(**recs));
 368         *extra = (Z_SRW_extra_record **) odr_malloc(o, *num * sizeof(**extra));
 369         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
 370         {
 371             if (ptr->type == XML_ELEMENT_NODE &&
 372                 !xmlStrcmp(ptr->name, BAD_CAST "record"))
 373             {
 374                 yaz_srw_record(o, ptr, *recs + i, *extra + i, client_data, ns);
 375                 i++;
 376             }
 377         }
 378     }
 379     else if (o->direction == ODR_ENCODE)
 380     {
 381         int i;
 382         for (i = 0; i < *num; i++)
 383         {
 384             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "record",
 385                                           0);
 386             yaz_srw_record(o, rptr, (*recs)+i, (*extra ? *extra + i : 0),
 387                            client_data, ns);
 388         }
 389     }
 390     return 0;
 391 }
 392
 393 static int yaz_srw_version(ODR o, xmlNodePtr pptr, Z_SRW_recordVersion *rec,
 394                            void *client_data, const char *ns)
 395 {
 396     if (o->direction == ODR_DECODE)
 397     {
 398         xmlNodePtr ptr;
 399         rec->versionType = 0;
 400         rec->versionValue = 0;
 401         for (ptr = pptr->children; ptr; ptr = ptr->next)
 402         {
 403
 404             if (match_xsd_string(ptr, "versionType", o,
 405                                  &rec->versionType))
 406                 ;
 407             else
 408                 match_xsd_string(ptr, "versionValue", o, &rec->versionValue);
 409         }
 410     }
 411     else if (o->direction == ODR_ENCODE)
 412     {
 413         xmlNodePtr ptr = pptr;
 414         add_xsd_string(ptr, "versionType", rec->versionType);
 415         add_xsd_string(ptr, "versionValue", rec->versionValue);
 416     }
 417     return 0;
 418 }
 419
 420 static int yaz_srw_versions(ODR o, xmlNodePtr pptr,
 421                             Z_SRW_recordVersion **vers,
 422                             int *num, void *client_data, const char *ns)
 423 {
 424     if (o->direction == ODR_DECODE)
 425     {
 426         int i;
 427         xmlNodePtr ptr;
 428         *num = 0;
 429         for (ptr = pptr->children; ptr; ptr = ptr->next)
 430         {
 431             if (ptr->type == XML_ELEMENT_NODE &&
 432                 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
 433                 (*num)++;
 434         }
 435         if (!*num)
 436             return 1;
 437         *vers = (Z_SRW_recordVersion *) odr_malloc(o, *num * sizeof(**vers));
 438         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
 439         {
 440             if (ptr->type == XML_ELEMENT_NODE &&
 441                 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
 442             {
 443                 yaz_srw_version(o, ptr, *vers + i, client_data, ns);
 444                 i++;
 445             }
 446         }
 447     }
 448     else if (o->direction == ODR_ENCODE)
 449     {
 450         int i;
 451         for (i = 0; i < *num; i++)
 452         {
 453             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "version",
 454                                           0);
 455             yaz_srw_version(o, rptr, (*vers)+i, client_data, ns);
 456         }
 457     }
 458     return 0;
 459 }
 460
 461 Z_FacetTerm *yaz_sru_proxy_get_facet_term_count(ODR odr, xmlNodePtr node)
 462 {
 463     Odr_int freq;
 464     xmlNodePtr child;
 465     WRBUF wrbuf = wrbuf_alloc();
 466     Z_FacetTerm *facet_term;
 467     const char *freq_string = yaz_element_attribute_value_get(
 468         node, "facetvalue", "est_representation");
 469     if (freq_string)
 470         freq = odr_atoi(freq_string);
 471     else
 472         freq = -1;
 473
 474     for (child = node->children; child ; child = child->next)
 475     {
 476         if (child->type == XML_TEXT_NODE)
 477             wrbuf_puts(wrbuf, (const char *) child->content);
 478     }
 479     facet_term = facet_term_create_cstr(odr, wrbuf_cstr(wrbuf), freq);
 480     wrbuf_destroy(wrbuf);
 481     return facet_term;
 482 };
 483
 484 static Z_FacetField *yaz_sru_proxy_decode_facet_field(ODR odr, xmlNodePtr ptr)
 485 {
 486     Z_AttributeList *list;
 487     Z_FacetField *facet_field;
 488     int num_terms = 0;
 489     int index = 0;
 490     xmlNodePtr node;
 491     /* USE attribute */
 492     const char* name = yaz_element_attribute_value_get(ptr, "facet", "code");
 493     yaz_log(YLOG_DEBUG, "sru-proxy facet type: %s", name);
 494
 495     list = yaz_use_attribute_create(odr, name);
 496     for (node = ptr->children; node; node = node->next) {
 497         if (match_element(node, "facetvalue"))
 498             num_terms++;
 499     }
 500     facet_field = facet_field_create(odr, list, num_terms);
 501     index = 0;
 502     for (node = ptr->children; node; node = node->next)
 503     {
 504         if (match_element(node, "facetvalue"))
 505         {
 506             facet_field_term_set(odr, facet_field,
 507                                  yaz_sru_proxy_get_facet_term_count(odr, node),
 508                                  index);
 509             index++;
 510         }
 511     }
 512     return facet_field;
 513 }
 514
 515 static int yaz_sru_proxy_decode_facets(ODR o, xmlNodePtr root,
 516                                        Z_FacetList **facetList)
 517 {
 518     xmlNodePtr ptr;
 519
 520     for (ptr = root->children; ptr; ptr = ptr->next)
 521     {
 522         if (match_element(ptr, "facets"))
 523         {
 524             xmlNodePtr node;
 525             Z_FacetList *facet_list;
 526             int num_facets = 0;
 527             for (node = ptr->children; node; node= node->next)
 528             {
 529                 if (node->type == XML_ELEMENT_NODE)
 530                     num_facets++;
 531             }
 532             facet_list = facet_list_create(o, num_facets);
 533             num_facets = 0;
 534             for (node = ptr->children; node; node= node->next)
 535             {
 536                 if (match_element(node, "facet"))
 537                 {
 538                     facet_list_field_set(
 539                         o, facet_list,
 540                         yaz_sru_proxy_decode_facet_field(o, node), num_facets);
 541                     num_facets++;
 542                 }
 543             }
 544             *facetList = facet_list;
 545             break;
 546         }
 547     }
 548     return 0;
 549 }
 550
 551
 552
 553 static int yaz_srw_decode_diagnostics(ODR o, xmlNodePtr pptr,
 554                                       Z_SRW_diagnostic **recs, int *num,
 555                                       void *client_data, const char *ns)
 556 {
 557     int i;
 558     xmlNodePtr ptr;
 559     *num = 0;
 560     for (ptr = pptr; ptr; ptr = ptr->next)
 561     {
 562         if (ptr->type == XML_ELEMENT_NODE &&
 563             !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
 564             (*num)++;
 565     }
 566     if (!*num)
 567         return 1;
 568     *recs = (Z_SRW_diagnostic *) odr_malloc(o, *num * sizeof(**recs));
 569     for (i = 0; i < *num; i++)
 570     {
 571         (*recs)[i].uri = 0;
 572         (*recs)[i].details = 0;
 573         (*recs)[i].message = 0;
 574     }
 575     for (i = 0, ptr = pptr; ptr; ptr = ptr->next)
 576     {
 577         if (ptr->type == XML_ELEMENT_NODE &&
 578             !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
 579         {
 580             xmlNodePtr rptr;
 581             (*recs)[i].uri = 0;
 582             (*recs)[i].details = 0;
 583             (*recs)[i].message = 0;
 584             for (rptr = ptr->children; rptr; rptr = rptr->next)
 585             {
 586                 if (match_xsd_string(rptr, "uri", o,
 587                                      &(*recs)[i].uri))
 588                     ;
 589                 else if (match_xsd_string(rptr, "details", o,
 590                                           &(*recs)[i].details))
 591                     ;
 592                 else
 593                     match_xsd_string(rptr, "message", o, &(*recs)[i].message);
 594             }
 595             i++;
 596         }
 597     }
 598     return 0;
 599 }
 600
 601 int sru_decode_surrogate_diagnostics(const char *buf, size_t len,
 602                                      Z_SRW_diagnostic **diag,
 603                                      int *num, ODR odr)
 604 {
 605     int ret = 0;
 606     xmlDocPtr doc = xmlParseMemory(buf, len);
 607     if (doc)
 608     {
 609         xmlNodePtr ptr = xmlDocGetRootElement(doc);
 610         while (ptr && ptr->type != XML_ELEMENT_NODE)
 611             ptr = ptr->next;
 612         if (ptr && ptr->ns
 613             && !xmlStrcmp(ptr->ns->href,
 614                           BAD_CAST "http://www.loc.gov/zing/srw/diagnostic/"))
 615         {
 616             ret = yaz_srw_decode_diagnostics(odr, ptr, diag, num, 0, 0);
 617         }
 618         xmlFreeDoc(doc);
 619     }
 620     return ret;
 621 }
 622
 623 static int yaz_srw_diagnostics(ODR o, xmlNodePtr pptr, Z_SRW_diagnostic **recs,
 624                                int *num, void *client_data, const char *ns)
 625 {
 626     if (o->direction == ODR_DECODE)
 627     {
 628         return yaz_srw_decode_diagnostics(o, pptr->children, recs, num, client_data, ns);
 629     }
 630     else if (o->direction == ODR_ENCODE)
 631     {
 632         int i;
 633         xmlNsPtr ns_diag =
 634             xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1, BAD_CAST "diag" );
 635         for (i = 0; i < *num; i++)
 636         {
 637             const char *std_diag = "info:srw/diagnostic/1/";
 638             const char *ucp_diag = "info:srw/diagnostic/12/";
 639             xmlNodePtr rptr = xmlNewChild(pptr, ns_diag,
 640                                           BAD_CAST "diagnostic", 0);
 641             add_xsd_string(rptr, "uri", (*recs)[i].uri);
 642             if ((*recs)[i].message)
 643                 add_xsd_string(rptr, "message", (*recs)[i].message);
 644             else if ((*recs)[i].uri )
 645             {
 646                 if (!strncmp((*recs)[i].uri, std_diag, strlen(std_diag)))
 647                 {
 648                     int no = atoi((*recs)[i].uri + strlen(std_diag));
 649                     const char *message = yaz_diag_srw_str(no);
 650                     if (message)
 651                         add_xsd_string(rptr, "message", message);
 652                 }
 653                 else if (!strncmp((*recs)[i].uri, ucp_diag, strlen(ucp_diag)))
 654                 {
 655                     int no = atoi((*recs)[i].uri + strlen(ucp_diag));
 656                     const char *message = yaz_diag_sru_update_str(no);
 657                     if (message)
 658                         add_xsd_string(rptr, "message", message);
 659                 }
 660             }
 661             add_xsd_string(rptr, "details", (*recs)[i].details);
 662         }
 663     }
 664     return 0;
 665 }
 666
 667 static int yaz_srw_term(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm *term,
 668                         void *client_data, const char *ns)
 669 {
 670     if (o->direction == ODR_DECODE)
 671     {
 672         xmlNodePtr ptr;
 673         term->value = 0;
 674         term->numberOfRecords = 0;
 675         term->displayTerm = 0;
 676         term->whereInList = 0;
 677         for (ptr = pptr->children; ptr; ptr = ptr->next)
 678         {
 679             if (match_xsd_string(ptr, "value", o,  &term->value))
 680                 ;
 681             else if (match_xsd_integer(ptr, "numberOfRecords", o,
 682                                        &term->numberOfRecords))
 683                 ;
 684             else if (match_xsd_string(ptr, "displayTerm", o,
 685                                       &term->displayTerm))
 686                 ;
 687             else
 688                 match_xsd_string(ptr, "whereInList", o, &term->whereInList);
 689         }
 690     }
 691     else if (o->direction == ODR_ENCODE)
 692     {
 693         xmlNodePtr ptr = pptr;
 694         add_xsd_string(ptr, "value", term->value);
 695         add_xsd_integer(ptr, "numberOfRecords", term->numberOfRecords);
 696         add_xsd_string(ptr, "displayTerm", term->displayTerm);
 697         add_xsd_string(ptr, "whereInList", term->whereInList);
 698     }
 699     return 0;
 700 }
 701
 702 static int yaz_srw_terms(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm **terms,
 703                          int *num, void *client_data, const char *ns)
 704 {
 705     if (o->direction == ODR_DECODE)
 706     {
 707         int i;
 708         xmlNodePtr ptr;
 709         *num = 0;
 710         for (ptr = pptr->children; ptr; ptr = ptr->next)
 711         {
 712             if (ptr->type == XML_ELEMENT_NODE &&
 713                 !xmlStrcmp(ptr->name, BAD_CAST "term"))
 714                 (*num)++;
 715         }
 716         if (!*num)
 717             return 1;
 718         *terms = (Z_SRW_scanTerm *) odr_malloc(o, *num * sizeof(**terms));
 719         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
 720         {
 721             if (ptr->type == XML_ELEMENT_NODE &&
 722                 !xmlStrcmp(ptr->name, BAD_CAST "term"))
 723                 yaz_srw_term(o, ptr, (*terms)+i, client_data, ns);
 724         }
 725     }
 726     else if (o->direction == ODR_ENCODE)
 727     {
 728         int i;
 729         for (i = 0; i < *num; i++)
 730         {
 731             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "term", 0);
 732             yaz_srw_term(o, rptr, (*terms)+i, client_data, ns);
 733         }
 734     }
 735     return 0;
 736 }
 737
 738 int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
 739                   void *client_data, const char *ns)
 740 {
 741     xmlNodePtr pptr = (xmlNodePtr) vptr;
 742     if (o->direction == ODR_DECODE)
 743     {
 744         Z_SRW_PDU **p = handler_data;
 745         xmlNodePtr method = pptr->children;
 746         char *neg_version;
 747
 748         while (method && method->type == XML_TEXT_NODE)
 749             method = method->next;
 750
 751         if (!method)
 752             return -1;
 753         if (method->type != XML_ELEMENT_NODE)
 754             return -1;
 755
 756         *p = yaz_srw_get_core_v_1_1(o);
 757
 758         if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveRequest"))
 759         {
 760             xmlNodePtr ptr = method->children;
 761             Z_SRW_searchRetrieveRequest *req;
 762
 763             (*p)->which = Z_SRW_searchRetrieve_request;
 764             req = (*p)->u.request = (Z_SRW_searchRetrieveRequest *)
 765                 odr_malloc(o, sizeof(*req));
 766             req->query_type = Z_SRW_query_type_cql;
 767             req->query.cql = 0;
 768             req->sort_type = Z_SRW_sort_type_none;
 769             req->sort.none = 0;
 770             req->startRecord = 0;
 771             req->maximumRecords = 0;
 772             req->recordSchema = 0;
 773             req->recordPacking = 0;
 774             req->recordXPath = 0;
 775             req->resultSetTTL = 0;
 776             req->stylesheet = 0;
 777             req->database = 0;
 778
 779             for (; ptr; ptr = ptr->next)
 780             {
 781                 if (match_xsd_string(ptr, "version", o,
 782                                      &(*p)->srw_version))
 783                     ;
 784                 else if (match_xsd_string(ptr, "query", o,
 785                                           &req->query.cql))
 786                     req->query_type = Z_SRW_query_type_cql;
 787                 else if (match_xsd_string(ptr, "pQuery", o,
 788                                           &req->query.pqf))
 789                     req->query_type = Z_SRW_query_type_pqf;
 790                 else if (match_xsd_string(ptr, "xQuery", o,
 791                                           &req->query.xcql))
 792                     req->query_type = Z_SRW_query_type_xcql;
 793                 else if (match_xsd_integer(ptr, "startRecord", o,
 794                                            &req->startRecord))
 795                     ;
 796                 else if (match_xsd_integer(ptr, "maximumRecords", o,
 797                                            &req->maximumRecords))
 798                     ;
 799                 else if (match_xsd_string(ptr, "recordPacking", o,
 800                                           &req->recordPacking))
 801                     ;
 802                 else if (match_xsd_string(ptr, "recordSchema", o,
 803                                           &req->recordSchema))
 804                     ;
 805                 else if (match_xsd_string(ptr, "recordXPath", o,
 806                                           &req->recordXPath))
 807                     ;
 808                 else if (match_xsd_integer(ptr, "resultSetTTL", o,
 809                                            &req->resultSetTTL))
 810                     ;
 811                 else if (match_xsd_string(ptr, "sortKeys", o,
 812                                           &req->sort.sortKeys))
 813                     req->sort_type = Z_SRW_sort_type_sort;
 814                 else if (match_xsd_string(ptr, "stylesheet", o,
 815                                           &req->stylesheet))
 816                     ;
 817                 else
 818                     match_xsd_string(ptr, "database", o, &req->database);
 819             }
 820             if (!req->query.cql && !req->query.pqf && !req->query.xcql)
 821             {
 822                 /* should put proper diagnostic here */
 823                 return -1;
 824             }
 825         }
 826         else if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveResponse"))
 827         {
 828             xmlNodePtr ptr = method->children;
 829             Z_SRW_searchRetrieveResponse *res;
 830
 831             (*p)->which = Z_SRW_searchRetrieve_response;
 832             res = (*p)->u.response = (Z_SRW_searchRetrieveResponse *)
 833                 odr_malloc(o, sizeof(*res));
 834
 835             res->numberOfRecords = 0;
 836             res->resultSetId = 0;
 837             res->resultSetIdleTime = 0;
 838             res->records = 0;
 839             res->num_records = 0;
 840             res->diagnostics = 0;
 841             res->num_diagnostics = 0;
 842             res->nextRecordPosition = 0;
 843             res->facetList = 0;
 844             res->suggestions = 0;
 845
 846             for (; ptr; ptr = ptr->next)
 847             {
 848                 if (match_xsd_string(ptr, "version", o,
 849                                      &(*p)->srw_version))
 850                     ;
 851                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 852                                          &(*p)->extraResponseData_buf,
 853                                          &(*p)->extraResponseData_len))
 854                     ;
 855                 else if (match_xsd_integer(ptr, "numberOfRecords", o,
 856                                            &res->numberOfRecords))
 857                     ;
 858                 else if (match_xsd_string(ptr, "resultSetId", o,
 859                                           &res->resultSetId))
 860                     ;
 861                 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
 862                                            &res->resultSetIdleTime))
 863                     ;
 864                 else if (match_element(ptr, "records"))
 865                     yaz_srw_records(o, ptr, &res->records,
 866                                     &res->extra_records,
 867                                     &res->num_records, client_data, ns);
 868                 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
 869                                            &res->nextRecordPosition))
 870                     ;
 871                 else if (match_element(ptr, "diagnostics"))
 872                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 873                                         &res->num_diagnostics,
 874                                         client_data, ns);
 875                 else if (match_element(ptr, "facet_analysis"))
 876                     yaz_sru_proxy_decode_facets(o, ptr, &res->facetList);
 877             }
 878         }
 879         else if (!xmlStrcmp(method->name, BAD_CAST "explainRequest"))
 880         {
 881             Z_SRW_explainRequest *req;
 882             xmlNodePtr ptr = method->children;
 883
 884             (*p)->which = Z_SRW_explain_request;
 885             req = (*p)->u.explain_request = (Z_SRW_explainRequest *)
 886                 odr_malloc(o, sizeof(*req));
 887             req->recordPacking = 0;
 888             req->database = 0;
 889             req->stylesheet = 0;
 890             for (; ptr; ptr = ptr->next)
 891             {
 892                 if (match_xsd_string(ptr, "version", o,
 893                                      &(*p)->srw_version))
 894                     ;
 895                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 896                                          &(*p)->extraResponseData_buf,
 897                                          &(*p)->extraResponseData_len))
 898                     ;
 899                 else if (match_xsd_string(ptr, "stylesheet", o,
 900                                           &req->stylesheet))
 901                     ;
 902                 else if (match_xsd_string(ptr, "recordPacking", o,
 903                                           &req->recordPacking))
 904                     ;
 905                 else
 906                     match_xsd_string(ptr, "database", o, &req->database);
 907             }
 908         }
 909         else if (!xmlStrcmp(method->name, BAD_CAST "explainResponse"))
 910         {
 911             Z_SRW_explainResponse *res;
 912             xmlNodePtr ptr = method->children;
 913
 914             (*p)->which = Z_SRW_explain_response;
 915             res = (*p)->u.explain_response = (Z_SRW_explainResponse*)
 916                 odr_malloc(o, sizeof(*res));
 917             res->diagnostics = 0;
 918             res->num_diagnostics = 0;
 919             res->record.recordSchema = 0;
 920             res->record.recordData_buf = 0;
 921             res->record.recordData_len = 0;
 922             res->record.recordPosition = 0;
 923
 924             for (; ptr; ptr = ptr->next)
 925             {
 926                 if (match_xsd_string(ptr, "version", o,
 927                                      &(*p)->srw_version))
 928                     ;
 929                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 930                                          &(*p)->extraResponseData_buf,
 931                                          &(*p)->extraResponseData_len))
 932                     ;
 933                 else if (match_element(ptr, "record"))
 934                     yaz_srw_record(o, ptr, &res->record, &res->extra_record,
 935                                    client_data, ns);
 936                 else if (match_element(ptr, "diagnostics"))
 937                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 938                                         &res->num_diagnostics,
 939                                         client_data, ns);
 940                 ;
 941             }
 942         }
 943         else if (!xmlStrcmp(method->name, BAD_CAST "scanRequest"))
 944         {
 945             Z_SRW_scanRequest *req;
 946             xmlNodePtr ptr = method->children;
 947
 948             (*p)->which = Z_SRW_scan_request;
 949             req = (*p)->u.scan_request = (Z_SRW_scanRequest *)
 950                 odr_malloc(o, sizeof(*req));
 951             req->query_type = Z_SRW_query_type_cql;
 952             req->scanClause.cql = 0;
 953             req->responsePosition = 0;
 954             req->maximumTerms = 0;
 955             req->stylesheet = 0;
 956             req->database = 0;
 957
 958             for (; ptr; ptr = ptr->next)
 959             {
 960                 if (match_xsd_string(ptr, "version", o,
 961                                      &(*p)->srw_version))
 962                     ;
 963                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 964                                          &(*p)->extraResponseData_buf,
 965                                          &(*p)->extraResponseData_len))
 966                     ;
 967                 else if (match_xsd_string(ptr, "scanClause", o,
 968                                           &req->scanClause.cql))
 969                     ;
 970                 else if (match_xsd_string(ptr, "pScanClause", o,
 971                                           &req->scanClause.pqf))
 972                 {
 973                     req->query_type = Z_SRW_query_type_pqf;
 974                 }
 975                 else if (match_xsd_integer(ptr, "responsePosition", o,
 976                                            &req->responsePosition))
 977                     ;
 978                 else if (match_xsd_integer(ptr, "maximumTerms", o,
 979                                            &req->maximumTerms))
 980                     ;
 981                 else if (match_xsd_string(ptr, "stylesheet", o,
 982                                           &req->stylesheet))
 983                     ;
 984                 else
 985                     match_xsd_string(ptr, "database", o, &req->database);
 986             }
 987         }
 988         else if (!xmlStrcmp(method->name, BAD_CAST "scanResponse"))
 989         {
 990             Z_SRW_scanResponse *res;
 991             xmlNodePtr ptr = method->children;
 992
 993             (*p)->which = Z_SRW_scan_response;
 994             res = (*p)->u.scan_response = (Z_SRW_scanResponse *)
 995                 odr_malloc(o, sizeof(*res));
 996             res->terms = 0;
 997             res->num_terms = 0;
 998             res->diagnostics = 0;
 999             res->num_diagnostics = 0;
1000
1001             for (; ptr; ptr = ptr->next)
1002             {
1003                 if (match_xsd_string(ptr, "version", o,
1004                                      &(*p)->srw_version))
1005                     ;
1006                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
1007                                          &(*p)->extraResponseData_buf,
1008                                          &(*p)->extraResponseData_len))
1009                     ;
1010                 else if (match_element(ptr, "terms"))
1011                     yaz_srw_terms(o, ptr, &res->terms,
1012                                   &res->num_terms, client_data,
1013                                   ns);
1014                 else if (match_element(ptr, "diagnostics"))
1015                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1016                                         &res->num_diagnostics,
1017                                         client_data, ns);
1018             }
1019         }
1020         else
1021         {
1022             *p = 0;
1023             return -1;
1024         }
1025         neg_version = yaz_negotiate_sru_version((*p)->srw_version);
1026         if (neg_version)
1027             (*p)->srw_version = neg_version;
1028     }
1029     else if (o->direction == ODR_ENCODE)
1030     {
1031         Z_SRW_PDU **p = handler_data;
1032         xmlNsPtr ns_srw;
1033         xmlNodePtr ptr = 0;
1034
1035         if ((*p)->which == Z_SRW_searchRetrieve_request)
1036         {
1037             Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
1038             ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveRequest", 0);
1039             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1040             xmlSetNs(ptr, ns_srw);
1041
1042             if ((*p)->srw_version)
1043                 add_xsd_string(ptr, "version", (*p)->srw_version);
1044             switch (req->query_type)
1045             {
1046             case Z_SRW_query_type_cql:
1047                 add_xsd_string(ptr, "query", req->query.cql);
1048                 break;
1049             case Z_SRW_query_type_xcql:
1050                 add_xsd_string(ptr, "xQuery", req->query.xcql);
1051                 break;
1052             case Z_SRW_query_type_pqf:
1053                 add_xsd_string(ptr, "pQuery", req->query.pqf);
1054                 break;
1055             }
1056             add_xsd_integer(ptr, "startRecord", req->startRecord);
1057             add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
1058             add_xsd_string(ptr, "recordPacking", req->recordPacking);
1059             add_xsd_string(ptr, "recordSchema", req->recordSchema);
1060             add_xsd_string(ptr, "recordXPath", req->recordXPath);
1061             add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
1062             switch (req->sort_type)
1063             {
1064             case Z_SRW_sort_type_none:
1065                 break;
1066             case Z_SRW_sort_type_sort:
1067                 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
1068                 break;
1069             case Z_SRW_sort_type_xSort:
1070                 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
1071                 break;
1072             }
1073             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1074             add_xsd_string(ptr, "database", req->database);
1075         }
1076         else if ((*p)->which == Z_SRW_searchRetrieve_response)
1077         {
1078             Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
1079             ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveResponse", 0);
1080             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1081             xmlSetNs(ptr, ns_srw);
1082
1083             if ((*p)->srw_version)
1084                 add_xsd_string(ptr, "version", (*p)->srw_version);
1085             add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
1086             add_xsd_string(ptr, "resultSetId", res->resultSetId);
1087             add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
1088             if (res->num_records)
1089             {
1090                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "records", 0);
1091                 yaz_srw_records(o, rptr, &res->records, &res->extra_records,
1092                                 &res->num_records,
1093                                 client_data, ns);
1094             }
1095             add_xsd_integer(ptr, "nextRecordPosition",
1096                             res->nextRecordPosition);
1097             if (res->num_diagnostics)
1098             {
1099                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1100                                               0);
1101                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1102                                     &res->num_diagnostics, client_data, ns);
1103             }
1104         }
1105         else if ((*p)->which == Z_SRW_explain_request)
1106         {
1107             Z_SRW_explainRequest *req = (*p)->u.explain_request;
1108             ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest", 0);
1109             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1110             xmlSetNs(ptr, ns_srw);
1111
1112             add_xsd_string(ptr, "version", (*p)->srw_version);
1113             add_xsd_string(ptr, "recordPacking", req->recordPacking);
1114             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1115             add_xsd_string(ptr, "database", req->database);
1116         }
1117         else if ((*p)->which == Z_SRW_explain_response)
1118         {
1119             Z_SRW_explainResponse *res = (*p)->u.explain_response;
1120             ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse", 0);
1121             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1122             xmlSetNs(ptr, ns_srw);
1123
1124             add_xsd_string(ptr, "version", (*p)->srw_version);
1125             if (1)
1126             {
1127                 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1128                 yaz_srw_record(o, ptr1, &res->record, &res->extra_record,
1129                                client_data, ns);
1130             }
1131             if (res->num_diagnostics)
1132             {
1133                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1134                                               0);
1135                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1136                                     &res->num_diagnostics, client_data, ns);
1137             }
1138         }
1139         else if ((*p)->which == Z_SRW_scan_request)
1140         {
1141             Z_SRW_scanRequest *req = (*p)->u.scan_request;
1142             ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
1143             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1144             xmlSetNs(ptr, ns_srw);
1145
1146             add_xsd_string(ptr, "version", (*p)->srw_version);
1147             switch (req->query_type)
1148             {
1149             case Z_SRW_query_type_cql:
1150                 add_xsd_string(ptr, "scanClause", req->scanClause.cql);
1151                 break;
1152             case Z_SRW_query_type_pqf:
1153                 add_xsd_string(ptr, "pScanClause", req->scanClause.pqf);
1154                 break;
1155             }
1156             add_xsd_integer(ptr, "responsePosition", req->responsePosition);
1157             add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
1158             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1159             add_xsd_string(ptr, "database", req->database);
1160         }
1161         else if ((*p)->which == Z_SRW_scan_response)
1162         {
1163             Z_SRW_scanResponse *res = (*p)->u.scan_response;
1164             ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
1165             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1166             xmlSetNs(ptr, ns_srw);
1167
1168             add_xsd_string(ptr, "version", (*p)->srw_version);
1169
1170             if (res->num_terms)
1171             {
1172                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "terms", 0);
1173                 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
1174                               client_data, ns);
1175             }
1176             if (res->num_diagnostics)
1177             {
1178                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1179                                               0);
1180                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1181                                     &res->num_diagnostics, client_data, ns);
1182             }
1183         }
1184         else
1185             return -1;
1186         if (ptr && (*p)->extraResponseData_len)
1187             add_XML_n(ptr, "extraResponseData",
1188                       (*p)->extraResponseData_buf,
1189                       (*p)->extraResponseData_len, ns_srw);
1190
1191
1192     }
1193     return 0;
1194 }
1195
1196 int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
1197                   void *client_data, const char *ns_ucp_str)
1198 {
1199     xmlNodePtr pptr = (xmlNodePtr) vptr;
1200     const char *ns_srw_str = YAZ_XMLNS_SRU_v1_1;
1201     if (o->direction == ODR_DECODE)
1202     {
1203         Z_SRW_PDU **p = handler_data;
1204         xmlNodePtr method = pptr->children;
1205
1206         while (method && method->type == XML_TEXT_NODE)
1207             method = method->next;
1208
1209         if (!method)
1210             return -1;
1211         if (method->type != XML_ELEMENT_NODE)
1212             return -1;
1213
1214         *p = yaz_srw_get_core_v_1_1(o);
1215
1216         if (!xmlStrcmp(method->name, BAD_CAST "updateRequest"))
1217         {
1218             xmlNodePtr ptr = method->children;
1219             Z_SRW_updateRequest *req;
1220             char *oper = 0;
1221
1222             (*p)->which = Z_SRW_update_request;
1223             req = (*p)->u.update_request = (Z_SRW_updateRequest *)
1224                 odr_malloc(o, sizeof(*req));
1225             req->database = 0;
1226             req->operation = 0;
1227             req->recordId = 0;
1228             req->recordVersions = 0;
1229             req->num_recordVersions = 0;
1230             req->record = 0;
1231             req->extra_record = 0;
1232             req->extraRequestData_buf = 0;
1233             req->extraRequestData_len = 0;
1234             req->stylesheet = 0;
1235
1236             for (; ptr; ptr = ptr->next)
1237             {
1238                 if (match_xsd_string(ptr, "version", o,
1239                                      &(*p)->srw_version))
1240                     ;
1241                 else if (match_xsd_string(ptr, "action", o,
1242                                           &oper)){
1243                     if (oper)
1244                     {
1245                         if (!strcmp(oper, "info:srw/action/1/delete"))
1246                             req->operation = "delete";
1247                         else if (!strcmp(oper,"info:srw/action/1/replace" ))
1248                             req->operation = "replace";
1249                         else if (!strcmp(oper, "info:srw/action/1/create"))
1250                             req->operation = "insert";
1251                     }
1252                 }
1253                 else if (match_xsd_string(ptr, "recordIdentifier", o,
1254                                           &req->recordId))
1255                     ;
1256                 else if (match_element(ptr, "recordVersions" ) )
1257                     yaz_srw_versions( o, ptr, &req->recordVersions,
1258                                       &req->num_recordVersions, client_data,
1259                                       ns_ucp_str);
1260                 else if (match_element(ptr, "record"))
1261                 {
1262                     req->record = yaz_srw_get_record(o);
1263                     yaz_srw_record(o, ptr, req->record, &req->extra_record,
1264                                    client_data, ns_ucp_str);
1265                 }
1266                 else if (match_xsd_string(ptr, "stylesheet", o,
1267                                           &req->stylesheet))
1268                     ;
1269                 else
1270                     match_xsd_string(ptr, "database", o, &req->database);
1271             }
1272         }
1273         else if (!xmlStrcmp(method->name, BAD_CAST "updateResponse"))
1274         {
1275             xmlNodePtr ptr = method->children;
1276             Z_SRW_updateResponse *res;
1277
1278             (*p)->which = Z_SRW_update_response;
1279             res = (*p)->u.update_response = (Z_SRW_updateResponse *)
1280                 odr_malloc(o, sizeof(*res));
1281
1282             res->operationStatus = 0;
1283             res->recordId = 0;
1284             res->recordVersions = 0;
1285             res->num_recordVersions = 0;
1286             res->diagnostics = 0;
1287             res->num_diagnostics = 0;
1288             res->record = 0;
1289             res->extra_record = 0;
1290             res->extraResponseData_buf = 0;
1291             res->extraResponseData_len = 0;
1292
1293             for (; ptr; ptr = ptr->next)
1294             {
1295                 if (match_xsd_string(ptr, "version", o,
1296                                      &(*p)->srw_version))
1297                     ;
1298                 else if (match_xsd_string(ptr, "operationStatus", o,
1299                                           &res->operationStatus ))
1300                     ;
1301                 else if (match_xsd_string(ptr, "recordIdentifier", o,
1302                                           &res->recordId))
1303                     ;
1304                 else if (match_element(ptr, "recordVersions" ))
1305                     yaz_srw_versions(o, ptr, &res->recordVersions,
1306                                      &res->num_recordVersions,
1307                                      client_data, ns_ucp_str);
1308                 else if (match_element(ptr, "record"))
1309                 {
1310                     res->record = yaz_srw_get_record(o);
1311                     yaz_srw_record(o, ptr, res->record, &res->extra_record,
1312                                    client_data, ns_ucp_str);
1313                 }
1314                 else if (match_element(ptr, "diagnostics"))
1315                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1316                                         &res->num_diagnostics,
1317                                         client_data, ns_ucp_str);
1318             }
1319         }
1320         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateRequest"))
1321         {
1322         }
1323         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateResponse"))
1324         {
1325         }
1326         else
1327         {
1328             *p = 0;
1329             return -1;
1330         }
1331     }
1332     else if (o->direction == ODR_ENCODE)
1333     {
1334         Z_SRW_PDU **p = handler_data;
1335         xmlNsPtr ns_ucp, ns_srw;
1336
1337         if ((*p)->which == Z_SRW_update_request)
1338         {
1339             Z_SRW_updateRequest *req = (*p)->u.update_request;
1340             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "updateRequest", 0);
1341             ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1342             xmlSetNs(ptr, ns_ucp);
1343             ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1344
1345             add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1346             add_xsd_string(ptr, "action", req->operation);
1347             add_xsd_string(ptr, "recordIdentifier", req->recordId );
1348             if (req->recordVersions)
1349                 yaz_srw_versions( o, ptr, &req->recordVersions,
1350                                   &req->num_recordVersions,
1351                                   client_data, ns_ucp_str);
1352             if (req->record && req->record->recordData_len)
1353             {
1354                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1355                 xmlSetNs(rptr, ns_srw);
1356                 yaz_srw_record(o, rptr, req->record, &req->extra_record,
1357                                client_data, ns_ucp_str);
1358             }
1359             if (req->extraRequestData_len)
1360             {
1361                 add_XML_n(ptr, "extraRequestData",
1362                           req->extraRequestData_buf,
1363                           req->extraRequestData_len, ns_srw);
1364             }
1365             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1366             add_xsd_string(ptr, "database", req->database);
1367         }
1368         else if ((*p)->which == Z_SRW_update_response)
1369         {
1370             Z_SRW_updateResponse *res = (*p)->u.update_response;
1371             xmlNodePtr ptr = xmlNewChild(pptr, 0, (xmlChar *)
1372                                          "updateResponse", 0);
1373             ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1374             xmlSetNs(ptr, ns_ucp);
1375             ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1376
1377             add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1378             add_xsd_string(ptr, "operationStatus", res->operationStatus );
1379             add_xsd_string(ptr, "recordIdentifier", res->recordId );
1380             if (res->recordVersions)
1381                 yaz_srw_versions(o, ptr, &res->recordVersions,
1382                                  &res->num_recordVersions,
1383                                  client_data, ns_ucp_str);
1384             if (res->record && res->record->recordData_len)
1385             {
1386                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1387                 xmlSetNs(rptr, ns_srw);
1388                 yaz_srw_record(o, rptr, res->record, &res->extra_record,
1389                                client_data, ns_ucp_str);
1390             }
1391             if (res->num_diagnostics)
1392             {
1393                 xmlNsPtr ns_diag =
1394                     xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1,
1395                              BAD_CAST "diag" );
1396
1397                 xmlNodePtr rptr = xmlNewChild(ptr, ns_diag, BAD_CAST "diagnostics", 0);
1398                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1399                                     &res->num_diagnostics, client_data,
1400                                     ns_ucp_str);
1401             }
1402             if (res->extraResponseData_len)
1403                 add_XML_n(ptr, "extraResponseData",
1404                           res->extraResponseData_buf,
1405                           res->extraResponseData_len, ns_srw);
1406         }
1407         else
1408             return -1;
1409     }
1410     return 0;
1411 }
1412
1413 #endif
1414
1415
1416 /*
1417  * Local variables:
1418  * c-basic-offset: 4
1419  * c-file-style: "Stroustrup"
1420  * indent-tabs-mode: nil
1421  * End:
1422  * vim: shiftwidth=4 tabstop=8 expandtab
1423  */
1424