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         return "2.0";
 224     if (!strcmp(input_ver, "1.1"))
 225         return "1.1";
 226     if (!strncmp(input_ver, "1.", 2))
 227         return "1.2";
 228     if (!strncmp(input_ver, "2.", 2))
 229         return "2.0";
 230     return 0;
 231 }
 232
 233 static int yaz_srw_record(ODR o, xmlNodePtr pptr, Z_SRW_record *rec,
 234                           Z_SRW_extra_record **extra,
 235                           void *client_data)
 236 {
 237     if (o->direction == ODR_DECODE)
 238     {
 239         Z_SRW_extra_record ex;
 240
 241         char *spack = 0;
 242         xmlNodePtr ptr;
 243 #ifdef Z_SRW_packed
 244         rec->packing = 0;
 245 #endif
 246         rec->recordSchema = 0;
 247         rec->recordData_buf = 0;
 248         rec->recordData_len = 0;
 249         rec->recordPosition = 0;
 250         *extra = 0;
 251
 252         ex.extraRecordData_buf = 0;
 253         ex.extraRecordData_len = 0;
 254         ex.recordIdentifier = 0;
 255
 256         for (ptr = pptr->children; ptr; ptr = ptr->next)
 257         {
 258
 259             if (match_xsd_string(ptr, "recordSchema", o,
 260                                  &rec->recordSchema))
 261                 ;
 262             else if (match_xsd_string(ptr, "recordPacking", o, &spack))
 263                 ;  /* can't rely on it: in SRU 2.0 it's different semantics */
 264             else if (match_xsd_integer(ptr, "recordPosition", o,
 265                                        &rec->recordPosition))
 266                 ;
 267             else if (match_element(ptr, "recordData"))
 268             {
 269                 /* we assume XML packing, if any element nodes exist below
 270                    recordData. Unfortunately, in SRU 2.0 recordPacking
 271                    means something different */
 272                 xmlNode *p = ptr->children;
 273                 for (; p; p = p->next)
 274                     if (p->type == XML_ELEMENT_NODE)
 275                         break;
 276                 if (p)
 277                 {
 278                     match_xsd_XML_n2(
 279                         ptr, "recordData", o,
 280                         &rec->recordData_buf, &rec->recordData_len, 1);
 281                     rec->recordPacking = Z_SRW_recordPacking_XML;
 282                 }
 283                 else
 284                 {
 285                     match_xsd_string_n(
 286                         ptr, "recordData", o,
 287                         &rec->recordData_buf, &rec->recordData_len);
 288                     rec->recordPacking = Z_SRW_recordPacking_string;
 289                 }
 290             }
 291             else if (match_xsd_XML_n(ptr, "extraRecordData", o,
 292                                      &ex.extraRecordData_buf,
 293                                      &ex.extraRecordData_len) )
 294                 ;
 295             else
 296                 match_xsd_string(ptr, "recordIdentifier", o,
 297                                  &ex.recordIdentifier);
 298         }
 299         if (ex.extraRecordData_buf || ex.recordIdentifier)
 300         {
 301             *extra = (Z_SRW_extra_record *)
 302                 odr_malloc(o, sizeof(Z_SRW_extra_record));
 303             memcpy(*extra, &ex, sizeof(Z_SRW_extra_record));
 304         }
 305     }
 306     else if (o->direction == ODR_ENCODE)
 307     {
 308         xmlNodePtr ptr = pptr;
 309         int pack = rec->recordPacking;
 310         const char *spack = yaz_srw_pack_to_str(pack);
 311
 312         add_xsd_string(ptr, "recordSchema", rec->recordSchema);
 313         if (spack)
 314             add_xsd_string(ptr, "recordPacking", spack);
 315         switch (pack)
 316         {
 317         case Z_SRW_recordPacking_string:
 318             add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
 319                              rec->recordData_len);
 320             break;
 321         case Z_SRW_recordPacking_XML:
 322             add_XML_n(ptr, "recordData", rec->recordData_buf,
 323                       rec->recordData_len, 0);
 324             break;
 325         case Z_SRW_recordPacking_URL:
 326             add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
 327                              rec->recordData_len);
 328             break;
 329         }
 330         if (rec->recordPosition)
 331             add_xsd_integer(ptr, "recordPosition", rec->recordPosition );
 332         if (extra && *extra)
 333         {
 334             if ((*extra)->recordIdentifier)
 335                 add_xsd_string(ptr, "recordIdentifier",
 336                                (*extra)->recordIdentifier);
 337             if ((*extra)->extraRecordData_buf)
 338                 add_XML_n(ptr, "extraRecordData",
 339                           (*extra)->extraRecordData_buf,
 340                           (*extra)->extraRecordData_len, 0);
 341         }
 342     }
 343     return 0;
 344 }
 345
 346 static int yaz_srw_records(ODR o, xmlNodePtr pptr, Z_SRW_record **recs,
 347                            Z_SRW_extra_record ***extra,
 348                            int *num, void *client_data)
 349 {
 350     if (o->direction == ODR_DECODE)
 351     {
 352         int i;
 353         xmlNodePtr ptr;
 354         *num = 0;
 355         for (ptr = pptr->children; ptr; ptr = ptr->next)
 356         {
 357             if (ptr->type == XML_ELEMENT_NODE &&
 358                 !xmlStrcmp(ptr->name, BAD_CAST "record"))
 359                 (*num)++;
 360         }
 361         if (!*num)
 362             return 1;
 363         *recs = (Z_SRW_record *) odr_malloc(o, *num * sizeof(**recs));
 364         *extra = (Z_SRW_extra_record **) odr_malloc(o, *num * sizeof(**extra));
 365         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
 366         {
 367             if (ptr->type == XML_ELEMENT_NODE &&
 368                 !xmlStrcmp(ptr->name, BAD_CAST "record"))
 369             {
 370                 yaz_srw_record(o, ptr, *recs + i, *extra + i, client_data);
 371                 i++;
 372             }
 373         }
 374     }
 375     else if (o->direction == ODR_ENCODE)
 376     {
 377         int i;
 378         for (i = 0; i < *num; i++)
 379         {
 380             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "record",
 381                                           0);
 382             yaz_srw_record(o, rptr, (*recs)+i, (*extra ? *extra + i : 0),
 383                            client_data);
 384         }
 385     }
 386     return 0;
 387 }
 388
 389 static int yaz_srw_version(ODR o, xmlNodePtr pptr, Z_SRW_recordVersion *rec,
 390                            void *client_data, const char *ns)
 391 {
 392     if (o->direction == ODR_DECODE)
 393     {
 394         xmlNodePtr ptr;
 395         rec->versionType = 0;
 396         rec->versionValue = 0;
 397         for (ptr = pptr->children; ptr; ptr = ptr->next)
 398         {
 399
 400             if (match_xsd_string(ptr, "versionType", o,
 401                                  &rec->versionType))
 402                 ;
 403             else
 404                 match_xsd_string(ptr, "versionValue", o, &rec->versionValue);
 405         }
 406     }
 407     else if (o->direction == ODR_ENCODE)
 408     {
 409         xmlNodePtr ptr = pptr;
 410         add_xsd_string(ptr, "versionType", rec->versionType);
 411         add_xsd_string(ptr, "versionValue", rec->versionValue);
 412     }
 413     return 0;
 414 }
 415
 416 static int yaz_srw_versions(ODR o, xmlNodePtr pptr,
 417                             Z_SRW_recordVersion **vers,
 418                             int *num, void *client_data, const char *ns)
 419 {
 420     if (o->direction == ODR_DECODE)
 421     {
 422         int i;
 423         xmlNodePtr ptr;
 424         *num = 0;
 425         for (ptr = pptr->children; ptr; ptr = ptr->next)
 426         {
 427             if (ptr->type == XML_ELEMENT_NODE &&
 428                 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
 429                 (*num)++;
 430         }
 431         if (!*num)
 432             return 1;
 433         *vers = (Z_SRW_recordVersion *) odr_malloc(o, *num * sizeof(**vers));
 434         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
 435         {
 436             if (ptr->type == XML_ELEMENT_NODE &&
 437                 !xmlStrcmp(ptr->name, BAD_CAST "recordVersion"))
 438             {
 439                 yaz_srw_version(o, ptr, *vers + i, client_data, ns);
 440                 i++;
 441             }
 442         }
 443     }
 444     else if (o->direction == ODR_ENCODE)
 445     {
 446         int i;
 447         for (i = 0; i < *num; i++)
 448         {
 449             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "version",
 450                                           0);
 451             yaz_srw_version(o, rptr, (*vers)+i, client_data, ns);
 452         }
 453     }
 454     return 0;
 455 }
 456
 457 Z_FacetTerm *yaz_sru_proxy_get_facet_term_count(ODR odr, xmlNodePtr node)
 458 {
 459     Odr_int freq;
 460     xmlNodePtr child;
 461     WRBUF wrbuf = wrbuf_alloc();
 462     Z_FacetTerm *facet_term;
 463     const char *freq_string = yaz_element_attribute_value_get(
 464         node, "facetvalue", "est_representation");
 465     if (freq_string)
 466         freq = odr_atoi(freq_string);
 467     else
 468         freq = -1;
 469
 470     for (child = node->children; child ; child = child->next)
 471     {
 472         if (child->type == XML_TEXT_NODE)
 473             wrbuf_puts(wrbuf, (const char *) child->content);
 474     }
 475     facet_term = facet_term_create_cstr(odr, wrbuf_cstr(wrbuf), freq);
 476     wrbuf_destroy(wrbuf);
 477     return facet_term;
 478 }
 479
 480 static Z_FacetField *yaz_sru_proxy_decode_facet_field(ODR odr, xmlNodePtr ptr)
 481 {
 482     Z_AttributeList *list;
 483     Z_FacetField *facet_field;
 484     int num_terms = 0;
 485     int index = 0;
 486     xmlNodePtr node;
 487     /* USE attribute */
 488     const char* name = yaz_element_attribute_value_get(ptr, "facet", "code");
 489     yaz_log(YLOG_DEBUG, "sru-proxy facet type: %s", name);
 490
 491     list = yaz_use_attribute_create(odr, name);
 492     for (node = ptr->children; node; node = node->next) {
 493         if (match_element(node, "facetvalue"))
 494             num_terms++;
 495     }
 496     facet_field = facet_field_create(odr, list, num_terms);
 497     index = 0;
 498     for (node = ptr->children; node; node = node->next)
 499     {
 500         if (match_element(node, "facetvalue"))
 501         {
 502             facet_field_term_set(odr, facet_field,
 503                                  yaz_sru_proxy_get_facet_term_count(odr, node),
 504                                  index);
 505             index++;
 506         }
 507     }
 508     return facet_field;
 509 }
 510
 511 static int yaz_sru_proxy_decode_facets(ODR o, xmlNodePtr root,
 512                                        Z_FacetList **facetList)
 513 {
 514     xmlNodePtr ptr;
 515
 516     for (ptr = root->children; ptr; ptr = ptr->next)
 517     {
 518         if (match_element(ptr, "facets"))
 519         {
 520             xmlNodePtr node;
 521             Z_FacetList *facet_list;
 522             int num_facets = 0;
 523             for (node = ptr->children; node; node= node->next)
 524             {
 525                 if (node->type == XML_ELEMENT_NODE)
 526                     num_facets++;
 527             }
 528             facet_list = facet_list_create(o, num_facets);
 529             num_facets = 0;
 530             for (node = ptr->children; node; node= node->next)
 531             {
 532                 if (match_element(node, "facet"))
 533                 {
 534                     facet_list_field_set(
 535                         o, facet_list,
 536                         yaz_sru_proxy_decode_facet_field(o, node), num_facets);
 537                     num_facets++;
 538                 }
 539             }
 540             *facetList = facet_list;
 541             break;
 542         }
 543     }
 544     return 0;
 545 }
 546
 547
 548
 549 static int yaz_srw_decode_diagnostics(ODR o, xmlNodePtr pptr,
 550                                       Z_SRW_diagnostic **recs, int *num,
 551                                       void *client_data, const char *ns)
 552 {
 553     int i;
 554     xmlNodePtr ptr;
 555     *num = 0;
 556     for (ptr = pptr; ptr; ptr = ptr->next)
 557     {
 558         if (ptr->type == XML_ELEMENT_NODE &&
 559             !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
 560             (*num)++;
 561     }
 562     if (!*num)
 563         return 1;
 564     *recs = (Z_SRW_diagnostic *) odr_malloc(o, *num * sizeof(**recs));
 565     for (i = 0; i < *num; i++)
 566     {
 567         (*recs)[i].uri = 0;
 568         (*recs)[i].details = 0;
 569         (*recs)[i].message = 0;
 570     }
 571     for (i = 0, ptr = pptr; ptr; ptr = ptr->next)
 572     {
 573         if (ptr->type == XML_ELEMENT_NODE &&
 574             !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
 575         {
 576             xmlNodePtr rptr;
 577             (*recs)[i].uri = 0;
 578             (*recs)[i].details = 0;
 579             (*recs)[i].message = 0;
 580             for (rptr = ptr->children; rptr; rptr = rptr->next)
 581             {
 582                 if (match_xsd_string(rptr, "uri", o,
 583                                      &(*recs)[i].uri))
 584                     ;
 585                 else if (match_xsd_string(rptr, "details", o,
 586                                           &(*recs)[i].details))
 587                     ;
 588                 else
 589                     match_xsd_string(rptr, "message", o, &(*recs)[i].message);
 590             }
 591             i++;
 592         }
 593     }
 594     return 0;
 595 }
 596
 597 int sru_decode_surrogate_diagnostics(const char *buf, size_t len,
 598                                      Z_SRW_diagnostic **diag,
 599                                      int *num, ODR odr)
 600 {
 601     int ret = 0;
 602     xmlDocPtr doc = xmlParseMemory(buf, len);
 603     if (doc)
 604     {
 605         xmlNodePtr ptr = xmlDocGetRootElement(doc);
 606         while (ptr && ptr->type != XML_ELEMENT_NODE)
 607             ptr = ptr->next;
 608         if (ptr && ptr->ns
 609             && !xmlStrcmp(ptr->ns->href,
 610                           BAD_CAST "http://www.loc.gov/zing/srw/diagnostic/"))
 611         {
 612             ret = yaz_srw_decode_diagnostics(odr, ptr, diag, num, 0, 0);
 613         }
 614         xmlFreeDoc(doc);
 615     }
 616     return ret;
 617 }
 618
 619 static int yaz_srw_diagnostics(ODR o, xmlNodePtr pptr, Z_SRW_diagnostic **recs,
 620                                int *num, void *client_data, const char *ns)
 621 {
 622     if (o->direction == ODR_DECODE)
 623     {
 624         return yaz_srw_decode_diagnostics(o, pptr->children, recs, num, client_data, ns);
 625     }
 626     else if (o->direction == ODR_ENCODE)
 627     {
 628         int i;
 629         xmlNsPtr ns_diag =
 630             xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1, BAD_CAST "diag" );
 631         for (i = 0; i < *num; i++)
 632         {
 633             const char *std_diag = "info:srw/diagnostic/1/";
 634             const char *ucp_diag = "info:srw/diagnostic/12/";
 635             xmlNodePtr rptr = xmlNewChild(pptr, ns_diag,
 636                                           BAD_CAST "diagnostic", 0);
 637             add_xsd_string(rptr, "uri", (*recs)[i].uri);
 638             if ((*recs)[i].message)
 639                 add_xsd_string(rptr, "message", (*recs)[i].message);
 640             else if ((*recs)[i].uri )
 641             {
 642                 if (!strncmp((*recs)[i].uri, std_diag, strlen(std_diag)))
 643                 {
 644                     int no = atoi((*recs)[i].uri + strlen(std_diag));
 645                     const char *message = yaz_diag_srw_str(no);
 646                     if (message)
 647                         add_xsd_string(rptr, "message", message);
 648                 }
 649                 else if (!strncmp((*recs)[i].uri, ucp_diag, strlen(ucp_diag)))
 650                 {
 651                     int no = atoi((*recs)[i].uri + strlen(ucp_diag));
 652                     const char *message = yaz_diag_sru_update_str(no);
 653                     if (message)
 654                         add_xsd_string(rptr, "message", message);
 655                 }
 656             }
 657             add_xsd_string(rptr, "details", (*recs)[i].details);
 658         }
 659     }
 660     return 0;
 661 }
 662
 663 static int yaz_srw_term(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm *term,
 664                         void *client_data, const char *ns)
 665 {
 666     if (o->direction == ODR_DECODE)
 667     {
 668         xmlNodePtr ptr;
 669         term->value = 0;
 670         term->numberOfRecords = 0;
 671         term->displayTerm = 0;
 672         term->whereInList = 0;
 673         for (ptr = pptr->children; ptr; ptr = ptr->next)
 674         {
 675             if (match_xsd_string(ptr, "value", o,  &term->value))
 676                 ;
 677             else if (match_xsd_integer(ptr, "numberOfRecords", o,
 678                                        &term->numberOfRecords))
 679                 ;
 680             else if (match_xsd_string(ptr, "displayTerm", o,
 681                                       &term->displayTerm))
 682                 ;
 683             else
 684                 match_xsd_string(ptr, "whereInList", o, &term->whereInList);
 685         }
 686     }
 687     else if (o->direction == ODR_ENCODE)
 688     {
 689         xmlNodePtr ptr = pptr;
 690         add_xsd_string(ptr, "value", term->value);
 691         add_xsd_integer(ptr, "numberOfRecords", term->numberOfRecords);
 692         add_xsd_string(ptr, "displayTerm", term->displayTerm);
 693         add_xsd_string(ptr, "whereInList", term->whereInList);
 694     }
 695     return 0;
 696 }
 697
 698 static int yaz_srw_terms(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm **terms,
 699                          int *num, void *client_data, const char *ns)
 700 {
 701     if (o->direction == ODR_DECODE)
 702     {
 703         int i;
 704         xmlNodePtr ptr;
 705         *num = 0;
 706         for (ptr = pptr->children; ptr; ptr = ptr->next)
 707         {
 708             if (ptr->type == XML_ELEMENT_NODE &&
 709                 !xmlStrcmp(ptr->name, BAD_CAST "term"))
 710                 (*num)++;
 711         }
 712         if (!*num)
 713             return 1;
 714         *terms = (Z_SRW_scanTerm *) odr_malloc(o, *num * sizeof(**terms));
 715         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
 716         {
 717             if (ptr->type == XML_ELEMENT_NODE &&
 718                 !xmlStrcmp(ptr->name, BAD_CAST "term"))
 719                 yaz_srw_term(o, ptr, (*terms)+i, client_data, ns);
 720         }
 721     }
 722     else if (o->direction == ODR_ENCODE)
 723     {
 724         int i;
 725         for (i = 0; i < *num; i++)
 726         {
 727             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "term", 0);
 728             yaz_srw_term(o, rptr, (*terms)+i, client_data, ns);
 729         }
 730     }
 731     return 0;
 732 }
 733
 734 int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
 735                   void *client_data, const char *ns)
 736 {
 737     xmlNodePtr pptr = (xmlNodePtr) vptr;
 738     if (o->direction == ODR_DECODE)
 739     {
 740         Z_SRW_PDU **p = handler_data;
 741         xmlNodePtr method = pptr->children;
 742         char *neg_version;
 743
 744         while (method && method->type == XML_TEXT_NODE)
 745             method = method->next;
 746
 747         if (!method)
 748             return -1;
 749         if (method->type != XML_ELEMENT_NODE)
 750             return -1;
 751
 752         *p = yaz_srw_get_core_v_2_0(o);
 753
 754         if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveRequest"))
 755         {
 756             xmlNodePtr ptr = method->children;
 757             Z_SRW_searchRetrieveRequest *req;
 758             char *recordPacking = 0;
 759             char *recordXMLEscaping = 0;
 760
 761             (*p)->which = Z_SRW_searchRetrieve_request;
 762             req = (*p)->u.request = (Z_SRW_searchRetrieveRequest *)
 763                 odr_malloc(o, sizeof(*req));
 764             req->queryType = "cql";
 765             req->query = 0;
 766             req->sort_type = Z_SRW_sort_type_none;
 767             req->sort.none = 0;
 768             req->startRecord = 0;
 769             req->maximumRecords = 0;
 770             req->recordSchema = 0;
 771             req->recordPacking = 0;
 772             req->packing = 0;
 773             req->recordXPath = 0;
 774             req->resultSetTTL = 0;
 775             req->stylesheet = 0;
 776             req->database = 0;
 777
 778             for (; ptr; ptr = ptr->next)
 779             {
 780                 if (match_xsd_string(ptr, "version", o,
 781                                      &(*p)->srw_version))
 782                     ;
 783                 else if (match_xsd_string(ptr, "queryType", o,
 784                                           &req->queryType))
 785                     ;
 786                 else if (match_xsd_string(ptr, "query", o,
 787                                           &req->query))
 788                     ;
 789                 else if (match_xsd_string(ptr, "pQuery", o,
 790                                           &req->query))
 791                     req->queryType = "pqf";
 792                 else if (match_xsd_string(ptr, "xQuery", o,
 793                                           &req->query))
 794                     req->queryType = "xcql";
 795                 else if (match_xsd_integer(ptr, "startRecord", o,
 796                                            &req->startRecord))
 797                     ;
 798                 else if (match_xsd_integer(ptr, "maximumRecords", o,
 799                                            &req->maximumRecords))
 800                     ;
 801                 else if (match_xsd_string(ptr, "recordPacking", o,
 802                                           &recordPacking))
 803                     ;
 804                 else if (match_xsd_string(ptr, "recordXMLEscaping", o,
 805                                           &recordXMLEscaping))
 806                     ;
 807                 else if (match_xsd_string(ptr, "recordSchema", o,
 808                                           &req->recordSchema))
 809                     ;
 810                 else if (match_xsd_string(ptr, "recordXPath", o,
 811                                           &req->recordXPath))
 812                     ;
 813                 else if (match_xsd_integer(ptr, "resultSetTTL", o,
 814                                            &req->resultSetTTL))
 815                     ;
 816                 else if (match_xsd_string(ptr, "sortKeys", o,
 817                                           &req->sort.sortKeys))
 818                     req->sort_type = Z_SRW_sort_type_sort;
 819                 else if (match_xsd_string(ptr, "stylesheet", o,
 820                                           &req->stylesheet))
 821                     ;
 822                 else
 823                     match_xsd_string(ptr, "database", o, &req->database);
 824             }
 825             if (!req->query)
 826             {
 827                 /* should put proper diagnostic here */
 828                 return -1;
 829             }
 830             if (!strcmp((*p)->srw_version, "2.0"))
 831             {
 832                 req->recordPacking = recordXMLEscaping;
 833                 req->packing = recordPacking;
 834             }
 835             else
 836             {
 837                 req->recordPacking = recordPacking;
 838             }
 839         }
 840         else if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveResponse"))
 841         {
 842             xmlNodePtr ptr = method->children;
 843             Z_SRW_searchRetrieveResponse *res;
 844
 845             (*p)->which = Z_SRW_searchRetrieve_response;
 846             res = (*p)->u.response = (Z_SRW_searchRetrieveResponse *)
 847                 odr_malloc(o, sizeof(*res));
 848
 849             res->numberOfRecords = 0;
 850             res->resultSetId = 0;
 851             res->resultSetIdleTime = 0;
 852             res->records = 0;
 853             res->num_records = 0;
 854             res->diagnostics = 0;
 855             res->num_diagnostics = 0;
 856             res->nextRecordPosition = 0;
 857             res->facetList = 0;
 858             res->suggestions = 0;
 859
 860             for (; ptr; ptr = ptr->next)
 861             {
 862                 if (match_xsd_string(ptr, "version", o,
 863                                      &(*p)->srw_version))
 864                     ;
 865                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 866                                          &(*p)->extraResponseData_buf,
 867                                          &(*p)->extraResponseData_len))
 868                     ;
 869                 else if (match_xsd_integer(ptr, "numberOfRecords", o,
 870                                            &res->numberOfRecords))
 871                     ;
 872                 else if (match_xsd_string(ptr, "resultSetId", o,
 873                                           &res->resultSetId))
 874                     ;
 875                 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
 876                                            &res->resultSetIdleTime))
 877                     ;
 878                 else if (match_element(ptr, "records"))
 879                     yaz_srw_records(o, ptr, &res->records,
 880                                     &res->extra_records,
 881                                     &res->num_records, client_data);
 882                 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
 883                                            &res->nextRecordPosition))
 884                     ;
 885                 else if (match_element(ptr, "diagnostics"))
 886                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 887                                         &res->num_diagnostics,
 888                                         client_data, ns);
 889                 else if (match_element(ptr, "facet_analysis"))
 890                     yaz_sru_proxy_decode_facets(o, ptr, &res->facetList);
 891             }
 892         }
 893         else if (!xmlStrcmp(method->name, BAD_CAST "explainRequest"))
 894         {
 895             Z_SRW_explainRequest *req;
 896             xmlNodePtr ptr = method->children;
 897
 898             (*p)->which = Z_SRW_explain_request;
 899             req = (*p)->u.explain_request = (Z_SRW_explainRequest *)
 900                 odr_malloc(o, sizeof(*req));
 901             req->recordPacking = 0;
 902             req->packing = 0;
 903             req->database = 0;
 904             req->stylesheet = 0;
 905             for (; ptr; ptr = ptr->next)
 906             {
 907                 if (match_xsd_string(ptr, "version", o,
 908                                      &(*p)->srw_version))
 909                     ;
 910                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 911                                          &(*p)->extraResponseData_buf,
 912                                          &(*p)->extraResponseData_len))
 913                     ;
 914                 else if (match_xsd_string(ptr, "stylesheet", o,
 915                                           &req->stylesheet))
 916                     ;
 917                 else if (match_xsd_string(ptr, "recordPacking", o,
 918                                           &req->recordPacking))
 919                     ;
 920                 else
 921                     match_xsd_string(ptr, "database", o, &req->database);
 922             }
 923         }
 924         else if (!xmlStrcmp(method->name, BAD_CAST "explainResponse"))
 925         {
 926             Z_SRW_explainResponse *res;
 927             xmlNodePtr ptr = method->children;
 928
 929             (*p)->which = Z_SRW_explain_response;
 930             res = (*p)->u.explain_response = (Z_SRW_explainResponse*)
 931                 odr_malloc(o, sizeof(*res));
 932             res->diagnostics = 0;
 933             res->num_diagnostics = 0;
 934             res->record.recordSchema = 0;
 935             res->record.recordData_buf = 0;
 936             res->record.recordData_len = 0;
 937             res->record.recordPosition = 0;
 938
 939             for (; ptr; ptr = ptr->next)
 940             {
 941                 if (match_xsd_string(ptr, "version", o,
 942                                      &(*p)->srw_version))
 943                     ;
 944                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 945                                          &(*p)->extraResponseData_buf,
 946                                          &(*p)->extraResponseData_len))
 947                     ;
 948                 else if (match_element(ptr, "record"))
 949                     yaz_srw_record(o, ptr, &res->record, &res->extra_record,
 950                                    client_data);
 951                 else if (match_element(ptr, "diagnostics"))
 952                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 953                                         &res->num_diagnostics,
 954                                         client_data, ns);
 955                 ;
 956             }
 957         }
 958         else if (!xmlStrcmp(method->name, BAD_CAST "scanRequest"))
 959         {
 960             Z_SRW_scanRequest *req;
 961             xmlNodePtr ptr = method->children;
 962
 963             (*p)->which = Z_SRW_scan_request;
 964             req = (*p)->u.scan_request = (Z_SRW_scanRequest *)
 965                 odr_malloc(o, sizeof(*req));
 966             req->queryType = "cql";
 967             req->scanClause = 0;
 968             req->responsePosition = 0;
 969             req->maximumTerms = 0;
 970             req->stylesheet = 0;
 971             req->database = 0;
 972
 973             for (; ptr; ptr = ptr->next)
 974             {
 975                 if (match_xsd_string(ptr, "version", o,
 976                                      &(*p)->srw_version))
 977                     ;
 978                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 979                                          &(*p)->extraResponseData_buf,
 980                                          &(*p)->extraResponseData_len))
 981                     ;
 982                 else if (match_xsd_string(ptr, "scanClause", o,
 983                                           &req->scanClause))
 984                     ;
 985                 else if (match_xsd_string(ptr, "pScanClause", o,
 986                                           &req->scanClause))
 987                 {
 988                     req->queryType = "pqf";
 989                 }
 990                 else if (match_xsd_integer(ptr, "responsePosition", o,
 991                                            &req->responsePosition))
 992                     ;
 993                 else if (match_xsd_integer(ptr, "maximumTerms", o,
 994                                            &req->maximumTerms))
 995                     ;
 996                 else if (match_xsd_string(ptr, "stylesheet", o,
 997                                           &req->stylesheet))
 998                     ;
 999                 else
1000                     match_xsd_string(ptr, "database", o, &req->database);
1001             }
1002         }
1003         else if (!xmlStrcmp(method->name, BAD_CAST "scanResponse"))
1004         {
1005             Z_SRW_scanResponse *res;
1006             xmlNodePtr ptr = method->children;
1007
1008             (*p)->which = Z_SRW_scan_response;
1009             res = (*p)->u.scan_response = (Z_SRW_scanResponse *)
1010                 odr_malloc(o, sizeof(*res));
1011             res->terms = 0;
1012             res->num_terms = 0;
1013             res->diagnostics = 0;
1014             res->num_diagnostics = 0;
1015
1016             for (; ptr; ptr = ptr->next)
1017             {
1018                 if (match_xsd_string(ptr, "version", o,
1019                                      &(*p)->srw_version))
1020                     ;
1021                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
1022                                          &(*p)->extraResponseData_buf,
1023                                          &(*p)->extraResponseData_len))
1024                     ;
1025                 else if (match_element(ptr, "terms"))
1026                     yaz_srw_terms(o, ptr, &res->terms,
1027                                   &res->num_terms, client_data,
1028                                   ns);
1029                 else if (match_element(ptr, "diagnostics"))
1030                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1031                                         &res->num_diagnostics,
1032                                         client_data, ns);
1033             }
1034         }
1035         else
1036         {
1037             *p = 0;
1038             return -1;
1039         }
1040         neg_version = yaz_negotiate_sru_version((*p)->srw_version);
1041         if (neg_version)
1042             (*p)->srw_version = neg_version;
1043     }
1044     else if (o->direction == ODR_ENCODE)
1045     {
1046         Z_SRW_PDU **p = handler_data;
1047         xmlNsPtr ns_srw;
1048         xmlNodePtr ptr = 0;
1049         int version2 = !(*p)->srw_version ||
1050             strcmp((*p)->srw_version, "2.") > 0;
1051         if ((*p)->which == Z_SRW_searchRetrieve_request)
1052         {
1053             Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
1054             const char *queryType = req->queryType;
1055             if (version2)
1056                 ns = "http://docs.oasis-open.org/ns/search-ws/sruRequest";
1057             ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveRequest", 0);
1058             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1059             xmlSetNs(ptr, ns_srw);
1060
1061             if (!version2)
1062                 add_xsd_string(ptr, "version", (*p)->srw_version);
1063
1064             if (version2)
1065             {
1066                 if (queryType)
1067                     add_xsd_string(ptr, "queryType", queryType);
1068                 add_xsd_string(ptr, "query", req->query);
1069             }
1070             else
1071             {
1072                 if (!queryType || !strcmp(queryType, "cql"))
1073                     add_xsd_string(ptr, "query", req->query);
1074                 else if (!strcmp(queryType, "xcql"))
1075                     add_xsd_string(ptr, "xQuery", req->query);
1076                 else if (!strcmp(queryType, "pqf"))
1077                     add_xsd_string(ptr, "pQuery", req->query);
1078             }
1079             add_xsd_integer(ptr, "startRecord", req->startRecord);
1080             add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
1081             if (version2)
1082             {
1083                 add_xsd_string(ptr, "recordXMLEscaping", req->recordPacking);
1084                 add_xsd_string(ptr, "recordPacking", req->packing);
1085             }
1086             else
1087                 add_xsd_string(ptr, "recordPacking", req->recordPacking);
1088             add_xsd_string(ptr, "recordSchema", req->recordSchema);
1089             add_xsd_string(ptr, "recordXPath", req->recordXPath);
1090             add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
1091             switch (req->sort_type)
1092             {
1093             case Z_SRW_sort_type_none:
1094                 break;
1095             case Z_SRW_sort_type_sort:
1096                 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
1097                 break;
1098             case Z_SRW_sort_type_xSort:
1099                 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
1100                 break;
1101             }
1102             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1103             add_xsd_string(ptr, "database", req->database);
1104         }
1105         else if ((*p)->which == Z_SRW_searchRetrieve_response)
1106         {
1107             Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
1108             if (version2)
1109                 ns = "http://docs.oasis-open.org/ns/search-ws/sruResponse";
1110             ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveResponse", 0);
1111             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1112             xmlSetNs(ptr, ns_srw);
1113
1114             if (!version2)
1115                 add_xsd_string(ptr, "version", (*p)->srw_version);
1116             add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
1117             add_xsd_string(ptr, "resultSetId", res->resultSetId);
1118             add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
1119             if (res->num_records)
1120             {
1121                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "records", 0);
1122                 yaz_srw_records(o, rptr, &res->records, &res->extra_records,
1123                                 &res->num_records,
1124                                 client_data);
1125             }
1126             add_xsd_integer(ptr, "nextRecordPosition",
1127                             res->nextRecordPosition);
1128             if (res->num_diagnostics)
1129             {
1130                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1131                                               0);
1132                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1133                                     &res->num_diagnostics, client_data, ns);
1134             }
1135         }
1136         else if ((*p)->which == Z_SRW_explain_request)
1137         {
1138             Z_SRW_explainRequest *req = (*p)->u.explain_request;
1139             ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest", 0);
1140             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1141             xmlSetNs(ptr, ns_srw);
1142
1143             if (!version2)
1144                 add_xsd_string(ptr, "version", (*p)->srw_version);
1145             if (version2)
1146             {
1147                 add_xsd_string(ptr, "recordXMLEscaping", req->recordPacking);
1148                 add_xsd_string(ptr, "recordPacking", req->packing);
1149             }
1150             else
1151                 add_xsd_string(ptr, "recordPacking", req->recordPacking);
1152             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1153             add_xsd_string(ptr, "database", req->database);
1154         }
1155         else if ((*p)->which == Z_SRW_explain_response)
1156         {
1157             Z_SRW_explainResponse *res = (*p)->u.explain_response;
1158             ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse", 0);
1159             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1160             xmlSetNs(ptr, ns_srw);
1161
1162             add_xsd_string(ptr, "version", (*p)->srw_version);
1163             if (1)
1164             {
1165                 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1166                 yaz_srw_record(o, ptr1, &res->record, &res->extra_record,
1167                                client_data);
1168             }
1169             if (res->num_diagnostics)
1170             {
1171                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1172                                               0);
1173                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1174                                     &res->num_diagnostics, client_data, ns);
1175             }
1176         }
1177         else if ((*p)->which == Z_SRW_scan_request)
1178         {
1179             Z_SRW_scanRequest *req = (*p)->u.scan_request;
1180             const char *queryType = req->queryType;
1181             if (version2)
1182                 ns = "http://docs.oasis-open.org/ns/search-ws/scan";
1183             ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
1184             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1185             xmlSetNs(ptr, ns_srw);
1186
1187             if (!version2)
1188                 add_xsd_string(ptr, "version", (*p)->srw_version);
1189
1190             if (strcmp((*p)->srw_version, "2.") > 0)
1191             {
1192                 if (queryType && strcmp(queryType, "cql"))
1193                     add_xsd_string(ptr, "queryType", queryType);
1194                 add_xsd_string(ptr, "scanClause", req->scanClause);
1195             }
1196             else
1197             {
1198                 if (!queryType || !strcmp(queryType, "cql"))
1199                     add_xsd_string(ptr, "scanClause", req->scanClause);
1200                 else if (!strcmp(queryType, "pqf"))
1201                     add_xsd_string(ptr, "pScanClause", req->scanClause);
1202             }
1203             add_xsd_integer(ptr, "responsePosition", req->responsePosition);
1204             add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
1205             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1206             add_xsd_string(ptr, "database", req->database);
1207         }
1208         else if ((*p)->which == Z_SRW_scan_response)
1209         {
1210             Z_SRW_scanResponse *res = (*p)->u.scan_response;
1211             if (version2)
1212                 ns = "http://docs.oasis-open.org/ns/search-ws/scan";
1213             ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
1214             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1215             xmlSetNs(ptr, ns_srw);
1216
1217             if (!version2)
1218                 add_xsd_string(ptr, "version", (*p)->srw_version);
1219
1220             if (res->num_terms)
1221             {
1222                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "terms", 0);
1223                 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
1224                               client_data, ns);
1225             }
1226             if (res->num_diagnostics)
1227             {
1228                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1229                                               0);
1230                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1231                                     &res->num_diagnostics, client_data, ns);
1232             }
1233         }
1234         else
1235             return -1;
1236         if (ptr && (*p)->extraResponseData_len)
1237             add_XML_n(ptr, "extraResponseData",
1238                       (*p)->extraResponseData_buf,
1239                       (*p)->extraResponseData_len, ns_srw);
1240
1241
1242     }
1243     return 0;
1244 }
1245
1246 int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
1247                   void *client_data, const char *ns_ucp_str)
1248 {
1249     xmlNodePtr pptr = (xmlNodePtr) vptr;
1250     const char *ns_srw_str = YAZ_XMLNS_SRU_v1_1;
1251     if (o->direction == ODR_DECODE)
1252     {
1253         Z_SRW_PDU **p = handler_data;
1254         xmlNodePtr method = pptr->children;
1255
1256         while (method && method->type == XML_TEXT_NODE)
1257             method = method->next;
1258
1259         if (!method)
1260             return -1;
1261         if (method->type != XML_ELEMENT_NODE)
1262             return -1;
1263
1264         *p = yaz_srw_get_core_v_2_0(o);
1265
1266         if (!xmlStrcmp(method->name, BAD_CAST "updateRequest"))
1267         {
1268             xmlNodePtr ptr = method->children;
1269             Z_SRW_updateRequest *req;
1270             char *oper = 0;
1271
1272             (*p)->which = Z_SRW_update_request;
1273             req = (*p)->u.update_request = (Z_SRW_updateRequest *)
1274                 odr_malloc(o, sizeof(*req));
1275             req->database = 0;
1276             req->operation = 0;
1277             req->recordId = 0;
1278             req->recordVersions = 0;
1279             req->num_recordVersions = 0;
1280             req->record = 0;
1281             req->extra_record = 0;
1282             req->extraRequestData_buf = 0;
1283             req->extraRequestData_len = 0;
1284             req->stylesheet = 0;
1285
1286             for (; ptr; ptr = ptr->next)
1287             {
1288                 if (match_xsd_string(ptr, "version", o,
1289                                      &(*p)->srw_version))
1290                     ;
1291                 else if (match_xsd_string(ptr, "action", o,
1292                                           &oper)){
1293                     if (oper)
1294                     {
1295                         if (!strcmp(oper, "info:srw/action/1/delete"))
1296                             req->operation = "delete";
1297                         else if (!strcmp(oper,"info:srw/action/1/replace" ))
1298                             req->operation = "replace";
1299                         else if (!strcmp(oper, "info:srw/action/1/create"))
1300                             req->operation = "insert";
1301                     }
1302                 }
1303                 else if (match_xsd_string(ptr, "recordIdentifier", o,
1304                                           &req->recordId))
1305                     ;
1306                 else if (match_element(ptr, "recordVersions" ) )
1307                     yaz_srw_versions( o, ptr, &req->recordVersions,
1308                                       &req->num_recordVersions, client_data,
1309                                       ns_ucp_str);
1310                 else if (match_element(ptr, "record"))
1311                 {
1312                     req->record = yaz_srw_get_record(o);
1313                     yaz_srw_record(o, ptr, req->record, &req->extra_record,
1314                                    client_data);
1315                 }
1316                 else if (match_xsd_string(ptr, "stylesheet", o,
1317                                           &req->stylesheet))
1318                     ;
1319                 else
1320                     match_xsd_string(ptr, "database", o, &req->database);
1321             }
1322         }
1323         else if (!xmlStrcmp(method->name, BAD_CAST "updateResponse"))
1324         {
1325             xmlNodePtr ptr = method->children;
1326             Z_SRW_updateResponse *res;
1327
1328             (*p)->which = Z_SRW_update_response;
1329             res = (*p)->u.update_response = (Z_SRW_updateResponse *)
1330                 odr_malloc(o, sizeof(*res));
1331
1332             res->operationStatus = 0;
1333             res->recordId = 0;
1334             res->recordVersions = 0;
1335             res->num_recordVersions = 0;
1336             res->diagnostics = 0;
1337             res->num_diagnostics = 0;
1338             res->record = 0;
1339             res->extra_record = 0;
1340             res->extraResponseData_buf = 0;
1341             res->extraResponseData_len = 0;
1342
1343             for (; ptr; ptr = ptr->next)
1344             {
1345                 if (match_xsd_string(ptr, "version", o,
1346                                      &(*p)->srw_version))
1347                     ;
1348                 else if (match_xsd_string(ptr, "operationStatus", o,
1349                                           &res->operationStatus ))
1350                     ;
1351                 else if (match_xsd_string(ptr, "recordIdentifier", o,
1352                                           &res->recordId))
1353                     ;
1354                 else if (match_element(ptr, "recordVersions" ))
1355                     yaz_srw_versions(o, ptr, &res->recordVersions,
1356                                      &res->num_recordVersions,
1357                                      client_data, ns_ucp_str);
1358                 else if (match_element(ptr, "record"))
1359                 {
1360                     res->record = yaz_srw_get_record(o);
1361                     yaz_srw_record(o, ptr, res->record, &res->extra_record,
1362                                    client_data);
1363                 }
1364                 else if (match_element(ptr, "diagnostics"))
1365                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1366                                         &res->num_diagnostics,
1367                                         client_data, ns_ucp_str);
1368             }
1369         }
1370         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateRequest"))
1371         {
1372         }
1373         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateResponse"))
1374         {
1375         }
1376         else
1377         {
1378             *p = 0;
1379             return -1;
1380         }
1381     }
1382     else if (o->direction == ODR_ENCODE)
1383     {
1384         Z_SRW_PDU **p = handler_data;
1385         xmlNsPtr ns_ucp, ns_srw;
1386
1387         if ((*p)->which == Z_SRW_update_request)
1388         {
1389             Z_SRW_updateRequest *req = (*p)->u.update_request;
1390             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "updateRequest", 0);
1391             ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1392             xmlSetNs(ptr, ns_ucp);
1393             ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1394
1395             add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1396             add_xsd_string(ptr, "action", req->operation);
1397             add_xsd_string(ptr, "recordIdentifier", req->recordId );
1398             if (req->recordVersions)
1399                 yaz_srw_versions( o, ptr, &req->recordVersions,
1400                                   &req->num_recordVersions,
1401                                   client_data, ns_ucp_str);
1402             if (req->record && req->record->recordData_len)
1403             {
1404                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1405                 xmlSetNs(rptr, ns_srw);
1406                 yaz_srw_record(o, rptr, req->record, &req->extra_record,
1407                                client_data);
1408             }
1409             if (req->extraRequestData_len)
1410             {
1411                 add_XML_n(ptr, "extraRequestData",
1412                           req->extraRequestData_buf,
1413                           req->extraRequestData_len, ns_srw);
1414             }
1415             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1416             add_xsd_string(ptr, "database", req->database);
1417         }
1418         else if ((*p)->which == Z_SRW_update_response)
1419         {
1420             Z_SRW_updateResponse *res = (*p)->u.update_response;
1421             xmlNodePtr ptr = xmlNewChild(pptr, 0, (xmlChar *)
1422                                          "updateResponse", 0);
1423             ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1424             xmlSetNs(ptr, ns_ucp);
1425             ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1426
1427             add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1428             add_xsd_string(ptr, "operationStatus", res->operationStatus );
1429             add_xsd_string(ptr, "recordIdentifier", res->recordId );
1430             if (res->recordVersions)
1431                 yaz_srw_versions(o, ptr, &res->recordVersions,
1432                                  &res->num_recordVersions,
1433                                  client_data, ns_ucp_str);
1434             if (res->record && res->record->recordData_len)
1435             {
1436                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1437                 xmlSetNs(rptr, ns_srw);
1438                 yaz_srw_record(o, rptr, res->record, &res->extra_record,
1439                                client_data);
1440             }
1441             if (res->num_diagnostics)
1442             {
1443                 xmlNsPtr ns_diag =
1444                     xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1,
1445                              BAD_CAST "diag" );
1446
1447                 xmlNodePtr rptr = xmlNewChild(ptr, ns_diag, BAD_CAST "diagnostics", 0);
1448                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1449                                     &res->num_diagnostics, client_data,
1450                                     ns_ucp_str);
1451             }
1452             if (res->extraResponseData_len)
1453                 add_XML_n(ptr, "extraResponseData",
1454                           res->extraResponseData_buf,
1455                           res->extraResponseData_len, ns_srw);
1456         }
1457         else
1458             return -1;
1459     }
1460     return 0;
1461 }
1462
1463 #endif
1464
1465
1466 /*
1467  * Local variables:
1468  * c-basic-offset: 4
1469  * c-file-style: "Stroustrup"
1470  * indent-tabs-mode: nil
1471  * End:
1472  * vim: shiftwidth=4 tabstop=8 expandtab
1473  */
1474