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
 759             (*p)->which = Z_SRW_searchRetrieve_request;
 760             req = (*p)->u.request = (Z_SRW_searchRetrieveRequest *)
 761                 odr_malloc(o, sizeof(*req));
 762             req->queryType = "cql";
 763             req->query = 0;
 764             req->sort_type = Z_SRW_sort_type_none;
 765             req->sort.none = 0;
 766             req->startRecord = 0;
 767             req->maximumRecords = 0;
 768             req->recordSchema = 0;
 769             req->recordPacking = 0;
 770             req->packing = 0;
 771             req->recordXPath = 0;
 772             req->resultSetTTL = 0;
 773             req->stylesheet = 0;
 774             req->database = 0;
 775
 776             for (; ptr; ptr = ptr->next)
 777             {
 778                 if (match_xsd_string(ptr, "version", o,
 779                                      &(*p)->srw_version))
 780                     ;
 781                 else if (match_xsd_string(ptr, "queryType", o,
 782                                           &req->queryType))
 783                     ;
 784                 else if (match_xsd_string(ptr, "query", o,
 785                                           &req->query))
 786                     ;
 787                 else if (match_xsd_string(ptr, "pQuery", o,
 788                                           &req->query))
 789                     req->queryType = "pqf";
 790                 else if (match_xsd_string(ptr, "xQuery", o,
 791                                           &req->query))
 792                     req->queryType = "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)
 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);
 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->packing = 0;
 889             req->database = 0;
 890             req->stylesheet = 0;
 891             for (; ptr; ptr = ptr->next)
 892             {
 893                 if (match_xsd_string(ptr, "version", o,
 894                                      &(*p)->srw_version))
 895                     ;
 896                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 897                                          &(*p)->extraResponseData_buf,
 898                                          &(*p)->extraResponseData_len))
 899                     ;
 900                 else if (match_xsd_string(ptr, "stylesheet", o,
 901                                           &req->stylesheet))
 902                     ;
 903                 else if (match_xsd_string(ptr, "recordPacking", o,
 904                                           &req->recordPacking))
 905                     ;
 906                 else
 907                     match_xsd_string(ptr, "database", o, &req->database);
 908             }
 909         }
 910         else if (!xmlStrcmp(method->name, BAD_CAST "explainResponse"))
 911         {
 912             Z_SRW_explainResponse *res;
 913             xmlNodePtr ptr = method->children;
 914
 915             (*p)->which = Z_SRW_explain_response;
 916             res = (*p)->u.explain_response = (Z_SRW_explainResponse*)
 917                 odr_malloc(o, sizeof(*res));
 918             res->diagnostics = 0;
 919             res->num_diagnostics = 0;
 920             res->record.recordSchema = 0;
 921             res->record.recordData_buf = 0;
 922             res->record.recordData_len = 0;
 923             res->record.recordPosition = 0;
 924
 925             for (; ptr; ptr = ptr->next)
 926             {
 927                 if (match_xsd_string(ptr, "version", o,
 928                                      &(*p)->srw_version))
 929                     ;
 930                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 931                                          &(*p)->extraResponseData_buf,
 932                                          &(*p)->extraResponseData_len))
 933                     ;
 934                 else if (match_element(ptr, "record"))
 935                     yaz_srw_record(o, ptr, &res->record, &res->extra_record,
 936                                    client_data);
 937                 else if (match_element(ptr, "diagnostics"))
 938                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 939                                         &res->num_diagnostics,
 940                                         client_data, ns);
 941                 ;
 942             }
 943         }
 944         else if (!xmlStrcmp(method->name, BAD_CAST "scanRequest"))
 945         {
 946             Z_SRW_scanRequest *req;
 947             xmlNodePtr ptr = method->children;
 948
 949             (*p)->which = Z_SRW_scan_request;
 950             req = (*p)->u.scan_request = (Z_SRW_scanRequest *)
 951                 odr_malloc(o, sizeof(*req));
 952             req->queryType = "cql";
 953             req->scanClause = 0;
 954             req->responsePosition = 0;
 955             req->maximumTerms = 0;
 956             req->stylesheet = 0;
 957             req->database = 0;
 958
 959             for (; ptr; ptr = ptr->next)
 960             {
 961                 if (match_xsd_string(ptr, "version", o,
 962                                      &(*p)->srw_version))
 963                     ;
 964                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
 965                                          &(*p)->extraResponseData_buf,
 966                                          &(*p)->extraResponseData_len))
 967                     ;
 968                 else if (match_xsd_string(ptr, "scanClause", o,
 969                                           &req->scanClause))
 970                     ;
 971                 else if (match_xsd_string(ptr, "pScanClause", o,
 972                                           &req->scanClause))
 973                 {
 974                     req->queryType = "pqf";
 975                 }
 976                 else if (match_xsd_integer(ptr, "responsePosition", o,
 977                                            &req->responsePosition))
 978                     ;
 979                 else if (match_xsd_integer(ptr, "maximumTerms", o,
 980                                            &req->maximumTerms))
 981                     ;
 982                 else if (match_xsd_string(ptr, "stylesheet", o,
 983                                           &req->stylesheet))
 984                     ;
 985                 else
 986                     match_xsd_string(ptr, "database", o, &req->database);
 987             }
 988         }
 989         else if (!xmlStrcmp(method->name, BAD_CAST "scanResponse"))
 990         {
 991             Z_SRW_scanResponse *res;
 992             xmlNodePtr ptr = method->children;
 993
 994             (*p)->which = Z_SRW_scan_response;
 995             res = (*p)->u.scan_response = (Z_SRW_scanResponse *)
 996                 odr_malloc(o, sizeof(*res));
 997             res->terms = 0;
 998             res->num_terms = 0;
 999             res->diagnostics = 0;
1000             res->num_diagnostics = 0;
1001
1002             for (; ptr; ptr = ptr->next)
1003             {
1004                 if (match_xsd_string(ptr, "version", o,
1005                                      &(*p)->srw_version))
1006                     ;
1007                 else if (match_xsd_XML_n(ptr, "extraResponseData", o,
1008                                          &(*p)->extraResponseData_buf,
1009                                          &(*p)->extraResponseData_len))
1010                     ;
1011                 else if (match_element(ptr, "terms"))
1012                     yaz_srw_terms(o, ptr, &res->terms,
1013                                   &res->num_terms, client_data,
1014                                   ns);
1015                 else if (match_element(ptr, "diagnostics"))
1016                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1017                                         &res->num_diagnostics,
1018                                         client_data, ns);
1019             }
1020         }
1021         else
1022         {
1023             *p = 0;
1024             return -1;
1025         }
1026         neg_version = yaz_negotiate_sru_version((*p)->srw_version);
1027         if (neg_version)
1028             (*p)->srw_version = neg_version;
1029     }
1030     else if (o->direction == ODR_ENCODE)
1031     {
1032         Z_SRW_PDU **p = handler_data;
1033         xmlNsPtr ns_srw;
1034         xmlNodePtr ptr = 0;
1035         int version2 = !(*p)->srw_version ||
1036             strcmp((*p)->srw_version, "2.") > 0;
1037         if ((*p)->which == Z_SRW_searchRetrieve_request)
1038         {
1039             Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
1040             const char *queryType = req->queryType;
1041             if (version2)
1042                 ns = "http://docs.oasis-open.org/ns/search-ws/sruRequest";
1043             ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveRequest", 0);
1044             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1045             xmlSetNs(ptr, ns_srw);
1046
1047             if (!version2)
1048                 add_xsd_string(ptr, "version", (*p)->srw_version);
1049
1050             if (version2)
1051             {
1052                 if (queryType)
1053                     add_xsd_string(ptr, "queryType", queryType);
1054                 add_xsd_string(ptr, "query", req->query);
1055             }
1056             else
1057             {
1058                 if (!queryType || !strcmp(queryType, "cql"))
1059                     add_xsd_string(ptr, "query", req->query);
1060                 else if (!strcmp(queryType, "xcql"))
1061                     add_xsd_string(ptr, "xQuery", req->query);
1062                 else if (!strcmp(queryType, "pqf"))
1063                     add_xsd_string(ptr, "pQuery", req->query);
1064             }
1065             add_xsd_integer(ptr, "startRecord", req->startRecord);
1066             add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
1067             add_xsd_string(ptr, "recordPacking", req->recordPacking);
1068             add_xsd_string(ptr, "recordSchema", req->recordSchema);
1069             add_xsd_string(ptr, "recordXPath", req->recordXPath);
1070             add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
1071             switch (req->sort_type)
1072             {
1073             case Z_SRW_sort_type_none:
1074                 break;
1075             case Z_SRW_sort_type_sort:
1076                 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
1077                 break;
1078             case Z_SRW_sort_type_xSort:
1079                 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
1080                 break;
1081             }
1082             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1083             add_xsd_string(ptr, "database", req->database);
1084         }
1085         else if ((*p)->which == Z_SRW_searchRetrieve_response)
1086         {
1087             Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
1088             if (version2)
1089                 ns = "http://docs.oasis-open.org/ns/search-ws/sruResponse";
1090             ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveResponse", 0);
1091             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1092             xmlSetNs(ptr, ns_srw);
1093
1094             if (!version2)
1095                 add_xsd_string(ptr, "version", (*p)->srw_version);
1096             add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
1097             add_xsd_string(ptr, "resultSetId", res->resultSetId);
1098             add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
1099             if (res->num_records)
1100             {
1101                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "records", 0);
1102                 yaz_srw_records(o, rptr, &res->records, &res->extra_records,
1103                                 &res->num_records,
1104                                 client_data);
1105             }
1106             add_xsd_integer(ptr, "nextRecordPosition",
1107                             res->nextRecordPosition);
1108             if (res->num_diagnostics)
1109             {
1110                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1111                                               0);
1112                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1113                                     &res->num_diagnostics, client_data, ns);
1114             }
1115         }
1116         else if ((*p)->which == Z_SRW_explain_request)
1117         {
1118             Z_SRW_explainRequest *req = (*p)->u.explain_request;
1119             ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest", 0);
1120             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1121             xmlSetNs(ptr, ns_srw);
1122
1123             if (!version2)
1124                 add_xsd_string(ptr, "version", (*p)->srw_version);
1125             add_xsd_string(ptr, "recordPacking", req->recordPacking);
1126             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1127             add_xsd_string(ptr, "database", req->database);
1128         }
1129         else if ((*p)->which == Z_SRW_explain_response)
1130         {
1131             Z_SRW_explainResponse *res = (*p)->u.explain_response;
1132             ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse", 0);
1133             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1134             xmlSetNs(ptr, ns_srw);
1135
1136             add_xsd_string(ptr, "version", (*p)->srw_version);
1137             if (1)
1138             {
1139                 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1140                 yaz_srw_record(o, ptr1, &res->record, &res->extra_record,
1141                                client_data);
1142             }
1143             if (res->num_diagnostics)
1144             {
1145                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1146                                               0);
1147                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1148                                     &res->num_diagnostics, client_data, ns);
1149             }
1150         }
1151         else if ((*p)->which == Z_SRW_scan_request)
1152         {
1153             Z_SRW_scanRequest *req = (*p)->u.scan_request;
1154             const char *queryType = req->queryType;
1155             if (version2)
1156                 ns = "http://docs.oasis-open.org/ns/search-ws/scan";
1157             ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
1158             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1159             xmlSetNs(ptr, ns_srw);
1160
1161             if (!version2)
1162                 add_xsd_string(ptr, "version", (*p)->srw_version);
1163
1164             if (strcmp((*p)->srw_version, "2.") > 0)
1165             {
1166                 if (queryType && strcmp(queryType, "cql"))
1167                     add_xsd_string(ptr, "queryType", queryType);
1168                 add_xsd_string(ptr, "scanClause", req->scanClause);
1169             }
1170             else
1171             {
1172                 if (!queryType || !strcmp(queryType, "cql"))
1173                     add_xsd_string(ptr, "scanClause", req->scanClause);
1174                 else if (!strcmp(queryType, "pqf"))
1175                     add_xsd_string(ptr, "pScanClause", req->scanClause);
1176             }
1177             add_xsd_integer(ptr, "responsePosition", req->responsePosition);
1178             add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
1179             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1180             add_xsd_string(ptr, "database", req->database);
1181         }
1182         else if ((*p)->which == Z_SRW_scan_response)
1183         {
1184             Z_SRW_scanResponse *res = (*p)->u.scan_response;
1185             if (version2)
1186                 ns = "http://docs.oasis-open.org/ns/search-ws/scan";
1187             ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
1188             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
1189             xmlSetNs(ptr, ns_srw);
1190
1191             if (!version2)
1192                 add_xsd_string(ptr, "version", (*p)->srw_version);
1193
1194             if (res->num_terms)
1195             {
1196                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "terms", 0);
1197                 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
1198                               client_data, ns);
1199             }
1200             if (res->num_diagnostics)
1201             {
1202                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
1203                                               0);
1204                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1205                                     &res->num_diagnostics, client_data, ns);
1206             }
1207         }
1208         else
1209             return -1;
1210         if (ptr && (*p)->extraResponseData_len)
1211             add_XML_n(ptr, "extraResponseData",
1212                       (*p)->extraResponseData_buf,
1213                       (*p)->extraResponseData_len, ns_srw);
1214
1215
1216     }
1217     return 0;
1218 }
1219
1220 int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
1221                   void *client_data, const char *ns_ucp_str)
1222 {
1223     xmlNodePtr pptr = (xmlNodePtr) vptr;
1224     const char *ns_srw_str = YAZ_XMLNS_SRU_v1_1;
1225     if (o->direction == ODR_DECODE)
1226     {
1227         Z_SRW_PDU **p = handler_data;
1228         xmlNodePtr method = pptr->children;
1229
1230         while (method && method->type == XML_TEXT_NODE)
1231             method = method->next;
1232
1233         if (!method)
1234             return -1;
1235         if (method->type != XML_ELEMENT_NODE)
1236             return -1;
1237
1238         *p = yaz_srw_get_core_v_2_0(o);
1239
1240         if (!xmlStrcmp(method->name, BAD_CAST "updateRequest"))
1241         {
1242             xmlNodePtr ptr = method->children;
1243             Z_SRW_updateRequest *req;
1244             char *oper = 0;
1245
1246             (*p)->which = Z_SRW_update_request;
1247             req = (*p)->u.update_request = (Z_SRW_updateRequest *)
1248                 odr_malloc(o, sizeof(*req));
1249             req->database = 0;
1250             req->operation = 0;
1251             req->recordId = 0;
1252             req->recordVersions = 0;
1253             req->num_recordVersions = 0;
1254             req->record = 0;
1255             req->extra_record = 0;
1256             req->extraRequestData_buf = 0;
1257             req->extraRequestData_len = 0;
1258             req->stylesheet = 0;
1259
1260             for (; ptr; ptr = ptr->next)
1261             {
1262                 if (match_xsd_string(ptr, "version", o,
1263                                      &(*p)->srw_version))
1264                     ;
1265                 else if (match_xsd_string(ptr, "action", o,
1266                                           &oper)){
1267                     if (oper)
1268                     {
1269                         if (!strcmp(oper, "info:srw/action/1/delete"))
1270                             req->operation = "delete";
1271                         else if (!strcmp(oper,"info:srw/action/1/replace" ))
1272                             req->operation = "replace";
1273                         else if (!strcmp(oper, "info:srw/action/1/create"))
1274                             req->operation = "insert";
1275                     }
1276                 }
1277                 else if (match_xsd_string(ptr, "recordIdentifier", o,
1278                                           &req->recordId))
1279                     ;
1280                 else if (match_element(ptr, "recordVersions" ) )
1281                     yaz_srw_versions( o, ptr, &req->recordVersions,
1282                                       &req->num_recordVersions, client_data,
1283                                       ns_ucp_str);
1284                 else if (match_element(ptr, "record"))
1285                 {
1286                     req->record = yaz_srw_get_record(o);
1287                     yaz_srw_record(o, ptr, req->record, &req->extra_record,
1288                                    client_data);
1289                 }
1290                 else if (match_xsd_string(ptr, "stylesheet", o,
1291                                           &req->stylesheet))
1292                     ;
1293                 else
1294                     match_xsd_string(ptr, "database", o, &req->database);
1295             }
1296         }
1297         else if (!xmlStrcmp(method->name, BAD_CAST "updateResponse"))
1298         {
1299             xmlNodePtr ptr = method->children;
1300             Z_SRW_updateResponse *res;
1301
1302             (*p)->which = Z_SRW_update_response;
1303             res = (*p)->u.update_response = (Z_SRW_updateResponse *)
1304                 odr_malloc(o, sizeof(*res));
1305
1306             res->operationStatus = 0;
1307             res->recordId = 0;
1308             res->recordVersions = 0;
1309             res->num_recordVersions = 0;
1310             res->diagnostics = 0;
1311             res->num_diagnostics = 0;
1312             res->record = 0;
1313             res->extra_record = 0;
1314             res->extraResponseData_buf = 0;
1315             res->extraResponseData_len = 0;
1316
1317             for (; ptr; ptr = ptr->next)
1318             {
1319                 if (match_xsd_string(ptr, "version", o,
1320                                      &(*p)->srw_version))
1321                     ;
1322                 else if (match_xsd_string(ptr, "operationStatus", o,
1323                                           &res->operationStatus ))
1324                     ;
1325                 else if (match_xsd_string(ptr, "recordIdentifier", o,
1326                                           &res->recordId))
1327                     ;
1328                 else if (match_element(ptr, "recordVersions" ))
1329                     yaz_srw_versions(o, ptr, &res->recordVersions,
1330                                      &res->num_recordVersions,
1331                                      client_data, ns_ucp_str);
1332                 else if (match_element(ptr, "record"))
1333                 {
1334                     res->record = yaz_srw_get_record(o);
1335                     yaz_srw_record(o, ptr, res->record, &res->extra_record,
1336                                    client_data);
1337                 }
1338                 else if (match_element(ptr, "diagnostics"))
1339                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1340                                         &res->num_diagnostics,
1341                                         client_data, ns_ucp_str);
1342             }
1343         }
1344         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateRequest"))
1345         {
1346         }
1347         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateResponse"))
1348         {
1349         }
1350         else
1351         {
1352             *p = 0;
1353             return -1;
1354         }
1355     }
1356     else if (o->direction == ODR_ENCODE)
1357     {
1358         Z_SRW_PDU **p = handler_data;
1359         xmlNsPtr ns_ucp, ns_srw;
1360
1361         if ((*p)->which == Z_SRW_update_request)
1362         {
1363             Z_SRW_updateRequest *req = (*p)->u.update_request;
1364             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "updateRequest", 0);
1365             ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1366             xmlSetNs(ptr, ns_ucp);
1367             ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1368
1369             add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1370             add_xsd_string(ptr, "action", req->operation);
1371             add_xsd_string(ptr, "recordIdentifier", req->recordId );
1372             if (req->recordVersions)
1373                 yaz_srw_versions( o, ptr, &req->recordVersions,
1374                                   &req->num_recordVersions,
1375                                   client_data, ns_ucp_str);
1376             if (req->record && req->record->recordData_len)
1377             {
1378                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1379                 xmlSetNs(rptr, ns_srw);
1380                 yaz_srw_record(o, rptr, req->record, &req->extra_record,
1381                                client_data);
1382             }
1383             if (req->extraRequestData_len)
1384             {
1385                 add_XML_n(ptr, "extraRequestData",
1386                           req->extraRequestData_buf,
1387                           req->extraRequestData_len, ns_srw);
1388             }
1389             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1390             add_xsd_string(ptr, "database", req->database);
1391         }
1392         else if ((*p)->which == Z_SRW_update_response)
1393         {
1394             Z_SRW_updateResponse *res = (*p)->u.update_response;
1395             xmlNodePtr ptr = xmlNewChild(pptr, 0, (xmlChar *)
1396                                          "updateResponse", 0);
1397             ns_ucp = xmlNewNs(ptr, BAD_CAST ns_ucp_str, BAD_CAST "zu");
1398             xmlSetNs(ptr, ns_ucp);
1399             ns_srw = xmlNewNs(ptr, BAD_CAST ns_srw_str, BAD_CAST "zs");
1400
1401             add_xsd_string_ns(ptr, "version", (*p)->srw_version, ns_srw);
1402             add_xsd_string(ptr, "operationStatus", res->operationStatus );
1403             add_xsd_string(ptr, "recordIdentifier", res->recordId );
1404             if (res->recordVersions)
1405                 yaz_srw_versions(o, ptr, &res->recordVersions,
1406                                  &res->num_recordVersions,
1407                                  client_data, ns_ucp_str);
1408             if (res->record && res->record->recordData_len)
1409             {
1410                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1411                 xmlSetNs(rptr, ns_srw);
1412                 yaz_srw_record(o, rptr, res->record, &res->extra_record,
1413                                client_data);
1414             }
1415             if (res->num_diagnostics)
1416             {
1417                 xmlNsPtr ns_diag =
1418                     xmlNewNs(pptr, BAD_CAST YAZ_XMLNS_DIAG_v1_1,
1419                              BAD_CAST "diag" );
1420
1421                 xmlNodePtr rptr = xmlNewChild(ptr, ns_diag, BAD_CAST "diagnostics", 0);
1422                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1423                                     &res->num_diagnostics, client_data,
1424                                     ns_ucp_str);
1425             }
1426             if (res->extraResponseData_len)
1427                 add_XML_n(ptr, "extraResponseData",
1428                           res->extraResponseData_buf,
1429                           res->extraResponseData_len, ns_srw);
1430         }
1431         else
1432             return -1;
1433     }
1434     return 0;
1435 }
1436
1437 #endif
1438
1439
1440 /*
1441  * Local variables:
1442  * c-basic-offset: 4
1443  * c-file-style: "Stroustrup"
1444  * indent-tabs-mode: nil
1445  * End:
1446  * vim: shiftwidth=4 tabstop=8 expandtab
1447  */
1448