src/srw.c

   1 /*
   2  * Copyright (C) 1995-2005, Index Data ApS
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: srw.c,v 1.42 2006-01-20 10:34:52 adam Exp $
   6  */
   7 /**
   8  * \file srw.c
   9  * \brief Implements SRW/SRU package encoding and decoding
  10  */
  11
  12 #include <yaz/srw.h>
  13 #if HAVE_XML2
  14 #include <libxml/parser.h>
  15 #include <libxml/tree.h>
  16
  17 static void add_XML_n(xmlNodePtr ptr, const char *elem, char *val, int len)
  18 {
  19     if (val)
  20     {
  21         xmlDocPtr doc = xmlParseMemory(val,len);
  22         if (doc)
  23         {
  24             xmlNodePtr c = xmlNewChild(ptr, 0, BAD_CAST elem, 0);
  25             xmlNodePtr t = xmlDocGetRootElement(doc);
  26             xmlAddChild(c, xmlCopyNode(t,1));
  27             xmlFreeDoc(doc);
  28         }
  29     }
  30 }
  31
  32 xmlNodePtr add_xsd_string_n(xmlNodePtr ptr, const char *elem, const char *val,
  33                             int len)
  34 {
  35     if (val)
  36     {
  37         xmlNodePtr c = xmlNewChild(ptr, 0, BAD_CAST elem, 0);
  38         xmlNodePtr t = xmlNewTextLen(BAD_CAST val, len);
  39         xmlAddChild(c, t);
  40         return t;
  41     }
  42     return 0;
  43 }
  44
  45 xmlNodePtr add_xsd_string(xmlNodePtr ptr, const char *elem, const char *val)
  46 {
  47     if (val)
  48         return xmlNewTextChild(ptr, 0, BAD_CAST elem,
  49                                BAD_CAST val);
  50     return 0;
  51 }
  52
  53 static void add_xsd_integer(xmlNodePtr ptr, const char *elem, const int *val)
  54 {
  55     if (val)
  56     {
  57         char str[30];
  58         sprintf(str, "%d", *val);
  59         xmlNewTextChild(ptr, 0, BAD_CAST elem, BAD_CAST str);
  60     }
  61 }
  62
  63 static int match_element(xmlNodePtr ptr, const char *elem)
  64 {
  65     if (ptr->type == XML_ELEMENT_NODE && !xmlStrcmp(ptr->name, BAD_CAST elem))
  66         return 1;
  67     return 0;
  68 }
  69
  70 #define CHECK_TYPE 0
  71
  72 static int match_xsd_string_n(xmlNodePtr ptr, const char *elem, ODR o,
  73                               char **val, int *len)
  74 {
  75 #if CHECK_TYPE
  76     struct _xmlAttr *attr;
  77 #endif
  78     if (!match_element(ptr, elem))
  79         return 0;
  80 #if CHECK_TYPE
  81     for (attr = ptr->properties; attr; attr = attr->next)
  82         if (!strcmp(attr->name, "type") &&
  83             attr->children && attr->children->type == XML_TEXT_NODE)
  84         {
  85             const char *t = strchr(attr->children->content, ':');
  86             if (t)
  87                 t = t + 1;
  88             else
  89                 t = attr->children->content;
  90             if (!strcmp(t, "string"))
  91                 break;
  92         }
  93     if (!attr)
  94         return 0;
  95 #endif
  96     ptr = ptr->children;
  97     if (!ptr || ptr->type != XML_TEXT_NODE)
  98     {
  99         *val = "";
 100         return 1;
 101     }
 102     *val = odr_strdup(o, (const char *) ptr->content);
 103     if (len)
 104         *len = xmlStrlen(ptr->content);
 105     return 1;
 106 }
 107
 108
 109 static int match_xsd_string(xmlNodePtr ptr, const char *elem, ODR o,
 110                             char **val)
 111 {
 112     return match_xsd_string_n(ptr, elem, o, val, 0);
 113 }
 114
 115 static int match_xsd_XML_n(xmlNodePtr ptr, const char *elem, ODR o,
 116                            char **val, int *len)
 117 {
 118     xmlBufferPtr buf;
 119
 120     if (!match_element(ptr, elem))
 121         return 0;
 122     ptr = ptr->children;
 123     while (ptr && (ptr->type == XML_TEXT_NODE || ptr->type == XML_COMMENT_NODE))
 124         ptr = ptr->next;
 125     if (!ptr)
 126         return 0;
 127     buf = xmlBufferCreate();
 128
 129     xmlNodeDump(buf, ptr->doc, ptr, 0, 0);
 130
 131     *val = odr_malloc(o, buf->use+1);
 132     memcpy (*val, buf->content, buf->use);
 133     (*val)[buf->use] = '\0';
 134
 135     if (len)
 136         *len = buf->use;
 137
 138     xmlBufferFree(buf);
 139
 140     return 1;
 141 }
 142
 143 static int match_xsd_integer(xmlNodePtr ptr, const char *elem, ODR o, int **val)
 144 {
 145 #if CHECK_TYPE
 146     struct _xmlAttr *attr;
 147 #endif
 148     if (!match_element(ptr, elem))
 149         return 0;
 150 #if CHECK_TYPE
 151     for (attr = ptr->properties; attr; attr = attr->next)
 152         if (!strcmp(attr->name, "type") &&
 153             attr->children && attr->children->type == XML_TEXT_NODE)
 154         {
 155             const char *t = strchr(attr->children->content, ':');
 156             if (t)
 157                 t = t + 1;
 158             else
 159                 t = attr->children->content;
 160             if (!strcmp(t, "integer"))
 161                 break;
 162         }
 163     if (!attr)
 164         return 0;
 165 #endif
 166     ptr = ptr->children;
 167     if (!ptr || ptr->type != XML_TEXT_NODE)
 168         return 0;
 169     *val = odr_intdup(o, atoi((const char *) ptr->content));
 170     return 1;
 171 }
 172
 173 static int yaz_srw_extra_record(ODR o, xmlNodePtr pptr,
 174                                 Z_SRW_extra_record *rec,
 175                                 void *client_data, const char *ns)
 176 {
 177     if (o->direction == ODR_DECODE)
 178     {
 179         xmlNodePtr ptr;
 180         rec->type = 1;
 181         rec->recordId         = 0;
 182         rec->recordReviewCode = 0;
 183         rec->recordReviewNote = 0;
 184         rec->recordLockStatus = 0;
 185         rec->recordOldVersion = 0;
 186         rec->nonDupRecordId   = 0;
 187         for (ptr = pptr->children; ptr; ptr = ptr->next)
 188         {
 189             if (match_xsd_string(ptr, "recordId", o,
 190                                  &rec->recordId ))
 191                 ;
 192             else if (match_xsd_string(ptr, "recordReviewCode", o,
 193                                       &rec->recordReviewCode ))
 194               ;
 195             else if (match_xsd_string(ptr, "recordReviewNote", o,
 196                                        &rec->recordReviewNote ))
 197                 ;
 198             else if (match_xsd_string(ptr, "nonDupRecordId", o,
 199                                       &rec->nonDupRecordId ))
 200               ;
 201             else if (match_xsd_string(ptr, "recordLockStatus", o,
 202                                       &rec->recordLockStatus ))
 203               ;
 204             else if (match_xsd_string(ptr, "recordOldVersion", o,
 205                                       &rec->recordOldVersion ))
 206               ;
 207         }
 208     }
 209     else if (o->direction == ODR_ENCODE)
 210     {
 211         xmlNodePtr ptr = pptr;
 212         if ( rec->recordId )
 213             add_xsd_string(ptr, "recordId", rec->recordId);
 214         if ( rec->recordReviewCode )
 215             add_xsd_string(ptr, "recordReviewCode", rec->recordReviewCode);
 216         if (  rec->recordReviewNote )
 217             add_xsd_string(ptr, "recordReviewNote", rec->recordReviewNote);
 218         if ( rec->nonDupRecordId )
 219             add_xsd_string(ptr, "nonDupRecordId", rec->nonDupRecordId);
 220         if ( rec->recordLockStatus )
 221             add_xsd_string(ptr, "recordLockStatus", rec->recordLockStatus);
 222         if (  rec->recordOldVersion )
 223             add_xsd_string(ptr, "recordOldVersion", rec->recordOldVersion);
 224     }
 225     return 0;
 226 }
 227
 228 static int yaz_srw_record(ODR o, xmlNodePtr pptr, Z_SRW_record *rec,
 229                           Z_SRW_extra_record **extra,
 230                           void *client_data, const char *ns)
 231 {
 232     if (o->direction == ODR_DECODE)
 233     {
 234         char *spack = 0;
 235         int pack = Z_SRW_recordPacking_string;
 236         xmlNodePtr ptr;
 237         xmlNodePtr data_ptr = 0;
 238         rec->recordSchema = 0;
 239         rec->recordData_buf = 0;
 240         rec->recordData_len = 0;
 241         rec->recordPosition = 0;
 242         *extra = 0;
 243         for (ptr = pptr->children; ptr; ptr = ptr->next)
 244         {
 245
 246             if (match_xsd_string(ptr, "recordSchema", o,
 247                                  &rec->recordSchema))
 248                 ;
 249             else if (match_xsd_string(ptr, "recordPacking", o, &spack))
 250             {
 251                 if (spack && !strcmp(spack, "xml"))
 252                     pack = Z_SRW_recordPacking_XML;
 253                 if (spack && !strcmp(spack, "url"))
 254                     pack = Z_SRW_recordPacking_URL;
 255                 if (spack && !strcmp(spack, "string"))
 256                     pack = Z_SRW_recordPacking_string;
 257             }
 258             else if (match_xsd_integer(ptr, "recordPosition", o,
 259                                        &rec->recordPosition))
 260                 ;
 261             else if (match_element(ptr, "recordData"))
 262             {
 263                 /* save position of Data until after the loop
 264                    then we will know the packing (hopefully), and
 265                    unpacking is done once
 266                 */
 267                 data_ptr = ptr;
 268             }
 269             else if (match_element(ptr, "extraRecordData"))
 270             {
 271                 *extra = (Z_SRW_extra_record *)
 272                     odr_malloc(o, sizeof(Z_SRW_extra_record));
 273                 yaz_srw_extra_record(o, ptr, *extra, client_data, ns);
 274             }
 275         }
 276         if (data_ptr)
 277         {
 278             switch(pack)
 279             {
 280             case Z_SRW_recordPacking_XML:
 281                 match_xsd_XML_n(data_ptr, "recordData", o,
 282                                 &rec->recordData_buf, &rec->recordData_len);
 283                 break;
 284             case Z_SRW_recordPacking_URL:
 285                 /* just store it as a string.
 286                    leave it to the backend to collect the document */
 287                 match_xsd_string_n(data_ptr, "recordData", o,
 288                                    &rec->recordData_buf, &rec->recordData_len);
 289                 break;
 290             case Z_SRW_recordPacking_string:
 291                 match_xsd_string_n(data_ptr, "recordData", o,
 292                                    &rec->recordData_buf, &rec->recordData_len);
 293                 break;
 294             }
 295         }
 296         rec->recordPacking = pack;
 297     }
 298     else if (o->direction == ODR_ENCODE)
 299     {
 300         xmlNodePtr ptr = pptr;
 301         int pack = rec->recordPacking;
 302         add_xsd_string(ptr, "recordSchema", rec->recordSchema);
 303
 304         switch(pack)
 305         {
 306         case Z_SRW_recordPacking_string:
 307             add_xsd_string(ptr, "recordPacking", "string");
 308             add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
 309                              rec->recordData_len);
 310             break;
 311         case Z_SRW_recordPacking_XML:
 312             add_xsd_string(ptr, "recordPacking", "xml");
 313             add_XML_n(ptr, "recordData", rec->recordData_buf,
 314                       rec->recordData_len);
 315             break;
 316         case Z_SRW_recordPacking_URL:
 317             add_xsd_string(ptr, "recordPacking", "url");
 318             add_xsd_string_n(ptr, "recordData", rec->recordData_buf,
 319                              rec->recordData_len);
 320             break;
 321         }
 322         if (rec->recordPosition)
 323             add_xsd_integer(ptr, "recordPosition", rec->recordPosition );
 324         if (extra && *extra)
 325         {
 326             xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "extraRecordData",
 327                                           0);
 328             yaz_srw_extra_record(o, rptr, *extra, client_data, ns);
 329         }
 330     }
 331     return 0;
 332 }
 333
 334 static int yaz_srw_records(ODR o, xmlNodePtr pptr, Z_SRW_record **recs,
 335                            Z_SRW_extra_record ***extra,
 336                            int *num, void *client_data, const char *ns)
 337 {
 338     if (o->direction == ODR_DECODE)
 339     {
 340         int i;
 341         xmlNodePtr ptr;
 342         *num = 0;
 343         for (ptr = pptr->children; ptr; ptr = ptr->next)
 344         {
 345             if (ptr->type == XML_ELEMENT_NODE &&
 346                 !xmlStrcmp(ptr->name, BAD_CAST "record"))
 347                 (*num)++;
 348         }
 349         if (!*num)
 350             return 1;
 351         *recs = (Z_SRW_record *) odr_malloc(o, *num * sizeof(**recs));
 352         *extra = (Z_SRW_extra_record **) odr_malloc(o, *num * sizeof(**extra));
 353         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
 354         {
 355             if (ptr->type == XML_ELEMENT_NODE &&
 356                 !xmlStrcmp(ptr->name, BAD_CAST "record"))
 357             {
 358                 yaz_srw_record(o, ptr, *recs + i, *extra + i, client_data, ns);
 359                 i++;
 360             }
 361         }
 362     }
 363     else if (o->direction == ODR_ENCODE)
 364     {
 365         int i;
 366         for (i = 0; i < *num; i++)
 367         {
 368             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "record",
 369                                           0);
 370             yaz_srw_record(o, rptr, (*recs)+i, (*extra ? *extra + i : 0),
 371                            client_data, ns);
 372         }
 373     }
 374     return 0;
 375 }
 376
 377 static int yaz_srw_diagnostics(ODR o, xmlNodePtr pptr, Z_SRW_diagnostic **recs,
 378                                int *num, void *client_data, const char *ns)
 379 {
 380     if (o->direction == ODR_DECODE)
 381     {
 382         int i;
 383         xmlNodePtr ptr;
 384         *num = 0;
 385         for (ptr = pptr->children; ptr; ptr = ptr->next)
 386         {
 387             if (ptr->type == XML_ELEMENT_NODE &&
 388                 !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
 389                 (*num)++;
 390         }
 391         if (!*num)
 392             return 1;
 393         *recs = (Z_SRW_diagnostic *) odr_malloc(o, *num * sizeof(**recs));
 394         for (i = 0; i < *num; i++)
 395         {
 396             (*recs)[i].uri = 0;
 397             (*recs)[i].details = 0;
 398             (*recs)[i].message = 0;
 399         }
 400         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
 401         {
 402             if (ptr->type == XML_ELEMENT_NODE &&
 403                 !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
 404             {
 405                 xmlNodePtr rptr;
 406                 (*recs)[i].uri = 0;
 407                 (*recs)[i].details = 0;
 408                 (*recs)[i].message = 0;
 409                 for (rptr = ptr->children; rptr; rptr = rptr->next)
 410                 {
 411                     if (match_xsd_string(rptr, "uri", o,
 412                                          &(*recs)[i].uri))
 413                         ;
 414                     else if (match_xsd_string(rptr, "details", o,
 415                                               &(*recs)[i].details))
 416                         ;
 417                     else if (match_xsd_string(rptr, "message", o,
 418                                               &(*recs)[i].message))
 419                         ;
 420                 }
 421                 i++;
 422             }
 423         }
 424     }
 425     else if (o->direction == ODR_ENCODE)
 426     {
 427         int i;
 428         xmlNsPtr ns_diag =
 429             xmlNewNs(pptr, BAD_CAST
 430                      "http://www.loc.gov/zing/srw/diagnostic/", 0);
 431         for (i = 0; i < *num; i++)
 432         {
 433             const char *std_diag = "info:srw/diagnostic/1/";
 434             xmlNodePtr rptr = xmlNewChild(pptr, ns_diag,
 435                                           BAD_CAST "diagnostic", 0);
 436             add_xsd_string(rptr, "uri", (*recs)[i].uri);
 437             if ((*recs)[i].message)
 438                 add_xsd_string(rptr, "message", (*recs)[i].message);
 439             else if ((*recs)[i].uri &&
 440                      !strncmp((*recs)[i].uri, std_diag, strlen(std_diag)))
 441             {
 442                 int no = atoi((*recs)[i].uri + strlen(std_diag));
 443                 const char *message = yaz_diag_srw_str(no);
 444                 if (message)
 445                     add_xsd_string(rptr, "message", message);
 446             }
 447             add_xsd_string(rptr, "details", (*recs)[i].details);
 448         }
 449     }
 450     return 0;
 451 }
 452
 453 static int yaz_srw_term(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm *term,
 454                         void *client_data, const char *ns)
 455 {
 456     if (o->direction == ODR_DECODE)
 457     {
 458         xmlNodePtr ptr;
 459         term->value = 0;
 460         term->numberOfRecords = 0;
 461         term->displayTerm = 0;
 462         term->whereInList = 0;
 463         for (ptr = pptr->children; ptr; ptr = ptr->next)
 464         {
 465             if (match_xsd_string(ptr, "value", o,  &term->value))
 466                 ;
 467             else if (match_xsd_integer(ptr, "numberOfRecords", o,
 468                                    &term->numberOfRecords))
 469                 ;
 470             else if (match_xsd_string(ptr, "displayTerm", o,
 471                                       &term->displayTerm))
 472                 ;
 473             else if (match_xsd_string(ptr, "whereInList", o,
 474                                       &term->whereInList))
 475                 ;
 476         }
 477     }
 478     else if (o->direction == ODR_ENCODE)
 479     {
 480         xmlNodePtr ptr = pptr;
 481         add_xsd_string(ptr, "value", term->value);
 482         add_xsd_integer(ptr, "numberOfRecords", term->numberOfRecords);
 483         add_xsd_string(ptr, "displayTerm", term->displayTerm);
 484         add_xsd_string(ptr, "whereInList", term->whereInList);
 485     }
 486     return 0;
 487 }
 488
 489 static int yaz_srw_terms(ODR o, xmlNodePtr pptr, Z_SRW_scanTerm **terms,
 490                          int *num, void *client_data, const char *ns)
 491 {
 492     if (o->direction == ODR_DECODE)
 493     {
 494         int i;
 495         xmlNodePtr ptr;
 496         *num = 0;
 497         for (ptr = pptr->children; ptr; ptr = ptr->next)
 498         {
 499             if (ptr->type == XML_ELEMENT_NODE &&
 500                 !xmlStrcmp(ptr->name, BAD_CAST "term"))
 501                 (*num)++;
 502         }
 503         if (!*num)
 504             return 1;
 505         *terms = (Z_SRW_scanTerm *) odr_malloc(o, *num * sizeof(**terms));
 506         for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next, i++)
 507         {
 508             if (ptr->type == XML_ELEMENT_NODE &&
 509                 !xmlStrcmp(ptr->name, BAD_CAST "term"))
 510                 yaz_srw_term(o, ptr, (*terms)+i, client_data, ns);
 511         }
 512     }
 513     else if (o->direction == ODR_ENCODE)
 514     {
 515         int i;
 516         for (i = 0; i < *num; i++)
 517         {
 518             xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "term", 0);
 519             yaz_srw_term(o, rptr, (*terms)+i, client_data, ns);
 520         }
 521     }
 522     return 0;
 523 }
 524
 525 int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
 526                   void *client_data, const char *ns)
 527 {
 528     xmlNodePtr pptr = (xmlNodePtr) vptr;
 529     if (o->direction == ODR_DECODE)
 530     {
 531         Z_SRW_PDU **p = handler_data;
 532         xmlNodePtr method = pptr->children;
 533
 534         while (method && method->type == XML_TEXT_NODE)
 535             method = method->next;
 536
 537         if (!method)
 538             return -1;
 539         if (method->type != XML_ELEMENT_NODE)
 540             return -1;
 541
 542         *p = (Z_SRW_PDU *) odr_malloc(o, sizeof(**p));
 543         (*p)->srw_version = odr_strdup(o, "1.1");
 544
 545         if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveRequest"))
 546         {
 547             xmlNodePtr ptr = method->children;
 548             Z_SRW_searchRetrieveRequest *req;
 549
 550             (*p)->which = Z_SRW_searchRetrieve_request;
 551             req = (*p)->u.request = (Z_SRW_searchRetrieveRequest *)
 552                 odr_malloc(o, sizeof(*req));
 553             req->query_type = Z_SRW_query_type_cql;
 554             req->query.cql = 0;
 555             req->sort_type = Z_SRW_sort_type_none;
 556             req->sort.none = 0;
 557             req->startRecord = 0;
 558             req->maximumRecords = 0;
 559             req->recordSchema = 0;
 560             req->recordPacking = 0;
 561             req->recordXPath = 0;
 562             req->resultSetTTL = 0;
 563             req->stylesheet = 0;
 564             req->database = 0;
 565
 566             for (; ptr; ptr = ptr->next)
 567             {
 568                 if (match_xsd_string(ptr, "version", o,
 569                                      &(*p)->srw_version))
 570                     ;
 571                 else if (match_xsd_string(ptr, "query", o,
 572                                      &req->query.cql))
 573                     req->query_type = Z_SRW_query_type_cql;
 574                 else if (match_xsd_string(ptr, "pQuery", o,
 575                                      &req->query.pqf))
 576                     req->query_type = Z_SRW_query_type_pqf;
 577                 else if (match_xsd_string(ptr, "xQuery", o,
 578                                      &req->query.xcql))
 579                     req->query_type = Z_SRW_query_type_xcql;
 580                 else if (match_xsd_integer(ptr, "startRecord", o,
 581                                            &req->startRecord))
 582                     ;
 583                 else if (match_xsd_integer(ptr, "maximumRecords", o,
 584                                            &req->maximumRecords))
 585                     ;
 586                 else if (match_xsd_string(ptr, "recordPacking", o,
 587                                           &req->recordPacking))
 588                     ;
 589                 else if (match_xsd_string(ptr, "recordSchema", o,
 590                                           &req->recordSchema))
 591                     ;
 592                 else if (match_xsd_string(ptr, "recordXPath", o,
 593                                           &req->recordXPath))
 594                     ;
 595                 else if (match_xsd_string(ptr, "resultSetTTL", o,
 596                                            &req->database))
 597                     ;
 598                 else if (match_xsd_string(ptr, "sortKeys", o,
 599                                           &req->sort.sortKeys))
 600                     req->sort_type = Z_SRW_sort_type_sort;
 601                 else if (match_xsd_string(ptr, "stylesheet", o,
 602                                            &req->stylesheet))
 603                     ;
 604                 else if (match_xsd_string(ptr, "database", o,
 605                                            &req->database))
 606                     ;
 607                 /* missing is xQuery, xSortKeys .. */
 608             }
 609         }
 610         else if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveResponse"))
 611         {
 612             xmlNodePtr ptr = method->children;
 613             Z_SRW_searchRetrieveResponse *res;
 614
 615             (*p)->which = Z_SRW_searchRetrieve_response;
 616             res = (*p)->u.response = (Z_SRW_searchRetrieveResponse *)
 617                 odr_malloc(o, sizeof(*res));
 618
 619             res->numberOfRecords = 0;
 620             res->resultSetId = 0;
 621             res->resultSetIdleTime = 0;
 622             res->records = 0;
 623             res->num_records = 0;
 624             res->diagnostics = 0;
 625             res->num_diagnostics = 0;
 626             res->nextRecordPosition = 0;
 627
 628             for (; ptr; ptr = ptr->next)
 629             {
 630                 if (match_xsd_string(ptr, "version", o,
 631                                      &(*p)->srw_version))
 632                     ;
 633                 else if (match_xsd_integer(ptr, "numberOfRecords", o,
 634                                       &res->numberOfRecords))
 635                     ;
 636                 else if (match_xsd_string(ptr, "resultSetId", o,
 637                                           &res->resultSetId))
 638                     ;
 639                 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
 640                                            &res->resultSetIdleTime))
 641                     ;
 642                 else if (match_element(ptr, "records"))
 643                     yaz_srw_records(o, ptr, &res->records,
 644                                     &res->extra_records,
 645                                     &res->num_records, client_data, ns);
 646                 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
 647                                            &res->nextRecordPosition))
 648                     ;
 649                 else if (match_element(ptr, "diagnostics"))
 650                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 651                                         &res->num_diagnostics,
 652                                         client_data, ns);
 653             }
 654         }
 655         else if (!xmlStrcmp(method->name, BAD_CAST "explainRequest"))
 656         {
 657             Z_SRW_explainRequest *req;
 658             xmlNodePtr ptr = method->children;
 659
 660             (*p)->which = Z_SRW_explain_request;
 661             req = (*p)->u.explain_request = (Z_SRW_explainRequest *)
 662                 odr_malloc(o, sizeof(*req));
 663             req->recordPacking = 0;
 664             req->database = 0;
 665             req->stylesheet = 0;
 666             for (; ptr; ptr = ptr->next)
 667             {
 668                 if (match_xsd_string(ptr, "version", o,
 669                                            &(*p)->srw_version))
 670                     ;
 671                 else if (match_xsd_string(ptr, "stylesheet", o,
 672                                           &req->stylesheet))
 673                     ;
 674                 else if (match_xsd_string(ptr, "recordPacking", o,
 675                                      &req->recordPacking))
 676                     ;
 677                 else if (match_xsd_string(ptr, "database", o,
 678                                      &req->database))
 679                     ;
 680             }
 681         }
 682         else if (!xmlStrcmp(method->name, BAD_CAST "explainResponse"))
 683         {
 684             Z_SRW_explainResponse *res;
 685             xmlNodePtr ptr = method->children;
 686
 687             (*p)->which = Z_SRW_explain_response;
 688             res = (*p)->u.explain_response = (Z_SRW_explainResponse*)
 689                 odr_malloc(o, sizeof(*res));
 690             res->diagnostics = 0;
 691             res->num_diagnostics = 0;
 692             res->record.recordSchema = 0;
 693             res->record.recordData_buf = 0;
 694             res->record.recordData_len = 0;
 695             res->record.recordPosition = 0;
 696
 697             for (; ptr; ptr = ptr->next)
 698             {
 699                 if (match_xsd_string(ptr, "version", o,
 700                                            &(*p)->srw_version))
 701                     ;
 702                 else if (match_element(ptr, "record"))
 703                     yaz_srw_record(o, ptr, &res->record, &res->extra_record,
 704                                    client_data, ns);
 705                 else if (match_element(ptr, "diagnostics"))
 706                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 707                                         &res->num_diagnostics,
 708                                         client_data, ns);
 709                 ;
 710             }
 711         }
 712         else if (!xmlStrcmp(method->name, BAD_CAST "scanRequest"))
 713         {
 714             Z_SRW_scanRequest *req;
 715             xmlNodePtr ptr = method->children;
 716
 717             (*p)->which = Z_SRW_scan_request;
 718             req = (*p)->u.scan_request = (Z_SRW_scanRequest *)
 719                 odr_malloc(o, sizeof(*req));
 720             req->query_type = Z_SRW_query_type_cql;
 721             req->scanClause.cql = 0;
 722             req->responsePosition = 0;
 723             req->maximumTerms = 0;
 724             req->stylesheet = 0;
 725             req->database = 0;
 726
 727             for (; ptr; ptr = ptr->next)
 728             {
 729                 if (match_xsd_string(ptr, "version", o,
 730                                      &(*p)->srw_version))
 731                     ;
 732                 else if (match_xsd_string(ptr, "scanClause", o,
 733                                      &req->scanClause.cql))
 734                     ;
 735                 else if (match_xsd_string(ptr, "pScanClause", o,
 736                                           &req->scanClause.pqf))
 737                 {
 738                     req->query_type = Z_SRW_query_type_pqf;
 739                 }
 740                 else if (match_xsd_integer(ptr, "responsePosition", o,
 741                                            &req->responsePosition))
 742                     ;
 743                 else if (match_xsd_integer(ptr, "maximumTerms", o,
 744                                            &req->maximumTerms))
 745                     ;
 746                 else if (match_xsd_string(ptr, "stylesheet", o,
 747                                           &req->stylesheet))
 748                     ;
 749                 else if (match_xsd_string(ptr, "database", o,
 750                                           &req->database))
 751                     ;
 752             }
 753         }
 754         else if (!xmlStrcmp(method->name, BAD_CAST "scanResponse"))
 755         {
 756             Z_SRW_scanResponse *res;
 757             xmlNodePtr ptr = method->children;
 758
 759             (*p)->which = Z_SRW_scan_response;
 760             res = (*p)->u.scan_response = (Z_SRW_scanResponse *)
 761                 odr_malloc(o, sizeof(*res));
 762             res->terms = 0;
 763             res->num_terms = 0;
 764             res->diagnostics = 0;
 765             res->num_diagnostics = 0;
 766
 767             for (; ptr; ptr = ptr->next)
 768             {
 769                 if (match_xsd_string(ptr, "version", o,
 770                                      &(*p)->srw_version))
 771                     ;
 772                 else if (match_element(ptr, "terms"))
 773                     yaz_srw_terms(o, ptr, &res->terms,
 774                                   &res->num_terms, client_data,
 775                                   ns);
 776                 else if (match_element(ptr, "diagnostics"))
 777                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 778                                         &res->num_diagnostics,
 779                                         client_data, ns);
 780             }
 781         }
 782         else
 783         {
 784             *p = 0;
 785             return -1;
 786         }
 787     }
 788     else if (o->direction == ODR_ENCODE)
 789     {
 790         Z_SRW_PDU **p = handler_data;
 791         xmlNsPtr ns_srw;
 792
 793         if ((*p)->which == Z_SRW_searchRetrieve_request)
 794         {
 795             Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
 796             xmlNodePtr ptr = xmlNewChild(pptr, 0,
 797                                          BAD_CAST "searchRetrieveRequest", 0);
 798             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 799             xmlSetNs(ptr, ns_srw);
 800
 801             if ((*p)->srw_version)
 802                 add_xsd_string(ptr, "version", (*p)->srw_version);
 803             switch(req->query_type)
 804             {
 805             case Z_SRW_query_type_cql:
 806                 add_xsd_string(ptr, "query", req->query.cql);
 807                 break;
 808             case Z_SRW_query_type_xcql:
 809                 add_xsd_string(ptr, "xQuery", req->query.xcql);
 810                 break;
 811             case Z_SRW_query_type_pqf:
 812                 add_xsd_string(ptr, "pQuery", req->query.pqf);
 813                 break;
 814             }
 815             add_xsd_integer(ptr, "startRecord", req->startRecord);
 816             add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
 817             add_xsd_string(ptr, "recordPacking", req->recordPacking);
 818             add_xsd_string(ptr, "recordSchema", req->recordSchema);
 819             add_xsd_string(ptr, "recordXPath", req->recordXPath);
 820             add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
 821             switch(req->sort_type)
 822             {
 823             case Z_SRW_sort_type_none:
 824                 break;
 825             case Z_SRW_sort_type_sort:
 826                 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
 827                 break;
 828             case Z_SRW_sort_type_xSort:
 829                 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
 830                 break;
 831             }
 832             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 833             add_xsd_string(ptr, "database", req->database);
 834         }
 835         else if ((*p)->which == Z_SRW_searchRetrieve_response)
 836         {
 837             Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
 838             xmlNodePtr ptr = xmlNewChild(pptr, 0,
 839                                          BAD_CAST "searchRetrieveResponse", 0);
 840             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 841             xmlSetNs(ptr, ns_srw);
 842
 843             if ((*p)->srw_version)
 844                 add_xsd_string(ptr, "version", (*p)->srw_version);
 845             add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
 846             add_xsd_string(ptr, "resultSetId", res->resultSetId);
 847             add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
 848             if (res->num_records)
 849             {
 850                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "records", 0);
 851                 yaz_srw_records(o, rptr, &res->records, &res->extra_records,
 852                                 &res->num_records,
 853                                 client_data, ns);
 854             }
 855             add_xsd_integer(ptr, "nextRecordPosition",
 856                             res->nextRecordPosition);
 857             if (res->num_diagnostics)
 858             {
 859                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
 860                                               0);
 861                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 862                                     &res->num_diagnostics, client_data, ns);
 863             }
 864         }
 865         else if ((*p)->which == Z_SRW_explain_request)
 866         {
 867             Z_SRW_explainRequest *req = (*p)->u.explain_request;
 868             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest",
 869                                          0);
 870             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 871             xmlSetNs(ptr, ns_srw);
 872
 873             add_xsd_string(ptr, "version", (*p)->srw_version);
 874             add_xsd_string(ptr, "recordPacking", req->recordPacking);
 875             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 876             add_xsd_string(ptr, "database", req->database);
 877         }
 878         else if ((*p)->which == Z_SRW_explain_response)
 879         {
 880             Z_SRW_explainResponse *res = (*p)->u.explain_response;
 881             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse",
 882                                          0);
 883             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 884             xmlSetNs(ptr, ns_srw);
 885
 886             add_xsd_string(ptr, "version", (*p)->srw_version);
 887             if (1)
 888             {
 889                 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
 890                 yaz_srw_record(o, ptr1, &res->record, &res->extra_record,
 891                                client_data, ns);
 892             }
 893             if (res->num_diagnostics)
 894             {
 895                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
 896                                               0);
 897                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 898                                     &res->num_diagnostics, client_data, ns);
 899             }
 900         }
 901         else if ((*p)->which == Z_SRW_scan_request)
 902         {
 903             Z_SRW_scanRequest *req = (*p)->u.scan_request;
 904             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
 905             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 906             xmlSetNs(ptr, ns_srw);
 907
 908             add_xsd_string(ptr, "version", (*p)->srw_version);
 909             switch(req->query_type)
 910             {
 911             case Z_SRW_query_type_cql:
 912                 add_xsd_string(ptr, "scanClause", req->scanClause.cql);
 913                 break;
 914             case Z_SRW_query_type_pqf:
 915                 add_xsd_string(ptr, "pScanClause", req->scanClause.pqf);
 916                 break;
 917             }
 918             add_xsd_integer(ptr, "responsePosition", req->responsePosition);
 919             add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
 920             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 921             add_xsd_string(ptr, "database", req->database);
 922         }
 923         else if ((*p)->which == Z_SRW_scan_response)
 924         {
 925             Z_SRW_scanResponse *res = (*p)->u.scan_response;
 926             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
 927             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 928             xmlSetNs(ptr, ns_srw);
 929
 930             add_xsd_string(ptr, "version", (*p)->srw_version);
 931
 932             if (res->num_terms)
 933             {
 934                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "terms", 0);
 935                 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
 936                               client_data, ns);
 937             }
 938             if (res->num_diagnostics)
 939             {
 940                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
 941                                               0);
 942                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 943                                     &res->num_diagnostics, client_data, ns);
 944             }
 945         }
 946         else
 947             return -1;
 948
 949     }
 950     return 0;
 951 }
 952
 953 int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
 954                   void *client_data, const char *ns)
 955 {
 956     xmlNodePtr pptr = (xmlNodePtr) vptr;
 957     if (o->direction == ODR_DECODE)
 958     {
 959         Z_SRW_PDU **p = handler_data;
 960         xmlNodePtr method = pptr->children;
 961
 962         while (method && method->type == XML_TEXT_NODE)
 963             method = method->next;
 964
 965         if (!method)
 966             return -1;
 967         if (method->type != XML_ELEMENT_NODE)
 968             return -1;
 969
 970         *p = (Z_SRW_PDU *) odr_malloc(o, sizeof(**p));
 971         (*p)->srw_version = odr_strdup(o, "1.1");
 972
 973         if (!xmlStrcmp(method->name, BAD_CAST "updateRequest"))
 974         {
 975             xmlNodePtr ptr = method->children;
 976             Z_SRW_updateRequest *req;
 977             char *oper = 0;
 978
 979             (*p)->which = Z_SRW_update_request;
 980             req = (*p)->u.update_request = (Z_SRW_updateRequest *)
 981                 odr_malloc(o, sizeof(*req));
 982             req->database = 0;
 983             req->operation = 0;
 984             req->recordId = 0;
 985             req->recordVersion = 0;
 986             req->recordOldVersion = 0;
 987             req->record.recordData_buf = 0;
 988             req->record.recordData_len = 0;
 989             req->record.recordSchema = 0;
 990             req->record.recordPacking = 0;
 991             req->extra_record = 0;
 992             req->extraRequestData = 0;
 993             req->stylesheet = 0;
 994
 995             for (; ptr; ptr = ptr->next)
 996             {
 997                 if (match_xsd_string(ptr, "version", o,
 998                                      &(*p)->srw_version))
 999                     ;
1000                 else if (match_xsd_string(ptr, "operation", o,
1001                                           &oper)){
1002                     if ( oper ){
1003                         if ( !strcmp(oper, "delete"))
1004                             req->operation = "delete";
1005                         else if (!strcmp(oper,"replace" ))
1006                             req->operation = "replace";
1007                         else if ( !strcmp( oper, "insert"))
1008                             req->operation = "insert";
1009                     }
1010                 }
1011                 else if (match_xsd_string(ptr, "recordId", o,
1012                                           &req->recordId))
1013                     ;
1014                 else if (match_xsd_string(ptr, "recordVersion", o,
1015                                           &req->recordVersion))
1016                     ;
1017                 else if (match_element(ptr, "record"))
1018                     yaz_srw_record(o, ptr, &req->record, &req->extra_record,
1019                                    client_data, ns);
1020                 else if (match_xsd_string(ptr, "stylesheet", o,
1021                                            &req->stylesheet))
1022                     ;
1023                 else if (match_xsd_string(ptr, "database", o,
1024                                            &req->database))
1025                     ;
1026             }
1027         }
1028         else if (!xmlStrcmp(method->name, BAD_CAST "updateResponse"))
1029         {
1030             xmlNodePtr ptr = method->children;
1031             Z_SRW_updateResponse *res;
1032
1033             (*p)->which = Z_SRW_update_response;
1034             res = (*p)->u.update_response = (Z_SRW_updateResponse *)
1035                 odr_malloc(o, sizeof(*res));
1036
1037             res->operationStatus = 0;
1038             res->recordId = 0;
1039             res->recordVersion = 0;
1040             res->recordChecksum = 0;
1041             res->diagnostics = 0;
1042             res->num_diagnostics = 0;
1043             res->record.recordData_buf = 0;
1044             res->record.recordData_len = 0;
1045             res->record.recordSchema = 0;
1046             res->record.recordPacking = 0;
1047             res->extra_record = 0;
1048             res->extraResponseData = 0;
1049
1050             for (; ptr; ptr = ptr->next)
1051             {
1052                 if (match_xsd_string(ptr, "version", o,
1053                                      &(*p)->srw_version))
1054                     ;
1055                 else if (match_xsd_string(ptr, "operationStatus", o,
1056                                       &res->operationStatus ))
1057                     ;
1058                 else if (match_xsd_string(ptr, "recordId", o,
1059                                           &res->recordId))
1060                     ;
1061                 else if (match_xsd_string(ptr, "recordVersion", o,
1062                                            &res->recordVersion ))
1063                     ;
1064                 else if (match_element(ptr, "record"))
1065                     yaz_srw_record(o, ptr, &res->record, &res->extra_record,
1066                                    client_data, ns);
1067                 else if (match_element(ptr, "diagnostics"))
1068                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1069                                         &res->num_diagnostics,
1070                                         client_data, ns);
1071             }
1072         }
1073         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateRequest"))
1074         {
1075         }
1076         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateResponse"))
1077         {
1078         }
1079         else
1080         {
1081             *p = 0;
1082             return -1;
1083         }
1084     }
1085     else if (o->direction == ODR_ENCODE)
1086     {
1087         Z_SRW_PDU **p = handler_data;
1088         xmlNsPtr ns_srw;
1089
1090         if ((*p)->which == Z_SRW_update_request)
1091         {
1092             Z_SRW_updateRequest *req = (*p)->u.update_request;
1093             xmlNodePtr ptr = xmlNewChild(pptr, 0, "updateRequest", 0);
1094             ns_srw = xmlNewNs(ptr, ns, "zu");
1095             xmlSetNs(ptr, ns_srw);
1096
1097             add_xsd_string(ptr, "version", (*p)->srw_version);
1098             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1099             add_xsd_string(ptr, "database", req->database);
1100         }
1101         else if ((*p)->which == Z_SRW_update_response)
1102         {
1103             Z_SRW_updateResponse *res = (*p)->u.update_response;
1104             xmlNodePtr ptr = xmlNewChild(pptr, 0, (xmlChar *)
1105                                          "updateResponse", 0);
1106             ns_srw = xmlNewNs(ptr, ns, "zu");
1107             xmlSetNs(ptr, ns_srw);
1108
1109             add_xsd_string(ptr, "version", (*p)->srw_version);
1110             add_xsd_string(ptr, "operationStatus", res->operationStatus );
1111             add_xsd_string(ptr, "recordId", res->recordId );
1112             if (res->recordVersion)
1113                 add_xsd_string(ptr, "recordVersion", res->recordVersion );
1114             if (res->recordChecksum)
1115                 add_xsd_string(ptr, "recordChecksum", res->recordChecksum );
1116             if (res->record.recordData_len)
1117             {
1118                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "record", 0);
1119                 yaz_srw_record(o, rptr, &res->record, &res->extra_record,
1120                                client_data, ns);
1121             }
1122             if (res->num_diagnostics)
1123             {
1124                 xmlNodePtr rptr = xmlNewChild(ptr, 0, "diagnostics", 0);
1125                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1126                                     &res->num_diagnostics, client_data, ns);
1127             }
1128             if ( res->extraResponseData )
1129                 add_xsd_string(ptr, "extraResponseData", res->extraResponseData);
1130         }
1131         else
1132             return -1;
1133
1134     }
1135     return 0;
1136 }
1137
1138 #endif
1139
1140
1141 /*
1142  * Local variables:
1143  * c-basic-offset: 4
1144  * indent-tabs-mode: nil
1145  * End:
1146  * vim: shiftwidth=4 tabstop=8 expandtab
1147  */
1148