src/srw.c

   1 /*
   2  * Copyright (C) 1995-2006, Index Data ApS
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: srw.c,v 1.49 2006-10-24 08:07:02 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 YAZ_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 = yaz_srw_get_core_v_1_1(o);
 543
 544         if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveRequest"))
 545         {
 546             xmlNodePtr ptr = method->children;
 547             Z_SRW_searchRetrieveRequest *req;
 548
 549             (*p)->which = Z_SRW_searchRetrieve_request;
 550             req = (*p)->u.request = (Z_SRW_searchRetrieveRequest *)
 551                 odr_malloc(o, sizeof(*req));
 552             req->query_type = Z_SRW_query_type_cql;
 553             req->query.cql = 0;
 554             req->sort_type = Z_SRW_sort_type_none;
 555             req->sort.none = 0;
 556             req->startRecord = 0;
 557             req->maximumRecords = 0;
 558             req->recordSchema = 0;
 559             req->recordPacking = 0;
 560             req->recordXPath = 0;
 561             req->resultSetTTL = 0;
 562             req->stylesheet = 0;
 563             req->database = 0;
 564
 565             for (; ptr; ptr = ptr->next)
 566             {
 567                 if (match_xsd_string(ptr, "version", o,
 568                                      &(*p)->srw_version))
 569                     ;
 570                 else if (match_xsd_string(ptr, "query", o,
 571                                      &req->query.cql))
 572                     req->query_type = Z_SRW_query_type_cql;
 573                 else if (match_xsd_string(ptr, "pQuery", o,
 574                                      &req->query.pqf))
 575                     req->query_type = Z_SRW_query_type_pqf;
 576                 else if (match_xsd_string(ptr, "xQuery", o,
 577                                      &req->query.xcql))
 578                     req->query_type = Z_SRW_query_type_xcql;
 579                 else if (match_xsd_integer(ptr, "startRecord", o,
 580                                            &req->startRecord))
 581                     ;
 582                 else if (match_xsd_integer(ptr, "maximumRecords", o,
 583                                            &req->maximumRecords))
 584                     ;
 585                 else if (match_xsd_string(ptr, "recordPacking", o,
 586                                           &req->recordPacking))
 587                     ;
 588                 else if (match_xsd_string(ptr, "recordSchema", o,
 589                                           &req->recordSchema))
 590                     ;
 591                 else if (match_xsd_string(ptr, "recordXPath", o,
 592                                           &req->recordXPath))
 593                     ;
 594                 else if (match_xsd_integer(ptr, "resultSetTTL", o,
 595                                            &req->resultSetTTL))
 596                     ;
 597                 else if (match_xsd_string(ptr, "sortKeys", o,
 598                                           &req->sort.sortKeys))
 599                     req->sort_type = Z_SRW_sort_type_sort;
 600                 else if (match_xsd_string(ptr, "stylesheet", o,
 601                                            &req->stylesheet))
 602                     ;
 603                 else if (match_xsd_string(ptr, "database", o,
 604                                            &req->database))
 605                     ;
 606             }
 607             if (!req->query.cql && !req->query.pqf && !req->query.xcql)
 608             {
 609                 /* should put proper diagnostic here */
 610                 return -1;
 611             }
 612         }
 613         else if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveResponse"))
 614         {
 615             xmlNodePtr ptr = method->children;
 616             Z_SRW_searchRetrieveResponse *res;
 617
 618             (*p)->which = Z_SRW_searchRetrieve_response;
 619             res = (*p)->u.response = (Z_SRW_searchRetrieveResponse *)
 620                 odr_malloc(o, sizeof(*res));
 621
 622             res->numberOfRecords = 0;
 623             res->resultSetId = 0;
 624             res->resultSetIdleTime = 0;
 625             res->records = 0;
 626             res->num_records = 0;
 627             res->diagnostics = 0;
 628             res->num_diagnostics = 0;
 629             res->nextRecordPosition = 0;
 630
 631             for (; ptr; ptr = ptr->next)
 632             {
 633                 if (match_xsd_string(ptr, "version", o,
 634                                      &(*p)->srw_version))
 635                     ;
 636                 else if (match_xsd_integer(ptr, "numberOfRecords", o,
 637                                       &res->numberOfRecords))
 638                     ;
 639                 else if (match_xsd_string(ptr, "resultSetId", o,
 640                                           &res->resultSetId))
 641                     ;
 642                 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
 643                                            &res->resultSetIdleTime))
 644                     ;
 645                 else if (match_element(ptr, "records"))
 646                     yaz_srw_records(o, ptr, &res->records,
 647                                     &res->extra_records,
 648                                     &res->num_records, client_data, ns);
 649                 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
 650                                            &res->nextRecordPosition))
 651                     ;
 652                 else if (match_element(ptr, "diagnostics"))
 653                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 654                                         &res->num_diagnostics,
 655                                         client_data, ns);
 656             }
 657         }
 658         else if (!xmlStrcmp(method->name, BAD_CAST "explainRequest"))
 659         {
 660             Z_SRW_explainRequest *req;
 661             xmlNodePtr ptr = method->children;
 662
 663             (*p)->which = Z_SRW_explain_request;
 664             req = (*p)->u.explain_request = (Z_SRW_explainRequest *)
 665                 odr_malloc(o, sizeof(*req));
 666             req->recordPacking = 0;
 667             req->database = 0;
 668             req->stylesheet = 0;
 669             for (; ptr; ptr = ptr->next)
 670             {
 671                 if (match_xsd_string(ptr, "version", o,
 672                                            &(*p)->srw_version))
 673                     ;
 674                 else if (match_xsd_string(ptr, "stylesheet", o,
 675                                           &req->stylesheet))
 676                     ;
 677                 else if (match_xsd_string(ptr, "recordPacking", o,
 678                                      &req->recordPacking))
 679                     ;
 680                 else if (match_xsd_string(ptr, "database", o,
 681                                      &req->database))
 682                     ;
 683             }
 684         }
 685         else if (!xmlStrcmp(method->name, BAD_CAST "explainResponse"))
 686         {
 687             Z_SRW_explainResponse *res;
 688             xmlNodePtr ptr = method->children;
 689
 690             (*p)->which = Z_SRW_explain_response;
 691             res = (*p)->u.explain_response = (Z_SRW_explainResponse*)
 692                 odr_malloc(o, sizeof(*res));
 693             res->diagnostics = 0;
 694             res->num_diagnostics = 0;
 695             res->record.recordSchema = 0;
 696             res->record.recordData_buf = 0;
 697             res->record.recordData_len = 0;
 698             res->record.recordPosition = 0;
 699
 700             for (; ptr; ptr = ptr->next)
 701             {
 702                 if (match_xsd_string(ptr, "version", o,
 703                                            &(*p)->srw_version))
 704                     ;
 705                 else if (match_element(ptr, "record"))
 706                     yaz_srw_record(o, ptr, &res->record, &res->extra_record,
 707                                    client_data, ns);
 708                 else if (match_element(ptr, "diagnostics"))
 709                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 710                                         &res->num_diagnostics,
 711                                         client_data, ns);
 712                 ;
 713             }
 714         }
 715         else if (!xmlStrcmp(method->name, BAD_CAST "scanRequest"))
 716         {
 717             Z_SRW_scanRequest *req;
 718             xmlNodePtr ptr = method->children;
 719
 720             (*p)->which = Z_SRW_scan_request;
 721             req = (*p)->u.scan_request = (Z_SRW_scanRequest *)
 722                 odr_malloc(o, sizeof(*req));
 723             req->query_type = Z_SRW_query_type_cql;
 724             req->scanClause.cql = 0;
 725             req->responsePosition = 0;
 726             req->maximumTerms = 0;
 727             req->stylesheet = 0;
 728             req->database = 0;
 729
 730             for (; ptr; ptr = ptr->next)
 731             {
 732                 if (match_xsd_string(ptr, "version", o,
 733                                      &(*p)->srw_version))
 734                     ;
 735                 else if (match_xsd_string(ptr, "scanClause", o,
 736                                      &req->scanClause.cql))
 737                     ;
 738                 else if (match_xsd_string(ptr, "pScanClause", o,
 739                                           &req->scanClause.pqf))
 740                 {
 741                     req->query_type = Z_SRW_query_type_pqf;
 742                 }
 743                 else if (match_xsd_integer(ptr, "responsePosition", o,
 744                                            &req->responsePosition))
 745                     ;
 746                 else if (match_xsd_integer(ptr, "maximumTerms", o,
 747                                            &req->maximumTerms))
 748                     ;
 749                 else if (match_xsd_string(ptr, "stylesheet", o,
 750                                           &req->stylesheet))
 751                     ;
 752                 else if (match_xsd_string(ptr, "database", o,
 753                                           &req->database))
 754                     ;
 755             }
 756         }
 757         else if (!xmlStrcmp(method->name, BAD_CAST "scanResponse"))
 758         {
 759             Z_SRW_scanResponse *res;
 760             xmlNodePtr ptr = method->children;
 761
 762             (*p)->which = Z_SRW_scan_response;
 763             res = (*p)->u.scan_response = (Z_SRW_scanResponse *)
 764                 odr_malloc(o, sizeof(*res));
 765             res->terms = 0;
 766             res->num_terms = 0;
 767             res->diagnostics = 0;
 768             res->num_diagnostics = 0;
 769
 770             for (; ptr; ptr = ptr->next)
 771             {
 772                 if (match_xsd_string(ptr, "version", o,
 773                                      &(*p)->srw_version))
 774                     ;
 775                 else if (match_element(ptr, "terms"))
 776                     yaz_srw_terms(o, ptr, &res->terms,
 777                                   &res->num_terms, client_data,
 778                                   ns);
 779                 else if (match_element(ptr, "diagnostics"))
 780                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 781                                         &res->num_diagnostics,
 782                                         client_data, ns);
 783             }
 784         }
 785         else
 786         {
 787             *p = 0;
 788             return -1;
 789         }
 790     }
 791     else if (o->direction == ODR_ENCODE)
 792     {
 793         Z_SRW_PDU **p = handler_data;
 794         xmlNsPtr ns_srw;
 795
 796         if ((*p)->which == Z_SRW_searchRetrieve_request)
 797         {
 798             Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
 799             xmlNodePtr ptr = xmlNewChild(pptr, 0,
 800                                          BAD_CAST "searchRetrieveRequest", 0);
 801             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 802             xmlSetNs(ptr, ns_srw);
 803
 804             if ((*p)->srw_version)
 805                 add_xsd_string(ptr, "version", (*p)->srw_version);
 806             switch(req->query_type)
 807             {
 808             case Z_SRW_query_type_cql:
 809                 add_xsd_string(ptr, "query", req->query.cql);
 810                 break;
 811             case Z_SRW_query_type_xcql:
 812                 add_xsd_string(ptr, "xQuery", req->query.xcql);
 813                 break;
 814             case Z_SRW_query_type_pqf:
 815                 add_xsd_string(ptr, "pQuery", req->query.pqf);
 816                 break;
 817             }
 818             add_xsd_integer(ptr, "startRecord", req->startRecord);
 819             add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
 820             add_xsd_string(ptr, "recordPacking", req->recordPacking);
 821             add_xsd_string(ptr, "recordSchema", req->recordSchema);
 822             add_xsd_string(ptr, "recordXPath", req->recordXPath);
 823             add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
 824             switch(req->sort_type)
 825             {
 826             case Z_SRW_sort_type_none:
 827                 break;
 828             case Z_SRW_sort_type_sort:
 829                 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
 830                 break;
 831             case Z_SRW_sort_type_xSort:
 832                 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
 833                 break;
 834             }
 835             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 836             add_xsd_string(ptr, "database", req->database);
 837         }
 838         else if ((*p)->which == Z_SRW_searchRetrieve_response)
 839         {
 840             Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
 841             xmlNodePtr ptr = xmlNewChild(pptr, 0,
 842                                          BAD_CAST "searchRetrieveResponse", 0);
 843             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 844             xmlSetNs(ptr, ns_srw);
 845
 846             if ((*p)->srw_version)
 847                 add_xsd_string(ptr, "version", (*p)->srw_version);
 848             add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
 849             add_xsd_string(ptr, "resultSetId", res->resultSetId);
 850             add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
 851             if (res->num_records)
 852             {
 853                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "records", 0);
 854                 yaz_srw_records(o, rptr, &res->records, &res->extra_records,
 855                                 &res->num_records,
 856                                 client_data, ns);
 857             }
 858             add_xsd_integer(ptr, "nextRecordPosition",
 859                             res->nextRecordPosition);
 860             if (res->num_diagnostics)
 861             {
 862                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
 863                                               0);
 864                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 865                                     &res->num_diagnostics, client_data, ns);
 866             }
 867         }
 868         else if ((*p)->which == Z_SRW_explain_request)
 869         {
 870             Z_SRW_explainRequest *req = (*p)->u.explain_request;
 871             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest",
 872                                          0);
 873             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 874             xmlSetNs(ptr, ns_srw);
 875
 876             add_xsd_string(ptr, "version", (*p)->srw_version);
 877             add_xsd_string(ptr, "recordPacking", req->recordPacking);
 878             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 879             add_xsd_string(ptr, "database", req->database);
 880         }
 881         else if ((*p)->which == Z_SRW_explain_response)
 882         {
 883             Z_SRW_explainResponse *res = (*p)->u.explain_response;
 884             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse",
 885                                          0);
 886             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 887             xmlSetNs(ptr, ns_srw);
 888
 889             add_xsd_string(ptr, "version", (*p)->srw_version);
 890             if (1)
 891             {
 892                 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
 893                 yaz_srw_record(o, ptr1, &res->record, &res->extra_record,
 894                                client_data, ns);
 895             }
 896             if (res->num_diagnostics)
 897             {
 898                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
 899                                               0);
 900                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 901                                     &res->num_diagnostics, client_data, ns);
 902             }
 903         }
 904         else if ((*p)->which == Z_SRW_scan_request)
 905         {
 906             Z_SRW_scanRequest *req = (*p)->u.scan_request;
 907             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
 908             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 909             xmlSetNs(ptr, ns_srw);
 910
 911             add_xsd_string(ptr, "version", (*p)->srw_version);
 912             switch(req->query_type)
 913             {
 914             case Z_SRW_query_type_cql:
 915                 add_xsd_string(ptr, "scanClause", req->scanClause.cql);
 916                 break;
 917             case Z_SRW_query_type_pqf:
 918                 add_xsd_string(ptr, "pScanClause", req->scanClause.pqf);
 919                 break;
 920             }
 921             add_xsd_integer(ptr, "responsePosition", req->responsePosition);
 922             add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
 923             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 924             add_xsd_string(ptr, "database", req->database);
 925         }
 926         else if ((*p)->which == Z_SRW_scan_response)
 927         {
 928             Z_SRW_scanResponse *res = (*p)->u.scan_response;
 929             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
 930             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 931             xmlSetNs(ptr, ns_srw);
 932
 933             add_xsd_string(ptr, "version", (*p)->srw_version);
 934
 935             if (res->num_terms)
 936             {
 937                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "terms", 0);
 938                 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
 939                               client_data, ns);
 940             }
 941             if (res->num_diagnostics)
 942             {
 943                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
 944                                               0);
 945                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 946                                     &res->num_diagnostics, client_data, ns);
 947             }
 948         }
 949         else
 950             return -1;
 951
 952     }
 953     return 0;
 954 }
 955
 956 int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
 957                   void *client_data, const char *ns)
 958 {
 959     xmlNodePtr pptr = (xmlNodePtr) vptr;
 960     if (o->direction == ODR_DECODE)
 961     {
 962         Z_SRW_PDU **p = handler_data;
 963         xmlNodePtr method = pptr->children;
 964
 965         while (method && method->type == XML_TEXT_NODE)
 966             method = method->next;
 967
 968         if (!method)
 969             return -1;
 970         if (method->type != XML_ELEMENT_NODE)
 971             return -1;
 972
 973         *p = yaz_srw_get_core_v_1_1(o);
 974
 975         if (!xmlStrcmp(method->name, BAD_CAST "updateRequest"))
 976         {
 977             xmlNodePtr ptr = method->children;
 978             Z_SRW_updateRequest *req;
 979             char *oper = 0;
 980
 981             (*p)->which = Z_SRW_update_request;
 982             req = (*p)->u.update_request = (Z_SRW_updateRequest *)
 983                 odr_malloc(o, sizeof(*req));
 984             req->database = 0;
 985             req->operation = 0;
 986             req->recordId = 0;
 987             req->recordVersion = 0;
 988             req->recordOldVersion = 0;
 989             req->record.recordData_buf = 0;
 990             req->record.recordData_len = 0;
 991             req->record.recordSchema = 0;
 992             req->record.recordPacking = 0;
 993             req->extra_record = 0;
 994             req->extraRequestData = 0;
 995             req->stylesheet = 0;
 996
 997             for (; ptr; ptr = ptr->next)
 998             {
 999                 if (match_xsd_string(ptr, "version", o,
1000                                      &(*p)->srw_version))
1001                     ;
1002                 else if (match_xsd_string(ptr, "operation", o,
1003                                           &oper)){
1004                     if ( oper ){
1005                         if ( !strcmp(oper, "delete"))
1006                             req->operation = "delete";
1007                         else if (!strcmp(oper,"replace" ))
1008                             req->operation = "replace";
1009                         else if ( !strcmp( oper, "insert"))
1010                             req->operation = "insert";
1011                     }
1012                 }
1013                 else if (match_xsd_string(ptr, "recordId", o,
1014                                           &req->recordId))
1015                     ;
1016                 else if (match_xsd_string(ptr, "recordVersion", o,
1017                                           &req->recordVersion))
1018                     ;
1019                 else if (match_element(ptr, "record"))
1020                     yaz_srw_record(o, ptr, &req->record, &req->extra_record,
1021                                    client_data, ns);
1022                 else if (match_xsd_string(ptr, "stylesheet", o,
1023                                            &req->stylesheet))
1024                     ;
1025                 else if (match_xsd_string(ptr, "database", o,
1026                                            &req->database))
1027                     ;
1028             }
1029         }
1030         else if (!xmlStrcmp(method->name, BAD_CAST "updateResponse"))
1031         {
1032             xmlNodePtr ptr = method->children;
1033             Z_SRW_updateResponse *res;
1034
1035             (*p)->which = Z_SRW_update_response;
1036             res = (*p)->u.update_response = (Z_SRW_updateResponse *)
1037                 odr_malloc(o, sizeof(*res));
1038
1039             res->operationStatus = 0;
1040             res->recordId = 0;
1041             res->recordVersion = 0;
1042             res->recordChecksum = 0;
1043             res->diagnostics = 0;
1044             res->num_diagnostics = 0;
1045             res->record.recordData_buf = 0;
1046             res->record.recordData_len = 0;
1047             res->record.recordSchema = 0;
1048             res->record.recordPacking = 0;
1049             res->extra_record = 0;
1050             res->extraResponseData = 0;
1051
1052             for (; ptr; ptr = ptr->next)
1053             {
1054                 if (match_xsd_string(ptr, "version", o,
1055                                      &(*p)->srw_version))
1056                     ;
1057                 else if (match_xsd_string(ptr, "operationStatus", o,
1058                                       &res->operationStatus ))
1059                     ;
1060                 else if (match_xsd_string(ptr, "recordId", o,
1061                                           &res->recordId))
1062                     ;
1063                 else if (match_xsd_string(ptr, "recordVersion", o,
1064                                            &res->recordVersion ))
1065                     ;
1066                 else if (match_element(ptr, "record"))
1067                     yaz_srw_record(o, ptr, &res->record, &res->extra_record,
1068                                    client_data, ns);
1069                 else if (match_element(ptr, "diagnostics"))
1070                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1071                                         &res->num_diagnostics,
1072                                         client_data, ns);
1073             }
1074         }
1075         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateRequest"))
1076         {
1077         }
1078         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateResponse"))
1079         {
1080         }
1081         else
1082         {
1083             *p = 0;
1084             return -1;
1085         }
1086     }
1087     else if (o->direction == ODR_ENCODE)
1088     {
1089         Z_SRW_PDU **p = handler_data;
1090         xmlNsPtr ns_srw;
1091
1092         if ((*p)->which == Z_SRW_update_request)
1093         {
1094             Z_SRW_updateRequest *req = (*p)->u.update_request;
1095             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "updateRequest", 0);
1096             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zu");
1097             xmlSetNs(ptr, ns_srw);
1098
1099             add_xsd_string(ptr, "version", (*p)->srw_version);
1100             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1101             add_xsd_string(ptr, "database", req->database);
1102         }
1103         else if ((*p)->which == Z_SRW_update_response)
1104         {
1105             Z_SRW_updateResponse *res = (*p)->u.update_response;
1106             xmlNodePtr ptr = xmlNewChild(pptr, 0, (xmlChar *)
1107                                          "updateResponse", 0);
1108             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zu");
1109             xmlSetNs(ptr, ns_srw);
1110
1111             add_xsd_string(ptr, "version", (*p)->srw_version);
1112             add_xsd_string(ptr, "operationStatus", res->operationStatus );
1113             add_xsd_string(ptr, "recordId", res->recordId );
1114             if (res->recordVersion)
1115                 add_xsd_string(ptr, "recordVersion", res->recordVersion );
1116             if (res->recordChecksum)
1117                 add_xsd_string(ptr, "recordChecksum", res->recordChecksum );
1118             if (res->record.recordData_len)
1119             {
1120                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1121                 yaz_srw_record(o, rptr, &res->record, &res->extra_record,
1122                                client_data, ns);
1123             }
1124             if (res->num_diagnostics)
1125             {
1126                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics", 0);
1127                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1128                                     &res->num_diagnostics, client_data, ns);
1129             }
1130             if ( res->extraResponseData )
1131                 add_xsd_string(ptr, "extraResponseData", res->extraResponseData);
1132         }
1133         else
1134             return -1;
1135
1136     }
1137     return 0;
1138 }
1139
1140 #endif
1141
1142
1143 /*
1144  * Local variables:
1145  * c-basic-offset: 4
1146  * indent-tabs-mode: nil
1147  * End:
1148  * vim: shiftwidth=4 tabstop=8 expandtab
1149  */
1150