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 1.45 2006-05-07 14:31:30 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         (*p)->username = 0;
 545         (*p)->password = 0;
 546
 547         if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveRequest"))
 548         {
 549             xmlNodePtr ptr = method->children;
 550             Z_SRW_searchRetrieveRequest *req;
 551
 552             (*p)->which = Z_SRW_searchRetrieve_request;
 553             req = (*p)->u.request = (Z_SRW_searchRetrieveRequest *)
 554                 odr_malloc(o, sizeof(*req));
 555             req->query_type = Z_SRW_query_type_cql;
 556             req->query.cql = 0;
 557             req->sort_type = Z_SRW_sort_type_none;
 558             req->sort.none = 0;
 559             req->startRecord = 0;
 560             req->maximumRecords = 0;
 561             req->recordSchema = 0;
 562             req->recordPacking = 0;
 563             req->recordXPath = 0;
 564             req->resultSetTTL = 0;
 565             req->stylesheet = 0;
 566             req->database = 0;
 567
 568             for (; ptr; ptr = ptr->next)
 569             {
 570                 if (match_xsd_string(ptr, "version", o,
 571                                      &(*p)->srw_version))
 572                     ;
 573                 else if (match_xsd_string(ptr, "query", o,
 574                                      &req->query.cql))
 575                     req->query_type = Z_SRW_query_type_cql;
 576                 else if (match_xsd_string(ptr, "pQuery", o,
 577                                      &req->query.pqf))
 578                     req->query_type = Z_SRW_query_type_pqf;
 579                 else if (match_xsd_string(ptr, "xQuery", o,
 580                                      &req->query.xcql))
 581                     req->query_type = Z_SRW_query_type_xcql;
 582                 else if (match_xsd_integer(ptr, "startRecord", o,
 583                                            &req->startRecord))
 584                     ;
 585                 else if (match_xsd_integer(ptr, "maximumRecords", o,
 586                                            &req->maximumRecords))
 587                     ;
 588                 else if (match_xsd_string(ptr, "recordPacking", o,
 589                                           &req->recordPacking))
 590                     ;
 591                 else if (match_xsd_string(ptr, "recordSchema", o,
 592                                           &req->recordSchema))
 593                     ;
 594                 else if (match_xsd_string(ptr, "recordXPath", o,
 595                                           &req->recordXPath))
 596                     ;
 597                 else if (match_xsd_integer(ptr, "resultSetTTL", o,
 598                                            &req->resultSetTTL))
 599                     ;
 600                 else if (match_xsd_string(ptr, "sortKeys", o,
 601                                           &req->sort.sortKeys))
 602                     req->sort_type = Z_SRW_sort_type_sort;
 603                 else if (match_xsd_string(ptr, "stylesheet", o,
 604                                            &req->stylesheet))
 605                     ;
 606                 else if (match_xsd_string(ptr, "database", o,
 607                                            &req->database))
 608                     ;
 609             }
 610         }
 611         else if (!xmlStrcmp(method->name, BAD_CAST "searchRetrieveResponse"))
 612         {
 613             xmlNodePtr ptr = method->children;
 614             Z_SRW_searchRetrieveResponse *res;
 615
 616             (*p)->which = Z_SRW_searchRetrieve_response;
 617             res = (*p)->u.response = (Z_SRW_searchRetrieveResponse *)
 618                 odr_malloc(o, sizeof(*res));
 619
 620             res->numberOfRecords = 0;
 621             res->resultSetId = 0;
 622             res->resultSetIdleTime = 0;
 623             res->records = 0;
 624             res->num_records = 0;
 625             res->diagnostics = 0;
 626             res->num_diagnostics = 0;
 627             res->nextRecordPosition = 0;
 628
 629             for (; ptr; ptr = ptr->next)
 630             {
 631                 if (match_xsd_string(ptr, "version", o,
 632                                      &(*p)->srw_version))
 633                     ;
 634                 else if (match_xsd_integer(ptr, "numberOfRecords", o,
 635                                       &res->numberOfRecords))
 636                     ;
 637                 else if (match_xsd_string(ptr, "resultSetId", o,
 638                                           &res->resultSetId))
 639                     ;
 640                 else if (match_xsd_integer(ptr, "resultSetIdleTime", o,
 641                                            &res->resultSetIdleTime))
 642                     ;
 643                 else if (match_element(ptr, "records"))
 644                     yaz_srw_records(o, ptr, &res->records,
 645                                     &res->extra_records,
 646                                     &res->num_records, client_data, ns);
 647                 else if (match_xsd_integer(ptr, "nextRecordPosition", o,
 648                                            &res->nextRecordPosition))
 649                     ;
 650                 else if (match_element(ptr, "diagnostics"))
 651                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 652                                         &res->num_diagnostics,
 653                                         client_data, ns);
 654             }
 655         }
 656         else if (!xmlStrcmp(method->name, BAD_CAST "explainRequest"))
 657         {
 658             Z_SRW_explainRequest *req;
 659             xmlNodePtr ptr = method->children;
 660
 661             (*p)->which = Z_SRW_explain_request;
 662             req = (*p)->u.explain_request = (Z_SRW_explainRequest *)
 663                 odr_malloc(o, sizeof(*req));
 664             req->recordPacking = 0;
 665             req->database = 0;
 666             req->stylesheet = 0;
 667             for (; ptr; ptr = ptr->next)
 668             {
 669                 if (match_xsd_string(ptr, "version", o,
 670                                            &(*p)->srw_version))
 671                     ;
 672                 else if (match_xsd_string(ptr, "stylesheet", o,
 673                                           &req->stylesheet))
 674                     ;
 675                 else if (match_xsd_string(ptr, "recordPacking", o,
 676                                      &req->recordPacking))
 677                     ;
 678                 else if (match_xsd_string(ptr, "database", o,
 679                                      &req->database))
 680                     ;
 681             }
 682         }
 683         else if (!xmlStrcmp(method->name, BAD_CAST "explainResponse"))
 684         {
 685             Z_SRW_explainResponse *res;
 686             xmlNodePtr ptr = method->children;
 687
 688             (*p)->which = Z_SRW_explain_response;
 689             res = (*p)->u.explain_response = (Z_SRW_explainResponse*)
 690                 odr_malloc(o, sizeof(*res));
 691             res->diagnostics = 0;
 692             res->num_diagnostics = 0;
 693             res->record.recordSchema = 0;
 694             res->record.recordData_buf = 0;
 695             res->record.recordData_len = 0;
 696             res->record.recordPosition = 0;
 697
 698             for (; ptr; ptr = ptr->next)
 699             {
 700                 if (match_xsd_string(ptr, "version", o,
 701                                            &(*p)->srw_version))
 702                     ;
 703                 else if (match_element(ptr, "record"))
 704                     yaz_srw_record(o, ptr, &res->record, &res->extra_record,
 705                                    client_data, ns);
 706                 else if (match_element(ptr, "diagnostics"))
 707                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 708                                         &res->num_diagnostics,
 709                                         client_data, ns);
 710                 ;
 711             }
 712         }
 713         else if (!xmlStrcmp(method->name, BAD_CAST "scanRequest"))
 714         {
 715             Z_SRW_scanRequest *req;
 716             xmlNodePtr ptr = method->children;
 717
 718             (*p)->which = Z_SRW_scan_request;
 719             req = (*p)->u.scan_request = (Z_SRW_scanRequest *)
 720                 odr_malloc(o, sizeof(*req));
 721             req->query_type = Z_SRW_query_type_cql;
 722             req->scanClause.cql = 0;
 723             req->responsePosition = 0;
 724             req->maximumTerms = 0;
 725             req->stylesheet = 0;
 726             req->database = 0;
 727
 728             for (; ptr; ptr = ptr->next)
 729             {
 730                 if (match_xsd_string(ptr, "version", o,
 731                                      &(*p)->srw_version))
 732                     ;
 733                 else if (match_xsd_string(ptr, "scanClause", o,
 734                                      &req->scanClause.cql))
 735                     ;
 736                 else if (match_xsd_string(ptr, "pScanClause", o,
 737                                           &req->scanClause.pqf))
 738                 {
 739                     req->query_type = Z_SRW_query_type_pqf;
 740                 }
 741                 else if (match_xsd_integer(ptr, "responsePosition", o,
 742                                            &req->responsePosition))
 743                     ;
 744                 else if (match_xsd_integer(ptr, "maximumTerms", o,
 745                                            &req->maximumTerms))
 746                     ;
 747                 else if (match_xsd_string(ptr, "stylesheet", o,
 748                                           &req->stylesheet))
 749                     ;
 750                 else if (match_xsd_string(ptr, "database", o,
 751                                           &req->database))
 752                     ;
 753             }
 754         }
 755         else if (!xmlStrcmp(method->name, BAD_CAST "scanResponse"))
 756         {
 757             Z_SRW_scanResponse *res;
 758             xmlNodePtr ptr = method->children;
 759
 760             (*p)->which = Z_SRW_scan_response;
 761             res = (*p)->u.scan_response = (Z_SRW_scanResponse *)
 762                 odr_malloc(o, sizeof(*res));
 763             res->terms = 0;
 764             res->num_terms = 0;
 765             res->diagnostics = 0;
 766             res->num_diagnostics = 0;
 767
 768             for (; ptr; ptr = ptr->next)
 769             {
 770                 if (match_xsd_string(ptr, "version", o,
 771                                      &(*p)->srw_version))
 772                     ;
 773                 else if (match_element(ptr, "terms"))
 774                     yaz_srw_terms(o, ptr, &res->terms,
 775                                   &res->num_terms, client_data,
 776                                   ns);
 777                 else if (match_element(ptr, "diagnostics"))
 778                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
 779                                         &res->num_diagnostics,
 780                                         client_data, ns);
 781             }
 782         }
 783         else
 784         {
 785             *p = 0;
 786             return -1;
 787         }
 788     }
 789     else if (o->direction == ODR_ENCODE)
 790     {
 791         Z_SRW_PDU **p = handler_data;
 792         xmlNsPtr ns_srw;
 793
 794         if ((*p)->which == Z_SRW_searchRetrieve_request)
 795         {
 796             Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
 797             xmlNodePtr ptr = xmlNewChild(pptr, 0,
 798                                          BAD_CAST "searchRetrieveRequest", 0);
 799             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 800             xmlSetNs(ptr, ns_srw);
 801
 802             if ((*p)->srw_version)
 803                 add_xsd_string(ptr, "version", (*p)->srw_version);
 804             switch(req->query_type)
 805             {
 806             case Z_SRW_query_type_cql:
 807                 add_xsd_string(ptr, "query", req->query.cql);
 808                 break;
 809             case Z_SRW_query_type_xcql:
 810                 add_xsd_string(ptr, "xQuery", req->query.xcql);
 811                 break;
 812             case Z_SRW_query_type_pqf:
 813                 add_xsd_string(ptr, "pQuery", req->query.pqf);
 814                 break;
 815             }
 816             add_xsd_integer(ptr, "startRecord", req->startRecord);
 817             add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
 818             add_xsd_string(ptr, "recordPacking", req->recordPacking);
 819             add_xsd_string(ptr, "recordSchema", req->recordSchema);
 820             add_xsd_string(ptr, "recordXPath", req->recordXPath);
 821             add_xsd_integer(ptr, "resultSetTTL", req->resultSetTTL);
 822             switch(req->sort_type)
 823             {
 824             case Z_SRW_sort_type_none:
 825                 break;
 826             case Z_SRW_sort_type_sort:
 827                 add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
 828                 break;
 829             case Z_SRW_sort_type_xSort:
 830                 add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
 831                 break;
 832             }
 833             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 834             add_xsd_string(ptr, "database", req->database);
 835         }
 836         else if ((*p)->which == Z_SRW_searchRetrieve_response)
 837         {
 838             Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
 839             xmlNodePtr ptr = xmlNewChild(pptr, 0,
 840                                          BAD_CAST "searchRetrieveResponse", 0);
 841             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 842             xmlSetNs(ptr, ns_srw);
 843
 844             if ((*p)->srw_version)
 845                 add_xsd_string(ptr, "version", (*p)->srw_version);
 846             add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
 847             add_xsd_string(ptr, "resultSetId", res->resultSetId);
 848             add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
 849             if (res->num_records)
 850             {
 851                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "records", 0);
 852                 yaz_srw_records(o, rptr, &res->records, &res->extra_records,
 853                                 &res->num_records,
 854                                 client_data, ns);
 855             }
 856             add_xsd_integer(ptr, "nextRecordPosition",
 857                             res->nextRecordPosition);
 858             if (res->num_diagnostics)
 859             {
 860                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
 861                                               0);
 862                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 863                                     &res->num_diagnostics, client_data, ns);
 864             }
 865         }
 866         else if ((*p)->which == Z_SRW_explain_request)
 867         {
 868             Z_SRW_explainRequest *req = (*p)->u.explain_request;
 869             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest",
 870                                          0);
 871             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 872             xmlSetNs(ptr, ns_srw);
 873
 874             add_xsd_string(ptr, "version", (*p)->srw_version);
 875             add_xsd_string(ptr, "recordPacking", req->recordPacking);
 876             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 877             add_xsd_string(ptr, "database", req->database);
 878         }
 879         else if ((*p)->which == Z_SRW_explain_response)
 880         {
 881             Z_SRW_explainResponse *res = (*p)->u.explain_response;
 882             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse",
 883                                          0);
 884             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 885             xmlSetNs(ptr, ns_srw);
 886
 887             add_xsd_string(ptr, "version", (*p)->srw_version);
 888             if (1)
 889             {
 890                 xmlNodePtr ptr1 = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
 891                 yaz_srw_record(o, ptr1, &res->record, &res->extra_record,
 892                                client_data, ns);
 893             }
 894             if (res->num_diagnostics)
 895             {
 896                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
 897                                               0);
 898                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 899                                     &res->num_diagnostics, client_data, ns);
 900             }
 901         }
 902         else if ((*p)->which == Z_SRW_scan_request)
 903         {
 904             Z_SRW_scanRequest *req = (*p)->u.scan_request;
 905             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
 906             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 907             xmlSetNs(ptr, ns_srw);
 908
 909             add_xsd_string(ptr, "version", (*p)->srw_version);
 910             switch(req->query_type)
 911             {
 912             case Z_SRW_query_type_cql:
 913                 add_xsd_string(ptr, "scanClause", req->scanClause.cql);
 914                 break;
 915             case Z_SRW_query_type_pqf:
 916                 add_xsd_string(ptr, "pScanClause", req->scanClause.pqf);
 917                 break;
 918             }
 919             add_xsd_integer(ptr, "responsePosition", req->responsePosition);
 920             add_xsd_integer(ptr, "maximumTerms", req->maximumTerms);
 921             add_xsd_string(ptr, "stylesheet", req->stylesheet);
 922             add_xsd_string(ptr, "database", req->database);
 923         }
 924         else if ((*p)->which == Z_SRW_scan_response)
 925         {
 926             Z_SRW_scanResponse *res = (*p)->u.scan_response;
 927             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
 928             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
 929             xmlSetNs(ptr, ns_srw);
 930
 931             add_xsd_string(ptr, "version", (*p)->srw_version);
 932
 933             if (res->num_terms)
 934             {
 935                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "terms", 0);
 936                 yaz_srw_terms(o, rptr, &res->terms, &res->num_terms,
 937                               client_data, ns);
 938             }
 939             if (res->num_diagnostics)
 940             {
 941                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics",
 942                                               0);
 943                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
 944                                     &res->num_diagnostics, client_data, ns);
 945             }
 946         }
 947         else
 948             return -1;
 949
 950     }
 951     return 0;
 952 }
 953
 954 int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
 955                   void *client_data, const char *ns)
 956 {
 957     xmlNodePtr pptr = (xmlNodePtr) vptr;
 958     if (o->direction == ODR_DECODE)
 959     {
 960         Z_SRW_PDU **p = handler_data;
 961         xmlNodePtr method = pptr->children;
 962
 963         while (method && method->type == XML_TEXT_NODE)
 964             method = method->next;
 965
 966         if (!method)
 967             return -1;
 968         if (method->type != XML_ELEMENT_NODE)
 969             return -1;
 970
 971         *p = (Z_SRW_PDU *) odr_malloc(o, sizeof(**p));
 972         (*p)->srw_version = odr_strdup(o, "1.1");
 973
 974         if (!xmlStrcmp(method->name, BAD_CAST "updateRequest"))
 975         {
 976             xmlNodePtr ptr = method->children;
 977             Z_SRW_updateRequest *req;
 978             char *oper = 0;
 979
 980             (*p)->which = Z_SRW_update_request;
 981             req = (*p)->u.update_request = (Z_SRW_updateRequest *)
 982                 odr_malloc(o, sizeof(*req));
 983             req->database = 0;
 984             req->operation = 0;
 985             req->recordId = 0;
 986             req->recordVersion = 0;
 987             req->recordOldVersion = 0;
 988             req->record.recordData_buf = 0;
 989             req->record.recordData_len = 0;
 990             req->record.recordSchema = 0;
 991             req->record.recordPacking = 0;
 992             req->extra_record = 0;
 993             req->extraRequestData = 0;
 994             req->stylesheet = 0;
 995
 996             for (; ptr; ptr = ptr->next)
 997             {
 998                 if (match_xsd_string(ptr, "version", o,
 999                                      &(*p)->srw_version))
1000                     ;
1001                 else if (match_xsd_string(ptr, "operation", o,
1002                                           &oper)){
1003                     if ( oper ){
1004                         if ( !strcmp(oper, "delete"))
1005                             req->operation = "delete";
1006                         else if (!strcmp(oper,"replace" ))
1007                             req->operation = "replace";
1008                         else if ( !strcmp( oper, "insert"))
1009                             req->operation = "insert";
1010                     }
1011                 }
1012                 else if (match_xsd_string(ptr, "recordId", o,
1013                                           &req->recordId))
1014                     ;
1015                 else if (match_xsd_string(ptr, "recordVersion", o,
1016                                           &req->recordVersion))
1017                     ;
1018                 else if (match_element(ptr, "record"))
1019                     yaz_srw_record(o, ptr, &req->record, &req->extra_record,
1020                                    client_data, ns);
1021                 else if (match_xsd_string(ptr, "stylesheet", o,
1022                                            &req->stylesheet))
1023                     ;
1024                 else if (match_xsd_string(ptr, "database", o,
1025                                            &req->database))
1026                     ;
1027             }
1028         }
1029         else if (!xmlStrcmp(method->name, BAD_CAST "updateResponse"))
1030         {
1031             xmlNodePtr ptr = method->children;
1032             Z_SRW_updateResponse *res;
1033
1034             (*p)->which = Z_SRW_update_response;
1035             res = (*p)->u.update_response = (Z_SRW_updateResponse *)
1036                 odr_malloc(o, sizeof(*res));
1037
1038             res->operationStatus = 0;
1039             res->recordId = 0;
1040             res->recordVersion = 0;
1041             res->recordChecksum = 0;
1042             res->diagnostics = 0;
1043             res->num_diagnostics = 0;
1044             res->record.recordData_buf = 0;
1045             res->record.recordData_len = 0;
1046             res->record.recordSchema = 0;
1047             res->record.recordPacking = 0;
1048             res->extra_record = 0;
1049             res->extraResponseData = 0;
1050
1051             for (; ptr; ptr = ptr->next)
1052             {
1053                 if (match_xsd_string(ptr, "version", o,
1054                                      &(*p)->srw_version))
1055                     ;
1056                 else if (match_xsd_string(ptr, "operationStatus", o,
1057                                       &res->operationStatus ))
1058                     ;
1059                 else if (match_xsd_string(ptr, "recordId", o,
1060                                           &res->recordId))
1061                     ;
1062                 else if (match_xsd_string(ptr, "recordVersion", o,
1063                                            &res->recordVersion ))
1064                     ;
1065                 else if (match_element(ptr, "record"))
1066                     yaz_srw_record(o, ptr, &res->record, &res->extra_record,
1067                                    client_data, ns);
1068                 else if (match_element(ptr, "diagnostics"))
1069                     yaz_srw_diagnostics(o, ptr, &res->diagnostics,
1070                                         &res->num_diagnostics,
1071                                         client_data, ns);
1072             }
1073         }
1074         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateRequest"))
1075         {
1076         }
1077         else if (!xmlStrcmp(method->name, BAD_CAST "explainUpdateResponse"))
1078         {
1079         }
1080         else
1081         {
1082             *p = 0;
1083             return -1;
1084         }
1085     }
1086     else if (o->direction == ODR_ENCODE)
1087     {
1088         Z_SRW_PDU **p = handler_data;
1089         xmlNsPtr ns_srw;
1090
1091         if ((*p)->which == Z_SRW_update_request)
1092         {
1093             Z_SRW_updateRequest *req = (*p)->u.update_request;
1094             xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "updateRequest", 0);
1095             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zu");
1096             xmlSetNs(ptr, ns_srw);
1097
1098             add_xsd_string(ptr, "version", (*p)->srw_version);
1099             add_xsd_string(ptr, "stylesheet", req->stylesheet);
1100             add_xsd_string(ptr, "database", req->database);
1101         }
1102         else if ((*p)->which == Z_SRW_update_response)
1103         {
1104             Z_SRW_updateResponse *res = (*p)->u.update_response;
1105             xmlNodePtr ptr = xmlNewChild(pptr, 0, (xmlChar *)
1106                                          "updateResponse", 0);
1107             ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zu");
1108             xmlSetNs(ptr, ns_srw);
1109
1110             add_xsd_string(ptr, "version", (*p)->srw_version);
1111             add_xsd_string(ptr, "operationStatus", res->operationStatus );
1112             add_xsd_string(ptr, "recordId", res->recordId );
1113             if (res->recordVersion)
1114                 add_xsd_string(ptr, "recordVersion", res->recordVersion );
1115             if (res->recordChecksum)
1116                 add_xsd_string(ptr, "recordChecksum", res->recordChecksum );
1117             if (res->record.recordData_len)
1118             {
1119                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "record", 0);
1120                 yaz_srw_record(o, rptr, &res->record, &res->extra_record,
1121                                client_data, ns);
1122             }
1123             if (res->num_diagnostics)
1124             {
1125                 xmlNodePtr rptr = xmlNewChild(ptr, 0, BAD_CAST "diagnostics", 0);
1126                 yaz_srw_diagnostics(o, rptr, &res->diagnostics,
1127                                     &res->num_diagnostics, client_data, ns);
1128             }
1129             if ( res->extraResponseData )
1130                 add_xsd_string(ptr, "extraResponseData", res->extraResponseData);
1131         }
1132         else
1133             return -1;
1134
1135     }
1136     return 0;
1137 }
1138
1139 #endif
1140
1141
1142 /*
1143  * Local variables:
1144  * c-basic-offset: 4
1145  * indent-tabs-mode: nil
1146  * End:
1147  * vim: shiftwidth=4 tabstop=8 expandtab
1148  */
1149