webcit/subst.c

   1 /*
   2  * $Id$
   3  */
   4 /**
   5  * \defgroup Subst Variable substitution type stuff
   6  * \ingroup CitadelConfig
   7  */
   8
   9 /*@{*/
  10
  11 #include "sysdep.h"
  12 #include <sys/types.h>
  13 #include <sys/stat.h>
  14 #include <unistd.h>
  15 #include <dirent.h>
  16 #include <errno.h>
  17 #include <stdarg.h>
  18 #define SHOW_ME_VAPPEND_PRINTF
  19
  20 #include "webcit.h"
  21 #include "webserver.h"
  22
  23 extern char *static_dirs[PATH_MAX];  /**< Disk representation */
  24
  25 HashList *WirelessTemplateCache;
  26 HashList *WirelessLocalTemplateCache;
  27 HashList *TemplateCache;
  28 HashList *LocalTemplateCache;
  29
  30 HashList *GlobalNS;
  31 HashList *Iterators;
  32 HashList *Contitionals;
  33
  34 int LoadTemplates = 0;
  35
  36 #define SV_GETTEXT 1
  37 #define SV_CONDITIONAL 2
  38 #define SV_NEG_CONDITIONAL 3
  39 #define SV_CUST_STR_CONDITIONAL 4
  40 #define SV_SUBTEMPL 5
  41
  42 typedef struct _WCTemplate {
  43         StrBuf *Data;
  44         StrBuf *FileName;
  45         int nTokensUsed;
  46         int TokenSpace;
  47         WCTemplateToken **Tokens;
  48 } WCTemplate;
  49
  50 typedef struct _HashHandler {
  51         int nMinArgs;
  52         int nMaxArgs;
  53         WCHandlerFunc HandlerFunc;
  54 }HashHandler;
  55
  56 void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere);
  57
  58 void RegisterNS(const char *NSName, long len, int nMinArgs, int nMaxArgs, WCHandlerFunc HandlerFunc)
  59 {
  60         HashHandler *NewHandler;
  61
  62         NewHandler = (HashHandler*) malloc(sizeof(HashHandler));
  63         NewHandler->nMinArgs = nMinArgs;
  64         NewHandler->nMaxArgs = nMaxArgs;
  65         NewHandler->HandlerFunc = HandlerFunc;
  66         Put(GlobalNS, NSName, len, NewHandler, NULL);
  67 }
  68
  69
  70 /**
  71  * \brief debugging function to print array to log
  72  */
  73 void VarPrintTransition(void *vVar1, void *vVar2, int odd){}
  74 /**
  75  * \brief debugging function to print array to log
  76  */
  77 void VarPrintEntry(const char *Key, void *vSubst, int odd)
  78 {
  79         wcsubst *ptr;
  80         lprintf(1,"Subst[%s] : ", Key);
  81         ptr = (wcsubst*) vSubst;
  82
  83         switch(ptr->wcs_type) {
  84         case WCS_STRING:
  85                 lprintf(1, "  -> %s\n", ChrPtr(ptr->wcs_value));
  86                 break;
  87         case WCS_SERVCMD:
  88                 lprintf(1, "  -> Server [%s]\n", ChrPtr(ptr->wcs_value));
  89                 break;
  90         case WCS_FUNCTION:
  91                 lprintf(1, "  -> function at [%0xd]\n", ptr->wcs_function);
  92                 break;
  93         default:
  94                 lprintf(1,"  WARNING: invalid type: [%ld]!\n", ptr->wcs_type);
  95         }
  96 }
  97
  98
  99
 100 /**
 101  * \brief Clear out the list of substitution variables local to this session
 102  */
 103 void clear_substs(struct wcsession *wc) {
 104
 105         if (wc->vars != NULL) {
 106                 DeleteHash(&wc->vars);
 107         }
 108 }
 109
 110 /**
 111  * \brief Clear out the list of substitution variables local to this session
 112  */
 113 void clear_local_substs(void) {
 114         clear_substs (WC);
 115 }
 116
 117 int NeedNewBuf(type)
 118 {
 119         switch(type) {
 120         case WCS_STRING:
 121         case WCS_SERVCMD:
 122         case WCS_STRBUF:
 123                 return 1;
 124         case WCS_FUNCTION:
 125         case WCS_STRBUF_REF:
 126         case WCS_LONG:
 127         default:
 128                 return 0;
 129         }
 130 }
 131
 132 void FlushPayload(wcsubst *ptr, int reusestrbuf, int type)
 133 {
 134         int NeedNew = NeedNewBuf(type);
 135         switch(ptr->wcs_type) {
 136         case WCS_STRING:
 137         case WCS_SERVCMD:
 138         case WCS_STRBUF:
 139                 if (reusestrbuf && NeedNew) {
 140                         FlushStrBuf(ptr->wcs_value);
 141                 }
 142                 else {
 143
 144                         FreeStrBuf(&ptr->wcs_value);
 145                         ptr->wcs_value = NULL;
 146                 }
 147                 break;
 148         case WCS_FUNCTION:
 149                 ptr->wcs_function = NULL;
 150                 if (reusestrbuf && NeedNew)
 151                         ptr->wcs_value = NewStrBuf();
 152                 break;
 153         case WCS_STRBUF_REF:
 154                 ptr->wcs_value = NULL;
 155                 if (reusestrbuf && NeedNew)
 156                         ptr->wcs_value = NewStrBuf();
 157                 break;
 158         case WCS_LONG:
 159                 ptr->lvalue = 0;
 160                 if (reusestrbuf && NeedNew)
 161                         ptr->wcs_value = NewStrBuf();
 162                 break;
 163         default:
 164                 if (reusestrbuf && NeedNew)
 165                         ptr->wcs_value = NewStrBuf();
 166                 break;
 167         }
 168 }
 169
 170
 171 /**
 172  * \brief destructor; kill one entry.
 173  */
 174 void deletevar(void *data)
 175 {
 176         wcsubst *ptr = (wcsubst*)data;
 177         FlushPayload(ptr, 0, ptr->wcs_type);
 178         free(ptr);
 179 }
 180
 181
 182 wcsubst *NewSubstVar(const char *keyname, int keylen, int type)
 183 {
 184         wcsubst* ptr;
 185         struct wcsession *WCC = WC;
 186
 187         ptr = (wcsubst *) malloc(sizeof(wcsubst));
 188         memset(ptr, 0, sizeof(wcsubst));
 189
 190         ptr->wcs_type = type;
 191         safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
 192         Put(WCC->vars, keyname, keylen, ptr,  deletevar);
 193
 194         switch(ptr->wcs_type) {
 195         case WCS_STRING:
 196         case WCS_SERVCMD:
 197                 ptr->wcs_value = NewStrBuf();
 198                 break;
 199         case WCS_STRBUF:
 200         case WCS_FUNCTION:
 201         case WCS_STRBUF_REF:
 202         case WCS_LONG:
 203         default:
 204                 break;
 205         }
 206         return ptr;
 207 }
 208
 209
 210 /**
 211  * \brief Add a substitution variable (local to this session) (strlen version...)
 212  * \param keyname the replacementstring to substitute
 213  * \param keytype the kind of the key
 214  * \param format the format string ala printf
 215  * \param ... the arguments to substitute in the formatstring
 216  */
 217 void SVPRINTF(char *keyname, int keytype, const char *format,...)
 218 {
 219         va_list arg_ptr;
 220         void *vPtr;
 221         wcsubst *ptr = NULL;
 222         size_t keylen;
 223         struct wcsession *WCC = WC;
 224
 225         keylen = strlen(keyname);
 226         /**
 227          * First look if we're doing a replacement of
 228          * an existing key
 229          */
 230         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 231         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 232                 ptr = (wcsubst*)vPtr;
 233                 FlushPayload(ptr, keytype, keytype);
 234                 ptr->wcs_type = keytype;
 235         }
 236         else    /** Otherwise allocate a new one */
 237         {
 238                 ptr = NewSubstVar(keyname, keylen, keytype);
 239         }
 240
 241         /** Format the string */
 242         va_start(arg_ptr, format);
 243         StrBufVAppendPrintf(ptr->wcs_value, format, arg_ptr);
 244         va_end(arg_ptr);
 245 }
 246
 247 /**
 248  * \brief Add a substitution variable (local to this session)
 249  * \param keyname the replacementstring to substitute
 250  * \param keytype the kind of the key
 251  * \param format the format string ala printf
 252  * \param ... the arguments to substitute in the formatstring
 253  */
 254 void svprintf(char *keyname, size_t keylen, int keytype, const char *format,...)
 255 {
 256         va_list arg_ptr;
 257         void *vPtr;
 258         wcsubst *ptr = NULL;
 259         struct wcsession *WCC = WC;
 260
 261         /**
 262          * First look if we're doing a replacement of
 263          * an existing key
 264          */
 265         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 266         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 267                 ptr = (wcsubst*)vPtr;
 268                 FlushPayload(ptr, 1, keytype);
 269                 ptr->wcs_type = keytype;
 270         }
 271         else    /** Otherwise allocate a new one */
 272         {
 273                 ptr = NewSubstVar(keyname, keylen, keytype);
 274         }
 275
 276         /** Format the string and save it */
 277         va_start(arg_ptr, format);
 278         StrBufVAppendPrintf(ptr->wcs_value, format, arg_ptr);
 279         va_end(arg_ptr);
 280 }
 281
 282 /**
 283  * \brief Add a substitution variable (local to this session)
 284  * \param keyname the replacementstring to substitute
 285  * \param keytype the kind of the key
 286  * \param format the format string ala printf
 287  * \param ... the arguments to substitute in the formatstring
 288  */
 289 void SVPut(char *keyname, size_t keylen, int keytype, char *Data)
 290 {
 291         void *vPtr;
 292         wcsubst *ptr = NULL;
 293         struct wcsession *WCC = WC;
 294
 295
 296         /**
 297          * First look if we're doing a replacement of
 298          * an existing key
 299          */
 300         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 301         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 302                 ptr = (wcsubst*)vPtr;
 303                 FlushPayload(ptr, 1, keytype);
 304                 ptr->wcs_type = keytype;
 305         }
 306         else    /** Otherwise allocate a new one */
 307         {
 308                 ptr = NewSubstVar(keyname, keylen, keytype);
 309         }
 310         StrBufAppendBufPlain(ptr->wcs_value, Data, -1, 0);
 311 }
 312
 313 /**
 314  * \brief Add a substitution variable (local to this session)
 315  * \param keyname the replacementstring to substitute
 316  * \param keytype the kind of the key
 317  * \param format the format string ala printf
 318  * \param ... the arguments to substitute in the formatstring
 319  */
 320 void SVPutLong(char *keyname, size_t keylen, long Data)
 321 {
 322         void *vPtr;
 323         wcsubst *ptr = NULL;
 324         struct wcsession *WCC = WC;
 325
 326
 327         /**
 328          * First look if we're doing a replacement of
 329          * an existing key
 330          */
 331         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 332         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 333                 ptr = (wcsubst*)vPtr;
 334                 FlushPayload(ptr, 1, WCS_LONG);
 335                 ptr->wcs_type = WCS_LONG;
 336         }
 337         else    /** Otherwise allocate a new one */
 338         {
 339                 ptr = NewSubstVar(keyname, keylen, WCS_LONG);
 340         }
 341         ptr->lvalue = Data;
 342 }
 343
 344 /**
 345  * \brief Add a substitution variable (local to this session) that does a callback
 346  * \param keyname the keystring to substitute
 347  * \param fcn_ptr the function callback to give the substitution string
 348  */
 349 void SVCallback(char *keyname, size_t keylen, var_callback_fptr fcn_ptr)
 350 {
 351         wcsubst *ptr;
 352         void *vPtr;
 353         struct wcsession *WCC = WC;
 354
 355         /**
 356          * First look if we're doing a replacement of
 357          * an existing key
 358          */
 359         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 360         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 361                 ptr = (wcsubst*)vPtr;
 362                 FlushPayload(ptr, 1, WCS_FUNCTION);
 363                 ptr->wcs_type = WCS_FUNCTION;
 364         }
 365         else    /** Otherwise allocate a new one */
 366         {
 367                 ptr = NewSubstVar(keyname, keylen, WCS_FUNCTION);
 368         }
 369
 370         ptr->wcs_function = fcn_ptr;
 371 }
 372 inline void SVCALLBACK(char *keyname, var_callback_fptr fcn_ptr)
 373 {
 374         SVCallback(keyname, strlen(keyname), fcn_ptr);
 375 }
 376
 377
 378
 379 void SVPUTBuf(const char *keyname, int keylen, StrBuf *Buf, int ref)
 380 {
 381         wcsubst *ptr;
 382         void *vPtr;
 383         struct wcsession *WCC = WC;
 384
 385         /**
 386          * First look if we're doing a replacement of
 387          * an existing key
 388          */
 389         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 390         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 391                 ptr = (wcsubst*)vPtr;
 392                 FlushPayload(ptr, 0, (ref)?WCS_STRBUF_REF:WCS_STRBUF);
 393                 ptr->wcs_type = (ref)?WCS_STRBUF_REF:WCS_STRBUF;
 394         }
 395         else    /** Otherwise allocate a new one */
 396         {
 397                 ptr = NewSubstVar(keyname, keylen, (ref)?WCS_STRBUF_REF:WCS_STRBUF);
 398         }
 399         ptr->wcs_value = Buf;
 400 }
 401
 402 /**
 403  * \brief back end for print_value_of() ... does a server command
 404  * \param servcmd server command to execute on the citadel server
 405  */
 406 void pvo_do_cmd(StrBuf *Target, StrBuf *servcmd) {
 407         char buf[SIZ];
 408         int len;
 409
 410         serv_puts(ChrPtr(servcmd));
 411         len = serv_getln(buf, sizeof buf);
 412
 413         switch(buf[0]) {
 414                 case '2':
 415                 case '3':
 416                 case '5':
 417                         StrBufAppendPrintf(Target, "%s\n", &buf[4]);
 418                         break;
 419                 case '1':
 420                         _fmout(Target, "CENTER");
 421                         break;
 422                 case '4':
 423                         StrBufAppendPrintf(Target, "%s\n", &buf[4]);
 424                         serv_puts("000");
 425                         break;
 426         }
 427 }
 428
 429 /**
 430  * \brief Print the value of a variable
 431  * \param keyname get a key to print
 432  */
 433 void print_value_of(StrBuf *Target, const char *keyname, size_t keylen) {
 434         struct wcsession *WCC = WC;
 435         wcsubst *ptr;
 436         void *vVar;
 437
 438         /*if (WCC->vars != NULL) PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 439         /// TODO: debricated!
 440         if (keyname[0] == '=') {
 441                 DoTemplate(keyname+1, keylen - 1, NULL, NULL);
 442         }
 443
 444 //////TODO: if param[1] == "U" -> urlescape
 445 /// X -> escputs
 446         /** Page-local variables */
 447         if ((WCC->vars!= NULL) && GetHash(WCC->vars, keyname, keylen, &vVar)) {
 448                 ptr = (wcsubst*) vVar;
 449                 switch(ptr->wcs_type) {
 450                 case WCS_STRING:
 451                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 452                         break;
 453                 case WCS_SERVCMD:
 454                         pvo_do_cmd(Target, ptr->wcs_value);
 455                         break;
 456                 case WCS_FUNCTION:
 457                         (*ptr->wcs_function) ();
 458                         break;
 459                 case WCS_STRBUF:
 460                 case WCS_STRBUF_REF:
 461                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 462                         break;
 463                 case WCS_LONG:
 464                         StrBufAppendPrintf(Target, "%ld", ptr->lvalue);
 465                         break;
 466                 default:
 467                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n", keyname);
 468                         StrBufAppendPrintf(Target, "<pre>WARNING: \ninvalid value in SV-Hash at %s!</pre>", keyname);
 469                 }
 470         }
 471 }
 472
 473 int CompareSubstToToken(TemplateParam *ParamToCompare, TemplateParam *ParamToLookup)
 474 {
 475         struct wcsession *WCC = WC;
 476         wcsubst *ptr;
 477         void *vVar;
 478
 479         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 480                                           ParamToLookup->len, &vVar)) {
 481                 ptr = (wcsubst*) vVar;
 482                 switch(ptr->wcs_type) {
 483                 case WCS_STRING:
 484                 case WCS_STRBUF:
 485                 case WCS_STRBUF_REF:
 486                         if (ParamToCompare->Type == TYPE_STR)
 487                                 return ((ParamToCompare->len == StrLength(ptr->wcs_value)) &&
 488                                         (strcmp(ParamToCompare->Start, ChrPtr(ptr->wcs_value)) == 0));
 489                         else
 490                                 return ParamToCompare->lvalue == StrTol(ptr->wcs_value);
 491                         break;
 492                 case WCS_SERVCMD:
 493                         return 1;
 494                         break;
 495                 case WCS_FUNCTION:
 496                         return 1;
 497                 case WCS_LONG:
 498                         if (ParamToCompare->Type == TYPE_STR)
 499                                 return 0;
 500                         else
 501                                 return ParamToCompare->lvalue == ptr->lvalue;
 502                         break;
 503                 default:
 504                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n",
 505                                 ParamToLookup->Start);
 506                 }
 507         }
 508         return 0;
 509 }
 510
 511 int CompareSubstToStrBuf(StrBuf *Compare, TemplateParam *ParamToLookup)
 512 {
 513         struct wcsession *WCC = WC;
 514         wcsubst *ptr;
 515         void *vVar;
 516
 517         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 518                                           ParamToLookup->len, &vVar)) {
 519                 ptr = (wcsubst*) vVar;
 520                 switch(ptr->wcs_type) {
 521                 case WCS_STRING:
 522                 case WCS_STRBUF:
 523                 case WCS_STRBUF_REF:
 524                         return ((StrLength(Compare) == StrLength(ptr->wcs_value)) &&
 525                                 (strcmp(ChrPtr(Compare), ChrPtr(ptr->wcs_value)) == 0));
 526                 case WCS_SERVCMD:
 527                         return 1;
 528                         break;
 529                 case WCS_FUNCTION:
 530                         return 1;
 531                 case WCS_LONG:
 532                         return StrTol(Compare) == ptr->lvalue;
 533                 default:
 534                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n",
 535                                 ParamToLookup->Start);
 536                 }
 537         }
 538         return 0;
 539 }
 540
 541
 542 void PutNewToken(WCTemplate *Template, WCTemplateToken *NewToken)
 543 {
 544         if (Template->nTokensUsed + 1 >= Template->TokenSpace) {
 545                 if (Template->TokenSpace <= 0) {
 546                         Template->Tokens = (WCTemplateToken**)malloc(
 547                                 sizeof(WCTemplateToken*) * 10);
 548                         Template->TokenSpace = 10;
 549                 }
 550                 else {
 551                         WCTemplateToken **NewTokens;
 552                         NewTokens= (WCTemplateToken**)malloc(
 553                                 sizeof(WCTemplateToken*) *
 554                                 Template->TokenSpace * 2);
 555                         memcpy(NewTokens, Template->Tokens,
 556                                sizeof(WCTemplateToken*) * Template->nTokensUsed);
 557                         free(Template->Tokens);
 558                         Template->TokenSpace *= 2;
 559                         Template->Tokens = NewTokens;
 560                 }
 561         }
 562         Template->Tokens[(Template->nTokensUsed)++] = NewToken;
 563 }
 564
 565 TemplateParam *GetNextParameter(StrBuf *Buf, const char **pCh, const char *pe, WCTemplateToken *Token, WCTemplate *pTmpl)
 566 {
 567         const char *pch = *pCh;
 568         const char *pchs, *pche;
 569         TemplateParam *Parm = (TemplateParam *) malloc(sizeof(TemplateParam));
 570         char quote = '\0';
 571
 572         /* Skip leading whitespaces */
 573         while ((*pch == ' ' )||
 574                (*pch == '\t')||
 575                (*pch == '\r')||
 576                (*pch == '\n')) pch ++;
 577         if (*pch == '"')
 578                 quote = '"';
 579         else if (*pch == '\'')
 580                 quote = '\'';
 581         if (quote != '\0') {
 582                 pch ++;
 583                 pchs = pch;
 584                 Parm->Type = TYPE_STR;
 585                 while (pch <= pe &&
 586                        ((*pch != quote) ||
 587                         ( (pch > pchs) && (*(pch - 1) == '\\'))
 588                                )) {
 589                         pch ++;
 590                 }
 591                 pche = pch;
 592                 if (*pch != quote) {
 593                         lprintf(1, "Error (in '%s' line %ld); "
 594                                 "evaluating template param [%s] in Token [%s]\n",
 595                                 ChrPtr(pTmpl->FileName),
 596                                 Token->Line,
 597                                 ChrPtr(Token->FlatToken),
 598                                 *pCh);
 599                         pch ++;
 600                         free(Parm);
 601                         return NULL;
 602                 }
 603                 else {
 604                         StrBufPeek(Buf, pch, -1, '\0');
 605                         if (LoadTemplates > 1) {
 606                                 lprintf(1, "DBG: got param [%s] %ld %ld\n",
 607                                         pchs, pche - pchs, strlen(pchs));
 608                         }
 609                         Parm->Start = pchs;
 610                         Parm->len = pche - pchs;
 611                         pch ++; /* move after trailing quote */
 612                 }
 613         }
 614         else {
 615                 Parm->Type = TYPE_LONG;
 616                 pchs = pch;
 617                 while ((pch <= pe) &&
 618                        (isdigit(*pch) ||
 619                         (*pch == '+') ||
 620                         (*pch == '-')))
 621                         pch ++;
 622                 pch ++;
 623                 if (pch - pchs > 1){
 624                         StrBufPeek(Buf, pch, -1, '\0');
 625                         Parm->lvalue = atol(pchs);
 626                         Parm->Start = pchs;
 627                         pch++;
 628                 }
 629                 else {
 630                         Parm->lvalue = 0;
 631                         lprintf(1, "Error (in '%s' line %ld); "
 632                                 "evaluating long template param [%s] in Token [%s]\n",
 633                                 ChrPtr(pTmpl->FileName),
 634                                 Token->Line,
 635                                 ChrPtr(Token->FlatToken),
 636                                 *pCh);
 637                         free(Parm);
 638                         return NULL;
 639                 }
 640         }
 641         while ((*pch == ' ' )||
 642                (*pch == '\t')||
 643                (*pch == '\r')||
 644                (*pch == ',' )||
 645                (*pch == '\n')) pch ++;
 646
 647         *pCh = pch;
 648         return Parm;
 649 }
 650
 651 WCTemplateToken *NewTemplateSubstitute(StrBuf *Buf,
 652                                        const char *pStart,
 653                                        const char *pTmplStart,
 654                                        const char *pTmplEnd,
 655                                        long Line,
 656                                        WCTemplate *pTmpl)
 657 {
 658         const char *pch;
 659         TemplateParam *Param;
 660         WCTemplateToken *NewToken = (WCTemplateToken*)malloc(sizeof(WCTemplateToken));
 661
 662         NewToken->Flags = 0;
 663         NewToken->Line = Line + 1;
 664         NewToken->pTokenStart = pTmplStart;
 665         NewToken->TokenStart = pTmplStart - pStart;
 666         NewToken->TokenEnd =  (pTmplEnd - pStart) - NewToken->TokenStart;
 667         NewToken->pTokenEnd = pTmplEnd;
 668         NewToken->NameEnd = NewToken->TokenEnd - 2;
 669         NewToken->FlatToken = NewStrBufPlain(pTmplStart + 2, pTmplEnd - pTmplStart - 2);
 670
 671         StrBufPeek(Buf, pTmplStart, + 1, '\0');
 672         StrBufPeek(Buf, pTmplEnd, -1, '\0');
 673         pch = NewToken->pName = pTmplStart + 2;
 674
 675         NewToken->HaveParameters = 0;;
 676         NewToken->nParameters = 0;
 677
 678         while (pch < pTmplEnd - 1) {
 679                 if (*pch == '(') {
 680                         StrBufPeek(Buf, pch, -1, '\0');
 681                         NewToken->NameEnd = pch - NewToken->pName;
 682                         pch ++;
 683                         while (pch < pTmplEnd - 1) {
 684                                 Param = GetNextParameter(Buf, &pch, pTmplEnd - 1, NewToken, pTmpl);
 685                                 if (Param != NULL) {
 686                                         NewToken->HaveParameters = 1;
 687                                         if (NewToken->nParameters > MAXPARAM) {
 688                                                 lprintf(1, "Error (in '%s' line %ld); "
 689                                                         "only [%ld] Params allowed in Tokens [%s]\n",
 690                                                         ChrPtr(pTmpl->FileName),
 691                                                         NewToken->Line,
 692                                                         MAXPARAM,
 693                                                         ChrPtr(NewToken->FlatToken));
 694                                                 free(Param);
 695                                                 return NULL;
 696                                         }
 697                                         NewToken->Params[NewToken->nParameters++] = Param;
 698                                 }
 699                                 else break;
 700                         }
 701                         if((NewToken->NameEnd == 1) &&
 702                            (NewToken->HaveParameters == 1))
 703
 704                         {
 705                                 if ((NewToken->nParameters == 1) &&
 706                                     (*(NewToken->pName) == '_'))
 707                                         NewToken->Flags = SV_GETTEXT;
 708                                 else if ((NewToken->nParameters == 1) &&
 709                                          (*(NewToken->pName) == '='))
 710                                         NewToken->Flags = SV_SUBTEMPL;
 711                                 else if ((NewToken->nParameters >= 2) &&
 712                                          (*(NewToken->pName) == '%'))
 713                                         NewToken->Flags = SV_CUST_STR_CONDITIONAL;
 714                                 else if ((NewToken->nParameters >= 2) &&
 715                                          (*(NewToken->pName) == '?'))
 716                                         NewToken->Flags = SV_CONDITIONAL;
 717                                 else if ((NewToken->nParameters >=2) &&
 718                                          (*(NewToken->pName) == '!'))
 719                                         NewToken->Flags = SV_NEG_CONDITIONAL;
 720                         }
 721                 }
 722                 else pch ++;
 723         }
 724         return NewToken;
 725 }
 726
 727 void FreeToken(WCTemplateToken **Token)
 728 {
 729         int i;
 730         FreeStrBuf(&(*Token)->FlatToken);
 731         if ((*Token)->HaveParameters)
 732                 for (i = 0; i < (*Token)->nParameters; i++)
 733                         free((*Token)->Params[i]);
 734         free(*Token);
 735         *Token = NULL;
 736 }
 737
 738
 739
 740 void FreeWCTemplate(void *vFreeMe)
 741 {
 742         int i;
 743         WCTemplate *FreeMe = (WCTemplate*)vFreeMe;
 744
 745         if (FreeMe->TokenSpace > 0) {
 746                 for (i = 0; i < FreeMe->nTokensUsed; i ++) {
 747                         FreeToken(&FreeMe->Tokens[i]);
 748                 }
 749                 free(FreeMe->Tokens);
 750         }
 751         FreeStrBuf(&FreeMe->FileName);
 752         FreeStrBuf(&FreeMe->Data);
 753         free(FreeMe);
 754 }
 755
 756
 757 int EvaluateConditional(StrBuf *Target, WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int Neg, int state)
 758 {
 759         void *vConditional = NULL;
 760         ConditionalStruct *Cond;
 761
 762         if ((Token->Params[0]->len == 1) &&
 763             (Token->Params[0]->Start[0] == 'X'))
 764                 return (state != 0)?Token->Params[1]->lvalue:0;
 765
 766         if (!GetHash(Contitionals,
 767                  Token->Params[0]->Start,
 768                  Token->Params[0]->len,
 769                  &vConditional) ||
 770             (vConditional == NULL)) {
 771                 lprintf(1, "Conditional [%s] (in '%s' line %ld); Not found![%s]\n",
 772                         Token->Params[0]->Start,
 773                         ChrPtr(pTmpl->FileName),
 774                         Token->Line,
 775                         ChrPtr(Token->FlatToken));
 776                 StrBufAppendPrintf(
 777                         Target,
 778                         "<pre>\nConditional [%s] (in '%s' line %ld); Not found!\n[%s]\n</pre>\n",
 779                         Token->Params[0]->Start,
 780                         ChrPtr(pTmpl->FileName),
 781                         Token->Line,
 782                         ChrPtr(Token->FlatToken));
 783         }
 784
 785         Cond = (ConditionalStruct *) vConditional;
 786
 787         if (Token->nParameters < Cond->nParams) {
 788                 lprintf(1, "Conditional [%s] (in '%s' line %ld); needs %ld Params![%s]\n",
 789                         Token->Params[0]->Start,
 790                         ChrPtr(pTmpl->FileName),
 791                         Token->Line,
 792                         Cond->nParams,
 793                         ChrPtr(Token->FlatToken));
 794                 StrBufAppendPrintf(
 795                         Target,
 796                         "<pre>\nConditional [%s] (in '%s' line %ld); needs %ld Params!\n[%s]\n</pre>\n",
 797                         Token->Params[0]->Start,
 798                         ChrPtr(pTmpl->FileName),
 799                         Token->Line,
 800                         Cond->nParams,
 801                         ChrPtr(Token->FlatToken));
 802                 return 0;
 803         }
 804         if (Cond->CondF(Token, Context) == Neg)
 805                 return Token->Params[1]->lvalue;
 806         return 0;
 807 }
 808
 809 int EvaluateToken(StrBuf *Target, WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int state)
 810 {
 811         void *vVar;
 812 // much output, since pName is not terminated...
 813 //      lprintf(1,"Doing token: %s\n",Token->pName);
 814         switch (Token->Flags) {
 815         case SV_GETTEXT:
 816                 TmplGettext(Target, Token->nParameters, Token);
 817                 break;
 818         case SV_CONDITIONAL: /** Forward conditional evaluation */
 819                 return EvaluateConditional(Target, Token, pTmpl, Context, 1, state);
 820                 break;
 821         case SV_NEG_CONDITIONAL: /** Reverse conditional evaluation */
 822                 return EvaluateConditional(Target, Token, pTmpl, Context, 0, state);
 823                 break;
 824         case SV_CUST_STR_CONDITIONAL: /** Conditional put custom strings from params */
 825                 if (Token->nParameters >= 6) {
 826                         if (EvaluateConditional(Target, Token, pTmpl, Context, 0, state))
 827                                 StrBufAppendBufPlain(Target,
 828                                                      Token->Params[5]->Start,
 829                                                      Token->Params[5]->len,
 830                                                      0);
 831                         else
 832                                 StrBufAppendBufPlain(Target,
 833                                                      Token->Params[4]->Start,
 834                                                      Token->Params[4]->len,
 835                                                      0);
 836                 }
 837                 break;
 838         case SV_SUBTEMPL:
 839                 if (Token->nParameters == 1)
 840                         DoTemplate(Token->Params[0]->Start, Token->Params[0]->len, NULL, NULL);
 841                 break;
 842         default:
 843                 if (GetHash(GlobalNS, Token->pName, Token->NameEnd, &vVar)) {
 844                         HashHandler *Handler;
 845                         Handler = (HashHandler*) vVar;
 846                         if ((Token->nParameters < Handler->nMinArgs) ||
 847                             (Token->nParameters > Handler->nMaxArgs)) {
 848                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
 849                                         "doesn't work with %ld params [%s]\n",
 850                                         Token->pName,
 851                                         ChrPtr(pTmpl->FileName),
 852                                         Token->Line,
 853                                         Token->nParameters,
 854                                         ChrPtr(Token->FlatToken));
 855                                 StrBufAppendPrintf(
 856                                         Target,
 857                                         "<pre>\nHandler [%s] (in '%s' line %ld);"
 858                                         " doesn't work with %ld params!\n[%s]\n</pre>\n",
 859                                         Token->pName,
 860                                         ChrPtr(pTmpl->FileName),
 861                                         Token->Line,
 862                                         Token->nParameters,
 863                                         ChrPtr(Token->FlatToken));
 864                         }
 865                         else {
 866                                 Handler->HandlerFunc(Target,
 867                                                      Token->nParameters,
 868                                                      Token,
 869                                                      Context); /*TODO: subset of that */
 870
 871                         }
 872                 }
 873                 else {
 874                         print_value_of(Target, Token->pName, Token->NameEnd);
 875                 }
 876         }
 877         return 0;
 878 }
 879
 880 void ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, void *Context)
 881 {
 882         WCTemplate *pTmpl = Tmpl;
 883         int done = 0;
 884         int i, state;
 885         const char *pData, *pS;
 886         long len;
 887
 888         if (LoadTemplates != 0) {
 889                 if (LoadTemplates > 1)
 890                         lprintf(1, "DBG: ----- loading:  [%s] ------ \n",
 891                                 ChrPtr(Tmpl->FileName));
 892                 pTmpl = load_template(Tmpl->FileName, NULL, NULL);
 893                 if(pTmpl == NULL) {
 894                         StrBufAppendPrintf(
 895                                 Target,
 896                                 "<pre>\nError loading Template [%s]\n See Logfile for details\n</pre>\n",
 897                                 ChrPtr(Tmpl->FileName));
 898                         return;
 899
 900
 901                 }
 902
 903         }
 904
 905         pS = pData = ChrPtr(pTmpl->Data);
 906         len = StrLength(pTmpl->Data);
 907         i = 0;
 908         state = 0;
 909         while (!done) {
 910                 if (i >= pTmpl->nTokensUsed) {
 911                         StrBufAppendBufPlain(Target,
 912                                              pData,
 913                                              len - (pData - pS), 0);
 914                         done = 1;
 915                 }
 916                 else {
 917                         StrBufAppendBufPlain(
 918                                 Target, pData,
 919                                 pTmpl->Tokens[i]->pTokenStart - pData, 0);
 920                         state = EvaluateToken(Target, pTmpl->Tokens[i], pTmpl, Context, state);
 921                         while ((state != 0) && (i+1 < pTmpl->nTokensUsed)) {
 922                         /* condition told us to skip till its end condition */
 923                                 i++;
 924                                 if ((pTmpl->Tokens[i]->Flags == SV_CONDITIONAL) ||
 925                                     (pTmpl->Tokens[i]->Flags == SV_NEG_CONDITIONAL)) {
 926                                         if (state == EvaluateConditional(
 927                                                     Target,
 928                                                     pTmpl->Tokens[i],
 929                                                     pTmpl,
 930                                                     Context,
 931                                                     pTmpl->Tokens[i]->Flags,
 932                                                     state))
 933                                                 state = 0;
 934                                 }
 935                         }
 936                         pData = pTmpl->Tokens[i++]->pTokenEnd + 1;
 937                         if (i > pTmpl->nTokensUsed)
 938                                 done = 1;
 939                 }
 940         }
 941         if (LoadTemplates != 0) {
 942                 FreeWCTemplate(pTmpl);
 943         }
 944 }
 945
 946
 947 /**
 948  * \brief Display a variable-substituted template
 949  * \param templatename template file to load
 950  */
 951 void *prepare_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
 952 {
 953         WCTemplate *NewTemplate;
 954         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
 955         NewTemplate->Data = NULL;
 956         NewTemplate->FileName = NewStrBufDup(filename);
 957         NewTemplate->nTokensUsed = 0;
 958         NewTemplate->TokenSpace = 0;
 959         NewTemplate->Tokens = NULL;
 960
 961         Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
 962         return NewTemplate;
 963 }
 964
 965 /**
 966  * \brief Display a variable-substituted template
 967  * \param templatename template file to load
 968  */
 969 void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
 970 {
 971         int fd;
 972         struct stat statbuf;
 973         const char *pS, *pE, *pch, *Err;
 974         long Line;
 975         int pos;
 976         WCTemplate *NewTemplate;
 977
 978         fd = open(ChrPtr(filename), O_RDONLY);
 979         if (fd <= 0) {
 980                 lprintf(1, "ERROR: could not open template '%s' - %s\n",
 981                         ChrPtr(filename), strerror(errno));
 982                 return NULL;
 983         }
 984
 985         if (fstat(fd, &statbuf) == -1) {
 986                 lprintf(1, "ERROR: could not stat template '%s' - %s\n",
 987                         ChrPtr(filename), strerror(errno));
 988                 return NULL;
 989         }
 990
 991         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
 992         NewTemplate->Data = NewStrBufPlain(NULL, statbuf.st_size);
 993         NewTemplate->FileName = NewStrBufDup(filename);
 994         NewTemplate->nTokensUsed = 0;
 995         NewTemplate->TokenSpace = 0;
 996         NewTemplate->Tokens = NULL;
 997         if (StrBufReadBLOB(NewTemplate->Data, &fd, 1, statbuf.st_size, &Err) < 0) {
 998                 close(fd);
 999                 FreeWCTemplate(NewTemplate);
1000                 lprintf(1, "ERROR: reading template '%s' - %s<br />\n",
1001                         ChrPtr(filename), strerror(errno));
1002                 return NULL;
1003         }
1004         close(fd);
1005
1006         Line = 0;
1007         pS = pch = ChrPtr(NewTemplate->Data);
1008         pE = pS + StrLength(NewTemplate->Data);
1009         while (pch < pE) {
1010                 const char *pts, *pte;
1011                 int InQuotes = 0;
1012                 int InDoubleQuotes = 0;
1013                 pos = (-1);
1014                 for (; pch < pE; pch ++) {
1015                         if ((*pch=='<')&&(*(pch + 1)=='?'))
1016                                 break;
1017                         if (*pch=='\n') Line ++;
1018                 }
1019                 if (pch >= pE)
1020                         continue;
1021                 pts = pch;
1022                 for (; pch < pE - 1; pch ++) {
1023                         if (*pch == '"')
1024                                 InDoubleQuotes = ! InDoubleQuotes;
1025                         else if (*pch == '\'')
1026                                 InQuotes = ! InQuotes;
1027                         else if ((!InQuotes  && !InDoubleQuotes) &&
1028                                  ((*pch!='\\')&&(*(pch + 1)=='>'))) {
1029                                 pch ++;
1030                                 break;
1031                         }
1032                 }
1033                 if (pch + 1 >= pE)
1034                         continue;
1035                 pte = pch;
1036                 PutNewToken(NewTemplate,
1037                             NewTemplateSubstitute(NewTemplate->Data, pS, pts, pte, Line, NewTemplate));
1038                 pch ++;
1039         }
1040         if (LoadTemplates == 0)
1041                 Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1042         return NewTemplate;
1043 }
1044
1045
1046 ///void PrintTemplate(const char *Key, void *vSubst, int odd)
1047 const char* PrintTemplate(void *vSubst)
1048 {
1049         WCTemplate *Tmpl = vSubst;
1050
1051         return ChrPtr(Tmpl->FileName);
1052
1053 }
1054
1055
1056 /**
1057  * \brief Display a variable-substituted template
1058  * \param templatename template file to load
1059  */
1060 void DoTemplate(const char *templatename, long len, void *Context, StrBuf *Target)
1061 {
1062         HashList *Static;
1063         HashList *StaticLocal;
1064         void *vTmpl;
1065
1066         if (Target == NULL)
1067                 Target = WC->WBuf;
1068         if (WC->is_mobile) {
1069                 Static = WirelessTemplateCache;
1070                 StaticLocal = WirelessLocalTemplateCache;
1071         }
1072         else {
1073                 Static = TemplateCache;
1074                 StaticLocal = LocalTemplateCache;
1075         }
1076
1077         if (len == 0)
1078         {
1079                 lprintf (1, "Can't to load a template with empty name!\n");
1080                 StrBufAppendPrintf(Target, "<pre>\nCan't to load a template with empty name!\n</pre>");
1081                 return;
1082         }
1083
1084         if (!GetHash(StaticLocal, templatename, len, &vTmpl) &&
1085             !GetHash(Static, templatename, len, &vTmpl)) {
1086                 lprintf (1, "didn't find Template [%s] %ld %ld\n", templatename, len , (long)strlen(templatename));
1087                 StrBufAppendPrintf(Target, "<pre>\ndidn't find Template [%s] %ld %ld\n</pre>",
1088                                    templatename, len,
1089                                    (long)strlen(templatename));
1090 ///             dbg_PrintHash(Static, PrintTemplate, NULL);
1091 //              PrintHash(Static, VarPrintTransition, PrintTemplate);
1092                 return;
1093         }
1094         if (vTmpl == NULL)
1095                 return;
1096         ProcessTemplate(vTmpl, Target, Context);
1097 }
1098
1099 int LoadTemplateDir(const char *DirName, HashList *wireless, HashList *big)
1100 {
1101         StrBuf *FileName;
1102         StrBuf *Tag;
1103         StrBuf *Dir;
1104         DIR *filedir = NULL;
1105         struct dirent *filedir_entry;
1106         int d_namelen;
1107         int d_without_ext;
1108         int IsMobile;
1109
1110         Dir = NewStrBuf();
1111         StrBufPrintf(Dir, "%s/t", DirName);
1112         filedir = opendir (ChrPtr(Dir));
1113         if (filedir == NULL) {
1114                 FreeStrBuf(&Dir);
1115                 return 0;
1116         }
1117
1118         FileName = NewStrBuf();
1119         Tag = NewStrBuf();
1120         while ((filedir_entry = readdir(filedir)))
1121         {
1122                 char *MinorPtr;
1123                 char *PStart;
1124 #ifdef _DIRENT_HAVE_D_NAMELEN
1125                 d_namelen = filedir_entry->d_namelen;
1126 #else
1127                 d_namelen = strlen(filedir_entry->d_name);
1128 #endif
1129                 d_without_ext = d_namelen;
1130                 while ((d_without_ext > 0) && (filedir_entry->d_name[d_without_ext] != '.'))
1131                         d_without_ext --;
1132                 if ((d_without_ext == 0) || (d_namelen < 3))
1133                         continue;
1134                 if ((d_namelen > 1) && filedir_entry->d_name[d_namelen - 1] == '~')
1135                         continue; /* Ignore backup files... */
1136
1137                 IsMobile = (strstr(filedir_entry->d_name, ".m.html")!= NULL);
1138                 PStart = filedir_entry->d_name;
1139                 StrBufPrintf(FileName, "%s/%s", ChrPtr(Dir),  filedir_entry->d_name);
1140                 MinorPtr = strchr(filedir_entry->d_name, '.');
1141                 if (MinorPtr != NULL)
1142                         *MinorPtr = '\0';
1143                 StrBufPlain(Tag, filedir_entry->d_name, MinorPtr - filedir_entry->d_name);
1144
1145
1146                 lprintf(1, "%s %d %s\n",ChrPtr(FileName), IsMobile, ChrPtr(Tag));
1147                 if (LoadTemplates == 0)
1148                         load_template(FileName, Tag, (IsMobile)?wireless:big);
1149                 else
1150                         prepare_template(FileName, Tag, (IsMobile)?wireless:big);
1151         }
1152         closedir(filedir);
1153         FreeStrBuf(&FileName);
1154         FreeStrBuf(&Tag);
1155         FreeStrBuf(&Dir);
1156         return 1;
1157 }
1158
1159 void InitTemplateCache(void)
1160 {
1161         LoadTemplateDir(static_dirs[0],
1162                         WirelessTemplateCache,
1163                         TemplateCache);
1164         LoadTemplateDir(static_dirs[1],
1165                         WirelessLocalTemplateCache,
1166                         LocalTemplateCache);
1167 }
1168
1169 void tmplput_serv_ip(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1170 {
1171         StrBufAppendPrintf(Target, "%d", WC->ctdl_pid);
1172 }
1173
1174 void tmplput_serv_nodename(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1175 {
1176         StrEscAppend(Target, NULL, serv_info.serv_nodename, 0, 0);
1177 }
1178
1179 void tmplput_serv_humannode(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1180 {
1181         StrEscAppend(Target, NULL, serv_info.serv_humannode, 0, 0);
1182 }
1183
1184 void tmplput_serv_fqdn(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1185 {
1186         StrEscAppend(Target, NULL, serv_info.serv_fqdn, 0, 0);
1187 }
1188
1189 void tmmplput_serv_software(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1190 {
1191         StrEscAppend(Target, NULL, serv_info.serv_software, 0, 0);
1192 }
1193
1194 void tmplput_serv_rev_level(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1195 {
1196         StrBufAppendPrintf(Target, "%d.%02d",
1197                             serv_info.serv_rev_level / 100,
1198                             serv_info.serv_rev_level % 100);
1199 }
1200
1201 void tmmplput_serv_bbs_city(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1202 {
1203         StrEscAppend(Target, NULL, serv_info.serv_bbs_city, 0, 0);
1204 }
1205
1206 void tmplput_current_user(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1207 {
1208         StrEscAppend(Target, NULL, WC->wc_fullname, 0, 0);
1209 }
1210
1211 void tmplput_current_room(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1212 {
1213         StrEscAppend(Target, NULL, WC->wc_roomname, 0, 0);
1214 }
1215
1216
1217 typedef struct _HashIterator {
1218         HashList *StaticList;
1219         int AdditionalParams;
1220         RetrieveHashlistFunc GetHash;
1221         HashDestructorFunc Destructor;
1222         SubTemplFunc DoSubTemplate;
1223 } HashIterator;
1224
1225 void tmpl_iterate_subtmpl(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1226 {
1227         void *vIt;
1228         HashIterator *It;
1229         HashList *List;
1230         HashPos  *it;
1231         long len;
1232         const char *Key;
1233         void *vContext;
1234         StrBuf *SubBuf;
1235         int oddeven = 0;
1236
1237         if (!GetHash(Iterators,
1238                      Tokens->Params[0]->Start,
1239                      Tokens->Params[0]->len,
1240                      &vIt))
1241                 return;
1242
1243         It = (HashIterator*) vIt;
1244
1245         if (Tokens->nParameters < It->AdditionalParams + 2) {
1246                 lprintf(1, "Iterator [%s] (in line %ld); "
1247                         "doesn't work with %ld params [%s]\n",
1248                         Tokens->Params[0]->Start,
1249                         Tokens->Line,
1250                         Tokens->nParameters,
1251                         ChrPtr(Tokens->FlatToken));
1252                 StrBufAppendPrintf(
1253                         Target,
1254                         "<pre>Iterator [%s] \n(in line %ld);\n"
1255                         "doesn't work with %ld params \n[%s]\n</pre>",
1256                         Tokens->Params[0]->Start,
1257                         Tokens->Line,
1258                         Tokens->nParameters,
1259                         ChrPtr(Tokens->FlatToken));
1260                 return;
1261         }
1262
1263         if (It->StaticList == NULL)
1264                 List = It->GetHash(Tokens);
1265         else
1266                 List = It->StaticList;
1267
1268         SubBuf = NewStrBuf();
1269         it = GetNewHashPos();
1270         while (GetNextHashPos(List, it, &len, &Key, &vContext)) {
1271                 svprintf(HKEY("ITERATE:ODDEVEN"), WCS_STRING, "%s", (oddeven)?"odd":"even");
1272                 svprintf(HKEY("ITERATE:KEY"), WCS_STRING, "%s",Key);
1273                 It->DoSubTemplate(SubBuf, vContext, Tokens);
1274                 DoTemplate(Tokens->Params[1]->Start,
1275                            Tokens->Params[1]->len,
1276                            vContext, SubBuf);
1277
1278                 StrBufAppendBuf(Target, SubBuf, 0);
1279                 FlushStrBuf(SubBuf);
1280                 oddeven = ~ oddeven;
1281         }
1282         FreeStrBuf(&SubBuf);
1283         DeleteHashPos(&it);
1284         if (It->Destructor != NULL)
1285                 It->Destructor(List);
1286 }
1287
1288 int ConditionalVar(WCTemplateToken *Tokens, void *Context)
1289 {
1290         void *vsubst;
1291         wcsubst *subst;
1292
1293         if (!GetHash(WC->vars,
1294                      Tokens->Params[2]->Start,
1295                      Tokens->Params[2]->len,
1296                      &vsubst))
1297                 return 0;
1298         subst = (wcsubst*) vsubst;
1299         switch(subst->wcs_type) {
1300         case WCS_FUNCTION:
1301                 return (subst->wcs_function!=NULL);
1302         case WCS_SERVCMD:
1303                 lprintf(1, "  -> Server [%s]\n", subst->wcs_value);////todo
1304                 return 1;
1305         case WCS_STRING:
1306         case WCS_STRBUF:
1307         case WCS_STRBUF_REF:
1308                 if (Tokens->nParameters < 4)
1309                         return 1;
1310                 return (strcmp(Tokens->Params[3]->Start, ChrPtr(subst->wcs_value)) == 0);
1311         case WCS_LONG:
1312                 if (Tokens->nParameters < 4)
1313                         return (subst->lvalue != 0);
1314                 return (subst->lvalue == Tokens->Params[3]->lvalue);
1315         default:
1316                 lprintf(1,"  WARNING: invalid type: [%ld]!\n", subst->wcs_type);
1317         }
1318         return 0;
1319 }
1320
1321 void RegisterITERATOR(const char *Name, long len,
1322                       int AdditionalParams,
1323                       HashList *StaticList,
1324                       RetrieveHashlistFunc GetHash,
1325                       SubTemplFunc DoSubTempl,
1326                       HashDestructorFunc Destructor)
1327 {
1328         HashIterator *It = (HashIterator*)malloc(sizeof(HashIterator));
1329         It->StaticList = StaticList;
1330         It->AdditionalParams = AdditionalParams;
1331         It->GetHash = GetHash;
1332         It->DoSubTemplate = DoSubTempl;
1333         It->Destructor = Destructor;
1334         Put(Iterators, Name, len, It, NULL);
1335 }
1336
1337 void RegisterConditional(const char *Name, long len,
1338                          int nParams,
1339                          WCConditionalFunc CondF)
1340 {
1341         ConditionalStruct *Cond = (ConditionalStruct*)malloc(sizeof(ConditionalStruct));
1342         Cond->nParams = nParams;
1343         Cond->CondF = CondF;
1344         Put(Contitionals, Name, len, Cond, NULL);
1345 }
1346
1347 void tmpl_do_boxed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1348 {
1349         if (nArgs == 2) {
1350                 StrBuf *Headline = NewStrBuf();
1351                 DoTemplate(Tokens->Params[1]->Start,
1352                            Tokens->Params[1]->len,
1353                            Context,
1354                            Headline);
1355                 SVPutBuf("BOXTITLE", Headline, 0);
1356         }
1357
1358         DoTemplate(HKEY("beginbox"), Context, Target);
1359         DoTemplate(Tokens->Params[0]->Start,
1360                    Tokens->Params[0]->len,
1361                    Context,
1362                    Target);
1363         DoTemplate(HKEY("endbox"), Context, Target);
1364 }
1365
1366 void tmpl_do_tabbed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1367 {
1368         StrBuf **TabNames;
1369         int i, ntabs, nTabs;
1370
1371         nTabs = ntabs = Tokens->nParameters / 2;
1372         TabNames = (StrBuf **) malloc(ntabs * sizeof(StrBuf*));
1373
1374         for (i = 0; i < ntabs; i++) {
1375                 TabNames[i] = NewStrBuf();
1376                 if (Tokens->Params[i * 2]->len > 0) {
1377                         DoTemplate(Tokens->Params[i * 2]->Start,
1378                                    Tokens->Params[i * 2]->len,
1379                                    Context,
1380                                    TabNames[i]);
1381                 }
1382                 else {
1383                         /** A Tab without subject? we can't count that, add it as silent */
1384                         nTabs --;
1385                 }
1386         }
1387
1388         StrTabbedDialog(Target, nTabs, TabNames);
1389         for (i = 0; i < ntabs; i++) {
1390                 StrBeginTab(Target, i, nTabs);
1391
1392                 DoTemplate(Tokens->Params[i * 2 + 1]->Start,
1393                            Tokens->Params[i * 2 + 1]->len,
1394                            Context,
1395                            Target);
1396                 StrEndTab(Target, i, nTabs);
1397         }
1398 }
1399
1400 void
1401 InitModule_SUBST
1402 (void)
1403 {
1404         RegisterNamespace("SERV:PID", 0, 0, tmplput_serv_ip);
1405         RegisterNamespace("SERV:NODENAME", 0, 0, tmplput_serv_nodename);
1406         RegisterNamespace("SERV:HUMANNODE", 0, 0, tmplput_serv_humannode);
1407         RegisterNamespace("SERV:FQDN", 0, 0, tmplput_serv_fqdn);
1408         RegisterNamespace("SERV:SOFTWARE", 0, 0, tmmplput_serv_software);
1409         RegisterNamespace("SERV:REV_LEVEL", 0, 0, tmplput_serv_rev_level);
1410         RegisterNamespace("SERV:BBS_CITY", 0, 0, tmmplput_serv_bbs_city);
1411 ///     RegisterNamespace("SERV:LDAP_SUPP", 0, 0, tmmplput_serv_ldap_enabled);
1412         RegisterNamespace("CURRENT_USER", 0, 0, tmplput_current_user);
1413         RegisterNamespace("CURRENT_ROOM", 0, 0, tmplput_current_room);
1414         RegisterNamespace("ITERATE", 2, 100, tmpl_iterate_subtmpl);
1415         RegisterNamespace("DOBOXED", 1, 2, tmpl_do_boxed);
1416         RegisterNamespace("DOTABBED", 2, 100, tmpl_do_tabbed);
1417         RegisterConditional(HKEY("COND:SUBST"), 3, ConditionalVar);
1418 }
1419
1420 /*@}*/