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 #define SV_PREEVALUATED 6
  42
  43 typedef struct _WCTemplate {
  44         StrBuf *Data;
  45         StrBuf *FileName;
  46         int nTokensUsed;
  47         int TokenSpace;
  48         WCTemplateToken **Tokens;
  49 } WCTemplate;
  50
  51 typedef struct _HashHandler {
  52         int nMinArgs;
  53         int nMaxArgs;
  54         WCHandlerFunc HandlerFunc;
  55 }HashHandler;
  56
  57 void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere);
  58
  59 void RegisterNS(const char *NSName, long len, int nMinArgs, int nMaxArgs, WCHandlerFunc HandlerFunc)
  60 {
  61         HashHandler *NewHandler;
  62
  63         NewHandler = (HashHandler*) malloc(sizeof(HashHandler));
  64         NewHandler->nMinArgs = nMinArgs;
  65         NewHandler->nMaxArgs = nMaxArgs;
  66         NewHandler->HandlerFunc = HandlerFunc;
  67         Put(GlobalNS, NSName, len, NewHandler, NULL);
  68 }
  69
  70 void FreeToken(WCTemplateToken **Token)
  71 {
  72         int i;
  73         FreeStrBuf(&(*Token)->FlatToken);
  74         if ((*Token)->HaveParameters)
  75                 for (i = 0; i < (*Token)->nParameters; i++)
  76                         free((*Token)->Params[i]);
  77         free(*Token);
  78         *Token = NULL;
  79 }
  80
  81
  82
  83 void FreeWCTemplate(void *vFreeMe)
  84 {
  85         int i;
  86         WCTemplate *FreeMe = (WCTemplate*)vFreeMe;
  87
  88         if (FreeMe->TokenSpace > 0) {
  89                 for (i = 0; i < FreeMe->nTokensUsed; i ++) {
  90                         FreeToken(&FreeMe->Tokens[i]);
  91                 }
  92                 free(FreeMe->Tokens);
  93         }
  94         FreeStrBuf(&FreeMe->FileName);
  95         FreeStrBuf(&FreeMe->Data);
  96         free(FreeMe);
  97 }
  98
  99
 100 /**
 101  * \brief debugging function to print array to log
 102  */
 103 void VarPrintTransition(void *vVar1, void *vVar2, int odd){}
 104 /**
 105  * \brief debugging function to print array to log
 106  */
 107 void VarPrintEntry(const char *Key, void *vSubst, int odd)
 108 {
 109         wcsubst *ptr;
 110         lprintf(1,"Subst[%s] : ", Key);
 111         ptr = (wcsubst*) vSubst;
 112
 113         switch(ptr->wcs_type) {
 114         case WCS_STRING:
 115                 lprintf(1, "  -> %s\n", ChrPtr(ptr->wcs_value));
 116                 break;
 117         case WCS_SERVCMD:
 118                 lprintf(1, "  -> Server [%s]\n", ChrPtr(ptr->wcs_value));
 119                 break;
 120         case WCS_FUNCTION:
 121                 lprintf(1, "  -> function at [%0xd]\n", ptr->wcs_function);
 122                 break;
 123         default:
 124                 lprintf(1,"  WARNING: invalid type: [%ld]!\n", ptr->wcs_type);
 125         }
 126 }
 127
 128
 129
 130 /**
 131  * \brief Clear out the list of substitution variables local to this session
 132  */
 133 void clear_substs(struct wcsession *wc) {
 134
 135         if (wc->vars != NULL) {
 136                 DeleteHash(&wc->vars);
 137         }
 138 }
 139
 140 /**
 141  * \brief Clear out the list of substitution variables local to this session
 142  */
 143 void clear_local_substs(void) {
 144         clear_substs (WC);
 145 }
 146
 147 int NeedNewBuf(type)
 148 {
 149         switch(type) {
 150         case WCS_STRING:
 151         case WCS_SERVCMD:
 152         case WCS_STRBUF:
 153                 return 1;
 154         case WCS_FUNCTION:
 155         case WCS_STRBUF_REF:
 156         case WCS_LONG:
 157         default:
 158                 return 0;
 159         }
 160 }
 161
 162 void FlushPayload(wcsubst *ptr, int reusestrbuf, int type)
 163 {
 164         int NeedNew = NeedNewBuf(type);
 165         switch(ptr->wcs_type) {
 166         case WCS_STRING:
 167         case WCS_SERVCMD:
 168         case WCS_STRBUF:
 169                 if (reusestrbuf && NeedNew) {
 170                         FlushStrBuf(ptr->wcs_value);
 171                 }
 172                 else {
 173
 174                         FreeStrBuf(&ptr->wcs_value);
 175                         ptr->wcs_value = NULL;
 176                 }
 177                 break;
 178         case WCS_FUNCTION:
 179                 ptr->wcs_function = NULL;
 180                 if (reusestrbuf && NeedNew)
 181                         ptr->wcs_value = NewStrBuf();
 182                 break;
 183         case WCS_STRBUF_REF:
 184                 ptr->wcs_value = NULL;
 185                 if (reusestrbuf && NeedNew)
 186                         ptr->wcs_value = NewStrBuf();
 187                 break;
 188         case WCS_LONG:
 189                 ptr->lvalue = 0;
 190                 if (reusestrbuf && NeedNew)
 191                         ptr->wcs_value = NewStrBuf();
 192                 break;
 193         default:
 194                 if (reusestrbuf && NeedNew)
 195                         ptr->wcs_value = NewStrBuf();
 196                 break;
 197         }
 198 }
 199
 200
 201 /**
 202  * \brief destructor; kill one entry.
 203  */
 204 void deletevar(void *data)
 205 {
 206         wcsubst *ptr = (wcsubst*)data;
 207         FlushPayload(ptr, 0, ptr->wcs_type);
 208         free(ptr);
 209 }
 210
 211
 212 wcsubst *NewSubstVar(const char *keyname, int keylen, int type)
 213 {
 214         wcsubst* ptr;
 215         struct wcsession *WCC = WC;
 216
 217         ptr = (wcsubst *) malloc(sizeof(wcsubst));
 218         memset(ptr, 0, sizeof(wcsubst));
 219
 220         ptr->wcs_type = type;
 221         safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
 222         Put(WCC->vars, keyname, keylen, ptr,  deletevar);
 223
 224         switch(ptr->wcs_type) {
 225         case WCS_STRING:
 226         case WCS_SERVCMD:
 227                 ptr->wcs_value = NewStrBuf();
 228                 break;
 229         case WCS_STRBUF:
 230         case WCS_FUNCTION:
 231         case WCS_STRBUF_REF:
 232         case WCS_LONG:
 233         default:
 234                 break;
 235         }
 236         return ptr;
 237 }
 238
 239
 240 /**
 241  * \brief Add a substitution variable (local to this session) (strlen version...)
 242  * \param keyname the replacementstring to substitute
 243  * \param keytype the kind of the key
 244  * \param format the format string ala printf
 245  * \param ... the arguments to substitute in the formatstring
 246  */
 247 void SVPRINTF(char *keyname, int keytype, const char *format,...)
 248 {
 249         va_list arg_ptr;
 250         void *vPtr;
 251         wcsubst *ptr = NULL;
 252         size_t keylen;
 253         struct wcsession *WCC = WC;
 254
 255         keylen = strlen(keyname);
 256         /**
 257          * First look if we're doing a replacement of
 258          * an existing key
 259          */
 260         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 261         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 262                 ptr = (wcsubst*)vPtr;
 263                 FlushPayload(ptr, keytype, keytype);
 264                 ptr->wcs_type = keytype;
 265         }
 266         else    /** Otherwise allocate a new one */
 267         {
 268                 ptr = NewSubstVar(keyname, keylen, keytype);
 269         }
 270
 271         /** Format the string */
 272         va_start(arg_ptr, format);
 273         StrBufVAppendPrintf(ptr->wcs_value, format, arg_ptr);
 274         va_end(arg_ptr);
 275 }
 276
 277 /**
 278  * \brief Add a substitution variable (local to this session)
 279  * \param keyname the replacementstring to substitute
 280  * \param keytype the kind of the key
 281  * \param format the format string ala printf
 282  * \param ... the arguments to substitute in the formatstring
 283  */
 284 void svprintf(char *keyname, size_t keylen, int keytype, const char *format,...)
 285 {
 286         va_list arg_ptr;
 287         void *vPtr;
 288         wcsubst *ptr = NULL;
 289         struct wcsession *WCC = WC;
 290
 291         /**
 292          * First look if we're doing a replacement of
 293          * an existing key
 294          */
 295         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 296         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 297                 ptr = (wcsubst*)vPtr;
 298                 FlushPayload(ptr, 1, keytype);
 299                 ptr->wcs_type = keytype;
 300         }
 301         else    /** Otherwise allocate a new one */
 302         {
 303                 ptr = NewSubstVar(keyname, keylen, keytype);
 304         }
 305
 306         /** Format the string and save it */
 307         va_start(arg_ptr, format);
 308         StrBufVAppendPrintf(ptr->wcs_value, format, arg_ptr);
 309         va_end(arg_ptr);
 310 }
 311
 312 /**
 313  * \brief Add a substitution variable (local to this session)
 314  * \param keyname the replacementstring to substitute
 315  * \param keytype the kind of the key
 316  * \param format the format string ala printf
 317  * \param ... the arguments to substitute in the formatstring
 318  */
 319 void SVPut(char *keyname, size_t keylen, int keytype, char *Data)
 320 {
 321         void *vPtr;
 322         wcsubst *ptr = NULL;
 323         struct wcsession *WCC = WC;
 324
 325
 326         /**
 327          * First look if we're doing a replacement of
 328          * an existing key
 329          */
 330         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 331         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 332                 ptr = (wcsubst*)vPtr;
 333                 FlushPayload(ptr, 1, keytype);
 334                 ptr->wcs_type = keytype;
 335         }
 336         else    /** Otherwise allocate a new one */
 337         {
 338                 ptr = NewSubstVar(keyname, keylen, keytype);
 339         }
 340         StrBufAppendBufPlain(ptr->wcs_value, Data, -1, 0);
 341 }
 342
 343 /**
 344  * \brief Add a substitution variable (local to this session)
 345  * \param keyname the replacementstring to substitute
 346  * \param keytype the kind of the key
 347  * \param format the format string ala printf
 348  * \param ... the arguments to substitute in the formatstring
 349  */
 350 void SVPutLong(char *keyname, size_t keylen, long Data)
 351 {
 352         void *vPtr;
 353         wcsubst *ptr = NULL;
 354         struct wcsession *WCC = WC;
 355
 356
 357         /**
 358          * First look if we're doing a replacement of
 359          * an existing key
 360          */
 361         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 362         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 363                 ptr = (wcsubst*)vPtr;
 364                 FlushPayload(ptr, 1, WCS_LONG);
 365                 ptr->wcs_type = WCS_LONG;
 366         }
 367         else    /** Otherwise allocate a new one */
 368         {
 369                 ptr = NewSubstVar(keyname, keylen, WCS_LONG);
 370         }
 371         ptr->lvalue = Data;
 372 }
 373
 374 /**
 375  * \brief Add a substitution variable (local to this session) that does a callback
 376  * \param keyname the keystring to substitute
 377  * \param fcn_ptr the function callback to give the substitution string
 378  */
 379 void SVCallback(char *keyname, size_t keylen, WCHandlerFunc fcn_ptr)
 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, 1, WCS_FUNCTION);
 393                 ptr->wcs_type = WCS_FUNCTION;
 394         }
 395         else    /** Otherwise allocate a new one */
 396         {
 397                 ptr = NewSubstVar(keyname, keylen, WCS_FUNCTION);
 398         }
 399
 400         ptr->wcs_function = fcn_ptr;
 401 }
 402 inline void SVCALLBACK(char *keyname, WCHandlerFunc fcn_ptr)
 403 {
 404         SVCallback(keyname, strlen(keyname), fcn_ptr);
 405 }
 406
 407
 408
 409 void SVPUTBuf(const char *keyname, int keylen, const StrBuf *Buf, int ref)
 410 {
 411         wcsubst *ptr;
 412         void *vPtr;
 413         struct wcsession *WCC = WC;
 414
 415         /**
 416          * First look if we're doing a replacement of
 417          * an existing key
 418          */
 419         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 420         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 421                 ptr = (wcsubst*)vPtr;
 422                 FlushPayload(ptr, 0, (ref)?WCS_STRBUF_REF:WCS_STRBUF);
 423                 ptr->wcs_type = (ref)?WCS_STRBUF_REF:WCS_STRBUF;
 424         }
 425         else    /** Otherwise allocate a new one */
 426         {
 427                 ptr = NewSubstVar(keyname, keylen, (ref)?WCS_STRBUF_REF:WCS_STRBUF);
 428         }
 429         ptr->wcs_value = (StrBuf*)Buf;
 430 }
 431
 432 /**
 433  * \brief back end for print_value_of() ... does a server command
 434  * \param servcmd server command to execute on the citadel server
 435  */
 436 void pvo_do_cmd(StrBuf *Target, StrBuf *servcmd) {
 437         char buf[SIZ];
 438         int len;
 439
 440         serv_puts(ChrPtr(servcmd));
 441         len = serv_getln(buf, sizeof buf);
 442
 443         switch(buf[0]) {
 444                 case '2':
 445                 case '3':
 446                 case '5':
 447                         StrBufAppendPrintf(Target, "%s\n", &buf[4]);
 448                         break;
 449                 case '1':
 450                         _fmout(Target, "CENTER");
 451                         break;
 452                 case '4':
 453                         StrBufAppendPrintf(Target, "%s\n", &buf[4]);
 454                         serv_puts("000");
 455                         break;
 456         }
 457 }
 458
 459 /**
 460  * \brief Print the value of a variable
 461  * \param keyname get a key to print
 462  */
 463 void print_value_of(StrBuf *Target, WCTemplateToken *Token, void *Context) {
 464         struct wcsession *WCC = WC;
 465         wcsubst *ptr;
 466         void *vVar;
 467
 468         /*if (WCC->vars != NULL) PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 469         /// TODO: debricated!
 470         if (Token->pName[0] == '=') {
 471                 DoTemplate(Token->pName+1, Token->NameEnd - 1, NULL, NULL);
 472         }
 473
 474 //////TODO: if param[1] == "U" -> urlescape
 475 /// X -> escputs
 476         /** Page-local variables */
 477         if ((WCC->vars!= NULL) && GetHash(WCC->vars, Token->pName, Token->NameEnd, &vVar)) {
 478                 ptr = (wcsubst*) vVar;
 479                 switch(ptr->wcs_type) {
 480                 case WCS_STRING:
 481                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 482                         break;
 483                 case WCS_SERVCMD:
 484                         pvo_do_cmd(Target, ptr->wcs_value);
 485                         break;
 486                 case WCS_FUNCTION:
 487                         (*ptr->wcs_function) (Target, Token->nParameters, Token, Context);
 488                         break;
 489                 case WCS_STRBUF:
 490                 case WCS_STRBUF_REF:
 491                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 492                         break;
 493                 case WCS_LONG:
 494                         StrBufAppendPrintf(Target, "%ld", ptr->lvalue);
 495                         break;
 496                 default:
 497                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n", Token->pName);
 498                         StrBufAppendPrintf(Target, "<pre>WARNING: \ninvalid value in SV-Hash at %s!\n</pre>", Token->pName);
 499                 }
 500         }
 501 }
 502
 503 int CompareSubstToToken(TemplateParam *ParamToCompare, TemplateParam *ParamToLookup)
 504 {
 505         struct wcsession *WCC = WC;
 506         wcsubst *ptr;
 507         void *vVar;
 508
 509         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 510                                           ParamToLookup->len, &vVar)) {
 511                 ptr = (wcsubst*) vVar;
 512                 switch(ptr->wcs_type) {
 513                 case WCS_STRING:
 514                 case WCS_STRBUF:
 515                 case WCS_STRBUF_REF:
 516                         if (ParamToCompare->Type == TYPE_STR)
 517                                 return ((ParamToCompare->len == StrLength(ptr->wcs_value)) &&
 518                                         (strcmp(ParamToCompare->Start, ChrPtr(ptr->wcs_value)) == 0));
 519                         else
 520                                 return ParamToCompare->lvalue == StrTol(ptr->wcs_value);
 521                         break;
 522                 case WCS_SERVCMD:
 523                         return 1;
 524                         break;
 525                 case WCS_FUNCTION:
 526                         return 1;
 527                 case WCS_LONG:
 528                         if (ParamToCompare->Type == TYPE_STR)
 529                                 return 0;
 530                         else
 531                                 return ParamToCompare->lvalue == ptr->lvalue;
 532                         break;
 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 int CompareSubstToStrBuf(StrBuf *Compare, TemplateParam *ParamToLookup)
 542 {
 543         struct wcsession *WCC = WC;
 544         wcsubst *ptr;
 545         void *vVar;
 546
 547         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 548                                           ParamToLookup->len, &vVar)) {
 549                 ptr = (wcsubst*) vVar;
 550                 switch(ptr->wcs_type) {
 551                 case WCS_STRING:
 552                 case WCS_STRBUF:
 553                 case WCS_STRBUF_REF:
 554                         return ((StrLength(Compare) == StrLength(ptr->wcs_value)) &&
 555                                 (strcmp(ChrPtr(Compare), ChrPtr(ptr->wcs_value)) == 0));
 556                 case WCS_SERVCMD:
 557                         return 1;
 558                         break;
 559                 case WCS_FUNCTION:
 560                         return 1;
 561                 case WCS_LONG:
 562                         return StrTol(Compare) == ptr->lvalue;
 563                 default:
 564                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n",
 565                                 ParamToLookup->Start);
 566                 }
 567         }
 568         return 0;
 569 }
 570
 571
 572 void PutNewToken(WCTemplate *Template, WCTemplateToken *NewToken)
 573 {
 574         if (Template->nTokensUsed + 1 >= Template->TokenSpace) {
 575                 if (Template->TokenSpace <= 0) {
 576                         Template->Tokens = (WCTemplateToken**)malloc(
 577                                 sizeof(WCTemplateToken*) * 10);
 578                         Template->TokenSpace = 10;
 579                 }
 580                 else {
 581                         WCTemplateToken **NewTokens;
 582                         NewTokens= (WCTemplateToken**)malloc(
 583                                 sizeof(WCTemplateToken*) *
 584                                 Template->TokenSpace * 2);
 585                         memcpy(NewTokens, Template->Tokens,
 586                                sizeof(WCTemplateToken*) * Template->nTokensUsed);
 587                         free(Template->Tokens);
 588                         Template->TokenSpace *= 2;
 589                         Template->Tokens = NewTokens;
 590                 }
 591         }
 592         Template->Tokens[(Template->nTokensUsed)++] = NewToken;
 593 }
 594
 595 TemplateParam *GetNextParameter(StrBuf *Buf, const char **pCh, const char *pe, WCTemplateToken *Token, WCTemplate *pTmpl)
 596 {
 597         const char *pch = *pCh;
 598         const char *pchs, *pche;
 599         TemplateParam *Parm = (TemplateParam *) malloc(sizeof(TemplateParam));
 600         char quote = '\0';
 601
 602         /* Skip leading whitespaces */
 603         while ((*pch == ' ' )||
 604                (*pch == '\t')||
 605                (*pch == '\r')||
 606                (*pch == '\n')) pch ++;
 607         if (*pch == '"')
 608                 quote = '"';
 609         else if (*pch == '\'')
 610                 quote = '\'';
 611         if (quote != '\0') {
 612                 pch ++;
 613                 pchs = pch;
 614                 Parm->Type = TYPE_STR;
 615                 while (pch <= pe &&
 616                        ((*pch != quote) ||
 617                         ( (pch > pchs) && (*(pch - 1) == '\\'))
 618                                )) {
 619                         pch ++;
 620                 }
 621                 pche = pch;
 622                 if (*pch != quote) {
 623                         lprintf(1, "Error (in '%s' line %ld); "
 624                                 "evaluating template param [%s] in Token [%s]\n",
 625                                 ChrPtr(pTmpl->FileName),
 626                                 Token->Line,
 627                                 ChrPtr(Token->FlatToken),
 628                                 *pCh);
 629                         pch ++;
 630                         free(Parm);
 631                         return NULL;
 632                 }
 633                 else {
 634                         StrBufPeek(Buf, pch, -1, '\0');
 635                         if (LoadTemplates > 1) {
 636                                 lprintf(1, "DBG: got param [%s] %ld %ld\n",
 637                                         pchs, pche - pchs, strlen(pchs));
 638                         }
 639                         Parm->Start = pchs;
 640                         Parm->len = pche - pchs;
 641                         pch ++; /* move after trailing quote */
 642                 }
 643         }
 644         else {
 645                 Parm->Type = TYPE_LONG;
 646                 pchs = pch;
 647                 while ((pch <= pe) &&
 648                        (isdigit(*pch) ||
 649                         (*pch == '+') ||
 650                         (*pch == '-')))
 651                         pch ++;
 652                 pch ++;
 653                 if (pch - pchs > 1){
 654                         StrBufPeek(Buf, pch, -1, '\0');
 655                         Parm->lvalue = atol(pchs);
 656                         Parm->Start = pchs;
 657                         pch++;
 658                 }
 659                 else {
 660                         Parm->lvalue = 0;
 661                         lprintf(1, "Error (in '%s' line %ld); "
 662                                 "evaluating long template param [%s] in Token [%s]\n",
 663                                 ChrPtr(pTmpl->FileName),
 664                                 Token->Line,
 665                                 ChrPtr(Token->FlatToken),
 666                                 *pCh);
 667                         free(Parm);
 668                         return NULL;
 669                 }
 670         }
 671         while ((*pch == ' ' )||
 672                (*pch == '\t')||
 673                (*pch == '\r')||
 674                (*pch == ',' )||
 675                (*pch == '\n')) pch ++;
 676
 677         *pCh = pch;
 678         return Parm;
 679 }
 680
 681 WCTemplateToken *NewTemplateSubstitute(StrBuf *Buf,
 682                                        const char *pStart,
 683                                        const char *pTmplStart,
 684                                        const char *pTmplEnd,
 685                                        long Line,
 686                                        WCTemplate *pTmpl)
 687 {
 688         const char *pch;
 689         TemplateParam *Param;
 690         WCTemplateToken *NewToken = (WCTemplateToken*)malloc(sizeof(WCTemplateToken));
 691
 692         NewToken->Flags = 0;
 693         NewToken->Line = Line + 1;
 694         NewToken->pTokenStart = pTmplStart;
 695         NewToken->TokenStart = pTmplStart - pStart;
 696         NewToken->TokenEnd =  (pTmplEnd - pStart) - NewToken->TokenStart;
 697         NewToken->pTokenEnd = pTmplEnd;
 698         NewToken->NameEnd = NewToken->TokenEnd - 2;
 699         NewToken->PreEval = NULL;
 700         NewToken->FlatToken = NewStrBufPlain(pTmplStart + 2, pTmplEnd - pTmplStart - 2);
 701
 702         StrBufPeek(Buf, pTmplStart, + 1, '\0');
 703         StrBufPeek(Buf, pTmplEnd, -1, '\0');
 704         pch = NewToken->pName = pTmplStart + 2;
 705
 706         NewToken->HaveParameters = 0;;
 707         NewToken->nParameters = 0;
 708
 709         while (pch < pTmplEnd - 1) {
 710                 if (*pch == '(') {
 711                         StrBufPeek(Buf, pch, -1, '\0');
 712                         NewToken->NameEnd = pch - NewToken->pName;
 713                         pch ++;
 714                         while (pch < pTmplEnd - 1) {
 715                                 Param = GetNextParameter(Buf, &pch, pTmplEnd - 1, NewToken, pTmpl);
 716                                 if (Param != NULL) {
 717                                         NewToken->HaveParameters = 1;
 718                                         if (NewToken->nParameters > MAXPARAM) {
 719                                                 lprintf(1, "Error (in '%s' line %ld); "
 720                                                         "only [%ld] Params allowed in Tokens [%s]\n",
 721                                                         ChrPtr(pTmpl->FileName),
 722                                                         NewToken->Line,
 723                                                         MAXPARAM,
 724                                                         ChrPtr(NewToken->FlatToken));
 725                                                 free(Param);
 726                                                 FreeToken(&NewToken);
 727                                                 return NULL;
 728                                         }
 729                                         NewToken->Params[NewToken->nParameters++] = Param;
 730                                 }
 731                                 else break;
 732                         }
 733                         if((NewToken->NameEnd == 1) &&
 734                            (NewToken->HaveParameters == 1))
 735
 736                         {
 737                                 if ((NewToken->nParameters == 1) &&
 738                                     (*(NewToken->pName) == '_'))
 739                                         NewToken->Flags = SV_GETTEXT;
 740                                 else if ((NewToken->nParameters == 1) &&
 741                                          (*(NewToken->pName) == '='))
 742                                         NewToken->Flags = SV_SUBTEMPL;
 743                                 else if ((NewToken->nParameters >= 2) &&
 744                                          (*(NewToken->pName) == '%'))
 745                                         NewToken->Flags = SV_CUST_STR_CONDITIONAL;
 746                                 else if ((NewToken->nParameters >= 2) &&
 747                                          (*(NewToken->pName) == '?'))
 748                                         NewToken->Flags = SV_CONDITIONAL;
 749                                 else if ((NewToken->nParameters >=2) &&
 750                                          (*(NewToken->pName) == '!'))
 751                                         NewToken->Flags = SV_NEG_CONDITIONAL;
 752                         }
 753                 }
 754                 else pch ++;
 755         }
 756
 757         if (NewToken->Flags == 0) {
 758                 /* If we're able to find out more about the token, do it now while its fresh. */
 759                 void *vVar;
 760                 if (GetHash(GlobalNS, NewToken->pName, NewToken->NameEnd, &vVar)) {
 761                         HashHandler *Handler;
 762                         Handler = (HashHandler*) vVar;
 763                         if ((NewToken->nParameters < Handler->nMinArgs) ||
 764                             (NewToken->nParameters > Handler->nMaxArgs)) {
 765                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
 766                                         "doesn't work with %ld params [%s]\n",
 767                                         NewToken->pName,
 768                                         ChrPtr(pTmpl->FileName),
 769                                         NewToken->Line,
 770                                         NewToken->nParameters,
 771                                         ChrPtr(NewToken->FlatToken));
 772                         }
 773                         else {
 774                                 NewToken->PreEval = Handler;
 775                                 NewToken->Flags = SV_PREEVALUATED;
 776                         }
 777                 }
 778         }
 779
 780         return NewToken;
 781 }
 782
 783
 784
 785 int EvaluateConditional(StrBuf *Target, WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int Neg, int state)
 786 {
 787         void *vConditional = NULL;
 788         ConditionalStruct *Cond;
 789
 790         if ((Token->Params[0]->len == 1) &&
 791             (Token->Params[0]->Start[0] == 'X'))
 792                 return (state != 0)?Token->Params[1]->lvalue:0;
 793
 794         if (!GetHash(Contitionals,
 795                  Token->Params[0]->Start,
 796                  Token->Params[0]->len,
 797                  &vConditional) ||
 798             (vConditional == NULL)) {
 799                 lprintf(1, "Conditional [%s] (in '%s' line %ld); Not found![%s]\n",
 800                         Token->Params[0]->Start,
 801                         ChrPtr(pTmpl->FileName),
 802                         Token->Line,
 803                         ChrPtr(Token->FlatToken));
 804                 StrBufAppendPrintf(
 805                         Target,
 806                         "<pre>\nConditional [%s] (in '%s' line %ld); Not found!\n[%s]\n</pre>\n",
 807                         Token->Params[0]->Start,
 808                         ChrPtr(pTmpl->FileName),
 809                         Token->Line,
 810                         ChrPtr(Token->FlatToken));
 811         }
 812
 813         Cond = (ConditionalStruct *) vConditional;
 814
 815         if (Token->nParameters < Cond->nParams) {
 816                 lprintf(1, "Conditional [%s] (in '%s' line %ld); needs %ld Params![%s]\n",
 817                         Token->Params[0]->Start,
 818                         ChrPtr(pTmpl->FileName),
 819                         Token->Line,
 820                         Cond->nParams,
 821                         ChrPtr(Token->FlatToken));
 822                 StrBufAppendPrintf(
 823                         Target,
 824                         "<pre>\nConditional [%s] (in '%s' line %ld); needs %ld Params!\n[%s]\n</pre>\n",
 825                         Token->Params[0]->Start,
 826                         ChrPtr(pTmpl->FileName),
 827                         Token->Line,
 828                         Cond->nParams,
 829                         ChrPtr(Token->FlatToken));
 830                 return 0;
 831         }
 832         if (Cond->CondF(Token, Context) == Neg)
 833                 return Token->Params[1]->lvalue;
 834         return 0;
 835 }
 836
 837 int EvaluateToken(StrBuf *Target, WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int state)
 838 {
 839         HashHandler *Handler;
 840         void *vVar;
 841 // much output, since pName is not terminated...
 842 //      lprintf(1,"Doing token: %s\n",Token->pName);
 843         switch (Token->Flags) {
 844         case SV_GETTEXT:
 845                 TmplGettext(Target, Token->nParameters, Token);
 846                 break;
 847         case SV_CONDITIONAL: /** Forward conditional evaluation */
 848                 return EvaluateConditional(Target, Token, pTmpl, Context, 1, state);
 849                 break;
 850         case SV_NEG_CONDITIONAL: /** Reverse conditional evaluation */
 851                 return EvaluateConditional(Target, Token, pTmpl, Context, 0, state);
 852                 break;
 853         case SV_CUST_STR_CONDITIONAL: /** Conditional put custom strings from params */
 854                 if (Token->nParameters >= 6) {
 855                         if (EvaluateConditional(Target, Token, pTmpl, Context, 0, state))
 856                                 StrBufAppendBufPlain(Target,
 857                                                      Token->Params[5]->Start,
 858                                                      Token->Params[5]->len,
 859                                                      0);
 860                         else
 861                                 StrBufAppendBufPlain(Target,
 862                                                      Token->Params[4]->Start,
 863                                                      Token->Params[4]->len,
 864                                                      0);
 865                 }
 866                 break;
 867         case SV_SUBTEMPL:
 868                 if (Token->nParameters == 1)
 869                         DoTemplate(Token->Params[0]->Start, Token->Params[0]->len, NULL, NULL);
 870                 break;
 871         case SV_PREEVALUATED:
 872                 Handler = (HashHandler*) Token->PreEval;
 873                 Handler->HandlerFunc(Target,
 874                                      Token->nParameters,
 875                                      Token,
 876                                      Context);
 877                 break;
 878         default:
 879                 if (GetHash(GlobalNS, Token->pName, Token->NameEnd, &vVar)) {
 880                         Handler = (HashHandler*) vVar;
 881                         if ((Token->nParameters < Handler->nMinArgs) ||
 882                             (Token->nParameters > Handler->nMaxArgs)) {
 883                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
 884                                         "doesn't work with %ld params [%s]\n",
 885                                         Token->pName,
 886                                         ChrPtr(pTmpl->FileName),
 887                                         Token->Line,
 888                                         Token->nParameters,
 889                                         ChrPtr(Token->FlatToken));
 890                                 StrBufAppendPrintf(
 891                                         Target,
 892                                         "<pre>\nHandler [%s] (in '%s' line %ld);"
 893                                         " doesn't work with %ld params!\n[%s]\n</pre>\n",
 894                                         Token->pName,
 895                                         ChrPtr(pTmpl->FileName),
 896                                         Token->Line,
 897                                         Token->nParameters,
 898                                         ChrPtr(Token->FlatToken));
 899                         }
 900                         else {
 901                                 Handler->HandlerFunc(Target,
 902                                                      Token->nParameters,
 903                                                      Token,
 904                                                      Context); /*TODO: subset of that */
 905
 906                         }
 907                 }
 908                 else {
 909                         print_value_of(Target, Token, Context);
 910                 }
 911         }
 912         return 0;
 913 }
 914
 915 void ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, void *Context)
 916 {
 917         WCTemplate *pTmpl = Tmpl;
 918         int done = 0;
 919         int i, state;
 920         const char *pData, *pS;
 921         long len;
 922
 923         if (LoadTemplates != 0) {
 924                 if (LoadTemplates > 1)
 925                         lprintf(1, "DBG: ----- loading:  [%s] ------ \n",
 926                                 ChrPtr(Tmpl->FileName));
 927                 pTmpl = load_template(Tmpl->FileName, NULL, NULL);
 928                 if(pTmpl == NULL) {
 929                         StrBufAppendPrintf(
 930                                 Target,
 931                                 "<pre>\nError loading Template [%s]\n See Logfile for details\n</pre>\n",
 932                                 ChrPtr(Tmpl->FileName));
 933                         return;
 934
 935
 936                 }
 937
 938         }
 939
 940         pS = pData = ChrPtr(pTmpl->Data);
 941         len = StrLength(pTmpl->Data);
 942         i = 0;
 943         state = 0;
 944         while (!done) {
 945                 if (i >= pTmpl->nTokensUsed) {
 946                         StrBufAppendBufPlain(Target,
 947                                              pData,
 948                                              len - (pData - pS), 0);
 949                         done = 1;
 950                 }
 951                 else {
 952                         StrBufAppendBufPlain(
 953                                 Target, pData,
 954                                 pTmpl->Tokens[i]->pTokenStart - pData, 0);
 955                         state = EvaluateToken(Target, pTmpl->Tokens[i], pTmpl, Context, state);
 956                         while ((state != 0) && (i+1 < pTmpl->nTokensUsed)) {
 957                         /* condition told us to skip till its end condition */
 958                                 i++;
 959                                 if ((pTmpl->Tokens[i]->Flags == SV_CONDITIONAL) ||
 960                                     (pTmpl->Tokens[i]->Flags == SV_NEG_CONDITIONAL)) {
 961                                         if (state == EvaluateConditional(
 962                                                     Target,
 963                                                     pTmpl->Tokens[i],
 964                                                     pTmpl,
 965                                                     Context,
 966                                                     pTmpl->Tokens[i]->Flags,
 967                                                     state))
 968                                                 state = 0;
 969                                 }
 970                         }
 971                         pData = pTmpl->Tokens[i++]->pTokenEnd + 1;
 972                         if (i > pTmpl->nTokensUsed)
 973                                 done = 1;
 974                 }
 975         }
 976         if (LoadTemplates != 0) {
 977                 FreeWCTemplate(pTmpl);
 978         }
 979 }
 980
 981
 982 /**
 983  * \brief Display a variable-substituted template
 984  * \param templatename template file to load
 985  */
 986 void *prepare_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
 987 {
 988         WCTemplate *NewTemplate;
 989         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
 990         NewTemplate->Data = NULL;
 991         NewTemplate->FileName = NewStrBufDup(filename);
 992         NewTemplate->nTokensUsed = 0;
 993         NewTemplate->TokenSpace = 0;
 994         NewTemplate->Tokens = NULL;
 995
 996         Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
 997         return NewTemplate;
 998 }
 999
1000 /**
1001  * \brief Display a variable-substituted template
1002  * \param templatename template file to load
1003  */
1004 void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
1005 {
1006         int fd;
1007         struct stat statbuf;
1008         const char *pS, *pE, *pch, *Err;
1009         long Line;
1010         int pos;
1011         WCTemplate *NewTemplate;
1012
1013         fd = open(ChrPtr(filename), O_RDONLY);
1014         if (fd <= 0) {
1015                 lprintf(1, "ERROR: could not open template '%s' - %s\n",
1016                         ChrPtr(filename), strerror(errno));
1017                 return NULL;
1018         }
1019
1020         if (fstat(fd, &statbuf) == -1) {
1021                 lprintf(1, "ERROR: could not stat template '%s' - %s\n",
1022                         ChrPtr(filename), strerror(errno));
1023                 return NULL;
1024         }
1025
1026         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
1027         NewTemplate->Data = NewStrBufPlain(NULL, statbuf.st_size);
1028         NewTemplate->FileName = NewStrBufDup(filename);
1029         NewTemplate->nTokensUsed = 0;
1030         NewTemplate->TokenSpace = 0;
1031         NewTemplate->Tokens = NULL;
1032         if (StrBufReadBLOB(NewTemplate->Data, &fd, 1, statbuf.st_size, &Err) < 0) {
1033                 close(fd);
1034                 FreeWCTemplate(NewTemplate);
1035                 lprintf(1, "ERROR: reading template '%s' - %s<br />\n",
1036                         ChrPtr(filename), strerror(errno));
1037                 return NULL;
1038         }
1039         close(fd);
1040
1041         Line = 0;
1042         pS = pch = ChrPtr(NewTemplate->Data);
1043         pE = pS + StrLength(NewTemplate->Data);
1044         while (pch < pE) {
1045                 const char *pts, *pte;
1046                 int InQuotes = 0;
1047                 int InDoubleQuotes = 0;
1048
1049                 /** Find one <? > */
1050                 pos = (-1);
1051                 for (; pch < pE; pch ++) {
1052                         if ((*pch=='<')&&(*(pch + 1)=='?'))
1053                                 break;
1054                         if (*pch=='\n') Line ++;
1055                 }
1056                 if (pch >= pE)
1057                         continue;
1058                 pts = pch;
1059
1060                 /** Found one? parse it. */
1061                 for (; pch < pE - 1; pch ++) {
1062                         if (*pch == '"')
1063                                 InDoubleQuotes = ! InDoubleQuotes;
1064                         else if (*pch == '\'')
1065                                 InQuotes = ! InQuotes;
1066                         else if ((!InQuotes  && !InDoubleQuotes) &&
1067                                  ((*pch!='\\')&&(*(pch + 1)=='>'))) {
1068                                 pch ++;
1069                                 break;
1070                         }
1071                 }
1072                 if (pch + 1 >= pE)
1073                         continue;
1074                 pte = pch;
1075                 PutNewToken(NewTemplate,
1076                             NewTemplateSubstitute(NewTemplate->Data, pS, pts, pte, Line, NewTemplate));
1077                 pch ++;
1078         }
1079         if (LoadTemplates == 0)
1080                 Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1081         return NewTemplate;
1082 }
1083
1084
1085 ///void PrintTemplate(const char *Key, void *vSubst, int odd)
1086 const char* PrintTemplate(void *vSubst)
1087 {
1088         WCTemplate *Tmpl = vSubst;
1089
1090         return ChrPtr(Tmpl->FileName);
1091
1092 }
1093
1094
1095 /**
1096  * \brief Display a variable-substituted template
1097  * \param templatename template file to load
1098  */
1099 void DoTemplate(const char *templatename, long len, void *Context, StrBuf *Target)
1100 {
1101         HashList *Static;
1102         HashList *StaticLocal;
1103         void *vTmpl;
1104
1105         if (Target == NULL)
1106                 Target = WC->WBuf;
1107         if (WC->is_mobile) {
1108                 Static = WirelessTemplateCache;
1109                 StaticLocal = WirelessLocalTemplateCache;
1110         }
1111         else {
1112                 Static = TemplateCache;
1113                 StaticLocal = LocalTemplateCache;
1114         }
1115
1116         if (len == 0)
1117         {
1118                 lprintf (1, "Can't to load a template with empty name!\n");
1119                 StrBufAppendPrintf(Target, "<pre>\nCan't to load a template with empty name!\n</pre>");
1120                 return;
1121         }
1122
1123         if (!GetHash(StaticLocal, templatename, len, &vTmpl) &&
1124             !GetHash(Static, templatename, len, &vTmpl)) {
1125                 lprintf (1, "didn't find Template [%s] %ld %ld\n", templatename, len , (long)strlen(templatename));
1126                 StrBufAppendPrintf(Target, "<pre>\ndidn't find Template [%s] %ld %ld\n</pre>",
1127                                    templatename, len,
1128                                    (long)strlen(templatename));
1129 ///             dbg_PrintHash(Static, PrintTemplate, NULL);
1130 //              PrintHash(Static, VarPrintTransition, PrintTemplate);
1131                 return;
1132         }
1133         if (vTmpl == NULL)
1134                 return;
1135         ProcessTemplate(vTmpl, Target, Context);
1136 }
1137
1138 int LoadTemplateDir(const char *DirName, HashList *wireless, HashList *big)
1139 {
1140         StrBuf *FileName;
1141         StrBuf *Tag;
1142         StrBuf *Dir;
1143         DIR *filedir = NULL;
1144         struct dirent *filedir_entry;
1145         int d_namelen;
1146         int d_without_ext;
1147         int IsMobile;
1148
1149         Dir = NewStrBuf();
1150         StrBufPrintf(Dir, "%s/t", DirName);
1151         filedir = opendir (ChrPtr(Dir));
1152         if (filedir == NULL) {
1153                 FreeStrBuf(&Dir);
1154                 return 0;
1155         }
1156
1157         FileName = NewStrBuf();
1158         Tag = NewStrBuf();
1159         while ((filedir_entry = readdir(filedir)))
1160         {
1161                 char *MinorPtr;
1162                 char *PStart;
1163 #ifdef _DIRENT_HAVE_D_NAMELEN
1164                 d_namelen = filedir_entry->d_namelen;
1165 #else
1166                 d_namelen = strlen(filedir_entry->d_name);
1167 #endif
1168                 d_without_ext = d_namelen;
1169                 while ((d_without_ext > 0) && (filedir_entry->d_name[d_without_ext] != '.'))
1170                         d_without_ext --;
1171                 if ((d_without_ext == 0) || (d_namelen < 3))
1172                         continue;
1173                 if ((d_namelen > 1) && filedir_entry->d_name[d_namelen - 1] == '~')
1174                         continue; /* Ignore backup files... */
1175
1176                 IsMobile = (strstr(filedir_entry->d_name, ".m.html")!= NULL);
1177                 PStart = filedir_entry->d_name;
1178                 StrBufPrintf(FileName, "%s/%s", ChrPtr(Dir),  filedir_entry->d_name);
1179                 MinorPtr = strchr(filedir_entry->d_name, '.');
1180                 if (MinorPtr != NULL)
1181                         *MinorPtr = '\0';
1182                 StrBufPlain(Tag, filedir_entry->d_name, MinorPtr - filedir_entry->d_name);
1183
1184
1185                 lprintf(1, "%s %d %s\n",ChrPtr(FileName), IsMobile, ChrPtr(Tag));
1186                 if (LoadTemplates == 0)
1187                         load_template(FileName, Tag, (IsMobile)?wireless:big);
1188                 else
1189                         prepare_template(FileName, Tag, (IsMobile)?wireless:big);
1190         }
1191         closedir(filedir);
1192         FreeStrBuf(&FileName);
1193         FreeStrBuf(&Tag);
1194         FreeStrBuf(&Dir);
1195         return 1;
1196 }
1197
1198 void InitTemplateCache(void)
1199 {
1200         LoadTemplateDir(static_dirs[0],
1201                         WirelessTemplateCache,
1202                         TemplateCache);
1203         LoadTemplateDir(static_dirs[1],
1204                         WirelessLocalTemplateCache,
1205                         LocalTemplateCache);
1206 }
1207
1208 void tmplput_serv_ip(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1209 {
1210         StrBufAppendPrintf(Target, "%d", WC->ctdl_pid);
1211 }
1212
1213 void tmplput_serv_nodename(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1214 {
1215         StrEscAppend(Target, NULL, serv_info.serv_nodename, 0, 0);
1216 }
1217
1218 void tmplput_serv_humannode(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1219 {
1220         StrEscAppend(Target, NULL, serv_info.serv_humannode, 0, 0);
1221 }
1222
1223 void tmplput_serv_fqdn(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1224 {
1225         StrEscAppend(Target, NULL, serv_info.serv_fqdn, 0, 0);
1226 }
1227
1228 void tmmplput_serv_software(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1229 {
1230         StrEscAppend(Target, NULL, serv_info.serv_software, 0, 0);
1231 }
1232
1233 void tmplput_serv_rev_level(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1234 {
1235         StrBufAppendPrintf(Target, "%d.%02d",
1236                             serv_info.serv_rev_level / 100,
1237                             serv_info.serv_rev_level % 100);
1238 }
1239
1240 void tmmplput_serv_bbs_city(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1241 {
1242         StrEscAppend(Target, NULL, serv_info.serv_bbs_city, 0, 0);
1243 }
1244
1245 void tmplput_current_user(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1246 {
1247         StrEscAppend(Target, NULL, WC->wc_fullname, 0, 0);
1248 }
1249
1250 void tmplput_current_room(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1251 {
1252         StrEscAppend(Target, NULL, WC->wc_roomname, 0, 0);
1253 }
1254
1255
1256 typedef struct _HashIterator {
1257         HashList *StaticList;
1258         int AdditionalParams;
1259         RetrieveHashlistFunc GetHash;
1260         HashDestructorFunc Destructor;
1261         SubTemplFunc DoSubTemplate;
1262 } HashIterator;
1263
1264 void tmpl_iterate_subtmpl(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1265 {
1266         void *vIt;
1267         HashIterator *It;
1268         HashList *List;
1269         HashPos  *it;
1270         long len;
1271         const char *Key;
1272         void *vContext;
1273         StrBuf *SubBuf;
1274         int oddeven = 0;
1275
1276         if (!GetHash(Iterators,
1277                      Tokens->Params[0]->Start,
1278                      Tokens->Params[0]->len,
1279                      &vIt)) {
1280                 lprintf(1, "unknown Iterator [%s] (in line %ld); "
1281                         " [%s]\n",
1282                         Tokens->Params[0]->Start,
1283                         Tokens->Line,
1284                         ChrPtr(Tokens->FlatToken));
1285                 StrBufAppendPrintf(
1286                         Target,
1287                         "<pre>\nunknown Iterator [%s] (in line %ld); \n"
1288                         " [%s]\n</pre>",
1289                         Tokens->Params[0]->Start,
1290                         Tokens->Line,
1291                         ChrPtr(Tokens->FlatToken));
1292                 return;
1293         }
1294
1295         It = (HashIterator*) vIt;
1296
1297         if (Tokens->nParameters < It->AdditionalParams + 2) {
1298                 lprintf(1, "Iterator [%s] (in line %ld); "
1299                         "doesn't work with %ld params [%s]\n",
1300                         Tokens->Params[0]->Start,
1301                         Tokens->Line,
1302                         Tokens->nParameters,
1303                         ChrPtr(Tokens->FlatToken));
1304                 StrBufAppendPrintf(
1305                         Target,
1306                         "<pre>Iterator [%s] \n(in line %ld);\n"
1307                         "doesn't work with %ld params \n[%s]\n</pre>",
1308                         Tokens->Params[0]->Start,
1309                         Tokens->Line,
1310                         Tokens->nParameters,
1311                         ChrPtr(Tokens->FlatToken));
1312                 return;
1313         }
1314
1315         if (It->StaticList == NULL)
1316                 List = It->GetHash(Tokens);
1317         else
1318                 List = It->StaticList;
1319
1320         SubBuf = NewStrBuf();
1321         it = GetNewHashPos();
1322         while (GetNextHashPos(List, it, &len, &Key, &vContext)) {
1323                 svprintf(HKEY("ITERATE:ODDEVEN"), WCS_STRING, "%s", (oddeven)?"odd":"even");
1324                 svprintf(HKEY("ITERATE:KEY"), WCS_STRING, "%s",Key);
1325                 It->DoSubTemplate(SubBuf, vContext, Tokens);
1326                 DoTemplate(Tokens->Params[1]->Start,
1327                            Tokens->Params[1]->len,
1328                            vContext, SubBuf);
1329
1330                 StrBufAppendBuf(Target, SubBuf, 0);
1331                 FlushStrBuf(SubBuf);
1332                 oddeven = ~ oddeven;
1333         }
1334         FreeStrBuf(&SubBuf);
1335         DeleteHashPos(&it);
1336         if (It->Destructor != NULL)
1337                 It->Destructor(&List);
1338 }
1339
1340 int ConditionalVar(WCTemplateToken *Tokens, void *Context)
1341 {
1342         void *vsubst;
1343         wcsubst *subst;
1344
1345         if (!GetHash(WC->vars,
1346                      Tokens->Params[2]->Start,
1347                      Tokens->Params[2]->len,
1348                      &vsubst))
1349                 return 0;
1350         subst = (wcsubst*) vsubst;
1351         switch(subst->wcs_type) {
1352         case WCS_FUNCTION:
1353                 return (subst->wcs_function!=NULL);
1354         case WCS_SERVCMD:
1355                 lprintf(1, "  -> Server [%s]\n", subst->wcs_value);////todo
1356                 return 1;
1357         case WCS_STRING:
1358         case WCS_STRBUF:
1359         case WCS_STRBUF_REF:
1360                 if (Tokens->nParameters < 4)
1361                         return 1;
1362                 return (strcmp(Tokens->Params[3]->Start, ChrPtr(subst->wcs_value)) == 0);
1363         case WCS_LONG:
1364                 if (Tokens->nParameters < 4)
1365                         return (subst->lvalue != 0);
1366                 return (subst->lvalue == Tokens->Params[3]->lvalue);
1367         default:
1368                 lprintf(1,"  WARNING: invalid type: [%ld]!\n", subst->wcs_type);
1369         }
1370         return 0;
1371 }
1372
1373 void RegisterITERATOR(const char *Name, long len,
1374                       int AdditionalParams,
1375                       HashList *StaticList,
1376                       RetrieveHashlistFunc GetHash,
1377                       SubTemplFunc DoSubTempl,
1378                       HashDestructorFunc Destructor)
1379 {
1380         HashIterator *It = (HashIterator*)malloc(sizeof(HashIterator));
1381         It->StaticList = StaticList;
1382         It->AdditionalParams = AdditionalParams;
1383         It->GetHash = GetHash;
1384         It->DoSubTemplate = DoSubTempl;
1385         It->Destructor = Destructor;
1386         Put(Iterators, Name, len, It, NULL);
1387 }
1388
1389 void RegisterConditional(const char *Name, long len,
1390                          int nParams,
1391                          WCConditionalFunc CondF)
1392 {
1393         ConditionalStruct *Cond = (ConditionalStruct*)malloc(sizeof(ConditionalStruct));
1394         Cond->nParams = nParams;
1395         Cond->CondF = CondF;
1396         Put(Contitionals, Name, len, Cond, NULL);
1397 }
1398
1399 void tmpl_do_boxed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1400 {
1401         if (nArgs == 2) {
1402                 StrBuf *Headline = NewStrBuf();
1403                 DoTemplate(Tokens->Params[1]->Start,
1404                            Tokens->Params[1]->len,
1405                            Context,
1406                            Headline);
1407                 SVPutBuf("BOXTITLE", Headline, 0);
1408         }
1409
1410         DoTemplate(HKEY("beginbox"), Context, Target);
1411         DoTemplate(Tokens->Params[0]->Start,
1412                    Tokens->Params[0]->len,
1413                    Context,
1414                    Target);
1415         DoTemplate(HKEY("endbox"), Context, Target);
1416 }
1417
1418 void tmpl_do_tabbed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
1419 {
1420         StrBuf **TabNames;
1421         int i, ntabs, nTabs;
1422
1423         nTabs = ntabs = Tokens->nParameters / 2;
1424         TabNames = (StrBuf **) malloc(ntabs * sizeof(StrBuf*));
1425
1426         for (i = 0; i < ntabs; i++) {
1427                 TabNames[i] = NewStrBuf();
1428                 if (Tokens->Params[i * 2]->len > 0) {
1429                         DoTemplate(Tokens->Params[i * 2]->Start,
1430                                    Tokens->Params[i * 2]->len,
1431                                    Context,
1432                                    TabNames[i]);
1433                 }
1434                 else {
1435                         /** A Tab without subject? we can't count that, add it as silent */
1436                         nTabs --;
1437                 }
1438         }
1439
1440         StrTabbedDialog(Target, nTabs, TabNames);
1441         for (i = 0; i < ntabs; i++) {
1442                 StrBeginTab(Target, i, nTabs);
1443
1444                 DoTemplate(Tokens->Params[i * 2 + 1]->Start,
1445                            Tokens->Params[i * 2 + 1]->len,
1446                            Context,
1447                            Target);
1448                 StrEndTab(Target, i, nTabs);
1449         }
1450 }
1451
1452 void
1453 InitModule_SUBST
1454 (void)
1455 {
1456         RegisterNamespace("SERV:PID", 0, 0, tmplput_serv_ip);
1457         RegisterNamespace("SERV:NODENAME", 0, 0, tmplput_serv_nodename);
1458         RegisterNamespace("SERV:HUMANNODE", 0, 0, tmplput_serv_humannode);
1459         RegisterNamespace("SERV:FQDN", 0, 0, tmplput_serv_fqdn);
1460         RegisterNamespace("SERV:SOFTWARE", 0, 0, tmmplput_serv_software);
1461         RegisterNamespace("SERV:REV_LEVEL", 0, 0, tmplput_serv_rev_level);
1462         RegisterNamespace("SERV:BBS_CITY", 0, 0, tmmplput_serv_bbs_city);
1463 ///     RegisterNamespace("SERV:LDAP_SUPP", 0, 0, tmmplput_serv_ldap_enabled);
1464         RegisterNamespace("CURRENT_USER", 0, 0, tmplput_current_user);
1465         RegisterNamespace("CURRENT_ROOM", 0, 0, tmplput_current_room);
1466         RegisterNamespace("ITERATE", 2, 100, tmpl_iterate_subtmpl);
1467         RegisterNamespace("DOBOXED", 1, 2, tmpl_do_boxed);
1468         RegisterNamespace("DOTABBED", 2, 100, tmpl_do_tabbed);
1469         RegisterConditional(HKEY("COND:SUBST"), 3, ConditionalVar);
1470 }
1471
1472 /*@}*/