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         int ContextRequired;
  55         WCHandlerFunc HandlerFunc;
  56 }HashHandler;
  57
  58 void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere);
  59
  60 void RegisterNS(const char *NSName,
  61                 long len,
  62                 int nMinArgs,
  63                 int nMaxArgs,
  64                 WCHandlerFunc HandlerFunc,
  65                 int ContextRequired)
  66 {
  67         HashHandler *NewHandler;
  68
  69         NewHandler = (HashHandler*) malloc(sizeof(HashHandler));
  70         NewHandler->nMinArgs = nMinArgs;
  71         NewHandler->nMaxArgs = nMaxArgs;
  72         NewHandler->HandlerFunc = HandlerFunc;
  73         NewHandler->ContextRequired = ContextRequired;
  74         Put(GlobalNS, NSName, len, NewHandler, NULL);
  75 }
  76
  77 void FreeToken(WCTemplateToken **Token)
  78 {
  79         int i;
  80         FreeStrBuf(&(*Token)->FlatToken);
  81         if ((*Token)->HaveParameters)
  82                 for (i = 0; i < (*Token)->nParameters; i++)
  83                         free((*Token)->Params[i]);
  84         free(*Token);
  85         *Token = NULL;
  86 }
  87
  88
  89
  90 void FreeWCTemplate(void *vFreeMe)
  91 {
  92         int i;
  93         WCTemplate *FreeMe = (WCTemplate*)vFreeMe;
  94
  95         if (FreeMe->TokenSpace > 0) {
  96                 for (i = 0; i < FreeMe->nTokensUsed; i ++) {
  97                         FreeToken(&FreeMe->Tokens[i]);
  98                 }
  99                 free(FreeMe->Tokens);
 100         }
 101         FreeStrBuf(&FreeMe->FileName);
 102         FreeStrBuf(&FreeMe->Data);
 103         free(FreeMe);
 104 }
 105
 106
 107 /**
 108  * \brief debugging function to print array to log
 109  */
 110 void VarPrintTransition(void *vVar1, void *vVar2, int odd){}
 111 /**
 112  * \brief debugging function to print array to log
 113  */
 114 void VarPrintEntry(const char *Key, void *vSubst, int odd)
 115 {
 116         wcsubst *ptr;
 117         lprintf(1,"Subst[%s] : ", Key);
 118         ptr = (wcsubst*) vSubst;
 119
 120         switch(ptr->wcs_type) {
 121         case WCS_STRING:
 122                 lprintf(1, "  -> %s\n", ChrPtr(ptr->wcs_value));
 123                 break;
 124         case WCS_SERVCMD:
 125                 lprintf(1, "  -> Server [%s]\n", ChrPtr(ptr->wcs_value));
 126                 break;
 127         case WCS_FUNCTION:
 128                 lprintf(1, "  -> function at [%0xd]\n", ptr->wcs_function);
 129                 break;
 130         default:
 131                 lprintf(1,"  WARNING: invalid type: [%ld]!\n", ptr->wcs_type);
 132         }
 133 }
 134
 135
 136
 137 /**
 138  * \brief Clear out the list of substitution variables local to this session
 139  */
 140 void clear_substs(struct wcsession *wc) {
 141
 142         if (wc->vars != NULL) {
 143                 DeleteHash(&wc->vars);
 144         }
 145 }
 146
 147 /**
 148  * \brief Clear out the list of substitution variables local to this session
 149  */
 150 void clear_local_substs(void) {
 151         clear_substs (WC);
 152 }
 153
 154 int NeedNewBuf(type)
 155 {
 156         switch(type) {
 157         case WCS_STRING:
 158         case WCS_SERVCMD:
 159         case WCS_STRBUF:
 160                 return 1;
 161         case WCS_FUNCTION:
 162         case WCS_STRBUF_REF:
 163         case WCS_LONG:
 164         default:
 165                 return 0;
 166         }
 167 }
 168
 169 void FlushPayload(wcsubst *ptr, int reusestrbuf, int type)
 170 {
 171         int NeedNew = NeedNewBuf(type);
 172         switch(ptr->wcs_type) {
 173         case WCS_STRING:
 174         case WCS_SERVCMD:
 175         case WCS_STRBUF:
 176                 if (reusestrbuf && NeedNew) {
 177                         FlushStrBuf(ptr->wcs_value);
 178                 }
 179                 else {
 180
 181                         FreeStrBuf(&ptr->wcs_value);
 182                         ptr->wcs_value = NULL;
 183                 }
 184                 break;
 185         case WCS_FUNCTION:
 186                 ptr->wcs_function = NULL;
 187                 if (reusestrbuf && NeedNew)
 188                         ptr->wcs_value = NewStrBuf();
 189                 break;
 190         case WCS_STRBUF_REF:
 191                 ptr->wcs_value = NULL;
 192                 if (reusestrbuf && NeedNew)
 193                         ptr->wcs_value = NewStrBuf();
 194                 break;
 195         case WCS_LONG:
 196                 ptr->lvalue = 0;
 197                 if (reusestrbuf && NeedNew)
 198                         ptr->wcs_value = NewStrBuf();
 199                 break;
 200         default:
 201                 if (reusestrbuf && NeedNew)
 202                         ptr->wcs_value = NewStrBuf();
 203                 break;
 204         }
 205 }
 206
 207
 208 /**
 209  * \brief destructor; kill one entry.
 210  */
 211 void deletevar(void *data)
 212 {
 213         wcsubst *ptr = (wcsubst*)data;
 214         FlushPayload(ptr, 0, ptr->wcs_type);
 215         free(ptr);
 216 }
 217
 218
 219 wcsubst *NewSubstVar(const char *keyname, int keylen, int type)
 220 {
 221         wcsubst* ptr;
 222         struct wcsession *WCC = WC;
 223
 224         ptr = (wcsubst *) malloc(sizeof(wcsubst));
 225         memset(ptr, 0, sizeof(wcsubst));
 226
 227         ptr->wcs_type = type;
 228         safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
 229         Put(WCC->vars, keyname, keylen, ptr,  deletevar);
 230
 231         switch(ptr->wcs_type) {
 232         case WCS_STRING:
 233         case WCS_SERVCMD:
 234                 ptr->wcs_value = NewStrBuf();
 235                 break;
 236         case WCS_STRBUF:
 237         case WCS_FUNCTION:
 238         case WCS_STRBUF_REF:
 239         case WCS_LONG:
 240         default:
 241                 break;
 242         }
 243         return ptr;
 244 }
 245
 246
 247 /**
 248  * \brief Add a substitution variable (local to this session) (strlen version...)
 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, int keytype, const char *format,...)
 255 {
 256         va_list arg_ptr;
 257         void *vPtr;
 258         wcsubst *ptr = NULL;
 259         size_t keylen;
 260         struct wcsession *WCC = WC;
 261
 262         keylen = strlen(keyname);
 263         /**
 264          * First look if we're doing a replacement of
 265          * an existing key
 266          */
 267         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 268         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 269                 ptr = (wcsubst*)vPtr;
 270                 FlushPayload(ptr, keytype, keytype);
 271                 ptr->wcs_type = keytype;
 272         }
 273         else    /** Otherwise allocate a new one */
 274         {
 275                 ptr = NewSubstVar(keyname, keylen, keytype);
 276         }
 277
 278         /** Format the string */
 279         va_start(arg_ptr, format);
 280         StrBufVAppendPrintf(ptr->wcs_value, format, arg_ptr);
 281         va_end(arg_ptr);
 282 }
 283
 284 /**
 285  * \brief Add a substitution variable (local to this session)
 286  * \param keyname the replacementstring to substitute
 287  * \param keytype the kind of the key
 288  * \param format the format string ala printf
 289  * \param ... the arguments to substitute in the formatstring
 290  */
 291 void svprintf(char *keyname, size_t keylen, int keytype, const char *format,...)
 292 {
 293         va_list arg_ptr;
 294         void *vPtr;
 295         wcsubst *ptr = NULL;
 296         struct wcsession *WCC = WC;
 297
 298         /**
 299          * First look if we're doing a replacement of
 300          * an existing key
 301          */
 302         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 303         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 304                 ptr = (wcsubst*)vPtr;
 305                 FlushPayload(ptr, 1, keytype);
 306                 ptr->wcs_type = keytype;
 307         }
 308         else    /** Otherwise allocate a new one */
 309         {
 310                 ptr = NewSubstVar(keyname, keylen, keytype);
 311         }
 312
 313         /** Format the string and save it */
 314         va_start(arg_ptr, format);
 315         StrBufVAppendPrintf(ptr->wcs_value, format, arg_ptr);
 316         va_end(arg_ptr);
 317 }
 318
 319 /**
 320  * \brief Add a substitution variable (local to this session)
 321  * \param keyname the replacementstring to substitute
 322  * \param keytype the kind of the key
 323  * \param format the format string ala printf
 324  * \param ... the arguments to substitute in the formatstring
 325  */
 326 void SVPut(char *keyname, size_t keylen, int keytype, char *Data)
 327 {
 328         void *vPtr;
 329         wcsubst *ptr = NULL;
 330         struct wcsession *WCC = WC;
 331
 332
 333         /**
 334          * First look if we're doing a replacement of
 335          * an existing key
 336          */
 337         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 338         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 339                 ptr = (wcsubst*)vPtr;
 340                 FlushPayload(ptr, 1, keytype);
 341                 ptr->wcs_type = keytype;
 342         }
 343         else    /** Otherwise allocate a new one */
 344         {
 345                 ptr = NewSubstVar(keyname, keylen, keytype);
 346         }
 347         StrBufAppendBufPlain(ptr->wcs_value, Data, -1, 0);
 348 }
 349
 350 /**
 351  * \brief Add a substitution variable (local to this session)
 352  * \param keyname the replacementstring to substitute
 353  * \param keytype the kind of the key
 354  * \param format the format string ala printf
 355  * \param ... the arguments to substitute in the formatstring
 356  */
 357 void SVPutLong(char *keyname, size_t keylen, long Data)
 358 {
 359         void *vPtr;
 360         wcsubst *ptr = NULL;
 361         struct wcsession *WCC = WC;
 362
 363
 364         /**
 365          * First look if we're doing a replacement of
 366          * an existing key
 367          */
 368         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 369         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 370                 ptr = (wcsubst*)vPtr;
 371                 FlushPayload(ptr, 1, WCS_LONG);
 372                 ptr->wcs_type = WCS_LONG;
 373         }
 374         else    /** Otherwise allocate a new one */
 375         {
 376                 ptr = NewSubstVar(keyname, keylen, WCS_LONG);
 377         }
 378         ptr->lvalue = Data;
 379 }
 380
 381 /**
 382  * \brief Add a substitution variable (local to this session) that does a callback
 383  * \param keyname the keystring to substitute
 384  * \param fcn_ptr the function callback to give the substitution string
 385  */
 386 void SVCallback(char *keyname, size_t keylen, WCHandlerFunc fcn_ptr)
 387 {
 388         wcsubst *ptr;
 389         void *vPtr;
 390         struct wcsession *WCC = WC;
 391
 392         /**
 393          * First look if we're doing a replacement of
 394          * an existing key
 395          */
 396         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 397         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 398                 ptr = (wcsubst*)vPtr;
 399                 FlushPayload(ptr, 1, WCS_FUNCTION);
 400                 ptr->wcs_type = WCS_FUNCTION;
 401         }
 402         else    /** Otherwise allocate a new one */
 403         {
 404                 ptr = NewSubstVar(keyname, keylen, WCS_FUNCTION);
 405         }
 406
 407         ptr->wcs_function = fcn_ptr;
 408 }
 409 inline void SVCALLBACK(char *keyname, WCHandlerFunc fcn_ptr)
 410 {
 411         SVCallback(keyname, strlen(keyname), fcn_ptr);
 412 }
 413
 414
 415
 416 void SVPUTBuf(const char *keyname, int keylen, const StrBuf *Buf, int ref)
 417 {
 418         wcsubst *ptr;
 419         void *vPtr;
 420         struct wcsession *WCC = WC;
 421
 422         /**
 423          * First look if we're doing a replacement of
 424          * an existing key
 425          */
 426         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 427         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 428                 ptr = (wcsubst*)vPtr;
 429                 FlushPayload(ptr, 0, (ref)?WCS_STRBUF_REF:WCS_STRBUF);
 430                 ptr->wcs_type = (ref)?WCS_STRBUF_REF:WCS_STRBUF;
 431         }
 432         else    /** Otherwise allocate a new one */
 433         {
 434                 ptr = NewSubstVar(keyname, keylen, (ref)?WCS_STRBUF_REF:WCS_STRBUF);
 435         }
 436         ptr->wcs_value = (StrBuf*)Buf;
 437 }
 438
 439 /**
 440  * \brief back end for print_value_of() ... does a server command
 441  * \param servcmd server command to execute on the citadel server
 442  */
 443 void pvo_do_cmd(StrBuf *Target, StrBuf *servcmd) {
 444         char buf[SIZ];
 445         int len;
 446
 447         serv_puts(ChrPtr(servcmd));
 448         len = serv_getln(buf, sizeof buf);
 449
 450         switch(buf[0]) {
 451                 case '2':
 452                 case '3':
 453                 case '5':
 454                         StrBufAppendPrintf(Target, "%s\n", &buf[4]);
 455                         break;
 456                 case '1':
 457                         _fmout(Target, "CENTER");
 458                         break;
 459                 case '4':
 460                         StrBufAppendPrintf(Target, "%s\n", &buf[4]);
 461                         serv_puts("000");
 462                         break;
 463         }
 464 }
 465
 466 /**
 467  * \brief Print the value of a variable
 468  * \param keyname get a key to print
 469  */
 470 void print_value_of(StrBuf *Target, WCTemplateToken *Token, void *Context, int ContextType) {
 471         struct wcsession *WCC = WC;
 472         wcsubst *ptr;
 473         void *vVar;
 474
 475         /*if (WCC->vars != NULL) PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 476         /// TODO: debricated!
 477         if (Token->pName[0] == '=') {
 478                 DoTemplate(Token->pName+1, Token->NameEnd - 1, NULL, NULL, 0);
 479         }
 480
 481 //////TODO: if param[1] == "U" -> urlescape
 482 /// X -> escputs
 483         /** Page-local variables */
 484         if ((WCC->vars!= NULL) && GetHash(WCC->vars, Token->pName, Token->NameEnd, &vVar)) {
 485                 ptr = (wcsubst*) vVar;
 486                 switch(ptr->wcs_type) {
 487                 case WCS_STRING:
 488                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 489                         break;
 490                 case WCS_SERVCMD:
 491                         pvo_do_cmd(Target, ptr->wcs_value);
 492                         break;
 493                 case WCS_FUNCTION:
 494                         (*ptr->wcs_function) (Target, Token->nParameters, Token, Context, ContextType);
 495                         break;
 496                 case WCS_STRBUF:
 497                 case WCS_STRBUF_REF:
 498                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 499                         break;
 500                 case WCS_LONG:
 501                         StrBufAppendPrintf(Target, "%ld", ptr->lvalue);
 502                         break;
 503                 default:
 504                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n", Token->pName);
 505                         StrBufAppendPrintf(Target, "<pre>WARNING: \ninvalid value in SV-Hash at %s!\n</pre>", Token->pName);
 506                 }
 507         }
 508 }
 509
 510 int CompareSubstToToken(TemplateParam *ParamToCompare, TemplateParam *ParamToLookup)
 511 {
 512         struct wcsession *WCC = WC;
 513         wcsubst *ptr;
 514         void *vVar;
 515
 516         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 517                                           ParamToLookup->len, &vVar)) {
 518                 ptr = (wcsubst*) vVar;
 519                 switch(ptr->wcs_type) {
 520                 case WCS_STRING:
 521                 case WCS_STRBUF:
 522                 case WCS_STRBUF_REF:
 523                         if (ParamToCompare->Type == TYPE_STR)
 524                                 return ((ParamToCompare->len == StrLength(ptr->wcs_value)) &&
 525                                         (strcmp(ParamToCompare->Start, ChrPtr(ptr->wcs_value)) == 0));
 526                         else
 527                                 return ParamToCompare->lvalue == StrTol(ptr->wcs_value);
 528                         break;
 529                 case WCS_SERVCMD:
 530                         return 1;
 531                         break;
 532                 case WCS_FUNCTION:
 533                         return 1;
 534                 case WCS_LONG:
 535                         if (ParamToCompare->Type == TYPE_STR)
 536                                 return 0;
 537                         else
 538                                 return ParamToCompare->lvalue == ptr->lvalue;
 539                         break;
 540                 default:
 541                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n",
 542                                 ParamToLookup->Start);
 543                 }
 544         }
 545         return 0;
 546 }
 547
 548 int CompareSubstToStrBuf(StrBuf *Compare, TemplateParam *ParamToLookup)
 549 {
 550         struct wcsession *WCC = WC;
 551         wcsubst *ptr;
 552         void *vVar;
 553
 554         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 555                                           ParamToLookup->len, &vVar)) {
 556                 ptr = (wcsubst*) vVar;
 557                 switch(ptr->wcs_type) {
 558                 case WCS_STRING:
 559                 case WCS_STRBUF:
 560                 case WCS_STRBUF_REF:
 561                         return ((StrLength(Compare) == StrLength(ptr->wcs_value)) &&
 562                                 (strcmp(ChrPtr(Compare), ChrPtr(ptr->wcs_value)) == 0));
 563                 case WCS_SERVCMD:
 564                         return 1;
 565                         break;
 566                 case WCS_FUNCTION:
 567                         return 1;
 568                 case WCS_LONG:
 569                         return StrTol(Compare) == ptr->lvalue;
 570                 default:
 571                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n",
 572                                 ParamToLookup->Start);
 573                 }
 574         }
 575         return 0;
 576 }
 577
 578
 579 void PutNewToken(WCTemplate *Template, WCTemplateToken *NewToken)
 580 {
 581         if (Template->nTokensUsed + 1 >= Template->TokenSpace) {
 582                 if (Template->TokenSpace <= 0) {
 583                         Template->Tokens = (WCTemplateToken**)malloc(
 584                                 sizeof(WCTemplateToken*) * 10);
 585                         Template->TokenSpace = 10;
 586                 }
 587                 else {
 588                         WCTemplateToken **NewTokens;
 589                         NewTokens= (WCTemplateToken**)malloc(
 590                                 sizeof(WCTemplateToken*) *
 591                                 Template->TokenSpace * 2);
 592                         memcpy(NewTokens, Template->Tokens,
 593                                sizeof(WCTemplateToken*) * Template->nTokensUsed);
 594                         free(Template->Tokens);
 595                         Template->TokenSpace *= 2;
 596                         Template->Tokens = NewTokens;
 597                 }
 598         }
 599         Template->Tokens[(Template->nTokensUsed)++] = NewToken;
 600 }
 601
 602 TemplateParam *GetNextParameter(StrBuf *Buf, const char **pCh, const char *pe, WCTemplateToken *Token, WCTemplate *pTmpl)
 603 {
 604         const char *pch = *pCh;
 605         const char *pchs, *pche;
 606         TemplateParam *Parm = (TemplateParam *) malloc(sizeof(TemplateParam));
 607         char quote = '\0';
 608
 609         /* Skip leading whitespaces */
 610         while ((*pch == ' ' )||
 611                (*pch == '\t')||
 612                (*pch == '\r')||
 613                (*pch == '\n')) pch ++;
 614         if (*pch == '"')
 615                 quote = '"';
 616         else if (*pch == '\'')
 617                 quote = '\'';
 618         if (quote != '\0') {
 619                 pch ++;
 620                 pchs = pch;
 621                 Parm->Type = TYPE_STR;
 622                 while (pch <= pe &&
 623                        ((*pch != quote) ||
 624                         ( (pch > pchs) && (*(pch - 1) == '\\'))
 625                                )) {
 626                         pch ++;
 627                 }
 628                 pche = pch;
 629                 if (*pch != quote) {
 630                         lprintf(1, "Error (in '%s' line %ld); "
 631                                 "evaluating template param [%s] in Token [%s]\n",
 632                                 ChrPtr(pTmpl->FileName),
 633                                 Token->Line,
 634                                 ChrPtr(Token->FlatToken),
 635                                 *pCh);
 636                         pch ++;
 637                         free(Parm);
 638                         return NULL;
 639                 }
 640                 else {
 641                         StrBufPeek(Buf, pch, -1, '\0');
 642                         if (LoadTemplates > 1) {
 643                                 lprintf(1, "DBG: got param [%s] %ld %ld\n",
 644                                         pchs, pche - pchs, strlen(pchs));
 645                         }
 646                         Parm->Start = pchs;
 647                         Parm->len = pche - pchs;
 648                         pch ++; /* move after trailing quote */
 649                 }
 650         }
 651         else {
 652                 Parm->Type = TYPE_LONG;
 653                 pchs = pch;
 654                 while ((pch <= pe) &&
 655                        (isdigit(*pch) ||
 656                         (*pch == '+') ||
 657                         (*pch == '-')))
 658                         pch ++;
 659                 pch ++;
 660                 if (pch - pchs > 1){
 661                         StrBufPeek(Buf, pch, -1, '\0');
 662                         Parm->lvalue = atol(pchs);
 663                         Parm->Start = pchs;
 664                         pch++;
 665                 }
 666                 else {
 667                         Parm->lvalue = 0;
 668                         lprintf(1, "Error (in '%s' line %ld); "
 669                                 "evaluating long template param [%s] in Token [%s]\n",
 670                                 ChrPtr(pTmpl->FileName),
 671                                 Token->Line,
 672                                 ChrPtr(Token->FlatToken),
 673                                 *pCh);
 674                         free(Parm);
 675                         return NULL;
 676                 }
 677         }
 678         while ((*pch == ' ' )||
 679                (*pch == '\t')||
 680                (*pch == '\r')||
 681                (*pch == ',' )||
 682                (*pch == '\n')) pch ++;
 683
 684         *pCh = pch;
 685         return Parm;
 686 }
 687
 688 WCTemplateToken *NewTemplateSubstitute(StrBuf *Buf,
 689                                        const char *pStart,
 690                                        const char *pTmplStart,
 691                                        const char *pTmplEnd,
 692                                        long Line,
 693                                        WCTemplate *pTmpl)
 694 {
 695         const char *pch;
 696         TemplateParam *Param;
 697         WCTemplateToken *NewToken = (WCTemplateToken*)malloc(sizeof(WCTemplateToken));
 698
 699         NewToken->Flags = 0;
 700         NewToken->Line = Line + 1;
 701         NewToken->pTokenStart = pTmplStart;
 702         NewToken->TokenStart = pTmplStart - pStart;
 703         NewToken->TokenEnd =  (pTmplEnd - pStart) - NewToken->TokenStart;
 704         NewToken->pTokenEnd = pTmplEnd;
 705         NewToken->NameEnd = NewToken->TokenEnd - 2;
 706         NewToken->PreEval = NULL;
 707         NewToken->FlatToken = NewStrBufPlain(pTmplStart + 2, pTmplEnd - pTmplStart - 2);
 708
 709         StrBufPeek(Buf, pTmplStart, + 1, '\0');
 710         StrBufPeek(Buf, pTmplEnd, -1, '\0');
 711         pch = NewToken->pName = pTmplStart + 2;
 712
 713         NewToken->HaveParameters = 0;;
 714         NewToken->nParameters = 0;
 715
 716         while (pch < pTmplEnd - 1) {
 717                 if (*pch == '(') {
 718                         StrBufPeek(Buf, pch, -1, '\0');
 719                         NewToken->NameEnd = pch - NewToken->pName;
 720                         pch ++;
 721                         while (pch < pTmplEnd - 1) {
 722                                 Param = GetNextParameter(Buf, &pch, pTmplEnd - 1, NewToken, pTmpl);
 723                                 if (Param != NULL) {
 724                                         NewToken->HaveParameters = 1;
 725                                         if (NewToken->nParameters > MAXPARAM) {
 726                                                 lprintf(1, "Error (in '%s' line %ld); "
 727                                                         "only [%ld] Params allowed in Tokens [%s]\n",
 728                                                         ChrPtr(pTmpl->FileName),
 729                                                         NewToken->Line,
 730                                                         MAXPARAM,
 731                                                         ChrPtr(NewToken->FlatToken));
 732                                                 free(Param);
 733                                                 FreeToken(&NewToken);
 734                                                 return NULL;
 735                                         }
 736                                         NewToken->Params[NewToken->nParameters++] = Param;
 737                                 }
 738                                 else break;
 739                         }
 740                         if((NewToken->NameEnd == 1) &&
 741                            (NewToken->HaveParameters == 1))
 742
 743                         {
 744                                 if ((NewToken->nParameters == 1) &&
 745                                     (*(NewToken->pName) == '_'))
 746                                         NewToken->Flags = SV_GETTEXT;
 747                                 else if ((NewToken->nParameters == 1) &&
 748                                          (*(NewToken->pName) == '='))
 749                                         NewToken->Flags = SV_SUBTEMPL;
 750                                 else if ((NewToken->nParameters >= 2) &&
 751                                          (*(NewToken->pName) == '%'))
 752                                         NewToken->Flags = SV_CUST_STR_CONDITIONAL;
 753                                 else if ((NewToken->nParameters >= 2) &&
 754                                          (*(NewToken->pName) == '?'))
 755                                         NewToken->Flags = SV_CONDITIONAL;
 756                                 else if ((NewToken->nParameters >=2) &&
 757                                          (*(NewToken->pName) == '!'))
 758                                         NewToken->Flags = SV_NEG_CONDITIONAL;
 759                         }
 760                 }
 761                 else pch ++;
 762         }
 763
 764         if (NewToken->Flags == 0) {
 765                 /* If we're able to find out more about the token, do it now while its fresh. */
 766                 void *vVar;
 767                 if (GetHash(GlobalNS, NewToken->pName, NewToken->NameEnd, &vVar)) {
 768                         HashHandler *Handler;
 769                         Handler = (HashHandler*) vVar;
 770                         if ((NewToken->nParameters < Handler->nMinArgs) ||
 771                             (NewToken->nParameters > Handler->nMaxArgs)) {
 772                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
 773                                         "doesn't work with %ld params [%s]\n",
 774                                         NewToken->pName,
 775                                         ChrPtr(pTmpl->FileName),
 776                                         NewToken->Line,
 777                                         NewToken->nParameters,
 778                                         ChrPtr(NewToken->FlatToken));
 779                         }
 780                         else {
 781                                 NewToken->PreEval = Handler;
 782                                 NewToken->Flags = SV_PREEVALUATED;
 783                         }
 784                 }
 785         }
 786
 787         return NewToken;
 788 }
 789
 790
 791
 792 int EvaluateConditional(StrBuf *Target, WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int Neg, int state, int ContextType)
 793 {
 794         void *vConditional = NULL;
 795         ConditionalStruct *Cond;
 796
 797         if ((Token->Params[0]->len == 1) &&
 798             (Token->Params[0]->Start[0] == 'X'))
 799                 return (state != 0)?Token->Params[1]->lvalue:0;
 800
 801         if (!GetHash(Contitionals,
 802                  Token->Params[0]->Start,
 803                  Token->Params[0]->len,
 804                  &vConditional) ||
 805             (vConditional == NULL)) {
 806                 lprintf(1, "Conditional [%s] (in '%s' line %ld); Not found![%s]\n",
 807                         Token->Params[0]->Start,
 808                         ChrPtr(pTmpl->FileName),
 809                         Token->Line,
 810                         ChrPtr(Token->FlatToken));
 811                 StrBufAppendPrintf(
 812                         Target,
 813                         "<pre>\nConditional [%s] (in '%s' line %ld); Not found!\n[%s]\n</pre>\n",
 814                         Token->Params[0]->Start,
 815                         ChrPtr(pTmpl->FileName),
 816                         Token->Line,
 817                         ChrPtr(Token->FlatToken));
 818         }
 819
 820         Cond = (ConditionalStruct *) vConditional;
 821
 822         if (Token->nParameters < Cond->nParams) {
 823                 lprintf(1, "Conditional [%s] (in '%s' line %ld); needs %ld Params![%s]\n",
 824                         Token->Params[0]->Start,
 825                         ChrPtr(pTmpl->FileName),
 826                         Token->Line,
 827                         Cond->nParams,
 828                         ChrPtr(Token->FlatToken));
 829                 StrBufAppendPrintf(
 830                         Target,
 831                         "<pre>\nConditional [%s] (in '%s' line %ld); needs %ld Params!\n[%s]\n</pre>\n",
 832                         Token->Params[0]->Start,
 833                         ChrPtr(pTmpl->FileName),
 834                         Token->Line,
 835                         Cond->nParams,
 836                         ChrPtr(Token->FlatToken));
 837                 return 0;
 838         }
 839         if (Cond->CondF(Token, Context, ContextType) == Neg)
 840                 return Token->Params[1]->lvalue;
 841         return 0;
 842 }
 843
 844 int EvaluateToken(StrBuf *Target, WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int state, int ContextType)
 845 {
 846         HashHandler *Handler;
 847         void *vVar;
 848 // much output, since pName is not terminated...
 849 //      lprintf(1,"Doing token: %s\n",Token->pName);
 850
 851         switch (Token->Flags) {
 852         case SV_GETTEXT:
 853                 TmplGettext(Target, Token->nParameters, Token);
 854                 break;
 855         case SV_CONDITIONAL: /** Forward conditional evaluation */
 856                 return EvaluateConditional(Target, Token, pTmpl, Context, 1, state, ContextType);
 857                 break;
 858         case SV_NEG_CONDITIONAL: /** Reverse conditional evaluation */
 859                 return EvaluateConditional(Target, Token, pTmpl, Context, 0, state, ContextType);
 860                 break;
 861         case SV_CUST_STR_CONDITIONAL: /** Conditional put custom strings from params */
 862                 if (Token->nParameters >= 6) {
 863                         if (EvaluateConditional(Target, Token, pTmpl, Context, 0, state, ContextType))
 864                                 StrBufAppendBufPlain(Target,
 865                                                      Token->Params[5]->Start,
 866                                                      Token->Params[5]->len,
 867                                                      0);
 868                         else
 869                                 StrBufAppendBufPlain(Target,
 870                                                      Token->Params[4]->Start,
 871                                                      Token->Params[4]->len,
 872                                                      0);
 873                 }
 874                 break;
 875         case SV_SUBTEMPL:
 876                 if (Token->nParameters == 1)
 877                         DoTemplate(Token->Params[0]->Start, Token->Params[0]->len, NULL, NULL, ContextType);
 878                 break;
 879         case SV_PREEVALUATED:
 880                 Handler = (HashHandler*) Token->PreEval;
 881                 if ((Handler->ContextRequired != CTX_NONE) &&
 882                     (Handler->ContextRequired != ContextType)) {
 883                         lprintf(1, "Handler [%s] (in '%s' line %ld); "
 884                                 "requires context of type %ld, have %ld [%s]\n",
 885                                 Token->pName,
 886                                 ChrPtr(pTmpl->FileName),
 887                                 Token->Line,
 888                                 Handler->ContextRequired,
 889                                 ContextType,
 890                                 ChrPtr(Token->FlatToken));
 891                         StrBufAppendPrintf(
 892                                 Target,
 893                                 "<pre>\nHandler [%s] (in '%s' line %ld);"
 894                                 " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
 895                                 Token->pName,
 896                                 ChrPtr(pTmpl->FileName),
 897                                 Token->Line,
 898                                 Handler->ContextRequired,
 899                                 ContextType,
 900                                 ChrPtr(Token->FlatToken));
 901                         return -1;
 902
 903                 }
 904                 Handler->HandlerFunc(Target,
 905                                      Token->nParameters,
 906                                      Token,
 907                                      Context,
 908                                      ContextType);
 909                 break;
 910         default:
 911                 if (GetHash(GlobalNS, Token->pName, Token->NameEnd, &vVar)) {
 912                         Handler = (HashHandler*) vVar;
 913                         if ((Handler->ContextRequired != CTX_NONE) &&
 914                             (Handler->ContextRequired != ContextType)) {
 915                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
 916                                         "requires context of type %ld, have %ld [%s]\n",
 917                                         Token->pName,
 918                                         ChrPtr(pTmpl->FileName),
 919                                         Token->Line,
 920                                         Handler->ContextRequired,
 921                                         ContextType,
 922                                         ChrPtr(Token->FlatToken));
 923                                 StrBufAppendPrintf(
 924                                         Target,
 925                                         "<pre>\nHandler [%s] (in '%s' line %ld);"
 926                                         " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
 927                                         Token->pName,
 928                                         ChrPtr(pTmpl->FileName),
 929                                         Token->Line,
 930                                         Handler->ContextRequired,
 931                                         ContextType,
 932                                         ChrPtr(Token->FlatToken));
 933                                 return -1;
 934                         }
 935                         else if ((Token->nParameters < Handler->nMinArgs) ||
 936                                  (Token->nParameters > Handler->nMaxArgs)) {
 937                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
 938                                         "doesn't work with %ld params [%s]\n",
 939                                         Token->pName,
 940                                         ChrPtr(pTmpl->FileName),
 941                                         Token->Line,
 942                                         Token->nParameters,
 943                                         ChrPtr(Token->FlatToken));
 944                                 StrBufAppendPrintf(
 945                                         Target,
 946                                         "<pre>\nHandler [%s] (in '%s' line %ld);"
 947                                         " doesn't work with %ld params!\n[%s]\n</pre>\n",
 948                                         Token->pName,
 949                                         ChrPtr(pTmpl->FileName),
 950                                         Token->Line,
 951                                         Token->nParameters,
 952                                         ChrPtr(Token->FlatToken));
 953                         }
 954                         else {
 955                                 Handler->HandlerFunc(Target,
 956                                                      Token->nParameters,
 957                                                      Token,
 958                                                      Context,
 959                                                      ContextType); /*TODO: subset of that */
 960
 961                         }
 962                 }
 963                 else {
 964                         print_value_of(Target, Token, Context, ContextType);
 965                 }
 966         }
 967         return 0;
 968 }
 969
 970 void ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, void *Context, int ContextType)
 971 {
 972         WCTemplate *pTmpl = Tmpl;
 973         int done = 0;
 974         int i, state;
 975         const char *pData, *pS;
 976         long len;
 977
 978         if (LoadTemplates != 0) {
 979                 if (LoadTemplates > 1)
 980                         lprintf(1, "DBG: ----- loading:  [%s] ------ \n",
 981                                 ChrPtr(Tmpl->FileName));
 982                 pTmpl = load_template(Tmpl->FileName, NULL, NULL);
 983                 if(pTmpl == NULL) {
 984                         StrBufAppendPrintf(
 985                                 Target,
 986                                 "<pre>\nError loading Template [%s]\n See Logfile for details\n</pre>\n",
 987                                 ChrPtr(Tmpl->FileName));
 988                         return;
 989                 }
 990
 991         }
 992
 993         pS = pData = ChrPtr(pTmpl->Data);
 994         len = StrLength(pTmpl->Data);
 995         i = 0;
 996         state = 0;
 997         while (!done) {
 998                 if (i >= pTmpl->nTokensUsed) {
 999                         StrBufAppendBufPlain(Target,
1000                                              pData,
1001                                              len - (pData - pS), 0);
1002                         done = 1;
1003                 }
1004                 else {
1005                         StrBufAppendBufPlain(
1006                                 Target, pData,
1007                                 pTmpl->Tokens[i]->pTokenStart - pData, 0);
1008                         state = EvaluateToken(Target, pTmpl->Tokens[i], pTmpl, Context, state, ContextType);
1009                         while ((state != 0) && (i+1 < pTmpl->nTokensUsed)) {
1010                         /* condition told us to skip till its end condition */
1011                                 i++;
1012                                 if ((pTmpl->Tokens[i]->Flags == SV_CONDITIONAL) ||
1013                                     (pTmpl->Tokens[i]->Flags == SV_NEG_CONDITIONAL)) {
1014                                         if (state == EvaluateConditional(
1015                                                     Target,
1016                                                     pTmpl->Tokens[i],
1017                                                     pTmpl,
1018                                                     Context,
1019                                                     pTmpl->Tokens[i]->Flags,
1020                                                     state,
1021                                                     ContextType))
1022                                                 state = 0;
1023                                 }
1024                         }
1025                         pData = pTmpl->Tokens[i++]->pTokenEnd + 1;
1026                         if (i > pTmpl->nTokensUsed)
1027                                 done = 1;
1028                 }
1029         }
1030         if (LoadTemplates != 0) {
1031                 FreeWCTemplate(pTmpl);
1032         }
1033 }
1034
1035
1036 /**
1037  * \brief Display a variable-substituted template
1038  * \param templatename template file to load
1039  */
1040 void *prepare_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
1041 {
1042         WCTemplate *NewTemplate;
1043         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
1044         NewTemplate->Data = NULL;
1045         NewTemplate->FileName = NewStrBufDup(filename);
1046         NewTemplate->nTokensUsed = 0;
1047         NewTemplate->TokenSpace = 0;
1048         NewTemplate->Tokens = NULL;
1049
1050         Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1051         return NewTemplate;
1052 }
1053
1054 /**
1055  * \brief Display a variable-substituted template
1056  * \param templatename template file to load
1057  */
1058 void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
1059 {
1060         int fd;
1061         struct stat statbuf;
1062         const char *pS, *pE, *pch, *Err;
1063         long Line;
1064         int pos;
1065         WCTemplate *NewTemplate;
1066
1067         fd = open(ChrPtr(filename), O_RDONLY);
1068         if (fd <= 0) {
1069                 lprintf(1, "ERROR: could not open template '%s' - %s\n",
1070                         ChrPtr(filename), strerror(errno));
1071                 return NULL;
1072         }
1073
1074         if (fstat(fd, &statbuf) == -1) {
1075                 lprintf(1, "ERROR: could not stat template '%s' - %s\n",
1076                         ChrPtr(filename), strerror(errno));
1077                 return NULL;
1078         }
1079
1080         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
1081         NewTemplate->Data = NewStrBufPlain(NULL, statbuf.st_size);
1082         NewTemplate->FileName = NewStrBufDup(filename);
1083         NewTemplate->nTokensUsed = 0;
1084         NewTemplate->TokenSpace = 0;
1085         NewTemplate->Tokens = NULL;
1086         if (StrBufReadBLOB(NewTemplate->Data, &fd, 1, statbuf.st_size, &Err) < 0) {
1087                 close(fd);
1088                 FreeWCTemplate(NewTemplate);
1089                 lprintf(1, "ERROR: reading template '%s' - %s<br />\n",
1090                         ChrPtr(filename), strerror(errno));
1091                 return NULL;
1092         }
1093         close(fd);
1094
1095         Line = 0;
1096         pS = pch = ChrPtr(NewTemplate->Data);
1097         pE = pS + StrLength(NewTemplate->Data);
1098         while (pch < pE) {
1099                 const char *pts, *pte;
1100                 int InQuotes = 0;
1101                 int InDoubleQuotes = 0;
1102
1103                 /** Find one <? > */
1104                 pos = (-1);
1105                 for (; pch < pE; pch ++) {
1106                         if ((*pch=='<')&&(*(pch + 1)=='?'))
1107                                 break;
1108                         if (*pch=='\n') Line ++;
1109                 }
1110                 if (pch >= pE)
1111                         continue;
1112                 pts = pch;
1113
1114                 /** Found one? parse it. */
1115                 for (; pch < pE - 1; pch ++) {
1116                         if (*pch == '"')
1117                                 InDoubleQuotes = ! InDoubleQuotes;
1118                         else if (*pch == '\'')
1119                                 InQuotes = ! InQuotes;
1120                         else if ((!InQuotes  && !InDoubleQuotes) &&
1121                                  ((*pch!='\\')&&(*(pch + 1)=='>'))) {
1122                                 pch ++;
1123                                 break;
1124                         }
1125                 }
1126                 if (pch + 1 >= pE)
1127                         continue;
1128                 pte = pch;
1129                 PutNewToken(NewTemplate,
1130                             NewTemplateSubstitute(NewTemplate->Data, pS, pts, pte, Line, NewTemplate));
1131                 pch ++;
1132         }
1133         if (LoadTemplates == 0)
1134                 Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1135         return NewTemplate;
1136 }
1137
1138
1139 ///void PrintTemplate(const char *Key, void *vSubst, int odd)
1140 const char* PrintTemplate(void *vSubst)
1141 {
1142         WCTemplate *Tmpl = vSubst;
1143
1144         return ChrPtr(Tmpl->FileName);
1145
1146 }
1147
1148
1149 /**
1150  * \brief Display a variable-substituted template
1151  * \param templatename template file to load
1152  */
1153 void DoTemplate(const char *templatename, long len, void *Context, StrBuf *Target, int ContextType)
1154 {
1155         HashList *Static;
1156         HashList *StaticLocal;
1157         void *vTmpl;
1158
1159         if (Target == NULL)
1160                 Target = WC->WBuf;
1161         if (WC->is_mobile) {
1162                 Static = WirelessTemplateCache;
1163                 StaticLocal = WirelessLocalTemplateCache;
1164         }
1165         else {
1166                 Static = TemplateCache;
1167                 StaticLocal = LocalTemplateCache;
1168         }
1169
1170         if (len == 0)
1171         {
1172                 lprintf (1, "Can't to load a template with empty name!\n");
1173                 StrBufAppendPrintf(Target, "<pre>\nCan't to load a template with empty name!\n</pre>");
1174                 return;
1175         }
1176
1177         if (!GetHash(StaticLocal, templatename, len, &vTmpl) &&
1178             !GetHash(Static, templatename, len, &vTmpl)) {
1179                 lprintf (1, "didn't find Template [%s] %ld %ld\n", templatename, len , (long)strlen(templatename));
1180                 StrBufAppendPrintf(Target, "<pre>\ndidn't find Template [%s] %ld %ld\n</pre>",
1181                                    templatename, len,
1182                                    (long)strlen(templatename));
1183 ///             dbg_PrintHash(Static, PrintTemplate, NULL);
1184 //              PrintHash(Static, VarPrintTransition, PrintTemplate);
1185                 return;
1186         }
1187         if (vTmpl == NULL)
1188                 return;
1189         ProcessTemplate(vTmpl, Target, Context, ContextType);
1190 }
1191
1192 int LoadTemplateDir(const char *DirName, HashList *wireless, HashList *big)
1193 {
1194         StrBuf *FileName;
1195         StrBuf *Tag;
1196         StrBuf *Dir;
1197         DIR *filedir = NULL;
1198         struct dirent *filedir_entry;
1199         int d_namelen;
1200         int d_without_ext;
1201         int IsMobile;
1202
1203         Dir = NewStrBuf();
1204         StrBufPrintf(Dir, "%s/t", DirName);
1205         filedir = opendir (ChrPtr(Dir));
1206         if (filedir == NULL) {
1207                 FreeStrBuf(&Dir);
1208                 return 0;
1209         }
1210
1211         FileName = NewStrBuf();
1212         Tag = NewStrBuf();
1213         while ((filedir_entry = readdir(filedir)))
1214         {
1215                 char *MinorPtr;
1216                 char *PStart;
1217 #ifdef _DIRENT_HAVE_D_NAMELEN
1218                 d_namelen = filedir_entry->d_namelen;
1219 #else
1220                 d_namelen = strlen(filedir_entry->d_name);
1221 #endif
1222                 d_without_ext = d_namelen;
1223                 while ((d_without_ext > 0) && (filedir_entry->d_name[d_without_ext] != '.'))
1224                         d_without_ext --;
1225                 if ((d_without_ext == 0) || (d_namelen < 3))
1226                         continue;
1227                 if ((d_namelen > 1) && filedir_entry->d_name[d_namelen - 1] == '~')
1228                         continue; /* Ignore backup files... */
1229
1230                 IsMobile = (strstr(filedir_entry->d_name, ".m.html")!= NULL);
1231                 PStart = filedir_entry->d_name;
1232                 StrBufPrintf(FileName, "%s/%s", ChrPtr(Dir),  filedir_entry->d_name);
1233                 MinorPtr = strchr(filedir_entry->d_name, '.');
1234                 if (MinorPtr != NULL)
1235                         *MinorPtr = '\0';
1236                 StrBufPlain(Tag, filedir_entry->d_name, MinorPtr - filedir_entry->d_name);
1237
1238
1239                 lprintf(1, "%s %d %s\n",ChrPtr(FileName), IsMobile, ChrPtr(Tag));
1240                 if (LoadTemplates == 0)
1241                         load_template(FileName, Tag, (IsMobile)?wireless:big);
1242                 else
1243                         prepare_template(FileName, Tag, (IsMobile)?wireless:big);
1244         }
1245         closedir(filedir);
1246         FreeStrBuf(&FileName);
1247         FreeStrBuf(&Tag);
1248         FreeStrBuf(&Dir);
1249         return 1;
1250 }
1251
1252 void InitTemplateCache(void)
1253 {
1254         LoadTemplateDir(static_dirs[0],
1255                         WirelessTemplateCache,
1256                         TemplateCache);
1257         LoadTemplateDir(static_dirs[1],
1258                         WirelessLocalTemplateCache,
1259                         LocalTemplateCache);
1260 }
1261
1262 void tmplput_serv_ip(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1263 {
1264         StrBufAppendPrintf(Target, "%d", WC->ctdl_pid);
1265 }
1266
1267 void tmplput_serv_nodename(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1268 {
1269         StrEscAppend(Target, NULL, serv_info.serv_nodename, 0, 0);
1270 }
1271
1272 void tmplput_serv_humannode(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1273 {
1274         StrEscAppend(Target, NULL, serv_info.serv_humannode, 0, 0);
1275 }
1276
1277 void tmplput_serv_fqdn(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1278 {
1279         StrEscAppend(Target, NULL, serv_info.serv_fqdn, 0, 0);
1280 }
1281
1282 void tmmplput_serv_software(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1283 {
1284         StrEscAppend(Target, NULL, serv_info.serv_software, 0, 0);
1285 }
1286
1287 void tmplput_serv_rev_level(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1288 {
1289         StrBufAppendPrintf(Target, "%d.%02d",
1290                             serv_info.serv_rev_level / 100,
1291                             serv_info.serv_rev_level % 100);
1292 }
1293
1294 void tmmplput_serv_bbs_city(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1295 {
1296         StrEscAppend(Target, NULL, serv_info.serv_bbs_city, 0, 0);
1297 }
1298
1299 void tmplput_current_user(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1300 {
1301         StrEscAppend(Target, NULL, WC->wc_fullname, 0, 0);
1302 }
1303
1304 void tmplput_current_room(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1305 {
1306         StrEscAppend(Target, NULL, WC->wc_roomname, 0, 0);
1307 }
1308
1309
1310 typedef struct _HashIterator {
1311         HashList *StaticList;
1312         int AdditionalParams;
1313         int ContextType;
1314         RetrieveHashlistFunc GetHash;
1315         HashDestructorFunc Destructor;
1316         SubTemplFunc DoSubTemplate;
1317 } HashIterator;
1318
1319 void tmpl_iterate_subtmpl(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1320 {
1321         void *vIt;
1322         HashIterator *It;
1323         HashList *List;
1324         HashPos  *it;
1325         long len;
1326         const char *Key;
1327         void *vContext;
1328         StrBuf *SubBuf;
1329         int oddeven = 0;
1330
1331         if (!GetHash(Iterators,
1332                      Tokens->Params[0]->Start,
1333                      Tokens->Params[0]->len,
1334                      &vIt)) {
1335                 lprintf(1, "unknown Iterator [%s] (in line %ld); "
1336                         " [%s]\n",
1337                         Tokens->Params[0]->Start,
1338                         Tokens->Line,
1339                         ChrPtr(Tokens->FlatToken));
1340                 StrBufAppendPrintf(
1341                         Target,
1342                         "<pre>\nunknown Iterator [%s] (in line %ld); \n"
1343                         " [%s]\n</pre>",
1344                         Tokens->Params[0]->Start,
1345                         Tokens->Line,
1346                         ChrPtr(Tokens->FlatToken));
1347                 return;
1348         }
1349
1350         It = (HashIterator*) vIt;
1351
1352         if (Tokens->nParameters < It->AdditionalParams + 2) {
1353                 lprintf(1, "Iterator [%s] (in line %ld); "
1354                         "doesn't work with %ld params [%s]\n",
1355                         Tokens->Params[0]->Start,
1356                         Tokens->Line,
1357                         Tokens->nParameters,
1358                         ChrPtr(Tokens->FlatToken));
1359                 StrBufAppendPrintf(
1360                         Target,
1361                         "<pre>Iterator [%s] \n(in line %ld);\n"
1362                         "doesn't work with %ld params \n[%s]\n</pre>",
1363                         Tokens->Params[0]->Start,
1364                         Tokens->Line,
1365                         Tokens->nParameters,
1366                         ChrPtr(Tokens->FlatToken));
1367                 return;
1368         }
1369
1370         if (It->StaticList == NULL)
1371                 List = It->GetHash(Tokens);
1372         else
1373                 List = It->StaticList;
1374
1375         SubBuf = NewStrBuf();
1376         it = GetNewHashPos();
1377         while (GetNextHashPos(List, it, &len, &Key, &vContext)) {
1378                 svprintf(HKEY("ITERATE:ODDEVEN"), WCS_STRING, "%s",
1379                          (oddeven) ? "odd" : "even");
1380                 svprintf(HKEY("ITERATE:KEY"), WCS_STRING, "%s", Key);
1381
1382                 It->DoSubTemplate(SubBuf, vContext, Tokens);
1383                 DoTemplate(Tokens->Params[1]->Start,
1384                            Tokens->Params[1]->len,
1385                            vContext, SubBuf,
1386                            It->ContextType);
1387
1388                 StrBufAppendBuf(Target, SubBuf, 0);
1389                 FlushStrBuf(SubBuf);
1390                 oddeven = ~ oddeven;
1391         }
1392         FreeStrBuf(&SubBuf);
1393         DeleteHashPos(&it);
1394         if (It->Destructor != NULL)
1395                 It->Destructor(&List);
1396 }
1397
1398 int ConditionalVar(WCTemplateToken *Tokens, void *Context, int ContextType)
1399 {
1400         void *vsubst;
1401         wcsubst *subst;
1402
1403         if (!GetHash(WC->vars,
1404                      Tokens->Params[2]->Start,
1405                      Tokens->Params[2]->len,
1406                      &vsubst))
1407                 return 0;
1408         subst = (wcsubst*) vsubst;
1409         if ((subst->ContextRequired != CTX_NONE) &&
1410             (subst->ContextRequired != ContextType)) {
1411                 lprintf(1,"  WARNING: Conditional requires Context: [%ld]!\n", Tokens->Params[2]->Start);
1412                 return -1;
1413         }
1414
1415         switch(subst->wcs_type) {
1416         case WCS_FUNCTION:
1417                 return (subst->wcs_function!=NULL);
1418         case WCS_SERVCMD:
1419                 lprintf(1, "  -> Server [%s]\n", subst->wcs_value);////todo
1420                 return 1;
1421         case WCS_STRING:
1422         case WCS_STRBUF:
1423         case WCS_STRBUF_REF:
1424                 if (Tokens->nParameters < 4)
1425                         return 1;
1426                 return (strcmp(Tokens->Params[3]->Start, ChrPtr(subst->wcs_value)) == 0);
1427         case WCS_LONG:
1428                 if (Tokens->nParameters < 4)
1429                         return (subst->lvalue != 0);
1430                 return (subst->lvalue == Tokens->Params[3]->lvalue);
1431         default:
1432                 lprintf(1,"  WARNING: invalid type: [%ld]!\n", subst->wcs_type);
1433                 return -1;
1434         }
1435         return 0;
1436 }
1437
1438 void RegisterITERATOR(const char *Name, long len,
1439                       int AdditionalParams,
1440                       HashList *StaticList,
1441                       RetrieveHashlistFunc GetHash,
1442                       SubTemplFunc DoSubTempl,
1443                       HashDestructorFunc Destructor,
1444                       int ContextType)
1445 {
1446         HashIterator *It = (HashIterator*)malloc(sizeof(HashIterator));
1447         It->StaticList = StaticList;
1448         It->AdditionalParams = AdditionalParams;
1449         It->GetHash = GetHash;
1450         It->DoSubTemplate = DoSubTempl;
1451         It->Destructor = Destructor;
1452         It->ContextType = ContextType;
1453         Put(Iterators, Name, len, It, NULL);
1454 }
1455
1456 void RegisterConditional(const char *Name, long len,
1457                          int nParams,
1458                          WCConditionalFunc CondF,
1459                          int ContextRequired)
1460 {
1461         ConditionalStruct *Cond = (ConditionalStruct*)malloc(sizeof(ConditionalStruct));
1462         Cond->nParams = nParams;
1463         Cond->CondF = CondF;
1464         Cond->ContextRequired = ContextRequired;
1465         Put(Contitionals, Name, len, Cond, NULL);
1466 }
1467
1468 void tmpl_do_boxed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1469 {
1470         if (nArgs == 2) {
1471                 StrBuf *Headline = NewStrBuf();
1472                 DoTemplate(Tokens->Params[1]->Start,
1473                            Tokens->Params[1]->len,
1474                            Context,
1475                            Headline,
1476                            ContextType);
1477                 SVPutBuf("BOXTITLE", Headline, 0);
1478         }
1479
1480         DoTemplate(HKEY("beginbox"), Context, Target, ContextType);
1481         DoTemplate(Tokens->Params[0]->Start,
1482                    Tokens->Params[0]->len,
1483                    Context,
1484                    Target,
1485                    ContextType);
1486         DoTemplate(HKEY("endbox"), Context, Target, ContextType);
1487 }
1488
1489 void tmpl_do_tabbed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1490 {
1491         StrBuf **TabNames;
1492         int i, ntabs, nTabs;
1493
1494         nTabs = ntabs = Tokens->nParameters / 2;
1495         TabNames = (StrBuf **) malloc(ntabs * sizeof(StrBuf*));
1496
1497         for (i = 0; i < ntabs; i++) {
1498                 TabNames[i] = NewStrBuf();
1499                 if (Tokens->Params[i * 2]->len > 0) {
1500                         DoTemplate(Tokens->Params[i * 2]->Start,
1501                                    Tokens->Params[i * 2]->len,
1502                                    Context,
1503                                    TabNames[i],
1504                                    ContextType);
1505                 }
1506                 else {
1507                         /** A Tab without subject? we can't count that, add it as silent */
1508                         nTabs --;
1509                 }
1510         }
1511
1512         StrTabbedDialog(Target, nTabs, TabNames);
1513         for (i = 0; i < ntabs; i++) {
1514                 StrBeginTab(Target, i, nTabs);
1515
1516                 DoTemplate(Tokens->Params[i * 2 + 1]->Start,
1517                            Tokens->Params[i * 2 + 1]->len,
1518                            Context,
1519                            Target,
1520                            ContextType);
1521                 StrEndTab(Target, i, nTabs);
1522         }
1523 }
1524
1525 void
1526 InitModule_SUBST
1527 (void)
1528 {
1529         RegisterNamespace("SERV:PID", 0, 0, tmplput_serv_ip, CTX_NONE);
1530         RegisterNamespace("SERV:NODENAME", 0, 0, tmplput_serv_nodename, CTX_NONE);
1531         RegisterNamespace("SERV:HUMANNODE", 0, 0, tmplput_serv_humannode, CTX_NONE);
1532         RegisterNamespace("SERV:FQDN", 0, 0, tmplput_serv_fqdn, CTX_NONE);
1533         RegisterNamespace("SERV:SOFTWARE", 0, 0, tmmplput_serv_software, CTX_NONE);
1534         RegisterNamespace("SERV:REV_LEVEL", 0, 0, tmplput_serv_rev_level, CTX_NONE);
1535         RegisterNamespace("SERV:BBS_CITY", 0, 0, tmmplput_serv_bbs_city, CTX_NONE);
1536 ///     RegisterNamespace("SERV:LDAP_SUPP", 0, 0, tmmplput_serv_ldap_enabled, 0);
1537         RegisterNamespace("CURRENT_USER", 0, 0, tmplput_current_user, CTX_NONE);
1538         RegisterNamespace("CURRENT_ROOM", 0, 0, tmplput_current_room, CTX_NONE);
1539         RegisterNamespace("ITERATE", 2, 100, tmpl_iterate_subtmpl, CTX_NONE);
1540         RegisterNamespace("DOBOXED", 1, 2, tmpl_do_boxed, CTX_NONE);
1541         RegisterNamespace("DOTABBED", 2, 100, tmpl_do_tabbed, CTX_NONE);
1542         RegisterConditional(HKEY("COND:SUBST"), 3, ConditionalVar, CTX_NONE);
1543 }
1544
1545 /*@}*/