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->FileName = pTmpl->FileName; /* to print meaningfull log messages... */
 700         NewToken->Flags = 0;
 701         NewToken->Line = Line + 1;
 702         NewToken->pTokenStart = pTmplStart;
 703         NewToken->TokenStart = pTmplStart - pStart;
 704         NewToken->TokenEnd =  (pTmplEnd - pStart) - NewToken->TokenStart;
 705         NewToken->pTokenEnd = pTmplEnd;
 706         NewToken->NameEnd = NewToken->TokenEnd - 2;
 707         NewToken->PreEval = NULL;
 708         NewToken->FlatToken = NewStrBufPlain(pTmplStart + 2, pTmplEnd - pTmplStart - 2);
 709
 710         StrBufPeek(Buf, pTmplStart, + 1, '\0');
 711         StrBufPeek(Buf, pTmplEnd, -1, '\0');
 712         pch = NewToken->pName = pTmplStart + 2;
 713
 714         NewToken->HaveParameters = 0;;
 715         NewToken->nParameters = 0;
 716
 717         while (pch < pTmplEnd - 1) {
 718                 if (*pch == '(') {
 719                         StrBufPeek(Buf, pch, -1, '\0');
 720                         NewToken->NameEnd = pch - NewToken->pName;
 721                         pch ++;
 722                         while (pch < pTmplEnd - 1) {
 723                                 Param = GetNextParameter(Buf, &pch, pTmplEnd - 1, NewToken, pTmpl);
 724                                 if (Param != NULL) {
 725                                         NewToken->HaveParameters = 1;
 726                                         if (NewToken->nParameters > MAXPARAM) {
 727                                                 lprintf(1, "Error (in '%s' line %ld); "
 728                                                         "only [%ld] Params allowed in Tokens [%s]\n",
 729                                                         ChrPtr(pTmpl->FileName),
 730                                                         NewToken->Line,
 731                                                         MAXPARAM,
 732                                                         ChrPtr(NewToken->FlatToken));
 733                                                 free(Param);
 734                                                 FreeToken(&NewToken);
 735                                                 return NULL;
 736                                         }
 737                                         NewToken->Params[NewToken->nParameters++] = Param;
 738                                 }
 739                                 else break;
 740                         }
 741                         if((NewToken->NameEnd == 1) &&
 742                            (NewToken->HaveParameters == 1))
 743
 744                         {
 745                                 if ((NewToken->nParameters == 1) &&
 746                                     (*(NewToken->pName) == '_'))
 747                                         NewToken->Flags = SV_GETTEXT;
 748                                 else if ((NewToken->nParameters == 1) &&
 749                                          (*(NewToken->pName) == '='))
 750                                         NewToken->Flags = SV_SUBTEMPL;
 751                                 else if ((NewToken->nParameters >= 2) &&
 752                                          (*(NewToken->pName) == '%'))
 753                                         NewToken->Flags = SV_CUST_STR_CONDITIONAL;
 754                                 else if ((NewToken->nParameters >= 2) &&
 755                                          (*(NewToken->pName) == '?'))
 756                                         NewToken->Flags = SV_CONDITIONAL;
 757                                 else if ((NewToken->nParameters >=2) &&
 758                                          (*(NewToken->pName) == '!'))
 759                                         NewToken->Flags = SV_NEG_CONDITIONAL;
 760                         }
 761                 }
 762                 else pch ++;
 763         }
 764
 765         if (NewToken->Flags == 0) {
 766                 /* If we're able to find out more about the token, do it now while its fresh. */
 767                 void *vVar;
 768                 if (GetHash(GlobalNS, NewToken->pName, NewToken->NameEnd, &vVar)) {
 769                         HashHandler *Handler;
 770                         Handler = (HashHandler*) vVar;
 771                         if ((NewToken->nParameters < Handler->nMinArgs) ||
 772                             (NewToken->nParameters > Handler->nMaxArgs)) {
 773                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
 774                                         "doesn't work with %ld params [%s]\n",
 775                                         NewToken->pName,
 776                                         ChrPtr(pTmpl->FileName),
 777                                         NewToken->Line,
 778                                         NewToken->nParameters,
 779                                         ChrPtr(NewToken->FlatToken));
 780                         }
 781                         else {
 782                                 NewToken->PreEval = Handler;
 783                                 NewToken->Flags = SV_PREEVALUATED;
 784                         }
 785                 }
 786         }
 787
 788         return NewToken;
 789 }
 790
 791
 792
 793 int EvaluateConditional(StrBuf *Target, WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int Neg, int state, int ContextType)
 794 {
 795         void *vConditional = NULL;
 796         ConditionalStruct *Cond;
 797
 798         if ((Token->Params[0]->len == 1) &&
 799             (Token->Params[0]->Start[0] == 'X'))
 800                 return (state != 0)?Token->Params[1]->lvalue:0;
 801
 802         if (!GetHash(Contitionals,
 803                  Token->Params[0]->Start,
 804                  Token->Params[0]->len,
 805                  &vConditional) ||
 806             (vConditional == NULL)) {
 807                 lprintf(1, "Conditional [%s] (in '%s' line %ld); Not found![%s]\n",
 808                         Token->Params[0]->Start,
 809                         ChrPtr(pTmpl->FileName),
 810                         Token->Line,
 811                         ChrPtr(Token->FlatToken));
 812                 StrBufAppendPrintf(
 813                         Target,
 814                         "<pre>\nConditional [%s] (in '%s' line %ld); Not found!\n[%s]\n</pre>\n",
 815                         Token->Params[0]->Start,
 816                         ChrPtr(pTmpl->FileName),
 817                         Token->Line,
 818                         ChrPtr(Token->FlatToken));
 819                 return 0;
 820         }
 821
 822         Cond = (ConditionalStruct *) vConditional;
 823
 824         if (Token->nParameters < Cond->nParams) {
 825                 lprintf(1, "Conditional [%s] (in '%s' line %ld); needs %ld Params![%s]\n",
 826                         Token->Params[0]->Start,
 827                         ChrPtr(pTmpl->FileName),
 828                         Token->Line,
 829                         Cond->nParams,
 830                         ChrPtr(Token->FlatToken));
 831                 StrBufAppendPrintf(
 832                         Target,
 833                         "<pre>\nConditional [%s] (in '%s' line %ld); needs %ld Params!\n[%s]\n</pre>\n",
 834                         Token->Params[0]->Start,
 835                         ChrPtr(pTmpl->FileName),
 836                         Token->Line,
 837                         Cond->nParams,
 838                         ChrPtr(Token->FlatToken));
 839                 return 0;
 840         }
 841         if (Cond->CondF(Token, Context, ContextType) == Neg)
 842                 return Token->Params[1]->lvalue;
 843         return 0;
 844 }
 845
 846 int EvaluateToken(StrBuf *Target, WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int state, int ContextType)
 847 {
 848         HashHandler *Handler;
 849         void *vVar;
 850 // much output, since pName is not terminated...
 851 //      lprintf(1,"Doing token: %s\n",Token->pName);
 852
 853         switch (Token->Flags) {
 854         case SV_GETTEXT:
 855                 TmplGettext(Target, Token->nParameters, Token);
 856                 break;
 857         case SV_CONDITIONAL: /** Forward conditional evaluation */
 858                 return EvaluateConditional(Target, Token, pTmpl, Context, 1, state, ContextType);
 859                 break;
 860         case SV_NEG_CONDITIONAL: /** Reverse conditional evaluation */
 861                 return EvaluateConditional(Target, Token, pTmpl, Context, 0, state, ContextType);
 862                 break;
 863         case SV_CUST_STR_CONDITIONAL: /** Conditional put custom strings from params */
 864                 if (Token->nParameters >= 6) {
 865                         if (EvaluateConditional(Target, Token, pTmpl, Context, 0, state, ContextType))
 866                                 StrBufAppendBufPlain(Target,
 867                                                      Token->Params[5]->Start,
 868                                                      Token->Params[5]->len,
 869                                                      0);
 870                         else
 871                                 StrBufAppendBufPlain(Target,
 872                                                      Token->Params[4]->Start,
 873                                                      Token->Params[4]->len,
 874                                                      0);
 875                 }
 876                 break;
 877         case SV_SUBTEMPL:
 878                 if (Token->nParameters == 1)
 879                         DoTemplate(Token->Params[0]->Start, Token->Params[0]->len, NULL, NULL, ContextType);
 880                 break;
 881         case SV_PREEVALUATED:
 882                 Handler = (HashHandler*) Token->PreEval;
 883                 if ((Handler->ContextRequired != CTX_NONE) &&
 884                     (Handler->ContextRequired != ContextType)) {
 885                         lprintf(1, "Handler [%s] (in '%s' line %ld); "
 886                                 "requires context of type %ld, have %ld [%s]\n",
 887                                 Token->pName,
 888                                 ChrPtr(pTmpl->FileName),
 889                                 Token->Line,
 890                                 Handler->ContextRequired,
 891                                 ContextType,
 892                                 ChrPtr(Token->FlatToken));
 893                         StrBufAppendPrintf(
 894                                 Target,
 895                                 "<pre>\nHandler [%s] (in '%s' line %ld);"
 896                                 " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
 897                                 Token->pName,
 898                                 ChrPtr(pTmpl->FileName),
 899                                 Token->Line,
 900                                 Handler->ContextRequired,
 901                                 ContextType,
 902                                 ChrPtr(Token->FlatToken));
 903                         return -1;
 904
 905                 }
 906                 Handler->HandlerFunc(Target,
 907                                      Token->nParameters,
 908                                      Token,
 909                                      Context,
 910                                      ContextType);
 911                 break;
 912         default:
 913                 if (GetHash(GlobalNS, Token->pName, Token->NameEnd, &vVar)) {
 914                         Handler = (HashHandler*) vVar;
 915                         if ((Handler->ContextRequired != CTX_NONE) &&
 916                             (Handler->ContextRequired != ContextType)) {
 917                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
 918                                         "requires context of type %ld, have %ld [%s]\n",
 919                                         Token->pName,
 920                                         ChrPtr(pTmpl->FileName),
 921                                         Token->Line,
 922                                         Handler->ContextRequired,
 923                                         ContextType,
 924                                         ChrPtr(Token->FlatToken));
 925                                 StrBufAppendPrintf(
 926                                         Target,
 927                                         "<pre>\nHandler [%s] (in '%s' line %ld);"
 928                                         " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
 929                                         Token->pName,
 930                                         ChrPtr(pTmpl->FileName),
 931                                         Token->Line,
 932                                         Handler->ContextRequired,
 933                                         ContextType,
 934                                         ChrPtr(Token->FlatToken));
 935                                 return -1;
 936                         }
 937                         else if ((Token->nParameters < Handler->nMinArgs) ||
 938                                  (Token->nParameters > Handler->nMaxArgs)) {
 939                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
 940                                         "doesn't work with %ld params [%s]\n",
 941                                         Token->pName,
 942                                         ChrPtr(pTmpl->FileName),
 943                                         Token->Line,
 944                                         Token->nParameters,
 945                                         ChrPtr(Token->FlatToken));
 946                                 StrBufAppendPrintf(
 947                                         Target,
 948                                         "<pre>\nHandler [%s] (in '%s' line %ld);"
 949                                         " doesn't work with %ld params!\n[%s]\n</pre>\n",
 950                                         Token->pName,
 951                                         ChrPtr(pTmpl->FileName),
 952                                         Token->Line,
 953                                         Token->nParameters,
 954                                         ChrPtr(Token->FlatToken));
 955                         }
 956                         else {
 957                                 Handler->HandlerFunc(Target,
 958                                                      Token->nParameters,
 959                                                      Token,
 960                                                      Context,
 961                                                      ContextType); /*TODO: subset of that */
 962
 963                         }
 964                 }
 965                 else {
 966                         print_value_of(Target, Token, Context, ContextType);
 967                 }
 968         }
 969         return 0;
 970 }
 971
 972 void ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, void *Context, int ContextType)
 973 {
 974         WCTemplate *pTmpl = Tmpl;
 975         int done = 0;
 976         int i, state;
 977         const char *pData, *pS;
 978         long len;
 979
 980         if (LoadTemplates != 0) {
 981                 if (LoadTemplates > 1)
 982                         lprintf(1, "DBG: ----- loading:  [%s] ------ \n",
 983                                 ChrPtr(Tmpl->FileName));
 984                 pTmpl = load_template(Tmpl->FileName, NULL, NULL);
 985                 if(pTmpl == NULL) {
 986                         StrBufAppendPrintf(
 987                                 Target,
 988                                 "<pre>\nError loading Template [%s]\n See Logfile for details\n</pre>\n",
 989                                 ChrPtr(Tmpl->FileName));
 990                         return;
 991                 }
 992
 993         }
 994
 995         pS = pData = ChrPtr(pTmpl->Data);
 996         len = StrLength(pTmpl->Data);
 997         i = 0;
 998         state = 0;
 999         while (!done) {
1000                 if (i >= pTmpl->nTokensUsed) {
1001                         StrBufAppendBufPlain(Target,
1002                                              pData,
1003                                              len - (pData - pS), 0);
1004                         done = 1;
1005                 }
1006                 else {
1007                         StrBufAppendBufPlain(
1008                                 Target, pData,
1009                                 pTmpl->Tokens[i]->pTokenStart - pData, 0);
1010                         state = EvaluateToken(Target, pTmpl->Tokens[i], pTmpl, Context, state, ContextType);
1011                         while ((state != 0) && (i+1 < pTmpl->nTokensUsed)) {
1012                         /* condition told us to skip till its end condition */
1013                                 i++;
1014                                 if ((pTmpl->Tokens[i]->Flags == SV_CONDITIONAL) ||
1015                                     (pTmpl->Tokens[i]->Flags == SV_NEG_CONDITIONAL)) {
1016                                         if (state == EvaluateConditional(
1017                                                     Target,
1018                                                     pTmpl->Tokens[i],
1019                                                     pTmpl,
1020                                                     Context,
1021                                                     pTmpl->Tokens[i]->Flags,
1022                                                     state,
1023                                                     ContextType))
1024                                                 state = 0;
1025                                 }
1026                         }
1027                         pData = pTmpl->Tokens[i++]->pTokenEnd + 1;
1028                         if (i > pTmpl->nTokensUsed)
1029                                 done = 1;
1030                 }
1031         }
1032         if (LoadTemplates != 0) {
1033                 FreeWCTemplate(pTmpl);
1034         }
1035 }
1036
1037
1038 /**
1039  * \brief Display a variable-substituted template
1040  * \param templatename template file to load
1041  */
1042 void *prepare_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
1043 {
1044         WCTemplate *NewTemplate;
1045         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
1046         NewTemplate->Data = NULL;
1047         NewTemplate->FileName = NewStrBufDup(filename);
1048         NewTemplate->nTokensUsed = 0;
1049         NewTemplate->TokenSpace = 0;
1050         NewTemplate->Tokens = NULL;
1051
1052         Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1053         return NewTemplate;
1054 }
1055
1056 /**
1057  * \brief Display a variable-substituted template
1058  * \param templatename template file to load
1059  */
1060 void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
1061 {
1062         int fd;
1063         struct stat statbuf;
1064         const char *pS, *pE, *pch, *Err;
1065         long Line;
1066         int pos;
1067         WCTemplate *NewTemplate;
1068
1069         fd = open(ChrPtr(filename), O_RDONLY);
1070         if (fd <= 0) {
1071                 lprintf(1, "ERROR: could not open template '%s' - %s\n",
1072                         ChrPtr(filename), strerror(errno));
1073                 return NULL;
1074         }
1075
1076         if (fstat(fd, &statbuf) == -1) {
1077                 lprintf(1, "ERROR: could not stat template '%s' - %s\n",
1078                         ChrPtr(filename), strerror(errno));
1079                 return NULL;
1080         }
1081
1082         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
1083         NewTemplate->Data = NewStrBufPlain(NULL, statbuf.st_size);
1084         NewTemplate->FileName = NewStrBufDup(filename);
1085         NewTemplate->nTokensUsed = 0;
1086         NewTemplate->TokenSpace = 0;
1087         NewTemplate->Tokens = NULL;
1088         if (StrBufReadBLOB(NewTemplate->Data, &fd, 1, statbuf.st_size, &Err) < 0) {
1089                 close(fd);
1090                 FreeWCTemplate(NewTemplate);
1091                 lprintf(1, "ERROR: reading template '%s' - %s<br />\n",
1092                         ChrPtr(filename), strerror(errno));
1093                 return NULL;
1094         }
1095         close(fd);
1096
1097         Line = 0;
1098         pS = pch = ChrPtr(NewTemplate->Data);
1099         pE = pS + StrLength(NewTemplate->Data);
1100         while (pch < pE) {
1101                 const char *pts, *pte;
1102                 int InQuotes = 0;
1103                 int InDoubleQuotes = 0;
1104
1105                 /** Find one <? > */
1106                 pos = (-1);
1107                 for (; pch < pE; pch ++) {
1108                         if ((*pch=='<')&&(*(pch + 1)=='?'))
1109                                 break;
1110                         if (*pch=='\n') Line ++;
1111                 }
1112                 if (pch >= pE)
1113                         continue;
1114                 pts = pch;
1115
1116                 /** Found one? parse it. */
1117                 for (; pch < pE - 1; pch ++) {
1118                         if (*pch == '"')
1119                                 InDoubleQuotes = ! InDoubleQuotes;
1120                         else if (*pch == '\'')
1121                                 InQuotes = ! InQuotes;
1122                         else if ((!InQuotes  && !InDoubleQuotes) &&
1123                                  ((*pch!='\\')&&(*(pch + 1)=='>'))) {
1124                                 pch ++;
1125                                 break;
1126                         }
1127                 }
1128                 if (pch + 1 >= pE)
1129                         continue;
1130                 pte = pch;
1131                 PutNewToken(NewTemplate,
1132                             NewTemplateSubstitute(NewTemplate->Data, pS, pts, pte, Line, NewTemplate));
1133                 pch ++;
1134         }
1135         if (LoadTemplates == 0)
1136                 Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1137         return NewTemplate;
1138 }
1139
1140
1141 ///void PrintTemplate(const char *Key, void *vSubst, int odd)
1142 const char* PrintTemplate(void *vSubst)
1143 {
1144         WCTemplate *Tmpl = vSubst;
1145
1146         return ChrPtr(Tmpl->FileName);
1147
1148 }
1149
1150
1151 /**
1152  * \brief Display a variable-substituted template
1153  * \param templatename template file to load
1154  */
1155 void DoTemplate(const char *templatename, long len, StrBuf *Target, void *Context, int ContextType)
1156 {
1157         HashList *Static;
1158         HashList *StaticLocal;
1159         void *vTmpl;
1160
1161         if (Target == NULL)
1162                 Target = WC->WBuf;
1163         if (WC->is_mobile) {
1164                 Static = WirelessTemplateCache;
1165                 StaticLocal = WirelessLocalTemplateCache;
1166         }
1167         else {
1168                 Static = TemplateCache;
1169                 StaticLocal = LocalTemplateCache;
1170         }
1171
1172         if (len == 0)
1173         {
1174                 lprintf (1, "Can't to load a template with empty name!\n");
1175                 StrBufAppendPrintf(Target, "<pre>\nCan't to load a template with empty name!\n</pre>");
1176                 return;
1177         }
1178
1179         if (!GetHash(StaticLocal, templatename, len, &vTmpl) &&
1180             !GetHash(Static, templatename, len, &vTmpl)) {
1181                 lprintf (1, "didn't find Template [%s] %ld %ld\n", templatename, len , (long)strlen(templatename));
1182                 StrBufAppendPrintf(Target, "<pre>\ndidn't find Template [%s] %ld %ld\n</pre>",
1183                                    templatename, len,
1184                                    (long)strlen(templatename));
1185 ///             dbg_PrintHash(Static, PrintTemplate, NULL);
1186 //              PrintHash(Static, VarPrintTransition, PrintTemplate);
1187                 return;
1188         }
1189         if (vTmpl == NULL)
1190                 return;
1191         ProcessTemplate(vTmpl, Target, Context, ContextType);
1192 }
1193
1194 int LoadTemplateDir(const char *DirName, HashList *wireless, HashList *big)
1195 {
1196         StrBuf *FileName;
1197         StrBuf *Tag;
1198         StrBuf *Dir;
1199         DIR *filedir = NULL;
1200         struct dirent *filedir_entry;
1201         int d_namelen;
1202         int d_without_ext;
1203         int IsMobile;
1204
1205         Dir = NewStrBuf();
1206         StrBufPrintf(Dir, "%s/t", DirName);
1207         filedir = opendir (ChrPtr(Dir));
1208         if (filedir == NULL) {
1209                 FreeStrBuf(&Dir);
1210                 return 0;
1211         }
1212
1213         FileName = NewStrBuf();
1214         Tag = NewStrBuf();
1215         while ((filedir_entry = readdir(filedir)))
1216         {
1217                 char *MinorPtr;
1218                 char *PStart;
1219 #ifdef _DIRENT_HAVE_D_NAMELEN
1220                 d_namelen = filedir_entry->d_namelen;
1221 #else
1222                 d_namelen = strlen(filedir_entry->d_name);
1223 #endif
1224                 d_without_ext = d_namelen;
1225                 while ((d_without_ext > 0) && (filedir_entry->d_name[d_without_ext] != '.'))
1226                         d_without_ext --;
1227                 if ((d_without_ext == 0) || (d_namelen < 3))
1228                         continue;
1229                 if ((d_namelen > 1) && filedir_entry->d_name[d_namelen - 1] == '~')
1230                         continue; /* Ignore backup files... */
1231
1232                 IsMobile = (strstr(filedir_entry->d_name, ".m.html")!= NULL);
1233                 PStart = filedir_entry->d_name;
1234                 StrBufPrintf(FileName, "%s/%s", ChrPtr(Dir),  filedir_entry->d_name);
1235                 MinorPtr = strchr(filedir_entry->d_name, '.');
1236                 if (MinorPtr != NULL)
1237                         *MinorPtr = '\0';
1238                 StrBufPlain(Tag, filedir_entry->d_name, MinorPtr - filedir_entry->d_name);
1239
1240
1241                 lprintf(1, "%s %d %s\n",ChrPtr(FileName), IsMobile, ChrPtr(Tag));
1242                 if (LoadTemplates == 0)
1243                         load_template(FileName, Tag, (IsMobile)?wireless:big);
1244                 else
1245                         prepare_template(FileName, Tag, (IsMobile)?wireless:big);
1246         }
1247         closedir(filedir);
1248         FreeStrBuf(&FileName);
1249         FreeStrBuf(&Tag);
1250         FreeStrBuf(&Dir);
1251         return 1;
1252 }
1253
1254 void InitTemplateCache(void)
1255 {
1256         LoadTemplateDir(static_dirs[0],
1257                         WirelessTemplateCache,
1258                         TemplateCache);
1259         LoadTemplateDir(static_dirs[1],
1260                         WirelessLocalTemplateCache,
1261                         LocalTemplateCache);
1262 }
1263
1264 void tmplput_serv_ip(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1265 {
1266         StrBufAppendPrintf(Target, "%d", WC->ctdl_pid);
1267 }
1268
1269 void tmplput_serv_nodename(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1270 {
1271         StrEscAppend(Target, NULL, serv_info.serv_nodename, 0, 0);
1272 }
1273
1274 void tmplput_serv_humannode(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1275 {
1276         StrEscAppend(Target, NULL, serv_info.serv_humannode, 0, 0);
1277 }
1278
1279 void tmplput_serv_fqdn(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1280 {
1281         StrEscAppend(Target, NULL, serv_info.serv_fqdn, 0, 0);
1282 }
1283
1284 void tmmplput_serv_software(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1285 {
1286         StrEscAppend(Target, NULL, serv_info.serv_software, 0, 0);
1287 }
1288
1289 void tmplput_serv_rev_level(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1290 {
1291         StrBufAppendPrintf(Target, "%d.%02d",
1292                             serv_info.serv_rev_level / 100,
1293                             serv_info.serv_rev_level % 100);
1294 }
1295
1296 void tmmplput_serv_bbs_city(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1297 {
1298         StrEscAppend(Target, NULL, serv_info.serv_bbs_city, 0, 0);
1299 }
1300
1301 void tmplput_current_user(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1302 {
1303         StrEscAppend(Target, NULL, WC->wc_fullname, 0, 0);
1304 }
1305
1306 void tmplput_current_room(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1307 {
1308         StrEscAppend(Target, NULL, WC->wc_roomname, 0, 0);
1309 }
1310
1311
1312 typedef struct _HashIterator {
1313         HashList *StaticList;
1314         int AdditionalParams;
1315         int ContextType;
1316         int XPectContextType;
1317         RetrieveHashlistFunc GetHash;
1318         HashDestructorFunc Destructor;
1319         SubTemplFunc DoSubTemplate;
1320 } HashIterator;
1321
1322 void tmpl_iterate_subtmpl(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1323 {
1324         void *vIt;
1325         HashIterator *It;
1326         HashList *List;
1327         HashPos  *it;
1328         long len;
1329         const char *Key;
1330         void *vContext;
1331         StrBuf *SubBuf;
1332         int oddeven = 0;
1333
1334         if (!GetHash(Iterators,
1335                      Tokens->Params[0]->Start,
1336                      Tokens->Params[0]->len,
1337                      &vIt)) {
1338                 lprintf(1, "unknown Iterator [%s] (in '%s' line %ld); "
1339                         " [%s]\n",
1340                         Tokens->Params[0]->Start,
1341                         ChrPtr(Tokens->FileName),
1342                         Tokens->Line,
1343                         ChrPtr(Tokens->FlatToken));
1344                 StrBufAppendPrintf(
1345                         Target,
1346                         "<pre>\nunknown Iterator [%s] (in '%s' line %ld); \n"
1347                         " [%s]\n</pre>",
1348                         Tokens->Params[0]->Start,
1349                         ChrPtr(Tokens->FileName),
1350                         Tokens->Line,
1351                         ChrPtr(Tokens->FlatToken));
1352                 return;
1353         }
1354
1355         It = (HashIterator*) vIt;
1356
1357         if (Tokens->nParameters < It->AdditionalParams + 2) {
1358                 lprintf(1, "Iterator [%s] (in '%s' line %ld); "
1359                         "doesn't work with %ld params [%s]\n",
1360                         Tokens->Params[0]->Start,
1361                         ChrPtr(Tokens->FileName),
1362                         Tokens->Line,
1363                         Tokens->nParameters,
1364                         ChrPtr(Tokens->FlatToken));
1365                 StrBufAppendPrintf(
1366                         Target,
1367                         "<pre>Iterator [%s] \n(in '%s' line %ld);\n"
1368                         "doesn't work with %ld params \n[%s]\n</pre>",
1369                         Tokens->Params[0]->Start,
1370                         ChrPtr(Tokens->FileName),
1371                         Tokens->Line,
1372                         Tokens->nParameters,
1373                         ChrPtr(Tokens->FlatToken));
1374                 return;
1375         }
1376
1377         if ((It->XPectContextType != CTX_NONE) &&
1378             (It->XPectContextType != ContextType)) {
1379                 lprintf(1, "Iterator [%s] (in '%s' line %ld); "
1380                         "requires context of type %ld, have %ld [%s]\n",
1381                         Tokens->pName,
1382                         ChrPtr(Tokens->FileName),
1383                         Tokens->Line,
1384                         It->XPectContextType,
1385                         ContextType,
1386                         ChrPtr(Tokens->FlatToken));
1387                 StrBufAppendPrintf(
1388                         Target,
1389                         "<pre>\nIterator [%s] (in '%s' line %ld);"
1390                         " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
1391                         Tokens->pName,
1392                         ChrPtr(Tokens->FileName),
1393                         Tokens->Line,
1394                         It->XPectContextType,
1395                         ContextType,
1396                         ChrPtr(Tokens->FlatToken));
1397                 return ;
1398
1399         }
1400
1401
1402
1403
1404         if (It->StaticList == NULL)
1405                 List = It->GetHash(Target, nArgs, Tokens, Context, ContextType);
1406         else
1407                 List = It->StaticList;
1408
1409         SubBuf = NewStrBuf();
1410         it = GetNewHashPos();
1411         while (GetNextHashPos(List, it, &len, &Key, &vContext)) {
1412                 svprintf(HKEY("ITERATE:ODDEVEN"), WCS_STRING, "%s",
1413                          (oddeven) ? "odd" : "even");
1414                 svprintf(HKEY("ITERATE:KEY"), WCS_STRING, "%s", Key);
1415
1416                 if (It->DoSubTemplate != NULL)
1417                         It->DoSubTemplate(SubBuf, vContext, Tokens);
1418                 DoTemplate(Tokens->Params[1]->Start,
1419                            Tokens->Params[1]->len,
1420                            SubBuf, vContext,
1421                            It->ContextType);
1422
1423                 StrBufAppendBuf(Target, SubBuf, 0);
1424                 FlushStrBuf(SubBuf);
1425                 oddeven = ~ oddeven;
1426         }
1427         FreeStrBuf(&SubBuf);
1428         DeleteHashPos(&it);
1429         if (It->Destructor != NULL)
1430                 It->Destructor(&List);
1431 }
1432
1433 int ConditionalVar(WCTemplateToken *Tokens, void *Context, int ContextType)
1434 {
1435         void *vsubst;
1436         wcsubst *subst;
1437
1438         if (!GetHash(WC->vars,
1439                      Tokens->Params[2]->Start,
1440                      Tokens->Params[2]->len,
1441                      &vsubst))
1442                 return 0;
1443         subst = (wcsubst*) vsubst;
1444         if ((subst->ContextRequired != CTX_NONE) &&
1445             (subst->ContextRequired != ContextType)) {
1446                 lprintf(1,"  WARNING: Conditional requires Context: [%ld]!\n", Tokens->Params[2]->Start);
1447                 return -1;
1448         }
1449
1450         switch(subst->wcs_type) {
1451         case WCS_FUNCTION:
1452                 return (subst->wcs_function!=NULL);
1453         case WCS_SERVCMD:
1454                 lprintf(1, "  -> Server [%s]\n", subst->wcs_value);////todo
1455                 return 1;
1456         case WCS_STRING:
1457         case WCS_STRBUF:
1458         case WCS_STRBUF_REF:
1459                 if (Tokens->nParameters < 4)
1460                         return 1;
1461                 return (strcmp(Tokens->Params[3]->Start, ChrPtr(subst->wcs_value)) == 0);
1462         case WCS_LONG:
1463                 if (Tokens->nParameters < 4)
1464                         return (subst->lvalue != 0);
1465                 return (subst->lvalue == Tokens->Params[3]->lvalue);
1466         default:
1467                 lprintf(1,"  WARNING: invalid type: [%ld]!\n", subst->wcs_type);
1468                 return -1;
1469         }
1470         return 0;
1471 }
1472
1473 void RegisterITERATOR(const char *Name, long len,
1474                       int AdditionalParams,
1475                       HashList *StaticList,
1476                       RetrieveHashlistFunc GetHash,
1477                       SubTemplFunc DoSubTempl,
1478                       HashDestructorFunc Destructor,
1479                       int ContextType,
1480                       int XPectContextType)
1481 {
1482         HashIterator *It = (HashIterator*)malloc(sizeof(HashIterator));
1483         It->StaticList = StaticList;
1484         It->AdditionalParams = AdditionalParams;
1485         It->GetHash = GetHash;
1486         It->DoSubTemplate = DoSubTempl;
1487         It->Destructor = Destructor;
1488         It->ContextType = ContextType;
1489         It->XPectContextType = XPectContextType;
1490         Put(Iterators, Name, len, It, NULL);
1491 }
1492
1493 void RegisterConditional(const char *Name, long len,
1494                          int nParams,
1495                          WCConditionalFunc CondF,
1496                          int ContextRequired)
1497 {
1498         ConditionalStruct *Cond = (ConditionalStruct*)malloc(sizeof(ConditionalStruct));
1499         Cond->nParams = nParams;
1500         Cond->CondF = CondF;
1501         Cond->ContextRequired = ContextRequired;
1502         Put(Contitionals, Name, len, Cond, NULL);
1503 }
1504
1505 void tmpl_do_boxed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1506 {
1507         if (nArgs == 2) {
1508                 StrBuf *Headline = NewStrBuf();
1509                 DoTemplate(Tokens->Params[1]->Start,
1510                            Tokens->Params[1]->len,
1511                            Headline,
1512                            Context,
1513                            ContextType);
1514                 SVPutBuf("BOXTITLE", Headline, 0);
1515         }
1516
1517         DoTemplate(HKEY("beginbox"), Target, Context, ContextType);
1518         DoTemplate(Tokens->Params[0]->Start,
1519                    Tokens->Params[0]->len,
1520                    Target,
1521                    Context,
1522                    ContextType);
1523         DoTemplate(HKEY("endbox"), Target, Context, ContextType);
1524 }
1525
1526 void tmpl_do_tabbed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1527 {
1528         StrBuf **TabNames;
1529         int i, ntabs, nTabs;
1530
1531         nTabs = ntabs = Tokens->nParameters / 2;
1532         TabNames = (StrBuf **) malloc(ntabs * sizeof(StrBuf*));
1533
1534         for (i = 0; i < ntabs; i++) {
1535                 TabNames[i] = NewStrBuf();
1536                 if (Tokens->Params[i * 2]->len > 0) {
1537                         DoTemplate(Tokens->Params[i * 2]->Start,
1538                                    Tokens->Params[i * 2]->len,
1539                                    TabNames[i],
1540                                    Context,
1541                                    ContextType);
1542                 }
1543                 else {
1544                         /** A Tab without subject? we can't count that, add it as silent */
1545                         nTabs --;
1546                 }
1547         }
1548
1549         StrTabbedDialog(Target, nTabs, TabNames);
1550         for (i = 0; i < ntabs; i++) {
1551                 StrBeginTab(Target, i, nTabs);
1552
1553                 DoTemplate(Tokens->Params[i * 2 + 1]->Start,
1554                            Tokens->Params[i * 2 + 1]->len,
1555                            Target,
1556                            Context,
1557                            ContextType);
1558                 StrEndTab(Target, i, nTabs);
1559         }
1560 }
1561
1562 void
1563 InitModule_SUBST
1564 (void)
1565 {
1566         RegisterNamespace("SERV:PID", 0, 0, tmplput_serv_ip, CTX_NONE);
1567         RegisterNamespace("SERV:NODENAME", 0, 0, tmplput_serv_nodename, CTX_NONE);
1568         RegisterNamespace("SERV:HUMANNODE", 0, 0, tmplput_serv_humannode, CTX_NONE);
1569         RegisterNamespace("SERV:FQDN", 0, 0, tmplput_serv_fqdn, CTX_NONE);
1570         RegisterNamespace("SERV:SOFTWARE", 0, 0, tmmplput_serv_software, CTX_NONE);
1571         RegisterNamespace("SERV:REV_LEVEL", 0, 0, tmplput_serv_rev_level, CTX_NONE);
1572         RegisterNamespace("SERV:BBS_CITY", 0, 0, tmmplput_serv_bbs_city, CTX_NONE);
1573 ///     RegisterNamespace("SERV:LDAP_SUPP", 0, 0, tmmplput_serv_ldap_enabled, 0);
1574         RegisterNamespace("CURRENT_USER", 0, 0, tmplput_current_user, CTX_NONE);
1575         RegisterNamespace("CURRENT_ROOM", 0, 0, tmplput_current_room, CTX_NONE);
1576         RegisterNamespace("ITERATE", 2, 100, tmpl_iterate_subtmpl, CTX_NONE);
1577         RegisterNamespace("DOBOXED", 1, 2, tmpl_do_boxed, CTX_NONE);
1578         RegisterNamespace("DOTABBED", 2, 100, tmpl_do_tabbed, CTX_NONE);
1579         RegisterConditional(HKEY("COND:SUBST"), 3, ConditionalVar, CTX_NONE);
1580 }
1581
1582 /*@}*/