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 *Conditionals;
  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 /**
 468  * \brief puts string into the template and computes which escape methon we should use
 469  * \param Source the string we should put into the template
 470  * \param FormatTypeIndex where should we look for escape types if?
 471  */
 472 void StrBufAppendTemplate(StrBuf *Target,
 473                           int nArgs,
 474                           WCTemplateToken *Tokens,
 475                           void *Context, int ContextType,
 476                           StrBuf *Source, int FormatTypeIndex)
 477 {
 478         char EscapeAs = ' ';
 479
 480
 481
 482         switch(EscapeAs)
 483         {
 484
 485         case 'X':
 486                 StrEscAppend(Target, Source, NULL, 0, 0);
 487                 break;
 488         default:
 489                 StrBufAppendBuf(Target, Source, 0);
 490         }
 491 }
 492
 493
 494 /**
 495  * \brief Print the value of a variable
 496  * \param keyname get a key to print
 497  */
 498 void print_value_of(StrBuf *Target, WCTemplateToken *Token, void *Context, int ContextType) {
 499         struct wcsession *WCC = WC;
 500         wcsubst *ptr;
 501         void *vVar;
 502
 503         /*if (WCC->vars != NULL) PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 504         /// TODO: debricated!
 505         if (Token->pName[0] == '=') {
 506                 DoTemplate(Token->pName+1, Token->NameEnd - 1, NULL, NULL, 0);
 507         }
 508
 509 //////TODO: if param[1] == "U" -> urlescape
 510 /// X -> escputs
 511         /** Page-local variables */
 512         if ((WCC->vars!= NULL) && GetHash(WCC->vars, Token->pName, Token->NameEnd, &vVar)) {
 513                 ptr = (wcsubst*) vVar;
 514                 switch(ptr->wcs_type) {
 515                 case WCS_STRING:
 516                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 517                         break;
 518                 case WCS_SERVCMD:
 519                         pvo_do_cmd(Target, ptr->wcs_value);
 520                         break;
 521                 case WCS_FUNCTION:
 522                         (*ptr->wcs_function) (Target, Token->nParameters, Token, Context, ContextType);
 523                         break;
 524                 case WCS_STRBUF:
 525                 case WCS_STRBUF_REF:
 526                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 527                         break;
 528                 case WCS_LONG:
 529                         StrBufAppendPrintf(Target, "%ld", ptr->lvalue);
 530                         break;
 531                 default:
 532                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n", Token->pName);
 533                         StrBufAppendPrintf(Target, "<pre>WARNING: \ninvalid value in SV-Hash at %s!\n</pre>", Token->pName);
 534                 }
 535         }
 536         else {
 537                 lprintf(1, "didn't find Handler [%s] (in '%s' line %ld); "
 538                         " [%s]\n",
 539                         Token->pName,
 540                         ChrPtr(Token->FileName),
 541                         Token->Line,
 542                         ChrPtr(Token->FlatToken));
 543                 wc_backtrace();
 544         }
 545 }
 546
 547 int CompareSubstToToken(TemplateParam *ParamToCompare, TemplateParam *ParamToLookup)
 548 {
 549         struct wcsession *WCC = WC;
 550         wcsubst *ptr;
 551         void *vVar;
 552
 553         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 554                                           ParamToLookup->len, &vVar)) {
 555                 ptr = (wcsubst*) vVar;
 556                 switch(ptr->wcs_type) {
 557                 case WCS_STRING:
 558                 case WCS_STRBUF:
 559                 case WCS_STRBUF_REF:
 560                         if (ParamToCompare->Type == TYPE_STR)
 561                                 return ((ParamToCompare->len == StrLength(ptr->wcs_value)) &&
 562                                         (strcmp(ParamToCompare->Start, ChrPtr(ptr->wcs_value)) == 0));
 563                         else
 564                                 return ParamToCompare->lvalue == StrTol(ptr->wcs_value);
 565                         break;
 566                 case WCS_SERVCMD:
 567                         return 1;
 568                         break;
 569                 case WCS_FUNCTION:
 570                         return 1;
 571                 case WCS_LONG:
 572                         if (ParamToCompare->Type == TYPE_STR)
 573                                 return 0;
 574                         else
 575                                 return ParamToCompare->lvalue == ptr->lvalue;
 576                         break;
 577                 default:
 578                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n",
 579                                 ParamToLookup->Start);
 580                 }
 581         }
 582         return 0;
 583 }
 584
 585 int CompareSubstToStrBuf(StrBuf *Compare, TemplateParam *ParamToLookup)
 586 {
 587         struct wcsession *WCC = WC;
 588         wcsubst *ptr;
 589         void *vVar;
 590
 591         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 592                                           ParamToLookup->len, &vVar)) {
 593                 ptr = (wcsubst*) vVar;
 594                 switch(ptr->wcs_type) {
 595                 case WCS_STRING:
 596                 case WCS_STRBUF:
 597                 case WCS_STRBUF_REF:
 598                         return ((StrLength(Compare) == StrLength(ptr->wcs_value)) &&
 599                                 (strcmp(ChrPtr(Compare), ChrPtr(ptr->wcs_value)) == 0));
 600                 case WCS_SERVCMD:
 601                         return 1;
 602                         break;
 603                 case WCS_FUNCTION:
 604                         return 1;
 605                 case WCS_LONG:
 606                         return StrTol(Compare) == ptr->lvalue;
 607                 default:
 608                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n",
 609                                 ParamToLookup->Start);
 610                 }
 611         }
 612         return 0;
 613 }
 614
 615
 616 void PutNewToken(WCTemplate *Template, WCTemplateToken *NewToken)
 617 {
 618         if (Template->nTokensUsed + 1 >= Template->TokenSpace) {
 619                 if (Template->TokenSpace <= 0) {
 620                         Template->Tokens = (WCTemplateToken**)malloc(
 621                                 sizeof(WCTemplateToken*) * 10);
 622                         Template->TokenSpace = 10;
 623                 }
 624                 else {
 625                         WCTemplateToken **NewTokens;
 626                         NewTokens= (WCTemplateToken**)malloc(
 627                                 sizeof(WCTemplateToken*) *
 628                                 Template->TokenSpace * 2);
 629                         memcpy(NewTokens, Template->Tokens,
 630                                sizeof(WCTemplateToken*) * Template->nTokensUsed);
 631                         free(Template->Tokens);
 632                         Template->TokenSpace *= 2;
 633                         Template->Tokens = NewTokens;
 634                 }
 635         }
 636         Template->Tokens[(Template->nTokensUsed)++] = NewToken;
 637 }
 638
 639 TemplateParam *GetNextParameter(StrBuf *Buf, const char **pCh, const char *pe, WCTemplateToken *Token, WCTemplate *pTmpl)
 640 {
 641         const char *pch = *pCh;
 642         const char *pchs, *pche;
 643         TemplateParam *Parm = (TemplateParam *) malloc(sizeof(TemplateParam));
 644         char quote = '\0';
 645
 646         /* Skip leading whitespaces */
 647         while ((*pch == ' ' )||
 648                (*pch == '\t')||
 649                (*pch == '\r')||
 650                (*pch == '\n')) pch ++;
 651         if (*pch == '"')
 652                 quote = '"';
 653         else if (*pch == '\'')
 654                 quote = '\'';
 655         if (quote != '\0') {
 656                 pch ++;
 657                 pchs = pch;
 658                 Parm->Type = TYPE_STR;
 659                 while (pch <= pe &&
 660                        ((*pch != quote) ||
 661                         ( (pch > pchs) && (*(pch - 1) == '\\'))
 662                                )) {
 663                         pch ++;
 664                 }
 665                 pche = pch;
 666                 if (*pch != quote) {
 667                         lprintf(1, "Error (in '%s' line %ld); "
 668                                 "evaluating template param [%s] in Token [%s]\n",
 669                                 ChrPtr(pTmpl->FileName),
 670                                 Token->Line,
 671                                 ChrPtr(Token->FlatToken),
 672                                 *pCh);
 673                         pch ++;
 674                         free(Parm);
 675                         return NULL;
 676                 }
 677                 else {
 678                         StrBufPeek(Buf, pch, -1, '\0');
 679                         if (LoadTemplates > 1) {
 680                                 lprintf(1, "DBG: got param [%s] %ld %ld\n",
 681                                         pchs, pche - pchs, strlen(pchs));
 682                         }
 683                         Parm->Start = pchs;
 684                         Parm->len = pche - pchs;
 685                         pch ++; /* move after trailing quote */
 686                 }
 687         }
 688         else {
 689                 Parm->Type = TYPE_LONG;
 690                 pchs = pch;
 691                 while ((pch <= pe) &&
 692                        (isdigit(*pch) ||
 693                         (*pch == '+') ||
 694                         (*pch == '-')))
 695                         pch ++;
 696                 pch ++;
 697                 if (pch - pchs > 1){
 698                         StrBufPeek(Buf, pch, -1, '\0');
 699                         Parm->lvalue = atol(pchs);
 700                         Parm->Start = pchs;
 701                         pch++;
 702                 }
 703                 else {
 704                         Parm->lvalue = 0;
 705                         lprintf(1, "Error (in '%s' line %ld); "
 706                                 "evaluating long template param [%s] in Token [%s]\n",
 707                                 ChrPtr(pTmpl->FileName),
 708                                 Token->Line,
 709                                 ChrPtr(Token->FlatToken),
 710                                 *pCh);
 711                         free(Parm);
 712                         return NULL;
 713                 }
 714         }
 715         while ((*pch == ' ' )||
 716                (*pch == '\t')||
 717                (*pch == '\r')||
 718                (*pch == ',' )||
 719                (*pch == '\n')) pch ++;
 720
 721         *pCh = pch;
 722         return Parm;
 723 }
 724
 725 WCTemplateToken *NewTemplateSubstitute(StrBuf *Buf,
 726                                        const char *pStart,
 727                                        const char *pTmplStart,
 728                                        const char *pTmplEnd,
 729                                        long Line,
 730                                        WCTemplate *pTmpl)
 731 {
 732         void *vVar;
 733         const char *pch;
 734         TemplateParam *Param;
 735         WCTemplateToken *NewToken = (WCTemplateToken*)malloc(sizeof(WCTemplateToken));
 736
 737         NewToken->FileName = pTmpl->FileName; /* to print meaningfull log messages... */
 738         NewToken->Flags = 0;
 739         NewToken->Line = Line + 1;
 740         NewToken->pTokenStart = pTmplStart;
 741         NewToken->TokenStart = pTmplStart - pStart;
 742         NewToken->TokenEnd =  (pTmplEnd - pStart) - NewToken->TokenStart;
 743         NewToken->pTokenEnd = pTmplEnd;
 744         NewToken->NameEnd = NewToken->TokenEnd - 2;
 745         NewToken->PreEval = NULL;
 746         NewToken->FlatToken = NewStrBufPlain(pTmplStart + 2, pTmplEnd - pTmplStart - 2);
 747
 748         StrBufPeek(Buf, pTmplStart, + 1, '\0');
 749         StrBufPeek(Buf, pTmplEnd, -1, '\0');
 750         pch = NewToken->pName = pTmplStart + 2;
 751
 752         NewToken->HaveParameters = 0;;
 753         NewToken->nParameters = 0;
 754
 755         while (pch < pTmplEnd - 1) {
 756                 if (*pch == '(') {
 757                         StrBufPeek(Buf, pch, -1, '\0');
 758                         NewToken->NameEnd = pch - NewToken->pName;
 759                         pch ++;
 760                         if (*(pTmplEnd - 1) != ')') {
 761                                 lprintf(1, "Warning, Non welformed Token; missing right parenthesis (in '%s' line %ld); "
 762                                         "[%s]\n",
 763                                         ChrPtr(pTmpl->FileName),
 764                                         NewToken->Line,
 765                                         ChrPtr(NewToken->FlatToken));
 766                         }
 767                         while (pch < pTmplEnd - 1) {
 768                                 Param = GetNextParameter(Buf, &pch, pTmplEnd - 1, NewToken, pTmpl);
 769                                 if (Param != NULL) {
 770                                         NewToken->HaveParameters = 1;
 771                                         if (NewToken->nParameters > MAXPARAM) {
 772                                                 lprintf(1, "Error (in '%s' line %ld); "
 773                                                         "only [%ld] Params allowed in Tokens [%s]\n",
 774                                                         ChrPtr(pTmpl->FileName),
 775                                                         NewToken->Line,
 776                                                         MAXPARAM,
 777                                                         ChrPtr(NewToken->FlatToken));
 778                                                 free(Param);
 779                                                 FreeToken(&NewToken);
 780                                                 return NULL;
 781                                         }
 782                                         NewToken->Params[NewToken->nParameters++] = Param;
 783                                 }
 784                                 else break;
 785                         }
 786                         if((NewToken->NameEnd == 1) &&
 787                            (NewToken->HaveParameters == 1))
 788
 789                         {
 790                                 if (*(NewToken->pName) == '_')
 791                                         NewToken->Flags = SV_GETTEXT;
 792                                 else if (*(NewToken->pName) == '=')
 793                                         NewToken->Flags = SV_SUBTEMPL;
 794                                 else if (*(NewToken->pName) == '%')
 795                                         NewToken->Flags = SV_CUST_STR_CONDITIONAL;
 796                                 else if (*(NewToken->pName) == '?')
 797                                         NewToken->Flags = SV_CONDITIONAL;
 798                                 else if (*(NewToken->pName) == '!')
 799                                         NewToken->Flags = SV_NEG_CONDITIONAL;
 800                         }
 801                 }
 802                 else pch ++;
 803         }
 804
 805         switch (NewToken->Flags) {
 806         case 0:
 807                 /* If we're able to find out more about the token, do it now while its fresh. */
 808                 if (GetHash(GlobalNS, NewToken->pName, NewToken->NameEnd, &vVar)) {
 809                         HashHandler *Handler;
 810                         Handler = (HashHandler*) vVar;
 811                         if ((NewToken->nParameters < Handler->nMinArgs) ||
 812                             (NewToken->nParameters > Handler->nMaxArgs)) {
 813                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
 814                                         "doesn't work with %ld params [%s]\n",
 815                                         NewToken->pName,
 816                                         ChrPtr(pTmpl->FileName),
 817                                         NewToken->Line,
 818                                         NewToken->nParameters,
 819                                         ChrPtr(NewToken->FlatToken));
 820                         }
 821                         else {
 822                                 NewToken->PreEval = Handler;
 823                                 NewToken->Flags = SV_PREEVALUATED;
 824                         }
 825                 }
 826                 break;
 827         case SV_GETTEXT:
 828                 if (NewToken->nParameters !=1) {
 829                         lprintf(1, "Gettext (in '%s' line %ld); "
 830                                 "requires exactly 1 parameter, yau gave %ld params [%s]\n",
 831                                 ChrPtr(pTmpl->FileName),
 832                                 NewToken->Line,
 833                                 NewToken->nParameters,
 834                                 ChrPtr(NewToken->FlatToken));
 835                         break;
 836                 }
 837                 break;
 838         case SV_SUBTEMPL:
 839                 if (NewToken->nParameters != 1) {
 840                         lprintf(1, "Subtemplates (in '%s' line %ld); "
 841                                 "require exactly 1 parameter, yau gave %ld params [%s]\n",
 842                                 ChrPtr(pTmpl->FileName),
 843                                 NewToken->Line,
 844                                 NewToken->nParameters,
 845                                 ChrPtr(NewToken->FlatToken));
 846                         break;
 847                 }
 848                 break;
 849         case SV_CUST_STR_CONDITIONAL:
 850         case SV_CONDITIONAL:
 851         case SV_NEG_CONDITIONAL:
 852                 if (NewToken->nParameters <2) {
 853                         lprintf(1, "Conditional (in '%s' line %ld); "
 854                                 "require at least 2 parameters, yau gave %ld params [%s]\n",
 855                                 ChrPtr(pTmpl->FileName),
 856                                 NewToken->Line,
 857                                 NewToken->nParameters,
 858                                 ChrPtr(NewToken->FlatToken));
 859                         break;
 860                 }
 861                 if (!GetHash(Conditionals,
 862                              NewToken->Params[0]->Start,
 863                              NewToken->Params[0]->len,
 864                              &vVar) ||
 865                     (vVar == NULL)) {
 866                         if ((NewToken->Params[0]->len == 1) &&
 867                             (NewToken->Params[0]->Start[0] == 'X'))
 868                                 break;
 869                         lprintf(1, "Conditional [%s] (in '%s' line %ld); Not found![%s]\n",
 870                                 NewToken->Params[0]->Start,
 871                                 ChrPtr(pTmpl->FileName),
 872                                 NewToken->Line,
 873                                 ChrPtr(NewToken->FlatToken));
 874 /*
 875                         NewToken->Error = NewStrBuf();
 876                         StrBufAppendPrintf(
 877                                 NewToken->Error,
 878                                 "<pre>\nConditional [%s] (in '%s' line %ld); Not found!\n[%s]\n</pre>\n",
 879                                 NewToken->Params[0]->Start,
 880                                 ChrPtr(pTmpl->FileName),
 881                                 NewToken->Line,
 882                                 ChrPtr(NewToken->FlatToken));
 883 */
 884                 }
 885                 else {
 886                         NewToken->PreEval = vVar;
 887                 }
 888                 break;
 889         }
 890         return NewToken;
 891 }
 892
 893
 894
 895 int EvaluateConditional(StrBuf *Target, WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int Neg, int state, int ContextType)
 896 {
 897         ConditionalStruct *Cond;
 898
 899         if ((Token->Params[0]->len == 1) &&
 900             (Token->Params[0]->Start[0] == 'X'))
 901                 return (state != 0)?Token->Params[1]->lvalue:0;
 902
 903         Cond = (ConditionalStruct *) Token->PreEval;
 904
 905         if (Token->nParameters < Cond->nParams) {
 906                 lprintf(1, "Conditional [%s] (in '%s' line %ld); needs %ld Params![%s]\n",
 907                         Token->Params[0]->Start,
 908                         ChrPtr(pTmpl->FileName),
 909                         Token->Line,
 910                         Cond->nParams,
 911                         ChrPtr(Token->FlatToken));
 912                 StrBufAppendPrintf(
 913                         Target,
 914                         "<pre>\nConditional [%s] (in '%s' line %ld); needs %ld Params!\n[%s]\n</pre>\n",
 915                         Token->Params[0]->Start,
 916                         ChrPtr(pTmpl->FileName),
 917                         Token->Line,
 918                         Cond->nParams,
 919                         ChrPtr(Token->FlatToken));
 920                 return 0;
 921         }
 922         if (Cond->CondF(Token, Context, ContextType) == Neg)
 923                 return Token->Params[1]->lvalue;
 924         return 0;
 925 }
 926
 927 /**
 928  * \brief executes one token
 929  * \param Target buffer to append to
 930  * \param Token da to  process.
 931  * \param Template we're iterating
 932  * \param Context Contextpoointer to pass in
 933  * \param state are we in conditional state?
 934  * \param ContextType what type of information does context giv us?
 935  */
 936 int EvaluateToken(StrBuf *Target, WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int state, int ContextType)
 937 {
 938         HashHandler *Handler;
 939         void *vVar;
 940 // much output, since pName is not terminated...
 941 //      lprintf(1,"Doing token: %s\n",Token->pName);
 942
 943         switch (Token->Flags) {
 944         case SV_GETTEXT:
 945                 TmplGettext(Target, Token->nParameters, Token);
 946                 break;
 947         case SV_CONDITIONAL: /** Forward conditional evaluation */
 948                 return EvaluateConditional(Target, Token, pTmpl, Context, 1, state, ContextType);
 949                 break;
 950         case SV_NEG_CONDITIONAL: /** Reverse conditional evaluation */
 951                 return EvaluateConditional(Target, Token, pTmpl, Context, 0, state, ContextType);
 952                 break;
 953         case SV_CUST_STR_CONDITIONAL: /** Conditional put custom strings from params */
 954                 if (Token->nParameters >= 6) {
 955                         if (EvaluateConditional(Target, Token, pTmpl, Context, 0, state, ContextType))
 956                                 StrBufAppendBufPlain(Target,
 957                                                      Token->Params[5]->Start,
 958                                                      Token->Params[5]->len,
 959                                                      0);
 960                         else
 961                                 StrBufAppendBufPlain(Target,
 962                                                      Token->Params[4]->Start,
 963                                                      Token->Params[4]->len,
 964                                                      0);
 965                 }
 966                 break;
 967         case SV_SUBTEMPL:
 968                 if (Token->nParameters == 1)
 969                         DoTemplate(Token->Params[0]->Start, Token->Params[0]->len, NULL, NULL, ContextType);
 970                 break;
 971         case SV_PREEVALUATED:
 972                 Handler = (HashHandler*) Token->PreEval;
 973                 if ((Handler->ContextRequired != CTX_NONE) &&
 974                     (Handler->ContextRequired != ContextType)) {
 975                         lprintf(1, "Handler [%s] (in '%s' line %ld); "
 976                                 "requires context of type %ld, have %ld [%s]\n",
 977                                 Token->pName,
 978                                 ChrPtr(pTmpl->FileName),
 979                                 Token->Line,
 980                                 Handler->ContextRequired,
 981                                 ContextType,
 982                                 ChrPtr(Token->FlatToken));
 983                         StrBufAppendPrintf(
 984                                 Target,
 985                                 "<pre>\nHandler [%s] (in '%s' line %ld);"
 986                                 " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
 987                                 Token->pName,
 988                                 ChrPtr(pTmpl->FileName),
 989                                 Token->Line,
 990                                 Handler->ContextRequired,
 991                                 ContextType,
 992                                 ChrPtr(Token->FlatToken));
 993                         return -1;
 994
 995                 }
 996                 Handler->HandlerFunc(Target,
 997                                      Token->nParameters,
 998                                      Token,
 999                                      Context,
1000                                      ContextType);
1001                 break;
1002         default:
1003                 if (GetHash(GlobalNS, Token->pName, Token->NameEnd, &vVar)) {
1004                         Handler = (HashHandler*) vVar;
1005                         if ((Handler->ContextRequired != CTX_NONE) &&
1006                             (Handler->ContextRequired != ContextType)) {
1007                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
1008                                         "requires context of type %ld, have %ld [%s]\n",
1009                                         Token->pName,
1010                                         ChrPtr(pTmpl->FileName),
1011                                         Token->Line,
1012                                         Handler->ContextRequired,
1013                                         ContextType,
1014                                         ChrPtr(Token->FlatToken));
1015                                 StrBufAppendPrintf(
1016                                         Target,
1017                                         "<pre>\nHandler [%s] (in '%s' line %ld);"
1018                                         " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
1019                                         Token->pName,
1020                                         ChrPtr(pTmpl->FileName),
1021                                         Token->Line,
1022                                         Handler->ContextRequired,
1023                                         ContextType,
1024                                         ChrPtr(Token->FlatToken));
1025                                 return -1;
1026                         }
1027                         else if ((Token->nParameters < Handler->nMinArgs) ||
1028                                  (Token->nParameters > Handler->nMaxArgs)) {
1029                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
1030                                         "doesn't work with %ld params [%s]\n",
1031                                         Token->pName,
1032                                         ChrPtr(pTmpl->FileName),
1033                                         Token->Line,
1034                                         Token->nParameters,
1035                                         ChrPtr(Token->FlatToken));
1036                                 StrBufAppendPrintf(
1037                                         Target,
1038                                         "<pre>\nHandler [%s] (in '%s' line %ld);"
1039                                         " doesn't work with %ld params!\n[%s]\n</pre>\n",
1040                                         Token->pName,
1041                                         ChrPtr(pTmpl->FileName),
1042                                         Token->Line,
1043                                         Token->nParameters,
1044                                         ChrPtr(Token->FlatToken));
1045                         }
1046                         else {
1047                                 Handler->HandlerFunc(Target,
1048                                                      Token->nParameters,
1049                                                      Token,
1050                                                      Context,
1051                                                      ContextType); /*TODO: subset of that */
1052
1053                         }
1054                 }
1055                 else {
1056                         print_value_of(Target, Token, Context, ContextType);
1057                 }
1058         }
1059         return 0;
1060 }
1061
1062 void ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, void *Context, int ContextType)
1063 {
1064         WCTemplate *pTmpl = Tmpl;
1065         int done = 0;
1066         int i, state;
1067         const char *pData, *pS;
1068         long len;
1069
1070         if (LoadTemplates != 0) {
1071                 if (LoadTemplates > 1)
1072                         lprintf(1, "DBG: ----- loading:  [%s] ------ \n",
1073                                 ChrPtr(Tmpl->FileName));
1074
1075                 pTmpl = load_template(Tmpl->FileName, NULL, NULL);
1076                 if(pTmpl == NULL) {
1077                         StrBufAppendPrintf(
1078                                 Target,
1079                                 "<pre>\nError loading Template [%s]\n See Logfile for details\n</pre>\n",
1080                                 ChrPtr(Tmpl->FileName));
1081                         return;
1082                 }
1083
1084         }
1085
1086         pS = pData = ChrPtr(pTmpl->Data);
1087         len = StrLength(pTmpl->Data);
1088         i = 0;
1089         state = 0;
1090         while (!done) {
1091                 if (i >= pTmpl->nTokensUsed) {
1092                         StrBufAppendBufPlain(Target,
1093                                              pData,
1094                                              len - (pData - pS), 0);
1095                         done = 1;
1096                 }
1097                 else {
1098                         StrBufAppendBufPlain(
1099                                 Target, pData,
1100                                 pTmpl->Tokens[i]->pTokenStart - pData, 0);
1101                         state = EvaluateToken(Target, pTmpl->Tokens[i], pTmpl, Context, state, ContextType);
1102                         while ((state != 0) && (i+1 < pTmpl->nTokensUsed)) {
1103                         /* condition told us to skip till its end condition */
1104                                 i++;
1105                                 if ((pTmpl->Tokens[i]->Flags == SV_CONDITIONAL) ||
1106                                     (pTmpl->Tokens[i]->Flags == SV_NEG_CONDITIONAL)) {
1107                                         if (state == EvaluateConditional(
1108                                                     Target,
1109                                                     pTmpl->Tokens[i],
1110                                                     pTmpl,
1111                                                     Context,
1112                                                     pTmpl->Tokens[i]->Flags,
1113                                                     state,
1114                                                     ContextType))
1115                                                 state = 0;
1116                                 }
1117                         }
1118                         pData = pTmpl->Tokens[i++]->pTokenEnd + 1;
1119                         if (i > pTmpl->nTokensUsed)
1120                                 done = 1;
1121                 }
1122         }
1123         if (LoadTemplates != 0) {
1124                 FreeWCTemplate(pTmpl);
1125         }
1126 }
1127
1128
1129 /**
1130  * \brief Display a variable-substituted template
1131  * \param templatename template file to load
1132  */
1133 void *prepare_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
1134 {
1135         WCTemplate *NewTemplate;
1136         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
1137         NewTemplate->Data = NULL;
1138         NewTemplate->FileName = NewStrBufDup(filename);
1139         NewTemplate->nTokensUsed = 0;
1140         NewTemplate->TokenSpace = 0;
1141         NewTemplate->Tokens = NULL;
1142
1143         Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1144         return NewTemplate;
1145 }
1146
1147 /**
1148  * \brief Display a variable-substituted template
1149  * \param templatename template file to load
1150  */
1151 void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
1152 {
1153         int fd;
1154         struct stat statbuf;
1155         const char *pS, *pE, *pch, *Err;
1156         long Line;
1157         int pos;
1158         WCTemplate *NewTemplate;
1159
1160         fd = open(ChrPtr(filename), O_RDONLY);
1161         if (fd <= 0) {
1162                 lprintf(1, "ERROR: could not open template '%s' - %s\n",
1163                         ChrPtr(filename), strerror(errno));
1164                 return NULL;
1165         }
1166
1167         if (fstat(fd, &statbuf) == -1) {
1168                 lprintf(1, "ERROR: could not stat template '%s' - %s\n",
1169                         ChrPtr(filename), strerror(errno));
1170                 return NULL;
1171         }
1172
1173         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
1174         NewTemplate->Data = NewStrBufPlain(NULL, statbuf.st_size);
1175         NewTemplate->FileName = NewStrBufDup(filename);
1176         NewTemplate->nTokensUsed = 0;
1177         NewTemplate->TokenSpace = 0;
1178         NewTemplate->Tokens = NULL;
1179         if (StrBufReadBLOB(NewTemplate->Data, &fd, 1, statbuf.st_size, &Err) < 0) {
1180                 close(fd);
1181                 FreeWCTemplate(NewTemplate);
1182                 lprintf(1, "ERROR: reading template '%s' - %s<br />\n",
1183                         ChrPtr(filename), strerror(errno));
1184                 return NULL;
1185         }
1186         close(fd);
1187
1188         Line = 0;
1189         pS = pch = ChrPtr(NewTemplate->Data);
1190         pE = pS + StrLength(NewTemplate->Data);
1191         while (pch < pE) {
1192                 const char *pts, *pte;
1193                 int InQuotes = 0;
1194                 int InDoubleQuotes = 0;
1195
1196                 /** Find one <? > */
1197                 pos = (-1);
1198                 for (; pch < pE; pch ++) {
1199                         if ((*pch=='<')&&(*(pch + 1)=='?'))
1200                                 break;
1201                         if (*pch=='\n') Line ++;
1202                 }
1203                 if (pch >= pE)
1204                         continue;
1205                 pts = pch;
1206
1207                 /** Found one? parse it. */
1208                 for (; pch < pE - 1; pch ++) {
1209                         if (*pch == '"')
1210                                 InDoubleQuotes = ! InDoubleQuotes;
1211                         else if (*pch == '\'')
1212                                 InQuotes = ! InQuotes;
1213                         else if ((!InQuotes  && !InDoubleQuotes) &&
1214                                  ((*pch!='\\')&&(*(pch + 1)=='>'))) {
1215                                 pch ++;
1216                                 break;
1217                         }
1218                 }
1219                 if (pch + 1 >= pE)
1220                         continue;
1221                 pte = pch;
1222                 PutNewToken(NewTemplate,
1223                             NewTemplateSubstitute(NewTemplate->Data, pS, pts, pte, Line, NewTemplate));
1224                 pch ++;
1225         }
1226         if (LoadTemplates == 0)
1227                 Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1228         return NewTemplate;
1229 }
1230
1231
1232 ///void PrintTemplate(const char *Key, void *vSubst, int odd)
1233 const char* PrintTemplate(void *vSubst)
1234 {
1235         WCTemplate *Tmpl = vSubst;
1236
1237         return ChrPtr(Tmpl->FileName);
1238
1239 }
1240
1241
1242 /**
1243  * \brief Display a variable-substituted template
1244  * \param templatename template file to load
1245  */
1246 void DoTemplate(const char *templatename, long len, StrBuf *Target, void *Context, int ContextType)
1247 {
1248         HashList *Static;
1249         HashList *StaticLocal;
1250         void *vTmpl;
1251
1252         if (Target == NULL)
1253                 Target = WC->WBuf;
1254         if (WC->is_mobile) {
1255                 Static = WirelessTemplateCache;
1256                 StaticLocal = WirelessLocalTemplateCache;
1257         }
1258         else {
1259                 Static = TemplateCache;
1260                 StaticLocal = LocalTemplateCache;
1261         }
1262
1263         if (len == 0)
1264         {
1265                 lprintf (1, "Can't to load a template with empty name!\n");
1266                 StrBufAppendPrintf(Target, "<pre>\nCan't to load a template with empty name!\n</pre>");
1267                 return;
1268         }
1269
1270         if (!GetHash(StaticLocal, templatename, len, &vTmpl) &&
1271             !GetHash(Static, templatename, len, &vTmpl)) {
1272                 lprintf (1, "didn't find Template [%s] %ld %ld\n", templatename, len , (long)strlen(templatename));
1273                 StrBufAppendPrintf(Target, "<pre>\ndidn't find Template [%s] %ld %ld\n</pre>",
1274                                    templatename, len,
1275                                    (long)strlen(templatename));
1276 ///             dbg_PrintHash(Static, PrintTemplate, NULL);
1277 //              PrintHash(Static, VarPrintTransition, PrintTemplate);
1278                 return;
1279         }
1280         if (vTmpl == NULL)
1281                 return;
1282         ProcessTemplate(vTmpl, Target, Context, ContextType);
1283 }
1284
1285 int LoadTemplateDir(const char *DirName, HashList *wireless, HashList *big)
1286 {
1287         StrBuf *FileName;
1288         StrBuf *Tag;
1289         StrBuf *Dir;
1290         DIR *filedir = NULL;
1291         struct dirent *filedir_entry;
1292         int d_namelen;
1293         int d_without_ext;
1294         int IsMobile;
1295
1296         Dir = NewStrBuf();
1297         StrBufPrintf(Dir, "%s/t", DirName);
1298         filedir = opendir (ChrPtr(Dir));
1299         if (filedir == NULL) {
1300                 FreeStrBuf(&Dir);
1301                 return 0;
1302         }
1303
1304         FileName = NewStrBuf();
1305         Tag = NewStrBuf();
1306         while ((filedir_entry = readdir(filedir)))
1307         {
1308                 char *MinorPtr;
1309                 char *PStart;
1310 #ifdef _DIRENT_HAVE_D_NAMELEN
1311                 d_namelen = filedir_entry->d_namelen;
1312 #else
1313                 d_namelen = strlen(filedir_entry->d_name);
1314 #endif
1315                 d_without_ext = d_namelen;
1316                 while ((d_without_ext > 0) && (filedir_entry->d_name[d_without_ext] != '.'))
1317                         d_without_ext --;
1318                 if ((d_without_ext == 0) || (d_namelen < 3))
1319                         continue;
1320                 if ((d_namelen > 1) && filedir_entry->d_name[d_namelen - 1] == '~')
1321                         continue; /* Ignore backup files... */
1322
1323                 IsMobile = (strstr(filedir_entry->d_name, ".m.html")!= NULL);
1324                 PStart = filedir_entry->d_name;
1325                 StrBufPrintf(FileName, "%s/%s", ChrPtr(Dir),  filedir_entry->d_name);
1326                 MinorPtr = strchr(filedir_entry->d_name, '.');
1327                 if (MinorPtr != NULL)
1328                         *MinorPtr = '\0';
1329                 StrBufPlain(Tag, filedir_entry->d_name, MinorPtr - filedir_entry->d_name);
1330
1331                 if (LoadTemplates > 1)
1332                         lprintf(1, "%s %d %s\n",ChrPtr(FileName), IsMobile, ChrPtr(Tag));
1333                 if (LoadTemplates == 0)
1334                         load_template(FileName, Tag, (IsMobile)?wireless:big);
1335                 else
1336                         prepare_template(FileName, Tag, (IsMobile)?wireless:big);
1337         }
1338         closedir(filedir);
1339         FreeStrBuf(&FileName);
1340         FreeStrBuf(&Tag);
1341         FreeStrBuf(&Dir);
1342         return 1;
1343 }
1344
1345 void InitTemplateCache(void)
1346 {
1347         LoadTemplateDir(static_dirs[0],
1348                         WirelessTemplateCache,
1349                         TemplateCache);
1350         LoadTemplateDir(static_dirs[1],
1351                         WirelessLocalTemplateCache,
1352                         LocalTemplateCache);
1353 }
1354
1355
1356
1357 typedef struct _HashIterator {
1358         HashList *StaticList;
1359         int AdditionalParams;
1360         int ContextType;
1361         int XPectContextType;
1362         RetrieveHashlistFunc GetHash;
1363         HashDestructorFunc Destructor;
1364         SubTemplFunc DoSubTemplate;
1365 } HashIterator;
1366
1367 void tmpl_iterate_subtmpl(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1368 {
1369         void *vIt;
1370         HashIterator *It;
1371         HashList *List;
1372         HashPos  *it;
1373         long len;
1374         const char *Key;
1375         void *vContext;
1376         StrBuf *SubBuf;
1377         int oddeven = 0;
1378
1379         if (!GetHash(Iterators,
1380                      Tokens->Params[0]->Start,
1381                      Tokens->Params[0]->len,
1382                      &vIt)) {
1383                 lprintf(1, "unknown Iterator [%s] (in '%s' line %ld); "
1384                         " [%s]\n",
1385                         Tokens->Params[0]->Start,
1386                         ChrPtr(Tokens->FileName),
1387                         Tokens->Line,
1388                         ChrPtr(Tokens->FlatToken));
1389                 StrBufAppendPrintf(
1390                         Target,
1391                         "<pre>\nunknown Iterator [%s] (in '%s' line %ld); \n"
1392                         " [%s]\n</pre>",
1393                         Tokens->Params[0]->Start,
1394                         ChrPtr(Tokens->FileName),
1395                         Tokens->Line,
1396                         ChrPtr(Tokens->FlatToken));
1397                 return;
1398         }
1399
1400         It = (HashIterator*) vIt;
1401
1402         if (Tokens->nParameters < It->AdditionalParams + 2) {
1403                 lprintf(1, "Iterator [%s] (in '%s' line %ld); "
1404                         "doesn't work with %ld params [%s]\n",
1405                         Tokens->Params[0]->Start,
1406                         ChrPtr(Tokens->FileName),
1407                         Tokens->Line,
1408                         Tokens->nParameters,
1409                         ChrPtr(Tokens->FlatToken));
1410                 StrBufAppendPrintf(
1411                         Target,
1412                         "<pre>Iterator [%s] \n(in '%s' line %ld);\n"
1413                         "doesn't work with %ld params \n[%s]\n</pre>",
1414                         Tokens->Params[0]->Start,
1415                         ChrPtr(Tokens->FileName),
1416                         Tokens->Line,
1417                         Tokens->nParameters,
1418                         ChrPtr(Tokens->FlatToken));
1419                 return;
1420         }
1421
1422         if ((It->XPectContextType != CTX_NONE) &&
1423             (It->XPectContextType != ContextType)) {
1424                 lprintf(1, "Iterator [%s] (in '%s' line %ld); "
1425                         "requires context of type %ld, have %ld [%s]\n",
1426                         Tokens->pName,
1427                         ChrPtr(Tokens->FileName),
1428                         Tokens->Line,
1429                         It->XPectContextType,
1430                         ContextType,
1431                         ChrPtr(Tokens->FlatToken));
1432                 StrBufAppendPrintf(
1433                         Target,
1434                         "<pre>\nIterator [%s] (in '%s' line %ld);"
1435                         " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
1436                         Tokens->pName,
1437                         ChrPtr(Tokens->FileName),
1438                         Tokens->Line,
1439                         It->XPectContextType,
1440                         ContextType,
1441                         ChrPtr(Tokens->FlatToken));
1442                 return ;
1443
1444         }
1445
1446
1447
1448
1449         if (It->StaticList == NULL)
1450                 List = It->GetHash(Target, nArgs, Tokens, Context, ContextType);
1451         else
1452                 List = It->StaticList;
1453
1454         SubBuf = NewStrBuf();
1455         it = GetNewHashPos();
1456         while (GetNextHashPos(List, it, &len, &Key, &vContext)) {
1457                 svprintf(HKEY("ITERATE:ODDEVEN"), WCS_STRING, "%s",
1458                          (oddeven) ? "odd" : "even");
1459                 svprintf(HKEY("ITERATE:KEY"), WCS_STRING, "%s", Key);
1460
1461                 if (It->DoSubTemplate != NULL)
1462                         It->DoSubTemplate(SubBuf, vContext, Tokens);
1463                 DoTemplate(Tokens->Params[1]->Start,
1464                            Tokens->Params[1]->len,
1465                            SubBuf, vContext,
1466                            It->ContextType);
1467
1468                 StrBufAppendBuf(Target, SubBuf, 0);
1469                 FlushStrBuf(SubBuf);
1470                 oddeven = ~ oddeven;
1471         }
1472         FreeStrBuf(&SubBuf);
1473         DeleteHashPos(&it);
1474         if (It->Destructor != NULL)
1475                 It->Destructor(&List);
1476 }
1477
1478 int ConditionalVar(WCTemplateToken *Tokens, void *Context, int ContextType)
1479 {
1480         void *vsubst;
1481         wcsubst *subst;
1482
1483         if (!GetHash(WC->vars,
1484                      Tokens->Params[2]->Start,
1485                      Tokens->Params[2]->len,
1486                      &vsubst))
1487                 return 0;
1488         subst = (wcsubst*) vsubst;
1489         if ((subst->ContextRequired != CTX_NONE) &&
1490             (subst->ContextRequired != ContextType)) {
1491                 lprintf(1,"  WARNING: Conditional requires Context: [%ld]!\n", Tokens->Params[2]->Start);
1492                 return -1;
1493         }
1494
1495         switch(subst->wcs_type) {
1496         case WCS_FUNCTION:
1497                 return (subst->wcs_function!=NULL);
1498         case WCS_SERVCMD:
1499                 lprintf(1, "  -> Server [%s]\n", subst->wcs_value);////todo
1500                 return 1;
1501         case WCS_STRING:
1502         case WCS_STRBUF:
1503         case WCS_STRBUF_REF:
1504                 if (Tokens->nParameters < 4)
1505                         return 1;
1506                 return (strcmp(Tokens->Params[3]->Start, ChrPtr(subst->wcs_value)) == 0);
1507         case WCS_LONG:
1508                 if (Tokens->nParameters < 4)
1509                         return (subst->lvalue != 0);
1510                 return (subst->lvalue == Tokens->Params[3]->lvalue);
1511         default:
1512                 lprintf(1,"  WARNING: invalid type: [%ld]!\n", subst->wcs_type);
1513                 return -1;
1514         }
1515         return 0;
1516 }
1517
1518 void RegisterITERATOR(const char *Name, long len,
1519                       int AdditionalParams,
1520                       HashList *StaticList,
1521                       RetrieveHashlistFunc GetHash,
1522                       SubTemplFunc DoSubTempl,
1523                       HashDestructorFunc Destructor,
1524                       int ContextType,
1525                       int XPectContextType)
1526 {
1527         HashIterator *It = (HashIterator*)malloc(sizeof(HashIterator));
1528         It->StaticList = StaticList;
1529         It->AdditionalParams = AdditionalParams;
1530         It->GetHash = GetHash;
1531         It->DoSubTemplate = DoSubTempl;
1532         It->Destructor = Destructor;
1533         It->ContextType = ContextType;
1534         It->XPectContextType = XPectContextType;
1535         Put(Iterators, Name, len, It, NULL);
1536 }
1537
1538 void RegisterConditional(const char *Name, long len,
1539                          int nParams,
1540                          WCConditionalFunc CondF,
1541                          int ContextRequired)
1542 {
1543         ConditionalStruct *Cond = (ConditionalStruct*)malloc(sizeof(ConditionalStruct));
1544         Cond->nParams = nParams;
1545         Cond->CondF = CondF;
1546         Cond->ContextRequired = ContextRequired;
1547         Put(Conditionals, Name, len, Cond, NULL);
1548 }
1549
1550 void tmpl_do_boxed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1551 {
1552         if (nArgs == 2) {
1553                 StrBuf *Headline = NewStrBuf();
1554                 DoTemplate(Tokens->Params[1]->Start,
1555                            Tokens->Params[1]->len,
1556                            Headline,
1557                            Context,
1558                            ContextType);
1559                 SVPutBuf("BOXTITLE", Headline, 0);
1560         }
1561
1562         DoTemplate(HKEY("beginbox"), Target, Context, ContextType);
1563         DoTemplate(Tokens->Params[0]->Start,
1564                    Tokens->Params[0]->len,
1565                    Target,
1566                    Context,
1567                    ContextType);
1568         DoTemplate(HKEY("endbox"), Target, Context, ContextType);
1569 }
1570
1571 void tmpl_do_tabbed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1572 {
1573         StrBuf **TabNames;
1574         int i, ntabs, nTabs;
1575
1576         nTabs = ntabs = Tokens->nParameters / 2;
1577         TabNames = (StrBuf **) malloc(ntabs * sizeof(StrBuf*));
1578
1579         for (i = 0; i < ntabs; i++) {
1580                 TabNames[i] = NewStrBuf();
1581                 if (Tokens->Params[i * 2]->len > 0) {
1582                         DoTemplate(Tokens->Params[i * 2]->Start,
1583                                    Tokens->Params[i * 2]->len,
1584                                    TabNames[i],
1585                                    Context,
1586                                    ContextType);
1587                 }
1588                 else {
1589                         /** A Tab without subject? we can't count that, add it as silent */
1590                         nTabs --;
1591                 }
1592         }
1593
1594         StrTabbedDialog(Target, nTabs, TabNames);
1595         for (i = 0; i < ntabs; i++) {
1596                 StrBeginTab(Target, i, nTabs);
1597
1598                 DoTemplate(Tokens->Params[i * 2 + 1]->Start,
1599                            Tokens->Params[i * 2 + 1]->len,
1600                            Target,
1601                            Context,
1602                            ContextType);
1603                 StrEndTab(Target, i, nTabs);
1604         }
1605 }
1606
1607 void
1608 InitModule_SUBST
1609 (void)
1610 {
1611         RegisterNamespace("ITERATE", 2, 100, tmpl_iterate_subtmpl, CTX_NONE);
1612         RegisterNamespace("DOBOXED", 1, 2, tmpl_do_boxed, CTX_NONE);
1613         RegisterNamespace("DOTABBED", 2, 100, tmpl_do_tabbed, CTX_NONE);
1614         RegisterConditional(HKEY("COND:SUBST"), 3, ConditionalVar, CTX_NONE);
1615 }
1616
1617 /*@}*/