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                           const StrBuf *Source, int FormatTypeIndex)
 477 {
 478         struct wcsession *WCC;
 479         StrBuf *Buf;
 480         char EscapeAs = ' ';
 481
 482         if ((FormatTypeIndex < Tokens->nParameters) &&
 483             (Tokens->Params[FormatTypeIndex]->Type == TYPE_STR) &&
 484             (Tokens->Params[FormatTypeIndex]->len == 1)) {
 485                 EscapeAs = *Tokens->Params[FormatTypeIndex]->Start;
 486         }
 487
 488         switch(EscapeAs)
 489         {
 490         case 'H':
 491                 WCC = WC;
 492                 Buf = NewStrBufPlain(NULL, StrLength(Buf));
 493                 StrBuf_RFC822_to_Utf8(Buf,
 494                                       Source,
 495                                       (WCC!=NULL)? WCC->DefaultCharset : NULL,
 496                                       NULL);
 497                 StrEscAppend(Target, Buf, NULL, 0, 0);
 498                 FreeStrBuf(&Buf);
 499                 break;
 500         case 'X':
 501                 StrEscAppend(Target, Source, NULL, 0, 0);
 502                 break;
 503         default:
 504                 StrBufAppendBuf(Target, Source, 0);
 505         }
 506 }
 507
 508
 509 /**
 510  * \brief Print the value of a variable
 511  * \param keyname get a key to print
 512  */
 513 void print_value_of(StrBuf *Target, WCTemplateToken *Token, void *Context, int ContextType) {
 514         struct wcsession *WCC = WC;
 515         wcsubst *ptr;
 516         void *vVar;
 517
 518         /*if (WCC->vars != NULL) PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 519         /// TODO: debricated!
 520         if (Token->pName[0] == '=') {
 521                 DoTemplate(Token->pName+1, Token->NameEnd - 1, NULL, NULL, 0);
 522         }
 523
 524 //////TODO: if param[1] == "U" -> urlescape
 525 /// X -> escputs
 526         /** Page-local variables */
 527         if ((WCC->vars!= NULL) && GetHash(WCC->vars, Token->pName, Token->NameEnd, &vVar)) {
 528                 ptr = (wcsubst*) vVar;
 529                 switch(ptr->wcs_type) {
 530                 case WCS_STRING:
 531                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 532                         break;
 533                 case WCS_SERVCMD:
 534                         pvo_do_cmd(Target, ptr->wcs_value);
 535                         break;
 536                 case WCS_FUNCTION:
 537                         (*ptr->wcs_function) (Target, Token->nParameters, Token, Context, ContextType);
 538                         break;
 539                 case WCS_STRBUF:
 540                 case WCS_STRBUF_REF:
 541                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 542                         break;
 543                 case WCS_LONG:
 544                         StrBufAppendPrintf(Target, "%ld", ptr->lvalue);
 545                         break;
 546                 default:
 547                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n", Token->pName);
 548                         StrBufAppendPrintf(Target, "<pre>WARNING: \ninvalid value in SV-Hash at %s!\n</pre>", Token->pName);
 549                 }
 550         }
 551         else {
 552                 lprintf(1, "didn't find Handler [%s] (in '%s' line %ld); "
 553                         " [%s]\n",
 554                         Token->pName,
 555                         ChrPtr(Token->FileName),
 556                         Token->Line,
 557                         ChrPtr(Token->FlatToken));
 558                 wc_backtrace();
 559         }
 560 }
 561
 562 int CompareSubstToToken(TemplateParam *ParamToCompare, TemplateParam *ParamToLookup)
 563 {
 564         struct wcsession *WCC = WC;
 565         wcsubst *ptr;
 566         void *vVar;
 567
 568         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 569                                           ParamToLookup->len, &vVar)) {
 570                 ptr = (wcsubst*) vVar;
 571                 switch(ptr->wcs_type) {
 572                 case WCS_STRING:
 573                 case WCS_STRBUF:
 574                 case WCS_STRBUF_REF:
 575                         if (ParamToCompare->Type == TYPE_STR)
 576                                 return ((ParamToCompare->len == StrLength(ptr->wcs_value)) &&
 577                                         (strcmp(ParamToCompare->Start, ChrPtr(ptr->wcs_value)) == 0));
 578                         else
 579                                 return ParamToCompare->lvalue == StrTol(ptr->wcs_value);
 580                         break;
 581                 case WCS_SERVCMD:
 582                         return 1;
 583                         break;
 584                 case WCS_FUNCTION:
 585                         return 1;
 586                 case WCS_LONG:
 587                         if (ParamToCompare->Type == TYPE_STR)
 588                                 return 0;
 589                         else
 590                                 return ParamToCompare->lvalue == ptr->lvalue;
 591                         break;
 592                 default:
 593                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n",
 594                                 ParamToLookup->Start);
 595                 }
 596         }
 597         return 0;
 598 }
 599
 600 int CompareSubstToStrBuf(StrBuf *Compare, TemplateParam *ParamToLookup)
 601 {
 602         struct wcsession *WCC = WC;
 603         wcsubst *ptr;
 604         void *vVar;
 605
 606         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 607                                           ParamToLookup->len, &vVar)) {
 608                 ptr = (wcsubst*) vVar;
 609                 switch(ptr->wcs_type) {
 610                 case WCS_STRING:
 611                 case WCS_STRBUF:
 612                 case WCS_STRBUF_REF:
 613                         return ((StrLength(Compare) == StrLength(ptr->wcs_value)) &&
 614                                 (strcmp(ChrPtr(Compare), ChrPtr(ptr->wcs_value)) == 0));
 615                 case WCS_SERVCMD:
 616                         return 1;
 617                         break;
 618                 case WCS_FUNCTION:
 619                         return 1;
 620                 case WCS_LONG:
 621                         return StrTol(Compare) == ptr->lvalue;
 622                 default:
 623                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n",
 624                                 ParamToLookup->Start);
 625                 }
 626         }
 627         return 0;
 628 }
 629
 630
 631 void PutNewToken(WCTemplate *Template, WCTemplateToken *NewToken)
 632 {
 633         if (Template->nTokensUsed + 1 >= Template->TokenSpace) {
 634                 if (Template->TokenSpace <= 0) {
 635                         Template->Tokens = (WCTemplateToken**)malloc(
 636                                 sizeof(WCTemplateToken*) * 10);
 637                         Template->TokenSpace = 10;
 638                 }
 639                 else {
 640                         WCTemplateToken **NewTokens;
 641                         NewTokens= (WCTemplateToken**)malloc(
 642                                 sizeof(WCTemplateToken*) *
 643                                 Template->TokenSpace * 2);
 644                         memcpy(NewTokens, Template->Tokens,
 645                                sizeof(WCTemplateToken*) * Template->nTokensUsed);
 646                         free(Template->Tokens);
 647                         Template->TokenSpace *= 2;
 648                         Template->Tokens = NewTokens;
 649                 }
 650         }
 651         Template->Tokens[(Template->nTokensUsed)++] = NewToken;
 652 }
 653
 654 TemplateParam *GetNextParameter(StrBuf *Buf, const char **pCh, const char *pe, WCTemplateToken *Token, WCTemplate *pTmpl)
 655 {
 656         const char *pch = *pCh;
 657         const char *pchs, *pche;
 658         TemplateParam *Parm = (TemplateParam *) malloc(sizeof(TemplateParam));
 659         char quote = '\0';
 660
 661         /* Skip leading whitespaces */
 662         while ((*pch == ' ' )||
 663                (*pch == '\t')||
 664                (*pch == '\r')||
 665                (*pch == '\n')) pch ++;
 666         if (*pch == '"')
 667                 quote = '"';
 668         else if (*pch == '\'')
 669                 quote = '\'';
 670         if (quote != '\0') {
 671                 pch ++;
 672                 pchs = pch;
 673                 Parm->Type = TYPE_STR;
 674                 while (pch <= pe &&
 675                        ((*pch != quote) ||
 676                         ( (pch > pchs) && (*(pch - 1) == '\\'))
 677                                )) {
 678                         pch ++;
 679                 }
 680                 pche = pch;
 681                 if (*pch != quote) {
 682                         lprintf(1, "Error (in '%s' line %ld); "
 683                                 "evaluating template param [%s] in Token [%s]\n",
 684                                 ChrPtr(pTmpl->FileName),
 685                                 Token->Line,
 686                                 ChrPtr(Token->FlatToken),
 687                                 *pCh);
 688                         pch ++;
 689                         free(Parm);
 690                         return NULL;
 691                 }
 692                 else {
 693                         StrBufPeek(Buf, pch, -1, '\0');
 694                         if (LoadTemplates > 1) {
 695                                 lprintf(1, "DBG: got param [%s] %ld %ld\n",
 696                                         pchs, pche - pchs, strlen(pchs));
 697                         }
 698                         Parm->Start = pchs;
 699                         Parm->len = pche - pchs;
 700                         pch ++; /* move after trailing quote */
 701                 }
 702         }
 703         else {
 704                 Parm->Type = TYPE_LONG;
 705                 pchs = pch;
 706                 while ((pch <= pe) &&
 707                        (isdigit(*pch) ||
 708                         (*pch == '+') ||
 709                         (*pch == '-')))
 710                         pch ++;
 711                 pch ++;
 712                 if (pch - pchs > 1){
 713                         StrBufPeek(Buf, pch, -1, '\0');
 714                         Parm->lvalue = atol(pchs);
 715                         Parm->Start = pchs;
 716                         pch++;
 717                 }
 718                 else {
 719                         Parm->lvalue = 0;
 720                         lprintf(1, "Error (in '%s' line %ld); "
 721                                 "evaluating long template param [%s] in Token [%s]\n",
 722                                 ChrPtr(pTmpl->FileName),
 723                                 Token->Line,
 724                                 ChrPtr(Token->FlatToken),
 725                                 *pCh);
 726                         free(Parm);
 727                         return NULL;
 728                 }
 729         }
 730         while ((*pch == ' ' )||
 731                (*pch == '\t')||
 732                (*pch == '\r')||
 733                (*pch == ',' )||
 734                (*pch == '\n')) pch ++;
 735
 736         *pCh = pch;
 737         return Parm;
 738 }
 739
 740 WCTemplateToken *NewTemplateSubstitute(StrBuf *Buf,
 741                                        const char *pStart,
 742                                        const char *pTmplStart,
 743                                        const char *pTmplEnd,
 744                                        long Line,
 745                                        WCTemplate *pTmpl)
 746 {
 747         void *vVar;
 748         const char *pch;
 749         TemplateParam *Param;
 750         WCTemplateToken *NewToken = (WCTemplateToken*)malloc(sizeof(WCTemplateToken));
 751
 752         NewToken->FileName = pTmpl->FileName; /* to print meaningfull log messages... */
 753         NewToken->Flags = 0;
 754         NewToken->Line = Line + 1;
 755         NewToken->pTokenStart = pTmplStart;
 756         NewToken->TokenStart = pTmplStart - pStart;
 757         NewToken->TokenEnd =  (pTmplEnd - pStart) - NewToken->TokenStart;
 758         NewToken->pTokenEnd = pTmplEnd;
 759         NewToken->NameEnd = NewToken->TokenEnd - 2;
 760         NewToken->PreEval = NULL;
 761         NewToken->FlatToken = NewStrBufPlain(pTmplStart + 2, pTmplEnd - pTmplStart - 2);
 762
 763         StrBufPeek(Buf, pTmplStart, + 1, '\0');
 764         StrBufPeek(Buf, pTmplEnd, -1, '\0');
 765         pch = NewToken->pName = pTmplStart + 2;
 766
 767         NewToken->HaveParameters = 0;;
 768         NewToken->nParameters = 0;
 769
 770         while (pch < pTmplEnd - 1) {
 771                 if (*pch == '(') {
 772                         StrBufPeek(Buf, pch, -1, '\0');
 773                         NewToken->NameEnd = pch - NewToken->pName;
 774                         pch ++;
 775                         if (*(pTmplEnd - 1) != ')') {
 776                                 lprintf(1, "Warning, Non welformed Token; missing right parenthesis (in '%s' line %ld); "
 777                                         "[%s]\n",
 778                                         ChrPtr(pTmpl->FileName),
 779                                         NewToken->Line,
 780                                         ChrPtr(NewToken->FlatToken));
 781                         }
 782                         while (pch < pTmplEnd - 1) {
 783                                 Param = GetNextParameter(Buf, &pch, pTmplEnd - 1, NewToken, pTmpl);
 784                                 if (Param != NULL) {
 785                                         NewToken->HaveParameters = 1;
 786                                         if (NewToken->nParameters > MAXPARAM) {
 787                                                 lprintf(1, "Error (in '%s' line %ld); "
 788                                                         "only [%ld] Params allowed in Tokens [%s]\n",
 789                                                         ChrPtr(pTmpl->FileName),
 790                                                         NewToken->Line,
 791                                                         MAXPARAM,
 792                                                         ChrPtr(NewToken->FlatToken));
 793                                                 free(Param);
 794                                                 FreeToken(&NewToken);
 795                                                 return NULL;
 796                                         }
 797                                         NewToken->Params[NewToken->nParameters++] = Param;
 798                                 }
 799                                 else break;
 800                         }
 801                         if((NewToken->NameEnd == 1) &&
 802                            (NewToken->HaveParameters == 1))
 803
 804                         {
 805                                 if (*(NewToken->pName) == '_')
 806                                         NewToken->Flags = SV_GETTEXT;
 807                                 else if (*(NewToken->pName) == '=')
 808                                         NewToken->Flags = SV_SUBTEMPL;
 809                                 else if (*(NewToken->pName) == '%')
 810                                         NewToken->Flags = SV_CUST_STR_CONDITIONAL;
 811                                 else if (*(NewToken->pName) == '?')
 812                                         NewToken->Flags = SV_CONDITIONAL;
 813                                 else if (*(NewToken->pName) == '!')
 814                                         NewToken->Flags = SV_NEG_CONDITIONAL;
 815                         }
 816                 }
 817                 else pch ++;
 818         }
 819
 820         switch (NewToken->Flags) {
 821         case 0:
 822                 /* If we're able to find out more about the token, do it now while its fresh. */
 823                 if (GetHash(GlobalNS, NewToken->pName, NewToken->NameEnd, &vVar)) {
 824                         HashHandler *Handler;
 825                         Handler = (HashHandler*) vVar;
 826                         if ((NewToken->nParameters < Handler->nMinArgs) ||
 827                             (NewToken->nParameters > Handler->nMaxArgs)) {
 828                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
 829                                         "doesn't work with %ld params [%s]\n",
 830                                         NewToken->pName,
 831                                         ChrPtr(pTmpl->FileName),
 832                                         NewToken->Line,
 833                                         NewToken->nParameters,
 834                                         ChrPtr(NewToken->FlatToken));
 835                         }
 836                         else {
 837                                 NewToken->PreEval = Handler;
 838                                 NewToken->Flags = SV_PREEVALUATED;
 839                         }
 840                 }
 841                 break;
 842         case SV_GETTEXT:
 843                 if (NewToken->nParameters !=1) {
 844                         lprintf(1, "Gettext (in '%s' line %ld); "
 845                                 "requires exactly 1 parameter, you gave %ld params [%s]\n",
 846                                 ChrPtr(pTmpl->FileName),
 847                                 NewToken->Line,
 848                                 NewToken->nParameters,
 849                                 ChrPtr(NewToken->FlatToken));
 850                         NewToken->Flags = 0;
 851                         break;
 852                 }
 853                 break;
 854         case SV_SUBTEMPL:
 855                 if (NewToken->nParameters != 1) {
 856                         lprintf(1, "Subtemplates (in '%s' line %ld); "
 857                                 "require exactly 1 parameter, you gave %ld params [%s]\n",
 858                                 ChrPtr(pTmpl->FileName),
 859                                 NewToken->Line,
 860                                 NewToken->nParameters,
 861                                 ChrPtr(NewToken->FlatToken));
 862                         break;
 863                 }
 864                 break;
 865         case SV_CUST_STR_CONDITIONAL:
 866         case SV_CONDITIONAL:
 867         case SV_NEG_CONDITIONAL:
 868                 if (NewToken->nParameters <2) {
 869                         lprintf(1, "Conditional (in '%s' line %ld); "
 870                                 "require at least 2 parameters, you gave %ld params [%s]\n",
 871                                 ChrPtr(pTmpl->FileName),
 872                                 NewToken->Line,
 873                                 NewToken->nParameters,
 874                                 ChrPtr(NewToken->FlatToken));
 875                         NewToken->Flags = 0;
 876                         break;
 877                 }
 878                 if (!GetHash(Conditionals,
 879                              NewToken->Params[0]->Start,
 880                              NewToken->Params[0]->len,
 881                              &vVar) ||
 882                     (vVar == NULL)) {
 883                         if ((NewToken->Params[0]->len == 1) &&
 884                             (NewToken->Params[0]->Start[0] == 'X'))
 885                                 break;
 886                         lprintf(1, "Conditional [%s] (in '%s' line %ld); Not found![%s]\n",
 887                                 NewToken->Params[0]->Start,
 888                                 ChrPtr(pTmpl->FileName),
 889                                 NewToken->Line,
 890                                 ChrPtr(NewToken->FlatToken));
 891 /*
 892                         NewToken->Error = NewStrBuf();
 893                         StrBufAppendPrintf(
 894                                 NewToken->Error,
 895                                 "<pre>\nConditional [%s] (in '%s' line %ld); Not found!\n[%s]\n</pre>\n",
 896                                 NewToken->Params[0]->Start,
 897                                 ChrPtr(pTmpl->FileName),
 898                                 NewToken->Line,
 899                                 ChrPtr(NewToken->FlatToken));
 900 */
 901                 }
 902                 else {
 903                         NewToken->PreEval = vVar;
 904                 }
 905                 break;
 906         }
 907         return NewToken;
 908 }
 909
 910
 911
 912 int EvaluateConditional(StrBuf *Target, WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int Neg, int state, int ContextType)
 913 {
 914         ConditionalStruct *Cond;
 915
 916         if ((Token->Params[0]->len == 1) &&
 917             (Token->Params[0]->Start[0] == 'X'))
 918                 return (state != 0)?Token->Params[1]->lvalue:0;
 919
 920         Cond = (ConditionalStruct *) Token->PreEval;
 921         if (Cond == NULL) {
 922                 lprintf(1, "Conditional [%s] (in '%s' line %ld); unknown![%s]\n",
 923                         Token->Params[0]->Start,
 924                         ChrPtr(pTmpl->FileName),
 925                         Token->Line,
 926                         ChrPtr(Token->FlatToken));
 927                 return 1;
 928         }
 929
 930         if (Token->nParameters < Cond->nParams) {
 931                 lprintf(1, "Conditional [%s] (in '%s' line %ld); needs %ld Params![%s]\n",
 932                         Token->Params[0]->Start,
 933                         ChrPtr(pTmpl->FileName),
 934                         Token->Line,
 935                         Cond->nParams,
 936                         ChrPtr(Token->FlatToken));
 937                 StrBufAppendPrintf(
 938                         Target,
 939                         "<pre>\nConditional [%s] (in '%s' line %ld); needs %ld Params!\n[%s]\n</pre>\n",
 940                         Token->Params[0]->Start,
 941                         ChrPtr(pTmpl->FileName),
 942                         Token->Line,
 943                         Cond->nParams,
 944                         ChrPtr(Token->FlatToken));
 945                 return 0;
 946         }
 947         if (Cond->CondF(Token, Context, ContextType) == Neg)
 948                 return Token->Params[1]->lvalue;
 949         return 0;
 950 }
 951
 952 /**
 953  * \brief executes one token
 954  * \param Target buffer to append to
 955  * \param Token da to  process.
 956  * \param Template we're iterating
 957  * \param Context Contextpoointer to pass in
 958  * \param state are we in conditional state?
 959  * \param ContextType what type of information does context giv us?
 960  */
 961 int EvaluateToken(StrBuf *Target, WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int state, int ContextType)
 962 {
 963         HashHandler *Handler;
 964         void *vVar;
 965 // much output, since pName is not terminated...
 966 //      lprintf(1,"Doing token: %s\n",Token->pName);
 967
 968         switch (Token->Flags) {
 969         case SV_GETTEXT:
 970                 TmplGettext(Target, Token->nParameters, Token);
 971                 break;
 972         case SV_CONDITIONAL: /** Forward conditional evaluation */
 973                 return EvaluateConditional(Target, Token, pTmpl, Context, 1, state, ContextType);
 974                 break;
 975         case SV_NEG_CONDITIONAL: /** Reverse conditional evaluation */
 976                 return EvaluateConditional(Target, Token, pTmpl, Context, 0, state, ContextType);
 977                 break;
 978         case SV_CUST_STR_CONDITIONAL: /** Conditional put custom strings from params */
 979                 if (Token->nParameters >= 6) {
 980                         if (EvaluateConditional(Target, Token, pTmpl, Context, 0, state, ContextType))
 981                                 StrBufAppendBufPlain(Target,
 982                                                      Token->Params[5]->Start,
 983                                                      Token->Params[5]->len,
 984                                                      0);
 985                         else
 986                                 StrBufAppendBufPlain(Target,
 987                                                      Token->Params[4]->Start,
 988                                                      Token->Params[4]->len,
 989                                                      0);
 990                 }
 991                 break;
 992         case SV_SUBTEMPL:
 993                 if (Token->nParameters == 1)
 994                         DoTemplate(Token->Params[0]->Start, Token->Params[0]->len, NULL, NULL, ContextType);
 995                 break;
 996         case SV_PREEVALUATED:
 997                 Handler = (HashHandler*) Token->PreEval;
 998                 if ((Handler->ContextRequired != CTX_NONE) &&
 999                     (Handler->ContextRequired != ContextType)) {
1000                         lprintf(1, "Handler [%s] (in '%s' line %ld); "
1001                                 "requires context of type %ld, have %ld [%s]\n",
1002                                 Token->pName,
1003                                 ChrPtr(pTmpl->FileName),
1004                                 Token->Line,
1005                                 Handler->ContextRequired,
1006                                 ContextType,
1007                                 ChrPtr(Token->FlatToken));
1008                         StrBufAppendPrintf(
1009                                 Target,
1010                                 "<pre>\nHandler [%s] (in '%s' line %ld);"
1011                                 " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
1012                                 Token->pName,
1013                                 ChrPtr(pTmpl->FileName),
1014                                 Token->Line,
1015                                 Handler->ContextRequired,
1016                                 ContextType,
1017                                 ChrPtr(Token->FlatToken));
1018                         return -1;
1019
1020                 }
1021                 Handler->HandlerFunc(Target,
1022                                      Token->nParameters,
1023                                      Token,
1024                                      Context,
1025                                      ContextType);
1026                 break;
1027         default:
1028                 if (GetHash(GlobalNS, Token->pName, Token->NameEnd, &vVar)) {
1029                         Handler = (HashHandler*) vVar;
1030                         if ((Handler->ContextRequired != CTX_NONE) &&
1031                             (Handler->ContextRequired != ContextType)) {
1032                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
1033                                         "requires context of type %ld, have %ld [%s]\n",
1034                                         Token->pName,
1035                                         ChrPtr(pTmpl->FileName),
1036                                         Token->Line,
1037                                         Handler->ContextRequired,
1038                                         ContextType,
1039                                         ChrPtr(Token->FlatToken));
1040                                 StrBufAppendPrintf(
1041                                         Target,
1042                                         "<pre>\nHandler [%s] (in '%s' line %ld);"
1043                                         " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
1044                                         Token->pName,
1045                                         ChrPtr(pTmpl->FileName),
1046                                         Token->Line,
1047                                         Handler->ContextRequired,
1048                                         ContextType,
1049                                         ChrPtr(Token->FlatToken));
1050                                 return -1;
1051                         }
1052                         else if ((Token->nParameters < Handler->nMinArgs) ||
1053                                  (Token->nParameters > Handler->nMaxArgs)) {
1054                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
1055                                         "doesn't work with %ld params [%s]\n",
1056                                         Token->pName,
1057                                         ChrPtr(pTmpl->FileName),
1058                                         Token->Line,
1059                                         Token->nParameters,
1060                                         ChrPtr(Token->FlatToken));
1061                                 StrBufAppendPrintf(
1062                                         Target,
1063                                         "<pre>\nHandler [%s] (in '%s' line %ld);"
1064                                         " doesn't work with %ld params!\n[%s]\n</pre>\n",
1065                                         Token->pName,
1066                                         ChrPtr(pTmpl->FileName),
1067                                         Token->Line,
1068                                         Token->nParameters,
1069                                         ChrPtr(Token->FlatToken));
1070                         }
1071                         else {
1072                                 Handler->HandlerFunc(Target,
1073                                                      Token->nParameters,
1074                                                      Token,
1075                                                      Context,
1076                                                      ContextType); /*TODO: subset of that */
1077
1078                         }
1079                 }
1080                 else {
1081                         print_value_of(Target, Token, Context, ContextType);
1082                 }
1083         }
1084         return 0;
1085 }
1086
1087 void ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, void *Context, int ContextType)
1088 {
1089         WCTemplate *pTmpl = Tmpl;
1090         int done = 0;
1091         int i, state;
1092         const char *pData, *pS;
1093         long len;
1094
1095         if (LoadTemplates != 0) {
1096                 if (LoadTemplates > 1)
1097                         lprintf(1, "DBG: ----- loading:  [%s] ------ \n",
1098                                 ChrPtr(Tmpl->FileName));
1099
1100                 pTmpl = load_template(Tmpl->FileName, NULL, NULL);
1101                 if(pTmpl == NULL) {
1102                         StrBufAppendPrintf(
1103                                 Target,
1104                                 "<pre>\nError loading Template [%s]\n See Logfile for details\n</pre>\n",
1105                                 ChrPtr(Tmpl->FileName));
1106                         return;
1107                 }
1108
1109         }
1110
1111         pS = pData = ChrPtr(pTmpl->Data);
1112         len = StrLength(pTmpl->Data);
1113         i = 0;
1114         state = 0;
1115         while (!done) {
1116                 if (i >= pTmpl->nTokensUsed) {
1117                         StrBufAppendBufPlain(Target,
1118                                              pData,
1119                                              len - (pData - pS), 0);
1120                         done = 1;
1121                 }
1122                 else {
1123                         StrBufAppendBufPlain(
1124                                 Target, pData,
1125                                 pTmpl->Tokens[i]->pTokenStart - pData, 0);
1126                         state = EvaluateToken(Target, pTmpl->Tokens[i], pTmpl, Context, state, ContextType);
1127                         while ((state != 0) && (i+1 < pTmpl->nTokensUsed)) {
1128                         /* condition told us to skip till its end condition */
1129                                 i++;
1130                                 if ((pTmpl->Tokens[i]->Flags == SV_CONDITIONAL) ||
1131                                     (pTmpl->Tokens[i]->Flags == SV_NEG_CONDITIONAL)) {
1132                                         if (state == EvaluateConditional(
1133                                                     Target,
1134                                                     pTmpl->Tokens[i],
1135                                                     pTmpl,
1136                                                     Context,
1137                                                     pTmpl->Tokens[i]->Flags,
1138                                                     state,
1139                                                     ContextType))
1140                                                 state = 0;
1141                                 }
1142                         }
1143                         pData = pTmpl->Tokens[i++]->pTokenEnd + 1;
1144                         if (i > pTmpl->nTokensUsed)
1145                                 done = 1;
1146                 }
1147         }
1148         if (LoadTemplates != 0) {
1149                 FreeWCTemplate(pTmpl);
1150         }
1151 }
1152
1153
1154 /**
1155  * \brief Display a variable-substituted template
1156  * \param templatename template file to load
1157  */
1158 void *prepare_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
1159 {
1160         WCTemplate *NewTemplate;
1161         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
1162         NewTemplate->Data = NULL;
1163         NewTemplate->FileName = NewStrBufDup(filename);
1164         NewTemplate->nTokensUsed = 0;
1165         NewTemplate->TokenSpace = 0;
1166         NewTemplate->Tokens = NULL;
1167
1168         Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1169         return NewTemplate;
1170 }
1171
1172 /**
1173  * \brief Display a variable-substituted template
1174  * \param templatename template file to load
1175  */
1176 void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
1177 {
1178         int fd;
1179         struct stat statbuf;
1180         const char *pS, *pE, *pch, *Err;
1181         long Line;
1182         int pos;
1183         WCTemplate *NewTemplate;
1184
1185         fd = open(ChrPtr(filename), O_RDONLY);
1186         if (fd <= 0) {
1187                 lprintf(1, "ERROR: could not open template '%s' - %s\n",
1188                         ChrPtr(filename), strerror(errno));
1189                 return NULL;
1190         }
1191
1192         if (fstat(fd, &statbuf) == -1) {
1193                 lprintf(1, "ERROR: could not stat template '%s' - %s\n",
1194                         ChrPtr(filename), strerror(errno));
1195                 return NULL;
1196         }
1197
1198         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
1199         NewTemplate->Data = NewStrBufPlain(NULL, statbuf.st_size);
1200         NewTemplate->FileName = NewStrBufDup(filename);
1201         NewTemplate->nTokensUsed = 0;
1202         NewTemplate->TokenSpace = 0;
1203         NewTemplate->Tokens = NULL;
1204         if (StrBufReadBLOB(NewTemplate->Data, &fd, 1, statbuf.st_size, &Err) < 0) {
1205                 close(fd);
1206                 FreeWCTemplate(NewTemplate);
1207                 lprintf(1, "ERROR: reading template '%s' - %s<br />\n",
1208                         ChrPtr(filename), strerror(errno));
1209                 return NULL;
1210         }
1211         close(fd);
1212
1213         Line = 0;
1214         pS = pch = ChrPtr(NewTemplate->Data);
1215         pE = pS + StrLength(NewTemplate->Data);
1216         while (pch < pE) {
1217                 const char *pts, *pte;
1218                 int InQuotes = 0;
1219                 int InDoubleQuotes = 0;
1220
1221                 /** Find one <? > */
1222                 pos = (-1);
1223                 for (; pch < pE; pch ++) {
1224                         if ((*pch=='<')&&(*(pch + 1)=='?'))
1225                                 break;
1226                         if (*pch=='\n') Line ++;
1227                 }
1228                 if (pch >= pE)
1229                         continue;
1230                 pts = pch;
1231
1232                 /** Found one? parse it. */
1233                 for (; pch < pE - 1; pch ++) {
1234                         if (*pch == '"')
1235                                 InDoubleQuotes = ! InDoubleQuotes;
1236                         else if (*pch == '\'')
1237                                 InQuotes = ! InQuotes;
1238                         else if ((!InQuotes  && !InDoubleQuotes) &&
1239                                  ((*pch!='\\')&&(*(pch + 1)=='>'))) {
1240                                 pch ++;
1241                                 break;
1242                         }
1243                 }
1244                 if (pch + 1 >= pE)
1245                         continue;
1246                 pte = pch;
1247                 PutNewToken(NewTemplate,
1248                             NewTemplateSubstitute(NewTemplate->Data, pS, pts, pte, Line, NewTemplate));
1249                 pch ++;
1250         }
1251         if (LoadTemplates == 0)
1252                 Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1253         return NewTemplate;
1254 }
1255
1256
1257 ///void PrintTemplate(const char *Key, void *vSubst, int odd)
1258 const char* PrintTemplate(void *vSubst)
1259 {
1260         WCTemplate *Tmpl = vSubst;
1261
1262         return ChrPtr(Tmpl->FileName);
1263
1264 }
1265
1266
1267 /**
1268  * \brief Display a variable-substituted template
1269  * \param templatename template file to load
1270  */
1271 void DoTemplate(const char *templatename, long len, StrBuf *Target, void *Context, int ContextType)
1272 {
1273         HashList *Static;
1274         HashList *StaticLocal;
1275         void *vTmpl;
1276
1277         if (Target == NULL)
1278                 Target = WC->WBuf;
1279         if (WC->is_mobile) {
1280                 Static = WirelessTemplateCache;
1281                 StaticLocal = WirelessLocalTemplateCache;
1282         }
1283         else {
1284                 Static = TemplateCache;
1285                 StaticLocal = LocalTemplateCache;
1286         }
1287
1288         if (len == 0)
1289         {
1290                 lprintf (1, "Can't to load a template with empty name!\n");
1291                 StrBufAppendPrintf(Target, "<pre>\nCan't to load a template with empty name!\n</pre>");
1292                 return;
1293         }
1294
1295         if (!GetHash(StaticLocal, templatename, len, &vTmpl) &&
1296             !GetHash(Static, templatename, len, &vTmpl)) {
1297                 lprintf (1, "didn't find Template [%s] %ld %ld\n", templatename, len , (long)strlen(templatename));
1298                 StrBufAppendPrintf(Target, "<pre>\ndidn't find Template [%s] %ld %ld\n</pre>",
1299                                    templatename, len,
1300                                    (long)strlen(templatename));
1301 ///             dbg_PrintHash(Static, PrintTemplate, NULL);
1302 //              PrintHash(Static, VarPrintTransition, PrintTemplate);
1303                 return;
1304         }
1305         if (vTmpl == NULL)
1306                 return;
1307         ProcessTemplate(vTmpl, Target, Context, ContextType);
1308 }
1309
1310 int LoadTemplateDir(const char *DirName, HashList *wireless, HashList *big)
1311 {
1312         StrBuf *FileName;
1313         StrBuf *Tag;
1314         StrBuf *Dir;
1315         DIR *filedir = NULL;
1316         struct dirent *filedir_entry;
1317         int d_namelen;
1318         int d_without_ext;
1319         int IsMobile;
1320
1321         Dir = NewStrBuf();
1322         StrBufPrintf(Dir, "%s/t", DirName);
1323         filedir = opendir (ChrPtr(Dir));
1324         if (filedir == NULL) {
1325                 FreeStrBuf(&Dir);
1326                 return 0;
1327         }
1328
1329         FileName = NewStrBuf();
1330         Tag = NewStrBuf();
1331         while ((filedir_entry = readdir(filedir)))
1332         {
1333                 char *MinorPtr;
1334                 char *PStart;
1335 #ifdef _DIRENT_HAVE_D_NAMELEN
1336                 d_namelen = filedir_entry->d_namelen;
1337 #else
1338                 d_namelen = strlen(filedir_entry->d_name);
1339 #endif
1340                 d_without_ext = d_namelen;
1341                 while ((d_without_ext > 0) && (filedir_entry->d_name[d_without_ext] != '.'))
1342                         d_without_ext --;
1343                 if ((d_without_ext == 0) || (d_namelen < 3))
1344                         continue;
1345                 if ((d_namelen > 1) && filedir_entry->d_name[d_namelen - 1] == '~')
1346                         continue; /* Ignore backup files... */
1347
1348                 IsMobile = (strstr(filedir_entry->d_name, ".m.html")!= NULL);
1349                 PStart = filedir_entry->d_name;
1350                 StrBufPrintf(FileName, "%s/%s", ChrPtr(Dir),  filedir_entry->d_name);
1351                 MinorPtr = strchr(filedir_entry->d_name, '.');
1352                 if (MinorPtr != NULL)
1353                         *MinorPtr = '\0';
1354                 StrBufPlain(Tag, filedir_entry->d_name, MinorPtr - filedir_entry->d_name);
1355
1356                 if (LoadTemplates > 1)
1357                         lprintf(1, "%s %d %s\n",ChrPtr(FileName), IsMobile, ChrPtr(Tag));
1358                 if (LoadTemplates == 0)
1359                         load_template(FileName, Tag, (IsMobile)?wireless:big);
1360                 else
1361                         prepare_template(FileName, Tag, (IsMobile)?wireless:big);
1362         }
1363         closedir(filedir);
1364         FreeStrBuf(&FileName);
1365         FreeStrBuf(&Tag);
1366         FreeStrBuf(&Dir);
1367         return 1;
1368 }
1369
1370 void InitTemplateCache(void)
1371 {
1372         LoadTemplateDir(static_dirs[0],
1373                         WirelessTemplateCache,
1374                         TemplateCache);
1375         LoadTemplateDir(static_dirs[1],
1376                         WirelessLocalTemplateCache,
1377                         LocalTemplateCache);
1378 }
1379
1380
1381
1382 typedef struct _HashIterator {
1383         HashList *StaticList;
1384         int AdditionalParams;
1385         int ContextType;
1386         int XPectContextType;
1387         RetrieveHashlistFunc GetHash;
1388         HashDestructorFunc Destructor;
1389         SubTemplFunc DoSubTemplate;
1390 } HashIterator;
1391
1392 void tmpl_iterate_subtmpl(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1393 {
1394         void *vIt;
1395         HashIterator *It;
1396         HashList *List;
1397         HashPos  *it;
1398         long len;
1399         const char *Key;
1400         void *vContext;
1401         StrBuf *SubBuf;
1402         int oddeven = 0;
1403
1404         if (!GetHash(Iterators,
1405                      Tokens->Params[0]->Start,
1406                      Tokens->Params[0]->len,
1407                      &vIt)) {
1408                 lprintf(1, "unknown Iterator [%s] (in '%s' line %ld); "
1409                         " [%s]\n",
1410                         Tokens->Params[0]->Start,
1411                         ChrPtr(Tokens->FileName),
1412                         Tokens->Line,
1413                         ChrPtr(Tokens->FlatToken));
1414                 StrBufAppendPrintf(
1415                         Target,
1416                         "<pre>\nunknown Iterator [%s] (in '%s' line %ld); \n"
1417                         " [%s]\n</pre>",
1418                         Tokens->Params[0]->Start,
1419                         ChrPtr(Tokens->FileName),
1420                         Tokens->Line,
1421                         ChrPtr(Tokens->FlatToken));
1422                 return;
1423         }
1424
1425         It = (HashIterator*) vIt;
1426
1427         if (Tokens->nParameters < It->AdditionalParams + 2) {
1428                 lprintf(1, "Iterator [%s] (in '%s' line %ld); "
1429                         "doesn't work with %ld params [%s]\n",
1430                         Tokens->Params[0]->Start,
1431                         ChrPtr(Tokens->FileName),
1432                         Tokens->Line,
1433                         Tokens->nParameters,
1434                         ChrPtr(Tokens->FlatToken));
1435                 StrBufAppendPrintf(
1436                         Target,
1437                         "<pre>Iterator [%s] \n(in '%s' line %ld);\n"
1438                         "doesn't work with %ld params \n[%s]\n</pre>",
1439                         Tokens->Params[0]->Start,
1440                         ChrPtr(Tokens->FileName),
1441                         Tokens->Line,
1442                         Tokens->nParameters,
1443                         ChrPtr(Tokens->FlatToken));
1444                 return;
1445         }
1446
1447         if ((It->XPectContextType != CTX_NONE) &&
1448             (It->XPectContextType != ContextType)) {
1449                 lprintf(1, "Iterator [%s] (in '%s' line %ld); "
1450                         "requires context of type %ld, have %ld [%s]\n",
1451                         Tokens->pName,
1452                         ChrPtr(Tokens->FileName),
1453                         Tokens->Line,
1454                         It->XPectContextType,
1455                         ContextType,
1456                         ChrPtr(Tokens->FlatToken));
1457                 StrBufAppendPrintf(
1458                         Target,
1459                         "<pre>\nIterator [%s] (in '%s' line %ld);"
1460                         " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
1461                         Tokens->pName,
1462                         ChrPtr(Tokens->FileName),
1463                         Tokens->Line,
1464                         It->XPectContextType,
1465                         ContextType,
1466                         ChrPtr(Tokens->FlatToken));
1467                 return ;
1468
1469         }
1470
1471
1472
1473
1474         if (It->StaticList == NULL)
1475                 List = It->GetHash(Target, nArgs, Tokens, Context, ContextType);
1476         else
1477                 List = It->StaticList;
1478
1479         SubBuf = NewStrBuf();
1480         it = GetNewHashPos();
1481         while (GetNextHashPos(List, it, &len, &Key, &vContext)) {
1482                 svprintf(HKEY("ITERATE:ODDEVEN"), WCS_STRING, "%s",
1483                          (oddeven) ? "odd" : "even");
1484                 svprintf(HKEY("ITERATE:KEY"), WCS_STRING, "%s", Key);
1485
1486                 if (It->DoSubTemplate != NULL)
1487                         It->DoSubTemplate(SubBuf, vContext, Tokens);
1488                 DoTemplate(Tokens->Params[1]->Start,
1489                            Tokens->Params[1]->len,
1490                            SubBuf, vContext,
1491                            It->ContextType);
1492
1493                 StrBufAppendBuf(Target, SubBuf, 0);
1494                 FlushStrBuf(SubBuf);
1495                 oddeven = ~ oddeven;
1496         }
1497         FreeStrBuf(&SubBuf);
1498         DeleteHashPos(&it);
1499         if (It->Destructor != NULL)
1500                 It->Destructor(&List);
1501 }
1502
1503 int ConditionalVar(WCTemplateToken *Tokens, void *Context, int ContextType)
1504 {
1505         void *vsubst;
1506         wcsubst *subst;
1507
1508         if (!GetHash(WC->vars,
1509                      Tokens->Params[2]->Start,
1510                      Tokens->Params[2]->len,
1511                      &vsubst))
1512                 return 0;
1513         subst = (wcsubst*) vsubst;
1514         if ((subst->ContextRequired != CTX_NONE) &&
1515             (subst->ContextRequired != ContextType)) {
1516                 lprintf(1,"  WARNING: Conditional requires Context: [%ld]!\n", Tokens->Params[2]->Start);
1517                 return -1;
1518         }
1519
1520         switch(subst->wcs_type) {
1521         case WCS_FUNCTION:
1522                 return (subst->wcs_function!=NULL);
1523         case WCS_SERVCMD:
1524                 lprintf(1, "  -> Server [%s]\n", subst->wcs_value);////todo
1525                 return 1;
1526         case WCS_STRING:
1527         case WCS_STRBUF:
1528         case WCS_STRBUF_REF:
1529                 if (Tokens->nParameters < 4)
1530                         return 1;
1531                 return (strcmp(Tokens->Params[3]->Start, ChrPtr(subst->wcs_value)) == 0);
1532         case WCS_LONG:
1533                 if (Tokens->nParameters < 4)
1534                         return (subst->lvalue != 0);
1535                 return (subst->lvalue == Tokens->Params[3]->lvalue);
1536         default:
1537                 lprintf(1,"  WARNING: invalid type: [%ld]!\n", subst->wcs_type);
1538                 return -1;
1539         }
1540         return 0;
1541 }
1542
1543 void RegisterITERATOR(const char *Name, long len,
1544                       int AdditionalParams,
1545                       HashList *StaticList,
1546                       RetrieveHashlistFunc GetHash,
1547                       SubTemplFunc DoSubTempl,
1548                       HashDestructorFunc Destructor,
1549                       int ContextType,
1550                       int XPectContextType)
1551 {
1552         HashIterator *It = (HashIterator*)malloc(sizeof(HashIterator));
1553         It->StaticList = StaticList;
1554         It->AdditionalParams = AdditionalParams;
1555         It->GetHash = GetHash;
1556         It->DoSubTemplate = DoSubTempl;
1557         It->Destructor = Destructor;
1558         It->ContextType = ContextType;
1559         It->XPectContextType = XPectContextType;
1560         Put(Iterators, Name, len, It, NULL);
1561 }
1562
1563 void RegisterConditional(const char *Name, long len,
1564                          int nParams,
1565                          WCConditionalFunc CondF,
1566                          int ContextRequired)
1567 {
1568         ConditionalStruct *Cond = (ConditionalStruct*)malloc(sizeof(ConditionalStruct));
1569         Cond->nParams = nParams;
1570         Cond->CondF = CondF;
1571         Cond->ContextRequired = ContextRequired;
1572         Put(Conditionals, Name, len, Cond, NULL);
1573 }
1574
1575 void tmpl_do_boxed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1576 {
1577         if (nArgs == 2) {
1578                 StrBuf *Headline = NewStrBuf();
1579                 DoTemplate(Tokens->Params[1]->Start,
1580                            Tokens->Params[1]->len,
1581                            Headline,
1582                            Context,
1583                            ContextType);
1584                 SVPutBuf("BOXTITLE", Headline, 0);
1585         }
1586
1587         DoTemplate(HKEY("beginbox"), Target, Context, ContextType);
1588         DoTemplate(Tokens->Params[0]->Start,
1589                    Tokens->Params[0]->len,
1590                    Target,
1591                    Context,
1592                    ContextType);
1593         DoTemplate(HKEY("endbox"), Target, Context, ContextType);
1594 }
1595
1596 void tmpl_do_tabbed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1597 {
1598         StrBuf **TabNames;
1599         int i, ntabs, nTabs;
1600
1601         nTabs = ntabs = Tokens->nParameters / 2;
1602         TabNames = (StrBuf **) malloc(ntabs * sizeof(StrBuf*));
1603
1604         for (i = 0; i < ntabs; i++) {
1605                 TabNames[i] = NewStrBuf();
1606                 if (Tokens->Params[i * 2]->len > 0) {
1607                         DoTemplate(Tokens->Params[i * 2]->Start,
1608                                    Tokens->Params[i * 2]->len,
1609                                    TabNames[i],
1610                                    Context,
1611                                    ContextType);
1612                 }
1613                 else {
1614                         /** A Tab without subject? we can't count that, add it as silent */
1615                         nTabs --;
1616                 }
1617         }
1618
1619         StrTabbedDialog(Target, nTabs, TabNames);
1620         for (i = 0; i < ntabs; i++) {
1621                 StrBeginTab(Target, i, nTabs);
1622
1623                 DoTemplate(Tokens->Params[i * 2 + 1]->Start,
1624                            Tokens->Params[i * 2 + 1]->len,
1625                            Target,
1626                            Context,
1627                            ContextType);
1628                 StrEndTab(Target, i, nTabs);
1629         }
1630 }
1631
1632 void
1633 InitModule_SUBST
1634 (void)
1635 {
1636         RegisterNamespace("ITERATE", 2, 100, tmpl_iterate_subtmpl, CTX_NONE);
1637         RegisterNamespace("DOBOXED", 1, 2, tmpl_do_boxed, CTX_NONE);
1638         RegisterNamespace("DOTABBED", 2, 100, tmpl_do_tabbed, CTX_NONE);
1639         RegisterConditional(HKEY("COND:SUBST"), 3, ConditionalVar, CTX_NONE);
1640 }
1641
1642 /*@}*/