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 void GetTemplateTokenString(WCTemplateToken *Tokens,
 510                             int N,
 511                             const char **Value,
 512                             long *len)
 513 {
 514         StrBuf *Buf;
 515
 516         if (Tokens->nParameters < N) {
 517                 *Value = "";
 518                 *len = 0;
 519                 return;
 520         }
 521
 522         switch (Tokens->Params[N]->Type) {
 523
 524         case TYPE_STR:
 525                 *Value = Tokens->Params[N]->Start;
 526                 *len = Tokens->Params[N]->len;
 527                 break;
 528         case TYPE_BSTR:
 529                 Buf = (StrBuf*) SBstr(Tokens->Params[N]->Start,
 530                                       Tokens->Params[N]->len);
 531                 *Value = ChrPtr(Buf);
 532                 *len = StrLength(Buf);
 533                 break;
 534         case TYPE_PREFSTR:
 535                 get_PREFERENCE(
 536                         Tokens->Params[N]->Start,
 537                         Tokens->Params[N]->len,
 538                         &Buf);
 539                 *Value = ChrPtr(Buf);
 540                 *len = StrLength(Buf);
 541                 break;
 542         case TYPE_LONG:
 543         case TYPE_PREFINT:
 544                 break; ///todo: string to text?
 545         case TYPE_GETTEXT:
 546                 *Value = _(Tokens->Params[N]->Start);
 547                 *len = strlen(*Value);
 548                 break;
 549         default:
 550                 break;
 551 //todo log error
 552         }
 553 }
 554
 555
 556
 557 /**
 558  * \brief Print the value of a variable
 559  * \param keyname get a key to print
 560  */
 561 void print_value_of(StrBuf *Target, WCTemplateToken *Tokens, void *Context, int ContextType) {
 562         struct wcsession *WCC = WC;
 563         wcsubst *ptr;
 564         void *vVar;
 565
 566         /*if (WCC->vars != NULL) PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 567         /// TODO: debricated!
 568         if (Tokens->pName[0] == '=') {
 569                 DoTemplate(Tokens->pName+1, Tokens->NameEnd - 1, NULL, NULL, 0);
 570         }
 571
 572 //////TODO: if param[1] == "U" -> urlescape
 573 /// X -> escputs
 574         /** Page-local variables */
 575         if ((WCC->vars!= NULL) && GetHash(WCC->vars, Tokens->pName, Tokens->NameEnd, &vVar)) {
 576                 ptr = (wcsubst*) vVar;
 577                 switch(ptr->wcs_type) {
 578                 case WCS_STRING:
 579                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 580                         break;
 581                 case WCS_SERVCMD:
 582                         pvo_do_cmd(Target, ptr->wcs_value);
 583                         break;
 584                 case WCS_FUNCTION:
 585                         (*ptr->wcs_function) (Target, Tokens->nParameters, Tokens, Context, ContextType);
 586                         break;
 587                 case WCS_STRBUF:
 588                 case WCS_STRBUF_REF:
 589                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 590                         break;
 591                 case WCS_LONG:
 592                         StrBufAppendPrintf(Target, "%ld", ptr->lvalue);
 593                         break;
 594                 default:
 595                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n", Tokens->pName);
 596                         StrBufAppendPrintf(Target, "<pre>WARNING: \ninvalid value in SV-Hash at %s!\n</pre>", Tokens->pName);
 597                 }
 598         }
 599         else {
 600                 lprintf(1, "didn't find Handler [%s] (in '%s' line %ld); "
 601                         " [%s]\n",
 602                         Tokens->pName,
 603                         ChrPtr(Tokens->FileName),
 604                         Tokens->Line,
 605                         ChrPtr(Tokens->FlatToken));
 606                 wc_backtrace();
 607         }
 608 }
 609
 610 int CompareSubstToToken(TemplateParam *ParamToCompare, TemplateParam *ParamToLookup)
 611 {
 612         struct wcsession *WCC = WC;
 613         wcsubst *ptr;
 614         void *vVar;
 615
 616         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 617                                           ParamToLookup->len, &vVar)) {
 618                 ptr = (wcsubst*) vVar;
 619                 switch(ptr->wcs_type) {
 620                 case WCS_STRING:
 621                 case WCS_STRBUF:
 622                 case WCS_STRBUF_REF:
 623                         if (ParamToCompare->Type == TYPE_STR)
 624                                 return ((ParamToCompare->len == StrLength(ptr->wcs_value)) &&
 625                                         (strcmp(ParamToCompare->Start, ChrPtr(ptr->wcs_value)) == 0));
 626                         else
 627                                 return ParamToCompare->lvalue == StrTol(ptr->wcs_value);
 628                         break;
 629                 case WCS_SERVCMD:
 630                         return 1;
 631                         break;
 632                 case WCS_FUNCTION:
 633                         return 1;
 634                 case WCS_LONG:
 635                         if (ParamToCompare->Type == TYPE_STR)
 636                                 return 0;
 637                         else
 638                                 return ParamToCompare->lvalue == ptr->lvalue;
 639                         break;
 640                 default:
 641                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n",
 642                                 ParamToLookup->Start);
 643                 }
 644         }
 645         return 0;
 646 }
 647
 648 int CompareSubstToStrBuf(StrBuf *Compare, TemplateParam *ParamToLookup)
 649 {
 650         struct wcsession *WCC = WC;
 651         wcsubst *ptr;
 652         void *vVar;
 653
 654         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 655                                           ParamToLookup->len, &vVar)) {
 656                 ptr = (wcsubst*) vVar;
 657                 switch(ptr->wcs_type) {
 658                 case WCS_STRING:
 659                 case WCS_STRBUF:
 660                 case WCS_STRBUF_REF:
 661                         return ((StrLength(Compare) == StrLength(ptr->wcs_value)) &&
 662                                 (strcmp(ChrPtr(Compare), ChrPtr(ptr->wcs_value)) == 0));
 663                 case WCS_SERVCMD:
 664                         return 1;
 665                         break;
 666                 case WCS_FUNCTION:
 667                         return 1;
 668                 case WCS_LONG:
 669                         return StrTol(Compare) == ptr->lvalue;
 670                 default:
 671                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n",
 672                                 ParamToLookup->Start);
 673                 }
 674         }
 675         return 0;
 676 }
 677
 678
 679 void PutNewToken(WCTemplate *Template, WCTemplateToken *NewToken)
 680 {
 681         if (Template->nTokensUsed + 1 >= Template->TokenSpace) {
 682                 if (Template->TokenSpace <= 0) {
 683                         Template->Tokens = (WCTemplateToken**)malloc(
 684                                 sizeof(WCTemplateToken*) * 10);
 685                         Template->TokenSpace = 10;
 686                 }
 687                 else {
 688                         WCTemplateToken **NewTokens;
 689                         NewTokens= (WCTemplateToken**)malloc(
 690                                 sizeof(WCTemplateToken*) *
 691                                 Template->TokenSpace * 2);
 692                         memcpy(NewTokens, Template->Tokens,
 693                                sizeof(WCTemplateToken*) * Template->nTokensUsed);
 694                         free(Template->Tokens);
 695                         Template->TokenSpace *= 2;
 696                         Template->Tokens = NewTokens;
 697                 }
 698         }
 699         Template->Tokens[(Template->nTokensUsed)++] = NewToken;
 700 }
 701
 702 TemplateParam *GetNextParameter(StrBuf *Buf, const char **pCh, const char *pe, WCTemplateToken *Tokens, WCTemplate *pTmpl)
 703 {
 704         const char *pch = *pCh;
 705         const char *pchs, *pche;
 706         TemplateParam *Parm = (TemplateParam *) malloc(sizeof(TemplateParam));
 707         char quote = '\0';
 708
 709
 710         Parm->Type = TYPE_STR;
 711
 712         /* Skip leading whitespaces */
 713         while ((*pch == ' ' )||
 714                (*pch == '\t')||
 715                (*pch == '\r')||
 716                (*pch == '\n')) pch ++;
 717
 718         if (*pch == ':') {
 719                 Parm->Type = TYPE_PREFSTR;
 720                 pch ++;
 721         }
 722         else if (*pch == ';') {
 723                 Parm->Type = TYPE_PREFINT;
 724                 pch ++;
 725         }
 726         else if (*pch == '_') {
 727                 Parm->Type = TYPE_GETTEXT;
 728                 pch ++;
 729         }
 730         else if (*pch == 'B') {
 731                 Parm->Type = TYPE_BSTR;
 732                 pch ++;
 733         }
 734
 735
 736         if (*pch == '"')
 737                 quote = '"';
 738         else if (*pch == '\'')
 739                 quote = '\'';
 740         if (quote != '\0') {
 741                 pch ++;
 742                 pchs = pch;
 743                 while (pch <= pe &&
 744                        ((*pch != quote) ||
 745                         ( (pch > pchs) && (*(pch - 1) == '\\'))
 746                                )) {
 747                         pch ++;
 748                 }
 749                 pche = pch;
 750                 if (*pch != quote) {
 751                         lprintf(1, "Error (in '%s' line %ld); "
 752                                 "evaluating template param [%s] in Token [%s]\n",
 753                                 ChrPtr(pTmpl->FileName),
 754                                 Tokens->Line,
 755                                 ChrPtr(Tokens->FlatToken),
 756                                 *pCh);
 757                         pch ++;
 758                         free(Parm);
 759                         return NULL;
 760                 }
 761                 else {
 762                         StrBufPeek(Buf, pch, -1, '\0');
 763                         if (LoadTemplates > 1) {
 764                                 lprintf(1, "DBG: got param [%s] %ld %ld\n",
 765                                         pchs, pche - pchs, strlen(pchs));
 766                         }
 767                         Parm->Start = pchs;
 768                         Parm->len = pche - pchs;
 769                         pch ++; /* move after trailing quote */
 770                 }
 771         }
 772         else {
 773                 Parm->Type = TYPE_LONG;
 774                 pchs = pch;
 775                 while ((pch <= pe) &&
 776                        (isdigit(*pch) ||
 777                         (*pch == '+') ||
 778                         (*pch == '-')))
 779                         pch ++;
 780                 pch ++;
 781                 if (pch - pchs > 1){
 782                         StrBufPeek(Buf, pch, -1, '\0');
 783                         Parm->lvalue = atol(pchs);
 784                         Parm->Start = pchs;
 785                         pch++;
 786                 }
 787                 else {
 788                         Parm->lvalue = 0;
 789                         lprintf(1, "Error (in '%s' line %ld); "
 790                                 "evaluating long template param [%s] in Token [%s]\n",
 791                                 ChrPtr(pTmpl->FileName),
 792                                 Tokens->Line,
 793                                 ChrPtr(Tokens->FlatToken),
 794                                 *pCh);
 795                         free(Parm);
 796                         return NULL;
 797                 }
 798         }
 799         while ((*pch == ' ' )||
 800                (*pch == '\t')||
 801                (*pch == '\r')||
 802                (*pch == ',' )||
 803                (*pch == '\n')) pch ++;
 804
 805         *pCh = pch;
 806         return Parm;
 807 }
 808
 809 WCTemplateToken *NewTemplateSubstitute(StrBuf *Buf,
 810                                        const char *pStart,
 811                                        const char *pTmplStart,
 812                                        const char *pTmplEnd,
 813                                        long Line,
 814                                        WCTemplate *pTmpl)
 815 {
 816         void *vVar;
 817         const char *pch;
 818         TemplateParam *Param;
 819         WCTemplateToken *NewToken = (WCTemplateToken*)malloc(sizeof(WCTemplateToken));
 820
 821         NewToken->FileName = pTmpl->FileName; /* to print meaningfull log messages... */
 822         NewToken->Flags = 0;
 823         NewToken->Line = Line + 1;
 824         NewToken->pTokenStart = pTmplStart;
 825         NewToken->TokenStart = pTmplStart - pStart;
 826         NewToken->TokenEnd =  (pTmplEnd - pStart) - NewToken->TokenStart;
 827         NewToken->pTokenEnd = pTmplEnd;
 828         NewToken->NameEnd = NewToken->TokenEnd - 2;
 829         NewToken->PreEval = NULL;
 830         NewToken->FlatToken = NewStrBufPlain(pTmplStart + 2, pTmplEnd - pTmplStart - 2);
 831
 832         StrBufPeek(Buf, pTmplStart, + 1, '\0');
 833         StrBufPeek(Buf, pTmplEnd, -1, '\0');
 834         pch = NewToken->pName = pTmplStart + 2;
 835
 836         NewToken->HaveParameters = 0;;
 837         NewToken->nParameters = 0;
 838
 839         while (pch < pTmplEnd - 1) {
 840                 if (*pch == '(') {
 841                         StrBufPeek(Buf, pch, -1, '\0');
 842                         NewToken->NameEnd = pch - NewToken->pName;
 843                         pch ++;
 844                         if (*(pTmplEnd - 1) != ')') {
 845                                 lprintf(1, "Warning, Non welformed Token; missing right parenthesis (in '%s' line %ld); "
 846                                         "[%s]\n",
 847                                         ChrPtr(pTmpl->FileName),
 848                                         NewToken->Line,
 849                                         ChrPtr(NewToken->FlatToken));
 850                         }
 851                         while (pch < pTmplEnd - 1) {
 852                                 Param = GetNextParameter(Buf, &pch, pTmplEnd - 1, NewToken, pTmpl);
 853                                 if (Param != NULL) {
 854                                         NewToken->HaveParameters = 1;
 855                                         if (NewToken->nParameters > MAXPARAM) {
 856                                                 lprintf(1, "Error (in '%s' line %ld); "
 857                                                         "only [%ld] Params allowed in Tokens [%s]\n",
 858                                                         ChrPtr(pTmpl->FileName),
 859                                                         NewToken->Line,
 860                                                         MAXPARAM,
 861                                                         ChrPtr(NewToken->FlatToken));
 862                                                 free(Param);
 863                                                 FreeToken(&NewToken);
 864                                                 return NULL;
 865                                         }
 866                                         NewToken->Params[NewToken->nParameters++] = Param;
 867                                 }
 868                                 else break;
 869                         }
 870                         if((NewToken->NameEnd == 1) &&
 871                            (NewToken->HaveParameters == 1))
 872
 873                         {
 874                                 if (*(NewToken->pName) == '_')
 875                                         NewToken->Flags = SV_GETTEXT;
 876                                 else if (*(NewToken->pName) == '=')
 877                                         NewToken->Flags = SV_SUBTEMPL;
 878                                 else if (*(NewToken->pName) == '%')
 879                                         NewToken->Flags = SV_CUST_STR_CONDITIONAL;
 880                                 else if (*(NewToken->pName) == '?')
 881                                         NewToken->Flags = SV_CONDITIONAL;
 882                                 else if (*(NewToken->pName) == '!')
 883                                         NewToken->Flags = SV_NEG_CONDITIONAL;
 884                         }
 885                 }
 886                 else pch ++;
 887         }
 888
 889         switch (NewToken->Flags) {
 890         case 0:
 891                 /* If we're able to find out more about the token, do it now while its fresh. */
 892                 if (GetHash(GlobalNS, NewToken->pName, NewToken->NameEnd, &vVar)) {
 893                         HashHandler *Handler;
 894                         Handler = (HashHandler*) vVar;
 895                         if ((NewToken->nParameters < Handler->nMinArgs) ||
 896                             (NewToken->nParameters > Handler->nMaxArgs)) {
 897                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
 898                                         "doesn't work with %ld params [%s]\n",
 899                                         NewToken->pName,
 900                                         ChrPtr(pTmpl->FileName),
 901                                         NewToken->Line,
 902                                         NewToken->nParameters,
 903                                         ChrPtr(NewToken->FlatToken));
 904                         }
 905                         else {
 906                                 NewToken->PreEval = Handler;
 907                                 NewToken->Flags = SV_PREEVALUATED;
 908                         }
 909                 }
 910                 break;
 911         case SV_GETTEXT:
 912                 if (NewToken->nParameters !=1) {
 913                         lprintf(1, "Gettext (in '%s' line %ld); "
 914                                 "requires exactly 1 parameter, you gave %ld params [%s]\n",
 915                                 ChrPtr(pTmpl->FileName),
 916                                 NewToken->Line,
 917                                 NewToken->nParameters,
 918                                 ChrPtr(NewToken->FlatToken));
 919                         NewToken->Flags = 0;
 920                         break;
 921                 }
 922                 break;
 923         case SV_SUBTEMPL:
 924                 if (NewToken->nParameters != 1) {
 925                         lprintf(1, "Subtemplates (in '%s' line %ld); "
 926                                 "require exactly 1 parameter, you gave %ld params [%s]\n",
 927                                 ChrPtr(pTmpl->FileName),
 928                                 NewToken->Line,
 929                                 NewToken->nParameters,
 930                                 ChrPtr(NewToken->FlatToken));
 931                         break;
 932                 }
 933                 break;
 934         case SV_CUST_STR_CONDITIONAL:
 935         case SV_CONDITIONAL:
 936         case SV_NEG_CONDITIONAL:
 937                 if (NewToken->Params[1]->lvalue == 0) {
 938                         lprintf(1, "Conditional (in '%s' line %ld); "
 939                                 "Conditional ID mustn't be 0! [%s]\n",
 940                                 ChrPtr(pTmpl->FileName),
 941                                 NewToken->Line,
 942                                 ChrPtr(NewToken->FlatToken));
 943                         NewToken->Flags = 0;
 944                         break;
 945                 }
 946                 if (NewToken->nParameters <2) {
 947                         lprintf(1, "Conditional (in '%s' line %ld); "
 948                                 "require at least 2 parameters, you gave %ld params [%s]\n",
 949                                 ChrPtr(pTmpl->FileName),
 950                                 NewToken->Line,
 951                                 NewToken->nParameters,
 952                                 ChrPtr(NewToken->FlatToken));
 953                         NewToken->Flags = 0;
 954                         break;
 955                 }
 956                 if (!GetHash(Conditionals,
 957                              NewToken->Params[0]->Start,
 958                              NewToken->Params[0]->len,
 959                              &vVar) ||
 960                     (vVar == NULL)) {
 961                         if ((NewToken->Params[0]->len == 1) &&
 962                             (NewToken->Params[0]->Start[0] == 'X'))
 963                                 break;
 964                         lprintf(1, "Conditional [%s] (in '%s' line %ld); Not found![%s]\n",
 965                                 NewToken->Params[0]->Start,
 966                                 ChrPtr(pTmpl->FileName),
 967                                 NewToken->Line,
 968                                 ChrPtr(NewToken->FlatToken));
 969 /*
 970                         NewToken->Error = NewStrBuf();
 971                         StrBufAppendPrintf(
 972                                 NewToken->Error,
 973                                 "<pre>\nConditional [%s] (in '%s' line %ld); Not found!\n[%s]\n</pre>\n",
 974                                 NewToken->Params[0]->Start,
 975                                 ChrPtr(pTmpl->FileName),
 976                                 NewToken->Line,
 977                                 ChrPtr(NewToken->FlatToken));
 978 */
 979                 }
 980                 else {
 981                         NewToken->PreEval = vVar;
 982                 }
 983                 break;
 984         }
 985         return NewToken;
 986 }
 987
 988
 989
 990 int EvaluateConditional(StrBuf *Target, WCTemplateToken *Tokens, WCTemplate *pTmpl, void *Context, int Neg, int state, int ContextType)
 991 {
 992         ConditionalStruct *Cond;
 993
 994         if ((Tokens->Params[0]->len == 1) &&
 995             (Tokens->Params[0]->Start[0] == 'X'))
 996                 return (state != 0)?Tokens->Params[1]->lvalue:0;
 997
 998         Cond = (ConditionalStruct *) Tokens->PreEval;
 999         if (Cond == NULL) {
1000                 lprintf(1, "Conditional [%s] (in '%s' line %ld); unknown![%s]\n",
1001                         Tokens->Params[0]->Start,
1002                         ChrPtr(pTmpl->FileName),
1003                         Tokens->Line,
1004                         ChrPtr(Tokens->FlatToken));
1005                 return 1;
1006         }
1007
1008         if (Tokens->nParameters < Cond->nParams) {
1009                 lprintf(1, "Conditional [%s] (in '%s' line %ld); needs %ld Params![%s]\n",
1010                         Tokens->Params[0]->Start,
1011                         ChrPtr(pTmpl->FileName),
1012                         Tokens->Line,
1013                         Cond->nParams,
1014                         ChrPtr(Tokens->FlatToken));
1015                 StrBufAppendPrintf(
1016                         Target,
1017                         "<pre>\nConditional [%s] (in '%s' line %ld); needs %ld Params!\n[%s]\n</pre>\n",
1018                         Tokens->Params[0]->Start,
1019                         ChrPtr(pTmpl->FileName),
1020                         Tokens->Line,
1021                         Cond->nParams,
1022                         ChrPtr(Tokens->FlatToken));
1023                 return 0;
1024         }
1025         if (Cond->CondF(Tokens, Context, ContextType) == Neg)
1026                 return Tokens->Params[1]->lvalue;
1027         return 0;
1028 }
1029
1030 /**
1031  * \brief executes one token
1032  * \param Target buffer to append to
1033  * \param Token da to  process.
1034  * \param Template we're iterating
1035  * \param Context Contextpoointer to pass in
1036  * \param state are we in conditional state?
1037  * \param ContextType what type of information does context giv us?
1038  */
1039 int EvaluateToken(StrBuf *Target, WCTemplateToken *Tokens, WCTemplate *pTmpl, void *Context, int state, int ContextType)
1040 {
1041         HashHandler *Handler;
1042         void *vVar;
1043 // much output, since pName is not terminated...
1044 //      lprintf(1,"Doing token: %s\n",Token->pName);
1045
1046         switch (Tokens->Flags) {
1047         case SV_GETTEXT:
1048                 TmplGettext(Target, Tokens->nParameters, Tokens);
1049                 break;
1050         case SV_CONDITIONAL: /** Forward conditional evaluation */
1051                 return EvaluateConditional(Target, Tokens, pTmpl, Context, 1, state, ContextType);
1052                 break;
1053         case SV_NEG_CONDITIONAL: /** Reverse conditional evaluation */
1054                 return EvaluateConditional(Target, Tokens, pTmpl, Context, 0, state, ContextType);
1055                 break;
1056         case SV_CUST_STR_CONDITIONAL: /** Conditional put custom strings from params */
1057                 if (Tokens->nParameters >= 6) {
1058                         if (EvaluateConditional(Target, Tokens, pTmpl, Context, 0, state, ContextType))
1059                                 StrBufAppendBufPlain(Target,
1060                                                      Tokens->Params[5]->Start,
1061                                                      Tokens->Params[5]->len,
1062                                                      0);
1063                         else
1064                                 StrBufAppendBufPlain(Target,
1065                                                      Tokens->Params[4]->Start,
1066                                                      Tokens->Params[4]->len,
1067                                                      0);
1068                 }
1069                 else  {
1070                         lprintf(1, "Conditional [%s] (in '%s' line %ld); needs at least 6 Params![%s]\n",
1071                                 Tokens->Params[0]->Start,
1072                                 ChrPtr(pTmpl->FileName),
1073                                 Tokens->Line,
1074                                 ChrPtr(Tokens->FlatToken));
1075                         StrBufAppendPrintf(
1076                                 Target,
1077                                 "<pre>\nConditional [%s] (in '%s' line %ld); needs 6 Params!\n[%s]\n</pre>\n",
1078                                 Tokens->Params[0]->Start,
1079                                 ChrPtr(pTmpl->FileName),
1080                                 Tokens->Line,
1081                                 ChrPtr(Tokens->FlatToken));
1082                 }
1083                 break;
1084         case SV_SUBTEMPL:
1085                 if (Tokens->nParameters == 1)
1086                         DoTemplate(Tokens->Params[0]->Start, Tokens->Params[0]->len, NULL, NULL, ContextType);
1087                 break;
1088         case SV_PREEVALUATED:
1089                 Handler = (HashHandler*) Tokens->PreEval;
1090                 if ((Handler->ContextRequired != CTX_NONE) &&
1091                     (Handler->ContextRequired != ContextType)) {
1092                         lprintf(1, "Handler [%s] (in '%s' line %ld); "
1093                                 "requires context of type %ld, have %ld [%s]\n",
1094                                 Tokens->pName,
1095                                 ChrPtr(pTmpl->FileName),
1096                                 Tokens->Line,
1097                                 Handler->ContextRequired,
1098                                 ContextType,
1099                                 ChrPtr(Tokens->FlatToken));
1100                         StrBufAppendPrintf(
1101                                 Target,
1102                                 "<pre>\nHandler [%s] (in '%s' line %ld);"
1103                                 " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
1104                                 Tokens->pName,
1105                                 ChrPtr(pTmpl->FileName),
1106                                 Tokens->Line,
1107                                 Handler->ContextRequired,
1108                                 ContextType,
1109                                 ChrPtr(Tokens->FlatToken));
1110                         return -1;
1111
1112                 }
1113                 Handler->HandlerFunc(Target,
1114                                      Tokens->nParameters,
1115                                      Tokens,
1116                                      Context,
1117                                      ContextType);
1118                 break;
1119         default:
1120                 if (GetHash(GlobalNS, Tokens->pName, Tokens->NameEnd, &vVar)) {
1121                         Handler = (HashHandler*) vVar;
1122                         if ((Handler->ContextRequired != CTX_NONE) &&
1123                             (Handler->ContextRequired != ContextType)) {
1124                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
1125                                         "requires context of type %ld, have %ld [%s]\n",
1126                                         Tokens->pName,
1127                                         ChrPtr(pTmpl->FileName),
1128                                         Tokens->Line,
1129                                         Handler->ContextRequired,
1130                                         ContextType,
1131                                         ChrPtr(Tokens->FlatToken));
1132                                 StrBufAppendPrintf(
1133                                         Target,
1134                                         "<pre>\nHandler [%s] (in '%s' line %ld);"
1135                                         " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
1136                                         Tokens->pName,
1137                                         ChrPtr(pTmpl->FileName),
1138                                         Tokens->Line,
1139                                         Handler->ContextRequired,
1140                                         ContextType,
1141                                         ChrPtr(Tokens->FlatToken));
1142                                 return -1;
1143                         }
1144                         else if ((Tokens->nParameters < Handler->nMinArgs) ||
1145                                  (Tokens->nParameters > Handler->nMaxArgs)) {
1146                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
1147                                         "doesn't work with %ld params [%s]\n",
1148                                         Tokens->pName,
1149                                         ChrPtr(pTmpl->FileName),
1150                                         Tokens->Line,
1151                                         Tokens->nParameters,
1152                                         ChrPtr(Tokens->FlatToken));
1153                                 StrBufAppendPrintf(
1154                                         Target,
1155                                         "<pre>\nHandler [%s] (in '%s' line %ld);"
1156                                         " doesn't work with %ld params!\n[%s]\n</pre>\n",
1157                                         Tokens->pName,
1158                                         ChrPtr(pTmpl->FileName),
1159                                         Tokens->Line,
1160                                         Tokens->nParameters,
1161                                         ChrPtr(Tokens->FlatToken));
1162                         }
1163                         else {
1164                                 Handler->HandlerFunc(Target,
1165                                                      Tokens->nParameters,
1166                                                      Tokens,
1167                                                      Context,
1168                                                      ContextType); /*TODO: subset of that */
1169
1170                         }
1171                 }
1172                 else {
1173                         print_value_of(Target, Tokens, Context, ContextType);
1174                 }
1175         }
1176         return 0;
1177 }
1178
1179 void ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, void *Context, int ContextType)
1180 {
1181         WCTemplate *pTmpl = Tmpl;
1182         int done = 0;
1183         int i, state;
1184         const char *pData, *pS;
1185         long len;
1186
1187         if (LoadTemplates != 0) {
1188                 if (LoadTemplates > 1)
1189                         lprintf(1, "DBG: ----- loading:  [%s] ------ \n",
1190                                 ChrPtr(Tmpl->FileName));
1191
1192                 pTmpl = load_template(Tmpl->FileName, NULL, NULL);
1193                 if(pTmpl == NULL) {
1194                         StrBufAppendPrintf(
1195                                 Target,
1196                                 "<pre>\nError loading Template [%s]\n See Logfile for details\n</pre>\n",
1197                                 ChrPtr(Tmpl->FileName));
1198                         return;
1199                 }
1200
1201         }
1202
1203         pS = pData = ChrPtr(pTmpl->Data);
1204         len = StrLength(pTmpl->Data);
1205         i = 0;
1206         state = 0;
1207         while (!done) {
1208                 if (i >= pTmpl->nTokensUsed) {
1209                         StrBufAppendBufPlain(Target,
1210                                              pData,
1211                                              len - (pData - pS), 0);
1212                         done = 1;
1213                 }
1214                 else {
1215                         StrBufAppendBufPlain(
1216                                 Target, pData,
1217                                 pTmpl->Tokens[i]->pTokenStart - pData, 0);
1218                         state = EvaluateToken(Target, pTmpl->Tokens[i], pTmpl, Context, state, ContextType);
1219                         while ((state != 0) && (i+1 < pTmpl->nTokensUsed)) {
1220                         /* condition told us to skip till its end condition */
1221                                 i++;
1222                                 if ((pTmpl->Tokens[i]->Flags == SV_CONDITIONAL) ||
1223                                     (pTmpl->Tokens[i]->Flags == SV_NEG_CONDITIONAL)) {
1224                                         if (state == EvaluateConditional(
1225                                                     Target,
1226                                                     pTmpl->Tokens[i],
1227                                                     pTmpl,
1228                                                     Context,
1229                                                     pTmpl->Tokens[i]->Flags,
1230                                                     state,
1231                                                     ContextType))
1232                                                 state = 0;
1233                                 }
1234                         }
1235                         pData = pTmpl->Tokens[i++]->pTokenEnd + 1;
1236                         if (i > pTmpl->nTokensUsed)
1237                                 done = 1;
1238                 }
1239         }
1240         if (LoadTemplates != 0) {
1241                 FreeWCTemplate(pTmpl);
1242         }
1243 }
1244
1245
1246 /**
1247  * \brief Display a variable-substituted template
1248  * \param templatename template file to load
1249  */
1250 void *prepare_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
1251 {
1252         WCTemplate *NewTemplate;
1253         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
1254         NewTemplate->Data = NULL;
1255         NewTemplate->FileName = NewStrBufDup(filename);
1256         NewTemplate->nTokensUsed = 0;
1257         NewTemplate->TokenSpace = 0;
1258         NewTemplate->Tokens = NULL;
1259
1260         Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1261         return NewTemplate;
1262 }
1263
1264 /**
1265  * \brief Display a variable-substituted template
1266  * \param templatename template file to load
1267  */
1268 void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
1269 {
1270         int fd;
1271         struct stat statbuf;
1272         const char *pS, *pE, *pch, *Err;
1273         long Line;
1274         int pos;
1275         WCTemplate *NewTemplate;
1276
1277         fd = open(ChrPtr(filename), O_RDONLY);
1278         if (fd <= 0) {
1279                 lprintf(1, "ERROR: could not open template '%s' - %s\n",
1280                         ChrPtr(filename), strerror(errno));
1281                 return NULL;
1282         }
1283
1284         if (fstat(fd, &statbuf) == -1) {
1285                 lprintf(1, "ERROR: could not stat template '%s' - %s\n",
1286                         ChrPtr(filename), strerror(errno));
1287                 return NULL;
1288         }
1289
1290         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
1291         NewTemplate->Data = NewStrBufPlain(NULL, statbuf.st_size);
1292         NewTemplate->FileName = NewStrBufDup(filename);
1293         NewTemplate->nTokensUsed = 0;
1294         NewTemplate->TokenSpace = 0;
1295         NewTemplate->Tokens = NULL;
1296         if (StrBufReadBLOB(NewTemplate->Data, &fd, 1, statbuf.st_size, &Err) < 0) {
1297                 close(fd);
1298                 FreeWCTemplate(NewTemplate);
1299                 lprintf(1, "ERROR: reading template '%s' - %s<br />\n",
1300                         ChrPtr(filename), strerror(errno));
1301                 return NULL;
1302         }
1303         close(fd);
1304
1305         Line = 0;
1306         pS = pch = ChrPtr(NewTemplate->Data);
1307         pE = pS + StrLength(NewTemplate->Data);
1308         while (pch < pE) {
1309                 const char *pts, *pte;
1310                 int InQuotes = 0;
1311                 int InDoubleQuotes = 0;
1312
1313                 /** Find one <? > */
1314                 pos = (-1);
1315                 for (; pch < pE; pch ++) {
1316                         if ((*pch=='<')&&(*(pch + 1)=='?'))
1317                                 break;
1318                         if (*pch=='\n') Line ++;
1319                 }
1320                 if (pch >= pE)
1321                         continue;
1322                 pts = pch;
1323
1324                 /** Found one? parse it. */
1325                 for (; pch < pE - 1; pch ++) {
1326                         if (*pch == '"')
1327                                 InDoubleQuotes = ! InDoubleQuotes;
1328                         else if (*pch == '\'')
1329                                 InQuotes = ! InQuotes;
1330                         else if ((!InQuotes  && !InDoubleQuotes) &&
1331                                  ((*pch!='\\')&&(*(pch + 1)=='>'))) {
1332                                 pch ++;
1333                                 break;
1334                         }
1335                 }
1336                 if (pch + 1 >= pE)
1337                         continue;
1338                 pte = pch;
1339                 PutNewToken(NewTemplate,
1340                             NewTemplateSubstitute(NewTemplate->Data, pS, pts, pte, Line, NewTemplate));
1341                 pch ++;
1342         }
1343         if (LoadTemplates == 0)
1344                 Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1345         return NewTemplate;
1346 }
1347
1348
1349 ///void PrintTemplate(const char *Key, void *vSubst, int odd)
1350 const char* PrintTemplate(void *vSubst)
1351 {
1352         WCTemplate *Tmpl = vSubst;
1353
1354         return ChrPtr(Tmpl->FileName);
1355
1356 }
1357
1358
1359 /**
1360  * \brief Display a variable-substituted template
1361  * \param templatename template file to load
1362  */
1363 void DoTemplate(const char *templatename, long len, StrBuf *Target, void *Context, int ContextType)
1364 {
1365         HashList *Static;
1366         HashList *StaticLocal;
1367         void *vTmpl;
1368
1369         if (Target == NULL)
1370                 Target = WC->WBuf;
1371         if (WC->is_mobile) {
1372                 Static = WirelessTemplateCache;
1373                 StaticLocal = WirelessLocalTemplateCache;
1374         }
1375         else {
1376                 Static = TemplateCache;
1377                 StaticLocal = LocalTemplateCache;
1378         }
1379
1380         if (len == 0)
1381         {
1382                 lprintf (1, "Can't to load a template with empty name!\n");
1383                 StrBufAppendPrintf(Target, "<pre>\nCan't to load a template with empty name!\n</pre>");
1384                 return;
1385         }
1386
1387         if (!GetHash(StaticLocal, templatename, len, &vTmpl) &&
1388             !GetHash(Static, templatename, len, &vTmpl)) {
1389                 lprintf (1, "didn't find Template [%s] %ld %ld\n", templatename, len , (long)strlen(templatename));
1390                 StrBufAppendPrintf(Target, "<pre>\ndidn't find Template [%s] %ld %ld\n</pre>",
1391                                    templatename, len,
1392                                    (long)strlen(templatename));
1393 ///             dbg_PrintHash(Static, PrintTemplate, NULL);
1394 //              PrintHash(Static, VarPrintTransition, PrintTemplate);
1395                 return;
1396         }
1397         if (vTmpl == NULL)
1398                 return;
1399         ProcessTemplate(vTmpl, Target, Context, ContextType);
1400 }
1401
1402 int LoadTemplateDir(const char *DirName, HashList *wireless, HashList *big)
1403 {
1404         StrBuf *FileName;
1405         StrBuf *Tag;
1406         StrBuf *Dir;
1407         DIR *filedir = NULL;
1408         struct dirent *filedir_entry;
1409         int d_namelen;
1410         int d_without_ext;
1411         int IsMobile;
1412
1413         Dir = NewStrBuf();
1414         StrBufPrintf(Dir, "%s/t", DirName);
1415         filedir = opendir (ChrPtr(Dir));
1416         if (filedir == NULL) {
1417                 FreeStrBuf(&Dir);
1418                 return 0;
1419         }
1420
1421         FileName = NewStrBuf();
1422         Tag = NewStrBuf();
1423         while ((filedir_entry = readdir(filedir)))
1424         {
1425                 char *MinorPtr;
1426                 char *PStart;
1427 #ifdef _DIRENT_HAVE_D_NAMELEN
1428                 d_namelen = filedir_entry->d_namelen;
1429 #else
1430                 d_namelen = strlen(filedir_entry->d_name);
1431 #endif
1432                 d_without_ext = d_namelen;
1433                 while ((d_without_ext > 0) && (filedir_entry->d_name[d_without_ext] != '.'))
1434                         d_without_ext --;
1435                 if ((d_without_ext == 0) || (d_namelen < 3))
1436                         continue;
1437                 if ((d_namelen > 1) && filedir_entry->d_name[d_namelen - 1] == '~')
1438                         continue; /* Ignore backup files... */
1439
1440                 IsMobile = (strstr(filedir_entry->d_name, ".m.html")!= NULL);
1441                 PStart = filedir_entry->d_name;
1442                 StrBufPrintf(FileName, "%s/%s", ChrPtr(Dir),  filedir_entry->d_name);
1443                 MinorPtr = strchr(filedir_entry->d_name, '.');
1444                 if (MinorPtr != NULL)
1445                         *MinorPtr = '\0';
1446                 StrBufPlain(Tag, filedir_entry->d_name, MinorPtr - filedir_entry->d_name);
1447
1448                 if (LoadTemplates > 1)
1449                         lprintf(1, "%s %d %s\n",ChrPtr(FileName), IsMobile, ChrPtr(Tag));
1450                 if (LoadTemplates == 0)
1451                         load_template(FileName, Tag, (IsMobile)?wireless:big);
1452                 else
1453                         prepare_template(FileName, Tag, (IsMobile)?wireless:big);
1454         }
1455         closedir(filedir);
1456         FreeStrBuf(&FileName);
1457         FreeStrBuf(&Tag);
1458         FreeStrBuf(&Dir);
1459         return 1;
1460 }
1461
1462 void InitTemplateCache(void)
1463 {
1464         LoadTemplateDir(static_dirs[0],
1465                         WirelessTemplateCache,
1466                         TemplateCache);
1467         LoadTemplateDir(static_dirs[1],
1468                         WirelessLocalTemplateCache,
1469                         LocalTemplateCache);
1470 }
1471
1472
1473
1474 typedef struct _HashIterator {
1475         HashList *StaticList;
1476         int AdditionalParams;
1477         int ContextType;
1478         int XPectContextType;
1479         RetrieveHashlistFunc GetHash;
1480         HashDestructorFunc Destructor;
1481         SubTemplFunc DoSubTemplate;
1482 } HashIterator;
1483
1484 void tmpl_iterate_subtmpl(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1485 {
1486         void *vIt;
1487         HashIterator *It;
1488         HashList *List;
1489         HashPos  *it;
1490         long len;
1491         const char *Key;
1492         void *vContext;
1493         StrBuf *SubBuf;
1494         int oddeven = 0;
1495
1496         if (!GetHash(Iterators,
1497                      Tokens->Params[0]->Start,
1498                      Tokens->Params[0]->len,
1499                      &vIt)) {
1500                 lprintf(1, "unknown Iterator [%s] (in '%s' line %ld); "
1501                         " [%s]\n",
1502                         Tokens->Params[0]->Start,
1503                         ChrPtr(Tokens->FileName),
1504                         Tokens->Line,
1505                         ChrPtr(Tokens->FlatToken));
1506                 StrBufAppendPrintf(
1507                         Target,
1508                         "<pre>\nunknown Iterator [%s] (in '%s' line %ld); \n"
1509                         " [%s]\n</pre>",
1510                         Tokens->Params[0]->Start,
1511                         ChrPtr(Tokens->FileName),
1512                         Tokens->Line,
1513                         ChrPtr(Tokens->FlatToken));
1514                 return;
1515         }
1516
1517         It = (HashIterator*) vIt;
1518
1519         if (Tokens->nParameters < It->AdditionalParams + 2) {
1520                 lprintf(1, "Iterator [%s] (in '%s' line %ld); "
1521                         "doesn't work with %ld params [%s]\n",
1522                         Tokens->Params[0]->Start,
1523                         ChrPtr(Tokens->FileName),
1524                         Tokens->Line,
1525                         Tokens->nParameters,
1526                         ChrPtr(Tokens->FlatToken));
1527                 StrBufAppendPrintf(
1528                         Target,
1529                         "<pre>Iterator [%s] \n(in '%s' line %ld);\n"
1530                         "doesn't work with %ld params \n[%s]\n</pre>",
1531                         Tokens->Params[0]->Start,
1532                         ChrPtr(Tokens->FileName),
1533                         Tokens->Line,
1534                         Tokens->nParameters,
1535                         ChrPtr(Tokens->FlatToken));
1536                 return;
1537         }
1538
1539         if ((It->XPectContextType != CTX_NONE) &&
1540             (It->XPectContextType != ContextType)) {
1541                 lprintf(1, "Iterator [%s] (in '%s' line %ld); "
1542                         "requires context of type %ld, have %ld [%s]\n",
1543                         Tokens->pName,
1544                         ChrPtr(Tokens->FileName),
1545                         Tokens->Line,
1546                         It->XPectContextType,
1547                         ContextType,
1548                         ChrPtr(Tokens->FlatToken));
1549                 StrBufAppendPrintf(
1550                         Target,
1551                         "<pre>\nIterator [%s] (in '%s' line %ld);"
1552                         " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
1553                         Tokens->pName,
1554                         ChrPtr(Tokens->FileName),
1555                         Tokens->Line,
1556                         It->XPectContextType,
1557                         ContextType,
1558                         ChrPtr(Tokens->FlatToken));
1559                 return ;
1560
1561         }
1562
1563
1564
1565
1566         if (It->StaticList == NULL)
1567                 List = It->GetHash(Target, nArgs, Tokens, Context, ContextType);
1568         else
1569                 List = It->StaticList;
1570
1571         SubBuf = NewStrBuf();
1572         it = GetNewHashPos();
1573         while (GetNextHashPos(List, it, &len, &Key, &vContext)) {
1574                 svprintf(HKEY("ITERATE:ODDEVEN"), WCS_STRING, "%s",
1575                          (oddeven) ? "odd" : "even");
1576                 svprintf(HKEY("ITERATE:KEY"), WCS_STRING, "%s", Key);
1577
1578                 if (It->DoSubTemplate != NULL)
1579                         It->DoSubTemplate(SubBuf, vContext, Tokens);
1580                 DoTemplate(Tokens->Params[1]->Start,
1581                            Tokens->Params[1]->len,
1582                            SubBuf, vContext,
1583                            It->ContextType);
1584
1585                 StrBufAppendBuf(Target, SubBuf, 0);
1586                 FlushStrBuf(SubBuf);
1587                 oddeven = ~ oddeven;
1588         }
1589         FreeStrBuf(&SubBuf);
1590         DeleteHashPos(&it);
1591         if (It->Destructor != NULL)
1592                 It->Destructor(&List);
1593 }
1594
1595 int ConditionalVar(WCTemplateToken *Tokens, void *Context, int ContextType)
1596 {
1597         void *vsubst;
1598         wcsubst *subst;
1599
1600         if (!GetHash(WC->vars,
1601                      Tokens->Params[2]->Start,
1602                      Tokens->Params[2]->len,
1603                      &vsubst))
1604                 return 0;
1605         subst = (wcsubst*) vsubst;
1606         if ((subst->ContextRequired != CTX_NONE) &&
1607             (subst->ContextRequired != ContextType)) {
1608                 lprintf(1,"  WARNING: Conditional requires Context: [%ld]!\n", Tokens->Params[2]->Start);
1609                 return -1;
1610         }
1611
1612         switch(subst->wcs_type) {
1613         case WCS_FUNCTION:
1614                 return (subst->wcs_function!=NULL);
1615         case WCS_SERVCMD:
1616                 lprintf(1, "  -> Server [%s]\n", subst->wcs_value);////todo
1617                 return 1;
1618         case WCS_STRING:
1619         case WCS_STRBUF:
1620         case WCS_STRBUF_REF:
1621                 if (Tokens->nParameters < 4)
1622                         return 1;
1623                 return (strcmp(Tokens->Params[3]->Start, ChrPtr(subst->wcs_value)) == 0);
1624         case WCS_LONG:
1625                 if (Tokens->nParameters < 4)
1626                         return (subst->lvalue != 0);
1627                 return (subst->lvalue == Tokens->Params[3]->lvalue);
1628         default:
1629                 lprintf(1,"  WARNING: invalid type: [%ld]!\n", subst->wcs_type);
1630                 return -1;
1631         }
1632         return 0;
1633 }
1634
1635 void RegisterITERATOR(const char *Name, long len,
1636                       int AdditionalParams,
1637                       HashList *StaticList,
1638                       RetrieveHashlistFunc GetHash,
1639                       SubTemplFunc DoSubTempl,
1640                       HashDestructorFunc Destructor,
1641                       int ContextType,
1642                       int XPectContextType)
1643 {
1644         HashIterator *It = (HashIterator*)malloc(sizeof(HashIterator));
1645         It->StaticList = StaticList;
1646         It->AdditionalParams = AdditionalParams;
1647         It->GetHash = GetHash;
1648         It->DoSubTemplate = DoSubTempl;
1649         It->Destructor = Destructor;
1650         It->ContextType = ContextType;
1651         It->XPectContextType = XPectContextType;
1652         Put(Iterators, Name, len, It, NULL);
1653 }
1654
1655 void RegisterConditional(const char *Name, long len,
1656                          int nParams,
1657                          WCConditionalFunc CondF,
1658                          int ContextRequired)
1659 {
1660         ConditionalStruct *Cond = (ConditionalStruct*)malloc(sizeof(ConditionalStruct));
1661         Cond->PlainName = Name;
1662         Cond->nParams = nParams;
1663         Cond->CondF = CondF;
1664         Cond->ContextRequired = ContextRequired;
1665         Put(Conditionals, Name, len, Cond, NULL);
1666 }
1667
1668
1669 void tmplput_ContextString(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1670 {
1671         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, (StrBuf*)Context, 0);
1672 }
1673 int ConditionalContextStr(WCTemplateToken *Tokens, void *Context, int ContextType)
1674 {
1675         StrBuf *TokenText = (StrBuf*) Context;
1676         const char *CompareToken;
1677         long len;
1678
1679         GetTemplateTokenString(Tokens, 2, &CompareToken, &len);
1680         return strcmp(ChrPtr(TokenText), CompareToken) == 0;
1681 }
1682
1683
1684 void tmpl_do_boxed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1685 {
1686         StrBuf *Headline;
1687         if (nArgs == 2) {
1688                 if (Tokens->Params[1]->Type == TYPE_STR) {
1689                         Headline = NewStrBuf();
1690                         DoTemplate(Tokens->Params[1]->Start,
1691                                    Tokens->Params[1]->len,
1692                                    Headline,
1693                                    Context,
1694                                    ContextType);
1695                 }
1696                 else {
1697                         const char *Ch;
1698                         long len;
1699                         GetTemplateTokenString(Tokens,
1700                                                1,
1701                                                &Ch,
1702                                                &len);
1703                         Headline = NewStrBufPlain(Ch, len);
1704                 }
1705         }
1706
1707         DoTemplate(HKEY("beginbox"), Target, Headline, CTX_STRBUF);
1708         DoTemplate(Tokens->Params[0]->Start,
1709                    Tokens->Params[0]->len,
1710                    Target,
1711                    Context,
1712                    ContextType);
1713         DoTemplate(HKEY("endbox"), Target, Context, ContextType);
1714 }
1715
1716
1717 void tmpl_do_tabbed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1718 {
1719         StrBuf **TabNames;
1720         int i, ntabs, nTabs;
1721
1722         nTabs = ntabs = Tokens->nParameters / 2;
1723         TabNames = (StrBuf **) malloc(ntabs * sizeof(StrBuf*));
1724
1725         for (i = 0; i < ntabs; i++) {
1726                 TabNames[i] = NewStrBuf();
1727                 if (Tokens->Params[i * 2]->len > 0) {
1728                         DoTemplate(Tokens->Params[i * 2]->Start,
1729                                    Tokens->Params[i * 2]->len,
1730                                    TabNames[i],
1731                                    Context,
1732                                    ContextType);
1733                 }
1734                 else {
1735                         /** A Tab without subject? we can't count that, add it as silent */
1736                         nTabs --;
1737                 }
1738         }
1739
1740         StrTabbedDialog(Target, nTabs, TabNames);
1741         for (i = 0; i < ntabs; i++) {
1742                 StrBeginTab(Target, i, nTabs);
1743
1744                 DoTemplate(Tokens->Params[i * 2 + 1]->Start,
1745                            Tokens->Params[i * 2 + 1]->len,
1746                            Target,
1747                            Context,
1748                            ContextType);
1749                 StrEndTab(Target, i, nTabs);
1750         }
1751 }
1752
1753 void
1754 InitModule_SUBST
1755 (void)
1756 {
1757         RegisterNamespace("CONTEXTSTR", 0, 1, tmplput_ContextString, CTX_STRBUF);
1758         RegisterNamespace("ITERATE", 2, 100, tmpl_iterate_subtmpl, CTX_NONE);
1759         RegisterNamespace("DOBOXED", 1, 2, tmpl_do_boxed, CTX_NONE);
1760         RegisterNamespace("DOTABBED", 2, 100, tmpl_do_tabbed, CTX_NONE);
1761         RegisterConditional(HKEY("COND:SUBST"), 3, ConditionalVar, CTX_NONE);
1762         RegisterConditional(HKEY("COND:CONTEXTSTR"), 3, ConditionalContextStr, CTX_STRBUF);
1763 }
1764
1765 /*@}*/