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 HashList *SortHash;
  34
  35 int LoadTemplates = 0;
  36 WCTemplputParams NoCtx;
  37
  38 #define SV_GETTEXT 1
  39 #define SV_CONDITIONAL 2
  40 #define SV_NEG_CONDITIONAL 3
  41 #define SV_CUST_STR_CONDITIONAL 4
  42 #define SV_SUBTEMPL 5
  43 #define SV_PREEVALUATED 6
  44
  45 typedef struct _WCTemplate {
  46         StrBuf *Data;
  47         StrBuf *FileName;
  48         int nTokensUsed;
  49         int TokenSpace;
  50         WCTemplateToken **Tokens;
  51 } WCTemplate;
  52
  53 typedef struct _HashHandler {
  54         int nMinArgs;
  55         int nMaxArgs;
  56         int ContextRequired;
  57         WCHandlerFunc HandlerFunc;
  58 }HashHandler;
  59
  60 void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere);
  61 int EvaluateConditional(StrBuf *Target, int Neg, int state, WCTemplputParams *TP);
  62
  63 typedef struct _SortStruct {
  64         StrBuf *Name;
  65         StrBuf *PrefPrepend;
  66         CompareFunc Forward;
  67         CompareFunc Reverse;
  68         CompareFunc GroupChange;
  69
  70         long ContextType;
  71 }SortStruct;
  72
  73 void DestroySortStruct(void *vSort)
  74 {
  75         SortStruct *Sort = (SortStruct*) vSort;
  76         FreeStrBuf(&Sort->Name);
  77         FreeStrBuf(&Sort->PrefPrepend);
  78         free (Sort);
  79 }
  80
  81 void LogTemplateError (StrBuf *Target, const char *Type, int ErrorPos, WCTemplputParams *TP, const char *Format, ...)
  82 {
  83         StrBuf *Error;
  84         StrBuf *Info;
  85         va_list arg_ptr;
  86         const char *Err = NULL;
  87
  88         Info = NewStrBuf();
  89         Error = NewStrBuf();
  90
  91         va_start(arg_ptr, Format);
  92         StrBufVAppendPrintf(Error, Format, arg_ptr);
  93         va_end(arg_ptr);
  94
  95         switch (ErrorPos) {
  96         default:
  97         case ERR_NAME: /* the main token name... */
  98                 Err = TP->Tokens->pName;
  99                 break;
 100         case ERR_PARM1:
 101                 Err = TP->Tokens->Params[0]->Start;
 102                 break;
 103         case ERR_PARM2:
 104                 Err = TP->Tokens->Params[1]->Start;
 105                 break;
 106         }
 107         lprintf(1, "%s [%s]  (in '%s' line %ld); %s; [%s]\n",
 108                 Type,
 109                 Err,
 110                 ChrPtr(TP->Tokens->FileName),
 111                 TP->Tokens->Line,
 112                 ChrPtr(Error),
 113                 ChrPtr(TP->Tokens->FlatToken));
 114         if (Target != NULL) {
 115                 StrBufAppendPrintf(
 116                         Target,
 117                         "<pre>\n%s [%s] (in '%s' line %ld); %s\n[%s]\n</pre>\n",
 118                         Type,
 119                         Err,
 120                         ChrPtr(TP->Tokens->FileName),
 121                         TP->Tokens->Line,
 122                         ChrPtr(Error),
 123                         ChrPtr(TP->Tokens->FlatToken));
 124         }
 125 }
 126
 127
 128 void RegisterNS(const char *NSName,
 129                 long len,
 130                 int nMinArgs,
 131                 int nMaxArgs,
 132                 WCHandlerFunc HandlerFunc,
 133                 int ContextRequired)
 134 {
 135         HashHandler *NewHandler;
 136
 137         NewHandler = (HashHandler*) malloc(sizeof(HashHandler));
 138         NewHandler->nMinArgs = nMinArgs;
 139         NewHandler->nMaxArgs = nMaxArgs;
 140         NewHandler->HandlerFunc = HandlerFunc;
 141         NewHandler->ContextRequired = ContextRequired;
 142         Put(GlobalNS, NSName, len, NewHandler, NULL);
 143 }
 144
 145 void FreeToken(WCTemplateToken **Token)
 146 {
 147         int i;
 148         FreeStrBuf(&(*Token)->FlatToken);
 149         if ((*Token)->HaveParameters)
 150                 for (i = 0; i < (*Token)->nParameters; i++)
 151                         free((*Token)->Params[i]);
 152         free(*Token);
 153         *Token = NULL;
 154 }
 155
 156
 157
 158 void FreeWCTemplate(void *vFreeMe)
 159 {
 160         int i;
 161         WCTemplate *FreeMe = (WCTemplate*)vFreeMe;
 162
 163         if (FreeMe->TokenSpace > 0) {
 164                 for (i = 0; i < FreeMe->nTokensUsed; i ++) {
 165                         FreeToken(&FreeMe->Tokens[i]);
 166                 }
 167                 free(FreeMe->Tokens);
 168         }
 169         FreeStrBuf(&FreeMe->FileName);
 170         FreeStrBuf(&FreeMe->Data);
 171         free(FreeMe);
 172 }
 173
 174
 175 /**
 176  * \brief debugging function to print array to log
 177  */
 178 void VarPrintTransition(void *vVar1, void *vVar2, int odd){}
 179 /**
 180  * \brief debugging function to print array to log
 181  */
 182 void VarPrintEntry(const char *Key, void *vSubst, int odd)
 183 {
 184         wcsubst *ptr;
 185         lprintf(1,"Subst[%s] : ", Key);
 186         ptr = (wcsubst*) vSubst;
 187
 188         switch(ptr->wcs_type) {
 189         case WCS_STRING:
 190                 lprintf(1, "  -> %s\n", ChrPtr(ptr->wcs_value));
 191                 break;
 192         case WCS_SERVCMD:
 193                 lprintf(1, "  -> Server [%s]\n", ChrPtr(ptr->wcs_value));
 194                 break;
 195         case WCS_FUNCTION:
 196                 lprintf(1, "  -> function at [%0xd]\n", ptr->wcs_function);
 197                 break;
 198         default:
 199                 lprintf(1,"  WARNING: invalid type: [%ld]!\n", ptr->wcs_type);
 200         }
 201 }
 202
 203
 204
 205 /**
 206  * \brief Clear out the list of substitution variables local to this session
 207  */
 208 void clear_substs(wcsession *wc) {
 209
 210         if (wc->vars != NULL) {
 211                 DeleteHash(&wc->vars);
 212         }
 213 }
 214
 215 /**
 216  * \brief Clear out the list of substitution variables local to this session
 217  */
 218 void clear_local_substs(void) {
 219         clear_substs (WC);
 220 }
 221
 222 int NeedNewBuf(type)
 223 {
 224         switch(type) {
 225         case WCS_STRING:
 226         case WCS_SERVCMD:
 227         case WCS_STRBUF:
 228                 return 1;
 229         case WCS_FUNCTION:
 230         case WCS_STRBUF_REF:
 231         case WCS_LONG:
 232         default:
 233                 return 0;
 234         }
 235 }
 236
 237 void FlushPayload(wcsubst *ptr, int reusestrbuf, int type)
 238 {
 239         int NeedNew = NeedNewBuf(type);
 240         switch(ptr->wcs_type) {
 241         case WCS_STRING:
 242         case WCS_SERVCMD:
 243         case WCS_STRBUF:
 244                 if (reusestrbuf && NeedNew) {
 245                         FlushStrBuf(ptr->wcs_value);
 246                 }
 247                 else {
 248
 249                         FreeStrBuf(&ptr->wcs_value);
 250                         ptr->wcs_value = NULL;
 251                 }
 252                 break;
 253         case WCS_FUNCTION:
 254                 ptr->wcs_function = NULL;
 255                 if (reusestrbuf && NeedNew)
 256                         ptr->wcs_value = NewStrBuf();
 257                 break;
 258         case WCS_STRBUF_REF:
 259                 ptr->wcs_value = NULL;
 260                 if (reusestrbuf && NeedNew)
 261                         ptr->wcs_value = NewStrBuf();
 262                 break;
 263         case WCS_LONG:
 264                 ptr->lvalue = 0;
 265                 if (reusestrbuf && NeedNew)
 266                         ptr->wcs_value = NewStrBuf();
 267                 break;
 268         default:
 269                 if (reusestrbuf && NeedNew)
 270                         ptr->wcs_value = NewStrBuf();
 271                 break;
 272         }
 273 }
 274
 275
 276 /**
 277  * \brief destructor; kill one entry.
 278  */
 279 void deletevar(void *data)
 280 {
 281         wcsubst *ptr = (wcsubst*)data;
 282         FlushPayload(ptr, 0, ptr->wcs_type);
 283         free(ptr);
 284 }
 285
 286
 287 wcsubst *NewSubstVar(const char *keyname, int keylen, int type)
 288 {
 289         wcsubst* ptr;
 290         wcsession *WCC = WC;
 291
 292         ptr = (wcsubst *) malloc(sizeof(wcsubst));
 293         memset(ptr, 0, sizeof(wcsubst));
 294
 295         ptr->wcs_type = type;
 296         safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
 297         Put(WCC->vars, keyname, keylen, ptr,  deletevar);
 298
 299         switch(ptr->wcs_type) {
 300         case WCS_STRING:
 301         case WCS_SERVCMD:
 302                 ptr->wcs_value = NewStrBuf();
 303                 break;
 304         case WCS_STRBUF:
 305         case WCS_FUNCTION:
 306         case WCS_STRBUF_REF:
 307         case WCS_LONG:
 308         default:
 309                 break;
 310         }
 311         return ptr;
 312 }
 313
 314
 315 /**
 316  * \brief Add a substitution variable (local to this session) (strlen version...)
 317  * \param keyname the replacementstring to substitute
 318  * \param keytype the kind of the key
 319  * \param format the format string ala printf
 320  * \param ... the arguments to substitute in the formatstring
 321  */
 322 void SVPRINTF(char *keyname, int keytype, const char *format,...)
 323 {
 324         va_list arg_ptr;
 325         void *vPtr;
 326         wcsubst *ptr = NULL;
 327         size_t keylen;
 328         wcsession *WCC = WC;
 329
 330         keylen = strlen(keyname);
 331         /**
 332          * First look if we're doing a replacement of
 333          * an existing key
 334          */
 335         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 336         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 337                 ptr = (wcsubst*)vPtr;
 338                 FlushPayload(ptr, keytype, keytype);
 339                 ptr->wcs_type = keytype;
 340         }
 341         else    /** Otherwise allocate a new one */
 342         {
 343                 ptr = NewSubstVar(keyname, keylen, keytype);
 344         }
 345
 346         /** Format the string */
 347         va_start(arg_ptr, format);
 348         StrBufVAppendPrintf(ptr->wcs_value, format, arg_ptr);
 349         va_end(arg_ptr);
 350 }
 351
 352 /**
 353  * \brief Add a substitution variable (local to this session)
 354  * \param keyname the replacementstring to substitute
 355  * \param keytype the kind of the key
 356  * \param format the format string ala printf
 357  * \param ... the arguments to substitute in the formatstring
 358  */
 359 void svprintf(char *keyname, size_t keylen, int keytype, const char *format,...)
 360 {
 361         va_list arg_ptr;
 362         void *vPtr;
 363         wcsubst *ptr = NULL;
 364         wcsession *WCC = WC;
 365
 366         /**
 367          * First look if we're doing a replacement of
 368          * an existing key
 369          */
 370         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 371         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 372                 ptr = (wcsubst*)vPtr;
 373                 FlushPayload(ptr, 1, keytype);
 374                 ptr->wcs_type = keytype;
 375         }
 376         else    /** Otherwise allocate a new one */
 377         {
 378                 ptr = NewSubstVar(keyname, keylen, keytype);
 379         }
 380
 381         /** Format the string and save it */
 382         va_start(arg_ptr, format);
 383         StrBufVAppendPrintf(ptr->wcs_value, format, arg_ptr);
 384         va_end(arg_ptr);
 385 }
 386
 387 /**
 388  * \brief Add a substitution variable (local to this session)
 389  * \param keyname the replacementstring to substitute
 390  * \param keytype the kind of the key
 391  * \param format the format string ala printf
 392  * \param ... the arguments to substitute in the formatstring
 393  */
 394 void SVPut(char *keyname, size_t keylen, int keytype, char *Data)
 395 {
 396         void *vPtr;
 397         wcsubst *ptr = NULL;
 398         wcsession *WCC = WC;
 399
 400
 401         /**
 402          * First look if we're doing a replacement of
 403          * an existing key
 404          */
 405         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 406         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 407                 ptr = (wcsubst*)vPtr;
 408                 FlushPayload(ptr, 1, keytype);
 409                 ptr->wcs_type = keytype;
 410         }
 411         else    /** Otherwise allocate a new one */
 412         {
 413                 ptr = NewSubstVar(keyname, keylen, keytype);
 414         }
 415         StrBufAppendBufPlain(ptr->wcs_value, Data, -1, 0);
 416 }
 417
 418 /**
 419  * \brief Add a substitution variable (local to this session)
 420  * \param keyname the replacementstring to substitute
 421  * \param keytype the kind of the key
 422  * \param format the format string ala printf
 423  * \param ... the arguments to substitute in the formatstring
 424  */
 425 void SVPutLong(char *keyname, size_t keylen, long Data)
 426 {
 427         void *vPtr;
 428         wcsubst *ptr = NULL;
 429         wcsession *WCC = WC;
 430
 431
 432         /**
 433          * First look if we're doing a replacement of
 434          * an existing key
 435          */
 436         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 437         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 438                 ptr = (wcsubst*)vPtr;
 439                 FlushPayload(ptr, 1, WCS_LONG);
 440                 ptr->wcs_type = WCS_LONG;
 441         }
 442         else    /** Otherwise allocate a new one */
 443         {
 444                 ptr = NewSubstVar(keyname, keylen, WCS_LONG);
 445         }
 446         ptr->lvalue = Data;
 447 }
 448
 449 /**
 450  * \brief Add a substitution variable (local to this session) that does a callback
 451  * \param keyname the keystring to substitute
 452  * \param fcn_ptr the function callback to give the substitution string
 453  */
 454 void SVCallback(char *keyname, size_t keylen, WCHandlerFunc fcn_ptr)
 455 {
 456         wcsubst *ptr;
 457         void *vPtr;
 458         wcsession *WCC = WC;
 459
 460         /**
 461          * First look if we're doing a replacement of
 462          * an existing key
 463          */
 464         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 465         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 466                 ptr = (wcsubst*)vPtr;
 467                 FlushPayload(ptr, 1, WCS_FUNCTION);
 468                 ptr->wcs_type = WCS_FUNCTION;
 469         }
 470         else    /** Otherwise allocate a new one */
 471         {
 472                 ptr = NewSubstVar(keyname, keylen, WCS_FUNCTION);
 473         }
 474
 475         ptr->wcs_function = fcn_ptr;
 476 }
 477 inline void SVCALLBACK(char *keyname, WCHandlerFunc fcn_ptr)
 478 {
 479         SVCallback(keyname, strlen(keyname), fcn_ptr);
 480 }
 481
 482
 483
 484 void SVPUTBuf(const char *keyname, int keylen, const StrBuf *Buf, int ref)
 485 {
 486         wcsubst *ptr;
 487         void *vPtr;
 488         wcsession *WCC = WC;
 489
 490         /**
 491          * First look if we're doing a replacement of
 492          * an existing key
 493          */
 494         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 495         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 496                 ptr = (wcsubst*)vPtr;
 497                 FlushPayload(ptr, 0, (ref)?WCS_STRBUF_REF:WCS_STRBUF);
 498                 ptr->wcs_type = (ref)?WCS_STRBUF_REF:WCS_STRBUF;
 499         }
 500         else    /** Otherwise allocate a new one */
 501         {
 502                 ptr = NewSubstVar(keyname, keylen, (ref)?WCS_STRBUF_REF:WCS_STRBUF);
 503         }
 504         ptr->wcs_value = (StrBuf*)Buf;
 505 }
 506
 507 /**
 508  * \brief back end for print_value_of() ... does a server command
 509  * \param servcmd server command to execute on the citadel server
 510  */
 511 void pvo_do_cmd(StrBuf *Target, StrBuf *servcmd) {
 512         char buf[SIZ];
 513         int len;
 514
 515         serv_puts(ChrPtr(servcmd));
 516         len = serv_getln(buf, sizeof buf);
 517
 518         switch(buf[0]) {
 519                 case '2':
 520                 case '3':
 521                 case '5':
 522                         StrBufAppendPrintf(Target, "%s\n", &buf[4]);
 523                         break;
 524                 case '1':
 525                         _fmout(Target, "CENTER");
 526                         break;
 527                 case '4':
 528                         StrBufAppendPrintf(Target, "%s\n", &buf[4]);
 529                         serv_puts("000");
 530                         break;
 531         }
 532 }
 533
 534 void GetTemplateTokenString(WCTemplputParams *TP,
 535                             int N,
 536                             const char **Value,
 537                             long *len)
 538 {
 539         StrBuf *Buf;
 540
 541         if (TP->Tokens->nParameters < N) {
 542                 lprintf(1, "invalid token. this shouldn't have come till here.\n");
 543                 wc_backtrace();
 544                 *Value = "";
 545                 *len = 0;
 546                 return;
 547         }
 548
 549         switch (TP->Tokens->Params[N]->Type) {
 550
 551         case TYPE_STR:
 552                 *Value = TP->Tokens->Params[N]->Start;
 553                 *len = TP->Tokens->Params[N]->len;
 554                 break;
 555         case TYPE_BSTR:
 556                 Buf = (StrBuf*) SBstr(TKEY(N));
 557                 *Value = ChrPtr(Buf);
 558                 *len = StrLength(Buf);
 559                 break;
 560         case TYPE_PREFSTR:
 561                 get_PREFERENCE(TKEY(N), &Buf);
 562                 *Value = ChrPtr(Buf);
 563                 *len = StrLength(Buf);
 564                 break;
 565         case TYPE_LONG:
 566         case TYPE_PREFINT:
 567                 break; /* todo: string to text? */
 568         case TYPE_GETTEXT:
 569                 *Value = _(TP->Tokens->Params[N]->Start);
 570                 *len = strlen(*Value);
 571                 break;
 572         default:
 573                 break;
 574 /*/todo log error */
 575         }
 576 }
 577
 578
 579
 580 /**
 581  * \brief Print the value of a variable
 582  * \param keyname get a key to print
 583  */
 584 void print_value_of(StrBuf *Target, WCTemplputParams *TP)
 585
 586 {
 587         wcsession *WCC = WC;
 588         wcsubst *ptr;
 589         void *vVar;
 590
 591         /*if (WCC->vars != NULL) PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 592         /* TODO: depricated! */
 593         if (TP->Tokens->pName[0] == '=') {
 594                 DoTemplate(TP->Tokens->pName+1, TP->Tokens->NameEnd - 1, NULL, &NoCtx);
 595         }
 596 /*/////TODO: if param[1] == "U" -> urlescape
 597 /// X -> escputs */
 598         /** Page-local variables */
 599         if ((WCC->vars!= NULL) && GetHash(WCC->vars, TP->Tokens->pName, TP->Tokens->NameEnd, &vVar)) {
 600                 ptr = (wcsubst*) vVar;
 601                 switch(ptr->wcs_type) {
 602                 case WCS_STRING:
 603                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 604                         break;
 605                 case WCS_SERVCMD:
 606                         pvo_do_cmd(Target, ptr->wcs_value);
 607                         break;
 608                 case WCS_FUNCTION:
 609                         (*ptr->wcs_function) (Target, TP);
 610                         break;
 611                 case WCS_STRBUF:
 612                 case WCS_STRBUF_REF:
 613                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 614                         break;
 615                 case WCS_LONG:
 616                         StrBufAppendPrintf(Target, "%ld", ptr->lvalue);
 617                         break;
 618                 default:
 619                         LogTemplateError(
 620                                 Target, "Subst", ERR_NAME, TP,
 621                                 "WARNING: invalid value in SV-Hash at %s!", TP->Tokens->pName);
 622                 }
 623         }
 624         else {
 625                 LogTemplateError(
 626                         Target, "Token", ERR_NAME, TP,
 627                         "didn't find Handler");
 628                 wc_backtrace();
 629         }
 630 }
 631
 632 int CompareSubstToToken(TemplateParam *ParamToCompare, TemplateParam *ParamToLookup)
 633 {
 634         wcsession *WCC = WC;
 635         wcsubst *ptr;
 636         void *vVar;
 637
 638         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 639                                           ParamToLookup->len, &vVar)) {
 640                 ptr = (wcsubst*) vVar;
 641                 switch(ptr->wcs_type) {
 642                 case WCS_STRING:
 643                 case WCS_STRBUF:
 644                 case WCS_STRBUF_REF:
 645                         if (ParamToCompare->Type == TYPE_STR)
 646                                 return ((ParamToCompare->len == StrLength(ptr->wcs_value)) &&
 647                                         (strcmp(ParamToCompare->Start, ChrPtr(ptr->wcs_value)) == 0));
 648                         else
 649                                 return ParamToCompare->lvalue == StrTol(ptr->wcs_value);
 650                         break;
 651                 case WCS_SERVCMD:
 652                         return 1;
 653                         break;
 654                 case WCS_FUNCTION:
 655                         return 1;
 656                 case WCS_LONG:
 657                         if (ParamToCompare->Type == TYPE_STR)
 658                                 return 0;
 659                         else
 660                                 return ParamToCompare->lvalue == ptr->lvalue;
 661                         break;
 662                 default:
 663                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n",
 664                                 ParamToLookup->Start);
 665                 }
 666         }
 667         return 0;
 668 }
 669
 670 int CompareSubstToStrBuf(StrBuf *Compare, TemplateParam *ParamToLookup)
 671 {
 672         wcsession *WCC = WC;
 673         wcsubst *ptr;
 674         void *vVar;
 675
 676         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 677                                           ParamToLookup->len, &vVar)) {
 678                 ptr = (wcsubst*) vVar;
 679                 switch(ptr->wcs_type) {
 680                 case WCS_STRING:
 681                 case WCS_STRBUF:
 682                 case WCS_STRBUF_REF:
 683                         return ((StrLength(Compare) == StrLength(ptr->wcs_value)) &&
 684                                 (strcmp(ChrPtr(Compare), ChrPtr(ptr->wcs_value)) == 0));
 685                 case WCS_SERVCMD:
 686                         return 1;
 687                         break;
 688                 case WCS_FUNCTION:
 689                         return 1;
 690                 case WCS_LONG:
 691                         return StrTol(Compare) == ptr->lvalue;
 692                 default:
 693                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n",
 694                                 ParamToLookup->Start);
 695                 }
 696         }
 697         return 0;
 698 }
 699
 700
 701
 702 /**
 703  * \brief puts string into the template and computes which escape methon we should use
 704  * \param Source the string we should put into the template
 705  * \param FormatTypeIndex where should we look for escape types if?
 706  */
 707 void StrBufAppendTemplate(StrBuf *Target,
 708                           WCTemplputParams *TP,
 709                           const StrBuf *Source, int FormatTypeIndex)
 710 {
 711         wcsession *WCC;
 712         StrBuf *Buf;
 713         char EscapeAs = ' ';
 714
 715         if ((FormatTypeIndex < TP->Tokens->nParameters) &&
 716             (TP->Tokens->Params[FormatTypeIndex]->Type == TYPE_STR) &&
 717             (TP->Tokens->Params[FormatTypeIndex]->len == 1)) {
 718                 EscapeAs = *TP->Tokens->Params[FormatTypeIndex]->Start;
 719         }
 720
 721         switch(EscapeAs)
 722         {
 723         case 'H':
 724                 WCC = WC;
 725                 Buf = NewStrBufPlain(NULL, StrLength(Source));
 726                 StrBuf_RFC822_to_Utf8(Buf,
 727                                       Source,
 728                                       (WCC!=NULL)? WCC->DefaultCharset : NULL,
 729                                       NULL);
 730                 StrEscAppend(Target, Buf, NULL, 0, 0);
 731                 FreeStrBuf(&Buf);
 732                 break;
 733         case 'X':
 734                 StrEscAppend(Target, Source, NULL, 0, 0);
 735                 break;
 736         default:
 737                 StrBufAppendBuf(Target, Source, 0);
 738         }
 739 }
 740
 741
 742 void PutNewToken(WCTemplate *Template, WCTemplateToken *NewToken)
 743 {
 744         if (Template->nTokensUsed + 1 >= Template->TokenSpace) {
 745                 if (Template->TokenSpace <= 0) {
 746                         Template->Tokens = (WCTemplateToken**)malloc(
 747                                 sizeof(WCTemplateToken*) * 10);
 748                         Template->TokenSpace = 10;
 749                 }
 750                 else {
 751                         WCTemplateToken **NewTokens;
 752                         NewTokens= (WCTemplateToken**)malloc(
 753                                 sizeof(WCTemplateToken*) *
 754                                 Template->TokenSpace * 2);
 755                         memcpy(NewTokens, Template->Tokens,
 756                                sizeof(WCTemplateToken*) * Template->nTokensUsed);
 757                         free(Template->Tokens);
 758                         Template->TokenSpace *= 2;
 759                         Template->Tokens = NewTokens;
 760                 }
 761         }
 762         Template->Tokens[(Template->nTokensUsed)++] = NewToken;
 763 }
 764
 765 TemplateParam *GetNextParameter(StrBuf *Buf, const char **pCh, const char *pe, WCTemplateToken *Tokens, WCTemplate *pTmpl)
 766 {
 767         const char *pch = *pCh;
 768         const char *pchs, *pche;
 769         TemplateParam *Parm = (TemplateParam *) malloc(sizeof(TemplateParam));
 770         char quote = '\0';
 771         int ParamBrace = 0;
 772
 773         Parm->Type = TYPE_STR;
 774
 775         /* Skip leading whitespaces */
 776         while ((*pch == ' ' )||
 777                (*pch == '\t')||
 778                (*pch == '\r')||
 779                (*pch == '\n')) pch ++;
 780
 781         if (*pch == ':') {
 782                 Parm->Type = TYPE_PREFSTR;
 783                 pch ++;
 784                 if (*pch == '(') {
 785                         pch ++;
 786                         ParamBrace = 1;
 787                 }
 788         }
 789         else if (*pch == ';') {
 790                 Parm->Type = TYPE_PREFINT;
 791                 pch ++;
 792                 if (*pch == '(') {
 793                         pch ++;
 794                         ParamBrace = 1;
 795                 }
 796         }
 797         else if (*pch == '_') {
 798                 Parm->Type = TYPE_GETTEXT;
 799                 pch ++;
 800                 if (*pch == '(') {
 801                         pch ++;
 802                         ParamBrace = 1;
 803                 }
 804         }
 805         else if (*pch == 'B') {
 806                 Parm->Type = TYPE_BSTR;
 807                 pch ++;
 808                 if (*pch == '(') {
 809                         pch ++;
 810                         ParamBrace = 1;
 811                 }
 812         }
 813
 814
 815         if (*pch == '"')
 816                 quote = '"';
 817         else if (*pch == '\'')
 818                 quote = '\'';
 819         if (quote != '\0') {
 820                 pch ++;
 821                 pchs = pch;
 822                 while (pch <= pe &&
 823                        ((*pch != quote) ||
 824                         ( (pch > pchs) && (*(pch - 1) == '\\'))
 825                                )) {
 826                         pch ++;
 827                 }
 828                 pche = pch;
 829                 if (*pch != quote) {
 830                         lprintf(1, "Error (in '%s' line %ld); "
 831                                 "evaluating template param [%s] in Token [%s]\n",
 832                                 ChrPtr(pTmpl->FileName),
 833                                 Tokens->Line,
 834                                 ChrPtr(Tokens->FlatToken),
 835                                 *pCh);
 836                         pch ++;
 837                         free(Parm);
 838                         return NULL;
 839                 }
 840                 else {
 841                         StrBufPeek(Buf, pch, -1, '\0');
 842                         if (LoadTemplates > 1) {
 843                                 lprintf(1, "DBG: got param [%s] %ld %ld\n",
 844                                         pchs, pche - pchs, strlen(pchs));
 845                         }
 846                         Parm->Start = pchs;
 847                         Parm->len = pche - pchs;
 848                         pch ++; /* move after trailing quote */
 849                         if (ParamBrace && (*pch == ')')) {
 850                                 pch ++;
 851                         }
 852
 853                 }
 854         }
 855         else {
 856                 Parm->Type = TYPE_LONG;
 857                 pchs = pch;
 858                 while ((pch <= pe) &&
 859                        (isdigit(*pch) ||
 860                         (*pch == '+') ||
 861                         (*pch == '-')))
 862                         pch ++;
 863                 pch ++;
 864                 if (pch - pchs > 1){
 865                         StrBufPeek(Buf, pch, -1, '\0');
 866                         Parm->lvalue = atol(pchs);
 867                         Parm->Start = pchs;
 868                         pch++;
 869                 }
 870                 else {
 871                         Parm->lvalue = 0;
 872 /* TODO whUT?
 873                         lprintf(1, "Error (in '%s' line %ld); "
 874                                 "evaluating long template param [%s] in Token [%s]\n",
 875                                 ChrPtr(pTmpl->FileName),
 876                                 Tokens->Line,
 877                                 ChrPtr(Tokens->FlatToken),
 878                                 *pCh);
 879                                 */
 880                         free(Parm);
 881                         return NULL;
 882                 }
 883         }
 884         while ((*pch == ' ' )||
 885                (*pch == '\t')||
 886                (*pch == '\r')||
 887                (*pch == ',' )||
 888                (*pch == '\n')) pch ++;
 889
 890         *pCh = pch;
 891         return Parm;
 892 }
 893
 894 WCTemplateToken *NewTemplateSubstitute(StrBuf *Buf,
 895                                        const char *pStart,
 896                                        const char *pTmplStart,
 897                                        const char *pTmplEnd,
 898                                        long Line,
 899                                        WCTemplate *pTmpl)
 900 {
 901         void *vVar;
 902         const char *pch;
 903         TemplateParam *Param;
 904         WCTemplateToken *NewToken = (WCTemplateToken*)malloc(sizeof(WCTemplateToken));
 905         WCTemplputParams TP;
 906
 907         TP.Tokens = NewToken;
 908         NewToken->FileName = pTmpl->FileName; /* to print meaningfull log messages... */
 909         NewToken->Flags = 0;
 910         NewToken->Line = Line + 1;
 911         NewToken->pTokenStart = pTmplStart;
 912         NewToken->TokenStart = pTmplStart - pStart;
 913         NewToken->TokenEnd =  (pTmplEnd - pStart) - NewToken->TokenStart;
 914         NewToken->pTokenEnd = pTmplEnd;
 915         NewToken->NameEnd = NewToken->TokenEnd - 2;
 916         NewToken->PreEval = NULL;
 917         NewToken->FlatToken = NewStrBufPlain(pTmplStart + 2, pTmplEnd - pTmplStart - 2);
 918
 919         StrBufPeek(Buf, pTmplStart, + 1, '\0');
 920         StrBufPeek(Buf, pTmplEnd, -1, '\0');
 921         pch = NewToken->pName = pTmplStart + 2;
 922
 923         NewToken->HaveParameters = 0;;
 924         NewToken->nParameters = 0;
 925
 926         while (pch < pTmplEnd - 1) {
 927                 if (*pch == '(') {
 928                         StrBufPeek(Buf, pch, -1, '\0');
 929                         NewToken->NameEnd = pch - NewToken->pName;
 930                         pch ++;
 931                         if (*(pTmplEnd - 1) != ')') {
 932                                 LogTemplateError(
 933                                         NULL, "Parseerror", ERR_NAME, &TP,
 934                                         "Warning, Non welformed Token; missing right parenthesis");
 935                         }
 936                         while (pch < pTmplEnd - 1) {
 937                                 Param = GetNextParameter(Buf, &pch, pTmplEnd - 1, NewToken, pTmpl);
 938                                 if (Param != NULL) {
 939                                         NewToken->HaveParameters = 1;
 940                                         if (NewToken->nParameters > MAXPARAM) {
 941                                                 LogTemplateError(
 942                                                         NULL, "Parseerror", ERR_NAME, &TP,
 943                                                         "only [%ld] Params allowed in Tokens",
 944                                                         MAXPARAM);
 945
 946                                                 free(Param);
 947                                                 FreeToken(&NewToken);
 948                                                 return NULL;
 949                                         }
 950                                         NewToken->Params[NewToken->nParameters++] = Param;
 951                                 }
 952                                 else break;
 953                         }
 954                         if((NewToken->NameEnd == 1) &&
 955                            (NewToken->HaveParameters == 1))
 956
 957                         {
 958                                 if (*(NewToken->pName) == '_')
 959                                         NewToken->Flags = SV_GETTEXT;
 960                                 else if (*(NewToken->pName) == '=')
 961                                         NewToken->Flags = SV_SUBTEMPL;
 962                                 else if (*(NewToken->pName) == '%')
 963                                         NewToken->Flags = SV_CUST_STR_CONDITIONAL;
 964                                 else if (*(NewToken->pName) == '?')
 965                                         NewToken->Flags = SV_CONDITIONAL;
 966                                 else if (*(NewToken->pName) == '!')
 967                                         NewToken->Flags = SV_NEG_CONDITIONAL;
 968                         }
 969                 }
 970                 else pch ++;
 971         }
 972
 973         switch (NewToken->Flags) {
 974         case 0:
 975                 /* If we're able to find out more about the token, do it now while its fresh. */
 976                 if (GetHash(GlobalNS, NewToken->pName, NewToken->NameEnd, &vVar)) {
 977                         HashHandler *Handler;
 978                         Handler = (HashHandler*) vVar;
 979                         if ((NewToken->nParameters < Handler->nMinArgs) ||
 980                             (NewToken->nParameters > Handler->nMaxArgs)) {
 981                                 LogTemplateError(
 982                                         NULL, "Token", ERR_NAME, &TP,
 983                                         "doesn't work with %ld params",
 984                                         NewToken->nParameters);
 985
 986                         }
 987                         else {
 988                                 NewToken->PreEval = Handler;
 989                                 NewToken->Flags = SV_PREEVALUATED;
 990                         }
 991                 }
 992                 break;
 993         case SV_GETTEXT:
 994                 if (NewToken->nParameters !=1) {
 995                         LogTemplateError(
 996                                 NULL, "Gettext", ERR_NAME, &TP,
 997                                 "requires exactly 1 parameter, you gave %ld params",
 998                                 NewToken->nParameters);
 999                         NewToken->Flags = 0;
1000                         break;
1001                 }
1002                 break;
1003         case SV_SUBTEMPL:
1004                 if (NewToken->nParameters != 1) {
1005                         LogTemplateError(
1006                                 NULL, "Subtemplates", ERR_NAME, &TP,
1007                                 "require exactly 1 parameter, you gave %ld params",
1008                                 NewToken->nParameters);
1009                         break;
1010                 }
1011                 break;
1012         case SV_CUST_STR_CONDITIONAL:
1013         case SV_CONDITIONAL:
1014         case SV_NEG_CONDITIONAL:
1015                 if (NewToken->nParameters <2) {
1016                         LogTemplateError(
1017                                 NULL, "Conditional", ERR_NAME, &TP,
1018                                 "require at least 2 parameters, you gave %ld params",
1019                                 NewToken->nParameters);
1020                         NewToken->Flags = 0;
1021                         break;
1022                 }
1023                 if (NewToken->Params[1]->lvalue == 0) {
1024                         LogTemplateError(
1025                                 NULL, "Conditional", ERR_NAME, &TP,
1026                                 "Conditional ID (Parameter 1) mustn't be 0!");
1027                         NewToken->Flags = 0;
1028                         break;
1029                 }
1030                 if (!GetHash(Conditionals,
1031                              NewToken->Params[0]->Start,
1032                              NewToken->Params[0]->len,
1033                              &vVar) ||
1034                     (vVar == NULL)) {
1035                         if ((NewToken->Params[0]->len == 1) &&
1036                             (NewToken->Params[0]->Start[0] == 'X'))
1037                                 break;
1038                         LogTemplateError(
1039                                 NULL, "Conditional", ERR_NAME, &TP,
1040                                 "Not found!");
1041 /*
1042                         NewToken->Error = NewStrBuf();
1043                         StrBufAppendPrintf(
1044                                 NewToken->Error,
1045                                 "<pre>\nConditional [%s] (in '%s' line %ld); Not found!\n[%s]\n</pre>\n",
1046                                 NewToken->Params[0]->Start,
1047                                 ChrPtr(pTmpl->FileName),
1048                                 NewToken->Line,
1049                                 ChrPtr(NewToken->FlatToken));
1050 */
1051                 }
1052                 else {
1053                         NewToken->PreEval = vVar;
1054                 }
1055                 break;
1056         }
1057         return NewToken;
1058 }
1059
1060
1061
1062
1063
1064 /**
1065  * \brief Display a variable-substituted template
1066  * \param templatename template file to load
1067  */
1068 void *prepare_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
1069 {
1070         WCTemplate *NewTemplate;
1071         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
1072         NewTemplate->Data = NULL;
1073         NewTemplate->FileName = NewStrBufDup(filename);
1074         NewTemplate->nTokensUsed = 0;
1075         NewTemplate->TokenSpace = 0;
1076         NewTemplate->Tokens = NULL;
1077
1078         Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1079         return NewTemplate;
1080 }
1081
1082 /**
1083  * \brief Display a variable-substituted template
1084  * \param templatename template file to load
1085  */
1086 void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
1087 {
1088         int fd;
1089         struct stat statbuf;
1090         const char *pS, *pE, *pch, *Err;
1091         long Line;
1092         int pos;
1093         WCTemplate *NewTemplate;
1094
1095         fd = open(ChrPtr(filename), O_RDONLY);
1096         if (fd <= 0) {
1097                 lprintf(1, "ERROR: could not open template '%s' - %s\n",
1098                         ChrPtr(filename), strerror(errno));
1099                 return NULL;
1100         }
1101
1102         if (fstat(fd, &statbuf) == -1) {
1103                 lprintf(1, "ERROR: could not stat template '%s' - %s\n",
1104                         ChrPtr(filename), strerror(errno));
1105                 return NULL;
1106         }
1107
1108         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
1109         NewTemplate->Data = NewStrBufPlain(NULL, statbuf.st_size);
1110         NewTemplate->FileName = NewStrBufDup(filename);
1111         NewTemplate->nTokensUsed = 0;
1112         NewTemplate->TokenSpace = 0;
1113         NewTemplate->Tokens = NULL;
1114         if (StrBufReadBLOB(NewTemplate->Data, &fd, 1, statbuf.st_size, &Err) < 0) {
1115                 close(fd);
1116                 FreeWCTemplate(NewTemplate);
1117                 lprintf(1, "ERROR: reading template '%s' - %s<br />\n",
1118                         ChrPtr(filename), strerror(errno));
1119                 return NULL;
1120         }
1121         close(fd);
1122
1123         Line = 0;
1124         pS = pch = ChrPtr(NewTemplate->Data);
1125         pE = pS + StrLength(NewTemplate->Data);
1126         while (pch < pE) {
1127                 const char *pts, *pte;
1128                 int InQuotes = 0;
1129                 int InDoubleQuotes = 0;
1130
1131                 /** Find one <? > */
1132                 pos = (-1);
1133                 for (; pch < pE; pch ++) {
1134                         if ((*pch=='<')&&(*(pch + 1)=='?'))
1135                                 break;
1136                         if (*pch=='\n') Line ++;
1137                 }
1138                 if (pch >= pE)
1139                         continue;
1140                 pts = pch;
1141
1142                 /** Found one? parse it. */
1143                 for (; pch <= pE - 1; pch ++) {
1144                         if (*pch == '"')
1145                                 InDoubleQuotes = ! InDoubleQuotes;
1146                         else if (*pch == '\'')
1147                                 InQuotes = ! InQuotes;
1148                         else if ((!InQuotes  && !InDoubleQuotes) &&
1149                                  ((*pch!='\\')&&(*(pch + 1)=='>'))) {
1150                                 pch ++;
1151                                 break;
1152                         }
1153                 }
1154                 if (pch + 1 > pE)
1155                         continue;
1156                 pte = pch;
1157                 PutNewToken(NewTemplate,
1158                             NewTemplateSubstitute(NewTemplate->Data, pS, pts, pte, Line, NewTemplate));
1159                 pch ++;
1160         }
1161         if (LoadTemplates == 0)
1162                 Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1163         return NewTemplate;
1164 }
1165
1166
1167 const char* PrintTemplate(void *vSubst)
1168 {
1169         WCTemplate *Tmpl = vSubst;
1170
1171         return ChrPtr(Tmpl->FileName);
1172
1173 }
1174
1175 int LoadTemplateDir(const char *DirName, HashList *wireless, HashList *big)
1176 {
1177         StrBuf *FileName;
1178         StrBuf *Tag;
1179         StrBuf *Dir;
1180         DIR *filedir = NULL;
1181         struct dirent *filedir_entry;
1182         int d_namelen;
1183         int d_without_ext;
1184         int IsMobile;
1185
1186         Dir = NewStrBuf();
1187         StrBufPrintf(Dir, "%s/t", DirName);
1188         filedir = opendir (ChrPtr(Dir));
1189         if (filedir == NULL) {
1190                 FreeStrBuf(&Dir);
1191                 return 0;
1192         }
1193
1194         FileName = NewStrBuf();
1195         Tag = NewStrBuf();
1196         while ((filedir_entry = readdir(filedir)))
1197         {
1198                 char *MinorPtr;
1199                 char *PStart;
1200 #ifdef _DIRENT_HAVE_D_NAMELEN
1201                 d_namelen = filedir_entry->d_namelen;
1202 #else
1203                 d_namelen = strlen(filedir_entry->d_name);
1204 #endif
1205                 d_without_ext = d_namelen;
1206                 while ((d_without_ext > 0) && (filedir_entry->d_name[d_without_ext] != '.'))
1207                         d_without_ext --;
1208                 if ((d_without_ext == 0) || (d_namelen < 3))
1209                         continue;
1210                 if ((d_namelen > 1) && filedir_entry->d_name[d_namelen - 1] == '~')
1211                         continue; /* Ignore backup files... */
1212
1213                 IsMobile = (strstr(filedir_entry->d_name, ".m.html")!= NULL);
1214                 PStart = filedir_entry->d_name;
1215                 StrBufPrintf(FileName, "%s/%s", ChrPtr(Dir),  filedir_entry->d_name);
1216                 MinorPtr = strchr(filedir_entry->d_name, '.');
1217                 if (MinorPtr != NULL)
1218                         *MinorPtr = '\0';
1219                 StrBufPlain(Tag, filedir_entry->d_name, MinorPtr - filedir_entry->d_name);
1220
1221                 if (LoadTemplates > 1)
1222                         lprintf(1, "%s %d %s\n",ChrPtr(FileName), IsMobile, ChrPtr(Tag));
1223                 if (LoadTemplates == 0)
1224                         load_template(FileName, Tag, (IsMobile)?wireless:big);
1225                 else
1226                         prepare_template(FileName, Tag, (IsMobile)?wireless:big);
1227         }
1228         closedir(filedir);
1229         FreeStrBuf(&FileName);
1230         FreeStrBuf(&Tag);
1231         FreeStrBuf(&Dir);
1232         return 1;
1233 }
1234
1235 void InitTemplateCache(void)
1236 {
1237         LoadTemplateDir(static_dirs[0],
1238                         WirelessTemplateCache,
1239                         TemplateCache);
1240         LoadTemplateDir(static_dirs[1],
1241                         WirelessLocalTemplateCache,
1242                         LocalTemplateCache);
1243 }
1244
1245
1246
1247 /*-----------------------------------------------------------------------------
1248  *                      Filling & processing Templates
1249  */
1250 /**
1251  * \brief executes one token
1252  * \param Target buffer to append to
1253  * \param Token da to  process.
1254  * \param Template we're iterating
1255  * \param Context Contextpoointer to pass in
1256  * \param state are we in conditional state?
1257  * \param ContextType what type of information does context giv us?
1258  */
1259 int EvaluateToken(StrBuf *Target, int state, WCTemplputParams *TP)
1260 {
1261         const char *AppendMe;
1262         long AppendMeLen;
1263         HashHandler *Handler;
1264         void *vVar;
1265 /* much output, since pName is not terminated...
1266         lprintf(1,"Doing token: %s\n",Token->pName);
1267 */
1268
1269         switch (TP->Tokens->Flags) {
1270         case SV_GETTEXT:
1271                 TmplGettext(Target, TP);
1272                 break;
1273         case SV_CONDITIONAL: /** Forward conditional evaluation */
1274                 return EvaluateConditional(Target, 1, state, TP);
1275                 break;
1276         case SV_NEG_CONDITIONAL: /** Reverse conditional evaluation */
1277                 return EvaluateConditional(Target, 0, state, TP);
1278                 break;
1279         case SV_CUST_STR_CONDITIONAL: /** Conditional put custom strings from params */
1280                 if (TP->Tokens->nParameters >= 6) {
1281                         if (EvaluateConditional(Target, 0, state, TP)) {
1282                                 GetTemplateTokenString(TP, 5, &AppendMe, &AppendMeLen);
1283                                 StrBufAppendBufPlain(Target,
1284                                                      AppendMe,
1285                                                      AppendMeLen,
1286                                                      0);
1287                         }
1288                         else{
1289                                 GetTemplateTokenString(TP, 4, &AppendMe, &AppendMeLen);
1290                                 StrBufAppendBufPlain(Target,
1291                                                      AppendMe,
1292                                                      AppendMeLen,
1293                                                      0);
1294                         }
1295                 }
1296                 else  {
1297                         LogTemplateError(
1298                                 Target, "Conditional", ERR_NAME, TP,
1299                                 "needs at least 6 Params!");
1300                 }
1301                 break;
1302         case SV_SUBTEMPL:
1303                 if (TP->Tokens->nParameters == 1)
1304                         DoTemplate(TKEY(0), NULL, TP);
1305                 break;
1306         case SV_PREEVALUATED:
1307                 Handler = (HashHandler*) TP->Tokens->PreEval;
1308                 if ((Handler->ContextRequired != CTX_NONE) &&
1309                     (Handler->ContextRequired != TP->ContextType)) {
1310                         LogTemplateError(
1311                                 Target, "Token", ERR_NAME, TP,
1312                                 "requires context of type %ld, have %ld",
1313                                 Handler->ContextRequired,
1314                                 TP->ContextType);
1315                         return -1;
1316
1317                 }
1318                 Handler->HandlerFunc(Target, TP);
1319                 break;
1320         default:
1321                 if (GetHash(GlobalNS, TP->Tokens->pName, TP->Tokens->NameEnd, &vVar)) {
1322                         Handler = (HashHandler*) vVar;
1323                         if ((Handler->ContextRequired != CTX_NONE) &&
1324                             (Handler->ContextRequired != TP->ContextType)) {
1325                                 LogTemplateError(
1326                                         Target, "Token", ERR_NAME, TP,
1327                                         "requires context of type %ld, have %ld",
1328                                         Handler->ContextRequired,
1329                                         TP->ContextType);
1330                                 return -1;
1331                         }
1332                         else if ((TP->Tokens->nParameters < Handler->nMinArgs) ||
1333                                  (TP->Tokens->nParameters > Handler->nMaxArgs)) {
1334                                 LogTemplateError(
1335                                         Target, "Token", ERR_NAME, TP,
1336                                         "doesn't work with %ld params need  > %ld  < %ld",
1337                                         TP->Tokens->nParameters,
1338                                         Handler->nMaxArgs,
1339                                         Handler->nMinArgs);
1340                         }
1341                         else {
1342                                 Handler->HandlerFunc(Target, TP);
1343                         }
1344                 }
1345                 else {
1346                         print_value_of(Target, TP);
1347                 }
1348         }
1349         return 0;
1350 }
1351
1352
1353
1354 void ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, void *Context, int ContextType)
1355 {
1356         WCTemplate *pTmpl = Tmpl;
1357         int done = 0;
1358         int i, state;
1359         const char *pData, *pS;
1360         long len;
1361         WCTemplputParams TP;
1362
1363         TP.Context = Context;
1364         TP.ContextType = ContextType;
1365
1366         if (LoadTemplates != 0) {
1367                 if (LoadTemplates > 1)
1368                         lprintf(1, "DBG: ----- loading:  [%s] ------ \n",
1369                                 ChrPtr(Tmpl->FileName));
1370
1371                 pTmpl = load_template(Tmpl->FileName, NULL, NULL);
1372                 if(pTmpl == NULL) {
1373                         StrBufAppendPrintf(
1374                                 Target,
1375                                 "<pre>\nError loading Template [%s]\n See Logfile for details\n</pre>\n",
1376                                 ChrPtr(Tmpl->FileName));
1377                         return;
1378                 }
1379
1380         }
1381
1382         pS = pData = ChrPtr(pTmpl->Data);
1383         len = StrLength(pTmpl->Data);
1384         i = 0;
1385         state = 0;
1386         while (!done) {
1387                 if (i >= pTmpl->nTokensUsed) {
1388                         StrBufAppendBufPlain(Target,
1389                                              pData,
1390                                              len - (pData - pS), 0);
1391                         done = 1;
1392                 }
1393                 else {
1394                         StrBufAppendBufPlain(
1395                                 Target, pData,
1396                                 pTmpl->Tokens[i]->pTokenStart - pData, 0);
1397                         TP.Tokens = pTmpl->Tokens[i];
1398                         TP.nArgs = pTmpl->Tokens[i]->nParameters;
1399                         state = EvaluateToken(Target, state, &TP);
1400
1401                         while ((state != 0) && (i+1 < pTmpl->nTokensUsed)) {
1402                         /* condition told us to skip till its end condition */
1403                                 i++;
1404                                 TP.Tokens = pTmpl->Tokens[i];
1405                                 TP.nArgs = pTmpl->Tokens[i]->nParameters;
1406                                 if ((pTmpl->Tokens[i]->Flags == SV_CONDITIONAL) ||
1407                                     (pTmpl->Tokens[i]->Flags == SV_NEG_CONDITIONAL)) {
1408                                         if (state == EvaluateConditional(
1409                                                     Target,
1410                                                     pTmpl->Tokens[i]->Flags,
1411                                                     state,
1412                                                     &TP))
1413                                                 state = 0;
1414                                 }
1415                         }
1416                         pData = pTmpl->Tokens[i++]->pTokenEnd + 1;
1417                         if (i > pTmpl->nTokensUsed)
1418                                 done = 1;
1419                 }
1420         }
1421         if (LoadTemplates != 0) {
1422                 FreeWCTemplate(pTmpl);
1423         }
1424 }
1425
1426 /**
1427  * \brief Display a variable-substituted template
1428  * \param templatename template file to load
1429  */
1430 void DoTemplate(const char *templatename, long len, StrBuf *Target, WCTemplputParams *TP)
1431 {
1432         HashList *Static;
1433         HashList *StaticLocal;
1434         void *vTmpl;
1435
1436         if (Target == NULL)
1437                 Target = WC->WBuf;
1438         if (WC->is_mobile) {
1439                 Static = WirelessTemplateCache;
1440                 StaticLocal = WirelessLocalTemplateCache;
1441         }
1442         else {
1443                 Static = TemplateCache;
1444                 StaticLocal = LocalTemplateCache;
1445         }
1446
1447         if (len == 0)
1448         {
1449                 lprintf (1, "Can't to load a template with empty name!\n");
1450                 StrBufAppendPrintf(Target, "<pre>\nCan't to load a template with empty name!\n</pre>");
1451                 return;
1452         }
1453
1454         if (!GetHash(StaticLocal, templatename, len, &vTmpl) &&
1455             !GetHash(Static, templatename, len, &vTmpl)) {
1456                 lprintf (1, "didn't find Template [%s] %ld %ld\n", templatename, len , (long)strlen(templatename));
1457                 StrBufAppendPrintf(Target, "<pre>\ndidn't find Template [%s] %ld %ld\n</pre>",
1458                                    templatename, len,
1459                                    (long)strlen(templatename));
1460 #if 0
1461                 dbg_PrintHash(Static, PrintTemplate, NULL);
1462                 PrintHash(Static, VarPrintTransition, PrintTemplate);
1463 #endif
1464                 return;
1465         }
1466         if (vTmpl == NULL)
1467                 return;
1468         ProcessTemplate(vTmpl, Target, TP->Context, TP->ContextType);
1469 }
1470
1471 /*-----------------------------------------------------------------------------
1472  *                      Iterators
1473  */
1474 typedef struct _HashIterator {
1475         HashList *StaticList;
1476         int AdditionalParams;
1477         int ContextType;
1478         int XPectContextType;
1479         int Flags;
1480         RetrieveHashlistFunc GetHash;
1481         HashDestructorFunc Destructor;
1482         SubTemplFunc DoSubTemplate;
1483 } HashIterator;
1484
1485 void RegisterITERATOR(const char *Name, long len,
1486                       int AdditionalParams,
1487                       HashList *StaticList,
1488                       RetrieveHashlistFunc GetHash,
1489                       SubTemplFunc DoSubTempl,
1490                       HashDestructorFunc Destructor,
1491                       int ContextType,
1492                       int XPectContextType,
1493                       int Flags)
1494 {
1495         HashIterator *It = (HashIterator*)malloc(sizeof(HashIterator));
1496         It->StaticList = StaticList;
1497         It->AdditionalParams = AdditionalParams;
1498         It->GetHash = GetHash;
1499         It->DoSubTemplate = DoSubTempl;
1500         It->Destructor = Destructor;
1501         It->ContextType = ContextType;
1502         It->XPectContextType = XPectContextType;
1503         It->Flags = Flags;
1504         Put(Iterators, Name, len, It, NULL);
1505 }
1506
1507 void tmpl_iterate_subtmpl(StrBuf *Target, WCTemplputParams *TP)
1508 {
1509         void *vIt;
1510         HashIterator *It;
1511         HashList *List;
1512         HashPos  *it;
1513         SortStruct *SortBy = NULL;
1514         void *vSortBy;
1515         int DetectGroupChange = 0;
1516         int nMembersUsed;
1517         int nMembersCounted = 0;
1518         long len;
1519         const char *Key;
1520         void *vContext;
1521         void *vLastContext = NULL;
1522         StrBuf *SubBuf;
1523         int oddeven = 0;
1524         WCTemplputParams SubTP;
1525
1526         memcpy (&SubTP, &TP, sizeof(WCTemplputParams));
1527
1528         if (!GetHash(Iterators, TKEY(0), &vIt)) {
1529                 LogTemplateError(
1530                         Target, "Iterator", ERR_PARM1, TP, "Unknown!");
1531                 return;
1532         }
1533
1534         It = (HashIterator*) vIt;
1535
1536         if (TP->Tokens->nParameters < It->AdditionalParams + 2) {
1537                 LogTemplateError(
1538                         Target, "Iterator", ERR_PARM1, TP,
1539                         "doesn't work with %ld params",
1540                         TP->Tokens->nParameters);
1541                 return;
1542         }
1543
1544         if ((It->XPectContextType != CTX_NONE) &&
1545             (It->XPectContextType != TP->ContextType)) {
1546                 LogTemplateError(
1547                         Target, "Iterator", ERR_PARM1, TP,
1548                         "requires context of type %ld, have %ld",
1549                         It->XPectContextType,
1550                         TP->ContextType);
1551                 return ;
1552
1553         }
1554
1555         if (It->StaticList == NULL)
1556                 List = It->GetHash(Target, TP);
1557         else
1558                 List = It->StaticList;
1559
1560         DetectGroupChange = (It->Flags & IT_FLAG_DETECT_GROUPCHANGE) != 0;
1561         if (DetectGroupChange) {
1562                 const StrBuf *BSort;
1563                 DetectGroupChange = 0;
1564                 if (havebstr("SortBy")) {
1565                         BSort = sbstr("SortBy");
1566                         if (GetHash(SortHash, SKEY(BSort), &vSortBy) &&
1567                             (vSortBy != NULL)) {
1568                                 SortBy = (SortStruct*)vSortBy;
1569                                 /** Ok, its us, lets see in which direction we should sort... */
1570                                 if (havebstr("SortOrder")) {
1571                                         int SortOrder;
1572                                         SortOrder = LBSTR("SortOrder");
1573                                         if (SortOrder != 0)
1574                                                 DetectGroupChange = 1;
1575                                 }
1576                         }
1577                 }
1578         }
1579         nMembersUsed = GetCount(List);
1580         SubBuf = NewStrBuf();
1581         SubTP.ContextType = It->ContextType;
1582         it = GetNewHashPos(List, 0);
1583         while (GetNextHashPos(List, it, &len, &Key, &vContext)) {
1584                 if (DetectGroupChange && nMembersCounted > 0) {
1585                         if (SortBy->GroupChange(vContext, vLastContext))
1586                                 svputlong("ITERATE:ISGROUPCHANGE", 1);
1587                         else
1588                                 svputlong("ITERATE:ISGROUPCHANGE", 0);
1589                 }
1590                 svprintf(HKEY("ITERATE:ODDEVEN"), WCS_STRING, "%s",
1591                          (oddeven) ? "odd" : "even");
1592                 svprintf(HKEY("ITERATE:KEY"), WCS_STRING, "%s", Key);
1593                 svputlong("ITERATE:N", nMembersCounted);
1594                 svputlong("ITERATE:LASTN", ++nMembersCounted == nMembersUsed);
1595                 SubTP.Context = vContext;
1596                 if (It->DoSubTemplate != NULL)
1597                         It->DoSubTemplate(SubBuf, &SubTP);
1598                 DoTemplate(TKEY(1), SubBuf, &SubTP);
1599
1600                 StrBufAppendBuf(Target, SubBuf, 0);
1601                 FlushStrBuf(SubBuf);
1602                 oddeven = ~ oddeven;
1603                 vLastContext = vContext;
1604         }
1605         FreeStrBuf(&SubBuf);
1606         DeleteHashPos(&it);
1607         if (It->Destructor != NULL)
1608                 It->Destructor(&List);
1609 }
1610
1611
1612
1613 /*-----------------------------------------------------------------------------
1614  *                      Conditionals
1615  */
1616 int EvaluateConditional(StrBuf *Target, int Neg, int state, WCTemplputParams *TP)
1617 {
1618         ConditionalStruct *Cond;
1619
1620         if ((TP->Tokens->Params[0]->len == 1) &&
1621             (TP->Tokens->Params[0]->Start[0] == 'X'))
1622                 return (state != 0)?TP->Tokens->Params[1]->lvalue:0;
1623
1624         Cond = (ConditionalStruct *) TP->Tokens->PreEval;
1625         if (Cond == NULL) {
1626                 LogTemplateError(
1627                         Target, "Conditional", ERR_PARM1, TP,
1628                         "unknown!");
1629                 return 1;
1630         }
1631
1632         if (TP->Tokens->nParameters < Cond->nParams) {
1633                 LogTemplateError(
1634                         Target, "Conditional", ERR_PARM1, TP,
1635                         "needs %ld Params, have %ld!",
1636                         Cond->nParams,
1637                         TP->Tokens->nParameters);
1638                 return 0;
1639         }
1640         if (Cond->CondF(Target, TP) == Neg)
1641                 return TP->Tokens->Params[1]->lvalue;
1642         return 0;
1643 }
1644
1645 int ConditionalVar(StrBuf *Target, WCTemplputParams *TP)
1646 {
1647         void *vsubst;
1648         wcsubst *subst;
1649
1650         if (!GetHash(WC->vars, TKEY(2), &vsubst))
1651                 return 0;
1652         subst = (wcsubst*) vsubst;
1653         if ((subst->ContextRequired != CTX_NONE) &&
1654             (subst->ContextRequired != TP->ContextType)) {
1655                 LogTemplateError(
1656                         Target, "ConditionalVar", ERR_PARM1, TP,
1657                         "  WARNING: Conditional requires Context: [%ld], have [%ld]!",
1658                         subst->ContextRequired, CTX);
1659                 return -1;
1660         }
1661
1662         switch(subst->wcs_type) {
1663         case WCS_FUNCTION:
1664                 return (subst->wcs_function!=NULL);
1665         case WCS_SERVCMD:
1666                 lprintf(1, "  -> Server [%s]\n", subst->wcs_value);/* TODO */
1667                 return 1;
1668         case WCS_STRING:
1669         case WCS_STRBUF:
1670         case WCS_STRBUF_REF:
1671                 if (TP->Tokens->nParameters < 4)
1672                         return 1;
1673                 return (strcmp(TP->Tokens->Params[3]->Start, ChrPtr(subst->wcs_value)) == 0);
1674         case WCS_LONG:
1675                 if (TP->Tokens->nParameters < 4)
1676                         return (subst->lvalue != 0);
1677                 return (subst->lvalue == TP->Tokens->Params[3]->lvalue);
1678         default:
1679                 lprintf(1,"  WARNING: invalid type: [%ld]!\n", subst->wcs_type);
1680                 return -1;
1681         }
1682         return 0;
1683 }
1684
1685
1686 void RegisterConditional(const char *Name, long len,
1687                          int nParams,
1688                          WCConditionalFunc CondF,
1689                          int ContextRequired)
1690 {
1691         ConditionalStruct *Cond = (ConditionalStruct*)malloc(sizeof(ConditionalStruct));
1692         Cond->PlainName = Name;
1693         Cond->nParams = nParams;
1694         Cond->CondF = CondF;
1695         Cond->ContextRequired = ContextRequired;
1696         Put(Conditionals, Name, len, Cond, NULL);
1697 }
1698
1699 /*-----------------------------------------------------------------------------
1700  *                      Context Strings
1701  */
1702 void tmplput_ContextString(StrBuf *Target, WCTemplputParams *TP)
1703 {
1704         StrBufAppendTemplate(Target, TP, (StrBuf*)CTX, 0);
1705 }
1706 int ConditionalContextStr(StrBuf *Target, WCTemplputParams *TP)
1707 {
1708         StrBuf *TokenText = (StrBuf*) CTX;
1709         const char *CompareToken;
1710         long len;
1711
1712         GetTemplateTokenString(TP, 2, &CompareToken, &len);
1713         return strcmp(ChrPtr(TokenText), CompareToken) == 0;
1714 }
1715
1716 /*-----------------------------------------------------------------------------
1717  *                      Boxed-API
1718  */
1719
1720 void tmpl_do_boxed(StrBuf *Target, WCTemplputParams *TP)
1721 {
1722         WCTemplputParams SubTP;
1723
1724         StrBuf *Headline;
1725         if (TP->Tokens->nParameters == 2) {
1726                 if (TP->Tokens->Params[1]->Type == TYPE_STR) {
1727                         Headline = NewStrBuf();
1728                         DoTemplate(TKEY(1), Headline, TP);
1729                 }
1730                 else {
1731                         const char *Ch;
1732                         long len;
1733                         GetTemplateTokenString(TP,
1734                                                1,
1735                                                &Ch,
1736                                                &len);
1737                         Headline = NewStrBufPlain(Ch, len);
1738                 }
1739         }
1740        memcpy (&SubTP, TP, sizeof(WCTemplputParams));
1741         SubTP.Context = Headline;
1742         SubTP.ContextType = CTX_STRBUF;
1743         DoTemplate(HKEY("beginbox"), Target, &SubTP);
1744         DoTemplate(TKEY(0), Target, TP);
1745         DoTemplate(HKEY("endbox"), Target, TP);
1746         FreeStrBuf(&Headline);
1747 }
1748
1749 /*-----------------------------------------------------------------------------
1750  *                      Tabbed-API
1751  */
1752
1753 void tmpl_do_tabbed(StrBuf *Target, WCTemplputParams *TP)
1754 {
1755         StrBuf **TabNames;
1756         int i, ntabs, nTabs;
1757
1758         nTabs = ntabs = TP->Tokens->nParameters / 2;
1759         TabNames = (StrBuf **) malloc(ntabs * sizeof(StrBuf*));
1760
1761         for (i = 0; i < ntabs; i++) {
1762                 if ((TP->Tokens->Params[i * 2]->Type == TYPE_STR) &&
1763                     (TP->Tokens->Params[i * 2]->len > 0)) {
1764                         TabNames[i] = NewStrBuf();
1765                         DoTemplate(TKEY(i * 2), TabNames[i], TP);
1766                 }
1767                 else if (TP->Tokens->Params[i * 2]->Type == TYPE_GETTEXT) {
1768                         const char *Ch;
1769                         long len;
1770                         GetTemplateTokenString(TP,
1771                                                i * 2,
1772                                                &Ch,
1773                                                &len);
1774                         TabNames[i] = NewStrBufPlain(Ch, -1);
1775                 }
1776                 else {
1777                         /** A Tab without subject? we can't count that, add it as silent */
1778                         nTabs --;
1779                 }
1780         }
1781
1782         StrTabbedDialog(Target, nTabs, TabNames);
1783         for (i = 0; i < ntabs; i++) {
1784                 StrBeginTab(Target, i, nTabs);
1785                 DoTemplate(TKEY(i * 2 + 1), Target, TP);
1786                 StrEndTab(Target, i, nTabs);
1787         }
1788 }
1789
1790
1791 /*-----------------------------------------------------------------------------
1792  *                      Sorting-API
1793  */
1794
1795
1796 void RegisterSortFunc(const char *name, long len,
1797                       const char *prepend, long preplen,
1798                       CompareFunc Forward,
1799                       CompareFunc Reverse,
1800                       CompareFunc GroupChange,
1801                       long ContextType)
1802 {
1803         SortStruct *NewSort = (SortStruct*) malloc(sizeof(SortStruct));
1804         NewSort->Name = NewStrBufPlain(name, len);
1805         if (prepend != NULL)
1806                 NewSort->PrefPrepend = NewStrBufPlain(prepend, preplen);
1807         else
1808                 NewSort->PrefPrepend = NULL;
1809         NewSort->Forward = Forward;
1810         NewSort->Reverse = Reverse;
1811         NewSort->GroupChange = GroupChange;
1812         NewSort->ContextType = ContextType;
1813         Put(SortHash, name, len, NewSort, DestroySortStruct);
1814 }
1815
1816 CompareFunc RetrieveSort(WCTemplputParams *TP,
1817                          const char *OtherPrefix, long OtherPrefixLen,
1818                          const char *Default, long ldefault, long DefaultDirection)
1819 {
1820         int isdefault = 0;
1821         const StrBuf *BSort = NULL;
1822         SortStruct *SortBy;
1823         void *vSortBy;
1824         long SortOrder = -1;
1825
1826         if (havebstr("SortBy")) {
1827                 BSort = sbstr("SortBy");
1828                 if (OtherPrefix == NULL) {
1829                         set_room_pref("sort", NewStrBufDup(BSort), 0);
1830                 }
1831                 else {
1832                         set_X_PREFS(HKEY("sort"), OtherPrefix, OtherPrefixLen, NewStrBufDup(BSort), 0);
1833                 }
1834         }
1835         else { /** Try to fallback to our remembered values... */
1836                 if (OtherPrefix == NULL) {
1837                         BSort = get_room_pref("sort");
1838                 }
1839                 else {
1840                         BSort = get_X_PREFS(HKEY("sort"), OtherPrefix, OtherPrefixLen);
1841                 }
1842                 if (BSort != NULL)
1843                         putbstr("SortBy", NewStrBufDup(BSort));
1844                 else {
1845                         StrBuf *Buf;
1846
1847                         BSort = Buf = NewStrBufPlain(Default, ldefault);
1848                         putbstr("SortBy", Buf);
1849                 }
1850         }
1851
1852         if (!GetHash(SortHash, SKEY(BSort), &vSortBy) ||
1853             (vSortBy == NULL)) {
1854                 isdefault = 1;
1855                 if (!GetHash(SortHash, Default, ldefault, &vSortBy) ||
1856                     (vSortBy == NULL)) {
1857                         LogTemplateError(
1858                                 NULL, "Sorting", ERR_PARM1, TP,
1859                                 "Illegal default sort: [%s]", Default);
1860                         wc_backtrace();
1861                 }
1862         }
1863         SortBy = (SortStruct*)vSortBy;
1864
1865         /** Ok, its us, lets see in which direction we should sort... */
1866         if (havebstr("SortOrder")) {
1867                 SortOrder = LBSTR("SortOrder");
1868         }
1869         else { /** Try to fallback to our remembered values... */
1870                 StrBuf *Buf = NULL;
1871                 if (SortBy->PrefPrepend == NULL) {
1872                         Buf = get_room_pref("SortOrder");
1873                         SortOrder = StrTol(Buf);
1874                 }
1875                 else {
1876                         BSort = get_X_PREFS(HKEY("SortOrder"), OtherPrefix, OtherPrefixLen);
1877                 }
1878
1879                 if (Buf == NULL)
1880                         SortOrder = DefaultDirection;
1881
1882                 Buf = NewStrBufPlain(NULL, 64);
1883                 StrBufPrintf(Buf, "%ld", SortOrder);
1884                 putbstr("SortOrder", Buf);
1885         }
1886         switch (SortOrder) {
1887         default:
1888         case 0:
1889                 return NULL;
1890         case 1:
1891                 return SortBy->Forward;
1892         case 2:
1893                 return SortBy->Reverse;
1894         }
1895 }
1896
1897
1898 enum {
1899         eNO_SUCH_SORT,
1900         eNOT_SPECIFIED,
1901         eINVALID_PARAM,
1902         eFOUND
1903 };
1904
1905 ConstStr SortIcons[] = {
1906         {HKEY("static/sort_none.gif")},
1907         {HKEY("static/up_pointer.gif")},
1908         {HKEY("static/down_pointer.gif")},
1909 };
1910
1911 ConstStr SortNextOrder[] = {
1912         {HKEY("1")},
1913         {HKEY("2")},
1914         {HKEY("0")},
1915 };
1916
1917
1918 int GetSortMetric(WCTemplputParams *TP, SortStruct **Next, SortStruct **Param, long *SortOrder, int N)
1919 {
1920         int bSortError = eNOT_SPECIFIED;
1921         const StrBuf *BSort;
1922         void *vSort;
1923
1924         *SortOrder = 0;
1925         *Next = NULL;
1926         if (!GetHash(SortHash, TKEY(0), &vSort) ||
1927             (vSort == NULL))
1928                 return eNO_SUCH_SORT;
1929         *Param = (SortStruct*) vSort;
1930
1931
1932         if (havebstr("SortBy")) {
1933                 BSort = sbstr("SortBy");
1934                 bSortError = eINVALID_PARAM;
1935                 if ((*Param)->PrefPrepend == NULL) {
1936                         set_room_pref("sort", NewStrBufDup(BSort), 0);
1937                 }
1938                 else {
1939                         set_X_PREFS(HKEY("sort"), TKEY(N), NewStrBufDup(BSort), 0);
1940                 }
1941         }
1942         else { /** Try to fallback to our remembered values... */
1943                 if ((*Param)->PrefPrepend == NULL) {
1944                         BSort = get_room_pref("sort");
1945                 }
1946                 else {
1947                         BSort = get_X_PREFS(HKEY("sort"), TKEY(N));
1948                 }
1949         }
1950
1951         if (!GetHash(SortHash, SKEY(BSort), &vSort) ||
1952             (vSort == NULL))
1953                 return bSortError;
1954
1955         *Next = (SortStruct*) vSort;
1956
1957         /** Ok, its us, lets see in which direction we should sort... */
1958         if (havebstr("SortOrder")) {
1959                 *SortOrder = LBSTR("SortOrder");
1960         }
1961         else { /** Try to fallback to our remembered values... */
1962                 if ((*Param)->PrefPrepend == NULL) {
1963                         *SortOrder = StrTol(get_room_pref("SortOrder"));
1964                 }
1965                 else {
1966                         *SortOrder = StrTol(get_X_PREFS(HKEY("SortOrder"), TKEY(N)));
1967                 }
1968         }
1969         if (*SortOrder > 2)
1970                 *SortOrder = 0;
1971
1972         return eFOUND;
1973 }
1974
1975
1976 void tmplput_SORT_ICON(StrBuf *Target, WCTemplputParams *TP)
1977 {
1978         long SortOrder;
1979         SortStruct *Next;
1980         SortStruct *Param;
1981         const ConstStr *SortIcon;
1982
1983         switch (GetSortMetric(TP, &Next, &Param, &SortOrder, 2)){
1984         case eNO_SUCH_SORT:
1985                 LogTemplateError(
1986                         Target, "Sorter", ERR_PARM1, TP,
1987                         " Sorter [%s] unknown!",
1988                         TP->Tokens->Params[0]->Start);
1989                 break;
1990         case eINVALID_PARAM:
1991                 LogTemplateError(NULL, "Sorter", ERR_PARM1, TP,
1992                                  " Sorter specified by BSTR 'SortBy' [%s] unknown!",
1993                                  bstr("SortBy"));
1994         case eNOT_SPECIFIED:
1995         case eFOUND:
1996                 if (Next == Param) {
1997                         SortIcon = &SortIcons[SortOrder];
1998                 }
1999                 else { /** Not Us... */
2000                         SortIcon = &SortIcons[0];
2001                 }
2002                 StrBufAppendBufPlain(Target, SortIcon->Key, SortIcon->len, 0);
2003         }
2004 }
2005
2006 void tmplput_SORT_NEXT(StrBuf *Target, WCTemplputParams *TP)
2007 {
2008         long SortOrder;
2009         SortStruct *Next;
2010         SortStruct *Param;
2011
2012         switch (GetSortMetric(TP, &Next, &Param, &SortOrder, 2)){
2013         case eNO_SUCH_SORT:
2014                 LogTemplateError(
2015                         Target, "Sorter", ERR_PARM1, TP,
2016                         " Sorter [%s] unknown!",
2017                         TP->Tokens->Params[0]->Start);
2018                 break;
2019         case eINVALID_PARAM:
2020                 LogTemplateError(
2021                         NULL, "Sorter", ERR_PARM1, TP,
2022                         " Sorter specified by BSTR 'SortBy' [%s] unknown!",
2023                         bstr("SortBy"));
2024         case eNOT_SPECIFIED:
2025         case eFOUND:
2026                 StrBufAppendBuf(Target, Param->Name, 0);
2027
2028         }
2029 }
2030
2031 void tmplput_SORT_ORDER(StrBuf *Target, WCTemplputParams *TP)
2032 {
2033         long SortOrder;
2034         const ConstStr *SortOrderStr;
2035         SortStruct *Next;
2036         SortStruct *Param;
2037
2038         switch (GetSortMetric(TP, &Next, &Param, &SortOrder, 2)){
2039         case eNO_SUCH_SORT:
2040                 LogTemplateError(
2041                         Target, "Sorter", ERR_PARM1, TP,
2042                         " Sorter [%s] unknown!",
2043                         TP->Tokens->Params[0]->Start);
2044                 break;
2045         case eINVALID_PARAM:
2046                 LogTemplateError(
2047                         NULL, "Sorter", ERR_PARM1, TP,
2048                         " Sorter specified by BSTR 'SortBy' [%s] unknown!",
2049                         bstr("SortBy"));
2050         case eNOT_SPECIFIED:
2051         case eFOUND:
2052                 if (Next == Param) {
2053                         SortOrderStr = &SortNextOrder[SortOrder];
2054                 }
2055                 else { /** Not Us... */
2056                         SortOrderStr = &SortNextOrder[0];
2057                 }
2058                 StrBufAppendBufPlain(Target, SortOrderStr->Key, SortOrderStr->len, 0);
2059         }
2060 }
2061
2062
2063 void tmplput_long_vector(StrBuf *Target, WCTemplputParams *TP)
2064 {
2065         long *LongVector = (long*) CTX;
2066
2067         if ((TP->Tokens->Params[0]->Type == TYPE_LONG) &&
2068             (TP->Tokens->Params[0]->lvalue <= LongVector[0]))
2069         {
2070                 StrBufAppendPrintf(Target, "%ld", LongVector[TP->Tokens->Params[0]->lvalue]);
2071         }
2072         else
2073         {
2074                 if (TP->Tokens->Params[0]->Type != TYPE_LONG) {
2075                         LogTemplateError(
2076                                 Target, "Longvector", ERR_NAME, TP,
2077                                 "needs a numerical Parameter!");
2078                 }
2079                 else {
2080                         LogTemplateError(
2081                                 Target, "LongVector", ERR_PARM1, TP,
2082                                 "doesn't have %ld Parameters, its just the size of %ld!",
2083                                 TP->Tokens->Params[0]->lvalue,
2084                                 LongVector[0]);
2085                 }
2086         }
2087 }
2088
2089 void dbg_print_longvector(long *LongVector)
2090 {
2091         StrBuf *Buf = NewStrBufPlain(HKEY("Longvector: ["));
2092         int nItems = LongVector[0];
2093         int i;
2094
2095         for (i = 0; i < nItems; i++) {
2096                 if (i + 1 < nItems)
2097                         StrBufAppendPrintf(Buf, "%d: %ld | ", i, LongVector[i]);
2098                 else
2099                         StrBufAppendPrintf(Buf, "%d: %ld]\n", i, LongVector[i]);
2100
2101         }
2102         lprintf(1, ChrPtr(Buf));
2103         FreeStrBuf(&Buf);
2104 }
2105
2106 int ConditionalLongVector(StrBuf *Target, WCTemplputParams *TP)
2107 {
2108         long *LongVector = (long*) CTX;
2109
2110         if ((TP->Tokens->Params[2]->Type == TYPE_LONG) &&
2111             (TP->Tokens->Params[2]->lvalue <= LongVector[0])&&
2112             (TP->Tokens->Params[3]->Type == TYPE_LONG) &&
2113             (TP->Tokens->Params[3]->lvalue <= LongVector[0]))
2114         {
2115                 return LongVector[TP->Tokens->Params[2]->lvalue] ==
2116                         LongVector[TP->Tokens->Params[3]->lvalue];
2117         }
2118         else
2119         {
2120                 if ((TP->Tokens->Params[2]->Type == TYPE_LONG) ||
2121                     (TP->Tokens->Params[2]->Type == TYPE_LONG)) {
2122                         LogTemplateError(
2123                                 Target, "ConditionalLongvector", ERR_PARM1, TP,
2124                                 "needs two long Parameter!");
2125                 }
2126                 else {
2127                         LogTemplateError(
2128                                 Target, "Longvector", ERR_PARM1, TP,
2129                                 "doesn't have %ld / %ld Parameters, its just the size of %ld!",
2130                                 TP->Tokens->Params[2]->lvalue,
2131                                 TP->Tokens->Params[3]->lvalue,
2132                                 LongVector[0]);
2133                 }
2134         }
2135         return 0;
2136 }
2137
2138 void
2139 InitModule_SUBST
2140 (void)
2141 {
2142         memset(&NoCtx, 0, sizeof(WCTemplputParams));
2143         RegisterNamespace("SORT:ICON", 1, 2, tmplput_SORT_ICON, CTX_NONE);
2144         RegisterNamespace("SORT:ORDER", 1, 2, tmplput_SORT_ORDER, CTX_NONE);
2145         RegisterNamespace("SORT:NEXT", 1, 2, tmplput_SORT_NEXT, CTX_NONE);
2146         RegisterNamespace("CONTEXTSTR", 0, 1, tmplput_ContextString, CTX_STRBUF);
2147         RegisterNamespace("ITERATE", 2, 100, tmpl_iterate_subtmpl, CTX_NONE);
2148         RegisterNamespace("DOBOXED", 1, 2, tmpl_do_boxed, CTX_NONE);
2149         RegisterNamespace("DOTABBED", 2, 100, tmpl_do_tabbed, CTX_NONE);
2150         RegisterNamespace("LONGVECTOR", 1, 1, tmplput_long_vector, CTX_LONGVECTOR);
2151         RegisterConditional(HKEY("COND:SUBST"), 3, ConditionalVar, CTX_NONE);
2152         RegisterConditional(HKEY("COND:CONTEXTSTR"), 3, ConditionalContextStr, CTX_STRBUF);
2153         RegisterConditional(HKEY("COND:LONGVECTOR"), 4, ConditionalLongVector, CTX_LONGVECTOR);
2154 }
2155
2156 /*@}*/