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
  37 #define SV_GETTEXT 1
  38 #define SV_CONDITIONAL 2
  39 #define SV_NEG_CONDITIONAL 3
  40 #define SV_CUST_STR_CONDITIONAL 4
  41 #define SV_SUBTEMPL 5
  42 #define SV_PREEVALUATED 6
  43
  44 typedef struct _WCTemplate {
  45         StrBuf *Data;
  46         StrBuf *FileName;
  47         int nTokensUsed;
  48         int TokenSpace;
  49         WCTemplateToken **Tokens;
  50 } WCTemplate;
  51
  52 typedef struct _HashHandler {
  53         int nMinArgs;
  54         int nMaxArgs;
  55         int ContextRequired;
  56         WCHandlerFunc HandlerFunc;
  57 }HashHandler;
  58
  59 void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere);
  60 int EvaluateConditional(StrBuf *Target, WCTemplateToken *Tokens, WCTemplate *pTmpl, void *Context, int Neg, int state, int ContextType);
  61
  62 void RegisterNS(const char *NSName,
  63                 long len,
  64                 int nMinArgs,
  65                 int nMaxArgs,
  66                 WCHandlerFunc HandlerFunc,
  67                 int ContextRequired)
  68 {
  69         HashHandler *NewHandler;
  70
  71         NewHandler = (HashHandler*) malloc(sizeof(HashHandler));
  72         NewHandler->nMinArgs = nMinArgs;
  73         NewHandler->nMaxArgs = nMaxArgs;
  74         NewHandler->HandlerFunc = HandlerFunc;
  75         NewHandler->ContextRequired = ContextRequired;
  76         Put(GlobalNS, NSName, len, NewHandler, NULL);
  77 }
  78
  79 void FreeToken(WCTemplateToken **Token)
  80 {
  81         int i;
  82         FreeStrBuf(&(*Token)->FlatToken);
  83         if ((*Token)->HaveParameters)
  84                 for (i = 0; i < (*Token)->nParameters; i++)
  85                         free((*Token)->Params[i]);
  86         free(*Token);
  87         *Token = NULL;
  88 }
  89
  90
  91
  92 void FreeWCTemplate(void *vFreeMe)
  93 {
  94         int i;
  95         WCTemplate *FreeMe = (WCTemplate*)vFreeMe;
  96
  97         if (FreeMe->TokenSpace > 0) {
  98                 for (i = 0; i < FreeMe->nTokensUsed; i ++) {
  99                         FreeToken(&FreeMe->Tokens[i]);
 100                 }
 101                 free(FreeMe->Tokens);
 102         }
 103         FreeStrBuf(&FreeMe->FileName);
 104         FreeStrBuf(&FreeMe->Data);
 105         free(FreeMe);
 106 }
 107
 108
 109 /**
 110  * \brief debugging function to print array to log
 111  */
 112 void VarPrintTransition(void *vVar1, void *vVar2, int odd){}
 113 /**
 114  * \brief debugging function to print array to log
 115  */
 116 void VarPrintEntry(const char *Key, void *vSubst, int odd)
 117 {
 118         wcsubst *ptr;
 119         lprintf(1,"Subst[%s] : ", Key);
 120         ptr = (wcsubst*) vSubst;
 121
 122         switch(ptr->wcs_type) {
 123         case WCS_STRING:
 124                 lprintf(1, "  -> %s\n", ChrPtr(ptr->wcs_value));
 125                 break;
 126         case WCS_SERVCMD:
 127                 lprintf(1, "  -> Server [%s]\n", ChrPtr(ptr->wcs_value));
 128                 break;
 129         case WCS_FUNCTION:
 130                 lprintf(1, "  -> function at [%0xd]\n", ptr->wcs_function);
 131                 break;
 132         default:
 133                 lprintf(1,"  WARNING: invalid type: [%ld]!\n", ptr->wcs_type);
 134         }
 135 }
 136
 137
 138
 139 /**
 140  * \brief Clear out the list of substitution variables local to this session
 141  */
 142 void clear_substs(wcsession *wc) {
 143
 144         if (wc->vars != NULL) {
 145                 DeleteHash(&wc->vars);
 146         }
 147 }
 148
 149 /**
 150  * \brief Clear out the list of substitution variables local to this session
 151  */
 152 void clear_local_substs(void) {
 153         clear_substs (WC);
 154 }
 155
 156 int NeedNewBuf(type)
 157 {
 158         switch(type) {
 159         case WCS_STRING:
 160         case WCS_SERVCMD:
 161         case WCS_STRBUF:
 162                 return 1;
 163         case WCS_FUNCTION:
 164         case WCS_STRBUF_REF:
 165         case WCS_LONG:
 166         default:
 167                 return 0;
 168         }
 169 }
 170
 171 void FlushPayload(wcsubst *ptr, int reusestrbuf, int type)
 172 {
 173         int NeedNew = NeedNewBuf(type);
 174         switch(ptr->wcs_type) {
 175         case WCS_STRING:
 176         case WCS_SERVCMD:
 177         case WCS_STRBUF:
 178                 if (reusestrbuf && NeedNew) {
 179                         FlushStrBuf(ptr->wcs_value);
 180                 }
 181                 else {
 182
 183                         FreeStrBuf(&ptr->wcs_value);
 184                         ptr->wcs_value = NULL;
 185                 }
 186                 break;
 187         case WCS_FUNCTION:
 188                 ptr->wcs_function = NULL;
 189                 if (reusestrbuf && NeedNew)
 190                         ptr->wcs_value = NewStrBuf();
 191                 break;
 192         case WCS_STRBUF_REF:
 193                 ptr->wcs_value = NULL;
 194                 if (reusestrbuf && NeedNew)
 195                         ptr->wcs_value = NewStrBuf();
 196                 break;
 197         case WCS_LONG:
 198                 ptr->lvalue = 0;
 199                 if (reusestrbuf && NeedNew)
 200                         ptr->wcs_value = NewStrBuf();
 201                 break;
 202         default:
 203                 if (reusestrbuf && NeedNew)
 204                         ptr->wcs_value = NewStrBuf();
 205                 break;
 206         }
 207 }
 208
 209
 210 /**
 211  * \brief destructor; kill one entry.
 212  */
 213 void deletevar(void *data)
 214 {
 215         wcsubst *ptr = (wcsubst*)data;
 216         FlushPayload(ptr, 0, ptr->wcs_type);
 217         free(ptr);
 218 }
 219
 220
 221 wcsubst *NewSubstVar(const char *keyname, int keylen, int type)
 222 {
 223         wcsubst* ptr;
 224         wcsession *WCC = WC;
 225
 226         ptr = (wcsubst *) malloc(sizeof(wcsubst));
 227         memset(ptr, 0, sizeof(wcsubst));
 228
 229         ptr->wcs_type = type;
 230         safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
 231         Put(WCC->vars, keyname, keylen, ptr,  deletevar);
 232
 233         switch(ptr->wcs_type) {
 234         case WCS_STRING:
 235         case WCS_SERVCMD:
 236                 ptr->wcs_value = NewStrBuf();
 237                 break;
 238         case WCS_STRBUF:
 239         case WCS_FUNCTION:
 240         case WCS_STRBUF_REF:
 241         case WCS_LONG:
 242         default:
 243                 break;
 244         }
 245         return ptr;
 246 }
 247
 248
 249 /**
 250  * \brief Add a substitution variable (local to this session) (strlen version...)
 251  * \param keyname the replacementstring to substitute
 252  * \param keytype the kind of the key
 253  * \param format the format string ala printf
 254  * \param ... the arguments to substitute in the formatstring
 255  */
 256 void SVPRINTF(char *keyname, int keytype, const char *format,...)
 257 {
 258         va_list arg_ptr;
 259         void *vPtr;
 260         wcsubst *ptr = NULL;
 261         size_t keylen;
 262         wcsession *WCC = WC;
 263
 264         keylen = strlen(keyname);
 265         /**
 266          * First look if we're doing a replacement of
 267          * an existing key
 268          */
 269         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 270         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 271                 ptr = (wcsubst*)vPtr;
 272                 FlushPayload(ptr, keytype, keytype);
 273                 ptr->wcs_type = keytype;
 274         }
 275         else    /** Otherwise allocate a new one */
 276         {
 277                 ptr = NewSubstVar(keyname, keylen, keytype);
 278         }
 279
 280         /** Format the string */
 281         va_start(arg_ptr, format);
 282         StrBufVAppendPrintf(ptr->wcs_value, format, arg_ptr);
 283         va_end(arg_ptr);
 284 }
 285
 286 /**
 287  * \brief Add a substitution variable (local to this session)
 288  * \param keyname the replacementstring to substitute
 289  * \param keytype the kind of the key
 290  * \param format the format string ala printf
 291  * \param ... the arguments to substitute in the formatstring
 292  */
 293 void svprintf(char *keyname, size_t keylen, int keytype, const char *format,...)
 294 {
 295         va_list arg_ptr;
 296         void *vPtr;
 297         wcsubst *ptr = NULL;
 298         wcsession *WCC = WC;
 299
 300         /**
 301          * First look if we're doing a replacement of
 302          * an existing key
 303          */
 304         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 305         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 306                 ptr = (wcsubst*)vPtr;
 307                 FlushPayload(ptr, 1, keytype);
 308                 ptr->wcs_type = keytype;
 309         }
 310         else    /** Otherwise allocate a new one */
 311         {
 312                 ptr = NewSubstVar(keyname, keylen, keytype);
 313         }
 314
 315         /** Format the string and save it */
 316         va_start(arg_ptr, format);
 317         StrBufVAppendPrintf(ptr->wcs_value, format, arg_ptr);
 318         va_end(arg_ptr);
 319 }
 320
 321 /**
 322  * \brief Add a substitution variable (local to this session)
 323  * \param keyname the replacementstring to substitute
 324  * \param keytype the kind of the key
 325  * \param format the format string ala printf
 326  * \param ... the arguments to substitute in the formatstring
 327  */
 328 void SVPut(char *keyname, size_t keylen, int keytype, char *Data)
 329 {
 330         void *vPtr;
 331         wcsubst *ptr = NULL;
 332         wcsession *WCC = WC;
 333
 334
 335         /**
 336          * First look if we're doing a replacement of
 337          * an existing key
 338          */
 339         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 340         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 341                 ptr = (wcsubst*)vPtr;
 342                 FlushPayload(ptr, 1, keytype);
 343                 ptr->wcs_type = keytype;
 344         }
 345         else    /** Otherwise allocate a new one */
 346         {
 347                 ptr = NewSubstVar(keyname, keylen, keytype);
 348         }
 349         StrBufAppendBufPlain(ptr->wcs_value, Data, -1, 0);
 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 SVPutLong(char *keyname, size_t keylen, long Data)
 360 {
 361         void *vPtr;
 362         wcsubst *ptr = NULL;
 363         wcsession *WCC = WC;
 364
 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, WCS_LONG);
 374                 ptr->wcs_type = WCS_LONG;
 375         }
 376         else    /** Otherwise allocate a new one */
 377         {
 378                 ptr = NewSubstVar(keyname, keylen, WCS_LONG);
 379         }
 380         ptr->lvalue = Data;
 381 }
 382
 383 /**
 384  * \brief Add a substitution variable (local to this session) that does a callback
 385  * \param keyname the keystring to substitute
 386  * \param fcn_ptr the function callback to give the substitution string
 387  */
 388 void SVCallback(char *keyname, size_t keylen, WCHandlerFunc fcn_ptr)
 389 {
 390         wcsubst *ptr;
 391         void *vPtr;
 392         wcsession *WCC = WC;
 393
 394         /**
 395          * First look if we're doing a replacement of
 396          * an existing key
 397          */
 398         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 399         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 400                 ptr = (wcsubst*)vPtr;
 401                 FlushPayload(ptr, 1, WCS_FUNCTION);
 402                 ptr->wcs_type = WCS_FUNCTION;
 403         }
 404         else    /** Otherwise allocate a new one */
 405         {
 406                 ptr = NewSubstVar(keyname, keylen, WCS_FUNCTION);
 407         }
 408
 409         ptr->wcs_function = fcn_ptr;
 410 }
 411 inline void SVCALLBACK(char *keyname, WCHandlerFunc fcn_ptr)
 412 {
 413         SVCallback(keyname, strlen(keyname), fcn_ptr);
 414 }
 415
 416
 417
 418 void SVPUTBuf(const char *keyname, int keylen, const StrBuf *Buf, int ref)
 419 {
 420         wcsubst *ptr;
 421         void *vPtr;
 422         wcsession *WCC = WC;
 423
 424         /**
 425          * First look if we're doing a replacement of
 426          * an existing key
 427          */
 428         /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 429         if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
 430                 ptr = (wcsubst*)vPtr;
 431                 FlushPayload(ptr, 0, (ref)?WCS_STRBUF_REF:WCS_STRBUF);
 432                 ptr->wcs_type = (ref)?WCS_STRBUF_REF:WCS_STRBUF;
 433         }
 434         else    /** Otherwise allocate a new one */
 435         {
 436                 ptr = NewSubstVar(keyname, keylen, (ref)?WCS_STRBUF_REF:WCS_STRBUF);
 437         }
 438         ptr->wcs_value = (StrBuf*)Buf;
 439 }
 440
 441 /**
 442  * \brief back end for print_value_of() ... does a server command
 443  * \param servcmd server command to execute on the citadel server
 444  */
 445 void pvo_do_cmd(StrBuf *Target, StrBuf *servcmd) {
 446         char buf[SIZ];
 447         int len;
 448
 449         serv_puts(ChrPtr(servcmd));
 450         len = serv_getln(buf, sizeof buf);
 451
 452         switch(buf[0]) {
 453                 case '2':
 454                 case '3':
 455                 case '5':
 456                         StrBufAppendPrintf(Target, "%s\n", &buf[4]);
 457                         break;
 458                 case '1':
 459                         _fmout(Target, "CENTER");
 460                         break;
 461                 case '4':
 462                         StrBufAppendPrintf(Target, "%s\n", &buf[4]);
 463                         serv_puts("000");
 464                         break;
 465         }
 466 }
 467
 468 void GetTemplateTokenString(WCTemplateToken *Tokens,
 469                             int N,
 470                             const char **Value,
 471                             long *len)
 472 {
 473         StrBuf *Buf;
 474
 475         if (Tokens->nParameters < N) {
 476                 *Value = "";
 477                 *len = 0;
 478                 return;
 479         }
 480
 481         switch (Tokens->Params[N]->Type) {
 482
 483         case TYPE_STR:
 484                 *Value = Tokens->Params[N]->Start;
 485                 *len = Tokens->Params[N]->len;
 486                 break;
 487         case TYPE_BSTR:
 488                 Buf = (StrBuf*) SBstr(TKEY(N));
 489                 *Value = ChrPtr(Buf);
 490                 *len = StrLength(Buf);
 491                 break;
 492         case TYPE_PREFSTR:
 493                 get_PREFERENCE(TKEY(N), &Buf);
 494                 *Value = ChrPtr(Buf);
 495                 *len = StrLength(Buf);
 496                 break;
 497         case TYPE_LONG:
 498         case TYPE_PREFINT:
 499                 break; /* todo: string to text? */
 500         case TYPE_GETTEXT:
 501                 *Value = _(Tokens->Params[N]->Start);
 502                 *len = strlen(*Value);
 503                 break;
 504         default:
 505                 break;
 506 /*/todo log error */
 507         }
 508 }
 509
 510
 511
 512 /**
 513  * \brief Print the value of a variable
 514  * \param keyname get a key to print
 515  */
 516 void print_value_of(StrBuf *Target, WCTemplateToken *Tokens, void *Context, int ContextType) {
 517         wcsession *WCC = WC;
 518         wcsubst *ptr;
 519         void *vVar;
 520
 521         /*if (WCC->vars != NULL) PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
 522         /* TODO: depricated! */
 523         if (Tokens->pName[0] == '=') {
 524                 DoTemplate(Tokens->pName+1, Tokens->NameEnd - 1, NULL, NULL, 0);
 525         }
 526
 527 /*/////TODO: if param[1] == "U" -> urlescape
 528 /// X -> escputs */
 529         /** Page-local variables */
 530         if ((WCC->vars!= NULL) && GetHash(WCC->vars, Tokens->pName, Tokens->NameEnd, &vVar)) {
 531                 ptr = (wcsubst*) vVar;
 532                 switch(ptr->wcs_type) {
 533                 case WCS_STRING:
 534                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 535                         break;
 536                 case WCS_SERVCMD:
 537                         pvo_do_cmd(Target, ptr->wcs_value);
 538                         break;
 539                 case WCS_FUNCTION:
 540                         (*ptr->wcs_function) (Target, Tokens->nParameters, Tokens, Context, ContextType);
 541                         break;
 542                 case WCS_STRBUF:
 543                 case WCS_STRBUF_REF:
 544                         StrBufAppendBuf(Target, ptr->wcs_value, 0);
 545                         break;
 546                 case WCS_LONG:
 547                         StrBufAppendPrintf(Target, "%ld", ptr->lvalue);
 548                         break;
 549                 default:
 550                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n", Tokens->pName);
 551                         StrBufAppendPrintf(Target, "<pre>WARNING: \ninvalid value in SV-Hash at %s!\n</pre>", Tokens->pName);
 552                 }
 553         }
 554         else {
 555                 lprintf(1, "didn't find Handler [%s] (in '%s' line %ld); "
 556                         " [%s]\n",
 557                         Tokens->pName,
 558                         ChrPtr(Tokens->FileName),
 559                         Tokens->Line,
 560                         ChrPtr(Tokens->FlatToken));
 561                 wc_backtrace();
 562         }
 563 }
 564
 565 int CompareSubstToToken(TemplateParam *ParamToCompare, TemplateParam *ParamToLookup)
 566 {
 567         wcsession *WCC = WC;
 568         wcsubst *ptr;
 569         void *vVar;
 570
 571         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 572                                           ParamToLookup->len, &vVar)) {
 573                 ptr = (wcsubst*) vVar;
 574                 switch(ptr->wcs_type) {
 575                 case WCS_STRING:
 576                 case WCS_STRBUF:
 577                 case WCS_STRBUF_REF:
 578                         if (ParamToCompare->Type == TYPE_STR)
 579                                 return ((ParamToCompare->len == StrLength(ptr->wcs_value)) &&
 580                                         (strcmp(ParamToCompare->Start, ChrPtr(ptr->wcs_value)) == 0));
 581                         else
 582                                 return ParamToCompare->lvalue == StrTol(ptr->wcs_value);
 583                         break;
 584                 case WCS_SERVCMD:
 585                         return 1;
 586                         break;
 587                 case WCS_FUNCTION:
 588                         return 1;
 589                 case WCS_LONG:
 590                         if (ParamToCompare->Type == TYPE_STR)
 591                                 return 0;
 592                         else
 593                                 return ParamToCompare->lvalue == ptr->lvalue;
 594                         break;
 595                 default:
 596                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n",
 597                                 ParamToLookup->Start);
 598                 }
 599         }
 600         return 0;
 601 }
 602
 603 int CompareSubstToStrBuf(StrBuf *Compare, TemplateParam *ParamToLookup)
 604 {
 605         wcsession *WCC = WC;
 606         wcsubst *ptr;
 607         void *vVar;
 608
 609         if ((WCC->vars!= NULL) && GetHash(WCC->vars, ParamToLookup->Start,
 610                                           ParamToLookup->len, &vVar)) {
 611                 ptr = (wcsubst*) vVar;
 612                 switch(ptr->wcs_type) {
 613                 case WCS_STRING:
 614                 case WCS_STRBUF:
 615                 case WCS_STRBUF_REF:
 616                         return ((StrLength(Compare) == StrLength(ptr->wcs_value)) &&
 617                                 (strcmp(ChrPtr(Compare), ChrPtr(ptr->wcs_value)) == 0));
 618                 case WCS_SERVCMD:
 619                         return 1;
 620                         break;
 621                 case WCS_FUNCTION:
 622                         return 1;
 623                 case WCS_LONG:
 624                         return StrTol(Compare) == ptr->lvalue;
 625                 default:
 626                         lprintf(1,"WARNING: invalid value in SV-Hash at %s!\n",
 627                                 ParamToLookup->Start);
 628                 }
 629         }
 630         return 0;
 631 }
 632
 633
 634
 635 /**
 636  * \brief puts string into the template and computes which escape methon we should use
 637  * \param Source the string we should put into the template
 638  * \param FormatTypeIndex where should we look for escape types if?
 639  */
 640 void StrBufAppendTemplate(StrBuf *Target,
 641                           int nArgs,
 642                           WCTemplateToken *Tokens,
 643                           void *Context, int ContextType,
 644                           const StrBuf *Source, int FormatTypeIndex)
 645 {
 646         wcsession *WCC;
 647         StrBuf *Buf;
 648         char EscapeAs = ' ';
 649
 650         if ((FormatTypeIndex < Tokens->nParameters) &&
 651             (Tokens->Params[FormatTypeIndex]->Type == TYPE_STR) &&
 652             (Tokens->Params[FormatTypeIndex]->len == 1)) {
 653                 EscapeAs = *Tokens->Params[FormatTypeIndex]->Start;
 654         }
 655
 656         switch(EscapeAs)
 657         {
 658         case 'H':
 659                 WCC = WC;
 660                 Buf = NewStrBufPlain(NULL, StrLength(Source));
 661                 StrBuf_RFC822_to_Utf8(Buf,
 662                                       Source,
 663                                       (WCC!=NULL)? WCC->DefaultCharset : NULL,
 664                                       NULL);
 665                 StrEscAppend(Target, Buf, NULL, 0, 0);
 666                 FreeStrBuf(&Buf);
 667                 break;
 668         case 'X':
 669                 StrEscAppend(Target, Source, NULL, 0, 0);
 670                 break;
 671         default:
 672                 StrBufAppendBuf(Target, Source, 0);
 673         }
 674 }
 675
 676
 677 void PutNewToken(WCTemplate *Template, WCTemplateToken *NewToken)
 678 {
 679         if (Template->nTokensUsed + 1 >= Template->TokenSpace) {
 680                 if (Template->TokenSpace <= 0) {
 681                         Template->Tokens = (WCTemplateToken**)malloc(
 682                                 sizeof(WCTemplateToken*) * 10);
 683                         Template->TokenSpace = 10;
 684                 }
 685                 else {
 686                         WCTemplateToken **NewTokens;
 687                         NewTokens= (WCTemplateToken**)malloc(
 688                                 sizeof(WCTemplateToken*) *
 689                                 Template->TokenSpace * 2);
 690                         memcpy(NewTokens, Template->Tokens,
 691                                sizeof(WCTemplateToken*) * Template->nTokensUsed);
 692                         free(Template->Tokens);
 693                         Template->TokenSpace *= 2;
 694                         Template->Tokens = NewTokens;
 695                 }
 696         }
 697         Template->Tokens[(Template->nTokensUsed)++] = NewToken;
 698 }
 699
 700 TemplateParam *GetNextParameter(StrBuf *Buf, const char **pCh, const char *pe, WCTemplateToken *Tokens, WCTemplate *pTmpl)
 701 {
 702         const char *pch = *pCh;
 703         const char *pchs, *pche;
 704         TemplateParam *Parm = (TemplateParam *) malloc(sizeof(TemplateParam));
 705         char quote = '\0';
 706
 707
 708         Parm->Type = TYPE_STR;
 709
 710         /* Skip leading whitespaces */
 711         while ((*pch == ' ' )||
 712                (*pch == '\t')||
 713                (*pch == '\r')||
 714                (*pch == '\n')) pch ++;
 715
 716         if (*pch == ':') {
 717                 Parm->Type = TYPE_PREFSTR;
 718                 pch ++;
 719         }
 720         else if (*pch == ';') {
 721                 Parm->Type = TYPE_PREFINT;
 722                 pch ++;
 723         }
 724         else if (*pch == '_') {
 725                 Parm->Type = TYPE_GETTEXT;
 726                 pch ++;
 727         }
 728         else if (*pch == 'B') {
 729                 Parm->Type = TYPE_BSTR;
 730                 pch ++;
 731         }
 732
 733
 734         if (*pch == '"')
 735                 quote = '"';
 736         else if (*pch == '\'')
 737                 quote = '\'';
 738         if (quote != '\0') {
 739                 pch ++;
 740                 pchs = pch;
 741                 while (pch <= pe &&
 742                        ((*pch != quote) ||
 743                         ( (pch > pchs) && (*(pch - 1) == '\\'))
 744                                )) {
 745                         pch ++;
 746                 }
 747                 pche = pch;
 748                 if (*pch != quote) {
 749                         lprintf(1, "Error (in '%s' line %ld); "
 750                                 "evaluating template param [%s] in Token [%s]\n",
 751                                 ChrPtr(pTmpl->FileName),
 752                                 Tokens->Line,
 753                                 ChrPtr(Tokens->FlatToken),
 754                                 *pCh);
 755                         pch ++;
 756                         free(Parm);
 757                         return NULL;
 758                 }
 759                 else {
 760                         StrBufPeek(Buf, pch, -1, '\0');
 761                         if (LoadTemplates > 1) {
 762                                 lprintf(1, "DBG: got param [%s] %ld %ld\n",
 763                                         pchs, pche - pchs, strlen(pchs));
 764                         }
 765                         Parm->Start = pchs;
 766                         Parm->len = pche - pchs;
 767                         pch ++; /* move after trailing quote */
 768                 }
 769         }
 770         else {
 771                 Parm->Type = TYPE_LONG;
 772                 pchs = pch;
 773                 while ((pch <= pe) &&
 774                        (isdigit(*pch) ||
 775                         (*pch == '+') ||
 776                         (*pch == '-')))
 777                         pch ++;
 778                 pch ++;
 779                 if (pch - pchs > 1){
 780                         StrBufPeek(Buf, pch, -1, '\0');
 781                         Parm->lvalue = atol(pchs);
 782                         Parm->Start = pchs;
 783                         pch++;
 784                 }
 785                 else {
 786                         Parm->lvalue = 0;
 787                         lprintf(1, "Error (in '%s' line %ld); "
 788                                 "evaluating long template param [%s] in Token [%s]\n",
 789                                 ChrPtr(pTmpl->FileName),
 790                                 Tokens->Line,
 791                                 ChrPtr(Tokens->FlatToken),
 792                                 *pCh);
 793                         free(Parm);
 794                         return NULL;
 795                 }
 796         }
 797         while ((*pch == ' ' )||
 798                (*pch == '\t')||
 799                (*pch == '\r')||
 800                (*pch == ',' )||
 801                (*pch == '\n')) pch ++;
 802
 803         *pCh = pch;
 804         return Parm;
 805 }
 806
 807 WCTemplateToken *NewTemplateSubstitute(StrBuf *Buf,
 808                                        const char *pStart,
 809                                        const char *pTmplStart,
 810                                        const char *pTmplEnd,
 811                                        long Line,
 812                                        WCTemplate *pTmpl)
 813 {
 814         void *vVar;
 815         const char *pch;
 816         TemplateParam *Param;
 817         WCTemplateToken *NewToken = (WCTemplateToken*)malloc(sizeof(WCTemplateToken));
 818
 819         NewToken->FileName = pTmpl->FileName; /* to print meaningfull log messages... */
 820         NewToken->Flags = 0;
 821         NewToken->Line = Line + 1;
 822         NewToken->pTokenStart = pTmplStart;
 823         NewToken->TokenStart = pTmplStart - pStart;
 824         NewToken->TokenEnd =  (pTmplEnd - pStart) - NewToken->TokenStart;
 825         NewToken->pTokenEnd = pTmplEnd;
 826         NewToken->NameEnd = NewToken->TokenEnd - 2;
 827         NewToken->PreEval = NULL;
 828         NewToken->FlatToken = NewStrBufPlain(pTmplStart + 2, pTmplEnd - pTmplStart - 2);
 829
 830         StrBufPeek(Buf, pTmplStart, + 1, '\0');
 831         StrBufPeek(Buf, pTmplEnd, -1, '\0');
 832         pch = NewToken->pName = pTmplStart + 2;
 833
 834         NewToken->HaveParameters = 0;;
 835         NewToken->nParameters = 0;
 836
 837         while (pch < pTmplEnd - 1) {
 838                 if (*pch == '(') {
 839                         StrBufPeek(Buf, pch, -1, '\0');
 840                         NewToken->NameEnd = pch - NewToken->pName;
 841                         pch ++;
 842                         if (*(pTmplEnd - 1) != ')') {
 843                                 lprintf(1, "Warning, Non welformed Token; missing right parenthesis (in '%s' line %ld); "
 844                                         "[%s]\n",
 845                                         ChrPtr(pTmpl->FileName),
 846                                         NewToken->Line,
 847                                         ChrPtr(NewToken->FlatToken));
 848                         }
 849                         while (pch < pTmplEnd - 1) {
 850                                 Param = GetNextParameter(Buf, &pch, pTmplEnd - 1, NewToken, pTmpl);
 851                                 if (Param != NULL) {
 852                                         NewToken->HaveParameters = 1;
 853                                         if (NewToken->nParameters > MAXPARAM) {
 854                                                 lprintf(1, "Error (in '%s' line %ld); "
 855                                                         "only [%ld] Params allowed in Tokens [%s]\n",
 856                                                         ChrPtr(pTmpl->FileName),
 857                                                         NewToken->Line,
 858                                                         MAXPARAM,
 859                                                         ChrPtr(NewToken->FlatToken));
 860                                                 free(Param);
 861                                                 FreeToken(&NewToken);
 862                                                 return NULL;
 863                                         }
 864                                         NewToken->Params[NewToken->nParameters++] = Param;
 865                                 }
 866                                 else break;
 867                         }
 868                         if((NewToken->NameEnd == 1) &&
 869                            (NewToken->HaveParameters == 1))
 870
 871                         {
 872                                 if (*(NewToken->pName) == '_')
 873                                         NewToken->Flags = SV_GETTEXT;
 874                                 else if (*(NewToken->pName) == '=')
 875                                         NewToken->Flags = SV_SUBTEMPL;
 876                                 else if (*(NewToken->pName) == '%')
 877                                         NewToken->Flags = SV_CUST_STR_CONDITIONAL;
 878                                 else if (*(NewToken->pName) == '?')
 879                                         NewToken->Flags = SV_CONDITIONAL;
 880                                 else if (*(NewToken->pName) == '!')
 881                                         NewToken->Flags = SV_NEG_CONDITIONAL;
 882                         }
 883                 }
 884                 else pch ++;
 885         }
 886
 887         switch (NewToken->Flags) {
 888         case 0:
 889                 /* If we're able to find out more about the token, do it now while its fresh. */
 890                 if (GetHash(GlobalNS, NewToken->pName, NewToken->NameEnd, &vVar)) {
 891                         HashHandler *Handler;
 892                         Handler = (HashHandler*) vVar;
 893                         if ((NewToken->nParameters < Handler->nMinArgs) ||
 894                             (NewToken->nParameters > Handler->nMaxArgs)) {
 895                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
 896                                         "doesn't work with %ld params [%s]\n",
 897                                         NewToken->pName,
 898                                         ChrPtr(pTmpl->FileName),
 899                                         NewToken->Line,
 900                                         NewToken->nParameters,
 901                                         ChrPtr(NewToken->FlatToken));
 902                         }
 903                         else {
 904                                 NewToken->PreEval = Handler;
 905                                 NewToken->Flags = SV_PREEVALUATED;
 906                         }
 907                 }
 908                 break;
 909         case SV_GETTEXT:
 910                 if (NewToken->nParameters !=1) {
 911                         lprintf(1, "Gettext (in '%s' line %ld); "
 912                                 "requires exactly 1 parameter, you gave %ld params [%s]\n",
 913                                 ChrPtr(pTmpl->FileName),
 914                                 NewToken->Line,
 915                                 NewToken->nParameters,
 916                                 ChrPtr(NewToken->FlatToken));
 917                         NewToken->Flags = 0;
 918                         break;
 919                 }
 920                 break;
 921         case SV_SUBTEMPL:
 922                 if (NewToken->nParameters != 1) {
 923                         lprintf(1, "Subtemplates (in '%s' line %ld); "
 924                                 "require exactly 1 parameter, you gave %ld params [%s]\n",
 925                                 ChrPtr(pTmpl->FileName),
 926                                 NewToken->Line,
 927                                 NewToken->nParameters,
 928                                 ChrPtr(NewToken->FlatToken));
 929                         break;
 930                 }
 931                 break;
 932         case SV_CUST_STR_CONDITIONAL:
 933         case SV_CONDITIONAL:
 934         case SV_NEG_CONDITIONAL:
 935                 if (NewToken->nParameters <2) {
 936                         lprintf(1, "Conditional (in '%s' line %ld); "
 937                                 "require at least 2 parameters, you gave %ld params [%s]\n",
 938                                 ChrPtr(pTmpl->FileName),
 939                                 NewToken->Line,
 940                                 NewToken->nParameters,
 941                                 ChrPtr(NewToken->FlatToken));
 942                         NewToken->Flags = 0;
 943                         break;
 944                 }
 945                 if (NewToken->Params[1]->lvalue == 0) {
 946                         lprintf(1, "Conditional (in '%s' line %ld); "
 947                                 "Conditional ID mustn't be 0! [%s]\n",
 948                                 ChrPtr(pTmpl->FileName),
 949                                 NewToken->Line,
 950                                 ChrPtr(NewToken->FlatToken));
 951                         NewToken->Flags = 0;
 952                         break;
 953                 }
 954                 if (!GetHash(Conditionals,
 955                              NewToken->Params[0]->Start,
 956                              NewToken->Params[0]->len,
 957                              &vVar) ||
 958                     (vVar == NULL)) {
 959                         if ((NewToken->Params[0]->len == 1) &&
 960                             (NewToken->Params[0]->Start[0] == 'X'))
 961                                 break;
 962                         lprintf(1, "Conditional [%s] (in '%s' line %ld); Not found![%s]\n",
 963                                 NewToken->Params[0]->Start,
 964                                 ChrPtr(pTmpl->FileName),
 965                                 NewToken->Line,
 966                                 ChrPtr(NewToken->FlatToken));
 967 /*
 968                         NewToken->Error = NewStrBuf();
 969                         StrBufAppendPrintf(
 970                                 NewToken->Error,
 971                                 "<pre>\nConditional [%s] (in '%s' line %ld); Not found!\n[%s]\n</pre>\n",
 972                                 NewToken->Params[0]->Start,
 973                                 ChrPtr(pTmpl->FileName),
 974                                 NewToken->Line,
 975                                 ChrPtr(NewToken->FlatToken));
 976 */
 977                 }
 978                 else {
 979                         NewToken->PreEval = vVar;
 980                 }
 981                 break;
 982         }
 983         return NewToken;
 984 }
 985
 986
 987
 988
 989
 990 /**
 991  * \brief Display a variable-substituted template
 992  * \param templatename template file to load
 993  */
 994 void *prepare_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
 995 {
 996         WCTemplate *NewTemplate;
 997         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
 998         NewTemplate->Data = NULL;
 999         NewTemplate->FileName = NewStrBufDup(filename);
1000         NewTemplate->nTokensUsed = 0;
1001         NewTemplate->TokenSpace = 0;
1002         NewTemplate->Tokens = NULL;
1003
1004         Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1005         return NewTemplate;
1006 }
1007
1008 /**
1009  * \brief Display a variable-substituted template
1010  * \param templatename template file to load
1011  */
1012 void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
1013 {
1014         int fd;
1015         struct stat statbuf;
1016         const char *pS, *pE, *pch, *Err;
1017         long Line;
1018         int pos;
1019         WCTemplate *NewTemplate;
1020
1021         fd = open(ChrPtr(filename), O_RDONLY);
1022         if (fd <= 0) {
1023                 lprintf(1, "ERROR: could not open template '%s' - %s\n",
1024                         ChrPtr(filename), strerror(errno));
1025                 return NULL;
1026         }
1027
1028         if (fstat(fd, &statbuf) == -1) {
1029                 lprintf(1, "ERROR: could not stat template '%s' - %s\n",
1030                         ChrPtr(filename), strerror(errno));
1031                 return NULL;
1032         }
1033
1034         NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
1035         NewTemplate->Data = NewStrBufPlain(NULL, statbuf.st_size);
1036         NewTemplate->FileName = NewStrBufDup(filename);
1037         NewTemplate->nTokensUsed = 0;
1038         NewTemplate->TokenSpace = 0;
1039         NewTemplate->Tokens = NULL;
1040         if (StrBufReadBLOB(NewTemplate->Data, &fd, 1, statbuf.st_size, &Err) < 0) {
1041                 close(fd);
1042                 FreeWCTemplate(NewTemplate);
1043                 lprintf(1, "ERROR: reading template '%s' - %s<br />\n",
1044                         ChrPtr(filename), strerror(errno));
1045                 return NULL;
1046         }
1047         close(fd);
1048
1049         Line = 0;
1050         pS = pch = ChrPtr(NewTemplate->Data);
1051         pE = pS + StrLength(NewTemplate->Data);
1052         while (pch < pE) {
1053                 const char *pts, *pte;
1054                 int InQuotes = 0;
1055                 int InDoubleQuotes = 0;
1056
1057                 /** Find one <? > */
1058                 pos = (-1);
1059                 for (; pch < pE; pch ++) {
1060                         if ((*pch=='<')&&(*(pch + 1)=='?'))
1061                                 break;
1062                         if (*pch=='\n') Line ++;
1063                 }
1064                 if (pch >= pE)
1065                         continue;
1066                 pts = pch;
1067
1068                 /** Found one? parse it. */
1069                 for (; pch <= pE - 1; pch ++) {
1070                         if (*pch == '"')
1071                                 InDoubleQuotes = ! InDoubleQuotes;
1072                         else if (*pch == '\'')
1073                                 InQuotes = ! InQuotes;
1074                         else if ((!InQuotes  && !InDoubleQuotes) &&
1075                                  ((*pch!='\\')&&(*(pch + 1)=='>'))) {
1076                                 pch ++;
1077                                 break;
1078                         }
1079                 }
1080                 if (pch + 1 > pE)
1081                         continue;
1082                 pte = pch;
1083                 PutNewToken(NewTemplate,
1084                             NewTemplateSubstitute(NewTemplate->Data, pS, pts, pte, Line, NewTemplate));
1085                 pch ++;
1086         }
1087         if (LoadTemplates == 0)
1088                 Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
1089         return NewTemplate;
1090 }
1091
1092
1093 const char* PrintTemplate(void *vSubst)
1094 {
1095         WCTemplate *Tmpl = vSubst;
1096
1097         return ChrPtr(Tmpl->FileName);
1098
1099 }
1100
1101 int LoadTemplateDir(const char *DirName, HashList *wireless, HashList *big)
1102 {
1103         StrBuf *FileName;
1104         StrBuf *Tag;
1105         StrBuf *Dir;
1106         DIR *filedir = NULL;
1107         struct dirent *filedir_entry;
1108         int d_namelen;
1109         int d_without_ext;
1110         int IsMobile;
1111
1112         Dir = NewStrBuf();
1113         StrBufPrintf(Dir, "%s/t", DirName);
1114         filedir = opendir (ChrPtr(Dir));
1115         if (filedir == NULL) {
1116                 FreeStrBuf(&Dir);
1117                 return 0;
1118         }
1119
1120         FileName = NewStrBuf();
1121         Tag = NewStrBuf();
1122         while ((filedir_entry = readdir(filedir)))
1123         {
1124                 char *MinorPtr;
1125                 char *PStart;
1126 #ifdef _DIRENT_HAVE_D_NAMELEN
1127                 d_namelen = filedir_entry->d_namelen;
1128 #else
1129                 d_namelen = strlen(filedir_entry->d_name);
1130 #endif
1131                 d_without_ext = d_namelen;
1132                 while ((d_without_ext > 0) && (filedir_entry->d_name[d_without_ext] != '.'))
1133                         d_without_ext --;
1134                 if ((d_without_ext == 0) || (d_namelen < 3))
1135                         continue;
1136                 if ((d_namelen > 1) && filedir_entry->d_name[d_namelen - 1] == '~')
1137                         continue; /* Ignore backup files... */
1138
1139                 IsMobile = (strstr(filedir_entry->d_name, ".m.html")!= NULL);
1140                 PStart = filedir_entry->d_name;
1141                 StrBufPrintf(FileName, "%s/%s", ChrPtr(Dir),  filedir_entry->d_name);
1142                 MinorPtr = strchr(filedir_entry->d_name, '.');
1143                 if (MinorPtr != NULL)
1144                         *MinorPtr = '\0';
1145                 StrBufPlain(Tag, filedir_entry->d_name, MinorPtr - filedir_entry->d_name);
1146
1147                 if (LoadTemplates > 1)
1148                         lprintf(1, "%s %d %s\n",ChrPtr(FileName), IsMobile, ChrPtr(Tag));
1149                 if (LoadTemplates == 0)
1150                         load_template(FileName, Tag, (IsMobile)?wireless:big);
1151                 else
1152                         prepare_template(FileName, Tag, (IsMobile)?wireless:big);
1153         }
1154         closedir(filedir);
1155         FreeStrBuf(&FileName);
1156         FreeStrBuf(&Tag);
1157         FreeStrBuf(&Dir);
1158         return 1;
1159 }
1160
1161 void InitTemplateCache(void)
1162 {
1163         LoadTemplateDir(static_dirs[0],
1164                         WirelessTemplateCache,
1165                         TemplateCache);
1166         LoadTemplateDir(static_dirs[1],
1167                         WirelessLocalTemplateCache,
1168                         LocalTemplateCache);
1169 }
1170
1171
1172
1173 /*-----------------------------------------------------------------------------
1174  *                      Filling & processing Templates
1175  */
1176 /**
1177  * \brief executes one token
1178  * \param Target buffer to append to
1179  * \param Token da to  process.
1180  * \param Template we're iterating
1181  * \param Context Contextpoointer to pass in
1182  * \param state are we in conditional state?
1183  * \param ContextType what type of information does context giv us?
1184  */
1185 int EvaluateToken(StrBuf *Target, WCTemplateToken *Tokens, WCTemplate *pTmpl, void *Context, int state, int ContextType)
1186 {
1187         const char *AppendMe;
1188         long AppendMeLen;
1189         HashHandler *Handler;
1190         void *vVar;
1191 /* much output, since pName is not terminated...
1192         lprintf(1,"Doing token: %s\n",Token->pName);
1193 */
1194
1195         switch (Tokens->Flags) {
1196         case SV_GETTEXT:
1197                 TmplGettext(Target, Tokens->nParameters, Tokens);
1198                 break;
1199         case SV_CONDITIONAL: /** Forward conditional evaluation */
1200                 return EvaluateConditional(Target, Tokens, pTmpl, Context, 1, state, ContextType);
1201                 break;
1202         case SV_NEG_CONDITIONAL: /** Reverse conditional evaluation */
1203                 return EvaluateConditional(Target, Tokens, pTmpl, Context, 0, state, ContextType);
1204                 break;
1205         case SV_CUST_STR_CONDITIONAL: /** Conditional put custom strings from params */
1206                 if (Tokens->nParameters >= 6) {
1207                         if (EvaluateConditional(Target, Tokens, pTmpl, Context, 0, state, ContextType)) {
1208                                 GetTemplateTokenString(Tokens, 5, &AppendMe, &AppendMeLen);
1209                                 StrBufAppendBufPlain(Target,
1210                                                      AppendMe,
1211                                                      AppendMeLen,
1212                                                      0);
1213                         }
1214                         else{
1215                                 GetTemplateTokenString(Tokens, 4, &AppendMe, &AppendMeLen);
1216                                 StrBufAppendBufPlain(Target,
1217                                                      AppendMe,
1218                                                      AppendMeLen,
1219                                                      0);
1220                         }
1221                 }
1222                 else  {
1223                         lprintf(1, "Conditional [%s] (in '%s' line %ld); needs at least 6 Params![%s]\n",
1224                                 Tokens->Params[0]->Start,
1225                                 ChrPtr(pTmpl->FileName),
1226                                 Tokens->Line,
1227                                 ChrPtr(Tokens->FlatToken));
1228                         StrBufAppendPrintf(
1229                                 Target,
1230                                 "<pre>\nConditional [%s] (in '%s' line %ld); needs 6 Params!\n[%s]\n</pre>\n",
1231                                 Tokens->Params[0]->Start,
1232                                 ChrPtr(pTmpl->FileName),
1233                                 Tokens->Line,
1234                                 ChrPtr(Tokens->FlatToken));
1235                 }
1236                 break;
1237         case SV_SUBTEMPL:
1238                 if (Tokens->nParameters == 1)
1239                         DoTemplate(TKEY(0), NULL, NULL, ContextType);
1240                 break;
1241         case SV_PREEVALUATED:
1242                 Handler = (HashHandler*) Tokens->PreEval;
1243                 if ((Handler->ContextRequired != CTX_NONE) &&
1244                     (Handler->ContextRequired != ContextType)) {
1245                         lprintf(1, "Handler [%s] (in '%s' line %ld); "
1246                                 "requires context of type %ld, have %ld [%s]\n",
1247                                 Tokens->pName,
1248                                 ChrPtr(pTmpl->FileName),
1249                                 Tokens->Line,
1250                                 Handler->ContextRequired,
1251                                 ContextType,
1252                                 ChrPtr(Tokens->FlatToken));
1253                         StrBufAppendPrintf(
1254                                 Target,
1255                                 "<pre>\nHandler [%s] (in '%s' line %ld);"
1256                                 " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
1257                                 Tokens->pName,
1258                                 ChrPtr(pTmpl->FileName),
1259                                 Tokens->Line,
1260                                 Handler->ContextRequired,
1261                                 ContextType,
1262                                 ChrPtr(Tokens->FlatToken));
1263                         return -1;
1264
1265                 }
1266                 Handler->HandlerFunc(Target,
1267                                      Tokens->nParameters,
1268                                      Tokens,
1269                                      Context,
1270                                      ContextType);
1271                 break;
1272         default:
1273                 if (GetHash(GlobalNS, Tokens->pName, Tokens->NameEnd, &vVar)) {
1274                         Handler = (HashHandler*) vVar;
1275                         if ((Handler->ContextRequired != CTX_NONE) &&
1276                             (Handler->ContextRequired != ContextType)) {
1277                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
1278                                         "requires context of type %ld, have %ld [%s]\n",
1279                                         Tokens->pName,
1280                                         ChrPtr(pTmpl->FileName),
1281                                         Tokens->Line,
1282                                         Handler->ContextRequired,
1283                                         ContextType,
1284                                         ChrPtr(Tokens->FlatToken));
1285                                 StrBufAppendPrintf(
1286                                         Target,
1287                                         "<pre>\nHandler [%s] (in '%s' line %ld);"
1288                                         " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
1289                                         Tokens->pName,
1290                                         ChrPtr(pTmpl->FileName),
1291                                         Tokens->Line,
1292                                         Handler->ContextRequired,
1293                                         ContextType,
1294                                         ChrPtr(Tokens->FlatToken));
1295                                 return -1;
1296                         }
1297                         else if ((Tokens->nParameters < Handler->nMinArgs) ||
1298                                  (Tokens->nParameters > Handler->nMaxArgs)) {
1299                                 lprintf(1, "Handler [%s] (in '%s' line %ld); "
1300                                         "doesn't work with %ld params [%s]\n",
1301                                         Tokens->pName,
1302                                         ChrPtr(pTmpl->FileName),
1303                                         Tokens->Line,
1304                                         Tokens->nParameters,
1305                                         ChrPtr(Tokens->FlatToken));
1306                                 StrBufAppendPrintf(
1307                                         Target,
1308                                         "<pre>\nHandler [%s] (in '%s' line %ld);"
1309                                         " doesn't work with %ld params!\n[%s]\n</pre>\n",
1310                                         Tokens->pName,
1311                                         ChrPtr(pTmpl->FileName),
1312                                         Tokens->Line,
1313                                         Tokens->nParameters,
1314                                         ChrPtr(Tokens->FlatToken));
1315                         }
1316                         else {
1317                                 Handler->HandlerFunc(Target,
1318                                                      Tokens->nParameters,
1319                                                      Tokens,
1320                                                      Context,
1321                                                      ContextType); /*TODO: subset of that */
1322
1323                         }
1324                 }
1325                 else {
1326                         print_value_of(Target, Tokens, Context, ContextType);
1327                 }
1328         }
1329         return 0;
1330 }
1331
1332
1333
1334 void ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, void *Context, int ContextType)
1335 {
1336         WCTemplate *pTmpl = Tmpl;
1337         int done = 0;
1338         int i, state;
1339         const char *pData, *pS;
1340         long len;
1341
1342         if (LoadTemplates != 0) {
1343                 if (LoadTemplates > 1)
1344                         lprintf(1, "DBG: ----- loading:  [%s] ------ \n",
1345                                 ChrPtr(Tmpl->FileName));
1346
1347                 pTmpl = load_template(Tmpl->FileName, NULL, NULL);
1348                 if(pTmpl == NULL) {
1349                         StrBufAppendPrintf(
1350                                 Target,
1351                                 "<pre>\nError loading Template [%s]\n See Logfile for details\n</pre>\n",
1352                                 ChrPtr(Tmpl->FileName));
1353                         return;
1354                 }
1355
1356         }
1357
1358         pS = pData = ChrPtr(pTmpl->Data);
1359         len = StrLength(pTmpl->Data);
1360         i = 0;
1361         state = 0;
1362         while (!done) {
1363                 if (i >= pTmpl->nTokensUsed) {
1364                         StrBufAppendBufPlain(Target,
1365                                              pData,
1366                                              len - (pData - pS), 0);
1367                         done = 1;
1368                 }
1369                 else {
1370                         StrBufAppendBufPlain(
1371                                 Target, pData,
1372                                 pTmpl->Tokens[i]->pTokenStart - pData, 0);
1373                         state = EvaluateToken(Target, pTmpl->Tokens[i], pTmpl, Context, state, ContextType);
1374                         while ((state != 0) && (i+1 < pTmpl->nTokensUsed)) {
1375                         /* condition told us to skip till its end condition */
1376                                 i++;
1377                                 if ((pTmpl->Tokens[i]->Flags == SV_CONDITIONAL) ||
1378                                     (pTmpl->Tokens[i]->Flags == SV_NEG_CONDITIONAL)) {
1379                                         if (state == EvaluateConditional(
1380                                                     Target,
1381                                                     pTmpl->Tokens[i],
1382                                                     pTmpl,
1383                                                     Context,
1384                                                     pTmpl->Tokens[i]->Flags,
1385                                                     state,
1386                                                     ContextType))
1387                                                 state = 0;
1388                                 }
1389                         }
1390                         pData = pTmpl->Tokens[i++]->pTokenEnd + 1;
1391                         if (i > pTmpl->nTokensUsed)
1392                                 done = 1;
1393                 }
1394         }
1395         if (LoadTemplates != 0) {
1396                 FreeWCTemplate(pTmpl);
1397         }
1398 }
1399
1400 /**
1401  * \brief Display a variable-substituted template
1402  * \param templatename template file to load
1403  */
1404 void DoTemplate(const char *templatename, long len, StrBuf *Target, void *Context, int ContextType)
1405 {
1406         HashList *Static;
1407         HashList *StaticLocal;
1408         void *vTmpl;
1409
1410         if (Target == NULL)
1411                 Target = WC->WBuf;
1412         if (WC->is_mobile) {
1413                 Static = WirelessTemplateCache;
1414                 StaticLocal = WirelessLocalTemplateCache;
1415         }
1416         else {
1417                 Static = TemplateCache;
1418                 StaticLocal = LocalTemplateCache;
1419         }
1420
1421         if (len == 0)
1422         {
1423                 lprintf (1, "Can't to load a template with empty name!\n");
1424                 StrBufAppendPrintf(Target, "<pre>\nCan't to load a template with empty name!\n</pre>");
1425                 return;
1426         }
1427
1428         if (!GetHash(StaticLocal, templatename, len, &vTmpl) &&
1429             !GetHash(Static, templatename, len, &vTmpl)) {
1430                 lprintf (1, "didn't find Template [%s] %ld %ld\n", templatename, len , (long)strlen(templatename));
1431                 StrBufAppendPrintf(Target, "<pre>\ndidn't find Template [%s] %ld %ld\n</pre>",
1432                                    templatename, len,
1433                                    (long)strlen(templatename));
1434 #if 0
1435                 dbg_PrintHash(Static, PrintTemplate, NULL);
1436                 PrintHash(Static, VarPrintTransition, PrintTemplate);
1437 #endif
1438                 return;
1439         }
1440         if (vTmpl == NULL)
1441                 return;
1442         ProcessTemplate(vTmpl, Target, Context, ContextType);
1443 }
1444
1445 /*-----------------------------------------------------------------------------
1446  *                      Iterators
1447  */
1448 typedef struct _HashIterator {
1449         HashList *StaticList;
1450         int AdditionalParams;
1451         int ContextType;
1452         int XPectContextType;
1453         RetrieveHashlistFunc GetHash;
1454         HashDestructorFunc Destructor;
1455         SubTemplFunc DoSubTemplate;
1456 } HashIterator;
1457
1458 void RegisterITERATOR(const char *Name, long len,
1459                       int AdditionalParams,
1460                       HashList *StaticList,
1461                       RetrieveHashlistFunc GetHash,
1462                       SubTemplFunc DoSubTempl,
1463                       HashDestructorFunc Destructor,
1464                       int ContextType,
1465                       int XPectContextType)
1466 {
1467         HashIterator *It = (HashIterator*)malloc(sizeof(HashIterator));
1468         It->StaticList = StaticList;
1469         It->AdditionalParams = AdditionalParams;
1470         It->GetHash = GetHash;
1471         It->DoSubTemplate = DoSubTempl;
1472         It->Destructor = Destructor;
1473         It->ContextType = ContextType;
1474         It->XPectContextType = XPectContextType;
1475         Put(Iterators, Name, len, It, NULL);
1476 }
1477
1478 void tmpl_iterate_subtmpl(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1479 {
1480         void *vIt;
1481         HashIterator *It;
1482         HashList *List;
1483         HashPos  *it;
1484         int nMembersUsed;
1485         int nMembersCounted = 0;
1486         long len;
1487         const char *Key;
1488         void *vContext;
1489         StrBuf *SubBuf;
1490         int oddeven = 0;
1491
1492         if (!GetHash(Iterators, TKEY(0), &vIt)) {
1493                 lprintf(1, "unknown Iterator [%s] (in '%s' line %ld); "
1494                         " [%s]\n",
1495                         Tokens->Params[0]->Start,
1496                         ChrPtr(Tokens->FileName),
1497                         Tokens->Line,
1498                         ChrPtr(Tokens->FlatToken));
1499                 StrBufAppendPrintf(
1500                         Target,
1501                         "<pre>\nunknown Iterator [%s] (in '%s' line %ld); \n"
1502                         " [%s]\n</pre>",
1503                         Tokens->Params[0]->Start,
1504                         ChrPtr(Tokens->FileName),
1505                         Tokens->Line,
1506                         ChrPtr(Tokens->FlatToken));
1507                 return;
1508         }
1509
1510         It = (HashIterator*) vIt;
1511
1512         if (Tokens->nParameters < It->AdditionalParams + 2) {
1513                 lprintf(1, "Iterator [%s] (in '%s' line %ld); "
1514                         "doesn't work with %ld params [%s]\n",
1515                         Tokens->Params[0]->Start,
1516                         ChrPtr(Tokens->FileName),
1517                         Tokens->Line,
1518                         Tokens->nParameters,
1519                         ChrPtr(Tokens->FlatToken));
1520                 StrBufAppendPrintf(
1521                         Target,
1522                         "<pre>Iterator [%s] \n(in '%s' line %ld);\n"
1523                         "doesn't work with %ld params \n[%s]\n</pre>",
1524                         Tokens->Params[0]->Start,
1525                         ChrPtr(Tokens->FileName),
1526                         Tokens->Line,
1527                         Tokens->nParameters,
1528                         ChrPtr(Tokens->FlatToken));
1529                 return;
1530         }
1531
1532         if ((It->XPectContextType != CTX_NONE) &&
1533             (It->XPectContextType != ContextType)) {
1534                 lprintf(1, "Iterator [%s] (in '%s' line %ld); "
1535                         "requires context of type %ld, have %ld [%s]\n",
1536                         Tokens->pName,
1537                         ChrPtr(Tokens->FileName),
1538                         Tokens->Line,
1539                         It->XPectContextType,
1540                         ContextType,
1541                         ChrPtr(Tokens->FlatToken));
1542                 StrBufAppendPrintf(
1543                         Target,
1544                         "<pre>\nIterator [%s] (in '%s' line %ld);"
1545                         " requires context of type %ld, have %ld!\n[%s]\n</pre>\n",
1546                         Tokens->pName,
1547                         ChrPtr(Tokens->FileName),
1548                         Tokens->Line,
1549                         It->XPectContextType,
1550                         ContextType,
1551                         ChrPtr(Tokens->FlatToken));
1552                 return ;
1553
1554         }
1555
1556         if (It->StaticList == NULL)
1557                 List = It->GetHash(Target, nArgs, Tokens, Context, ContextType);
1558         else
1559                 List = It->StaticList;
1560
1561         nMembersUsed = GetCount(List);
1562         SubBuf = NewStrBuf();
1563         it = GetNewHashPos(List, 0);
1564         while (GetNextHashPos(List, it, &len, &Key, &vContext)) {
1565                 svprintf(HKEY("ITERATE:ODDEVEN"), WCS_STRING, "%s",
1566                          (oddeven) ? "odd" : "even");
1567                 svprintf(HKEY("ITERATE:KEY"), WCS_STRING, "%s", Key);
1568                 svputlong("ITERATE:N", nMembersCounted);
1569                 svputlong("ITERATE:LASTN", ++nMembersCounted == nMembersUsed);
1570
1571                 if (It->DoSubTemplate != NULL)
1572                         It->DoSubTemplate(SubBuf, vContext, Tokens);
1573                 DoTemplate(TKEY(1), SubBuf, vContext, It->ContextType);
1574
1575                 StrBufAppendBuf(Target, SubBuf, 0);
1576                 FlushStrBuf(SubBuf);
1577                 oddeven = ~ oddeven;
1578         }
1579         FreeStrBuf(&SubBuf);
1580         DeleteHashPos(&it);
1581         if (It->Destructor != NULL)
1582                 It->Destructor(&List);
1583 }
1584
1585
1586
1587 /*-----------------------------------------------------------------------------
1588  *                      Conditionals
1589  */
1590 int EvaluateConditional(StrBuf *Target, WCTemplateToken *Tokens, WCTemplate *pTmpl, void *Context, int Neg, int state, int ContextType)
1591 {
1592         ConditionalStruct *Cond;
1593
1594         if ((Tokens->Params[0]->len == 1) &&
1595             (Tokens->Params[0]->Start[0] == 'X'))
1596                 return (state != 0)?Tokens->Params[1]->lvalue:0;
1597
1598         Cond = (ConditionalStruct *) Tokens->PreEval;
1599         if (Cond == NULL) {
1600                 lprintf(1, "Conditional [%s] (in '%s' line %ld); unknown![%s]\n",
1601                         Tokens->Params[0]->Start,
1602                         ChrPtr(pTmpl->FileName),
1603                         Tokens->Line,
1604                         ChrPtr(Tokens->FlatToken));
1605                 return 1;
1606         }
1607
1608         if (Tokens->nParameters < Cond->nParams) {
1609                 lprintf(1, "Conditional [%s] (in '%s' line %ld); needs %ld Params![%s]\n",
1610                         Tokens->Params[0]->Start,
1611                         ChrPtr(pTmpl->FileName),
1612                         Tokens->Line,
1613                         Cond->nParams,
1614                         ChrPtr(Tokens->FlatToken));
1615                 StrBufAppendPrintf(
1616                         Target,
1617                         "<pre>\nConditional [%s] (in '%s' line %ld); needs %ld Params!\n[%s]\n</pre>\n",
1618                         Tokens->Params[0]->Start,
1619                         ChrPtr(pTmpl->FileName),
1620                         Tokens->Line,
1621                         Cond->nParams,
1622                         ChrPtr(Tokens->FlatToken));
1623                 return 0;
1624         }
1625         if (Cond->CondF(Tokens, Context, ContextType) == Neg)
1626                 return Tokens->Params[1]->lvalue;
1627         return 0;
1628 }
1629
1630 int ConditionalVar(WCTemplateToken *Tokens, void *Context, int ContextType)
1631 {
1632         void *vsubst;
1633         wcsubst *subst;
1634
1635         if (!GetHash(WC->vars, TKEY(2), &vsubst))
1636                 return 0;
1637         subst = (wcsubst*) vsubst;
1638         if ((subst->ContextRequired != CTX_NONE) &&
1639             (subst->ContextRequired != ContextType)) {
1640                 lprintf(1,"  WARNING: Conditional requires Context: [%ld]!\n", Tokens->Params[2]->Start);
1641                 return -1;
1642         }
1643
1644         switch(subst->wcs_type) {
1645         case WCS_FUNCTION:
1646                 return (subst->wcs_function!=NULL);
1647         case WCS_SERVCMD:
1648                 lprintf(1, "  -> Server [%s]\n", subst->wcs_value);/* TODO */
1649                 return 1;
1650         case WCS_STRING:
1651         case WCS_STRBUF:
1652         case WCS_STRBUF_REF:
1653                 if (Tokens->nParameters < 4)
1654                         return 1;
1655                 return (strcmp(Tokens->Params[3]->Start, ChrPtr(subst->wcs_value)) == 0);
1656         case WCS_LONG:
1657                 if (Tokens->nParameters < 4)
1658                         return (subst->lvalue != 0);
1659                 return (subst->lvalue == Tokens->Params[3]->lvalue);
1660         default:
1661                 lprintf(1,"  WARNING: invalid type: [%ld]!\n", subst->wcs_type);
1662                 return -1;
1663         }
1664         return 0;
1665 }
1666
1667
1668 void RegisterConditional(const char *Name, long len,
1669                          int nParams,
1670                          WCConditionalFunc CondF,
1671                          int ContextRequired)
1672 {
1673         ConditionalStruct *Cond = (ConditionalStruct*)malloc(sizeof(ConditionalStruct));
1674         Cond->PlainName = Name;
1675         Cond->nParams = nParams;
1676         Cond->CondF = CondF;
1677         Cond->ContextRequired = ContextRequired;
1678         Put(Conditionals, Name, len, Cond, NULL);
1679 }
1680
1681 /*-----------------------------------------------------------------------------
1682  *                      Context Strings
1683  */
1684 void tmplput_ContextString(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1685 {
1686         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, (StrBuf*)Context, 0);
1687 }
1688 int ConditionalContextStr(WCTemplateToken *Tokens, void *Context, int ContextType)
1689 {
1690         StrBuf *TokenText = (StrBuf*) Context;
1691         const char *CompareToken;
1692         long len;
1693
1694         GetTemplateTokenString(Tokens, 2, &CompareToken, &len);
1695         return strcmp(ChrPtr(TokenText), CompareToken) == 0;
1696 }
1697
1698 /*-----------------------------------------------------------------------------
1699  *                      Boxed-API
1700  */
1701
1702 void tmpl_do_boxed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1703 {
1704         StrBuf *Headline;
1705         if (nArgs == 2) {
1706                 if (Tokens->Params[1]->Type == TYPE_STR) {
1707                         Headline = NewStrBuf();
1708                         DoTemplate(TKEY(1), Headline, Context, ContextType);
1709                 }
1710                 else {
1711                         const char *Ch;
1712                         long len;
1713                         GetTemplateTokenString(Tokens,
1714                                                1,
1715                                                &Ch,
1716                                                &len);
1717                         Headline = NewStrBufPlain(Ch, len);
1718                 }
1719         }
1720
1721         DoTemplate(HKEY("beginbox"), Target, Headline, CTX_STRBUF);
1722         DoTemplate(TKEY(0), Target, Context, ContextType);
1723         DoTemplate(HKEY("endbox"), Target, Context, ContextType);
1724         FreeStrBuf(&Headline);
1725 }
1726
1727 /*-----------------------------------------------------------------------------
1728  *                      Tabbed-API
1729  */
1730
1731 void tmpl_do_tabbed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1732 {
1733         StrBuf **TabNames;
1734         int i, ntabs, nTabs;
1735
1736         nTabs = ntabs = Tokens->nParameters / 2;
1737         TabNames = (StrBuf **) malloc(ntabs * sizeof(StrBuf*));
1738
1739         for (i = 0; i < ntabs; i++) {
1740                 TabNames[i] = NewStrBuf();
1741                 if (Tokens->Params[i * 2]->len > 0) {
1742                         DoTemplate(TKEY(i * 2), TabNames[i], Context, ContextType);
1743                 }
1744                 else {
1745                         /** A Tab without subject? we can't count that, add it as silent */
1746                         nTabs --;
1747                 }
1748         }
1749
1750         StrTabbedDialog(Target, nTabs, TabNames);
1751         for (i = 0; i < ntabs; i++) {
1752                 StrBeginTab(Target, i, nTabs);
1753
1754                 DoTemplate(TKEY(i * 2 + 1), Target, Context, ContextType);
1755                 StrEndTab(Target, i, nTabs);
1756         }
1757 }
1758
1759
1760 /*-----------------------------------------------------------------------------
1761  *                      Sorting-API
1762  */
1763
1764 typedef struct _SortStruct {
1765         StrBuf *Name;
1766         StrBuf *PrefPrepend;
1767         CompareFunc Forward;
1768         CompareFunc Reverse;
1769
1770         long ContextType;
1771 }SortStruct;
1772
1773 void DestroySortStruct(void *vSort)
1774 {
1775         SortStruct *Sort = (SortStruct*) vSort;
1776         FreeStrBuf(&Sort->Name);
1777         FreeStrBuf(&Sort->PrefPrepend);
1778         free (Sort);
1779 }
1780
1781 void RegisterSortFunc(const char *name, long len,
1782                       const char *prepend, long preplen,
1783                       CompareFunc Forward,
1784                       CompareFunc Reverse,
1785                       long ContextType)
1786 {
1787         SortStruct *NewSort = (SortStruct*) malloc(sizeof(SortStruct));
1788         NewSort->Name = NewStrBufPlain(name, len);
1789         if (prepend != NULL)
1790                 NewSort->PrefPrepend = NewStrBufPlain(prepend, preplen);
1791         else
1792                 NewSort->PrefPrepend = NULL;
1793         NewSort->Forward = Forward;
1794         NewSort->Reverse = Reverse;
1795         NewSort->ContextType = ContextType;
1796         Put(SortHash, name, len, NewSort, DestroySortStruct);
1797 }
1798
1799 CompareFunc RetrieveSort(long ContextType, const char *OtherPrefix,
1800                          const char *Default, long ldefault, long DefaultDirection)
1801 {
1802         int isdefault = 0;
1803         const StrBuf *BSort;
1804         SortStruct *SortBy;
1805         void *vSortBy;
1806         long SortOrder = -1;
1807
1808         if (havebstr("SortBy")) {
1809                 BSort = sbstr("SortBy");
1810         }
1811         else { /** Try to fallback to our remembered values... */
1812                 if (OtherPrefix == NULL) {
1813                         BSort = get_room_pref("sort");
1814                 }
1815                 else {
1816                         /*TODO: nail prefprepend to sort, and lookup this! */
1817                 }
1818                 if (BSort != NULL)
1819                         putbstr("SortBy", NewStrBufDup(BSort));
1820                 else {
1821                         StrBuf *Buf;
1822
1823                         BSort = Buf = NewStrBufPlain(Default, ldefault);
1824                         putbstr("SortBy", Buf);
1825                 }
1826         }
1827
1828         if (!GetHash(SortHash, SKEY(BSort), &vSortBy) ||
1829             (vSortBy == NULL)) {
1830                 isdefault = 1;
1831                 if (!GetHash(SortHash, Default, ldefault, &vSortBy) ||
1832                     (vSortBy == NULL)) {
1833                         lprintf(1, "Illegal default sort: [%s]\n", Default);
1834                         wc_backtrace();
1835                 }
1836         }
1837         SortBy = (SortStruct*)vSortBy;
1838
1839         /** Ok, its us, lets see in which direction we should sort... */
1840         if (havebstr("SortOrder")) {
1841                 SortOrder = LBSTR("SortOrder");
1842         }
1843         else { /** Try to fallback to our remembered values... */
1844                 StrBuf *Buf;
1845                 if (SortBy->PrefPrepend == NULL) {
1846                         Buf = get_room_pref("SortOrder");
1847                         SortOrder = StrTol(Buf);
1848                 }
1849                 else {
1850                         /* TODO: nail prefprepend to sort, and lookup this! */
1851                 }
1852
1853                 if (Buf == NULL)
1854                         SortOrder = DefaultDirection;
1855
1856                 Buf = NewStrBufPlain(NULL, 64);
1857                 StrBufPrintf(Buf, "%ld", SortOrder);
1858                 putbstr("SortOrder", Buf);
1859         }
1860         switch (SortOrder) {
1861         default:
1862         case 0:
1863                 return NULL;
1864         case 1:
1865                 return SortBy->Forward;
1866         case 2:
1867                 return SortBy->Reverse;
1868         }
1869 }
1870
1871
1872 enum {
1873         eNO_SUCH_SORT,
1874         eNOT_SPECIFIED,
1875         eINVALID_PARAM,
1876         eFOUND
1877 };
1878
1879 ConstStr SortIcons[] = {
1880         {HKEY("static/sort_none.gif")},
1881         {HKEY("static/up_pointer.gif")},
1882         {HKEY("static/down_pointer.gif")},
1883 };
1884
1885 ConstStr SortNextOrder[] = {
1886         {HKEY("1")},
1887         {HKEY("2")},
1888         {HKEY("0")},
1889 };
1890
1891
1892 int GetSortMetric(WCTemplateToken *Tokens, SortStruct **Next, SortStruct **Param, long *SortOrder)
1893 {
1894         int bSortError = eNOT_SPECIFIED;
1895         const StrBuf *BSort;
1896         void *vSort;
1897
1898         *SortOrder = 0;
1899         *Next = NULL;
1900         if (!GetHash(SortHash, TKEY(0), &vSort) ||
1901             (vSort == NULL))
1902                 return eNO_SUCH_SORT;
1903         *Param = (SortStruct*) vSort;
1904
1905
1906         if (havebstr("SortBy")) {
1907                 BSort = sbstr("SortBy");
1908                 bSortError = eINVALID_PARAM;
1909         }
1910         else { /** Try to fallback to our remembered values... */
1911                 if ((*Param)->PrefPrepend == NULL) {
1912                         BSort = get_room_pref("sort");
1913                 }
1914                 else {
1915                         /* TODO: nail prefprepend to sort, and lookup this! */
1916                 }
1917         }
1918
1919         if (!GetHash(SortHash, SKEY(BSort), &vSort) ||
1920             (vSort == NULL))
1921                 return bSortError;
1922
1923         *Next = (SortStruct*) vSort;
1924
1925         /** Ok, its us, lets see in which direction we should sort... */
1926         if (havebstr("SortOrder")) {
1927                 *SortOrder = LBSTR("SortOrder");
1928         }
1929         else { /** Try to fallback to our remembered values... */
1930                 if ((*Param)->PrefPrepend == NULL) {
1931                         *SortOrder = StrTol(get_room_pref("SortOrder"));
1932                 }
1933                 else {
1934                         /* TODO: nail prefprepend to sort, and lookup this! */
1935                 }
1936         }
1937         if (*SortOrder > 2)
1938                 *SortOrder = 0;
1939
1940         return eFOUND;
1941 }
1942
1943
1944 void tmplput_SORT_ICON(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1945 {
1946         long SortOrder;
1947         SortStruct *Next;
1948         SortStruct *Param;
1949         const ConstStr *SortIcon;
1950
1951         switch (GetSortMetric(Tokens, &Next, &Param, &SortOrder)){
1952         case eNO_SUCH_SORT:
1953                 lprintf(1, "[%s] (in '%s' line %ld); "
1954                         " Sorter [%s] unknown! [%s]\n",
1955                         Tokens->pName,
1956                         ChrPtr(Tokens->FileName),
1957                         Tokens->Line,
1958                         Tokens->Params[0]->Start,
1959                         ChrPtr(Tokens->FlatToken));
1960                 StrBufAppendPrintf(
1961                         Target,
1962                         "<pre>\n [%s] (in '%s' line %ld);"
1963                         " Sorter [%s] unknown!\n[%s]\n</pre>\n",
1964                         Tokens->pName,
1965                         ChrPtr(Tokens->FileName),
1966                         Tokens->Line,
1967                         Tokens->Params[0]->Start,
1968                         ChrPtr(Tokens->FlatToken));
1969                 break;
1970         case eINVALID_PARAM:
1971                 lprintf(1, "[%s] (in '%s' line %ld); "
1972                         " Sorter specified by BSTR 'SortBy' [%s] unknown! [%s]\n",
1973                         Tokens->pName,
1974                         ChrPtr(Tokens->FileName),
1975                         Tokens->Line,
1976                         bstr("SortBy"),
1977                         ChrPtr(Tokens->FlatToken));
1978         case eNOT_SPECIFIED:
1979         case eFOUND:
1980                 if (Next == Param) {
1981                         SortIcon = &SortIcons[SortOrder];
1982                 }
1983                 else { /** Not Us... */
1984                         SortIcon = &SortIcons[0];
1985                 }
1986                 StrBufAppendBufPlain(Target, SortIcon->Key, SortIcon->len, 0);
1987         }
1988 }
1989
1990 void tmplput_SORT_NEXT(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1991 {
1992         long SortOrder;
1993         SortStruct *Next;
1994         SortStruct *Param;
1995
1996         switch (GetSortMetric(Tokens, &Next, &Param, &SortOrder)){
1997         case eNO_SUCH_SORT:
1998                 lprintf(1, "[%s] (in '%s' line %ld); "
1999                         " Sorter [%s] unknown! [%s]\n",
2000                         Tokens->pName,
2001                         ChrPtr(Tokens->FileName),
2002                         Tokens->Line,
2003                         Tokens->Params[0]->Start,
2004                         ChrPtr(Tokens->FlatToken));
2005                 StrBufAppendPrintf(
2006                         Target,
2007                         "<pre>\n [%s] (in '%s' line %ld);"
2008                         " Sorter [%s] unknown!\n[%s]\n</pre>\n",
2009                         Tokens->pName,
2010                         ChrPtr(Tokens->FileName),
2011                         Tokens->Line,
2012                         Tokens->Params[0]->Start,
2013                         ChrPtr(Tokens->FlatToken));
2014                 break;
2015         case eINVALID_PARAM:
2016                 lprintf(1, "[%s] (in '%s' line %ld); "
2017                         " Sorter specified by BSTR 'SortBy' [%s] unknown! [%s]\n",
2018                         Tokens->pName,
2019                         ChrPtr(Tokens->FileName),
2020                         Tokens->Line,
2021                         bstr("SortBy"),
2022                         ChrPtr(Tokens->FlatToken));
2023
2024         case eNOT_SPECIFIED:
2025         case eFOUND:
2026                 StrBufAppendBuf(Target, Param->Name, 0);
2027
2028         }
2029 }
2030
2031 void tmplput_SORT_ORDER(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
2032 {
2033         long SortOrder;
2034         const ConstStr *SortOrderStr;
2035         SortStruct *Next;
2036         SortStruct *Param;
2037
2038         switch (GetSortMetric(Tokens, &Next, &Param, &SortOrder)){
2039         case eNO_SUCH_SORT:
2040                 lprintf(1, "[%s] (in '%s' line %ld); "
2041                         " Sorter [%s] unknown! [%s]\n",
2042                         Tokens->pName,
2043                         ChrPtr(Tokens->FileName),
2044                         Tokens->Line,
2045                         Tokens->Params[0]->Start,
2046                         ChrPtr(Tokens->FlatToken));
2047                 StrBufAppendPrintf(
2048                         Target,
2049                         "<pre>\n [%s] (in '%s' line %ld);"
2050                         " Sorter [%s] unknown!\n[%s]\n</pre>\n",
2051                         Tokens->pName,
2052                         ChrPtr(Tokens->FileName),
2053                         Tokens->Line,
2054                         Tokens->Params[0]->Start,
2055                         ChrPtr(Tokens->FlatToken));
2056                 break;
2057         case eINVALID_PARAM:
2058                 lprintf(1, "[%s] (in '%s' line %ld); "
2059                         " Sorter specified by BSTR 'SortBy' [%s] unknown! [%s]\n",
2060                         Tokens->pName,
2061                         ChrPtr(Tokens->FileName),
2062                         Tokens->Line,
2063                         bstr("SortBy"),
2064                         ChrPtr(Tokens->FlatToken));
2065
2066         case eNOT_SPECIFIED:
2067         case eFOUND:
2068                 if (Next == Param) {
2069                         SortOrderStr = &SortNextOrder[SortOrder];
2070                 }
2071                 else { /** Not Us... */
2072                         SortOrderStr = &SortNextOrder[0];
2073                 }
2074                 StrBufAppendBufPlain(Target, SortOrderStr->Key, SortOrderStr->len, 0);
2075         }
2076 }
2077
2078
2079 void tmplput_long_vector(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
2080 {
2081         long *LongVector = (long*) Context;
2082
2083         if ((Tokens->Params[0]->Type == TYPE_LONG) &&
2084             (Tokens->Params[0]->lvalue <= LongVector[0]))
2085         {
2086                 StrBufAppendPrintf(Target, "%ld", LongVector[Tokens->Params[0]->lvalue]);
2087         }
2088         else
2089         {
2090                 if (Tokens->Params[0]->Type == TYPE_LONG) {
2091                         lprintf(1, "longvector [%s] (in '%s' line %ld); needs a long Parameter![%s]\n",
2092                                 Tokens->Params[0]->Start,
2093                                 ChrPtr(Tokens->FileName),
2094                                 Tokens->Line,
2095                                 ChrPtr(Tokens->FlatToken));
2096                         StrBufAppendPrintf(
2097                                 Target,
2098                                 "<pre>\nlongvector [%s] (in '%s' line %ld); needs a numerical Parameter!\n[%s]\n</pre>\n",
2099                                 Tokens->Params[0]->Start,
2100                                 ChrPtr(Tokens->FileName),
2101                                 Tokens->Line,
2102                                 ChrPtr(Tokens->FlatToken));
2103                 }
2104                 else {
2105                         lprintf(1, "longvector [%s] (in '%s' line %ld); doesn't have %ld Parameters,"
2106                                 " its just the size of %ld![%s]\n",
2107                                 Tokens->Params[0]->Start,
2108                                 ChrPtr(Tokens->FileName),
2109                                 Tokens->Line,
2110                                 Tokens->Params[0]->lvalue,
2111                                 LongVector[0],
2112                                 ChrPtr(Tokens->FlatToken));
2113                         StrBufAppendPrintf(
2114                                 Target,
2115                                 "<pre>\nlongvector [%s] (in '%s' line %ld); doesn't have %ld Parameters,"
2116                                 " its just the size of %ld!\n[%s]\n</pre>\n",
2117                                 Tokens->Params[0]->Start,
2118                                 ChrPtr(Tokens->FileName),
2119                                 Tokens->Line,
2120                                 Tokens->Params[0]->lvalue,
2121                                 LongVector[0],
2122                                 ChrPtr(Tokens->FlatToken));
2123                 }
2124         }
2125 }
2126
2127 void dbg_print_longvector(long *LongVector)
2128 {
2129         StrBuf *Buf = NewStrBufPlain(HKEY("Longvector: ["));
2130         int nItems = LongVector[0];
2131         int i;
2132
2133         for (i = 0; i < nItems; i++) {
2134                 if (i + 1 < nItems)
2135                         StrBufAppendPrintf(Buf, "%d: %ld | ", i, LongVector[i]);
2136                 else
2137                         StrBufAppendPrintf(Buf, "%d: %ld]\n", i, LongVector[i]);
2138
2139         }
2140         lprintf(1, ChrPtr(Buf));
2141         FreeStrBuf(&Buf);
2142 }
2143
2144 int ConditionalLongVector(WCTemplateToken *Tokens, void *Context, int ContextType)
2145 {
2146         long *LongVector = (long*) Context;
2147
2148         if ((Tokens->Params[2]->Type == TYPE_LONG) &&
2149             (Tokens->Params[2]->lvalue <= LongVector[0])&&
2150             (Tokens->Params[3]->Type == TYPE_LONG) &&
2151             (Tokens->Params[3]->lvalue <= LongVector[0]))
2152         {
2153                 return LongVector[Tokens->Params[2]->lvalue] == LongVector[Tokens->Params[3]->lvalue];
2154         }
2155         else
2156         {
2157                 if ((Tokens->Params[2]->Type == TYPE_LONG) ||
2158                     (Tokens->Params[2]->Type == TYPE_LONG)) {
2159                         lprintf(1, "ConditionalLongVector [%s] (in '%s' line %ld); needs two long Parameter![%s]\n",
2160                                 Tokens->Params[0]->Start,
2161                                 ChrPtr(Tokens->FileName),
2162                                 Tokens->Line,
2163                                 ChrPtr(Tokens->FlatToken));
2164                 }
2165                 else {
2166                         lprintf(1, "longvector [%s] (in '%s' line %ld); doesn't have %ld / %ld Parameters,"
2167                                 " its just the size of %ld![%s]\n",
2168                                 Tokens->Params[0]->Start,
2169                                 ChrPtr(Tokens->FileName),
2170                                 Tokens->Line,
2171                                 Tokens->Params[2]->lvalue,
2172                                 Tokens->Params[3]->lvalue,
2173                                 LongVector[0],
2174                                 ChrPtr(Tokens->FlatToken));
2175                 }
2176         }
2177         return 0;
2178 }
2179
2180 void
2181 InitModule_SUBST
2182 (void)
2183 {
2184         RegisterNamespace("SORT:ICON", 1, 1, tmplput_SORT_ICON, CTX_NONE);
2185         RegisterNamespace("SORT:ORDER", 1, 1, tmplput_SORT_ORDER, CTX_NONE);
2186         RegisterNamespace("SORT:NEXT", 1, 1, tmplput_SORT_NEXT, CTX_NONE);
2187         RegisterNamespace("CONTEXTSTR", 0, 1, tmplput_ContextString, CTX_STRBUF);
2188         RegisterNamespace("ITERATE", 2, 100, tmpl_iterate_subtmpl, CTX_NONE);
2189         RegisterNamespace("DOBOXED", 1, 2, tmpl_do_boxed, CTX_NONE);
2190         RegisterNamespace("DOTABBED", 2, 100, tmpl_do_tabbed, CTX_NONE);
2191         RegisterNamespace("LONGVECTOR", 1, 1, tmplput_long_vector, CTX_LONGVECTOR);
2192         RegisterConditional(HKEY("COND:SUBST"), 3, ConditionalVar, CTX_NONE);
2193         RegisterConditional(HKEY("COND:CONTEXTSTR"), 3, ConditionalContextStr, CTX_STRBUF);
2194         RegisterConditional(HKEY("COND:LONGVECTOR"), 4, ConditionalLongVector, CTX_LONGVECTOR);
2195 }
2196
2197 /*@}*/