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