Finalize vcard editing:
[citadel.git] / webcit / subst.c
index 83f780875a068ba6024a2c5fda088f42033aea41..7aa54bff8ad451b36691366c016413487941051a 100644 (file)
@@ -43,6 +43,7 @@ const char EmptyStr[]="";
 #define SV_PREEVALUATED 6
 
 
+
 /*
  * Dynamic content for variable substitution in templates
  */
@@ -71,8 +72,13 @@ typedef struct _HashHandler {
        WCHandlerFunc HandlerFunc;
 }HashHandler;
 
+typedef enum _estate {
+       eNext,
+       eSkipTilEnd
+} TemplState;
+
 void *load_template(StrBuf *Target, WCTemplate *NewTemplate);
-int EvaluateConditional(StrBuf *Target, int Neg, int state, WCTemplputParams *TP);
+int EvaluateConditional(StrBuf *Target, int Neg, int state, WCTemplputParams **TPP);
 
 
 
@@ -83,46 +89,74 @@ typedef struct _SortStruct {
        CompareFunc Reverse;
        CompareFunc GroupChange;
 
-       long ContextType;
+       CtxType ContextType;
 }SortStruct;
 
-const char *CtxNames[]  = {
-       "Context NONE",
-       "Context SITECFG",
-       "Context SESSION",
-       "Context INETCFG",
-       "Context VNOTE",
-       "Context WHO",
-       "Context PREF",
-       "Context NODECONF",
-       "Context USERLIST",
-       "Context MAILSUM",
-       "Context MIME_ATACH",
-       "Context FILELIST",
-       "Context STRBUF",
-       "Context STRBUFARR",
-       "Context LONGVECTOR",
-       "Context ROOMS",
-       "Context FLOORS",
-       "Context ITERATE",
-       "Context ICAL",
-       "Context DavNamespace",
-       "Context TAB",
-       "Context VCARD",
-       "Context SIEVE List",
-       "Context SIEVE Script",
-       "Context MailQ-Item",
-       "Context MailQ-Recipient",
-       "Context ServLogStatus",
-       "Context UNKNOWN"
-};
+HashList *CtxList = NULL;
+
+static CtxType CtxCounter = CTX_NONE;
+
+CtxType CTX_STRBUF = CTX_NONE;
+CtxType CTX_STRBUFARR = CTX_NONE;
+CtxType CTX_LONGVECTOR = CTX_NONE;
+
+CtxType CTX_ITERATE = CTX_NONE;
+CtxType CTX_TAB = CTX_NONE;
+
+void HFreeContextType(void *pCtx)
+{
+       CtxTypeStruct *FreeStruct = (CtxTypeStruct *) pCtx;
+       FreeStrBuf(&FreeStruct->Name);
+       free(FreeStruct);
+}
+void PutContextType(const char *name, long len, CtxType TheCtx)
+{
+       CtxTypeStruct *NewStruct;
+
+       NewStruct = (CtxTypeStruct*) malloc(sizeof(CtxTypeStruct));
+       NewStruct->Name = NewStrBufPlain(name, len);
+       NewStruct->Type = TheCtx;
+
+       Put(CtxList, IKEY(NewStruct->Type), NewStruct, HFreeContextType);
+}
+void RegisterContextType(const char *name, long len, CtxType *TheCtx)
+{
+       if (*TheCtx != CTX_NONE)
+               return;
+
+       *TheCtx = ++CtxCounter;
+       PutContextType(name, len, *TheCtx);
+}
+
+CtxTypeStruct *GetContextType(CtxType Type)
+{
+       void *pv = NULL;
+       GetHash(CtxList, IKEY(Type), &pv);
+       return pv;
+}
 
-void StackContext(WCTemplputParams *Super, 
-                 WCTemplputParams *Sub, 
-                 void *Context,
-                 int ContextType,
-                 int nArgs,
-                 WCTemplateToken *Tokens)
+const char *UnknownContext = "CTX_UNKNOWN";
+
+const char *ContextName(CtxType ContextType)
+{
+       CtxTypeStruct *pCtx;
+
+       pCtx = GetContextType(ContextType);
+
+       if (pCtx != NULL) 
+               return ChrPtr(pCtx->Name);
+       else
+               return UnknownContext;
+}
+
+void StackDynamicContext(WCTemplputParams *Super, 
+                        WCTemplputParams *Sub, 
+                        void *Context,
+                        CtxType ContextType,
+                        int nArgs,
+                        WCTemplateToken *Tokens, 
+                        WCConditionalFunc ExitCtx, 
+                        long ExitCTXID)
 {
        memset(Sub, 0, sizeof(WCTemplputParams));
 
@@ -130,12 +164,16 @@ void StackContext(WCTemplputParams *Super,
                Sub->Sub = Super->Sub;
                Super->Sub = Sub;
        }
+       if (Sub->Sub != NULL)
+               Sub->Sub->Super = Sub;
        Sub->Super = Super;
        
        Sub->Context = Context;
        Sub->Filter.ContextType = ContextType;
        Sub->nArgs = nArgs;
        Sub->Tokens = Tokens;
+       Sub->ExitCtx = ExitCtx;
+       Sub->ExitCTXID = ExitCTXID;
 }
 
 void UnStackContext(WCTemplputParams *Sub)
@@ -144,9 +182,20 @@ void UnStackContext(WCTemplputParams *Sub)
        {
                Sub->Super->Sub = Sub->Sub;
        }
+       if (Sub->Sub != NULL)
+       {
+               Sub->Sub->Super = Sub->Super;
+       }
+}
+void UnStackDynamicContext(StrBuf *Target, WCTemplputParams **TPP)
+{
+       WCTemplputParams *TP = *TPP;
+       WCTemplputParams *Super = TP->Super;
+       TP->ExitCtx(Target, TP);
+       *TPP = Super;
 }
 
-void *GetContextPayload(WCTemplputParams *TP, int ContextType)
+void *GetContextPayload(WCTemplputParams *TP, CtxType ContextType)
 {
        WCTemplputParams *whichTP = TP;
 
@@ -167,13 +216,6 @@ void DestroySortStruct(void *vSort)
        free (Sort);
 }
 
-const char *ContextName(int ContextType)
-{
-       if (ContextType < CTX_UNKNOWN)
-               return CtxNames[ContextType];
-       else
-               return CtxNames[CTX_UNKNOWN];
-}
 
 void LogTemplateError (StrBuf *Target, const char *Type, int ErrorPos, WCTemplputParams *TP, const char *Format, ...)
 {
@@ -202,7 +244,7 @@ void LogTemplateError (StrBuf *Target, const char *Type, int ErrorPos, WCTemplpu
        }
        if (TP->Tokens != NULL) 
        {
-               syslog(1, "%s [%s]  (in '%s' line %ld); %s; [%s]\n", 
+               syslog(LOG_WARNING, "%s [%s]  (in '%s' line %ld); %s; [%s]\n", 
                       Type, 
                       Err, 
                       ChrPtr(TP->Tokens->FileName),
@@ -212,7 +254,7 @@ void LogTemplateError (StrBuf *Target, const char *Type, int ErrorPos, WCTemplpu
        }
        else 
        {
-               syslog(1, "%s: %s;\n", 
+               syslog(LOG_WARNING, "%s: %s;\n", 
                       Type, 
                       ChrPtr(Error));
        }
@@ -276,13 +318,10 @@ void LogTemplateError (StrBuf *Target, const char *Type, int ErrorPos, WCTemplpu
        FreeStrBuf(&Error);
 /*
        if (dbg_backtrace_template_errors)
-               wc_backtrace(); 
+               wc_backtrace(LOG_DEBUG); 
 */
 }
 
-
-
-
 void LogError (StrBuf *Target, const char *Type, const char *Format, ...)
 {
        wcsession *WCC;
@@ -297,7 +336,7 @@ void LogError (StrBuf *Target, const char *Type, const char *Format, ...)
        StrBufVAppendPrintf(Error, Format, arg_ptr);
        va_end(arg_ptr);
 
-       syslog(1, "%s", ChrPtr(Error));
+       syslog(LOG_WARNING, "%s", ChrPtr(Error));
 
        WCC = WC;
        if (WCC->WFBuf == NULL) WCC->WFBuf = NewStrBuf();
@@ -311,7 +350,7 @@ void LogError (StrBuf *Target, const char *Type, const char *Format, ...)
        FreeStrBuf(&Error);
 /*
        if (dbg_backtrace_template_errors)
-               wc_backtrace(); 
+               wc_backtrace(LOG_DEBUG); 
 */
 }
 
@@ -322,7 +361,7 @@ void RegisterNS(const char *NSName,
                int nMaxArgs, 
                WCHandlerFunc HandlerFunc, 
                WCPreevalFunc PreevalFunc,
-               int ContextRequired)
+               CtxType ContextRequired)
 {
        HashHandler *NewHandler;
        
@@ -357,7 +396,7 @@ int CheckContext(StrBuf *Target, ContextFilter *Need, WCTemplputParams *TP, cons
                        return 1;
 
                 LogTemplateError(
-                        Target, ErrType, ERR_PARM1, TP,
+                        Target, ErrType, ERR_NAME, TP,
                        "  WARNING: requires Context: [%s], have [%s]!", 
                        ContextName(Need->ContextType), 
                        ContextName(TP->Filter.ContextType));
@@ -429,6 +468,7 @@ int HaveTemplateTokenString(StrBuf *Target,
        case TYPE_STR:
        case TYPE_BSTR:
        case TYPE_PREFSTR:
+       case TYPE_ROOMPREFSTR:
        case TYPE_GETTEXT:
        case TYPE_SUBTEMPLATE:
                return 1;
@@ -446,7 +486,6 @@ void GetTemplateTokenString(StrBuf *Target,
                            long *len)
 {
        StrBuf *Buf;
-///    WCTemplputParams SubTP;
 
        if (N >= TP->Tokens->nParameters) {
                LogTemplateError(Target, 
@@ -490,6 +529,19 @@ void GetTemplateTokenString(StrBuf *Target,
                *Value = ChrPtr(Buf);
                *len = StrLength(Buf);
                break;
+       case TYPE_ROOMPREFSTR:
+               if (TP->Tokens->Params[N]->len == 0) {
+                       LogTemplateError(Target, 
+                                        "TokenParameter", N, TP, 
+                                        "Requesting parameter %d; of type PREFSTR, empty lookup string not admitted.", N);
+                       *len = 0;
+                       *Value = EmptyStr;
+                       break;
+               }
+               Buf = get_ROOM_PREFS(TKEY(N));
+               *Value = ChrPtr(Buf);
+               *len = StrLength(Buf);
+               break;
        case TYPE_LONG:
                LogTemplateError(Target, 
                                 "TokenParameter", N, TP, 
@@ -538,7 +590,7 @@ long GetTemplateTokenNumber(StrBuf *Target, WCTemplputParams *TP, int N, long df
                LogTemplateError(Target, 
                                 "TokenParameter", N, TP, 
                                 "invalid token %d. this shouldn't have come till here.\n", N);
-               wc_backtrace(); 
+               wc_backtrace(LOG_DEBUG); 
                return 0;
        }
 
@@ -569,6 +621,19 @@ long GetTemplateTokenNumber(StrBuf *Target, WCTemplputParams *TP, int N, long df
                if (get_PREF_LONG(TKEY(N), &Ret, dflt))
                        return Ret;
                return 0;
+       case TYPE_ROOMPREFSTR:
+               LogTemplateError(Target, 
+                                "TokenParameter", N, TP, 
+                                "requesting a prefstring in param %d want a number", N);
+               if (TP->Tokens->Params[N]->len == 0) {
+                       LogTemplateError(Target, 
+                                        "TokenParameter", N, TP, 
+                                        "Requesting parameter %d; of type PREFSTR, empty lookup string not admitted.", N);
+                       return 0;
+               }
+               if (get_ROOM_PREFS_LONG(TKEY(N), &Ret, dflt))
+                       return Ret;
+               return 0;
        case TYPE_INTDEFINE:
        case TYPE_LONG:
                return TP->Tokens->Params[N]->lvalue;
@@ -614,6 +679,7 @@ void StrBufAppendTemplate(StrBuf *Target,
        char EscapeAs = ' ';
 
        if ((FormatTypeIndex < TP->Tokens->nParameters) &&
+           (TP->Tokens->Params[FormatTypeIndex] != NULL) &&
            (TP->Tokens->Params[FormatTypeIndex]->Type == TYPE_STR) &&
            (TP->Tokens->Params[FormatTypeIndex]->len >= 1)) {
                pFmt = TP->Tokens->Params[FormatTypeIndex]->Start;
@@ -630,10 +696,10 @@ void StrBufAppendTemplate(StrBuf *Target,
                break;
        case 'J':
                StrECMAEscAppend(Target, Source, NULL);
-         break;
+               break;
        case 'K':
                StrHtmlEcmaEscAppend(Target, Source, NULL, 0, 0);
-         break;
+               break;
        case 'U':
                StrBufUrlescAppend(Target, Source, NULL);
                break;
@@ -648,6 +714,55 @@ void StrBufAppendTemplate(StrBuf *Target,
        }
 }
 
+/*
+ * puts string into the template and computes which escape methon we should use
+ * Source = the string we should put into the template
+ * FormatTypeIndex = where should we look for escape types if?
+ */
+void StrBufAppendTemplateStr(StrBuf *Target, 
+                            WCTemplputParams *TP,
+                            const char *Source, int FormatTypeIndex)
+{
+       const char *pFmt = NULL;
+       char EscapeAs = ' ';
+
+       if ((FormatTypeIndex < TP->Tokens->nParameters) &&
+           (TP->Tokens->Params[FormatTypeIndex]->Type == TYPE_STR) &&
+           (TP->Tokens->Params[FormatTypeIndex]->len >= 1)) {
+               pFmt = TP->Tokens->Params[FormatTypeIndex]->Start;
+               EscapeAs = *pFmt;
+       }
+
+       switch(EscapeAs)
+       {
+       case 'H':
+               StrEscAppend(Target, NULL, Source, 0, 2);
+               break;
+       case 'X':
+               StrEscAppend(Target, NULL, Source, 0, 0);
+               break;
+       case 'J':
+               StrECMAEscAppend(Target, NULL, Source);
+         break;
+       case 'K':
+               StrHtmlEcmaEscAppend(Target, NULL, Source, 0, 0);
+         break;
+       case 'U':
+               StrBufUrlescAppend(Target, NULL, Source);
+               break;
+/*
+       case 'F':
+               if (pFmt != NULL)       pFmt++;
+               else                    pFmt = "JUSTIFY";
+               if (*pFmt == '\0')      pFmt = "JUSTIFY";
+               FmOut(Target, pFmt, Source);
+               break;
+*/
+       default:
+               StrBufAppendBufPlain(Target, Source, -1, 0);
+       }
+}
+
 
 void PutNewToken(WCTemplate *Template, WCTemplateToken *NewToken)
 {
@@ -711,6 +826,14 @@ int GetNextParameter(StrBuf *Buf,
                        ParamBrace = 1;
                }
        }
+       else if (*pch == '.') {
+               Parm->Type = TYPE_ROOMPREFSTR;
+               pch ++;
+               if (*pch == '(') {
+                       pch ++;
+                       ParamBrace = 1;
+               }
+       }
        else if (*pch == ';') {
                Parm->Type = TYPE_PREFINT;
                pch ++;
@@ -764,7 +887,7 @@ int GetNextParameter(StrBuf *Buf,
                }
                pche = pch;
                if (*pch != quote) {
-                       syslog(1, "Error (in '%s' line %ld); "
+                       syslog(LOG_WARNING, "Error (in '%s' line %ld); "
                                "evaluating template param [%s] in Token [%s]\n",
                                ChrPtr(pTmpl->FileName),
                                Tokens->Line,
@@ -778,8 +901,8 @@ int GetNextParameter(StrBuf *Buf,
                else {
                        StrBufPeek(Buf, pch, -1, '\0');         
                        if (LoadTemplates > 1) {                        
-                               syslog(1,
-                                       "DBG: got param [%s] %d %d\n", 
+                               syslog(LOG_DEBUG,
+                                       "DBG: got param [%s] "SIZE_T_FMT" "SIZE_T_FMT"\n", 
                                        pchs, pche - pchs, strlen(pchs)
                                );
                        }
@@ -810,7 +933,7 @@ int GetNextParameter(StrBuf *Buf,
                else {
                        Parm->lvalue = 0;
 /* TODO whUT?
-                       syslog(1, "Error (in '%s' line %ld); "
+                       syslog(LOG_DEBUG, "Error (in '%s' line %ld); "
                                "evaluating long template param [%s] in Token [%s]\n",
                                ChrPtr(pTmpl->FileName),
                                Tokens->Line,
@@ -1077,15 +1200,14 @@ WCTemplateToken *NewTemplateSubstitute(StrBuf *Buf,
                } else {
                        LogTemplateError(
                                NULL, "Token ", ERR_NAME, &TP,
-                               " isn't known to us.", 
-                               NULL);
+                               " isn't known to us.");
                }
                break;
        case SV_GETTEXT:
-               if (NewToken->nParameters !=1) {
+               if ((NewToken->nParameters < 1) || (NewToken->nParameters > 2)) {
                        LogTemplateError(                               
                                NULL, "Gettext", ERR_NAME, &TP,
-                               "requires exactly 1 parameter, you gave %d params", 
+                               "requires 1 or 2 parameter, you gave %d params", 
                                NewToken->nParameters);
                        NewToken->Flags = 0;
                        break;
@@ -1279,13 +1401,13 @@ void *load_template(StrBuf *Target, WCTemplate *NewTemplate)
 
        fd = open(ChrPtr(NewTemplate->FileName), O_RDONLY);
        if (fd <= 0) {
-               syslog(1, "ERROR: could not open template '%s' - %s\n",
+               syslog(LOG_WARNING, "ERROR: could not open template '%s' - %s\n",
                        ChrPtr(NewTemplate->FileName), strerror(errno));
                return NULL;
        }
 
        if (fstat(fd, &statbuf) == -1) {
-               syslog(1, "ERROR: could not stat template '%s' - %s\n",
+               syslog(LOG_WARNING, "ERROR: could not stat template '%s' - %s\n",
                        ChrPtr(NewTemplate->FileName), strerror(errno));
                return NULL;
        }
@@ -1293,7 +1415,7 @@ void *load_template(StrBuf *Target, WCTemplate *NewTemplate)
        NewTemplate->Data = NewStrBufPlain(NULL, statbuf.st_size + 1);
        if (StrBufReadBLOB(NewTemplate->Data, &fd, 1, statbuf.st_size, &Err) < 0) {
                close(fd);
-               syslog(1, "ERROR: reading template '%s' - %s<br>\n",
+               syslog(LOG_WARNING, "ERROR: reading template '%s' - %s<br>\n",
                        ChrPtr(NewTemplate->FileName), strerror(errno));
                return NULL;
        }
@@ -1404,8 +1526,13 @@ int LoadTemplateDir(const StrBuf *DirName, HashList *big, const StrBuf *BaseKey)
        {
                char *MinorPtr;
 
-#ifdef _DIRENT_HAVE_D_NAMELEN
-               d_namelen = filedir_entry->d_namelen;
+#ifdef _DIRENT_HAVE_D_NAMLEN
+               d_namelen = filedir_entry->d_namlen;
+#else
+               d_namelen = strlen(filedir_entry->d_name);
+#endif
+
+#ifdef _DIRENT_HAVE_D_TYPE
                d_type = filedir_entry->d_type;
 #else
 
@@ -1418,7 +1545,6 @@ int LoadTemplateDir(const StrBuf *DirName, HashList *big, const StrBuf *BaseKey)
 #define IFTODT(mode)   (((mode) & 0170000) >> 12)
 #define DTTOIF(dirtype)        ((dirtype) << 12)
 #endif
-               d_namelen = strlen(filedir_entry->d_name);
                d_type = DT_UNKNOWN;
 #endif
                d_without_ext = d_namelen;
@@ -1440,7 +1566,7 @@ int LoadTemplateDir(const StrBuf *DirName, HashList *big, const StrBuf *BaseKey)
                        char path[PATH_MAX];
                        snprintf(path, PATH_MAX, "%s/%s", 
                                 ChrPtr(DirName), filedir_entry->d_name);
-                       if (stat(path, &s) == 0) {
+                       if (lstat(path, &s) == 0) {
                                d_type = IFTODT(s.st_mode);
                        }
                }
@@ -1468,7 +1594,7 @@ int LoadTemplateDir(const StrBuf *DirName, HashList *big, const StrBuf *BaseKey)
                        LoadTemplateDir(SubDirectory, big, SubKey);
 
                        break;
-               case DT_LNK: /* TODO: check whether its a file or a directory */
+               case DT_LNK: 
                case DT_REG:
 
 
@@ -1493,7 +1619,7 @@ int LoadTemplateDir(const StrBuf *DirName, HashList *big, const StrBuf *BaseKey)
                        StrBufAppendBufPlain(Key, filedir_entry->d_name, MinorPtr - filedir_entry->d_name, 0);
 
                        if (LoadTemplates >= 1)
-                               syslog(1, "%s %s\n", ChrPtr(FileName), ChrPtr(Key));
+                               syslog(LOG_DEBUG, "%s %s\n", ChrPtr(FileName), ChrPtr(Key));
                        prepare_template(FileName, Key, big);
                default:
                        break;
@@ -1579,15 +1705,16 @@ void InitTemplateCache(void)
  * \param state are we in conditional state?
  * \param ContextType what type of information does context giv us?
  */
-int EvaluateToken(StrBuf *Target, int state, WCTemplputParams *TP)
+int EvaluateToken(StrBuf *Target, int state, WCTemplputParams **TPP)
 {
        const char *AppendMe;
        long AppendMeLen;
        HashHandler *Handler;
        void *vVar;
+       WCTemplputParams *TP = *TPP;
        
 /* much output, since pName is not terminated...
-       syslog(1,"Doing token: %s\n",Token->pName);
+       syslog(LOG_DEBUG,"Doing token: %s\n",Token->pName);
 */
 
        switch (TP->Tokens->Flags) {
@@ -1597,24 +1724,24 @@ int EvaluateToken(StrBuf *Target, int state, WCTemplputParams *TP)
        case SV_CONDITIONAL: /** Forward conditional evaluation */
                Handler = (HashHandler*) TP->Tokens->PreEval;
                if (!CheckContext(Target, &Handler->Filter, TP, "Conditional")) {
-                       return -1;
+                       return 0;
                }
-               return EvaluateConditional(Target, 1, state, TP);
+               return EvaluateConditional(Target, 1, state, TPP);
                break;
        case SV_NEG_CONDITIONAL: /** Reverse conditional evaluation */
                Handler = (HashHandler*) TP->Tokens->PreEval;
                if (!CheckContext(Target, &Handler->Filter, TP, "Conditional")) {
-                       return -1;
+                       return 0;
                }
-               return EvaluateConditional(Target, 0, state, TP);
+               return EvaluateConditional(Target, 0, state, TPP);
                break;
        case SV_CUST_STR_CONDITIONAL: /** Conditional put custom strings from params */
                Handler = (HashHandler*) TP->Tokens->PreEval;
                if (!CheckContext(Target, &Handler->Filter, TP, "Conditional")) {
-                       return -1;
+                       return 0;
                }
                if (TP->Tokens->nParameters >= 6) {
-                       if (EvaluateConditional(Target, 0, state, TP)) {
+                       if (EvaluateConditional(Target, 0, state, TPP)) {
                                GetTemplateTokenString(Target, TP, 5, &AppendMe, &AppendMeLen);
                                StrBufAppendBufPlain(Target, 
                                                     AppendMe, 
@@ -1628,6 +1755,10 @@ int EvaluateToken(StrBuf *Target, int state, WCTemplputParams *TP)
                                                     AppendMeLen,
                                                     0);
                        }
+                       if (*TPP != TP)
+                       {
+                               UnStackDynamicContext(Target, TPP);
+                       }
                }
                else  {
                        LogTemplateError(
@@ -1642,7 +1773,7 @@ int EvaluateToken(StrBuf *Target, int state, WCTemplputParams *TP)
        case SV_PREEVALUATED:
                Handler = (HashHandler*) TP->Tokens->PreEval;
                if (!CheckContext(Target, &Handler->Filter, TP, "Token")) {
-                       return -1;
+                       return 0;
                }
                Handler->HandlerFunc(Target, TP);
                break;          
@@ -1650,7 +1781,7 @@ int EvaluateToken(StrBuf *Target, int state, WCTemplputParams *TP)
                if (GetHash(GlobalNS, TP->Tokens->pName, TP->Tokens->NameEnd, &vVar)) {
                        Handler = (HashHandler*) vVar;
                        if (!CheckContext(Target, &Handler->Filter, TP, "Token")) {
-                               return -1;
+                               return 0;
                        }
                        else {
                                Handler->HandlerFunc(Target, TP);
@@ -1671,10 +1802,14 @@ const StrBuf *ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, WCTemplputParams
 {
        WCTemplate *pTmpl = Tmpl;
        int done = 0;
-       int i, state;
+       int i;
+       TemplState state;
        const char *pData, *pS;
        long len;
        WCTemplputParams TP;
+       WCTemplputParams *TPtr = &TP;
+
+       memset(TPtr, 0, sizeof(WCTemplputParams));
 
        memcpy(&TP.Filter, &CallingTP->Filter, sizeof(ContextFilter));
 
@@ -1684,7 +1819,7 @@ const StrBuf *ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, WCTemplputParams
 
        if (LoadTemplates != 0) {                       
                if (LoadTemplates > 1)
-                       syslog(1, "DBG: ----- loading:  [%s] ------ \n", 
+                       syslog(LOG_DEBUG, "DBG: ----- loading:  [%s] ------ \n", 
                                ChrPtr(Tmpl->FileName));
                pTmpl = duplicate_template(Tmpl);
                if(load_template(Target, pTmpl) == NULL) {
@@ -1701,7 +1836,7 @@ const StrBuf *ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, WCTemplputParams
        pS = pData = ChrPtr(pTmpl->Data);
        len = StrLength(pTmpl->Data);
        i = 0;
-       state = 0;
+       state = eNext;
        while (!done) {
                if (i >= pTmpl->nTokensUsed) {
                        StrBufAppendBufPlain(Target, 
@@ -1710,28 +1845,56 @@ const StrBuf *ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, WCTemplputParams
                        done = 1;
                }
                else {
+                       int TokenRc = 0;
+
                        StrBufAppendBufPlain(
                                Target, pData, 
                                pTmpl->Tokens[i]->pTokenStart - pData, 0);
-                       TP.Tokens = pTmpl->Tokens[i];
-                       TP.nArgs = pTmpl->Tokens[i]->nParameters;
-                       state = EvaluateToken(Target, state, &TP);
+                       TPtr->Tokens = pTmpl->Tokens[i];
+                       TPtr->nArgs = pTmpl->Tokens[i]->nParameters;
+
+                       TokenRc = EvaluateToken(Target, TokenRc, &TPtr);
+                       if (TokenRc > 0)
+                       {
+                               state = eSkipTilEnd;
+                       }
+                       else if (TokenRc < 0)
+                       {
+                               if ((TPtr != &TP) &&
+                                   (TPtr->ExitCTXID == -TokenRc))
+                               {
+                                       UnStackDynamicContext(Target, &TPtr);
+                               }
+                               TokenRc = 0;
+                       }
 
-                       while ((state != 0) && (i+1 < pTmpl->nTokensUsed)) {
+                       while ((state != eNext) && (i+1 < pTmpl->nTokensUsed)) {
                        /* condition told us to skip till its end condition */
                                i++;
-                               TP.Tokens = pTmpl->Tokens[i];
-                               TP.nArgs = pTmpl->Tokens[i]->nParameters;
+                               TPtr->Tokens = pTmpl->Tokens[i];
+                               TPtr->nArgs = pTmpl->Tokens[i]->nParameters;
                                if ((pTmpl->Tokens[i]->Flags == SV_CONDITIONAL) ||
-                                   (pTmpl->Tokens[i]->Flags == SV_NEG_CONDITIONAL)) {
-                                       if (state == EvaluateConditional(
-                                                   Target, 
-                                                   pTmpl->Tokens[i]->Flags, 
-                                                   state, 
-                                                   &TP))
-                                               state = 0;
+                                   (pTmpl->Tokens[i]->Flags == SV_NEG_CONDITIONAL))
+                               {
+                                       int rc;
+                                       rc = EvaluateConditional(
+                                               Target, 
+                                               pTmpl->Tokens[i]->Flags, 
+                                               TokenRc, 
+                                               &TPtr);
+                                       if (-rc == TokenRc)
+                                       {
+                                               TokenRc = 0;
+                                               state = eNext;
+                                               if ((TPtr != &TP) &&
+                                                   (TPtr->ExitCTXID == - rc))
+                                               {
+                                                       UnStackDynamicContext(Target, &TPtr);
+                                               }
+                                       }
                                }
                        }
+
                        pData = pTmpl->Tokens[i++]->pTokenEnd + 1;
                        if (i > pTmpl->nTokensUsed)
                                done = 1;
@@ -1744,6 +1907,8 @@ const StrBuf *ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, WCTemplputParams
 
 }
 
+
+StrBuf *textPlainType;
 /**
  * \brief Display a variable-substituted template
  * \param templatename template file to load
@@ -1768,25 +1933,30 @@ const StrBuf *DoTemplate(const char *templatename, long len, StrBuf *Target, WCT
 
        if (len == 0)
        {
-               syslog(1, "Can't to load a template with empty name!\n");
+               syslog(LOG_WARNING, "Can't to load a template with empty name!\n");
                StrBufAppendPrintf(Target, "<pre>\nCan't to load a template with empty name!\n</pre>");
-               return NULL;
+               return textPlainType;
        }
 
        if (!GetHash(StaticLocal, templatename, len, &vTmpl) &&
            !GetHash(Static, templatename, len, &vTmpl)) {
-               syslog(1, "didn't find Template [%s] %ld %ld\n", templatename, len , (long)strlen(templatename));
+               StrBuf *escapedString = NewStrBufPlain(NULL, len);
+               
+               StrHtmlEcmaEscAppend(escapedString, NULL, templatename, 1, 1);
+               syslog(LOG_WARNING, "didn't find Template [%s] %ld %ld\n", ChrPtr(escapedString), len , (long)strlen(templatename));
                StrBufAppendPrintf(Target, "<pre>\ndidn't find Template [%s] %ld %ld\n</pre>", 
-                                  templatename, len, 
+                                  ChrPtr(escapedString), len, 
                                   (long)strlen(templatename));
+               WC->isFailure = 1;
 #if 0
                dbg_PrintHash(Static, PrintTemplate, NULL);
                PrintHash(Static, VarPrintTransition, PrintTemplate);
 #endif
-               return NULL;
+               FreeStrBuf(&escapedString);
+               return textPlainType;
        }
        if (vTmpl == NULL) 
-               return NULL;
+               return textPlainType;
        return ProcessTemplate(vTmpl, Target, TP);
 
 }
@@ -1815,12 +1985,13 @@ void tmplput_Comment(StrBuf *Target, WCTemplputParams *TP)
 typedef struct _HashIterator {
        HashList *StaticList;
        int AdditionalParams;
-       int ContextType;
-       int XPectContextType;
+       CtxType ContextType;
+       CtxType XPectContextType;
        int Flags;
        RetrieveHashlistFunc GetHash;
        HashDestructorFunc Destructor;
        SubTemplFunc DoSubTemplate;
+       FilterByParamFunc Filter;
 } HashIterator;
 
 void RegisterITERATOR(const char *Name, long len, 
@@ -1829,8 +2000,9 @@ void RegisterITERATOR(const char *Name, long len,
                      RetrieveHashlistFunc GetHash, 
                      SubTemplFunc DoSubTempl,
                      HashDestructorFunc Destructor,
-                     int ContextType, 
-                     int XPectContextType, 
+                     FilterByParamFunc Filter,
+                     CtxType ContextType, 
+                     CtxType XPectContextType, 
                      int Flags)
 {
        HashIterator *It;
@@ -1842,6 +2014,7 @@ void RegisterITERATOR(const char *Name, long len,
        It->GetHash = GetHash;
        It->DoSubTemplate = DoSubTempl;
        It->Destructor = Destructor;
+       It->Filter = Filter;
        It->ContextType = ContextType;
        It->XPectContextType = XPectContextType;
        It->Flags = Flags;
@@ -1967,7 +2140,7 @@ void tmpl_iterate_subtmpl(StrBuf *Target, WCTemplputParams *TP)
                                /** Ok, its us, lets see in which direction we should sort... */
                                    (havebstr("SortOrder"))) {
                                        int SortOrder;
-                                       SortOrder = LBSTR("SortOrder");
+                                       SortOrder = lbstr("SortOrder");
                                        if (SortOrder != 0)
                                                DetectGroupChange = 1;
                                }
@@ -1995,6 +2168,13 @@ void tmpl_iterate_subtmpl(StrBuf *Target, WCTemplputParams *TP)
                }
                while (GetNextHashPos(List, it, &Status.KeyLen, &Status.Key, &vContext)) {
                        if ((Status.n >= StartAt) && (Status.n <= StopAt)) {
+
+                               if ((It->Filter != NULL) &&
+                                   !It->Filter(Status.Key, Status.KeyLen, vContext, Target, TP)) 
+                               {
+                                       continue;
+                               }
+
                                if (DetectGroupChange && Status.n > 0) {
                                        Status.GroupChange = SortBy->GroupChange(vContext, vLastContext);
                                }
@@ -2073,22 +2253,25 @@ int conditional_ITERATE_LASTN(StrBuf *Target, WCTemplputParams *TP)
 /*-----------------------------------------------------------------------------
  *                      Conditionals
  */
-int EvaluateConditional(StrBuf *Target, int Neg, int state, WCTemplputParams *TP)
+int EvaluateConditional(StrBuf *Target, int Neg, int state, WCTemplputParams **TPP)
 {
        ConditionalStruct *Cond;
        int rc = 0;
        int res;
+       WCTemplputParams *TP = *TPP;
 
        if ((TP->Tokens->Params[0]->len == 1) &&
            (TP->Tokens->Params[0]->Start[0] == 'X'))
-               return (state != 0)?TP->Tokens->Params[1]->lvalue:0;
+       {
+               return - (TP->Tokens->Params[1]->lvalue);
+       }
            
        Cond = (ConditionalStruct *) TP->Tokens->PreEval;
        if (Cond == NULL) {
                LogTemplateError(
                        Target, "Conditional", ERR_PARM1, TP,
                        "unknown!");
-               return 1;
+               return 0;
        }
 
        if (!CheckContext(Target, &Cond->Filter, TP, "Conditional")) {
@@ -2098,17 +2281,24 @@ int EvaluateConditional(StrBuf *Target, int Neg, int state, WCTemplputParams *TP
        res = Cond->CondF(Target, TP);
        if (res == Neg)
                rc = TP->Tokens->Params[1]->lvalue;
+
        if (LoadTemplates > 5) 
-               syslog(1, "<%s> : %d %d==%d\n", 
+               syslog(LOG_DEBUG, "<%s> : %d %d==%d\n", 
                        ChrPtr(TP->Tokens->FlatToken), 
                        rc, res, Neg);
+
+       if (TP->Sub != NULL)
+       {
+               *TPP = TP->Sub;
+       }
        return rc;
 }
 
-void RegisterConditional(const char *Name, long len, 
-                        int nParams,
-                        WCConditionalFunc CondF, 
-                        int ContextRequired)
+void RegisterContextConditional(const char *Name, long len, 
+                               int nParams,
+                               WCConditionalFunc CondF, 
+                               WCConditionalFunc ExitCtxCond,
+                               int ContextRequired)
 {
        ConditionalStruct *Cond;
 
@@ -2118,6 +2308,7 @@ void RegisterConditional(const char *Name, long len,
        Cond->Filter.nMaxArgs = nParams;
        Cond->Filter.nMinArgs = nParams;
        Cond->CondF = CondF;
+       Cond->CondExitCtx = ExitCtxCond;
        Cond->Filter.ContextType = ContextRequired;
        Put(Conditionals, Name, len, Cond, NULL);
 }
@@ -2358,9 +2549,6 @@ void tmpl_do_tabbed(StrBuf *Target, WCTemplputParams *TP)
        }
        StackContext (TP, &SubTP, &TS, CTX_TAB, 0, NULL);
        {
-////   TODO jetzt      memcpy (&SubTP, TP, sizeof(WCTemplputParams));
-//             SubTP.Filter.ControlContextType = ;
-
                StrTabbedDialog(Target, nTabs, TabNames);
                for (i = 0; i < ntabs; i++) {
                        memset(&TS, 0, sizeof(tab_struct));
@@ -2400,7 +2588,7 @@ void RegisterSortFunc(const char *name, long len,
                      CompareFunc Forward, 
                      CompareFunc Reverse, 
                      CompareFunc GroupChange, 
-                     long ContextType)
+                     CtxType ContextType)
 {
        SortStruct *NewSort;
 
@@ -2416,7 +2604,7 @@ void RegisterSortFunc(const char *name, long len,
        NewSort->GroupChange = GroupChange;
        NewSort->ContextType = ContextType;
        if (ContextType == CTX_NONE) {
-               syslog(1, "sorting requires a context. CTX_NONE won't make it.\n");
+               syslog(LOG_WARNING, "sorting requires a context. CTX_NONE won't make it.\n");
                exit(1);
        }
                
@@ -2465,7 +2653,7 @@ CompareFunc RetrieveSort(WCTemplputParams *TP,
                        LogTemplateError(
                                NULL, "Sorting", ERR_PARM1, TP,
                                "Illegal default sort: [%s]", Default);
-                       wc_backtrace();
+                       wc_backtrace(LOG_WARNING);
                }
        }
        SortBy = (SortStruct*)vSortBy;
@@ -2475,7 +2663,7 @@ CompareFunc RetrieveSort(WCTemplputParams *TP,
 
        /** Ok, its us, lets see in which direction we should sort... */
        if (havebstr("SortOrder")) {
-               SortOrder = LBSTR("SortOrder");
+               SortOrder = lbstr("SortOrder");
        }
        else { /** Try to fallback to our remembered values... */
                StrBuf *Buf = NULL;
@@ -2567,7 +2755,7 @@ int GetSortMetric(WCTemplputParams *TP, SortStruct **Next, SortStruct **Param, l
 
        /** Ok, its us, lets see in which direction we should sort... */
        if (havebstr("SortOrder")) {
-               *SortOrder = LBSTR("SortOrder");
+               *SortOrder = lbstr("SortOrder");
        }
        else { /** Try to fallback to our remembered values... */
                if ((*Param)->PrefPrepend == NULL) {
@@ -2710,7 +2898,7 @@ void dbg_print_longvector(long *LongVector)
                        StrBufAppendPrintf(Buf, "%d: %ld]\n", i, LongVector[i]);
 
        }
-       syslog(1, "%s", ChrPtr(Buf));
+       syslog(LOG_DEBUG, "%s", ChrPtr(Buf));
        FreeStrBuf(&Buf);
 }
 
@@ -2756,6 +2944,9 @@ void
 InitModule_SUBST
 (void)
 {
+       RegisterCTX(CTX_TAB);
+       RegisterCTX(CTX_ITERATE);
+
        memset(&NoCtx, 0, sizeof(WCTemplputParams));
        RegisterNamespace("--", 0, 2, tmplput_Comment, NULL, CTX_NONE);
        RegisterNamespace("SORT:ICON", 1, 2, tmplput_SORT_ICON, NULL, CTX_NONE);
@@ -2773,18 +2964,18 @@ InitModule_SUBST
        RegisterNamespace("LONGVECTOR", 1, 1, tmplput_long_vector, NULL, CTX_LONGVECTOR);
 
 
-       RegisterConditional(HKEY("COND:CONTEXTSTR"), 3, ConditionalContextStr, CTX_STRBUF);
-       RegisterConditional(HKEY("COND:CONTEXTSTRARR"), 4, ConditionalContextStrinArray, CTX_STRBUFARR);
-       RegisterConditional(HKEY("COND:LONGVECTOR"), 4, ConditionalLongVector, CTX_LONGVECTOR);
+       RegisterConditional("COND:CONTEXTSTR", 3, ConditionalContextStr, CTX_STRBUF);
+       RegisterConditional("COND:CONTEXTSTRARR", 4, ConditionalContextStrinArray, CTX_STRBUFARR);
+       RegisterConditional("COND:LONGVECTOR", 4, ConditionalLongVector, CTX_LONGVECTOR);
 
 
-       RegisterConditional(HKEY("COND:ITERATE:ISGROUPCHANGE"), 2, 
+       RegisterConditional("COND:ITERATE:ISGROUPCHANGE", 2, 
                            conditional_ITERATE_ISGROUPCHANGE, 
                            CTX_ITERATE);
-       RegisterConditional(HKEY("COND:ITERATE:LASTN"), 2, 
+       RegisterConditional("COND:ITERATE:LASTN", 2, 
                            conditional_ITERATE_LASTN, 
                            CTX_ITERATE);
-       RegisterConditional(HKEY("COND:ITERATE:FIRSTN"), 2, 
+       RegisterConditional("COND:ITERATE:FIRSTN", 2, 
                            conditional_ITERATE_FIRSTN, 
                            CTX_ITERATE);
 
@@ -2804,14 +2995,21 @@ void
 ServerStartModule_SUBST
 (void)
 {
+       textPlainType = NewStrBufPlain(HKEY("text/plain"));
        LocalTemplateCache = NewHash(1, NULL);
        TemplateCache = NewHash(1, NULL);
-
        GlobalNS = NewHash(1, NULL);
        Iterators = NewHash(1, NULL);
        Conditionals = NewHash(1, NULL);
        SortHash = NewHash(1, NULL);
        Defines = NewHash(1, NULL);
+       CtxList = NewHash(1, NULL);
+       
+       PutContextType(HKEY("CTX_NONE"), 0);
+
+       RegisterCTX(CTX_STRBUF);
+       RegisterCTX(CTX_STRBUFARR);
+       RegisterCTX(CTX_LONGVECTOR);
 }
 
 void
@@ -2825,14 +3023,17 @@ void
 ServerShutdownModule_SUBST
 (void)
 {
+       FreeStrBuf(&textPlainType);
+
        DeleteHash(&TemplateCache);
        DeleteHash(&LocalTemplateCache);
-
+       
        DeleteHash(&GlobalNS);
        DeleteHash(&Iterators);
        DeleteHash(&Conditionals);
        DeleteHash(&SortHash);
        DeleteHash(&Defines);
+       DeleteHash(&CtxList);
 }