* HAIL MELD!
[citadel.git] / webcit / subst.c
index c3a1fffc02032e4da0e73edee2ac69b04e258076..9d483ba177dea2b89840559574079b0b6964fc6e 100644 (file)
@@ -14,6 +14,8 @@
 #include <unistd.h>
 #include <dirent.h>
 #include <errno.h>
+#include <stdarg.h>
+#define SHOW_ME_VAPPEND_PRINTF
 
 #include "webcit.h"
 #include "webserver.h"
@@ -27,9 +29,19 @@ HashList *LocalTemplateCache;
 
 HashList *GlobalNS;
 HashList *Iterators;
+HashList *Contitionals;
+
+int LoadTemplates = 0;
+
+#define SV_GETTEXT 1
+#define SV_CONDITIONAL 2
+#define SV_NEG_CONDITIONAL 3
+#define SV_CUST_STR_CONDITIONAL 4
+#define SV_SUBTEMPL 5
 
 typedef struct _WCTemplate {
        StrBuf *Data;
+       StrBuf *FileName;
        int nTokensUsed;
        int TokenSpace;
        WCTemplateToken **Tokens;
@@ -41,6 +53,8 @@ typedef struct _HashHandler {
        WCHandlerFunc HandlerFunc;
 }HashHandler;
 
+void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere);
+
 void RegisterNS(const char *NSName, long len, int nMinArgs, int nMaxArgs, WCHandlerFunc HandlerFunc)
 {
        HashHandler *NewHandler;
@@ -68,10 +82,10 @@ void VarPrintEntry(const char *Key, void *vSubst, int odd)
 
        switch(ptr->wcs_type) {
        case WCS_STRING:
-               lprintf(1, "  -> %s\n", ptr->wcs_value);
+               lprintf(1, "  -> %s\n", ChrPtr(ptr->wcs_value));
                break;
        case WCS_SERVCMD:
-               lprintf(1, "  -> Server [%s]\n", ptr->wcs_value);
+               lprintf(1, "  -> Server [%s]\n", ChrPtr(ptr->wcs_value));
                break;
        case WCS_FUNCTION:
                lprintf(1, "  -> function at [%0xd]\n", ptr->wcs_function);
@@ -89,7 +103,6 @@ void VarPrintEntry(const char *Key, void *vSubst, int odd)
 void clear_substs(struct wcsession *wc) {
 
        if (wc->vars != NULL) {
-       
                DeleteHash(&wc->vars);
        }
 }
@@ -101,19 +114,98 @@ void clear_local_substs(void) {
        clear_substs (WC);
 }
 
+int NeedNewBuf(type)
+{
+       switch(type) {
+       case WCS_STRING:
+       case WCS_SERVCMD:
+       case WCS_STRBUF:
+               return 1;
+       case WCS_FUNCTION:
+       case WCS_STRBUF_REF:
+       case WCS_LONG:
+       default:
+               return 0;
+       }
+}
+
+void FlushPayload(wcsubst *ptr, int reusestrbuf, int type)
+{
+       int NeedNew = NeedNewBuf(type);
+       switch(ptr->wcs_type) {
+       case WCS_STRING:
+       case WCS_SERVCMD:
+       case WCS_STRBUF:
+               if (reusestrbuf && NeedNew) {
+                       FlushStrBuf(ptr->wcs_value);
+               }
+               else {
+                       
+                       FreeStrBuf(&ptr->wcs_value);
+                       ptr->wcs_value = NULL;
+               }
+               break;
+       case WCS_FUNCTION:
+               ptr->wcs_function = NULL;
+               if (reusestrbuf && NeedNew)
+                       ptr->wcs_value = NewStrBuf();
+               break;
+       case WCS_STRBUF_REF:
+               ptr->wcs_value = NULL;
+               if (reusestrbuf && NeedNew)
+                       ptr->wcs_value = NewStrBuf();
+               break;
+       case WCS_LONG:
+               ptr->lvalue = 0;
+               if (reusestrbuf && NeedNew)
+                       ptr->wcs_value = NewStrBuf();
+               break;
+       default:
+               if (reusestrbuf && NeedNew)
+                       ptr->wcs_value = NewStrBuf();
+               break;
+       }
+}
+
 /**
  * \brief destructor; kill one entry.
  */
 void deletevar(void *data)
 {
        wcsubst *ptr = (wcsubst*)data;
-//             if ((wc->vars->wcs_type == WCS_STRING)
-//                || (wc->vars->wcs_type == WCS_SERVCMD)) {
-       if (ptr->wcs_type != WCS_FUNCTION)
-               free(ptr->wcs_value);
+       FlushPayload(ptr, 0, ptr->wcs_type);
        free(ptr);      
 }
 
+
+wcsubst *NewSubstVar(const char *keyname, int keylen, int type)
+{
+       wcsubst* ptr;
+       struct wcsession *WCC = WC;
+
+       ptr = (wcsubst *) malloc(sizeof(wcsubst));
+       memset(ptr, 0, sizeof(wcsubst));
+
+       ptr->wcs_type = type;
+       safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
+       Put(WCC->vars, keyname, keylen, ptr,  deletevar);
+
+       switch(ptr->wcs_type) {
+       case WCS_STRING:
+       case WCS_SERVCMD:
+               ptr->wcs_value = NewStrBuf();
+               break;
+       case WCS_STRBUF:
+       case WCS_FUNCTION:
+       case WCS_STRBUF_REF:
+       case WCS_LONG:
+       default:
+               break;
+       }
+       return ptr;
+}
+
+
 /**
  * \brief Add a substitution variable (local to this session) (strlen version...)
  * \param keyname the replacementstring to substitute
@@ -124,7 +216,6 @@ void deletevar(void *data)
 void SVPRINTF(char *keyname, int keytype, const char *format,...)
 {
        va_list arg_ptr;
-       char wbuf[SIZ];
        void *vPtr;
        wcsubst *ptr = NULL;
        size_t keylen;
@@ -138,25 +229,18 @@ void SVPRINTF(char *keyname, int keytype, const char *format,...)
        /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
        if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
                ptr = (wcsubst*)vPtr;
-               if (ptr->wcs_value != NULL)
-                       free(ptr->wcs_value);
+               FlushPayload(ptr, keytype, keytype);
+               ptr->wcs_type = keytype;
        }
        else    /** Otherwise allocate a new one */
        {
-               ptr = (wcsubst *) malloc(sizeof(wcsubst));
-               safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
-               Put(WCC->vars, keyname, keylen, ptr,  deletevar);
+               ptr = NewSubstVar(keyname, keylen, keytype);
        }
 
-       /** Format the string and save it */
-
+       /** Format the string */
        va_start(arg_ptr, format);
-       vsnprintf(wbuf, sizeof wbuf, format, arg_ptr);
+       StrBufVAppendPrintf(ptr->wcs_value, format, arg_ptr);
        va_end(arg_ptr);
-
-       ptr->wcs_function = NULL;
-       ptr->wcs_type = keytype;
-       ptr->wcs_value = strdup(wbuf);
 }
 
 /**
@@ -169,12 +253,10 @@ void SVPRINTF(char *keyname, int keytype, const char *format,...)
 void svprintf(char *keyname, size_t keylen, int keytype, const char *format,...)
 {
        va_list arg_ptr;
-       char wbuf[SIZ];
        void *vPtr;
        wcsubst *ptr = NULL;
        struct wcsession *WCC = WC;
-       size_t len;
-       
+               
        /**
         * First look if we're doing a replacement of
         * an existing key
@@ -182,26 +264,18 @@ void svprintf(char *keyname, size_t keylen, int keytype, const char *format,...)
        /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
        if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
                ptr = (wcsubst*)vPtr;
-               if (ptr->wcs_value != NULL)
-                       free(ptr->wcs_value);
+               FlushPayload(ptr, 1, keytype);
+               ptr->wcs_type = keytype;
        }
        else    /** Otherwise allocate a new one */
        {
-               ptr = (wcsubst *) malloc(sizeof(wcsubst));
-               safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
-               Put(WCC->vars, keyname, keylen, ptr,  deletevar);
+               ptr = NewSubstVar(keyname, keylen, keytype);
        }
 
        /** Format the string and save it */
-
        va_start(arg_ptr, format);
-       len = vsnprintf(wbuf, sizeof wbuf, format, arg_ptr);
+       StrBufVAppendPrintf(ptr->wcs_value, format, arg_ptr);
        va_end(arg_ptr);
-
-       ptr->wcs_value = (char*) malloc(len + 1);
-       memcpy(ptr->wcs_value, wbuf, len + 1);
-       ptr->wcs_function = NULL;
-       ptr->wcs_type = keytype;
 }
 
 /**
@@ -225,19 +299,45 @@ void SVPut(char *keyname, size_t keylen, int keytype, char *Data)
        /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
        if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
                ptr = (wcsubst*)vPtr;
-               if (ptr->wcs_value != NULL)
-                       free(ptr->wcs_value);
+               FlushPayload(ptr, 1, keytype);
+               ptr->wcs_type = keytype;
        }
        else    /** Otherwise allocate a new one */
        {
-               ptr = (wcsubst *) malloc(sizeof(wcsubst));
-               safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
-               Put(WCC->vars, keyname, keylen, ptr,  deletevar);
+               ptr = NewSubstVar(keyname, keylen, keytype);
        }
+       StrBufAppendBufPlain(ptr->wcs_value, Data, -1, 0);
+}
+
+/**
+ * \brief Add a substitution variable (local to this session)
+ * \param keyname the replacementstring to substitute
+ * \param keytype the kind of the key
+ * \param format the format string ala printf
+ * \param ... the arguments to substitute in the formatstring
+ */
+void SVPutLong(char *keyname, size_t keylen, long Data)
+{
+       void *vPtr;
+       wcsubst *ptr = NULL;
+       struct wcsession *WCC = WC;
 
-       ptr->wcs_function = NULL;
-       ptr->wcs_type = keytype;
-       ptr->wcs_value = strdup(Data);
+       
+       /**
+        * First look if we're doing a replacement of
+        * an existing key
+        */
+       /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
+       if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
+               ptr = (wcsubst*)vPtr;
+               FlushPayload(ptr, 1, WCS_LONG);
+               ptr->wcs_type = WCS_LONG;
+       }
+       else    /** Otherwise allocate a new one */
+       {
+               ptr = NewSubstVar(keyname, keylen, WCS_LONG);
+       }
+       ptr->lvalue = Data;
 }
 
 /**
@@ -258,18 +358,14 @@ void SVCallback(char *keyname, size_t keylen, var_callback_fptr fcn_ptr)
        /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
        if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
                ptr = (wcsubst*)vPtr;
-               if (ptr->wcs_value != NULL)
-                       free(ptr->wcs_value);
+               FlushPayload(ptr, 1, WCS_FUNCTION);
+               ptr->wcs_type = WCS_FUNCTION;
        }
        else    /** Otherwise allocate a new one */
        {
-               ptr = (wcsubst *) malloc(sizeof(wcsubst));
-               safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
-               Put(WCC->vars, keyname, keylen, ptr,  deletevar);
+               ptr = NewSubstVar(keyname, keylen, WCS_FUNCTION);
        }
 
-       ptr->wcs_value = NULL;
-       ptr->wcs_type = WCS_FUNCTION;
        ptr->wcs_function = fcn_ptr;
 }
 inline void SVCALLBACK(char *keyname, var_callback_fptr fcn_ptr)
@@ -292,30 +388,25 @@ void SVPUTBuf(const char *keyname, int keylen, StrBuf *Buf, int ref)
        /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
        if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
                ptr = (wcsubst*)vPtr;
-               if (ptr->wcs_value != NULL)
-                       free(ptr->wcs_value);///TODO: respect type
+               FlushPayload(ptr, 0, (ref)?WCS_STRBUF_REF:WCS_STRBUF);
+               ptr->wcs_type = (ref)?WCS_STRBUF_REF:WCS_STRBUF;
        }
        else    /** Otherwise allocate a new one */
        {
-               ptr = (wcsubst *) malloc(sizeof(wcsubst));
-               safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
-               Put(WCC->vars, keyname, keylen, ptr,  deletevar);
+               ptr = NewSubstVar(keyname, keylen, (ref)?WCS_STRBUF_REF:WCS_STRBUF);
        }
-
-       ptr->wcs_value = NULL;
-       ptr->wcs_type = (ref)?WCS_STRBUF:WCS_STRBUF_REF;
-       ptr->wcs_function = (var_callback_fptr) Buf; ////TODO
+       ptr->wcs_value = Buf;
 }
 
 /**
  * \brief back end for print_value_of() ... does a server command
  * \param servcmd server command to execute on the citadel server
  */
-void pvo_do_cmd(StrBuf *Target, char *servcmd) {
+void pvo_do_cmd(StrBuf *Target, StrBuf *servcmd) {
        char buf[SIZ];
        int len;
 
-       serv_puts(servcmd);
+       serv_puts(ChrPtr(servcmd));
        len = serv_getln(buf, sizeof buf);
 
        switch(buf[0]) {
@@ -345,15 +436,19 @@ void print_value_of(StrBuf *Target, const char *keyname, size_t keylen) {
        void *vVar;
 
        /*if (WCC->vars != NULL) PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
+       /// TODO: debricated!
        if (keyname[0] == '=') {
                DoTemplate(keyname+1, keylen - 1, NULL, NULL);
        }
+
+//////TODO: if param[1] == "U" -> urlescape
+/// X -> escputs
        /** Page-local variables */
        if ((WCC->vars!= NULL) && GetHash(WCC->vars, keyname, keylen, &vVar)) {
                ptr = (wcsubst*) vVar;
                switch(ptr->wcs_type) {
                case WCS_STRING:
-                       StrBufAppendBufPlain(Target, (const char*)ptr->wcs_value, -1, 0);
+                       StrBufAppendBuf(Target, ptr->wcs_value, 0);
                        break;
                case WCS_SERVCMD:
                        pvo_do_cmd(Target, ptr->wcs_value);
@@ -363,7 +458,10 @@ void print_value_of(StrBuf *Target, const char *keyname, size_t keylen) {
                        break;
                case WCS_STRBUF:
                case WCS_STRBUF_REF:
-                       StrBufAppendBuf(Target, (StrBuf*) ptr->wcs_function, 0);
+                       StrBufAppendBuf(Target, ptr->wcs_value, 0);
+                       break;
+               case WCS_LONG:
+                       StrBufAppendPrintf(Target, "%ld", ptr->lvalue);
                        break;
                default:
                        lprintf(1,"WARNING: invalid value in SV-Hash at %s!", keyname);
@@ -386,7 +484,7 @@ void PutNewToken(WCTemplate *Template, WCTemplateToken *NewToken)
                                sizeof(WCTemplateToken*) * 
                                Template->TokenSpace * 2);
                        memcpy(NewTokens, Template->Tokens, 
-                              sizeof(WCTemplateToken) * Template->nTokensUsed);
+                              sizeof(WCTemplateToken*) * Template->nTokensUsed);
                        free(Template->Tokens);
                        Template->TokenSpace *= 2;
                        Template->Tokens = NewTokens;
@@ -395,7 +493,7 @@ void PutNewToken(WCTemplate *Template, WCTemplateToken *NewToken)
        Template->Tokens[(Template->nTokensUsed)++] = NewToken;
 }
 
-TemplateParam *GetNextParamter(StrBuf *Buf, const char **pCh, const char *pe)
+TemplateParam *GetNextParameter(StrBuf *Buf, const char **pCh, const char *pe, WCTemplateToken *Token, WCTemplate *pTmpl)
 {
        const char *pch = *pCh;
        const char *pchs, *pche;
@@ -423,14 +521,22 @@ TemplateParam *GetNextParamter(StrBuf *Buf, const char **pCh, const char *pe)
                }
                pche = pch;
                if (*pch != quote) {
-                       lprintf(1, "Error evaluating template param [%s]\n", *pCh);
+                       lprintf(1, "Error (in '%s' line %ld); "
+                               "evaluating template param [%s] in Token [%s]\n",
+                               ChrPtr(pTmpl->FileName),
+                               Token->Line,
+                               ChrPtr(Token->FlatToken),
+                               *pCh);
                        pch ++;
                        free(Parm);
                        return NULL;
                }
                else {
                        StrBufPeek(Buf, pch, -1, '\0');         
-                       lprintf(1, "DBG: got param [%s]\n", pchs);
+                       if (LoadTemplates > 1) {                        
+                               lprintf(1, "DBG: got param [%s] %ld %ld\n", 
+                                       pchs, pche - pchs, strlen(pchs));
+                       }
                        Parm->Start = pchs;
                        Parm->len = pche - pchs;
                        pch ++; /* move after trailing quote */
@@ -453,7 +559,12 @@ TemplateParam *GetNextParamter(StrBuf *Buf, const char **pCh, const char *pe)
                }
                else {
                        Parm->lvalue = 0;
-                       lprintf(1, "Error evaluating template long param [%s]", *pCh);
+                       lprintf(1, "Error (in '%s' line %ld); "
+                               "evaluating long template param [%s] in Token [%s]\n",
+                               ChrPtr(pTmpl->FileName),
+                               Token->Line,
+                               ChrPtr(Token->FlatToken),
+                               *pCh);
                        free(Parm);
                        return NULL;
                }
@@ -471,18 +582,22 @@ TemplateParam *GetNextParamter(StrBuf *Buf, const char **pCh, const char *pe)
 WCTemplateToken *NewTemplateSubstitute(StrBuf *Buf, 
                                       const char *pStart, 
                                       const char *pTmplStart, 
-                                      const char *pTmplEnd)
+                                      const char *pTmplEnd, 
+                                      long Line,
+                                      WCTemplate *pTmpl)
 {
        const char *pch;
        TemplateParam *Param;
        WCTemplateToken *NewToken = (WCTemplateToken*)malloc(sizeof(WCTemplateToken));
 
-       NewToken->IsGettext = 0;
+       NewToken->Flags = 0;
+       NewToken->Line = Line + 1;
        NewToken->pTokenStart = pTmplStart;
        NewToken->TokenStart = pTmplStart - pStart;
        NewToken->TokenEnd =  (pTmplEnd - pStart) - NewToken->TokenStart;
        NewToken->pTokenEnd = pTmplEnd;
        NewToken->NameEnd = NewToken->TokenEnd - 2;
+       NewToken->FlatToken = NewStrBufPlain(pTmplStart, pTmplEnd - pTmplStart);
        
        StrBufPeek(Buf, pTmplStart, + 1, '\0');
        StrBufPeek(Buf, pTmplEnd, -1, '\0');
@@ -497,11 +612,12 @@ WCTemplateToken *NewTemplateSubstitute(StrBuf *Buf,
                        NewToken->NameEnd = pch - NewToken->pName;
                        pch ++;
                        while (pch < pTmplEnd - 1) {
-                               Param = GetNextParamter(Buf, &pch, pTmplEnd - 1);
+                               Param = GetNextParameter(Buf, &pch, pTmplEnd - 1, NewToken, pTmpl);
                                if (Param != NULL) {
                                        NewToken->HaveParameters = 1;
                                        if (NewToken->nParameters > MAXPARAM) {
                                                lprintf(1, "Only %ld Tokens supported!\n", MAXPARAM);
+                                               free(Param);
                                                return NULL;
                                        }
                                        NewToken->Params[NewToken->nParameters++] = Param;
@@ -509,16 +625,44 @@ WCTemplateToken *NewTemplateSubstitute(StrBuf *Buf,
                                else break;
                        }
                        if((NewToken->NameEnd == 1) &&
-                          (NewToken->HaveParameters == 1) && 
-                          (NewToken->nParameters == 1) &&
-                          (*(NewToken->pName) == '_'))
-                               NewToken->IsGettext = 1;
+                          (NewToken->HaveParameters == 1))
+                          
+                       {
+                               if ((NewToken->nParameters == 1) &&
+                                   (*(NewToken->pName) == '_'))
+                                       NewToken->Flags = SV_GETTEXT;
+                               else if ((NewToken->nParameters == 1) &&
+                                        (*(NewToken->pName) == '='))
+                                       NewToken->Flags = SV_SUBTEMPL;
+                               else if ((NewToken->nParameters >= 2) &&
+                                        (*(NewToken->pName) == '%'))
+                                       NewToken->Flags = SV_CUST_STR_CONDITIONAL;
+                               else if ((NewToken->nParameters >= 2) &&
+                                        (*(NewToken->pName) == '?'))
+                                       NewToken->Flags = SV_CONDITIONAL;
+                               else if ((NewToken->nParameters >=2) &&
+                                        (*(NewToken->pName) == '!'))
+                                       NewToken->Flags = SV_NEG_CONDITIONAL;
+                       }
                }
                else pch ++;            
        }
        return NewToken;
 }
 
+void FreeToken(WCTemplateToken **Token)
+{
+       int i; 
+       FreeStrBuf(&(*Token)->FlatToken);
+       if ((*Token)->HaveParameters) 
+               for (i = 0; i < (*Token)->nParameters; i++)
+                       free((*Token)->Params[i]);
+       free(*Token);
+       *Token = NULL;
+}
+
+
+
 void FreeWCTemplate(void *vFreeMe)
 {
        int i;
@@ -526,55 +670,140 @@ void FreeWCTemplate(void *vFreeMe)
 
        if (FreeMe->TokenSpace > 0) {
                for (i = 0; i < FreeMe->nTokensUsed; i ++) {
-                       free(FreeMe->Tokens[i]);
+                       FreeToken(&FreeMe->Tokens[i]);
                }
                free(FreeMe->Tokens);
        }
+       FreeStrBuf(&FreeMe->FileName);
+       FreeStrBuf(&FreeMe->Data);
        free(FreeMe);
 }
 
-void EvaluateToken(StrBuf *Target, WCTemplateToken *Token, void *Context)
+
+int EvaluateConditional(WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int Neg, int state)
+{
+       void *vConditional;
+       ConditionalStruct *Cond;
+
+       if ((Token->Params[0]->len == 1) &&
+           (Token->Params[0]->Start[0] == 'X'))
+               return (state != 0)?Token->Params[1]->lvalue:0;
+
+       if (!GetHash(Contitionals, 
+                Token->Params[0]->Start,
+                Token->Params[0]->len,
+                &vConditional)) {
+               lprintf(1, "Conditional [%s] (in '%s' line %ld); Not found![%s]\n", 
+                       Token->Params[0]->Start,
+                       ChrPtr(pTmpl->FileName),
+                       Token->Line,
+                       ChrPtr(Token->FlatToken));
+       }
+           
+       Cond = (ConditionalStruct *) vConditional;
+
+       if (Cond == NULL) {
+               lprintf(1, "Conditional [%s] (in '%s' line %ld); Not found![%s]\n", 
+                       Token->Params[0]->Start,
+                       ChrPtr(pTmpl->FileName),
+                       Token->Line,
+                       ChrPtr(Token->FlatToken));
+               return 0;
+       }
+       if (Token->nParameters < Cond->nParams) {
+               lprintf(1, "Conditional [%s] (in '%s' line %ld); needs %ld Params![%s]\n", 
+                       Token->Params[0]->Start,
+                       ChrPtr(pTmpl->FileName),
+                       Token->Line,
+                       Cond->nParams,
+                       ChrPtr(Token->FlatToken));
+               return 0;
+       }
+       if (Cond->CondF(Token, Context) == Neg)
+               return Token->Params[1]->lvalue;
+       return 0;
+}
+
+int EvaluateToken(StrBuf *Target, WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int state)
 {
        void *vVar;
 // much output, since pName is not terminated...
 //     lprintf(1,"Doing token: %s\n",Token->pName);
-       if (Token->IsGettext)
+       switch (Token->Flags) {
+       case SV_GETTEXT:
                TmplGettext(Target, Token->nParameters, Token);
-       else if (GetHash(GlobalNS, Token->pName, Token->NameEnd, &vVar)) {
-               HashHandler *Handler;
-               Handler = (HashHandler*) vVar;
-               if ((Token->nParameters < Handler->nMinArgs) || 
-                   (Token->nParameters > Handler->nMaxArgs)) {
-                       lprintf(1, "Handler [%s] doesn't work with %ld params", 
-                               Token->pName,
-                               Token->nParameters);
+               break;
+       case SV_CONDITIONAL: /** Forward conditional evaluation */
+               return EvaluateConditional(Token, pTmpl, Context, 1, state);
+               break;
+       case SV_NEG_CONDITIONAL: /** Reverse conditional evaluation */
+               return EvaluateConditional(Token, pTmpl, Context, 0, state);
+               break;
+       case SV_CUST_STR_CONDITIONAL: /** Conditional put custom strings from params */
+               if (Token->nParameters >= 6) {
+                       if (EvaluateConditional(Token, pTmpl, Context, 0, state))
+                               StrBufAppendBufPlain(Target, 
+                                                    Token->Params[5]->Start,
+                                                    Token->Params[5]->len,
+                                                    0);
+                       else
+                               StrBufAppendBufPlain(Target, 
+                                                    Token->Params[4]->Start,
+                                                    Token->Params[4]->len,
+                                                    0);
+               }
+               break;
+       case SV_SUBTEMPL:
+               if (Token->nParameters == 1)
+                       DoTemplate(Token->Params[0]->Start, Token->Params[0]->len, NULL, NULL);
+               break;
+       default:
+               if (GetHash(GlobalNS, Token->pName, Token->NameEnd, &vVar)) {
+                       HashHandler *Handler;
+                       Handler = (HashHandler*) vVar;
+                       if ((Token->nParameters < Handler->nMinArgs) || 
+                           (Token->nParameters > Handler->nMaxArgs)) {
+                               lprintf(1, "Handler [%s] doesn't work with %ld params", 
+                                       Token->pName,
+                                       Token->nParameters);
+                       }
+                       else {
+                               Handler->HandlerFunc(Target, 
+                                                    Token->nParameters,
+                                                    Token,
+                                                    Context); /*TODO: subset of that */
+                               
+                               
+                       }
                }
                else {
-                       Handler->HandlerFunc(Target, 
-                                            Token->nParameters,
-                                            Token,
-                                            Context); /*TODO: subset of that */
-               
-                       
+                       print_value_of(Target, Token->pName, Token->NameEnd);
                }
        }
-       else {
-               print_value_of(Target, Token->pName, Token->NameEnd);
-       }
+       return 0;
 }
 
 void ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, void *Context)
 {
+       WCTemplate *pTmpl = Tmpl;
        int done = 0;
-       int i;
+       int i, state;
        const char *pData, *pS;
        long len;
 
-       pS = pData = ChrPtr(Tmpl->Data);
-       len = StrLength(Tmpl->Data);
+       if (LoadTemplates != 0) {                       
+               if (LoadTemplates > 1)
+                       lprintf(1, "DBG: ----- loading:  [%s] ------ \n", 
+                               ChrPtr(Tmpl->FileName));
+               pTmpl = load_template(Tmpl->FileName, NULL, NULL);
+       }
+
+       pS = pData = ChrPtr(pTmpl->Data);
+       len = StrLength(pTmpl->Data);
        i = 0;
+       state = 0;
        while (!done) {
-               if (i >= Tmpl->nTokensUsed) {
+               if (i >= pTmpl->nTokensUsed) {
                        StrBufAppendBufPlain(Target, 
                                             pData, 
                                             len - (pData - pS), 0);
@@ -583,14 +812,49 @@ void ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, void *Context)
                else {
                        StrBufAppendBufPlain(
                                Target, pData, 
-                               Tmpl->Tokens[i]->pTokenStart - pData, 0);
-                       EvaluateToken(Target, Tmpl->Tokens[i], Context);
-                       pData = Tmpl->Tokens[i++]->pTokenEnd + 1;
+                               pTmpl->Tokens[i]->pTokenStart - pData, 0);
+                       state = EvaluateToken(Target, pTmpl->Tokens[i], pTmpl, Context, state);
+                       while ((state != 0) && (i+1 < pTmpl->nTokensUsed)) {
+                       /* condition told us to skip till its end condition */
+                               i++;
+                               if ((pTmpl->Tokens[i]->Flags == SV_CONDITIONAL) ||
+                                   (pTmpl->Tokens[i]->Flags == SV_NEG_CONDITIONAL)) {
+                                       if (state == EvaluateConditional(pTmpl->Tokens[i], 
+                                                                        pTmpl,
+                                                                        Context, 
+                                                                        pTmpl->Tokens[i]->Flags,
+                                                                        state))
+                                               state = 0;
+                               }
+                       }
+                       pData = pTmpl->Tokens[i++]->pTokenEnd + 1;
+                       if (i > pTmpl->nTokensUsed)
+                               done = 1;
                }
        }
+       if (LoadTemplates != 0) {
+               FreeWCTemplate(pTmpl);
+       }
 }
 
 
+/**
+ * \brief Display a variable-substituted template
+ * \param templatename template file to load
+ */
+void *prepare_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
+{
+       WCTemplate *NewTemplate;
+       NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
+       NewTemplate->Data = NULL;
+       NewTemplate->FileName = NewStrBufDup(filename);
+       NewTemplate->nTokensUsed = 0;
+       NewTemplate->TokenSpace = 0;
+       NewTemplate->Tokens = NULL;
+
+       Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
+       return NewTemplate;
+}
 
 /**
  * \brief Display a variable-substituted template
@@ -601,6 +865,7 @@ void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
        int fd;
        struct stat statbuf;
        const char *pS, *pE, *pch, *Err;
+       long Line;
        int pos;
        WCTemplate *NewTemplate;
 
@@ -619,6 +884,7 @@ void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
 
        NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
        NewTemplate->Data = NewStrBufPlain(NULL, statbuf.st_size);
+       NewTemplate->FileName = NewStrBufDup(filename);
        NewTemplate->nTokensUsed = 0;
        NewTemplate->TokenSpace = 0;
        NewTemplate->Tokens = NULL;
@@ -631,6 +897,7 @@ void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
        }
        close(fd);
 
+       Line = 0;
        pS = pch = ChrPtr(NewTemplate->Data);
        pE = pS + StrLength(NewTemplate->Data);
        while (pch < pE) {
@@ -641,6 +908,7 @@ void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
                for (; pch < pE; pch ++) {
                        if ((*pch=='<')&&(*(pch + 1)=='?'))
                                break;
+                       if (*pch=='\n') Line ++;
                }
                if (pch >= pE)
                        continue;
@@ -660,13 +928,25 @@ void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
                        continue;
                pte = pch;
                PutNewToken(NewTemplate, 
-                           NewTemplateSubstitute(NewTemplate->Data, pS, pts, pte));
+                           NewTemplateSubstitute(NewTemplate->Data, pS, pts, pte, Line, NewTemplate));
                pch ++;
        }
-       Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
+       if (LoadTemplates == 0)
+               Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
        return NewTemplate;
 }
 
+
+///void PrintTemplate(const char *Key, void *vSubst, int odd)
+const char* PrintTemplate(void *vSubst)
+{
+       WCTemplate *Tmpl = vSubst;
+
+       return ChrPtr(Tmpl->FileName);
+
+}
+
+
 /**
  * \brief Display a variable-substituted template
  * \param templatename template file to load
@@ -690,7 +970,9 @@ void DoTemplate(const char *templatename, long len, void *Context, StrBuf *Targe
 
        if (!GetHash(StaticLocal, templatename, len, &vTmpl) &&
            !GetHash(Static, templatename, len, &vTmpl)) {
-               printf ("didn't find %s\n", templatename);
+               printf ("didn't find %s %ld %ld\n", templatename, len , (long)strlen(templatename));
+///            dbg_PrintHash(Static, PrintTemplate, NULL);
+//             PrintHash(Static, VarPrintTransition, PrintTemplate);
                return;
        }
        if (vTmpl == NULL) 
@@ -743,7 +1025,10 @@ int LoadTemplateDir(const char *DirName, HashList *wireless, HashList *big)
 
 
                printf("%s %d %s\n",ChrPtr(FileName), IsMobile, ChrPtr(Tag));
-               load_template(FileName, Tag, (IsMobile)?wireless:big);          
+               if (LoadTemplates == 0)
+                       load_template(FileName, Tag, (IsMobile)?wireless:big);
+               else
+                       prepare_template(FileName, Tag, (IsMobile)?wireless:big);
        }
        closedir(filedir);
        FreeStrBuf(&FileName);
@@ -851,11 +1136,45 @@ void tmpl_iterate_subtmpl(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, vo
                        
                StrBufAppendBuf(Target, SubBuf, 0);
                FlushStrBuf(SubBuf);
+               oddeven = ~ oddeven;
        }
+       FreeStrBuf(&SubBuf);
        DeleteHashPos(&it);
        It->Destructor(List);
 }
 
+int ConditionalVar(WCTemplateToken *Tokens, void *Context)
+{
+       void *vsubst;
+       wcsubst *subst;
+       
+       if (!GetHash(WC->vars, 
+                    Tokens->Params[2]->Start,
+                    Tokens->Params[2]->len,
+                    &vsubst))
+               return 0;
+       subst = (wcsubst*) vsubst;
+       switch(subst->wcs_type) {
+       case WCS_FUNCTION:
+               return (subst->wcs_function!=NULL);
+       case WCS_SERVCMD:
+               lprintf(1, "  -> Server [%s]\n", subst->wcs_value);////todo
+               return 1;
+       case WCS_STRING:
+       case WCS_STRBUF:
+       case WCS_STRBUF_REF:
+               if (Tokens->nParameters < 4)
+                       return 1;
+               return (strcmp(Tokens->Params[3]->Start, ChrPtr(subst->wcs_value)) == 0);
+       case WCS_LONG:
+               if (Tokens->nParameters < 4)
+                       return (subst->lvalue != 0);
+               return (subst->lvalue == Tokens->Params[3]->lvalue);
+       default:
+               lprintf(1,"  WARNING: invalid type: [%ld]!\n", subst->wcs_type);
+       }
+       return 0;
+}
 
 void RegisterITERATOR(const char *Name, long len, 
                      HashList *StaticList, 
@@ -871,20 +1190,87 @@ void RegisterITERATOR(const char *Name, long len,
        Put(Iterators, Name, len, It, NULL);
 }
 
+void RegisterConditional(const char *Name, long len, 
+                        int nParams,
+                        WCConditionalFunc CondF)
+{
+       ConditionalStruct *Cond = (ConditionalStruct*)malloc(sizeof(ConditionalStruct));
+       Cond->nParams = nParams;
+       Cond->CondF = CondF;
+       Put(Contitionals, Name, len, Cond, NULL);
+}
+
+void tmpl_do_boxed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
+{
+       if (nArgs == 2) {
+               StrBuf *Headline = NewStrBuf();
+               DoTemplate(Tokens->Params[1]->Start, 
+                          Tokens->Params[1]->len,
+                          Context, 
+                          Headline);
+               SVPutBuf("BOXTITLE", Headline, 0);
+       }
+
+       DoTemplate(HKEY("beginbox"), Context, Target);
+       DoTemplate(Tokens->Params[0]->Start, 
+                  Tokens->Params[0]->len,
+                  Context, 
+                  Target);
+       DoTemplate(HKEY("endbox"), Context, Target);
+}
+
+void tmpl_do_tabbed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
+{
+       StrBuf **TabNames;
+       int i, ntabs, nTabs;
+
+       nTabs = ntabs = Tokens->nParameters / 2;
+       TabNames = (StrBuf **) malloc(ntabs * sizeof(StrBuf*));
+
+       for (i = 0; i < ntabs; i++) {
+               TabNames[i] = NewStrBuf();
+               if (Tokens->Params[i * 2]->len > 0) {
+                       DoTemplate(Tokens->Params[i * 2]->Start, 
+                                  Tokens->Params[i * 2]->len,
+                                  Context,
+                                  TabNames[i]);
+               }
+               else { 
+                       /** A Tab without subject? we can't count that, add it as silent */
+                       nTabs --;
+               }
+       }
+
+       StrTabbedDialog(Target, nTabs, TabNames);
+       for (i = 0; i < ntabs; i++) {
+               StrBeginTab(Target, i, nTabs);
+
+               DoTemplate(Tokens->Params[i * 2 + 1]->Start, 
+                          Tokens->Params[i * 2 + 1]->len,
+                          Context, 
+                          Target);
+               StrEndTab(Target, i, nTabs);
+       }
+}
+
 void 
 InitModule_SUBST
 (void)
 {
-       RegisterNamespace("SERV_PID", 0, 0, tmplput_serv_ip);
-       RegisterNamespace("SERV_NODENAME", 0, 0, tmplput_serv_nodename);
-       RegisterNamespace("SERV_HUMANNODE", 0, 0, tmplput_serv_humannode);
-       RegisterNamespace("SERV_FQDN", 0, 0, tmplput_serv_fqdn);
-       RegisterNamespace("SERV_SOFTWARE", 0, 0, tmmplput_serv_software);
-       RegisterNamespace("SERV_REV_LEVEL", 0, 0, tmplput_serv_rev_level);
-       RegisterNamespace("SERV_BBS_CITY", 0, 0, tmmplput_serv_bbs_city);
+       RegisterNamespace("SERV:PID", 0, 0, tmplput_serv_ip);
+       RegisterNamespace("SERV:NODENAME", 0, 0, tmplput_serv_nodename);
+       RegisterNamespace("SERV:HUMANNODE", 0, 0, tmplput_serv_humannode);
+       RegisterNamespace("SERV:FQDN", 0, 0, tmplput_serv_fqdn);
+       RegisterNamespace("SERV:SOFTWARE", 0, 0, tmmplput_serv_software);
+       RegisterNamespace("SERV:REV_LEVEL", 0, 0, tmplput_serv_rev_level);
+       RegisterNamespace("SERV:BBS_CITY", 0, 0, tmmplput_serv_bbs_city);
+///    RegisterNamespace("SERV:LDAP_SUPP", 0, 0, tmmplput_serv_ldap_enabled);
        RegisterNamespace("CURRENT_USER", 0, 0, tmplput_current_user);
        RegisterNamespace("CURRENT_ROOM", 0, 0, tmplput_current_room);
        RegisterNamespace("ITERATE", 2, 4, tmpl_iterate_subtmpl);
+       RegisterNamespace("DOBOXED", 1, 2, tmpl_do_boxed);
+       RegisterNamespace("DOTABBED", 2, 100, tmpl_do_tabbed);
+       RegisterConditional(HKEY("COND:SUBST"), 3, ConditionalVar);
 }
 
 /*@}*/