TEMPLATING: add possibility to stack another context inbetween conditional tags

[citadel.git] / webcit / subst.h

diff --git a/webcit/subst.h b/webcit/subst.h
index 86b76d69070cb39638c9da72b9ba6506b200587f..30c3a6b66ff743379595473b03c1c7ae81ea891e 100644 (file)
--- a/webcit/subst.h
+++ b/webcit/subst.h
@@ -153,6 +153,8 @@ struct WCTemplputParams {
        int nArgs;
        WCTemplateToken *Tokens;
        WCTemplputParams *Sub, *Super;
+       WCConditionalFunc ExitCtx;
+        long ExitCTXID;
 };
 
 
@@ -161,6 +163,7 @@ typedef struct _ConditionalStruct {
        ContextFilter Filter;
        const char *PlainName;
        WCConditionalFunc CondF;
+       WCConditionalFunc CondExitCtx;
 } ConditionalStruct;
 
 
@@ -302,12 +305,21 @@ void RegisterNS(const char *NSName, long len,
  * @param len the token length so we don't have to measure it.
  * @param nParams how many parameters does your conditional need on top of the default conditional parameters
  * @param CondF your Callback to be called when the template is evaluated at runtime; return 0 or 1 to us please.
+ * @param ExitCtxCond if non-NULL, will be called after the area of the conditional is left behind.
  * @param ContextRequired if your token requires a specific context, else say CTX_NONE here.
  */
-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);
+
+#define RegisterCtxConditional(Name, nParams, CondF, ExitCtxCond, ContextRequired) \
+       RegisterContextConditional(Name, sizeof(Name) -1, nParams, CondF, ExitCtxCond, ContextRequired)
+
+#define RegisterConditional(Name, nParams, CondF, ContextRequired) \
+       RegisterContextConditional(Name, sizeof(Name) -1, nParams, CondF, NULL, ContextRequired)
+
 
 /**
  * @ingroup subst
@@ -353,12 +365,18 @@ void RegisterITERATOR(const char *Name, long len, /* Our identifier */
 
 
 
-void StackContext(WCTemplputParams *Super, 
-                 WCTemplputParams *Sub, 
-                 void *Context,
-                 CtxType ContextType,
-                 int nArgs,
-                 WCTemplateToken *Tokens);
+void StackDynamicContext(WCTemplputParams *Super, 
+                        WCTemplputParams *Sub, 
+                        void *Context,
+                        CtxType ContextType,
+                        int nArgs,
+                        WCTemplateToken *Tokens, 
+                        WCConditionalFunc ExitCtx,
+                        long ExitCTXID);
+
+#define StackContext(Super, Sub, Context, ContextType, nArgs, Tokens) \
+       StackDynamicContext(Super, Sub, Context, ContextType, nArgs, Tokens, NULL, 0)
+
 
 void UnStackContext(WCTemplputParams *Sub);