[ZooLib-checkins] SF.net SVN: zoolib:[2686] trunk/zoolib/source/cxx/zoolib/zconfigl.h

[<ag...@us...>]

Revision: 2686
          http://zoolib.svn.sourceforge.net/zoolib/?rev=2686&view=rev
Author:   agreen
Date:     2012-01-26 17:17:25 +0000 (Thu, 26 Jan 2012)
Log Message:
-----------
Add NonConst and DynNonConst template functions.
Move null into ZooLib namespace.

Modified Paths:
--------------
    trunk/zoolib/source/cxx/zoolib/zconfigl.h

Modified: trunk/zoolib/source/cxx/zoolib/zconfigl.h
===================================================================
--- trunk/zoolib/source/cxx/zoolib/zconfigl.h	2012-01-26 04:16:33 UTC (rev 2685)
+++ trunk/zoolib/source/cxx/zoolib/zconfigl.h	2012-01-26 17:17:25 UTC (rev 2686)
@@ -309,15 +309,48 @@
 // empty value of some sort, but where we don't want to have to manually create the value each time.
 
 #ifdef __cplusplus
-	const class notnull_t {} notnull = {};
-	const struct null_t
-		{
-		const notnull_t operator!() const { return notnull; }
-		} null = {};
+
+namespace ZooLib {
+
+const class notnull_t {} notnull = {};
+
+const struct null_t
+	{
+	const notnull_t operator!() const { return notnull; }
+	} null = {};
+
+} // namespace ZooLib
+
 #endif
 
 // =================================================================================================
 
+#ifdef __cplusplus
+
+namespace ZooLib {
+
+template <class T>
+T* NonConst(const T* iT)
+	{ return const_cast<T*>(iT); }
+
+template <class T>
+T& NonConst(const T& iT)
+	{ return const_cast<T&>(iT); }
+
+template <class P, class T>
+P DynNonConst(const T* iT)
+	{ return dynamic_cast<P>(NonConst(iT)); }
+
+template <class P, class T>
+P DynNonConst(const T& iT)
+	{ return dynamic_cast<P>(NonConst(iT)); }
+
+} // namespace ZooLib
+
+#endif
+
+// =================================================================================================
+
 #if __MACH__
 	#define ZMACINCLUDE2(a,b) <a/b>
 	#if __MWERKS__

This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.