From 98700edbca8cdcaf074db5909fa69c31123e472d Mon Sep 17 00:00:00 2001
From: Eivind Kvedalen <eivind@kvedalen.name>
Date: Sat, 29 Aug 2015 18:06:34 +0200
Subject: [PATCH] Added Base::freecad_dynamic_cast(...)

---
 src/Base/BaseClass.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/src/Base/BaseClass.h b/src/Base/BaseClass.h
index ee7294856..b23ec97b5 100644
--- a/src/Base/BaseClass.h
+++ b/src/Base/BaseClass.h
@@ -103,8 +103,33 @@ public:
 
 };
 
+/**
+ * Template that works just like dynamic_cast, but expects the argument to
+ * inherit from Base::BaseClass.
+ *
+ */
 
+template<typename T> T * freecad_dynamic_cast(Base::BaseClass * t)
+{
+    if (t && t->isDerivedFrom(T::getClassTypeId()))
+        return static_cast<T*>(t);
+    else
+        return 0;
+}
 
+/**
+ * Template that works just like dynamic_cast, but expects the argument to
+ * inherit from a const Base::BaseClass.
+ *
+ */
+
+template<typename T> const T * freecad_dynamic_cast(const Base::BaseClass * t)
+{
+    if (t && t->isDerivedFrom(T::getClassTypeId()))
+        return static_cast<const T*>(t);
+    else
+        return 0;
+}
 
 
 } //namespace Base