// This class closely follows the implementation of the boost
// library scoped_ptr and is an adaption for c++ macro's in
-// the wxWindows project. The original authors of the boost
+// the wxWidgets project. The original authors of the boost
// scoped_ptr are given below with their respective copyrights.
// (C) Copyright Greg Colvin and Beman Dawes 1998, 1999.
wxCHECKED_DELETE(m_ptr); \
}
+// this macro can be used for the most common case when you want to declare and
+// define the scoped pointer at the same time and want to use the standard
+// naming convention: auto pointer to Foo is called FooPtr
+#define wxDEFINE_SCOPED_PTR_TYPE(T) \
+ wxDECLARE_SCOPED_PTR(T, T ## Ptr); \
+ wxDEFINE_SCOPED_PTR(T, T ## Ptr)
+
+// the same but for arrays instead of simple pointers
#define wxDECLARE_SCOPED_ARRAY(T, name)\
class name \
{ \
} \
}
-#endif
+// ----------------------------------------------------------------------------
+// "Tied" scoped pointer: same as normal one but also sets the value of
+// some other variable to the pointer value
+// ----------------------------------------------------------------------------
+
+#define wxDEFINE_TIED_SCOPED_PTR_TYPE(T) \
+ wxDEFINE_SCOPED_PTR_TYPE(T); \
+ class T ## TiedPtr : public T ## Ptr \
+ { \
+ public: \
+ T ## TiedPtr(T **pp, T *p) \
+ : T ## Ptr(p), m_pp(pp) \
+ { \
+ m_pOld = *pp; \
+ *pp = p; \
+ } \
+ \
+ ~ T ## TiedPtr() \
+ { \
+ *m_pp = m_pOld; \
+ } \
+ \
+ private: \
+ T **m_pp; \
+ T *m_pOld; \
+ }
+
+#endif // __WX_SCOPED_POINTER__
+