initial checkin

MAC_SDK/Shared/SmartPtr.h

@@ -0,0 +1,89 @@
+#ifndef APE_SMARTPTR_H
+#define APE_SMARTPTR_H
+
+// disable the operator -> on UDT warning
+#ifdef _MSC_VER
+    #pragma warning(push)
+    #pragma warning(disable : 4284)
+#endif
+
+/*************************************************************************************************
+CSmartPtr - a simple smart pointer class that can automatically initialize and free memory
+    note: (doesn't do garbage collection / reference counting because of the many pitfalls)
+*************************************************************************************************/
+template <class TYPE> class CSmartPtr
+{
+public:
+    TYPE * m_pObject;
+    BOOL m_bArray;
+    BOOL m_bDelete;
+
+    CSmartPtr()
+    {
+        m_bDelete = TRUE;
+        m_pObject = NULL;
+    }
+    CSmartPtr(TYPE * a_pObject, BOOL a_bArray = FALSE, BOOL a_bDelete = TRUE)
+    {
+        m_bDelete = TRUE;
+        m_pObject = NULL;
+        Assign(a_pObject, a_bArray, a_bDelete);
+    }
+
+    ~CSmartPtr()
+    {
+        Delete();
+    }
+
+    void Assign(TYPE * a_pObject, BOOL a_bArray = FALSE, BOOL a_bDelete = TRUE)
+    {
+        Delete();
+
+        m_bDelete = a_bDelete;
+        m_bArray = a_bArray;
+        m_pObject = a_pObject;
+    }
+
+    void Delete()
+    {
+        if (m_bDelete && m_pObject)
+        {
+            if (m_bArray)
+                delete [] m_pObject;
+            else
+                delete m_pObject;
+
+            m_pObject = NULL;
+        }
+    }
+
+    void SetDelete(const BOOL a_bDelete)
+    {
+        m_bDelete = a_bDelete;
+    }
+
+    __inline TYPE * GetPtr() const
+    {
+        return m_pObject;
+    }
+
+    __inline operator TYPE * () const
+    {
+        return m_pObject;
+    }
+
+    __inline TYPE * operator ->() const
+    {
+        return m_pObject;
+    }
+
+    // declare assignment, but don't implement (compiler error if we try to use)
+    // that way we can't carelessly mix smart pointers and regular pointers
+    __inline void * operator =(void *) const;
+};
+
+#ifdef _MSC_VER
+    #pragma warning(pop)
+#endif _MSC_VER
+
+#endif // #ifndef APE_SMARTPTR_H