--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/deps/Platinum/ThirdParty/Neptune/Source/Core/NptReferences.h	Mon Jul 06 08:06:28 2009 -0700
@@ -0,0 +1,146 @@
+/*****************************************************************
+|
+|   Neptune - References
+|
+| Copyright (c) 2002-2008, Axiomatic Systems, LLC.
+| All rights reserved.
+|
+| Redistribution and use in source and binary forms, with or without
+| modification, are permitted provided that the following conditions are met:
+|     * Redistributions of source code must retain the above copyright
+|       notice, this list of conditions and the following disclaimer.
+|     * Redistributions in binary form must reproduce the above copyright
+|       notice, this list of conditions and the following disclaimer in the
+|       documentation and/or other materials provided with the distribution.
+|     * Neither the name of Axiomatic Systems nor the
+|       names of its contributors may be used to endorse or promote products
+|       derived from this software without specific prior written permission.
+|
+| THIS SOFTWARE IS PROVIDED BY AXIOMATIC SYSTEMS ''AS IS'' AND ANY
+| EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+| WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+| DISCLAIMED. IN NO EVENT SHALL AXIOMATIC SYSTEMS BE LIABLE FOR ANY
+| DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+| LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+| ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+|
+****************************************************************/
+
+#ifndef _NPT_REFERENCES_H_
+#define _NPT_REFERENCES_H_
+
+/*----------------------------------------------------------------------
+|   includes
++---------------------------------------------------------------------*/
+#include "NptConstants.h"
+
+/*----------------------------------------------------------------------
+|   NPT_Reference
++---------------------------------------------------------------------*/
+template <typename T>
+class NPT_Reference
+{
+public:
+    // constructors and destructor
+    NPT_Reference() : m_Object(NULL), m_Counter(NULL) {}
+    explicit NPT_Reference(T* object) : 
+        m_Object(object), m_Counter(object?new NPT_Cardinal(1):NULL) {}
+
+    NPT_Reference(const NPT_Reference<T>& ref) :
+        m_Object(ref.m_Object), m_Counter(ref.m_Counter) {
+        if (m_Counter) ++(*m_Counter);
+    }
+
+    // this methods should be private, but this causes a problem on some
+    // compilers, because we need this function in order to implement
+    // the cast operator operator NPT_Reference<U>() below, which would
+    // have to be marked as a friend, and friend declarations with the 
+    // same class name confuses some compilers
+    NPT_Reference(T* object, NPT_Cardinal* counter) : 
+        m_Object(object), m_Counter(counter) {
+        if (m_Counter) ++(*m_Counter);
+    }
+
+    ~NPT_Reference() {
+        Release();
+    }
+
+    // overloaded operators
+    NPT_Reference<T>& operator=(const NPT_Reference<T>& ref) {
+        if (this != &ref) {
+            Release();
+            m_Object = ref.m_Object;
+            m_Counter = ref.m_Counter;
+            if (m_Counter) ++(*m_Counter);
+        }
+        return *this;
+    }
+    NPT_Reference<T>& operator=(T* object) {
+        Release();
+        m_Object = object;
+        m_Counter = object?new NPT_Cardinal(1):NULL;
+        return *this;
+    }
+    T& operator*() const { return *m_Object; }
+    T* operator->() const { return m_Object; }
+
+    bool operator==(const NPT_Reference<T>& ref) {
+        return m_Object == ref.m_Object;
+    } 
+    bool operator!=(const NPT_Reference<T>& ref) {
+        return m_Object != ref.m_Object;
+    }
+
+    // overloaded cast operators
+    template <typename U> operator NPT_Reference<U>() {
+        return NPT_Reference<U>(m_Object, m_Counter);
+    }
+
+    // methods
+    /**
+     * Returns the naked pointer value.
+     */
+    T* AsPointer() const { return m_Object; }
+    
+    /**
+     * Returns the reference counter value.
+     */
+    NPT_Cardinal GetCounter() const { return *m_Counter; }
+    
+    /**
+     * Returns wether this references a NULL object.
+     */
+    bool IsNull()  const { return m_Object == NULL; }
+    
+    /**
+     * Detach the reference from the shared object.
+     * The reference count is decremented, but the object is not deleted if the
+     * reference count becomes 0.
+     * After the method returns, this reference does not point to any shared object.
+     */
+    void Detach() {
+        if (m_Counter && --(*m_Counter) == 0) {
+            delete m_Counter; 
+        }
+        m_Counter = NULL;
+        m_Object  = NULL;
+    }
+    
+private:
+    // methods
+    void Release() {
+        if (m_Counter && --(*m_Counter) == 0) {
+            delete m_Counter; m_Counter = NULL;
+            delete m_Object;  m_Object  = NULL;
+        }
+    }
+
+    // members
+    T*            m_Object;
+    NPT_Cardinal* m_Counter;
+};
+
+#endif // _NPT_REFERENCES_H_