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GXPrimitiveLL.h

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#ifndef __GXPRIMITIVELL
#define __GXPRIMITIVELL

#include "GXStandardDefines.h"

template<typename type>
class CGXPrimitiveLLNode
{
public:
        CGXPrimitiveLLNode()
        {
                m_pHead=NULL;
        }

        ~CGXPrimitiveLLNode()
        {
                SAFE_DELETE(m_pHead);
        }


        type                                    m_Data;
        CGXPrimitiveLLNode<type>* m_pHead;
};



//type must support bool .Assign(type&)
template<typename type>
class CGXPrimitiveLL
{       
public:
        CGXPrimitiveLL()
        {
                m_pHead=NULL;
                m_pIteratorCurrent=m_pHead;
        }

        ~CGXPrimitiveLL()
        {
                SAFE_DELETE(m_pHead);
        }

        void IteratorFirst()
        {
                m_pIteratorCurrent=m_pHead;
        }

        bool IteratorHasMore()
        {
                return (m_pIteratorCurrent!=NULL);
        }

        bool IteratorNext(type* pOut)
        {
                assert(pOut!=NULL);
                if(!IteratorHasMore())
                {
                        return false;
                }

                if(!pOut->Assign(m_pIteratorCurrent->m_Data))
                {
                        return false;
                }

                m_pIteratorCurrent=m_pIteratorCurrent->m_pHead;

                return true;
        }

        //todo auto array here
        bool AddElement(type* pIn)
        {
                assert(pIn!=NULL);
                
                CGXPrimitiveLLNode<type>* pNew=new CGXPrimitiveLLNode<type>;
                if(!pNew)
                {
                        return false;
                }

                if(!pNew->m_Data.Assign(*pIn))
                {
                        delete pNew;
                        return false;
                }


                pNew->m_pHead=m_pHead;
                IteratorFirst();
                return true;
        }
        

protected:
        CGXPrimitiveLLNode<type>* m_pHead;
        CGXPrimitiveLLNode<type>* m_pIteratorCurrent;
};

#endif

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