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CntrCloner.hh

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#ifndef MANGO_CONTAINER_CLONER_H
#define MANGO_CONTAINER_CLONER_H

#include "nullness.hh"
#include "OwnedFWD.hh"
#include "CntrClonerFWD.hh"

namespace MangoPtr
{          
    template <typename Container>
    struct CntrCloner
    {
        inline static void execute(Container& obj);
    };
    template <typename T>
    struct CntrCloner<T*> 
    {
        static void execute(T*& ptr) 
        {
            if (isNotNull(ptr))
            {
                T* const newPtr = new T(*ptr);
                ptr = newPtr;
            }
        }
    };
    template <typename T>
    struct CntrCloner<Owned<T,OStrict>* > 
    {
        typedef Owned<T,OStrict> OT;
        static void execute(OT*& ptr) 
        {
            if (isNotNull(ptr))
            {
                OT* const newPtr = new OT();
                assert( isNotNull(newPtr) );
                ptr->cloneObjNew( newPtr->cntr() );
                ptr = newPtr;
            }
        }
    };
    template <typename Container>
    struct CntrClonerSorted
    {
        template <typename X>
        static void xform(Container& obj, X* x)
        {
            X* tmp = new X(*x);
            obj.insert(tmp);
        }
        template <typename X, typename Y>
        static void xform(Container& obj, const std::pair<X*const,Y>& x)
        {
            X* tmp = new X(*(x.first));
            obj[tmp] = x.second;
        }
        static void execute(Container& obj) 
        {
            Container tmpSet;
            std::swap(obj, tmpSet);
            for (typename Container::iterator ii = tmpSet.begin();
                 ii != tmpSet.end(); ++ ii) 
            {
                xform(obj, *ii);
            }
        }
    };
    
    template <typename Container>
    inline void 
    CntrCloner<Container>::execute(Container& obj) 
    {
        for (typename Container::iterator ii = obj.begin();
             ii != obj.end(); ++ ii) 
            CntrCloner<typename Container::value_type>::execute(*ii);
    }
        
} // namespace


#endif // MANGO_CONTAINER_CLONER_H

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