UT_LinkListT.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 */

#ifndef __UT_LinkListT_h__
#define __UT_LinkListT_h__

#include "UT_LinkList.h"

// These template classes are used to hide some of the casting
// and node management associated with UT_LinkList.


template <class T>
class UT_LinkNodeT : public UT_LinkNode
{
public:
    explicit UT_LinkNodeT(const T &src_data) : UT_LinkNode(), data(src_data) {}

    UT_LinkNodeT<T>            *&prev()
        { return reinterpret_cast<UT_LinkNodeT<T> *&>(UT_LinkNode::prev()); }
    UT_LinkNodeT<T>            *&next()
        { return reinterpret_cast<UT_LinkNodeT<T> *&>(UT_LinkNode::next()); }
    const UT_LinkNodeT<T>       *prev() const
        { return static_cast<const UT_LinkNodeT<T> *>(UT_LinkNode::prev()); }
    const UT_LinkNodeT<T>       *next() const
        { return static_cast<const UT_LinkNodeT<T> *>(UT_LinkNode::next()); }

    T           data;
};

template <class T>
class UT_LinkListT : public UT_LinkList
{
public:
    UT_LinkListT() {}
    ~UT_LinkListT() override {}

    UT_LinkNodeT<T>     *next(UT_LinkNodeT<T> *node) const
                        {
                            return (UT_LinkNodeT<T> *) UT_LinkList::next(node);
                        }

    UT_LinkNodeT<T>     *prev(UT_LinkNodeT<T> *node) const
                        {
                            return (UT_LinkNodeT<T> *) UT_LinkList::prev(node);
                        }
    
    UT_LinkNodeT<T>     *head() const
                        {
                            return (UT_LinkNodeT<T> *) UT_LinkList::head();
                        }
    
    UT_LinkNodeT<T>     *tail() const
                        {
                            return (UT_LinkNodeT<T> *) UT_LinkList::tail();
                        }
    
    void                append( const T &data )
                        {
                            UT_LinkNodeT<T>*    temp;

                            temp = new UT_LinkNodeT<T>(data);

                            UT_LinkList::append( temp );
                        }
    
    void                append(UT_LinkNodeT<T> *node)
                        {
                            UT_LinkList::append(node);
                        }
};


#endif // __UT_LinkListT_h__