freCollectionBase.txx

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/*=========================================================================

  Program:   F.R.E.E. - flexible registration evaluation engine
  Version:   v.1.0.0
  Date:      $Date: 2006/09/01 12:00:00 $
  Module:    $RCSfile: freCollectionBase.txx,v $
  Language:  C++



  Copyright (c) 2007 Ralf o Floca (Department of Medical Informatics,
  Institute for Medical Biometry and Informatics, University of Heidelberg,
  Germany). All rights reserved.
  See FREECopyright.txt or http://www.mi.med.uni-hd.de/free/copyright.htm
  for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/

#ifndef __freCollectionBase_txx
#define __freCollectionBase_txx

#include "freCollectionBase.h"

namespace FREE
{

        template <class TElement, class TStorageType>
                void
                CollectionBase< TElement, TStorageType>::
                Reset()
        {
    while (m_Elements.size()) this->DeleteElement(0);
        };

        template <class TElement, class TStorageType>
                CollectionBase< TElement, TStorageType>& 
                CollectionBase< TElement, TStorageType>::
		operator = (const CollectionBase& rCollection)
        {
                if ( this == &rCollection) return *this;

    Reset();
    AddElements(rCollection);

                return *this;
        };

        template <class TElement, class TStorageType>
                CollectionBase< TElement, TStorageType>& 
                CollectionBase< TElement, TStorageType>::
    operator + (const CollectionBase& collection)
        {
    AddElements(collection);
                return *this;
        };

        template <class TElement, class TStorageType>
        typename CollectionBase< TElement, TStorageType>::ElementType*  
                CollectionBase< TElement, TStorageType>::
		GetElement(const ElementsCountType& index) const
        {
                if ((index>=0)&(index<m_Elements.size()))
                {
                        return m_Elements[index];
                };
                return NULL;
        };

        template <class TElement, class TStorageType>
                void
                CollectionBase< TElement, TStorageType>::
		DeleteElement(const ElementsCountType& index)
        {
                if ((index>=0)&(index<m_Elements.size()))
                {
                        m_Elements.erase(m_Elements.begin()+index);
                };
        };

        template <class TElement, class TStorageType>
                typename CollectionBase< TElement, TStorageType>::ElementsCountType
                CollectionBase< TElement, TStorageType>::
		AddElement(ElementType* pElement)
        {
                if (!pElement) throwExceptionMacro("Error; passed element is NULL.");

                m_Elements.push_back(pElement);
                return m_Elements.size()-1;
        };

        template <class TElement, class TStorageType>
                void
                CollectionBase< TElement, TStorageType>::
    AddElements(const CollectionBase& collection)
        {
    ElementsCountType max = collection.Size(); //needed to avoid recursion this+this
                for (ElementsCountType i = 0; i<max; i++)
                {
                        AddElement(*(collection.GetElement(i)));
                }
        }

}//end of namespace FREE

#endif

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