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iterator_array_base_type.hh
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/**
* @file iterator_array_base_type.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date Tue Feb 19 20:58:22 2013
*
* @brief Iterator over contiguous arrays
*
* @section LICENSE
*
* Copyright INRIA and CEA
*
* The LibMultiScale is a C++ parallel framework for the multiscale
* coupling methods dedicated to material simulations. This framework
* provides an API which makes it possible to program coupled simulations
* and integration of already existing codes.
*
* This Project was initiated in a collaboration between INRIA Futurs Bordeaux
* within ScAlApplix team and CEA/DPTA Ile de France.
* The project is now continued at the Ecole Polytechnique Fédérale de Lausanne
* within the LSMS/ENAC laboratory.
*
* This software is governed by the CeCILL-C license under French law and
* abiding by the rules of distribution of free software. You can use,
* modify and/ or redistribute the software under the terms of the CeCILL-C
* license as circulated by CEA, CNRS and INRIA at the following URL
* "http://www.cecill.info".
*
* As a counterpart to the access to the source code and rights to copy,
* modify and redistribute granted by the license, users are provided only
* with a limited warranty and the software's author, the holder of the
* economic rights, and the successive licensors have only limited
* liability.
*
* In this respect, the user's attention is drawn to the risks associated
* with loading, using, modifying and/or developing or reproducing the
* software by the user in light of its specific status of free software,
* that may mean that it is complicated to manipulate, and that also
* therefore means that it is reserved for developers and experienced
* professionals having in-depth computer knowledge. Users are therefore
* encouraged to load and test the software's suitability as regards their
* requirements in conditions enabling the security of their systems and/or
* data to be ensured and, more generally, to use and operate it in the
* same conditions as regards security.
*
* The fact that you are presently reading this means that you have had
* knowledge of the CeCILL-C license and that you accept its terms.
*
*/
#ifndef __LIBMULTISCALE_ITERATOR_ARRAY_BASE_TYPE_HH__
#define __LIBMULTISCALE_ITERATOR_ARRAY_BASE_TYPE_HH__
/* -------------------------------------------------------------------------- */
template <typename T> class ContainerArrayBaseType;
/**
* Class IteratorArray
* Generic iterator over array containers
*/
template <typename T>
class IteratorArrayBaseType : public Iterator<T>
{
public:
//! type of associated container
typedef Container<T,Iterator<T> > myContainer;
//! type of parent in heritage
typedef Iterator<T> Parent;
IteratorArrayBaseType(ContainerArrayBaseType<T> &c):
Iterator<T>(c),
index_courant(0),
index_debut(0)
{
//TODO am�liorer les classe de container et iterator en d�finissant le type T
ContainerArrayBaseType<T> & cont = static_cast<ContainerArrayBaseType<T> &>(Parent::my_cont);
index_fin = cont.nbElem();
};
//! get fist item
T & getFirst(){
Parent::end_flag = false;
index_courant = 0;
tab_parcours = &(static_cast<ContainerArrayBaseType<T>&>(Parent::my_cont).array[0]);
if (static_cast<ContainerArrayBaseType<T>&>(Parent::my_cont).array.size() == 0){
Parent::end_flag = true;
return (static_cast<ContainerArrayBaseType<T>&>(Parent::my_cont).NULL_ELEM);
}
else
return tab_parcours[index_courant];
}
//! get next item in course
T & getNext(){
index_courant ++;
if(index_courant >= index_fin){
--index_courant;
IteratorArrayBaseType<T>::end_flag = true;
}
return tab_parcours[index_courant];
}
private:
//! current index in course
UInt index_courant;
//! first index in course
UInt index_debut;
//! last index in course
UInt index_fin;
//! reference to invalid item
T invalid_ref;
//! pointer to avoid over-cost in using STL vector
T* tab_parcours;
};
#endif /* __LIBMULTISCALE_ITERATOR_ARRAY_BASE_TYPE_HH__ */

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