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rAKA/src/io/dumper/dumper_element_iterator.hh
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/**
* @file dumper_element_iterator.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Tue Sep 02 2014
* @date last modification: Fri May 15 2015
*
* @brief Iterators for elemental fields
*
* @section LICENSE
*
* Copyright (©) 2014, 2015 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __AKANTU_DUMPER_ELEMENT_ITERATOR_HH__
#define __AKANTU_DUMPER_ELEMENT_ITERATOR_HH__
/* -------------------------------------------------------------------------- */
#include "element.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
__BEGIN_AKANTU_DUMPER__
/* -------------------------------------------------------------------------- */
template<class types, template <class> class final_iterator>
class element_iterator {
/* ------------------------------------------------------------------------ */
/* Typedefs */
/* ------------------------------------------------------------------------ */
public:
typedef typename types::it_type it_type;
typedef typename types::field_type field_type;
typedef typename types::array_type array_type;
typedef typename types::array_iterator array_iterator;
typedef final_iterator<types> iterator;
public:
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
element_iterator(const field_type & field,
const typename field_type::type_iterator & t_it,
const typename field_type::type_iterator & t_it_end,
const array_iterator & array_it,
const array_iterator & array_it_end,
const GhostType ghost_type = _not_ghost)
: field(field),
tit(t_it),
tit_end(t_it_end),
array_it(array_it),
array_it_end(array_it_end),
ghost_type(ghost_type) {
}
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
bool operator!=(const iterator & it) const {
return (ghost_type != it.ghost_type)
|| (tit != it.tit || (array_it != it.array_it));
}
iterator & operator++() {
++array_it;
while(array_it == array_it_end && tit != tit_end) {
++tit;
if(tit != tit_end) {
const array_type & vect = field(*tit, ghost_type);
UInt _nb_data_per_elem = getNbDataPerElem(*tit);
UInt nb_component = vect.getNbComponent();
UInt size = (vect.size() * nb_component) / _nb_data_per_elem;
array_it = vect.begin_reinterpret(_nb_data_per_elem,size);
array_it_end = vect.end_reinterpret (_nb_data_per_elem,size);
}
}
return *(static_cast<iterator *>(this));
};
ElementType getType() { return *tit; }
UInt element_type() { return getIOHelperType(*tit); }
Element getCurrentElement(){
return Element(*tit,array_it.getCurrentIndex());
}
UInt getNbDataPerElem(const ElementType & type) const {
if (!nb_data_per_elem.exists(type, ghost_type))
return field(type,ghost_type).getNbComponent();
return nb_data_per_elem(type,ghost_type);
}
void setNbDataPerElem(const ElementTypeMap<UInt> & nb_data){
this->nb_data_per_elem = nb_data;
}
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// the field to iterate on
const field_type & field;
/// field iterator
typename field_type::type_iterator tit;
/// field iterator end
typename field_type::type_iterator tit_end;
/// array iterator
array_iterator array_it;
/// internal iterator end
array_iterator array_it_end;
/// ghost type identification
const GhostType ghost_type;
/// number of data per element
ElementTypeMap<UInt> nb_data_per_elem;
};
/* -------------------------------------------------------------------------- */
template<typename types>
class elemental_field_iterator
: public element_iterator<types, elemental_field_iterator> {
public:
/* ------------------------------------------------------------------------ */
/* Typedefs */
/* ------------------------------------------------------------------------ */
typedef element_iterator<types, ::akantu::dumper::elemental_field_iterator> parent;
typedef typename types::it_type it_type;
typedef typename types::return_type return_type;
typedef typename types::field_type field_type;
typedef typename types::array_iterator array_iterator;
public:
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
elemental_field_iterator(const field_type & field,
const typename field_type::type_iterator & t_it,
const typename field_type::type_iterator & t_it_end,
const array_iterator & array_it,
const array_iterator & array_it_end,
const GhostType ghost_type = _not_ghost) :
parent(field, t_it, t_it_end, array_it, array_it_end, ghost_type) { }
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
return_type operator*(){
return *this->array_it;
}
private:
};
/* -------------------------------------------------------------------------- */
__END_AKANTU_DUMPER__
} // akantu
/* -------------------------------------------------------------------------- */
#endif /* __AKANTU_DUMPER_ELEMENT_ITERATOR_HH__ */
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