AbstractSelector.tpp

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/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   This file is part of CEPS.
 
   CEPS is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with CEPS (see file LICENSE at root of project).
   If not, see <https://www.gnu.org/licenses/>.
 
 
   Copyright 2019-2024 Inria, Universite de Bordeaux
 
   Authors, in alphabetical order:
 
     Pierre-Elliott BECUE, Florian CARO, Yves COUDIERE(*), Andjela DAVIDOVIC, 
     Charlie DOUANLA-LONTSI, Marc FUENTES, Mehdi JUHOOR, Michael LEGUEBE(*), 
     Pauline MIGERDITICHAN, Valentin PANNETIER(*), Nejib ZEMZEMI.
     * : currently active authors
 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
/** @file AbstractSelector.tpp Utility that selects geometric entities with a criterion */
#include "geometry/selectors/AbstractSelector.hpp"
 
template <class _Iterator>
AbstractSelector<_Iterator>&
AbstractSelector<_Iterator>::operator= (const AbstractSelector &that)
{
  if (ceps::isDifferentPtr (this, &that))
    m_selected = that.m_selected;
  return *this;
}
 
template <class _Iterator>
void
AbstractSelector<_Iterator>::onlyOnBoundary(CepsBool value)
{
  m_keepOnBoundary = value;
  return;
}
 
template <class _Iterator>
void
AbstractSelector<_Iterator>::onlyOnThisProc(CepsBool value)
{
  m_keepOnThisProc = value;
  return;
}
 
template <class _Iterator>
void
AbstractSelector<_Iterator>::appendSelectedTo (CepsVector<Object>* selected)
{
  CEPS_ABORT_IF(ceps::isNullPtr(selected),
    "Cannot append selection into vector pointed with nullptr"
  );
  ceps::pushBack (*selected, m_selected.begin(), m_selected.end());
  return;
}
 
template <class _Iterator>
CepsVector<typename AbstractSelector<_Iterator>::Object> 
AbstractSelector<_Iterator>::getSelected() const
{
  return m_selected;
}
 
template <class _Iterator>
void
AbstractSelector<_Iterator>::clearSelection()
{
  m_selected.clear();
  return;
}
 
template <class _Iterator>
void
AbstractSelector<_Iterator>::reset()
{
  m_keepOnBoundary = false;
  m_keepOnThisProc = false;
  m_selected.clear();
  return;
}
 
template <class _Iterator>
AbstractSelector<_Iterator>::AbstractSelector():
  m_keepOnBoundary(false),
  m_keepOnThisProc(false)
{
}
 
template <class _Iterator>
void
AbstractSelector<_Iterator>::internalRun (Selector *selector, _Iterator first, _Iterator last)
{
  Selector select1 = *selector;
  if constexpr (std::is_convertible<Object,ceps::HoldsBoundary*>::value)
    if (m_keepOnBoundary)
    {
      select1 = [&] (Object obj) {
        if (obj->isBoundary())
          return (*selector)(obj);
        return false;
      };
    }
 
  Selector select2 = select1;
  if constexpr (std::is_convertible<Object,ceps::HoldsProcIds*>::value)
    if (m_keepOnThisProc)
    {
      select2 = [&] (Object obj) {
        if (obj->getOwner() == ceps::getRank())
          return select1(obj);
        return false;
      };
    }
    
  return internalRun2 (&select2,first,last);
}
 
template <class _Iterator>
void
AbstractSelector<_Iterator>::internalRun2 (Selector *selector, _Iterator first, _Iterator last)
{
  m_selected.clear ();
  m_selected.reserve (std::distance (first, last));
  for (_Iterator it = first; it != last; ++it)
    if ((*selector) (*it))
      m_selected.push_back (*it);
  return;
}