SafeConstArrayView.h

/*
 * Copyright 2020 IFPEN-CEA
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#pragma once
 
#include <alien/utils/Precomp.h>
 
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namespace Alien
{
 
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template <typename T>
class SafeConstArrayView : private ConstArrayView<T>
{
 public:
  typedef ConstArrayView<T> BaseArrayView;
 
 public:
  SafeConstArrayView() {}

  SafeConstArrayView(ConstArrayView<T> view)
  : BaseArrayView(view)
  {}
 
  // Constructeur de copie
  SafeConstArrayView(const SafeConstArrayView<T>& src) = default;

  SafeConstArrayView(const SharedArray<T>& array)
  : m_array(array)
  {
    this->setArray(m_array.view());
  }

  virtual ~SafeConstArrayView() {}

  SafeConstArrayView& operator=(ConstArrayView<T> view)
  {
    m_array = SharedArray<T>();
    BaseArrayView::operator=(view);
    return *this;
  }

  SafeConstArrayView& operator=(const SharedArray<T>& array)
  {
    m_array = array;
    setArray(m_array.view());
    return *this;
  }
 
 public:
  typedef typename BaseArrayView::value_type value_type;
  typedef typename BaseArrayView::const_iterator const_iterator;
  typedef typename BaseArrayView::const_pointer const_pointer;
  typedef typename BaseArrayView::const_reference const_reference;
  typedef typename BaseArrayView::size_type size_type;
  typedef typename BaseArrayView::difference_type difference_type;
 
 public:
  using BaseArrayView::subView;
  using BaseArrayView::subConstView;
  using BaseArrayView::subViewInterval;
  using BaseArrayView::operator[];
  using BaseArrayView::item;
  using BaseArrayView::size;
  using BaseArrayView::length;
  using BaseArrayView::begin;
  using BaseArrayView::end;
  using BaseArrayView::empty;
  using BaseArrayView::contains;
 
 public:
  BaseArrayView view() const { return *this; }
 
 private:
  SharedArray<T> m_array;
};
 
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} // namespace Alien
 
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