ConstituentItemLocalIdList.h

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2026 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
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/* ConstituentItemLocalIdList.h                                (C) 2000-2024 */
/*                                                                           */
/* Management of local identifier lists for 'ComponentItemInternal'.         */
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#ifndef ARCANE_CORE_MATERIALS_INTERNAL_CONSTITUENTITEMLOCALIDLIST_H
#define ARCANE_CORE_MATERIALS_INTERNAL_CONSTITUENTITEMLOCALIDLIST_H
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#include "arcane/utils/TraceAccessor.h"
#include "arcane/utils/Array.h"
 
#include "arcane/materials/MaterialsGlobal.h"
#include "arcane/core/materials/ComponentItemInternal.h"
 
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namespace Arcane::Materials
{
 
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class ARCANE_CORE_EXPORT ConstituentItemLocalIdList
{
  // For write access to m_constituent_item_index_list
  friend class ConstituentItemVectorImpl;
 
 public:
 
  ConstituentItemLocalIdList(ComponentItemSharedInfo* shared_info, const String& debug_name);
 
 public:
 
  void resize(Int32 new_size);
 
 public:
 
  void setConstituentItem(Int32 index, ConstituentItemIndex id)
  {
    m_constituent_item_index_list[index] = id;
  }
 
  void copy(ConstArrayView<ConstituentItemIndex> ids)
  {
    const Int32 size = ids.size();
    resize(size);
    for (Int32 i = 0; i < size; ++i)
      setConstituentItem(i, ids[i]);
  }
 
  void copy(const ConstituentItemLocalIdListView& view)
  {
    m_shared_info = view.m_component_shared_info;
    const Int32 size = view.m_ids.size();
    resize(size);
    for (Int32 i = 0; i < size; ++i)
      setConstituentItem(i, view.m_ids[i]);
  }
 
  ConstArrayView<ConstituentItemIndex> localIds() const
  {
    return m_constituent_item_index_list;
  }
  SmallSpan<ConstituentItemIndex> mutableLocalIds()
  {
    return m_constituent_item_index_list.view();
  }
  matimpl::ConstituentItemBase itemBase(Int32 index) const
  {
    return m_shared_info->_item(localId(index));
  }
  ConstituentItemIndex localId(Int32 index) const
  {
    return m_constituent_item_index_list[index];
  }
 
  MatVarIndex variableIndex(Int32 index) const
  {
    return m_shared_info->_varIndex(localId(index));
  }
 
  ConstituentItemLocalIdListView view() const
  {
    return { m_shared_info, m_constituent_item_index_list };
  }
 
 private:
 
  SmallSpan<ConstituentItemIndex> _mutableItemIndexList() { return m_constituent_item_index_list.smallSpan(); }

  UniqueArray<ConstituentItemIndex> m_constituent_item_index_list;
 
  ComponentItemSharedInfo* m_shared_info = nullptr;
};
 
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} // namespace Arcane::Materials
 
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#endif