ComponentItemListBuilder.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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/* ComponentItemListBuilder.h                                  (C) 2000-2024 */
/*                                                                           */
/* Helper class for building a list of ComponentItems.                       */
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#ifndef ARCANE_MATERIALS_INTERNAL_COMPONENTITEMLISTBUILDER_H
#define ARCANE_MATERIALS_INTERNAL_COMPONENTITEMLISTBUILDER_H
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#include "arcane/utils/Array.h"
#include "arcane/utils/NumArray.h"
 
#include "arcane/core/materials/MatVarIndex.h"
 
#include "arcane/materials/MaterialsGlobal.h"
 
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namespace Arcane::Materials
{
 
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class ARCANE_MATERIALS_EXPORT ComponentItemListBuilder
{
 public:
 
  ComponentItemListBuilder();
 
 public:
 
  void preAllocate(Int32 nb_item)
  {
    m_partial_local_ids.resize(nb_item);
    m_pure_indexes.resize(nb_item);
    m_partial_indexes.resize(nb_item);
  }
 
  void resize(Int32 nb_pure, Int32 nb_partial)
  {
    m_partial_local_ids.resize(nb_partial);
    m_pure_indexes.resize(nb_pure);
    m_partial_indexes.resize(nb_partial);
  }
 
 public:
 
  SmallSpan<Int32> pureIndexes() { return m_pure_indexes; }
  SmallSpan<Int32> partialIndexes() { return m_partial_indexes; }
  SmallSpan<Int32> partialLocalIds() { return m_partial_local_ids; }
 
  SmallSpan<const Int32> pureIndexes() const { return m_pure_indexes; }
  SmallSpan<const Int32> partialIndexes() const { return m_partial_indexes; }
  SmallSpan<const Int32> partialLocalIds() const { return m_partial_local_ids; }
 
  MeshMaterialVariableIndexer* indexer() const { return m_indexer; }
  void setIndexer(MeshMaterialVariableIndexer* indexer) { m_indexer = indexer; }
 
 private:
 
  NumArray<Int32, MDDim1> m_partial_local_ids;
  NumArray<Int32, MDDim1> m_pure_indexes;
  NumArray<Int32, MDDim1> m_partial_indexes;
 
  MeshMaterialVariableIndexer* m_indexer = nullptr;
};
 
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class ARCANE_MATERIALS_EXPORT ComponentItemListBuilderOld
{
 public:
 
  ComponentItemListBuilderOld(MeshMaterialVariableIndexer* var_indexer,
                              Integer begin_index_in_partial);
 
 public:

  void addPureItem(Int32 local_id)
  {
    m_pure_matvar_indexes.add(MatVarIndex(0, local_id));
  }

  void addPartialItem(Int32 local_id)
  {
    //TODO: when incremental deletion is implemented, it will be necessary
    // to retrieve the correct index from the indexer's free index list.
    m_partial_matvar_indexes.add(MatVarIndex(m_component_index, m_index_in_partial));
    m_partial_local_ids.add(local_id);
    ++m_index_in_partial;
  }
 
 public:
 
  ConstArrayView<MatVarIndex> pureMatVarIndexes() const { return m_pure_matvar_indexes; }
  ConstArrayView<MatVarIndex> partialMatVarIndexes() const { return m_partial_matvar_indexes; }
  ConstArrayView<Int32> partialLocalIds() const { return m_partial_local_ids; }
  MeshMaterialVariableIndexer* indexer() const { return m_indexer; }
 
 private:
 
  Integer m_component_index = -1;
  Integer m_index_in_partial = -1;
 
  UniqueArray<MatVarIndex> m_pure_matvar_indexes;
 
  UniqueArray<MatVarIndex> m_partial_matvar_indexes;
  UniqueArray<Int32> m_partial_local_ids;
 
  MeshMaterialVariableIndexer* m_indexer = nullptr;
};
 
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} // End namespace Arcane::Materials
 
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#endif