MeshReader.hpp

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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
   (at your option) any later version.
 
   CEPS 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 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
 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
#pragma once
 
#include "common/CepsCommon.hpp"
 
class MeshReader : public FileReader
{
 
  public:
 
    MeshReader() = delete;
  
    MeshReader(const CepsString &mesh, const CepsUInt &dim, CepsBool quads = false);
  
    ~MeshReader() override;
  
    CepsUInt
    getNbCellsRead() const;
  
    CepsUInt
    getNbBdryCellsRead() const;
  
    CepsUInt
    getNbNodes() const;
  
    CepsUInt
    getNbCells() const;
  
    CepsUInt
    getNbBdryCells() const;
  
    virtual CepsInt
    getNbAttributesPerNode() const;
  
    virtual CepsInt
    getNbAttributesPerCell() const;
  
    virtual CepsInt
    getNbAttributesPerBdryCell() const;
  
    virtual void
    initialize() = 0;
  
    virtual void
    readNodes(
      CepsUInt                   indexStart,
      CepsUInt                   indexEnd,
      CepsUInt                   nodeOffset,
      CepsVector<CepsReal>&      coords,
      CepsVector<CepsAttribute>& attr,
      CepsVector<CepsUInt>&      attrPtr
    ) = 0;
  
    virtual void    
    readCells(
      CepsUInt                         indexStart,
      CepsUInt                         indexEnd,
      CepsUInt                         nodeOffset,
      CepsUInt                         cellOffset,
      CepsVector<CepsNodeGlobalIndex>& nodeIndices,
      CepsVector<CepsUInt>&            nodeIndicesPtr,
      CepsVector<CepsAttribute>&       cellAttr,
      CepsVector<CepsUInt>&            cellAttrPtr,
      CepsVector<CepsChar>&            isBoundaryCell
    ) = 0;
 
 
  protected:
 
    virtual void
    getNextCell(
      CepsUInt                         cellId,
      CepsUInt                         fileCellId,
      CepsUInt                         nodeOffset,
      CepsVector<CepsNodeGlobalIndex>& nodeIndices,
      CepsVector<CepsUInt>&            nodeIndicesPtr,
      CepsVector<CepsAttribute>&       cellAttr,
      CepsVector<CepsUInt>&            cellAttrPtr,
      CepsVector<CepsChar>&            isBoundaryCell,
      CepsBool                         boundaryFlag
    ) = 0;
 
    virtual CepsBool
    checkExtension() const;
  
    void
    checkCanReadNodes(CepsUInt indexStart, CepsUInt indexEnd) const;
  
    void
    checkCanReadCells(CepsUInt indexStart, CepsUInt indexEnd) const;
  
 
  protected:
 
    CepsString m_extension;         
  
    CepsUInt m_expectedDim;         
    CepsBool m_quads;               
    CepsBool m_initialized;         
  
    CepsUInt m_cellsRead;           
    CepsUInt m_nbNodesPerCell;      
    CepsUInt m_bdryCellsRead;       
    CepsUInt m_nbNodesPerBdryCell;  
  
    CepsInt  m_nodesBegin;          
    CepsUInt m_nbNodes;             
  
    CepsInt  m_cellsBegin;          
    CepsUInt m_nbCells;             
    CepsUInt m_nbCellsTotal;        
  
    CepsInt  m_bdryCellsBegin;      
    CepsUInt m_nbBdryCells;         
  
    CepsUInt m_nbAttrPerNode;       
    CepsUInt m_nbAttrPerCell;       
    CepsUInt m_nbAttrPerBdryCell;   
};