126 lines
3.0 KiB
C++
126 lines
3.0 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkXMLPDataObjectReader.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkXMLPDataObjectReader
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* @brief Superclass for PVTK XML file readers.
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*
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* vtkXMLPDataObjectReader provides functionality common to all PVTK XML
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* file readers. Concrete subclasses call upon this functionality when needed.
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*/
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#ifndef vtkXMLPDataObjectReader_h
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#define vtkXMLPDataObjectReader_h
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#include "vtkIOXMLModule.h" // For export macro
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#include "vtkXMLReader.h"
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class VTKIOXML_EXPORT vtkXMLPDataObjectReader : public vtkXMLReader
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{
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public:
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vtkTypeMacro(vtkXMLPDataObjectReader, vtkXMLReader);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* Get the number of pieces from the summary file being read.
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*/
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vtkGetMacro(NumberOfPieces, int);
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protected:
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vtkXMLPDataObjectReader();
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~vtkXMLPDataObjectReader() override;
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/**
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* Delete all piece readers and related information
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*/
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virtual void DestroyPieces();
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/**
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* Initialize the output data
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*/
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void SetupOutputData() override;
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/**
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* Setup the number of pieces to be read and allocate space accordingly
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*/
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virtual void SetupPieces(int numPieces);
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/**
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* Pipeline execute information driver. Called by vtkXMLReader.
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*/
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int ReadXMLInformation() override;
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/**
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* Whether or not the current reader can read the current piece
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*/
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virtual int CanReadPiece(int index) = 0;
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/**
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* Setup the piece reader at the given index
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*/
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int ReadPiece(vtkXMLDataElement* ePiece, int index);
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/**
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* Setup the current piece reader. It needs to be overridden by subclass.
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*/
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virtual int ReadPiece(vtkXMLDataElement* ePiece) = 0;
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///@{
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/**
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* Methods for creating a filename for each piece in the dataset
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*/
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char* CreatePieceFileName(const char* fileName);
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void SplitFileName();
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///@}
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///@{
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/**
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* Callback registered with the PieceProgressObserver.
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*/
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static void PieceProgressCallbackFunction(vtkObject*, unsigned long, void*, void*);
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virtual void PieceProgressCallback() = 0;
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///@}
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/**
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* Pieces from the input summary file.
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*/
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int NumberOfPieces;
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/**
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* The piece currently being read.
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*/
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int Piece;
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/**
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* The path to the input file without the file name.
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*/
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char* PathName;
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///@{
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/**
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* Information per-piece.
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*/
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vtkXMLDataElement** PieceElements;
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int* CanReadPieceFlag;
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///@}
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vtkCallbackCommand* PieceProgressObserver;
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private:
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vtkXMLPDataObjectReader(const vtkXMLPDataObjectReader&) = delete;
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void operator=(const vtkXMLPDataObjectReader&) = delete;
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};
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#endif
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