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119 lines
3.3 KiB
C
119 lines
3.3 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkFixedWidthTextReader.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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Copyright 2008 Sandia Corporation.
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Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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the U.S. Government retains certain rights in this software.
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-------------------------------------------------------------------------*/
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/**
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* @class vtkFixedWidthTextReader
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* @brief reader for pulling in text files with fixed-width fields
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*
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*
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*
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* vtkFixedWidthTextReader reads in a table from a text file where
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* each column occupies a certain number of characters.
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*
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* This class emits ProgressEvent for every 100 lines it reads.
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*
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*
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* @warning
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* This first version of the reader will assume that all fields have
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* the same width. It also assumes that the first line in the file
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* has at least as many fields (i.e. at least as many characters) as
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* any other line in the file.
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*
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* @par Thanks:
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* Thanks to Andy Wilson from Sandia National Laboratories for
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* implementing this class.
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*/
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#ifndef vtkFixedWidthTextReader_h
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#define vtkFixedWidthTextReader_h
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#include "vtkIOInfovisModule.h" // For export macro
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#include "vtkTableAlgorithm.h"
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class vtkCommand;
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class vtkTable;
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class VTKIOINFOVIS_EXPORT vtkFixedWidthTextReader : public vtkTableAlgorithm
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{
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public:
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static vtkFixedWidthTextReader* New();
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vtkTypeMacro(vtkFixedWidthTextReader, vtkTableAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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vtkGetStringMacro(FileName);
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vtkSetStringMacro(FileName);
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//@{
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/**
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* Set/get the field width
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*/
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vtkSetMacro(FieldWidth, int);
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vtkGetMacro(FieldWidth, int);
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//@}
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//@{
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/**
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* If set, this flag will cause the reader to strip whitespace from
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* the beginning and ending of each field. Defaults to off.
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*/
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vtkSetMacro(StripWhiteSpace, bool);
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vtkGetMacro(StripWhiteSpace, bool);
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vtkBooleanMacro(StripWhiteSpace, bool);
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//@}
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//@{
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/**
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* Set/get whether to treat the first line of the file as headers.
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*/
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vtkGetMacro(HaveHeaders, bool);
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vtkSetMacro(HaveHeaders, bool);
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vtkBooleanMacro(HaveHeaders, bool);
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//@}
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//@{
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/**
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* Set/get the ErrorObserver for the internal vtkTable
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* This is useful for applications that want to catch error messages.
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*/
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void SetTableErrorObserver(vtkCommand*);
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vtkGetObjectMacro(TableErrorObserver, vtkCommand);
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//@}
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protected:
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vtkFixedWidthTextReader();
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~vtkFixedWidthTextReader() override;
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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void OpenFile();
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char* FileName;
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bool HaveHeaders;
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bool StripWhiteSpace;
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int FieldWidth;
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private:
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vtkFixedWidthTextReader(const vtkFixedWidthTextReader&) = delete;
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void operator=(const vtkFixedWidthTextReader&) = delete;
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vtkCommand* TableErrorObserver;
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};
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#endif
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