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105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkPDirectory.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 vtkPDirectory
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*
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* vtkPDirectory provides a portable way of finding the names of the files
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* in a system directory where process 0 finds the information and
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* broadcasts it to other processes. It tries to replicate the API for both
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* Directory and vtkDirectory though there are slight mismatches between the
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* two. This is a blocking collective operation.
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*/
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#ifndef vtkPDirectory_h
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#define vtkPDirectory_h
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#include "vtkObject.h"
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#include "vtkParallelCoreModule.h" // For export macro
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#include <string> // for string functions in Directory
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class vtkStringArray;
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class VTKPARALLELCORE_EXPORT vtkPDirectory : public vtkObject
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{
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public:
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static vtkPDirectory* New();
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vtkTypeMacro(vtkPDirectory, vtkObject);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* Open/Load the specified directory and load the names of the files
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* in that directory. false/0 is returned if the directory can not be
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* opened, true/1 if it is opened. The reason that there are two versions
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* of this is that Directory uses Load() and vtkDirectory uses Open()
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* for this functionality.
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*/
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bool Load(const std::string&);
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int Open(const char* dir);
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//@}
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/**
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* Return the number of files in the current directory.
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*/
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vtkIdType GetNumberOfFiles() const;
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/**
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* Return the file at the given index, the indexing is 0 based
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*/
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const char* GetFile(vtkIdType index) const;
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/**
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* Return true if the file is a directory. If the file is not an
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* absolute path, it is assumed to be relative to the opened
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* directory. If no directory has been opened, it is assumed to
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* be relative to the current working directory.
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*/
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int FileIsDirectory(const char* name);
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//@{
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/**
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* Get an array that contains all the file names.
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*/
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vtkGetObjectMacro(Files, vtkStringArray);
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//@}
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/**
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* Return the path to Open'ed directory
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*/
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const char* GetPath() const;
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/**
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* Clear the internal structure. Used internally at beginning of Load(...)
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* to clear the cache.
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*/
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void Clear();
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protected:
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vtkPDirectory();
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~vtkPDirectory() override;
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private:
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// Array of Files
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vtkStringArray* Files; // VTK array of files
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// Path to Open'ed directory
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std::string Path;
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vtkPDirectory(const vtkPDirectory&) = delete;
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void operator=(const vtkPDirectory&) = delete;
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}; // End Class: vtkPDirectory
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#endif
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