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79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkInformationKeyLookup.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 vtkInformationKeyLookup
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* @brief Find vtkInformationKeys from name and
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* location strings.
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*/
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#ifndef vtkInformationKeyLookup_h
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#define vtkInformationKeyLookup_h
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#include "vtkCommonCoreModule.h" // For export macro
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#include "vtkObject.h"
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#include <map> // For std::map
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#include <string> // For std::string
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#include <utility> // For std::pair
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class vtkInformationKey;
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class VTKCOMMONCORE_EXPORT vtkInformationKeyLookup : public vtkObject
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{
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public:
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static vtkInformationKeyLookup* New();
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vtkTypeMacro(vtkInformationKeyLookup, vtkObject);
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/**
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* Lists all known keys.
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*/
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* Find an information key from name and location strings. For example,
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* Find("GUI_HIDE", "vtkAbstractArray") returns vtkAbstractArray::GUI_HIDE.
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* Note that this class only knows about keys in modules that are currently
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* linked to the running executable.
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*/
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static vtkInformationKey* Find(const std::string& name, const std::string& location);
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protected:
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vtkInformationKeyLookup();
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~vtkInformationKeyLookup() override;
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friend class vtkInformationKey;
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/**
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* Add a key to the KeyMap. This is done automatically in the
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* vtkInformationKey constructor.
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*/
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static void RegisterKey(
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vtkInformationKey* key, const std::string& name, const std::string& location);
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private:
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vtkInformationKeyLookup(const vtkInformationKeyLookup&) = delete;
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void operator=(const vtkInformationKeyLookup&) = delete;
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typedef std::pair<std::string, std::string> Identifier; // Location, Name
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typedef std::map<Identifier, vtkInformationKey*> KeyMap;
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// Using a static function / variable here to ensure static initialization
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// works as intended, since key objects are static, too.
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static KeyMap& Keys();
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};
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#endif // vtkInformationKeyLookup_h
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