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80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkInformationInternals.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 vtkInformationInternals
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* @brief internal structure for vtkInformation
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*
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* vtkInformationInternals is used in internal implementation of
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* vtkInformation. This should only be accessed by friends
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* and sub-classes of that class.
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*/
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#ifndef vtkInformationInternals_h
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#define vtkInformationInternals_h
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#include "vtkInformationKey.h"
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#include "vtkObjectBase.h"
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#define VTK_INFORMATION_USE_HASH_MAP
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#ifdef VTK_INFORMATION_USE_HASH_MAP
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#include <unordered_map>
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#else
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#include <map>
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#endif
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//----------------------------------------------------------------------------
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class vtkInformationInternals
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{
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public:
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typedef vtkInformationKey* KeyType;
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typedef vtkObjectBase* DataType;
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#ifdef VTK_INFORMATION_USE_HASH_MAP
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struct HashFun
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{
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size_t operator()(KeyType key) const { return static_cast<size_t>(key - KeyType(nullptr)); }
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};
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typedef std::unordered_map<KeyType, DataType, HashFun> MapType;
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#else
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typedef std::map<KeyType, DataType> MapType;
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#endif
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MapType Map;
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#ifdef VTK_INFORMATION_USE_HASH_MAP
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vtkInformationInternals()
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: Map(33)
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{
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}
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#endif
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~vtkInformationInternals()
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{
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for (MapType::iterator i = this->Map.begin(); i != this->Map.end(); ++i)
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{
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if (vtkObjectBase* value = i->second)
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{
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value->UnRegister(nullptr);
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}
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}
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}
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private:
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vtkInformationInternals(vtkInformationInternals const&) = delete;
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};
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#undef VTK_INFORMATION_USE_HASH_MAP
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#endif
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// VTK-HeaderTest-Exclude: vtkInformationInternals.h
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