VTK
vtkInformationInternals.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkInformationInternals.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
24#ifndef vtkInformationInternals_h
25#define vtkInformationInternals_h
26
27#include "vtkInformationKey.h"
28#include "vtkObjectBase.h"
29
30#define VTK_INFORMATION_USE_HASH_MAP
31#ifdef VTK_INFORMATION_USE_HASH_MAP
32# include <vtksys/hash_map.hxx>
33#else
34# include <map>
35#endif
36
37//----------------------------------------------------------------------------
39{
40public:
43#ifdef VTK_INFORMATION_USE_HASH_MAP
44 struct HashFun
45 {
46 size_t operator()(KeyType key) const
47 {
48 return static_cast<size_t>(key - KeyType(0));
49 }
50 };
51 typedef vtksys::hash_map<KeyType, DataType, HashFun> MapType;
52#else
53 typedef std::map<KeyType, DataType> MapType;
54#endif
56
57#ifdef VTK_INFORMATION_USE_HASH_MAP
59#endif
60
62 {
63 for(MapType::iterator i = this->Map.begin(); i != this->Map.end(); ++i)
64 {
65 if(vtkObjectBase* value = i->second)
66 {
67 value->UnRegister(0);
68 }
69 }
70 }
71};
72
73#undef VTK_INFORMATION_USE_HASH_MAP
74
75#endif
76// VTK-HeaderTest-Exclude: vtkInformationInternals.h
internal structure for vtkInformation
vtksys::hash_map< KeyType, DataType, HashFun > MapType
Superclass for vtkInformation keys.
abstract base class for most VTK objects
Definition: vtkObjectBase.h:66
@ key
Definition: vtkX3D.h:257
@ value
Definition: vtkX3D.h:220
size_t operator()(KeyType key) const