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vtkHeap.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkHeap.h,v $
00005   Language:  C++
00006 
00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
00008   All rights reserved.
00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00010 
00011      This software is distributed WITHOUT ANY WARRANTY; without even 
00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00013      PURPOSE.  See the above copyright notice for more information.
00014 
00015 =========================================================================*/
00039 #ifndef __vtkHeap_h
00040 #define __vtkHeap_h
00041 
00042 #include "vtkObject.h"
00043 
00044 //BTX
00045 class VTK_COMMON_EXPORT vtkHeapNode
00046 {
00047 public:
00048   void* Ptr;
00049   vtkHeapNode* Next;
00050   vtkHeapNode():Ptr(0),Next(0) {};
00051 };
00052 //ETX
00053 
00054 class VTK_COMMON_EXPORT vtkHeap : public vtkObject
00055 {
00056 public:
00057   static vtkHeap *New();
00058   vtkTypeRevisionMacro(vtkHeap,vtkObject);
00059   void PrintSelf(ostream& os, vtkIndent indent);
00060 
00062   void* AllocateMemory(size_t n);
00063   
00065   char* StringDup(const char* str);
00066 
00068 
00069   vtkGetMacro(NumberOfAllocations,int);
00071 
00072 protected:  
00073   vtkHeap();
00074   ~vtkHeap();
00075 
00076   void Add(vtkHeapNode* node);
00077   void CleanAll();
00078   vtkHeapNode* DeleteAndNext();
00079 
00080   vtkHeapNode* First;
00081   vtkHeapNode* Last;
00082   vtkHeapNode* Current;
00083 
00084   int NumberOfAllocations;
00085 private:
00086   vtkHeap(const vtkHeap&); // Not implemented.
00087   void operator=(const vtkHeap&);  // Not implemented.
00088 };
00089 
00090 #endif