You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
96 lines
3.6 KiB
96 lines
3.6 KiB
/*=========================================================================
|
|
|
|
Program: Visualization Toolkit
|
|
Module: $RCSfile: vtkFilteringInformationKeyManager.cxx,v $
|
|
|
|
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
|
|
All rights reserved.
|
|
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
|
|
|
|
This software is distributed WITHOUT ANY WARRANTY; without even
|
|
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
PURPOSE. See the above copyright notice for more information.
|
|
|
|
=========================================================================*/
|
|
#include "vtkFilteringInformationKeyManager.h"
|
|
|
|
#include "vtkInformationKey.h"
|
|
|
|
#include <vtkstd/vector>
|
|
|
|
// Subclass vector so we can directly call constructor. This works
|
|
// around problems on Borland C++.
|
|
struct vtkFilteringInformationKeyManagerKeysType:
|
|
public vtkstd::vector<vtkInformationKey*>
|
|
{
|
|
typedef vtkstd::vector<vtkInformationKey*> Superclass;
|
|
typedef Superclass::iterator iterator;
|
|
};
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Must NOT be initialized. Default initialization to zero is
|
|
// necessary.
|
|
static unsigned int vtkFilteringInformationKeyManagerCount;
|
|
static vtkFilteringInformationKeyManagerKeysType* vtkFilteringInformationKeyManagerKeys;
|
|
|
|
//----------------------------------------------------------------------------
|
|
vtkFilteringInformationKeyManager::vtkFilteringInformationKeyManager()
|
|
{
|
|
if(++vtkFilteringInformationKeyManagerCount == 1)
|
|
{
|
|
vtkFilteringInformationKeyManager::ClassInitialize();
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
vtkFilteringInformationKeyManager::~vtkFilteringInformationKeyManager()
|
|
{
|
|
if(--vtkFilteringInformationKeyManagerCount == 0)
|
|
{
|
|
vtkFilteringInformationKeyManager::ClassFinalize();
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void vtkFilteringInformationKeyManager::Register(vtkInformationKey* key)
|
|
{
|
|
// Register this instance for deletion by the singleton.
|
|
vtkFilteringInformationKeyManagerKeys->push_back(key);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void vtkFilteringInformationKeyManager::ClassInitialize()
|
|
{
|
|
// Allocate the singleton storing pointers to information keys.
|
|
// This must be a malloc/free pair instead of new/delete to work
|
|
// around problems on MachO (Mac OSX) runtime systems that do lazy
|
|
// symbol loading. Calling operator new here causes static
|
|
// initialization to occur in other translation units immediately,
|
|
// which then may try to access the vector before it is set here.
|
|
void* keys = malloc(sizeof(vtkFilteringInformationKeyManagerKeysType));
|
|
vtkFilteringInformationKeyManagerKeys =
|
|
new (keys) vtkFilteringInformationKeyManagerKeysType;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void vtkFilteringInformationKeyManager::ClassFinalize()
|
|
{
|
|
if(vtkFilteringInformationKeyManagerKeys)
|
|
{
|
|
// Delete information keys.
|
|
for(vtkFilteringInformationKeyManagerKeysType::iterator i =
|
|
vtkFilteringInformationKeyManagerKeys->begin();
|
|
i != vtkFilteringInformationKeyManagerKeys->end(); ++i)
|
|
{
|
|
vtkInformationKey* key = *i;
|
|
delete key;
|
|
}
|
|
|
|
// Delete the singleton storing pointers to information keys. See
|
|
// ClassInitialize above for why this is a free instead of a
|
|
// delete.
|
|
vtkFilteringInformationKeyManagerKeys->~vtkFilteringInformationKeyManagerKeysType();
|
|
free(vtkFilteringInformationKeyManagerKeys);
|
|
vtkFilteringInformationKeyManagerKeys = 0;
|
|
}
|
|
}
|
|
|