axmol/cocos2dx/cocoa/NSAutoreleasePool.cpp

/****************************************************************************
Copyright (c) 2010 cocos2d-x.org

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "NSAutoreleasePool.h"

namespace cocos2d 
{

NSPoolManager	g_PoolManager;

NSAutoreleasePool::NSAutoreleasePool(void)
{
	m_pManagedObjectArray = new NSMutableArray<NSObject*>();
}

NSAutoreleasePool::~NSAutoreleasePool(void)
{
	delete m_pManagedObjectArray;
}

void NSAutoreleasePool::addObject(NSObject* pObject)
{
	m_pManagedObjectArray->addObject(pObject);

	assert(pObject->m_uRefrence > 1);

	pObject->release(); // no ref count, in this case autorelease pool added.
}

void NSAutoreleasePool::removeObject(NSObject* pObject)
{
	m_pManagedObjectArray->removeObject(pObject, false);
}

void NSAutoreleasePool::clear()
{
	if(m_pManagedObjectArray->count() > 0)
	{
		//NSAutoreleasePool* pReleasePool;
#ifdef _DEBUG
		int nIndex = m_pManagedObjectArray->count() - 1;
#endif
		NSMutableArray<NSObject*>::NSMutableArrayRevIterator it;
		for(it = m_pManagedObjectArray->rbegin(); it != m_pManagedObjectArray->rend(); it++)
		{
			if(!*it)
				break;

			(*it)->m_bManaged = false;
			//(*it)->release();
			//delete (*it);
#ifdef _DEBUG
			nIndex--;
#endif
		}

		m_pManagedObjectArray->removeAllObjects();
	}
}


//--------------------------------------------------------------------
//
// NSPoolManager
//
//--------------------------------------------------------------------

NSPoolManager* NSPoolManager::getInstance()
{
	return &g_PoolManager;
}

NSPoolManager::NSPoolManager()
{
	m_pReleasePoolStack = new NSMutableArray<NSAutoreleasePool*>();	
	m_pCurReleasePool = NULL;
}

NSPoolManager::~NSPoolManager()
{
	finalize();

	delete m_pReleasePoolStack;
}

void NSPoolManager::finalize()
{
	if(m_pReleasePoolStack->count() > 0)
	{
		//NSAutoreleasePool* pReleasePool;
		NSMutableArray<NSAutoreleasePool*>::NSMutableArrayIterator it;
		for(it = m_pReleasePoolStack->begin(); it != m_pReleasePoolStack->end(); it++)
		{
			if(!*it)
				break;

			(*it)->clear();

			delete (*it);
		}
	}
}

void NSPoolManager::push()
{
	NSAutoreleasePool* pPool = new NSAutoreleasePool();	   //ref = 1
	m_pCurReleasePool = pPool;

	m_pReleasePoolStack->addObject(pPool);				   //ref = 2

	pPool->release();									   //ref = 1
}

void NSPoolManager::pop()
{
	int nCount = m_pReleasePoolStack->count();

	if(nCount > 0)
	{
		assert(m_pCurReleasePool);

		m_pCurReleasePool->clear();

		m_pReleasePoolStack->removeObjectAtIndex(nCount-1);

		if(nCount > 1)
		{
			m_pCurReleasePool = m_pReleasePoolStack->getObjectAtIndex(nCount - 2);
			return;
		}
	}

	m_pCurReleasePool = NULL;
}

void NSPoolManager::removeObject(NSObject* pObject)
{
	assert(m_pCurReleasePool);

	m_pCurReleasePool->removeObject(pObject);
}

void NSPoolManager::addObject(NSObject* pObject)
{
	getCurReleasePool()->addObject(pObject);
}


NSAutoreleasePool* NSPoolManager::getCurReleasePool()
{
	if(!m_pCurReleasePool)
		push();

	assert(m_pCurReleasePool);

	return m_pCurReleasePool;
}

}