自学教程：C++ CC_SAFE_RELEASE_NULL函数代码示例

EditorDetailMenu::~EditorDetailMenu(){    CC_SAFE_RELEASE_NULL(m_pNodeCor);}

void CCShaderCache::purgeSharedShaderCache(){    CC_SAFE_RELEASE_NULL(_sharedShaderCache);}

IFSkeletonNode::~IFSkeletonNode(){	CC_SAFE_RELEASE_NULL(m_callBack);}

BarPipe::~BarPipe() {        CC_SAFE_RELEASE_NULL(upBar);    CC_SAFE_RELEASE_NULL(downBar);}

AtlasPage::~AtlasPage () {    CC_SAFE_RELEASE_NULL(texture);    CC_SAFE_RELEASE_NULL(atlas);}

Background::~Background(){    CC_SAFE_RELEASE_NULL(m_bgs);}

CASwitch::~CASwitch(){    CC_SAFE_RELEASE_NULL(m_onImage);	CC_SAFE_RELEASE_NULL(m_offImage);	CC_SAFE_RELEASE_NULL(m_thumbTintImage);}

CAListViewCell::~CAListViewCell(){    CC_SAFE_RELEASE_NULL(m_pContentView);    CC_SAFE_RELEASE_NULL(m_pBackgroundView);}

ListOrganizer::~ListOrganizer(){	CC_SAFE_RELEASE_NULL(m_elements);}

void GLProgramCache::destroyInstance(){    CC_SAFE_RELEASE_NULL(_sharedGLProgramCache);}

void VideoTextureCache::purgeSharedTextureCache(){    CC_SAFE_RELEASE_NULL(g_sharedTextureCache);}

Fire::~Fire(){    CC_SAFE_RELEASE_NULL(m_flyAction);    CC_SAFE_RELEASE_NULL(m_endAction);}

QuestionCounterNode::~QuestionCounterNode(){    CC_SAFE_RELEASE_NULL(this->m_target);}

TerrainTest::~TerrainTest(void){    CC_SAFE_RELEASE_NULL(_stripes);}

ArmatureAnimation::~ArmatureAnimation(void){    CC_SAFE_RELEASE_NULL(_animationData);    CC_SAFE_RELEASE_NULL(_userObject);}

CATabBarItem::~CATabBarItem(){    CC_SAFE_RELEASE_NULL(m_pSelectedImage);}

Layout::~Layout(){    CC_SAFE_RELEASE_NULL(m_pLayoutExecutant);}

void RenderState::finalize(){    CC_SAFE_RELEASE_NULL(StateBlock::_defaultState);}

AnimationsTestLayer::~AnimationsTestLayer(){    CC_SAFE_RELEASE_NULL(mAnimationManager);}

void UnitScript::UnitScriptImpl::updateMovingActionForPath(const MovingPath & path){	CC_SAFE_RELEASE_NULL(m_MovingAction);	m_MovingAction = _createMovingActionForPath(path);	m_MovingAction->retain();}

void ccDrawFree(){    CC_SAFE_RELEASE_NULL(s_pShader);    s_bInitialized = false;}

void Configuration::destroyInstance(){    CC_SAFE_RELEASE_NULL(s_sharedConfiguration);}

cocos2d::Node* SceneReader::createObject(CocoLoader *cocoLoader, stExpCocoNode *cocoNode, cocos2d::Node* parent, AttachComponentType attachComponent){    const char *className = nullptr;    stExpCocoNode *pNodeArray = cocoNode->GetChildArray(cocoLoader);    std::string Key = pNodeArray[1].GetName(cocoLoader);    if (Key == "classname")    {        className = pNodeArray[1].GetValue(cocoLoader);    }    if(strcmp(className, "CCNode") == 0)    {        Node* gb = nullptr;        std::vector<Component*> _vecComs;        ComRender *pRender = nullptr;        int count = 0;        std::string key = pNodeArray[13].GetName(cocoLoader);        if (key == "components")        {            count = pNodeArray[13].GetChildNum();        }        stExpCocoNode *pComponents = pNodeArray[13].GetChildArray(cocoLoader);        SerData *data = new (std::nothrow) SerData();        for (int i = 0; i < count; ++i)        {            stExpCocoNode *subDict = pComponents[i].GetChildArray(cocoLoader);            if (subDict == nullptr)            {                continue;            }            std::string key1 = subDict[1].GetName(cocoLoader);            const char *comName = subDict[1].GetValue(cocoLoader);            Component *pCom = nullptr;            if (key1 == "classname" && comName != nullptr)            {                pCom = createComponent(comName);            }            CCLOG("classname = %s", comName);            if (pCom != nullptr)            {                data->_rData = nullptr;                data->_cocoNode = subDict;                data->_cocoLoader = cocoLoader;                if (pCom->serialize(data))                {                    ComRender *pTRender = dynamic_cast<ComRender*>(pCom);                    if (pTRender != nullptr)                    {                        pRender = pTRender;                    }                    else                    {                        _vecComs.push_back(pCom);                    }                }                else                {                    CC_SAFE_RELEASE_NULL(pCom);                }            }            if(_fnSelector != nullptr)            {                _fnSelector(pCom, (void*)(data));            }        }        CC_SAFE_DELETE(data);                if (parent != nullptr)        {            if (pRender == nullptr || attachComponent == AttachComponentType::EMPTY_NODE)            {                gb = CCNode::create();                if (pRender != nullptr)                {                    _vecComs.push_back(pRender);                }            }            else            {                gb = pRender->getNode();                gb->retain();                pRender->setNode(nullptr);                CC_SAFE_RELEASE_NULL(pRender);            }            parent->addChild(gb);        }        setPropertyFromJsonDict(cocoLoader, cocoNode, gb);        for (std::vector<Component*>::iterator iter = _vecComs.begin(); iter != _vecComs.end(); ++iter)        {            gb->addComponent(*iter);        }                stExpCocoNode *pGameObjects = pNodeArray[12].GetChildArray(cocoLoader);        if (pGameObjects != nullptr)        {            int length = pNodeArray[12].GetChildNum();            for (int i = 0; i < length; ++i)            {                createObject(cocoLoader, &pGameObjects[i], gb, attachComponent);            }        }//.........这里部分代码省略.........

CATouchDispatcher::~CATouchDispatcher(void){    CC_SAFE_RELEASE_NULL(m_pFirstResponder);}