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更新TreeTest

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This commit is contained in:
hyzboy 2025-05-04 19:29:00 +08:00
parent 20d5e945c9
commit 7b3e24a000
1 changed files with 13 additions and 14 deletions
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27
datatype/TreeTest.cpp
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@ -39,33 +39,28 @@ class FolderNode:public TreeNode<Folder>
public: public:
using TreeNode<Folder>::TreeNode; using TreeNode<Folder>::TreeNode;
~FolderNode()=default;
void OnAttachParent(TreeBaseNode *node) override void OnAttachParent(TreeNode *node) override
{ {
TreeNode<Folder>::OnAttachParent(node); std::cout<<(*node)->GetPath()<<"\\"<<(*this)->GetPath()<<std::endl;
TreeNode<Folder> *pn=(TreeNode<Folder> *)node;
std::cout<<(*pn)->GetPath()<<"\\"<<(*this)->GetPath()<<std::endl;
} }
void OnDetachParent(TreeBaseNode *node) override void OnDetachParent() override
{ {
TreeNode<Folder>::OnDetachParent(node); TreeNode *node=GetParent();
TreeNode<Folder> *pn=(TreeNode<Folder> *)node; std::cout<<"remove "<<(*this)->GetPath()<<" from "<<(*node)->GetPath()<<std::endl;
std::cout<<"remove "<<(*this)->GetPath()<<" from "<<(*pn)->GetPath()<<std::endl;
} }
}; };
int main(int,char **) int main(int,char **)
{ {
using FolderManager=TreeNodeManager<Folder>; using FolderManager=DataNodeManager<FolderNode>;
FolderManager manager; FolderManager manager;
auto *root=manager.Create(); FolderNode *root=manager.Create();
(*root)->SetPath("root"); (*root)->SetPath("root");
@ -80,7 +75,11 @@ int main(int,char **)
(*linux)->SetPath("linux"); (*linux)->SetPath("linux");
root->AttachChild(linux); root->AttachChild(linux);
delete linux; //手动释放 delete linux; //手动释放,这里不会产生FolderNode::OnDetachParent是正常现像。
//因为在完成FolderNode::~FolderNode后，虚拟函数的关系已回退到上一级，所以这一级的已经无效，所以无法产生调用。
//如果要实现调用，必须在FolderNode::~FolderNode调用DetachAll()
//这个问题我们可能需要调研，如要完全解决可能需要屏蔽delete操作符的使用，只允许使用Destory
} }
//自动释放到可以了，但是释放顺序需要处理下 //自动释放到可以了，但是释放顺序需要处理下