ObjectNode.hpp

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#pragma once
 
#include "AstGlobal.h"
#include "AstUtil/Object.hpp"
#include <memory>
 
AST_NAMESPACE_BEGIN
 
class AST_UTIL_API ObjectNode
{
public:
    ObjectNode() = default;
 
    ObjectNode(const ObjectNode&) = delete;
    ObjectNode& operator=(const ObjectNode&) = delete;
 
    explicit ObjectNode(Object* object)
        : object_(object)
        , children_()
    {}
    friend class ObjectManager;
    ~ObjectNode() = default;
 
    Object* getObject() const {return object_.get();}
 
    bool expired() const {return object_.expired();}
 
    Object* getParentScope() const {return parentNode_?parentNode_->getObject():nullptr;}
 
    ObjectNode* getParentNode() const {return parentNode_;}
 
    std::vector<ObjectNode*>& getChildren(){return children_;}
 
    errc_t addChild(ObjectNode* child);
 
    errc_t setParent(ObjectNode* parent);
 
    errc_t removeChild(ObjectNode* child);
    
    void clearChildren();
 
    void clear();
 
protected:
    void incRef();
    void decRef();
protected:
    WeakPtr<Object> object_;
    ObjectNode* parentNode_{nullptr};
    std::vector<ObjectNode*> children_;
};
 
AST_NAMESPACE_END