ObjectManager.hpp

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#pragma once
 
#include "AstGlobal.h"
#include "ObjectNode.hpp"
#include <vector>
#include <limits>
 
AST_NAMESPACE_BEGIN
 
class AST_UTIL_API ObjectManager
{
public:
    static ObjectManager& CurrentInstance();
    
    ObjectManager() = default;
    ~ObjectManager();
public:
    Object* getObject(uint32_t index);
 
    uint32_t addObject(Object* object);
 
    errc_t removeObject(Object* object);
 
    void removeAllObjects();
 
    errc_t setParentScope(Object* obj, Object* parentScope);
 
 
    Object* getParentScope(Object* obj);
 
 
    Object* getAncestorScope(Object* obj, Class* cls);
 
    size_t getNodeCount() const {return objects_.size();}
 
    uint32_t getMaxObjectCount() const{return maxObjectCount_;}
 
    errc_t setMaxObjectCount(uint32_t maxCount);
    
    uint32_t getObjectCount() const;
 
    std::vector<Object*> findObjects(Class* cls, StringView name=StringView());
 
    Object* findObject(Class* cls, StringView name=StringView());
 
    ObjectNode* getObjectNode(Object* obj);
 
    std::vector<Object*> getAllObjects();
 
    std::vector<Object*> getRootObjects();
protected:
    friend class Object;
    errc_t removeNode(uint32_t index);
 
    void advanceIndex();
protected:
    constexpr static uint32_t kDefaultMaxObjectCount = static_cast<uint32_t>(-1) - 1;
 
    std::vector<ObjectNode*> objects_;                      
    uint32_t nextIndex_{0};                                 
    uint32_t maxObjectCount_{kDefaultMaxObjectCount};       
};
 
AST_NAMESPACE_END