更新Object.h/ObjectBaseInfo

inc/hgl/type/object/Object.h

@@ -1,6 +1,9 @@
 #pragma once
 #include<hgl/type/DataType.h>
 #include<hgl/type/object/ObjectBaseInfo.h>
+#include<hgl/SourceCodeLocation.h>
+
+#include<tsl/robin_map.h>
 
 namespace hgl
 {
@@ -11,12 +14,44 @@ namespace hgl
     {
         ObjectBaseInfo object_info;
 
+    protected:
+
+        tsl::robin_map<size_t,void *> inherit_class_map;        ///<继承类的hash值与this指针的映射表
+
+        bool RegistryInheritClass(const size_t &hash_code,void *class_this)noexcept
+        {
+            if(inherit_class_map.find(hash_code)!=inherit_class_map.end())
+                return(false);
+
+            inherit_class_map[hash_code]=class_this;
+
+            return(true);
+        }
+
+        template<typename T> bool RegistryInheritClass(T *class_this)noexcept
+        {
+            return RegistryInheritClass(hgl::GetTypeHash<T>(),class_this);
+        }
+
     public:
 
-        const ObjectBaseInfo &  GetObjectBaseInfo   () const noexcept { return object_info; }                          ///<获取对象简单信息
+        const ObjectBaseInfo &  GetObjectBaseInfo   () const noexcept { return object_info; }                           ///<获取对象简单信息
 
-        const size_t            GetTypeHash         () const noexcept { return object_info.hash_code; }                ///<获取对象数据类型的hash值
+        virtual const size_t    GetTypeHash         () const noexcept { return object_info.info->hash_code(); }         ///<获取对象数据类型的hash值
-        const size_t            GetUniqueID         () const noexcept { return object_info.unique_id; }                ///<获取对象的唯一序列号
+        virtual const char *    GetTypeName         () const noexcept { return object_info.info->name(); }              ///<获取对象数据类型的名称
+                const size_t    GetUniqueID         () const noexcept { return object_info.unique_id; }                 ///<获取对象的唯一序列号
+
+        template<typename T> T *Cast()
+        {
+            auto it=inherit_class_map.find(hgl::GetTypeHash<T>());
+
+            if(it!=inherit_class_map.end())
+                return (T *)it->second;
+
+            return nullptr;
+        }
+
+        template<typename T> operator T *(){return Cast<T>();}
 
     public:
 
@@ -25,17 +60,42 @@ namespace hgl
 
         Object(const ObjectBaseInfo &oi) noexcept { object_info=oi; }
         virtual ~Object()=default;
+
+        bool operator == (const Object &obj) const noexcept
+        {
+            if(GetUniqueID()!=obj.GetUniqueID())
+                return(false);
+
+            //为什么GetTypeHash可以比较
+
+            // 因为GetTypeHash获取的是object_info中的TypeHash，而不是inherit_class_map中的TypeHash
+            // 只有NewObjectSCL函数在创建对象时会产生object_info。
+
+            if(GetTypeHash()!=obj.GetTypeHash())
+                return(false);
+
+            return(true);
+        }
     };//class Object
 
-    template<typename T> inline T *New(const SourceCodeLocation &scl)
+#define HGL_OBJECT_BODY(class_name)  public:\
+        static  const size_t StaticHash()noexcept { return typeid(class_name).hash_code(); } \
+        static  const char * StaticName()noexcept { return typeid(class_name).name(); } \
+        virtual const size_t GetTypeHash()const noexcept override { return class_name::StaticHash();} \
+        virtual const char * GetTypeName()const noexcept override { return class_name::StaticName();}
+
+#define HGL_OBJECT_CONSTRUCT(class_name)                class_name(const ObjectBaseInfo &obi):Object(obi){}
+#define HGL_OBJECT_CONSTRUCT_SC(class_name,super_class)    class_name(const ObjectBaseInfo &obi):super_class(obi){}
+
+    template<typename T> inline T *NewObjectSCL(const SourceCodeLocation &scl)
     {
         static size_t new_count=0;
 
         ObjectBaseInfo obi;
 
-        obi.hash_code=GetTypeHash<T>();
+        obi.info        =&typeid(T);
-        obi.unique_id=new_count;
+        obi.unique_id   =new_count;
-        obi.scl=scl;
+        obi.scl         =scl;
 
         ++new_count;
 
@@ -43,4 +103,6 @@ namespace hgl
 
         return obj;
     }
+
+    #define NewObject(type) NewObjectSCL<type>(HGL_SCL_HERE)
 }//namespace hgl

inc/hgl/type/object/ObjectBaseInfo.h

@@ -10,23 +10,27 @@ namespace hgl
      */
     struct ObjectBaseInfo
     {
-        size_t hash_code;               ///<对象数据类型的hash值
+        const std::type_info *info;            ///<对象数据类型的type_info指针
         size_t unique_id;               ///<唯一序列号
 
         SourceCodeLocation scl;
     };
 
-    struct ObjectTotalInfo
+    struct ObjectTypeInfo
     {
-        size_t hash_code;
+        const std::type_info *info;
-
-        std::type_info *info;
 
         size_t count;
     };
 
-    void RegistryObjectHash(const size_t &hash_code,const std::type_info *);
+    void RegistryObjectTypeInfo(const size_t &hash_code,const std::type_info *);
 
-    const ObjectTotalInfo *GetObjectTotalInfo(const size_t &hash_code);
+    const ObjectTypeInfo *GetObjectTypeInfoByHash(const size_t &hash_code);
+
+    template<typename T>
+    inline const ObjectTypeInfo *GetObjectTypeInfo()
+    {
+        return GetObjectTypeInfoByHash(typeid(T).hash_code());
+    }
 }//namespace hgl
 

src/Object/ObjectBaseInfo.cpp

@@ -6,10 +6,10 @@ namespace hgl
 {
     namespace
     {
-        tsl::robin_map<size_t,const std::type_info *> type_info_map;
+        tsl::robin_map<size_t,ObjectTypeInfo *> type_info_map;
     }//namespace
 
-    void RegistryObjectHash(const size_t &hash_code,const std::type_info *info)
+    void RegistryObjectTypeInfo(const size_t &hash_code,const std::type_info *info)
     {
         if(!info)
             return;
@@ -17,6 +17,21 @@ namespace hgl
         if(type_info_map.contains(hash_code))
             return;
 
-        type_info_map.emplace(hash_code,info);
+        ObjectTypeInfo *oti=new ObjectTypeInfo;
+
+        oti->count=0;
+        oti->info=info;
+
+        type_info_map.emplace(hash_code,oti);
+    }
+
+    const ObjectTypeInfo *GetObjectTypeInfoByHash(const size_t &hash_code)
+    {
+        auto it=type_info_map.find(hash_code);
+
+        if ( it==type_info_map.end() )
+            return nullptr;
+
+        return it.value();
     }
 }//namespace hgl