From 6d4556236eaae1749098f8c2eff904e104ee2a16 Mon Sep 17 00:00:00 2001
From: sauron <akbarofmg@empal.com>
Date: Sun, 19 Oct 2025 16:29:16 +0900
Subject: [PATCH] commit 2025-10-19 16:28  add ZCtDataRing::IterHead() &
 IterTail() etc  : ZCppMain/ZMainHead.H

---
 ZCppMain/ZMainHead.H          | 189 ++++++++++++++++++++++++++++++++++++++++++
 ZCppMainTest/c++_test_006.cpp |  18 ++++
 2 files changed, 207 insertions(+)

diff --git a/ZCppMain/ZMainHead.H b/ZCppMain/ZMainHead.H
index 00df8df..46391a4 100644
--- a/ZCppMain/ZMainHead.H
+++ b/ZCppMain/ZMainHead.H
@@ -815,6 +815,21 @@ namespace ZNsMain
 
 
 
+    template<typename TDataNow> void ZftPrint(const TDataNow& AR_Data)
+    {
+        cout<<AR_Data;
+    }
+    /*//////////////////////////////////////////////////////////////*/
+
+    template<typename TDataNow1, typename TDataNow2> void ZftPrint2
+        (const TDataNow1& AR_Data1, const TDataNow2& AR_Data2)
+    {
+        cout<<AR_Data1<<AR_Data2;
+    }
+    /*//////////////////////////////////////////////////////////////*/
+
+
+
     class ZCEndian
     {
     private:
@@ -4123,6 +4138,9 @@ namespace ZNsMain
         class ZtCTypeSelfLink
         {
         public:
+            enum{ZEUseIteHead=1};
+            enum{ZEUseIteTail=1};
+        public:
             class ZCDataLink  ;
         public:
             typedef TTypData       TypeData ;
@@ -4219,6 +4237,7 @@ namespace ZNsMain
         public TTypeSelfLink::TypeLink
     {
     public :
+        typedef TTypeSelfLink   TypeSelf ;
         typedef ZCtDataRing     TypeThis ;
         typedef TDataNow        TypeData ;
     public :
@@ -4407,6 +4426,176 @@ namespace ZNsMain
         }/*
         void DeleteAll()*/
 
+
+        template<typename TFunctor> void IterThis   (TFunctor AO_Functor)
+        {
+            if(TypeSelf::ZEUseIteHead<1) return;
+
+            TypeLink* VP_NowLink  = &GetHead() ;
+            TypeSize  VL_LinkSize = size() + 1 ;
+
+            __for0(TypeSize, i, VL_LinkSize)
+            {
+                ZtCTypeData<TFunctor>::
+                    GetObjRef(AO_Functor)(VP_NowLink->GetData());
+
+                VP_NowLink = &VP_NowLink->GetNext();
+            }/*
+            __for0(TypeSize, i, VL_LinkSize)*/
+        }/*
+        template<typename TFunctor> void IterThis   (TFunctor AO_Functor)*/
+        template<typename TFunctor> void IterThisRev(TFunctor AO_Functor)
+        {
+            if(TypeSelf::ZEUseIteTail<1) return;
+
+            TypeLink*  VP_NowLink = &GetTail() ;
+            TypeSize   VL_LinkSize= size() + 1 ;
+
+            __for0(TypeSize, i, VL_LinkSize)
+            {
+                ZtCTypeData<TFunctor>::
+                    GetObjRef(AO_Functor)(VP_NowLink->GetData());
+
+                VP_NowLink = &VP_NowLink->GetPrev();
+            }/*
+            __for0(TypeSize, i, VL_LinkSize)*/
+        }/*
+        template<typename TFunctor> void IterThisRev(TFunctor AO_Functor)*/
+        template<typename TFunctor> void IterHead   (TFunctor AO_Functor)
+        {
+            if(TypeSelf::ZEUseIteHead<1) return;
+
+            TypeLink* VP_NowLink  = &this->GetNext();
+            TypeSize  VL_LinkSize = size()          ;
+
+            __for0(TypeSize, i, VL_LinkSize)
+            {
+                ZtCTypeData<TFunctor>::
+                    GetObjRef(AO_Functor)(VP_NowLink->GetData());
+
+                VP_NowLink = &VP_NowLink->GetNext();
+            }/*
+            __for0(TypeSize, i, VL_LinkSize)*/
+        }/*
+        template<typename TFunctor> void IterHead   (TFunctor AO_Functor)*/
+        template<typename TFunctor> void IterTail   (TFunctor AO_Functor)
+        {
+            if(TypeSelf::ZEUseIteTail<1) return ;
+
+            TypeLinkC* VP_NowLink = &this->GetTail();
+            TypeSize   VL_LinkSize= size()          ;
+
+            __for0(TypeSize, i, VL_LinkSize)
+            {
+                ZtCTypeData<TFunctor>::
+                    GetObjRef(AO_Functor)(VP_NowLink->GetData());
+
+                VP_NowLink = &VP_NowLink->GetPrev();
+            }/*
+            __for0(TypeSize, i, VL_LinkSize)*/
+        }/*
+        template<typename TFunctor> void IterTail   (TFunctor AO_Functor)*/
+
+
+        template<typename TFunctor, typename TTypeHelp>
+            void IterThis   (TFunctor AO_Functor, TTypeHelp AO_TypeHelp)
+        {
+            if(TypeSelf::ZEUseIteHead<1){return;}
+
+            typedef ZNsMain::
+                ZtCCheckRef<TTypeHelp> ZCCheckRef   ;
+
+            TypeLink* VP_NowLink = &this->GetHead() ;
+            TypeSize  VL_LinkSize= size() + 1       ;
+
+            __for0(TypeSize, i, VL_LinkSize)
+            {
+                ZtCTypeData<TFunctor>::GetObjRef(AO_Functor)
+                    (
+                        VP_NowLink->GetData(), ZCCheckRef::PassData(AO_TypeHelp)
+                    );
+                VP_NowLink = &VP_NowLink->GetNext(); ///////
+            }/*
+            __for0(TypeSize, i, VL_LinkSize)*/
+        }/*
+        template<typename TFunctor, typename TTypeHelp>
+            void IterThis   (TFunctor AO_Functor, TTypeHelp AO_TypeHelp)*/
+
+        template<typename TFunctor, typename TTypeHelp>
+            void IterThisRev(TFunctor AO_Functor, TTypeHelp AO_TypeHelp)
+        {
+            if(TypeSelf::ZEUseIteTail<1){return;}
+
+            typedef ZNsMain::
+                ZtCCheckRef<TTypeHelp> ZCCheckRef   ;
+
+            TypeLink* VP_NowLink = &this->GetTail() ;
+            TypeSize  VL_LinkSize= size() + 1       ;
+
+            __for0(TypeSize, i, VL_LinkSize)
+            {
+                ZtCTypeData<TFunctor>::GetObjRef(AO_Functor)
+                    (
+                        VP_NowLink->GetData(), ZCCheckRef::PassData(AO_TypeHelp)
+                    );
+                VP_NowLink = &VP_NowLink->GetPrev(); ///////
+            }/*
+            __for0(TypeSize, i, VL_LinkSize)*/
+        }/*
+        template<typename TFunctor, typename TTypeHelp>
+            void IterThisRev(TFunctor AO_Functor, TTypeHelp AO_TypeHelp)*/
+
+
+        template<typename TFunctor, typename TTypeHelp>
+            void IterHead(TFunctor AO_Functor, TTypeHelp AO_TypeHelp)
+        {
+            if(TypeSelf::ZEUseIteHead<1){return;}
+
+            typedef ZNsMain::
+                ZtCCheckRef<TTypeHelp> ZCCheckRef   ;
+
+            TypeLink* VP_NowLink = &this->GetNext() ;
+            TypeSize  VL_LinkSize= size()           ;
+
+            __for0(TypeSize, i, VL_LinkSize)
+            {
+                ZtCTypeData<TFunctor>::GetObjRef(AO_Functor)
+                    (
+                        VP_NowLink->GetData(), ZCCheckRef::PassData(AO_TypeHelp)
+                    );
+                VP_NowLink = &VP_NowLink->GetNext(); ///////
+            }/*
+            __for0(TypeSize, i, VL_LinkSize)*/
+        }/*
+        template<typename TFunctor, typename TTypeHelp>
+            void IterHead(TFunctor AO_Functor, TTypeHelp AO_TypeHelp)*/
+
+        template<typename TFunctor, typename TTypeHelp>
+            void IterTail(TFunctor AO_Functor, TTypeHelp AO_TypeHelp)
+        {
+            if(TypeSelf::ZEUseIteTail<1){return;}
+
+            typedef ZNsMain::
+                ZtCCheckRef<TTypeHelp> ZCCheckRef   ;
+
+            TypeLink* VP_NowLink = &this->GetTail() ;
+            TypeSize  VL_LinkSize= size()           ;
+
+            __for0(TypeSize, i, VL_LinkSize)
+            {
+                ZtCTypeData<TFunctor>::GetObjRef(AO_Functor)
+                    (
+                        VP_NowLink->GetData(), ZCCheckRef::PassData(AO_TypeHelp)
+                    );
+                VP_NowLink = &VP_NowLink->GetPrev(); ///////
+            }/*
+            __for0(TypeSize, i, VL_LinkSize)*/
+        }/*
+        template<typename TFunctor, typename TTypeHelp>
+            void IterTail(TFunctor AO_Functor, TTypeHelp AO_TypeHelp)*/
+
+
+
     public :
     };/*
     template ////////////////////////////////////////////////////////////////
diff --git a/ZCppMainTest/c++_test_006.cpp b/ZCppMainTest/c++_test_006.cpp
index fc91ac8..fbe60da 100644
--- a/ZCppMainTest/c++_test_006.cpp
+++ b/ZCppMainTest/c++_test_006.cpp
@@ -196,6 +196,24 @@ namespace ZNsMain
             cout<<"# VO_CDataRing Size = "<<VO_CDataRing.size()<<endl;
             cout<<"# VO_CDataRing Data = "<<VO_CDataRing       <<endl;
             cout<<"************************************"<<endl;
+            cout<<"# VO_CDataRing IterThis = "<<endl;
+            VO_CDataRing.IterThis(&ZftPrint<string>); cout<<endl;
+            cout<<"************************************"<<endl;
+            cout<<"# VO_CDataRing IterHead = "<<endl;
+            VO_CDataRing.IterHead(&ZftPrint<string>); cout<<endl;
+            cout<<"************************************"<<endl;
+            cout<<"# VO_CDataRing IterTail = "<<endl;
+            VO_CDataRing.IterTail(&ZftPrint<string>); cout<<endl;
+            cout<<"************************************"<<endl;
+            cout<<"# VO_CDataRing IterThisRev = "<<endl;
+            VO_CDataRing.IterThisRev(&ZftPrint<string>); cout<<endl;
+            cout<<"************************************"<<endl;
+            cout<<"# VO_CDataRing IterThisRev(HelpType char(',')) = "<<endl;
+            VO_CDataRing.IterThisRev(&ZftPrint2<string, char>, char(',')); cout<<endl;
+            cout<<"************************************"<<endl;
+            cout<<"# VO_CDataRing IterTail(HelpType char(',')) = "<<endl;
+            VO_CDataRing.IterTail(&ZftPrint2<string, char>, char(',')); cout<<endl;
+            cout<<"************************************"<<endl;
 
 
             typedef ZCtDataRing<ZCTypeView> ZCViewRing;