--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/apicompatanamdw/compatanalysercmd/headeranalyser/src/TChange.h	Tue Jan 12 14:52:39 2010 +0530
@@ -0,0 +1,113 @@
+/*
+* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  
+*
+*/
+
+
+#ifndef __TCHANGE_H__
+#define __TCHANGE_H__
+
+#include <string>
+#include <list>
+#include <utility>
+
+using namespace std;
+
+/**
+* This template is used for making it a little easier to keep information about 
+* which files the value is associated, namely base and current files. 
+* At the moment used only in MacroAnalyser.
+*/
+template <class KTvalue> class TChange
+{
+public:
+    TChange(string aBase, KTvalue aValue);
+    TChange(string aBase, string aCurrent, KTvalue aValue);
+    ~TChange(void);
+    string GetBase();
+    string GetCurrent();
+    KTvalue& GetValue();
+    void SetBase(string aBase);
+    void SetCurrent(string aCurrent);
+    void SetValue(KTvalue aValue);
+private:
+    pair<list<string>, KTvalue> iValue;
+};
+
+template <class KTvalue> TChange<KTvalue>::TChange(string aBase, KTvalue aValue)
+{
+    iValue.first.push_back(aBase);
+    iValue.second = aValue;
+}
+
+template <class KTvalue> TChange<KTvalue>::TChange(string aBase, string aCurrent, KTvalue aValue)
+{
+    iValue.first.push_back(aBase);
+    iValue.first.push_back(aCurrent);
+    iValue.second = aValue;
+}
+
+template <class KTvalue> TChange<KTvalue>::~TChange(void)
+{
+}
+
+template <class KTvalue> string TChange<KTvalue>::GetBase()
+{
+    return iValue.first.front();
+}
+
+template <class KTvalue> string TChange<KTvalue>::GetCurrent()
+{
+    string ret;
+    if (iValue.first.size() == 2)
+    {
+        ret = iValue.first.back();
+    } else
+    {
+        ret = "";
+    }
+
+    return ret;
+}
+
+template <class KTvalue> KTvalue& TChange<KTvalue>::GetValue()
+{
+    return iValue.second;
+}
+
+template <class KTvalue> void TChange<KTvalue>::SetBase(string aBase)
+{
+    iValue.first.pop_front();
+    iValue.first.push_front(aBase);
+}
+
+template <class KTvalue> void TChange<KTvalue>::SetCurrent(string aCurrent)
+{
+    if (iValue.first.size() == 2)
+    {
+        iValue.first.pop_back();
+        iValue.first.push_back(aCurrent);
+    } else
+    {
+        iValue.first.push_back(aCurrent);
+    }
+}
+
+template <class KTvalue> void TChange<KTvalue>::SetValue(KTvalue aValue)
+{
+    iValue.second = aValue;
+}
+
+#endif