appfw/apparchitecture/apgrfx/apgcommonutils.h
branchRCL_3
changeset 63 c2c61fdca848
parent 62 924385140d98
child 64 75184094ace1
child 66 9af619316cbf
--- a/appfw/apparchitecture/apgrfx/apgcommonutils.h	Tue Aug 31 15:24:25 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,96 +0,0 @@
-// Copyright (c) 2010 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 __APGCOMMONUTILS_H__
-#define __APGCOMMONUTILS_H__
-
-#include <e32base.h>
-#include <s32strm.h>
-#include <s32buf.h>
-#include<usif/scr/appregentries.h>
-
-
-/**
-Implementation of the MStreamBuf interface that throws away all
-data written to it but keeps track of how many bytes have been
-written to it.  It does not support reading.
-*/
-class TNullBuf : public MStreamBuf
-    {
-public:
-    inline TNullBuf();
-    inline TUint BytesWritten();
-private:
-    inline virtual void DoWriteL(const TAny* aPtr,TInt aLength);
-private:
-    TUint iBytesWritten;
-    };
-
-/**
-A write stream that throws away all its input, but keeps track of how many
-bytes have been written to it.  It is used for determining the amount of
-memory needed to store externalised objects.
-*/
-class RNullWriteStream : public RWriteStream
-    {
-public:
-    inline RNullWriteStream();
-    inline TUint BytesWritten();
-private:
-    TNullBuf iSink;
-    };
-
-inline TNullBuf::TNullBuf() : iBytesWritten(0) 
-    {
-    }
-
-inline TUint TNullBuf::BytesWritten() 
-    {
-    return iBytesWritten;
-    }
-
-inline void TNullBuf::DoWriteL(const TAny*,TInt aLength)
-    {
-    iBytesWritten += aLength;
-    }
-
-inline RNullWriteStream::RNullWriteStream()
-    {
-    Attach(&iSink);
-    }
-
-inline TUint RNullWriteStream::BytesWritten()
-    {
-    return iSink.BytesWritten();
-    }
-
-template <class T>
-TInt GetObjectSizeL(T* aObject)
-    {
-    TInt size(0);
-    if(aObject)
-        {
-        RNullWriteStream nullstream;
-        CleanupClosePushL(nullstream);
-        nullstream << *aObject;
-        nullstream.CommitL();
-        size = nullstream.BytesWritten();
-        CleanupStack::PopAndDestroy(&nullstream);
-        return size;
-        }
-    return -1;
-    }
-
-#endif //__APGCOMMONUTILS_H__