memspy/Driver/User/Source/MemSpyDriverStreamReaderImp.cpp
changeset 48 516af714ebb4
parent 45 185201be11b0
child 55 f2950aff7424
--- a/memspy/Driver/User/Source/MemSpyDriverStreamReaderImp.cpp	Thu Sep 02 22:05:40 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,118 +0,0 @@
-/*
-* Copyright (c) 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:
-*
-*/
-
-#include "MemSpyDriverStreamReaderImp.h"
-
-
-
-
-CMemSpyMemStreamReader::CMemSpyMemStreamReader( const TDesC8& aData )
-    {
-    iCurrent = aData.Ptr();
-    iMax = iCurrent + aData.Length();
-    }
-
-
-void CMemSpyMemStreamReader::ConstructL()
-    {
-    }
-
-
-TInt32 CMemSpyMemStreamReader::ReadInt32L()
-    {
-    TInt32 ret = 0;
-    //
-    const TInt size = sizeof( TInt32 );
-    IsAvailableL( size );
-    Mem::Copy( (TAny*) &ret, iCurrent, size );
-    IncrementPos( size );
-    //
-    return ret;
-    }
-
-
-TUint32 CMemSpyMemStreamReader::ReadUint32L()
-    {
-    TUint32 ret = 0;
-    //
-    const TInt size = sizeof( TUint32 );
-    IsAvailableL( size );
-    Mem::Copy( (TAny*) &ret, iCurrent, size );
-    IncrementPos( size );
-    //
-    return ret;
-    }
-
-
-void CMemSpyMemStreamReader::ReadL( TDes8& aDes )
-    {
-    const TInt length = ReadInt32L();
-
-    // Need to check the remaining text is actually present...
-    IsAvailableL( length );
-
-    // Now read into client descriptor
-    aDes.SetLength( length );
-    if  ( length > 0 ) 
-        {
-        TUint8* dest = const_cast< TUint8* >( aDes.Ptr() );
-        Mem::Copy( dest, iCurrent, length );
-        }
-    //
-    IncrementPos( length );
-    }
-
-
-void CMemSpyMemStreamReader::ReadL( TDes16& aDes )
-    {
-    // The kernel driver only ever writes narrow descriptors.
-    // However, we can expand them to be UCS2
-    const TInt length = ReadInt32L();
-
-    // Need to check the remaining text is actually present...
-    IsAvailableL( length );
-
-    // Set final length in descriptor
-    aDes.SetLength( length );
-
-    // Read each char
-    TUint16* dest = const_cast< TUint16* >( aDes.Ptr() );
-    for( TInt i=0; i<length; i++ )
-        {
-        *dest++ = *iCurrent++;
-        }
-    }
-
-
-void CMemSpyMemStreamReader::IsAvailableL( TInt aRequired ) const
-    {
-    const TUint8* endPos = iCurrent + aRequired;
-    if  ( endPos > iMax )
-        {
-        User::Leave( KErrOverflow );
-        }
-    }
-
-
-void CMemSpyMemStreamReader::IncrementPos( TInt aAmount )
-    {
-    iCurrent += aAmount;
-    }
-
-
-
-