sl@0: // Copyright (c) 2005-2010 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // ////////////////////////             HIpcStream                 ///////////////////////////////////////
sl@0: // 
sl@0: //
sl@0: 
sl@0: /**
sl@0:  
sl@0:  Initializes HIpcStream data members.
sl@0:  
sl@0:  @param aHost A pointer to the buffer with the stream data
sl@0:  @param aReadPos The position data has to be read from
sl@0:  
sl@0:  @see HIpcStream::SynchL()
sl@0:  
sl@0:  @panic SqlDb 7 In _DEBUG mode. aHost is NULL.
sl@0: */
sl@0: inline HIpcStream::HIpcStream(MStreamBuf* aHost, TInt aReadPos):
sl@0: 	iHost(*aHost),
sl@0: 	iRPos(aReadPos),
sl@0: 	iWPos(0)
sl@0: 	{
sl@0: 	__ASSERT_DEBUG(aHost != NULL, __SQLPANIC(ESqlPanicInternalError));
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Relases the stream buffer.
sl@0: */
sl@0: inline HIpcStream::~HIpcStream()
sl@0: 	{
sl@0: 	iHost.Release();
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: @return The stream data size.
sl@0: */
sl@0: inline TInt HIpcStream::SizeL()
sl@0: 	{
sl@0: 	return iHost.SizeL();
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Synchronizes the stream data buffer with the stream.
sl@0: 
sl@0: @see HIpcStream::HIpcStream()
sl@0: */
sl@0: inline void HIpcStream::SynchL()
sl@0: 	{
sl@0: 	iHost.SynchL();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: //////////////////////////////////////////////////////////////////////////////////////////////////////////
sl@0: ///////////////////////////             HIpcReadBuf                 //////////////////////////////////////
sl@0: //////////////////////////////////////////////////////////////////////////////////////////////////////////
sl@0: 
sl@0: /**
sl@0: Initializes HIpcReadBuf data members.
sl@0: 
sl@0: @param aDes Points to the data which will be accessed via HIpcReadBuf instance.
sl@0: */
sl@0: inline HIpcReadBuf::HIpcReadBuf(const TDesC8& aDes)
sl@0: 	{
sl@0: 	TUint8* ptr = const_cast <TUint8*> (aDes.Ptr());
sl@0: 	Set(ptr, ptr + aDes.Length(), MStreamBuf::ERead);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Creates an instance of HIpcReadBuf class.
sl@0: 
sl@0: @param aDes Points to the data which will be accessed via HIpcReadBuf instance.
sl@0: 
sl@0: @return A pointer to the created HIpcReadBuf instance.
sl@0: 
sl@0: @leave KErrNoMemory, an out of memory condition has occured;
sl@0: */
sl@0: inline HIpcReadBuf* HIpcReadBuf::NewL(const TDesC8& aDes)
sl@0: 	{
sl@0: 	return new (ELeave) HIpcReadBuf(aDes);
sl@0: 	}