os/security/contentmgmt/contentaccessfwfordrm/source/cafutils/cafutils.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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/*
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* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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* This contains constant definitions required by clients accessing the 
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* Content Access Framework.
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*
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*/
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/**
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 @file
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 @internalComponent
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 @released
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*/
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#ifndef __CAFUTILS_H__
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#define __CAFUTILS_H__
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#include <e32std.h>
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#include <charconv.h>
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namespace ContentAccess
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	{
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	/** Provides static utility functions for the Content Access Framework*/
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	class TCafUtils
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		{
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	public:
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		/** Utility function to read a descriptor from a stream 
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		@param aStream The stream
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		@return An HBufC descriptor populated with the data from the stream
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		*/
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		static HBufC* ReadDescriptor16L(RReadStream& aStream);
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		/** Utility function to write a descriptor to a stream 
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		@param aStream The stream
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		@param aDescriptor The descriptor
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		*/
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		static void WriteDescriptor16L(RWriteStream& aStream, const TDesC& aDescriptor);
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		/** Utility function to read a descriptor from a stream 
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		@param aStream The stream
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		@return An HBufC descriptor populated with the data from the stream
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		*/
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		static HBufC8* ReadDescriptor8L(RReadStream& aStream);
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		/** Utility function to read from a stream into an existing descriptor
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		@param aStream The stream
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		@param aBuffer Buffer to receive the data
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		@leave KErrOverflow If the buffer is not large enough to hold the descriptor
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		*/
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		static void ReadDescriptor8L(RReadStream& aStream, TDes8& aBuffer);
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		/** Utility function to write a descriptor to a stream 
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		@param aStream The stream
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		@param aDescriptor The descriptor
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		*/
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		static void WriteDescriptor8L(RWriteStream& aStream, const TDesC8& aDescriptor);
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		};
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	}
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#endif // __CAF_H__