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os/security/contentmgmt/contentaccessfwfordrm/source/cafutils/Cafutils.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution. 
     1 /*

     2 * Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 

    20 #include <e32base.h>

    21 #include <s32strm.h>

    22 #include "cafutils.h"

    23 

    24 using namespace ContentAccess;

    25 

    26 HBufC* TCafUtils::ReadDescriptor16L(RReadStream& aStream)

    27 	{

    28 	// Read the unicode data from the stream

    29 	TInt dataLength = aStream.ReadInt32L();

    30 	HBufC* iData = HBufC::NewL(dataLength);

    31 	CleanupStack::PushL(iData);

    32 	if(dataLength > 0)

    33 		{

    34 		TPtr dataPtr = iData->Des();

    35 		aStream.ReadL(dataPtr, dataLength);

    36 		}

    37 	CleanupStack::Pop(iData);

    38 	return iData;

    39 	}

    40 

    41 void TCafUtils::WriteDescriptor16L(RWriteStream& aStream, const TDesC& aDescriptor)

    42 	{

    43 	// Write unicode data to the stream

    44 	aStream.WriteInt32L(aDescriptor.Length());

    45 	aStream.WriteL(aDescriptor);

    46 	}	

    47 

    48 HBufC8* TCafUtils::ReadDescriptor8L(RReadStream& aStream)

    49 	{

    50 	// Read the 8 bit data from a stream

    51 	TInt dataLength = aStream.ReadInt32L();

    52 	HBufC8* iData = HBufC8::NewL(dataLength);

    53 	CleanupStack::PushL(iData);

    54 	if(dataLength > 0)

    55 		{

    56 		TPtr8 dataPtr = iData->Des();

    57 		aStream.ReadL(dataPtr, dataLength);

    58 		}

    59 	CleanupStack::Pop(iData);

    60 	return iData;

    61 	}

    62 

    63 void TCafUtils::ReadDescriptor8L(RReadStream& aStream, TDes8& aBuffer)

    64 	{

    65 	aBuffer.SetLength(0);

    66 	

    67 	// Read the 8 bit data from a stream

    68 	TInt dataLength = aStream.ReadInt32L();

    69 	if(dataLength > aBuffer.MaxLength())

    70 		{

    71 		User::Leave(KErrOverflow);

    72 		}

    73 	if(dataLength > 0)

    74 		{

    75 		aStream.ReadL(aBuffer, dataLength);

    76 		}

    77 	}

    78 

    79 void TCafUtils::WriteDescriptor8L(RWriteStream& aStream, const TDesC8& aDescriptor)

    80 	{

    81 	// Write 8 bit data to a stream

    82 	aStream.WriteInt32L(aDescriptor.Length());

    83 	aStream.WriteL(aDescriptor);

    84 	}	

    85 

    86 // DLL entry point - only for EKA1

    87
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