1 /*

     2 * Copyright (c) 2004-2009 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 * Definition of the Swi::Sis::CCapabilities

    16 *

    17 */

    18 

    19 

    20 #include <e32def.h>

    21 #include "siscapabilities.h"

    22 #include "sisfieldtypes.h"

    23 

    24 using namespace Swi::Sis;

    25 

    26 EXPORT_C /*static*/ CCapabilities* CCapabilities::NewLC(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)

    27 	{

    28 	CCapabilities* self = new(ELeave) CCapabilities();

    29 	CleanupStack::PushL(self);

    30 	self->ConstructL(aDataProvider, aBytesRead, aTypeReadBehaviour);

    31 	return self;

    32 	}

    33 

    34 EXPORT_C /*static*/ CCapabilities* CCapabilities::NewL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)

    35 	{

    36 	CCapabilities* self = NewLC(aDataProvider, aBytesRead, aTypeReadBehaviour);

    37 	CleanupStack::Pop(self);

    38 	return self;

    39 	}

    40 	

    41 EXPORT_C CCapabilities* CCapabilities::NewLC(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)

    42 	{

    43 	CCapabilities* self = new (ELeave) CCapabilities;

    44 	CleanupStack::PushL(self);

    45 	self->ConstructL(aDataProvider, aBytesRead, aTypeReadBehaviour);

    46 	return self;

    47 	}

    48 

    49 EXPORT_C CCapabilities* CCapabilities::NewL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)

    50 	{

    51 	CCapabilities* self = CCapabilities::NewLC(aDataProvider, aBytesRead, aTypeReadBehaviour);

    52 	CleanupStack::Pop(self);

    53 	return self;

    54 	}

    55 

    56 CCapabilities::CCapabilities()

    57 	{

    58 	}

    59 

    60 EXPORT_C CCapabilities::~CCapabilities()

    61 	{

    62 	delete iData;

    63 	}

    64 

    65 void CCapabilities::ConstructL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)

    66 	{

    67 	TInt64 fieldOffset = aBytesRead;

    68 	

    69 	CField::ConstructL(aDataProvider, EFieldTypeCapabilities, aBytesRead, aTypeReadBehaviour);

    70 

    71 	// Length has to be a multiple of four bytes 

    72 	if ((Length() >= KMaxTInt / 2)||(Length() < 0) || (I64LOW(Length()) & 0x3))

    73 		{

    74 		User::Leave(KErrSISFieldLengthInvalid);

    75 		}

    76 	

    77 	iData= HBufC8::NewMaxL(I64INT(Length()));

    78 	

    79 	TPtr8 p(iData->Des());

    80 	iDataPtr.Set(*iData);

    81 	CField::CheckedReadL(aDataProvider, p, aBytesRead);

    82 

    83 	CField::SkipUnknownFieldsL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);

    84 	CField::EnsureAlignedL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);

    85 	}

    86 	

    87 void CCapabilities::ConstructL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)

    88 	{

    89 	TInt64 fieldOffset = aBytesRead;

    90 	

    91 	CField::ConstructL(aDataProvider, EFieldTypeCapabilities, aBytesRead, aTypeReadBehaviour);

    92 

    93 	// Length has to be a multiple of four bytes 

    94 	if ((Length() >= KMaxTInt / 2)||(Length() < 0) || (I64LOW(Length()) & 0x3))

    95 		{

    96 		User::Leave(KErrSISFieldLengthInvalid);

    97 		}

    98 	

    99 	iDataPtr.Set(aDataProvider.ReadL(I64LOW(Length())));

   100 	aBytesRead += I64LOW(Length());

   101 

   102 	CField::SkipUnknownFieldsL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);

   103 	CField::EnsureAlignedL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);

   104 	}

   105