1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @publishedPartner

    19 */

    20 

    21 #include <mtp/mtpdatatypeconstants.h>

    22 #include <mtp/tmtptypeint128.h>

    23 

    24 /**

    25 Default constructor.

    26 */

    27 EXPORT_C TMTPTypeInt128::TMTPTypeInt128()

    28     {

    29     iData.FillZ(iData.MaxLength());

    30     }

    31 

    32 /**

    33 Conversion constructor.

    34 */

    35 EXPORT_C TMTPTypeInt128::TMTPTypeInt128(const TPtrC8& aData) : 

    36     iData(aData)

    37     {

    38     }

    39     

    40 /**

    41 Sets the data type to the specified value.

    42 */  

    43 EXPORT_C void TMTPTypeInt128::Set(TInt64 aUpperValue, TUint64 aLowerValue)

    44 	{

    45     memcpy(&iData[KMTPTypeInt128OffsetMS], &aUpperValue, sizeof(aUpperValue));

    46     memcpy(&iData[KMTPTypeInt128OffsetLS], &aLowerValue, sizeof(aLowerValue));

    47 	}

    48 

    49 /**

    50 Provides the least significant portion of the data type.

    51 @return The least significant 64 bits of the value.

    52 */    

    53 EXPORT_C TUint64 TMTPTypeInt128::LowerValue() const

    54     {    

    55     // memcpy the data to avoid alignment errors.

    56     TInt64 ret;

    57     memcpy(&ret, &iData[KMTPTypeInt128OffsetLS], sizeof(ret));

    58     return ret;

    59     }

    60 

    61 /**

    62 Provides the most significant portion of type's value.

    63 @return The most significant 64 bits of the value.

    64 */    

    65 EXPORT_C TInt64 TMTPTypeInt128::UpperValue() const

    66     {

    67     // memcpy the data to avoid alignment errors.

    68     TInt64 ret;

    69     memcpy(&ret, &iData[KMTPTypeInt128OffsetMS], sizeof(ret));

    70     return ret;

    71     }  

    72 	

    73 EXPORT_C TInt TMTPTypeInt128::FirstReadChunk(TPtrC8& aChunk) const

    74     {

    75 	aChunk.Set(iData);

    76     return KMTPChunkSequenceCompletion;

    77     }

    78 	

    79 EXPORT_C TInt TMTPTypeInt128::NextReadChunk(TPtrC8& aChunk) const

    80     {

    81     aChunk.Set(NULL, 0);

    82     return KErrNotReady;

    83     }

    84 	

    85 EXPORT_C TInt TMTPTypeInt128::FirstWriteChunk(TPtr8& aChunk)

    86     {

    87 	aChunk.Set(&iData[0], 0, iData.MaxLength());

    88     return KMTPChunkSequenceCompletion;

    89     }

    90 	

    91 EXPORT_C TInt TMTPTypeInt128::NextWriteChunk(TPtr8& aChunk)

    92     {

    93     aChunk.Set(NULL, 0, 0);

    94     return KErrNotReady;

    95     }

    96 

    97 EXPORT_C TUint64 TMTPTypeInt128::Size() const

    98     {

    99     return iData.MaxLength();

   100     }

   101     

   102 EXPORT_C TUint TMTPTypeInt128::Type() const

   103     {

   104     return EMTPTypeINT128;

   105     }

   106 

   107