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/*
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* Copyright (c) 2002 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 "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: CMSPUtil Implementation
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*
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*
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*/
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// INCLUDE FILES
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#include <e32std.h>
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#include "MSPPanic.hrh"
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#include "msputil.h"
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// ---------------------------------------------------------------------------
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CMSPUtil* CMSPUtil::NewL( CDesCArrayFlat* aArray )
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{
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__ASSERT_DEBUG( aArray,
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User::Panic( KPanicMSP, EInvalidParameter ) );
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CMSPUtil* self = new( ELeave ) CMSPUtil;
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self->iUnitArray = aArray;
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return self;
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}
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// ---------------------------------------------------------------------------
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CMSPUtil::~CMSPUtil( )
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{
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if( iUnitArray )
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{
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iUnitArray->Delete( 0, iUnitArray->Count( ) );
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}
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delete iUnitArray;
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}
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// ---------------------------------------------------------------------------
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CMSPUtil::CMSPUtil( ): iUnitArray( NULL )
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{
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}
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// ---------------------------------------------------------------------------
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void CMSPUtil::SolveUnitAndSize( TInt64& aNumber, TInt& aUnit )
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{
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TInt count( iUnitArray->Count( ) );
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const TInt KMaxDigits = 10000;
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const TInt KKiloByte = 1024;
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const TInt KRoundLimit = 512;
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const TInt KShiftValue = 10;
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aUnit = EByte;
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// If number is 1024 or more, it can be divided and unit changed
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while( aNumber >= 1024 && (aUnit + 1) < count )
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{
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// Show kilobytes and megabytes with 4 digits
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if( ( aUnit == EKiloByte || aUnit == EMegaByte ) && aNumber < KMaxDigits )
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{
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break;
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}
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// Check how the rounding should be done
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if( aNumber % KKiloByte < KRoundLimit )
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{
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// Round downwards
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aNumber >>= KShiftValue; // 2^10 = 1024
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}
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else
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{
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aNumber = ( aNumber >> KShiftValue ) + 1;
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}
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aUnit++; // Next enum
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}
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}
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// ---------------------------------------------------------------------------
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EXPORT_C TPtrC CMSPUtil::SolveUnitAndSize( TInt64& aNumber )
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{
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TInt unitType( EByte );
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SolveUnitAndSize( aNumber, unitType );
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if( unitType >= iUnitArray->Count() )
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{
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if( iUnitArray->Count() )
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{
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unitType = iUnitArray->Count() - 1;
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}
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else
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{
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unitType = 0;
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}
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}
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return ( *iUnitArray )[ unitType ];
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}
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// End of File
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