upnpharvester/common/cmlibrary/src/cmrule.cpp
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:16:49 +0100
branchRCL_3
changeset 13 e0762c15653a
parent 0 7f85d04be362
permissions -rw-r--r--
Revert incorrect RCL_3 drop: Revision: 201012 Kit: 201035
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/*
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* Copyright (c) 2006-2007 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:      Capsulating Rule parameters
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*
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*/
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// INCLUDES
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#include <e32std.h>
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#include <s32mem.h>
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#include "cmparam.h"
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#include "cmrule.h"
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#include "msdebug.h"
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// CONSTANTS
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const TInt KRuleParamArrayGranularity = 16;
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// ======== LOCAL FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// NewL
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// ---------------------------------------------------------------------------
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//
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CCmRule* CCmRule::NewL()
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    {    
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    CCmRule* self = CCmRule::NewLC();
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    CleanupStack::Pop( self );
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// NewLC
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// ---------------------------------------------------------------------------
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//    
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CCmRule* CCmRule::NewLC()
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    {    
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    CCmRule* self = new ( ELeave ) CCmRule(  );
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    CleanupStack::PushL( self );
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    self->ConstructL(  ); 
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    return self;  
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    }    
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// ---------------------------------------------------------------------------
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// Destructor
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// ---------------------------------------------------------------------------
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//
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CCmRule::~CCmRule()
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    {
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    iRuleParamsArray.ResetAndDestroy();     
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    }
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// ---------------------------------------------------------------------------
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// Adds rule param
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// ---------------------------------------------------------------------------
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//
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TInt CCmRule::AddRuleParamL( const TDesC8& aParam )
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    {
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    CCmParam* param = CCmParam::NewLC();
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    param->SetComparisonDataL( aParam );
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    iRuleParamsArray.Append( param ); // transfer ownership
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    CleanupStack::Pop( param );
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    TInt index = iRuleParamsArray.Count() - 1;    
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    return index;    
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    }
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// ---------------------------------------------------------------------------
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// Adds rule param ( indexed param )
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// ---------------------------------------------------------------------------
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//
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TInt CCmRule::AddRuleParamL( TInt aParam )
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    {
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    CCmParam* param = CCmParam::NewLC();
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    param->SetComparisonData( aParam );
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    iRuleParamsArray.Append( param ); // transfer ownership
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    CleanupStack::Pop( param );
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    TInt index = iRuleParamsArray.Count() - 1;    
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    return index;    
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    }
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// ---------------------------------------------------------------------------
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// Loads rule
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// ---------------------------------------------------------------------------
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//
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void CCmRule::Rule( TCmMetadataField* aDataField, TCmOperatorType* aOperator, 
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    TInt* aParamCount )
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    {
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    *aDataField = iMetadataField;
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    *aOperator = iOperator;
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    *aParamCount = iRuleParamsArray.Count();
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    }
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// ---------------------------------------------------------------------------
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// Loads rule param
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// ---------------------------------------------------------------------------
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//
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void CCmRule::RuleParamL( TInt aParamIndex, TPtrC8* aParam )
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    {
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    // check parameter
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    if ( aParamIndex < 0 || aParamIndex >= iRuleParamsArray.Count() ) 
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        {
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        User::Leave( KErrArgument );
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        }
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    iRuleParamsArray[aParamIndex]->Param( aParam );
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    }
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// ---------------------------------------------------------------------------
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// Loads rule param
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// ---------------------------------------------------------------------------
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//
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void CCmRule::RuleParamL( TInt aParamIndex, TInt& aParam )
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    {
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    // check parameter
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    if ( aParamIndex < 0 || aParamIndex >= iRuleParamsArray.Count() ) 
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        {
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        User::Leave( KErrArgument );
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        }
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    iRuleParamsArray[aParamIndex]->Param( aParam );
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    }
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// ---------------------------------------------------------------------------
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// Sets metadata field
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// ---------------------------------------------------------------------------
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//    
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void CCmRule::SetMetadataField( TCmMetadataField aDataField )
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    {
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    iMetadataField = aDataField;
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    }
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// ---------------------------------------------------------------------------
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// Sets operator of the rule
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// ---------------------------------------------------------------------------
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//    
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void CCmRule::SetOperator( TCmOperatorType aOperator )
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    {
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    iOperator = aOperator;
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    }
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// ---------------------------------------------------------------------------
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// Return count of the parameter 
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// ---------------------------------------------------------------------------
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//
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TInt CCmRule::RuleParamsCount() const
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    {
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    return iRuleParamsArray.Count();    
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    }
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// ---------------------------------------------------------------------------
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// CCmRule::ExternalizeL
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// ---------------------------------------------------------------------------
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//
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void CCmRule::ExternalizeL( RWriteStream& aStream ) const
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    {
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    aStream.WriteInt16L( (TInt)iMetadataField );
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    aStream.WriteInt16L( (TInt)iOperator );    
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    aStream.WriteInt16L( iRuleParamsArray.Count() );    
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    for ( TInt index(0); index < iRuleParamsArray.Count(); index++ )
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        {
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        iRuleParamsArray[index]->ExternalizeL( aStream );
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        }
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    }
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// ---------------------------------------------------------------------------
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// CCmRule::InternalizeL
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// ---------------------------------------------------------------------------
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//
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void CCmRule::InternalizeL( RReadStream& aStream )
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    {
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    // Content
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    iMetadataField = (TCmMetadataField)aStream.ReadInt16L();    
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    iOperator = (TCmOperatorType)aStream.ReadInt16L();
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    // cleanup
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    iRuleParamsArray.ResetAndDestroy();
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    // rule param count
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    TInt ruleParamCount = aStream.ReadInt16L();
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    // Then internalize them from the stream one by one
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    for (TInt index = 0; index < ruleParamCount; index++ )
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        {
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        CCmParam* newRuleParam = CCmParam::NewLC();
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        newRuleParam->InternalizeL( aStream );   
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        iRuleParamsArray.AppendL( newRuleParam );
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        CleanupStack::Pop( newRuleParam ); 
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        newRuleParam = NULL;
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        }
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    }
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// ---------------------------------------------------------------------------
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// Default constructor
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// ---------------------------------------------------------------------------
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//    
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CCmRule::CCmRule() : iRuleParamsArray( KRuleParamArrayGranularity )
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    {
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    }
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// ---------------------------------------------------------------------------
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// ConstructL
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// ---------------------------------------------------------------------------
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//    
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void CCmRule::ConstructL()
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    {
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    }    
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// End of file
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