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/*
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* Copyright (c) 2008 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: Utils for storage modules.
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*
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*/
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#include "vimpststorageutils.h"
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#include "cvimpststoragemanagerfactory.h"
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#include "mvimpststorageserviceview.h"
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#include "uiservicetabtracer.h"
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#include "vimpstbuilddefinitions.h"
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#include <escapeutils.h>
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#include <collate.h>
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// needed to skip prefixes in domain-neutral comparison (TUint version)
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const TUint KColonUInt( ':' );
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// needed to skip domains in domain-neutral comparison (TUint version)
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const TUint KAtUInt( '@' );
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// "test character identity and accents, ignore case"
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const TInt KCollationLevel = 1;
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// defines how far we are going to search for the protocol part in user id
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const TInt KMaxLengthSearchProtPart = 4;
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// -----------------------------------------------------------------------------
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// VIMPSTStorageUtils::NeutralCompare
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// -----------------------------------------------------------------------------
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//
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TInt VIMPSTStorageUtils::NeutralCompare( const TDesC& aId1,
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const TDesC& aId2, TBool aDomainNeutral )
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{
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TRACER_AUTO;
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// points to user part of id
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TPtrC ptrId1( aId1 );
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TPtrC ptrId2( aId2 );
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// Reduce looking for protocol part only to beginning of the WVID and
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// skip protocol part ("anything:") in the beginning of the WVID
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TInt colonPos1 = aId1.Left( KMaxLengthSearchProtPart ).Locate( KColonUInt );
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// first id
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if ( ( KErrNotFound != colonPos1 ) && ( aId1.Length() -1 != colonPos1 ) )
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{
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// contains ":", and it is not the last char
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ptrId1.Set( aId1.Mid( colonPos1 + 1 ) );
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}
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TInt colonPos2 = aId2.Left( KMaxLengthSearchProtPart ).Locate( KColonUInt );
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// second id
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if ( ( KErrNotFound != colonPos2 ) && ( aId2.Length() -1 != colonPos2 ) )
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{
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// contains ":", and it is not the last char
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ptrId2.Set( aId2.Mid( colonPos2 + 1 ) );
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}
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// find out if we have domains in the ids
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TInt domainPos1( ptrId1.Locate( KAtUInt ) );
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TInt domainPos2( ptrId2.Locate( KAtUInt ) );
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TBool domainIn1( KErrNotFound != domainPos1 );
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TBool domainIn2( KErrNotFound != domainPos2 );
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// points to domains in the neutral id
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TPtrC ptrDom1( KNullDesC );
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TPtrC ptrDom2( KNullDesC );
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// points to user parts in the neutral id
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TPtrC ptrUid1( ptrId1 );
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TPtrC ptrUid2( ptrId2 );
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// separate user id parts and domain parts
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if ( domainIn1 )
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{
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ptrDom1.Set( ptrId1.Mid( domainPos1 + 1) );
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ptrUid1.Set( ptrId1.Mid( 0, domainPos1 ) );
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}
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if ( domainIn2 )
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{
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ptrDom2.Set( ptrId2.Mid( domainPos2 + 1) );
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ptrUid2.Set( ptrId2.Mid( 0, domainPos2 ) );
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}
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// Create custom collation method to ignore punctuations
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// index 0 gets the default method
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TCollationMethod collation =
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*Mem::CollationMethodByIndex( 0 );
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collation.iFlags |= TCollationMethod::EIgnoreNone;
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// domains are compared only when it is really needed
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// check if userid part is the same in both ids
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TInt idResult = ptrUid1.Compare( ptrUid2);
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if( idResult != 0 )
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{
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return idResult;
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}
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// id part is same, we have to compare domain
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// If domain comparison is neutral and one id is without domain
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// -> Domains are same. Other situation domainResult stays valid.
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if( aDomainNeutral && ( domainIn1 ^ domainIn2 ) )
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{
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return 0;
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}
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else
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{
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return ptrDom1.CompareC( ptrDom2, KCollationLevel, &collation );
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}
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}
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// -----------------------------------------------------------------------------
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// VIMPSTStorageUtils::DisplayId
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// -----------------------------------------------------------------------------
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//
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TPtrC VIMPSTStorageUtils::DisplayId( const TDesC& aId, TBool /*aListHiding*/ )
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{
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TRACER_AUTO;
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TPtrC ret( aId );
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return ret;
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}
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// End of file
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