--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/uiservicetab/vimpststorage/src/vimpststorageutils.cpp Wed Sep 01 12:33:36 2010 +0100
@@ -0,0 +1,146 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Utils for storage modules.
+*
+*/
+
+
+#include "vimpststorageutils.h"
+#include "cvimpststoragemanagerfactory.h"
+#include "mvimpststorageserviceview.h"
+
+#include "uiservicetabtracer.h"
+#include "vimpstbuilddefinitions.h"
+
+#include <escapeutils.h>
+#include <collate.h>
+
+// needed to skip prefixes in domain-neutral comparison (TUint version)
+const TUint KColonUInt( ':' );
+
+// needed to skip domains in domain-neutral comparison (TUint version)
+const TUint KAtUInt( '@' );
+
+// "test character identity and accents, ignore case"
+const TInt KCollationLevel = 1;
+
+
+
+// defines how far we are going to search for the protocol part in user id
+const TInt KMaxLengthSearchProtPart = 4;
+
+// -----------------------------------------------------------------------------
+// VIMPSTStorageUtils::NeutralCompare
+// -----------------------------------------------------------------------------
+//
+TInt VIMPSTStorageUtils::NeutralCompare( const TDesC& aId1,
+ const TDesC& aId2, TBool aDomainNeutral )
+ {
+ TRACER_AUTO;
+ // points to user part of id
+ TPtrC ptrId1( aId1 );
+ TPtrC ptrId2( aId2 );
+
+ // Reduce looking for protocol part only to beginning of the WVID and
+ // skip protocol part ("anything:") in the beginning of the WVID
+ TInt colonPos1 = aId1.Left( KMaxLengthSearchProtPart ).Locate( KColonUInt );
+
+ // first id
+ if ( ( KErrNotFound != colonPos1 ) && ( aId1.Length() -1 != colonPos1 ) )
+ {
+ // contains ":", and it is not the last char
+ ptrId1.Set( aId1.Mid( colonPos1 + 1 ) );
+ }
+
+ TInt colonPos2 = aId2.Left( KMaxLengthSearchProtPart ).Locate( KColonUInt );
+
+ // second id
+ if ( ( KErrNotFound != colonPos2 ) && ( aId2.Length() -1 != colonPos2 ) )
+ {
+ // contains ":", and it is not the last char
+ ptrId2.Set( aId2.Mid( colonPos2 + 1 ) );
+ }
+
+ // find out if we have domains in the ids
+ TInt domainPos1( ptrId1.Locate( KAtUInt ) );
+ TInt domainPos2( ptrId2.Locate( KAtUInt ) );
+
+ TBool domainIn1( KErrNotFound != domainPos1 );
+ TBool domainIn2( KErrNotFound != domainPos2 );
+
+ // points to domains in the neutral id
+ TPtrC ptrDom1( KNullDesC );
+ TPtrC ptrDom2( KNullDesC );
+
+ // points to user parts in the neutral id
+ TPtrC ptrUid1( ptrId1 );
+ TPtrC ptrUid2( ptrId2 );
+
+ // separate user id parts and domain parts
+ if ( domainIn1 )
+ {
+ ptrDom1.Set( ptrId1.Mid( domainPos1 + 1) );
+ ptrUid1.Set( ptrId1.Mid( 0, domainPos1 ) );
+ }
+
+ if ( domainIn2 )
+ {
+ ptrDom2.Set( ptrId2.Mid( domainPos2 + 1) );
+ ptrUid2.Set( ptrId2.Mid( 0, domainPos2 ) );
+ }
+
+ // Create custom collation method to ignore punctuations
+ // index 0 gets the default method
+ TCollationMethod collation =
+ *Mem::CollationMethodByIndex( 0 );
+ collation.iFlags |= TCollationMethod::EIgnoreNone;
+
+ // domains are compared only when it is really needed
+ // check if userid part is the same in both ids
+
+ TInt idResult = ptrUid1.Compare( ptrUid2);
+
+ if( idResult != 0 )
+ {
+ return idResult;
+ }
+
+ // id part is same, we have to compare domain
+
+ // If domain comparison is neutral and one id is without domain
+ // -> Domains are same. Other situation domainResult stays valid.
+ if( aDomainNeutral && ( domainIn1 ^ domainIn2 ) )
+ {
+ return 0;
+ }
+ else
+ {
+ return ptrDom1.CompareC( ptrDom2, KCollationLevel, &collation );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// VIMPSTStorageUtils::DisplayId
+// -----------------------------------------------------------------------------
+//
+TPtrC VIMPSTStorageUtils::DisplayId( const TDesC& aId, TBool /*aListHiding*/ )
+ {
+ TRACER_AUTO;
+ TPtrC ret( aId );
+
+ return ret;
+ }
+
+
+// End of file