--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/predictivesearch/PcsAlgorithm/Algorithm1/inc/CPcsAlgorithm1Helper.h	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,133 @@
+/*
+* Copyright (c) 2007 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:  Predictive Contact Search Algorithm 1 main class
+*
+*/
+
+
+#ifndef C_PCS_ALGORITHM_1_HELPER
+#define C_PCS_ALGORITHM_1_HELPER
+
+// INCLUDES
+#include <e32cmn.h>
+#include <e32math.h>
+#include <e32hashtab.h>
+
+#include "CPcsPlugin.h"
+#include "CPsData.h"
+#include "CPcsCache.h"
+#include "CPcsKeyMap.h"
+#include "CPsQuery.h"
+#include "CPcsAlgorithm1FilterHelper.h"
+#include "mdatastoreobserver.h"
+
+// FORWARD DECLARATION
+class CPcsAlgorithm1;
+class CPsData;
+class CPsDataPluginInterface;
+class CPsQuery;
+
+// CLASS DECLARATION
+class CPcsAlgorithm1Helper : public CBase
+{
+    private:
+
+        /**
+         * Constructor
+         */
+        CPcsAlgorithm1Helper();
+
+        /**
+         * 2nd phase construtor
+         */
+        void ConstructL(CPcsAlgorithm1* aAlgorithm);
+
+    public:
+
+        /**
+         * Two phase construction
+         */
+        static CPcsAlgorithm1Helper* NewL(CPcsAlgorithm1* aAlgorithm);
+
+        /**
+         * Destructor
+         */
+        virtual ~CPcsAlgorithm1Helper();
+
+    private:
+
+        /**
+         * Filter subset results for ITU-T mode, QWERTY mode, or Mixed (ITU-T and QWERTY) mode.
+         */
+        void FilterResultsSingleL(CPcsAlgorithm1FilterHelper* aAlgorithmFilterHelper,
+                                  RPointerArray<CPcsPoolElement>& searchSet,
+                                  CPsQuery& aPsQuery,
+                                  TUint8 aFilteredDataMatch,
+                                  TBool isSearchInGroup,
+                                  RArray<TInt>& aContactsInGroup);
+
+        /**
+         * Constructs a bit pattern using the required/supported data fields
+         * For example, 6, 4 and 27 are supported fields <-- 00000111
+         *              6 and 4 are required fields      <-- 00000011
+         * Bit pattern returned is 00000011.
+         */
+        TUint8 FilterDataFieldsL(RArray<TInt>& aRequiredDataFields,
+                                 RArray<TInt>& aSupportedDataFields);
+
+    public:
+
+        /**
+         * Search function for query in ITU-T mode, QWERTY mode, or Mixed (ITU-T and QWERTY) mode.
+         */
+        void SearchSingleL(const CPsSettings& aSettings,
+                           CPsQuery& aPsQuery,
+                           TBool isGroupSearch,
+                           RArray<TInt>& aContactsInGroup,
+                           RPointerArray<CPsData>& searchResults,
+                           RPointerArray<CPsPattern>& searchSeqs );
+
+        /**
+         * Funciton to search matching sequences in the input text.
+         */
+        void SearchMatchSeqL(CPsQuery& aPsQuery,
+                             TDesC& aData,
+                             RPointerArray<TDesC>& aMatchSet,
+                             RArray<TPsMatchLocation>& aMatchLocation );
+
+        /**
+         * Sort search sequences.
+         */
+        void SortSearchSeqsL(RPointerArray<TDesC>& aMatchSet);
+
+    private:
+
+        /**
+         * Pointer to algorithm instance. Not owned.
+         */
+        CPcsAlgorithm1* iAlgorithm;
+
+        /**
+         * Pointer to key map instance. Not owned.
+         */
+        CPcsKeyMap* iKeyMap;
+
+        /**
+         * Array of result sets from different data stores.
+         */
+        typedef RPointerArray<CPsData> CPSDATA_R_PTR_ARRAY;
+        RPointerArray<CPSDATA_R_PTR_ARRAY> iSearchResultsArr;
+};
+
+#endif // C_PCS_ALGORITHM_1_HELPER