--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symhelp/helpmodel/inc/HLPSRCH.H	Tue Jan 26 15:15:23 2010 +0200
@@ -0,0 +1,155 @@
+// Copyright (c) 1999-2009 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:
+//
+
+#ifndef __HLPSRCH_H__
+#define __HLPSRCH_H__
+
+#include <e32std.h>
+#include <d32dbms.h>
+#include <s32file.h>
+#include "HLPDB.H"
+#include "HLPMODEL.H"
+
+class CHlpDatabase;
+class MHlpDbObserver;
+
+
+
+//
+// ----> MHlpPrivObserver 
+//
+class MHlpPrivObserver
+	{
+public:
+	virtual void HandleSearchEventL(TInt aEvent)=0;
+	};
+
+
+
+//
+// ----> CHlpSQLBuffer 
+//
+class CHlpSQLBuffer : public CBase
+	{
+public:
+	void ConstructL(TInt aBufferSize);
+	CHlpSQLBuffer();
+	~CHlpSQLBuffer();
+	void AppendL(const TDesC& aDes);
+	void AppendL(TInt aNum);
+	void AppendSQLL(const TDesC& aDes);
+	const TDesC& SearchStatement() const;
+	void Reset();
+
+private:
+	void AppendTextL(const TDesC& aDes);
+	
+private:
+	HBufC* iSQLStatement;
+	};
+
+
+//
+// ----> CHlpSQLEvaluator 
+//
+class CHlpSQLEvaluator : public CActive
+	{
+public:
+	static CHlpSQLEvaluator* NewL(TInt aPriority);
+	static CHlpSQLEvaluator* NewLC(TInt aPriority);
+	~CHlpSQLEvaluator();
+
+	void Initialize(RDbView& aView, MHlpPrivObserver& aObserver);
+
+protected:
+	virtual void RunL();
+	virtual void DoCancel();
+
+private:
+	void Start();
+	CHlpSQLEvaluator(TInt aPriority);
+
+private:
+	MHlpPrivObserver* iObserver;
+	RDbView* iView;
+	};
+
+
+
+//
+// ----> CHlpSQLSearch 
+//
+class CHlpSQLSearch : public CBase, public MHlpPrivObserver
+	{
+public:
+	static CHlpSQLSearch* NewL(MHlpDbObserver& aObserver);
+	~CHlpSQLSearch();
+
+public:
+	void SetDatabase(CHlpDatabase& aDatabase);
+	void SearchL(TInt aType, const TDesC& aCriterion);
+	void CancelEvaluator();
+
+	inline RDbView& View() const;
+
+private:
+	void ContextSearchL(const TDesC& aCriterion);
+	void IndexIdSearchL(const TDesC& aCriterion);
+	void TopicIdSearchL(const TDesC& aCriterion);
+	void TextSearchL(const TDesC& aCriterion, TBool aFullText=EFalse);
+
+private:
+	void IndexListL();
+	void CategoryListL();
+	void TopicListForCategoryL(const TDesC& aCriterion);
+	void TopicListForCategoryUIDL(const TDesC& aCriterion);
+	void TopicIdSearchL();
+	void BuildViewL();
+	void Reset();
+
+private: // observer stuff
+	void HandleSearchEventL(TInt aEvent);
+	inline void ReportEventToObserverL(TInt aEvent)		{ iObserver->HandleDbEventL(aEvent); }
+
+private:
+	CHlpSQLSearch(MHlpDbObserver& aObserver);
+	void ConstructL();
+
+private:
+	enum TFlags
+		{
+		EFlagsNull					= 0x0000,
+		EFlagsPerformSearch			= 0x0001,
+		EFlagsAsynchronousSearch	= 0x0002,
+		EFlagsHaveValidDatabase		= 0x0004
+		};
+
+private:
+	TUint iFlags;
+	CHlpSQLBuffer* iSQLStatement;
+	CHlpSQLEvaluator* iSQLEvaluator;
+	CHlpDatabase* iDatabase;
+	RDbView* iView;
+	MHlpDbObserver* iObserver;
+	};
+
+
+
+inline RDbView& CHlpSQLSearch::View() const
+	{
+	return *iView;
+	}
+
+#endif