/*

* 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 the License "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 __FORMDATASTORE_H__

#define __FORMDATASTORE_H__

#include <wtf/Vector.h>

#include <wtf/HashSet.h>

#include "SQLDatabase.h"

#include "PlatformString.h"

#include "StringHash.h"

namespace WebCore {

class SQLDatabase;

class FormFillController;

class String;

class SQLStatement;

class FormDataStore

{

public:

    FormDataStore(FormFillController*);

    ~FormDataStore();

    bool search(const String& name_, const String& value_, Vector<String>& results);

    void add(const String& name_, const String& value_);

    void deleteAll();

private:

    FormDataStore(const FormDataStore&);                // not implemented

    FormDataStore& operator=(const FormDataStore&);     // not implemented

    // database mainpulation

    void close();

    bool openFormDatabase();

    void createDatabaseTable();

    void setFormValueQuery(const String& name, const String& value);

    SQLStatement *m_setFormValueStatement;

    void getFormValueQuery(const String& name);

    SQLStatement *m_getFormValueStatement;

    void deleteFormDataQuery();

    SQLStatement *m_deleteFormDataStatement;

    SQLDatabase m_formDB;

    // caching

    String m_lastQueriedName;

    HashSet<String> m_valueCache;

};

}

#endif //!__FORMDATASTORE_H__