/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the examples of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

//#ifdef SYMBIAN_BACKEND_USE_SQLITE

#include <QObject>

#include <QString>

// If this macro is defined, searches like "102" are made on one table only

#define SEARCH_FROM_ONE_TABLE

// If defined, De Morgan's laws are used to replace ORs with ANDs in the

// SELECT statement.

#define USE_DEMORGAN

class CQwertyKeyMap;

class C12keyKeyMap;

class CntSqlSearch// : public QObject

{

    //Q_OBJECT

public:

enum SearchMethod { Undefinded, ZerosEndOfFirstToken, ZeroIsFirstNumber };

enum QueryType

        {

        TwelveTable = 0,

        QwertyEmail,

        QwertyContact

        };

public:

    CntSqlSearch();

    ~CntSqlSearch();

    QString CreatePredictiveSearch(const QString &pattern);

private:

    QString selectQweryTable(const QString &pattern) const;

    QString SelectTable(const QString &pattern) const;

    QStringList GetTokens(const QString& pattern) const;

    QString CreateQwertyQuery(

            const QString& pattern) const;

    QString CreateQuery(const QString& pattern) const;

    QString ExactMatchSearch(const QString& pattern) const;

    QString ExactMatchSearchQwerty(const QString& pattern) const;

    QString CreateSpaceStringSearch(QStringList numbers, const QString &pattern) const;

    QString IntersectionSearch(const QString& pattern,

                               const QStringList& numbers) const;

    QString SearchTokensFromOneTable(const QString& pattern,

								     const QStringList& tokens,

								     QueryType queryType = TwelveTable) const;

    QString IdenticalTokensSearch(const QString& pattern,

                                  const QStringList& numbers) const;

    QString CompareTwoColumns(const QString& lower,

						 	  const QString& upper,

							  const QString& lower2,

							  const QString& upper2) const;

    QString CompareTwoQwertyColumns(const QString& lower,

                                    const QString& upper,

                                    const QString& lower2,

                                    const QString& upper2) const;

    QString TwoDifferentTokensSearch(const QString& pattern,

                                     const QStringList& tokens) const;

    QString CompareTwoColumnsWithModifiedPattern(const QString& pattern,

                                                const QStringList& tokens) const;

    QString ModifiedMatchColumns(const QString& pattern) const;

    QString ExactMatch(const QString& pattern, QString table = "") const;

    QString ExactMatchQwerty(const QString& pattern, QString table = "") const;

    QString CreateJoinTableSearch(QString pattern, QStringList numbers) const;

    QString ExactMatchColumns(QStringList numbers) const;

    QString Order(QStringList numbers, QueryType queryType = TwelveTable ) const;

    QString UpperLimit( const QString &pattern ) const;

    QString LowerLimit( const QString &pattern ) const;

    QString ChangeStringPadings( const QString &pattern ) const;

    bool TestPattern( const QString &pattern, SearchMethod searchMethod =  Undefinded ) const;

    QString Pad( const QString &pattern, char padChar ) const;

    bool isQwerty(const QString &pattern);

    QStringList qwertyTokens(const QString &pattern) const;

private:

    CQwertyKeyMap* mQertyKeyMap; 

    C12keyKeyMap* mkeyKeyMap;

    friend class UT_CntSqlSearch;

};

//#endif