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     2 **

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

     4 ** All rights reserved.

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

     6 **

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

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

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

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

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

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

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

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

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

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    23 **

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

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

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    32 **

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    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 //#ifdef SYMBIAN_BACKEND_USE_SQLITE

    42 

    43 #include <QObject>

    44 #include <QString>

    45 

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

    47 #define SEARCH_FROM_ONE_TABLE

    48 

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

    50 // SELECT statement.

    51 #define USE_DEMORGAN

    52 

    53 class CQwertyKeyMap;

    54 class C12keyKeyMap;

    55 

    56 class CntSqlSearch// : public QObject

    57 {

    58     //Q_OBJECT

    59 

    60 public:

    61 

    62 enum SearchMethod { Undefinded, ZerosEndOfFirstToken, ZeroIsFirstNumber };

    63 

    64 enum QueryType

    65         {

    66         TwelveTable = 0,

    67         QwertyEmail,

    68         QwertyContact

    69         };

    70 

    71 public:

    72     CntSqlSearch();

    73     

    74     ~CntSqlSearch();

    75 

    76     QString CreatePredictiveSearch(const QString &pattern);

    77     

    78 

    79 private:

    80     

    81     QString selectQweryTable(const QString &pattern) const;

    82     

    83     QString SelectTable(const QString &pattern) const;

    84     

    85     QStringList GetTokens(const QString& pattern) const;

    86     

    87     QString CreateQwertyQuery(

    88             const QString& pattern) const;

    89     

    90     QString CreateQuery(const QString& pattern) const;

    91     

    92     QString ExactMatchSearch(const QString& pattern) const;

    93     

    94     QString ExactMatchSearchQwerty(const QString& pattern) const;

    95     

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

    97 

    98     QString IntersectionSearch(const QString& pattern,

    99                                const QStringList& numbers) const;

   100     QString SearchTokensFromOneTable(const QString& pattern,

   101 								     const QStringList& tokens,

   102 								     QueryType queryType = TwelveTable) const;

   103 

   104     QString IdenticalTokensSearch(const QString& pattern,

   105                                   const QStringList& numbers) const;

   106 

   107     QString CompareTwoColumns(const QString& lower,

   108 						 	  const QString& upper,

   109 							  const QString& lower2,

   110 							  const QString& upper2) const;

   111     

   112     QString CompareTwoQwertyColumns(const QString& lower,

   113                                     const QString& upper,

   114                                     const QString& lower2,

   115                                     const QString& upper2) const;

   116 

   117     QString TwoDifferentTokensSearch(const QString& pattern,

   118                                      const QStringList& tokens) const;

   119     

   120     QString CompareTwoColumnsWithModifiedPattern(const QString& pattern,

   121                                                 const QStringList& tokens) const;

   122     

   123     QString ModifiedMatchColumns(const QString& pattern) const;

   124 

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

   126     

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

   128 

   129     QString CreateJoinTableSearch(QString pattern, QStringList numbers) const;

   130 

   131     QString ExactMatchColumns(QStringList numbers) const;

   132 

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

   134 

   135     QString UpperLimit( const QString &pattern ) const;

   136     

   137     QString LowerLimit( const QString &pattern ) const;

   138 

   139     QString ChangeStringPadings( const QString &pattern ) const;

   140 

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

   142     

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

   144     

   145     bool isQwerty(const QString &pattern);

   146     

   147     QStringList qwertyTokens(const QString &pattern) const;

   148     

   149 private:

   150     

   151     CQwertyKeyMap* mQertyKeyMap; 

   152     C12keyKeyMap* mkeyKeyMap;

   153     

   154     friend class UT_CntSqlSearch;

   155 };

   156 //#endif