1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team.

     4 ** All rights reserved.

     5 **

     6 ** Portion Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

     7 ** All rights reserved.

     8 **

     9 ** This file may be used under the terms of the GNU Lesser General Public

    10 ** License version 2.1 as published by the Free Software Foundation and

    11 ** appearing in the file LICENSE.LGPL included in the packaging of this file.

    12 ** Please review the following information to ensure the GNU Lesser General

    13 ** Public License version 2.1 requirements will be met:

    14 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    15 **

    16 ****************************************************************************/

    17 

    18 #ifndef QQUERYPARSER_P_H

    19 #define QQUERYPARSER_P_H

    20 

    21 //

    22 //  W A R N I N G

    23 //  -------------

    24 //

    25 // This file is not part of the Qt API. It exists for the convenience

    26 // of the help generator tools. This header file may change from version

    27 // to version without notice, or even be removed.

    28 //

    29 // We mean it.

    30 //

    31 

    32 #include "qreader_p.h"

    33 #include "qanalyzer_p.h"

    34 #include "qclucene_global_p.h"

    35 

    36 #include <QtCore/QString>

    37 #include <QtCore/QStringList>

    38 #include <QtCore/QSharedDataPointer>

    39 #include <QtCore/QSharedData>

    40 

    41 CL_NS_DEF(queryParser)

    42     class QueryParser;

    43 CL_NS_END

    44 CL_NS_USE(queryParser)

    45 

    46 QT_BEGIN_NAMESPACE

    47 

    48 class QCLuceneQuery;

    49 class QCLuceneMultiFieldQueryParser;

    50 

    51 class QHELP_EXPORT QCLuceneQueryParserPrivate : public QSharedData

    52 {

    53 public:

    54     QCLuceneQueryParserPrivate();

    55     QCLuceneQueryParserPrivate(const QCLuceneQueryParserPrivate &other);

    56 

    57     ~QCLuceneQueryParserPrivate();

    58 

    59     QueryParser *queryParser;

    60     bool deleteCLuceneQueryParser;

    61 

    62 private:

    63     QCLuceneQueryParserPrivate &operator=(const QCLuceneQueryParserPrivate &other);

    64 };

    65 

    66 class QHELP_EXPORT QCLuceneQueryParser

    67 {

    68 public:

    69     QCLuceneQueryParser(const QString &field, QCLuceneAnalyzer &analyzer);

    70     virtual ~QCLuceneQueryParser();

    71 

    72     QCLuceneQuery* parse(const QString &query);

    73     QCLuceneQuery* parse(QCLuceneReader &reader);

    74     static QCLuceneQuery* parse(const QString &query, const QString &field, 

    75                                 QCLuceneAnalyzer &analyzer);

    76     QCLuceneAnalyzer getAnalyzer();

    77     QString getField();

    78 

    79 protected:

    80     friend class QCLuceneMultiFieldQueryParser;

    81     QSharedDataPointer<QCLuceneQueryParserPrivate> d;

    82 

    83 private:

    84     QString field;

    85     QCLuceneAnalyzer analyzer;

    86 };

    87 

    88 class QHELP_EXPORT QCLuceneMultiFieldQueryParser : public QCLuceneQueryParser

    89 {

    90 public:

    91     enum FieldFlags {

    92         NORMAL_FIELD = 0,

    93         REQUIRED_FIELD = 1,

    94         PROHIBITED_FIELD = 2

    95     };

    96 

    97     QCLuceneMultiFieldQueryParser(const QStringList &fieldList, 

    98                                   QCLuceneAnalyzer &analyzer);

    99     ~QCLuceneMultiFieldQueryParser();

   100 

   101     static QCLuceneQuery *parse(const QString &query, const QStringList &fieldList,

   102                                 QCLuceneAnalyzer &analyzer);

   103     static QCLuceneQuery *parse(const QString &query, const QStringList &fieldList,

   104                                 QList<FieldFlags> flags, QCLuceneAnalyzer &analyzer);

   105 };

   106 

   107 QT_END_NAMESPACE

   108 

   109 #endif  // QQUERYPARSER_P_H