summaryrefslogtreecommitdiffstats
path: root/tools/assistant/lib/fulltextsearch/qanalyzer_p.h
blob: 162d6799b53a0e2b6d7734c9b50e89f6f2dbf520 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
/****************************************************************************
**
** Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team.
** All rights reserved.
**
** Portion Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
**
** 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.
**
****************************************************************************/

#ifndef QANALYZER_P_H
#define QANALYZER_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the help generator tools. This header file may change from version
// to version without notice, or even be removed.
//
// We mean it.
//

#include "qreader_p.h"
#include "qtokenstream_p.h"
#include "qclucene_global_p.h"

#include <QtCore/QList>
#include <QtCore/QString>
#include <QtCore/QStringList>
#include <QtCore/QSharedDataPointer>
#include <QtCore/QSharedData>

CL_NS_DEF(analysis)
    class Analyzer;
CL_NS_END
CL_NS_USE(analysis)

QT_BEGIN_NAMESPACE

class QCLuceneIndexWriter;
class QCLuceneQueryParser;
class QCLuceneStopAnalyzer;
class QCLuceneSimpleAnalyzer;
class QCLuceneKeywordAnalyzer;
class QCLuceneStandardAnalyzer;
class QCLuceneWhitespaceAnalyzer;
class QCLucenePerFieldAnalyzerWrapper;

class QHELP_EXPORT QCLuceneAnalyzerPrivate : public QSharedData
{
public:
    QCLuceneAnalyzerPrivate();
    QCLuceneAnalyzerPrivate(const QCLuceneAnalyzerPrivate &other);

    ~QCLuceneAnalyzerPrivate();

    Analyzer *analyzer;
    bool deleteCLuceneAnalyzer;

private:
    QCLuceneAnalyzerPrivate &operator=(const QCLuceneAnalyzerPrivate &other);
};

class QHELP_EXPORT QCLuceneAnalyzer
{
public:
    virtual ~QCLuceneAnalyzer();

    qint32 positionIncrementGap(const QString &fieldName) const;
    QCLuceneTokenStream tokenStream(const QString &fieldName, 
                                    const QCLuceneReader &reader) const;

protected:
    friend class QCLuceneIndexWriter;
    friend class QCLuceneQueryParser;
    friend class QCLuceneStopAnalyzer;
    friend class QCLuceneSimpleAnalyzer;
    friend class QCLuceneKeywordAnalyzer;
    friend class QCLuceneStandardAnalyzer;
    friend class QCLuceneWhitespaceAnalyzer;
    friend class QCLucenePerFieldAnalyzerWrapper;
    QSharedDataPointer<QCLuceneAnalyzerPrivate> d;

private:
    QCLuceneAnalyzer();
};

class QHELP_EXPORT QCLuceneStandardAnalyzer : public QCLuceneAnalyzer
{
public:
    QCLuceneStandardAnalyzer();
    QCLuceneStandardAnalyzer(const QStringList &stopWords);

    ~QCLuceneStandardAnalyzer();
};

class QHELP_EXPORT QCLuceneWhitespaceAnalyzer : public QCLuceneAnalyzer
{
public:
    QCLuceneWhitespaceAnalyzer();
    ~QCLuceneWhitespaceAnalyzer();
};

class QHELP_EXPORT QCLuceneSimpleAnalyzer : public QCLuceneAnalyzer
{
public:
    QCLuceneSimpleAnalyzer();
    ~QCLuceneSimpleAnalyzer();
};

class QHELP_EXPORT QCLuceneStopAnalyzer : public QCLuceneAnalyzer
{
public:
    QCLuceneStopAnalyzer();
    QCLuceneStopAnalyzer(const QStringList &stopWords);

    ~QCLuceneStopAnalyzer();

    QStringList englishStopWords() const;
};

class QHELP_EXPORT QCLuceneKeywordAnalyzer : public QCLuceneAnalyzer
{
public:
    QCLuceneKeywordAnalyzer();
    ~QCLuceneKeywordAnalyzer();
};

class QHELP_EXPORT QCLucenePerFieldAnalyzerWrapper : public QCLuceneAnalyzer
{
public:
    QCLucenePerFieldAnalyzerWrapper(QCLuceneAnalyzer *defaultAnalyzer);
    ~QCLucenePerFieldAnalyzerWrapper();

    void addAnalyzer(const QString &fieldName, QCLuceneAnalyzer *analyzer);

private:
    QList<QCLuceneAnalyzer*> analyzers;
};

QT_END_NAMESPACE

#endif  // QANALYZER_P_H