blob: db2f06ceeab66171166c049165c278f88e31fcb5 (
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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/****************************************************************************
**
** Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team.
** All rights reserved.
**
** Portion Copyright (C) 2010 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.
**
****************************************************************************/
#include "qanalyzer_p.h"
#include "qclucene_global_p.h"
#include <CLucene.h>
#include <CLucene/analysis/AnalysisHeader.h>
QT_BEGIN_NAMESPACE
QCLuceneAnalyzerPrivate::QCLuceneAnalyzerPrivate()
: QSharedData()
{
analyzer = 0;
deleteCLuceneAnalyzer = true;
}
QCLuceneAnalyzerPrivate::QCLuceneAnalyzerPrivate(const QCLuceneAnalyzerPrivate &other)
: QSharedData()
{
analyzer = _CL_POINTER(other.analyzer);
deleteCLuceneAnalyzer = other.deleteCLuceneAnalyzer;
}
QCLuceneAnalyzerPrivate::~QCLuceneAnalyzerPrivate()
{
if (deleteCLuceneAnalyzer)
_CLDECDELETE(analyzer);
}
QCLuceneAnalyzer::QCLuceneAnalyzer()
: d(new QCLuceneAnalyzerPrivate())
{
//nothing todo, private
}
QCLuceneAnalyzer::~QCLuceneAnalyzer()
{
// nothing todo
}
qint32 QCLuceneAnalyzer::positionIncrementGap(const QString &fieldName) const
{
Q_UNUSED(fieldName);
return 0;
}
QCLuceneTokenStream QCLuceneAnalyzer::tokenStream(const QString &fieldName,
const QCLuceneReader &reader) const
{
TCHAR *fName = QStringToTChar(fieldName);
QCLuceneTokenStream tokenStream;
tokenStream.d->tokenStream = d->analyzer->tokenStream(fName, reader.d->reader);
delete [] fName;
return tokenStream;
}
QCLuceneStandardAnalyzer::QCLuceneStandardAnalyzer()
: QCLuceneAnalyzer()
{
d->analyzer = new lucene::analysis::standard::StandardAnalyzer();
}
QCLuceneStandardAnalyzer::~QCLuceneStandardAnalyzer()
{
// nothing todo
}
QCLuceneStandardAnalyzer::QCLuceneStandardAnalyzer(const QStringList &stopWords)
{
const TCHAR **tArray = new const TCHAR*[stopWords.count() +1];
for(int i = 0; i < stopWords.count(); ++i) {
TCHAR *stopWord = QStringToTChar(stopWords.at(i));
tArray[i] = STRDUP_TtoT(stopWord);
delete [] stopWord;
}
tArray[stopWords.count()] = 0;
d->analyzer = new lucene::analysis::standard::StandardAnalyzer(tArray);
// free memory
for(int i = 0; i < stopWords.count(); ++i) {
delete [] tArray[i];
}
delete [] tArray;
}
QCLuceneWhitespaceAnalyzer::QCLuceneWhitespaceAnalyzer()
: QCLuceneAnalyzer()
{
d->analyzer = new lucene::analysis::WhitespaceAnalyzer();
}
QCLuceneWhitespaceAnalyzer::~QCLuceneWhitespaceAnalyzer()
{
// nothing todo
}
QCLuceneSimpleAnalyzer::QCLuceneSimpleAnalyzer()
: QCLuceneAnalyzer()
{
d->analyzer = new lucene::analysis::SimpleAnalyzer();
}
QCLuceneSimpleAnalyzer::~QCLuceneSimpleAnalyzer()
{
// nothing todo
}
QCLuceneStopAnalyzer::QCLuceneStopAnalyzer()
: QCLuceneAnalyzer()
{
d->analyzer = new lucene::analysis::StopAnalyzer();
}
QCLuceneStopAnalyzer::~QCLuceneStopAnalyzer()
{
// nothing todo
}
QCLuceneStopAnalyzer::QCLuceneStopAnalyzer(const QStringList &stopWords)
: QCLuceneAnalyzer()
{
const TCHAR **tArray = new const TCHAR*[stopWords.count() +1];
for(int i = 0; i < stopWords.count(); ++i) {
TCHAR *stopWord = QStringToTChar(stopWords.at(i));
tArray[i] = STRDUP_TtoT(stopWord);
delete [] stopWord;
}
tArray[stopWords.count()] = 0;
d->analyzer = new lucene::analysis::StopAnalyzer(tArray);
// free memory
for(int i = 0; i < stopWords.count(); ++i) {
delete [] tArray[i];
}
delete [] tArray;
}
QStringList QCLuceneStopAnalyzer::englishStopWords() const
{
QStringList stopWordList;
const TCHAR** stopWords = lucene::analysis::StopAnalyzer::ENGLISH_STOP_WORDS;
for (qint32 i = 0; stopWords[i] != 0; ++i)
stopWordList.append(TCharToQString(stopWords[i]));
return stopWordList;
}
QCLuceneKeywordAnalyzer::QCLuceneKeywordAnalyzer()
: QCLuceneAnalyzer()
{
d->analyzer = new lucene::analysis::KeywordAnalyzer();
}
QCLuceneKeywordAnalyzer::~QCLuceneKeywordAnalyzer()
{
// nothing todo
}
QCLucenePerFieldAnalyzerWrapper::QCLucenePerFieldAnalyzerWrapper(
QCLuceneAnalyzer *defaultAnalyzer)
: QCLuceneAnalyzer()
{
d->analyzer = new
lucene::analysis::PerFieldAnalyzerWrapper(defaultAnalyzer->d->analyzer);
analyzers.append(defaultAnalyzer);
defaultAnalyzer->d->deleteCLuceneAnalyzer = false;
}
QCLucenePerFieldAnalyzerWrapper::~QCLucenePerFieldAnalyzerWrapper()
{
qDeleteAll(analyzers);
}
void QCLucenePerFieldAnalyzerWrapper::addAnalyzer(const QString &fieldName,
QCLuceneAnalyzer *analyzer)
{
lucene::analysis::PerFieldAnalyzerWrapper *analyzerWrapper =
static_cast<lucene::analysis::PerFieldAnalyzerWrapper*> (d->analyzer);
if (analyzerWrapper == 0)
return;
analyzers.append(analyzer);
analyzer->d->deleteCLuceneAnalyzer = false;
TCHAR *fName = QStringToTChar(fieldName);
analyzerWrapper->addAnalyzer(fName, analyzer->d->analyzer);
delete [] fName;
}
QT_END_NAMESPACE
|
