Long live Qt!

1 files changed, 168 insertions, 0 deletions

diff --git a/tools/assistant/lib/fulltextsearch/qqueryparser.cpp b/tools/assistant/lib/fulltextsearch/qqueryparser.cpp
new file mode 100644
index 0000000..ce1b512
--- /dev/null
+++ b/tools/assistant/lib/fulltextsearch/qqueryparser.cpp
@@ -0,0 +1,168 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QCLucene library and is distributable under
+** the terms of the LGPL license as specified in the license.txt file.
+**
+****************************************************************************/
+
+#include "qqueryparser_p.h"
+#include "qquery_p.h"
+#include "qclucene_global_p.h"
+
+#include <CLucene.h>
+#include <CLucene/queryParser/QueryParser.h>
+
+QT_BEGIN_NAMESPACE
+
+QCLuceneQueryParserPrivate::QCLuceneQueryParserPrivate()
+    : QSharedData()
+{
+    queryParser = 0;
+    deleteCLuceneQueryParser = true;
+}
+
+QCLuceneQueryParserPrivate::QCLuceneQueryParserPrivate(const QCLuceneQueryParserPrivate &other)
+    : QSharedData()
+{
+    queryParser = _CL_POINTER(other.queryParser);
+}
+
+QCLuceneQueryParserPrivate::~QCLuceneQueryParserPrivate()
+{
+    if (deleteCLuceneQueryParser)
+        _CLDECDELETE(queryParser);
+}
+
+
+QCLuceneQueryParser::QCLuceneQueryParser(const QString &field, 
+                                         QCLuceneAnalyzer &analyzer)
+    : d(new QCLuceneQueryParserPrivate())
+    , field(field)
+    , analyzer(analyzer)
+{
+    TCHAR *fieldName = QStringToTChar(field);
+    
+    d->queryParser = new lucene::queryParser::QueryParser(fieldName, 
+        analyzer.d->analyzer);
+
+    delete [] fieldName;
+}
+
+QCLuceneQueryParser::~QCLuceneQueryParser()
+{
+    // nothing todo
+}
+
+QCLuceneQuery* QCLuceneQueryParser::parse(const QString &query)
+{
+    TCHAR *string = QStringToTChar(query);
+
+    QCLuceneQuery *retValue = 0;
+    lucene::search::Query* q = d->queryParser->parse(string);
+    if (q) {
+        retValue = new QCLuceneQuery();
+        retValue->d->query = q;
+    }
+
+    delete [] string;
+    return retValue;
+}
+
+QCLuceneQuery* QCLuceneQueryParser::parse(QCLuceneReader &reader)
+{
+    QCLuceneQuery *retValue = 0;
+    lucene::search::Query* q = d->queryParser->parse(reader.d->reader);
+    if (q) {
+        retValue = new QCLuceneQuery();
+        retValue->d->query = q;
+    }
+
+    return retValue;
+}
+
+QCLuceneQuery* QCLuceneQueryParser::parse(const QString &query, const QString &field,
+                                          QCLuceneAnalyzer &analyzer)
+{
+    QCLuceneQueryParser parser(field, analyzer);
+    return parser.parse(query);
+}
+
+QCLuceneAnalyzer QCLuceneQueryParser::getAnalyzer()
+{
+    return analyzer;
+}
+
+QString QCLuceneQueryParser::getField()
+{
+    return field;
+}
+
+
+QCLuceneMultiFieldQueryParser::QCLuceneMultiFieldQueryParser(
+    const QStringList &fieldList, QCLuceneAnalyzer &analyzer)
+    : QCLuceneQueryParser(QLatin1String(""), analyzer)
+{
+    Q_UNUSED(fieldList)
+}
+
+QCLuceneMultiFieldQueryParser::~QCLuceneMultiFieldQueryParser()
+{
+    // nothing todo
+}
+
+QCLuceneQuery* QCLuceneMultiFieldQueryParser::parse(const QString &query, 
+                                                    const QStringList &fieldList,
+                                                    QCLuceneAnalyzer &analyzer)
+{
+    QCLuceneBooleanQuery *retValue = new QCLuceneBooleanQuery();
+    foreach (const QString &field, fieldList) {
+        QCLuceneQuery *q = QCLuceneQueryParser::parse(query, field, analyzer);
+        if (!q) {
+            delete retValue;
+            retValue = 0; break;
+        } else {
+            retValue->add(q, true, false, false);
+        }
+    }
+
+    return retValue;
+}
+
+QCLuceneQuery* QCLuceneMultiFieldQueryParser::parse(const QString &query,
+                                                    const QStringList &fieldList,
+                                                    QList<FieldFlags> flags, 
+                                                    QCLuceneAnalyzer &analyzer)
+{
+    QCLuceneBooleanQuery *retValue = new QCLuceneBooleanQuery();
+    qint32 i = 0;
+    foreach (const QString &field, fieldList) {
+		QCLuceneQuery *q = QCLuceneQueryParser::parse(query, field, analyzer);
+        if (q) {
+            qint32 flag = flags.at(i);
+            switch (flag) {
+                case QCLuceneMultiFieldQueryParser::REQUIRED_FIELD: {    
+                    retValue->add(q, true, true, false);
+                }   break;
+
+                case QCLuceneMultiFieldQueryParser::PROHIBITED_FIELD: {
+                    retValue->add(q, true, false, true);
+                }   break;
+
+                default: {
+                    retValue->add(q, true, false, false);
+                }   break;
+            }
+
+            ++i;
+        } else {
+            delete retValue;
+            retValue = 0; break;
+        }
+    }
+    return retValue;
+}
+
+QT_END_NAMESPACE