diff -r 000000000000 -r 1918ee327afb tools/assistant/lib/fulltextsearch/qqueryparser.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tools/assistant/lib/fulltextsearch/qqueryparser.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,176 @@ +/**************************************************************************** +** +** Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team. +** All rights reserved. +** +** Portion Copyright (C) 2009 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 "qqueryparser_p.h" +#include "qquery_p.h" +#include "qclucene_global_p.h" + +#include +#include + +QT_BEGIN_NAMESPACE + +QCLuceneQueryParserPrivate::QCLuceneQueryParserPrivate() + : QSharedData() +{ + queryParser = 0; + deleteCLuceneQueryParser = true; +} + +QCLuceneQueryParserPrivate::QCLuceneQueryParserPrivate(const QCLuceneQueryParserPrivate &other) + : QSharedData() +{ + queryParser = _CL_POINTER(other.queryParser); + deleteCLuceneQueryParser = other.deleteCLuceneQueryParser; +} + +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 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