--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/assistant/lib/qhelpsearchindexwriter_clucene_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,125 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Assistant of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QHELPSEARCHINDEXWRITERCLUCENE_H
+#define QHELPSEARCHINDEXWRITERCLUCENE_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 "qhelpenginecore.h"
+#include "fulltextsearch/qanalyzer_p.h"
+
+#include <QtCore/QUrl>
+#include <QtCore/QThread>
+#include <QtCore/QMutex>
+#include <QtCore/QObject>
+#include <QtCore/QString>
+#include <QtCore/QDateTime>
+#include <QtCore/QStringList>
+#include <QtCore/QWaitCondition>
+
+QT_BEGIN_NAMESPACE
+
+class QCLuceneIndexWriter;
+
+namespace qt {
+    namespace fulltextsearch {
+        namespace clucene {
+
+class QHelpSearchIndexWriter : public QThread
+{
+    Q_OBJECT
+
+public:
+    QHelpSearchIndexWriter();
+    ~QHelpSearchIndexWriter();
+
+    void cancelIndexing();
+    void updateIndex(const QString &collectionFile,
+        const QString &indexFilesFolder, bool reindex);
+    void optimizeIndex();
+
+signals:
+    void indexingStarted();
+    void indexingFinished();
+
+private:
+    void run();
+
+    bool addDocuments(const QList<QUrl> docFiles, const QHelpEngineCore &engine,
+        const QStringList &attributes, const QString &namespaceName,
+        QCLuceneIndexWriter *writer, QCLuceneAnalyzer &analyzer);
+    void removeDocuments(const QString &indexPath, const QString &namespaceName);
+
+    bool writeIndexMap(QHelpEngineCore& engine,
+        const QMap<QString, QDateTime>& indexMap);
+
+    QList<QUrl> indexableFiles(QHelpEngineCore *helpEngine,
+        const QString &namespaceName, const QStringList &attributes) const;
+
+    void closeIndexWriter(QCLuceneIndexWriter *writer);
+
+private:
+    QMutex mutex;
+    QWaitCondition waitCondition;
+
+    bool m_cancel;
+    bool m_reindex;
+    QString m_collectionFile;
+    QString m_indexFilesFolder;
+};
+
+        }   // namespace clucene
+    }   // namespace fulltextsearch
+}   // namespace clucene
+
+QT_END_NAMESPACE
+
+#endif  // QHELPSEARCHINDEXWRITERCLUCENE_H