diff -r 000000000000 -r 1918ee327afb tools/assistant/lib/qhelpsearchengine.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/assistant/lib/qhelpsearchengine.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,121 @@
+/****************************************************************************
+**
+** 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 QHELPSEARCHENGINE_H
+#define QHELPSEARCHENGINE_H
+
+#include <QtHelp/qhelp_global.h>
+
+#include <QtCore/QMap>
+#include <QtCore/QUrl>
+#include <QtCore/QObject>
+#include <QtCore/QString>
+#include <QtCore/QStringList>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Help)
+
+class QHelpEngineCore;
+class QHelpSearchQueryWidget;
+class QHelpSearchResultWidget;
+class QHelpSearchEnginePrivate;
+
+class QHELP_EXPORT QHelpSearchQuery
+{
+public:
+    enum FieldName { DEFAULT = 0, FUZZY, WITHOUT, PHRASE, ALL, ATLEAST };
+
+    QHelpSearchQuery()
+        : fieldName(DEFAULT) { wordList.clear(); }
+    QHelpSearchQuery(FieldName field, const QStringList &wordList)
+        : fieldName(field), wordList(wordList) {}
+
+    FieldName fieldName;
+    QStringList wordList;
+};
+
+class QHELP_EXPORT QHelpSearchEngine : public QObject
+{
+    Q_OBJECT
+
+public:
+    QHelpSearchEngine(QHelpEngineCore *helpEngine, QObject *parent = 0);
+    ~QHelpSearchEngine();
+
+    QHelpSearchQueryWidget* queryWidget();
+    QHelpSearchResultWidget* resultWidget();
+
+    int hitsCount() const;
+
+    typedef QPair<QString, QString> SearchHit;
+    QList<SearchHit> hits(int start, int end) const;
+
+    QList<QHelpSearchQuery> query() const;
+
+public Q_SLOTS:
+    void reindexDocumentation();
+    void cancelIndexing();
+
+    void search(const QList<QHelpSearchQuery> &queryList);
+    void cancelSearching();
+
+Q_SIGNALS:
+    void indexingStarted();
+    void indexingFinished();
+
+    void searchingStarted();
+    void searchingFinished(int hits);
+
+private Q_SLOTS:
+    void indexDocumentation();
+
+private:
+    QHelpSearchEnginePrivate *d;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif  // QHELPSEARCHENGINE_H