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diff --git a/tools/assistant/compat/docuparser.h b/tools/assistant/compat/docuparser.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef DOCUPARSER_H
+#define DOCUPARSER_H
+
+#include <QList>
+#include <QMap>
+#include <QXmlDefaultHandler>
+#include <QXmlAttributes>
+#include <QXmlParseException>
+
+QT_BEGIN_NAMESPACE
+
+class Profile;
+
+struct ContentItem {
+    ContentItem()
+	: title( QString() ), reference( QString() ), depth( 0 ) {}
+    ContentItem( const QString &t, const QString &r, int d )
+	: title( t ), reference( r ), depth( d ) {}
+    QString title;
+    QString reference;
+    int depth;
+    Q_DUMMY_COMPARISON_OPERATOR(ContentItem)
+};
+
+QDataStream &operator>>( QDataStream &s, ContentItem &ci );
+QDataStream &operator<<( QDataStream &s, const ContentItem &ci );
+
+struct IndexItem {
+    IndexItem( const QString &k, const QString &r )
+	: keyword( k ), reference( r ) {}
+    QString keyword;
+    QString reference;
+};
+
+
+
+class DocuParser : public QXmlDefaultHandler
+{
+public:
+    enum ParserVersion { Qt310, Qt320 };
+    // Since We don't want problems with documentation
+    // from version to version, this string stores the correct
+    // version string to save documents.
+    static const QString DocumentKey;
+
+    static DocuParser *createParser( const QString &fileName );
+
+    virtual bool parse( QFile *file );
+    
+    QList<ContentItem> getContentItems();
+    QList<IndexItem*> getIndexItems();
+
+    QString errorProtocol() const;
+    QString contentsURL() const { return conURL; }
+
+    virtual ParserVersion parserVersion() const = 0;
+    virtual void addTo( Profile *p ) = 0;
+
+    QString fileName() const { return fname; }
+    void setFileName( const QString &file ) { fname = file; }
+
+protected:
+    QString absolutify( const QString &input, bool makeUrl = true ) const;
+    
+    QString contentRef, indexRef, errorProt, conURL;
+    QString docTitle, title, iconName;
+    QList<ContentItem> contentList;
+    QList<IndexItem*> indexList;
+    QString fname;
+};
+
+
+class DocuParser310 : public DocuParser
+{
+public:
+    enum States{ StateInit, StateContent, StateSect, StateKeyword };
+    
+    bool startDocument();
+    bool startElement( const QString&, const QString&, const QString& ,
+                       const QXmlAttributes& );
+    bool endElement( const QString&, const QString&, const QString& );
+    bool characters( const QString & );
+    bool fatalError( const QXmlParseException& exception );
+
+    virtual ParserVersion parserVersion() const { return Qt310; }
+    virtual void addTo( Profile *p );
+    
+private:
+    States state;
+    int depth;
+};
+
+
+class DocuParser320 : public DocuParser
+{
+public:
+    enum States { StateInit, StateDocRoot, StateProfile, StateProperty,
+		  StateContent, StateSect, StateKeyword };
+
+    DocuParser320();    
+    
+    bool startDocument();
+    bool startElement( const QString&, const QString&, const QString& ,
+                       const QXmlAttributes& );
+    bool endElement( const QString&, const QString&, const QString& );
+    bool characters( const QString & );
+    bool fatalError( const QXmlParseException& exception );
+
+    virtual ParserVersion parserVersion() const { return Qt320; }
+    virtual void addTo( Profile *p );
+    Profile *profile() const { return prof; }    
+
+private:
+    
+    States state;
+    int depth;
+    int docfileCounter;
+    QString propertyValue;
+    QString propertyName;
+    Profile *prof;
+};
+
+QT_END_NAMESPACE
+
+#endif // DOCUPARSER_H