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diff --git a/experimental/tqtinterface/qt4/tools/assistant/docuparser.h b/experimental/tqtinterface/qt4/tools/assistant/docuparser.h
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@@ -0,0 +1,151 @@
+/**********************************************************************
+** Copyright (C) 2000-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of the TQt Assistant.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free TQt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** Licensees holding valid TQt Commercial licenses may use this file in
+** accordance with the TQt Commercial License Agreement provided with
+** the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#ifndef DOCUPARSER_H
+#define DOCUPARSER_H
+
+#include <tqxml.h>
+#include <tqptrlist.h>
+#include <tqmap.h>
+
+class Profile;
+
+struct ContentItem {
+    ContentItem()
+	: title( TQString() ), reference( TQString() ), depth( 0 ) {}
+    ContentItem( const TQString &t, const TQString &r, int d )
+	: title( t ), reference( r ), depth( d ) {}
+    TQString title;
+    TQString reference;
+    int depth;
+    TQ_DUMMY_COMPARISON_OPERATOR(ContentItem)
+};
+
+TQDataStream &operator>>( TQDataStream &s, ContentItem &ci );
+TQDataStream &operator<<( TQDataStream &s, const ContentItem &ci );
+
+struct IndexItem {
+    IndexItem( const TQString &k, const TQString &r )
+	: keyword( k ), reference( r ) {}
+    TQString keyword;
+    TQString reference;
+};
+
+
+
+class DocuParser : public TQXmlDefaultHandler
+{
+public:
+    enum ParserVersion { TQt310, TQt320 };
+    // Since We don't want problems with documentation
+    // from version to version, this string stores the correct
+    // version string to save documents.
+    static const TQString DocumentKey;
+
+    static DocuParser *createParser( const TQString &fileName );
+
+    virtual bool parse( TQFile *file );
+    
+    TQValueList<ContentItem> getContentItems();
+    TQPtrList<IndexItem> getIndexItems();
+
+    TQString errorProtocol() const;
+    TQString contentsURL() const { return conURL; }
+
+    virtual ParserVersion parserVersion() const = 0;
+    virtual void addTo( Profile *p ) = 0;
+
+    TQString fileName() const { return fname; }
+    void setFileName( const TQString &file ) { fname = file; }
+
+protected:
+    TQString absolutify( const TQString &input ) const;
+    
+    TQString contentRef, indexRef, errorProt, conURL;
+    TQString docTitle, title, iconName;
+    TQValueList<ContentItem> contentList;
+    TQPtrList<IndexItem> indexList;
+    TQString fname;
+};
+
+
+class DocuParser310 : public DocuParser
+{
+public:
+    enum States{ StateInit, StateContent, StateSect, StateKeyword };
+    
+    bool startDocument();
+    bool startElement( const TQString&, const TQString&, const TQString& ,
+                       const TQXmlAttributes& );
+    bool endElement( const TQString&, const TQString&, const TQString& );
+    bool characters( const TQString & );
+    bool fatalError( const TQXmlParseException& exception );
+
+    virtual ParserVersion parserVersion() const { return TQt310; }
+    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 TQString&, const TQString&, const TQString& ,
+                       const TQXmlAttributes& );
+    bool endElement( const TQString&, const TQString&, const TQString& );
+    bool characters( const TQString & );
+    bool fatalError( const TQXmlParseException& exception );
+
+    virtual ParserVersion parserVersion() const { return TQt320; }
+    virtual void addTo( Profile *p );
+    Profile *profile() const { return prof; }    
+
+private:
+    
+    States state;
+    int depth;
+    int docfileCounter;
+    TQString propertyValue;
+    TQString propertyName;
+    Profile *prof;
+};
+#endif //DOCUPARSER_H