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diff --git a/tools/qdoc3/codechunk.h b/tools/qdoc3/codechunk.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 tools applications 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+  codechunk.h
+*/
+
+#ifndef CODECHUNK_H
+#define CODECHUNK_H
+
+#include <qstring.h>
+
+QT_BEGIN_NAMESPACE
+
+// ### get rid of that class
+
+/*
+  The CodeChunk class represents a tiny piece of C++ code.
+
+  The class provides convertion between a list of lexemes and a string.  It adds
+  spaces at the right place for consistent style.  The tiny pieces of code it
+  represents are data types, enum values, and default parameter values.
+
+  Apart from the piece of code itself, there are two bits of metainformation
+  stored in CodeChunk: the base and the hotspot.  The base is the part of the
+  piece that may be a hypertext link.  The base of
+
+      QMap<QString, QString>
+
+  is QMap.
+
+  The hotspot is the place the variable name should be inserted in the case of a
+  variable (or parameter) declaration.  The base of
+
+      char * []
+
+  is between '*' and '[]'.
+*/
+class CodeChunk
+{
+public:
+    CodeChunk();
+    CodeChunk( const QString& str );
+
+    void append( const QString& lexeme );
+    void appendHotspot();
+
+    bool isEmpty() const { return s.isEmpty(); }
+    QString toString() const;
+    QStringList toPath() const;
+    QString left() const { return s.left(hotspot == -1 ? s.length() : hotspot); }
+    QString right() const { return s.mid(hotspot == -1 ? s.length() : hotspot); }
+
+private:
+    QString s;
+    int hotspot;
+};
+
+inline bool operator==( const CodeChunk& c, const CodeChunk& d ) {
+    return c.toString() == d.toString();
+}
+
+inline bool operator!=( const CodeChunk& c, const CodeChunk& d ) {
+    return !( c == d );
+}
+
+inline bool operator<( const CodeChunk& c, const CodeChunk& d ) {
+    return c.toString() < d.toString();
+}
+
+inline bool operator>( const CodeChunk& c, const CodeChunk& d ) {
+    return d < c;
+}
+
+inline bool operator<=( const CodeChunk& c, const CodeChunk& d ) {
+    return !( c > d );
+}
+
+inline bool operator>=( const CodeChunk& c, const CodeChunk& d ) {
+    return !( c < d );
+}
+
+QT_END_NAMESPACE
+
+#endif