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# highlighter.h Example File
richtext/syntaxhighlighter/highlighter.h

     /****************************************************************************
     **
     ** Copyright (C) 2005-$THISYEAR$ $TROLLTECH$. All rights reserved.
     **
     ** This file is part of the $MODULE$ of the Qt Toolkit.
     **
     ** $TROLLTECH_DUAL_LICENSE$
     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     **
     ****************************************************************************/

     #ifndef HIGHLIGHTER_H
     #define HIGHLIGHTER_H

     #include <QSyntaxHighlighter>

     #include <QHash>
     #include <QTextCharFormat>

     class QTextDocument;

     class Highlighter : public QSyntaxHighlighter
     {
         Q_OBJECT

     public:
         Highlighter(QTextDocument *parent = 0);

     protected:
         void highlightBlock(const QString &text);

     private:
         struct HighlightingRule
         {
             QRegExp pattern;
             QTextCharFormat format;
         };
         QVector<HighlightingRule> highlightingRules;

         QRegExp commentStartExpression;
         QRegExp commentEndExpression;

         QTextCharFormat keywordFormat;
         QTextCharFormat classFormat;
         QTextCharFormat singleLineCommentFormat;
         QTextCharFormat multiLineCommentFormat;
         QTextCharFormat quotationFormat;
         QTextCharFormat functionFormat;
     };

     #endif