/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
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** Software or, alternatively, in accordance with the terms contained in
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** GNU Lesser General Public License Usage
**
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** 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
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#ifndef CPPHIGHLIGHTER_H
#define CPPHIGHLIGHTER_H

#include "cppeditorenums.h"
#include <QtGui/QSyntaxHighlighter>
#include <QtGui/QTextCharFormat>
#include <QtCore/QtAlgorithms>

namespace CppEditor {
namespace Internal {

class CPPEditor;

class CppHighlighter : public QSyntaxHighlighter
{
    Q_OBJECT

public:
    CppHighlighter(QTextDocument *document = 0);

    virtual void highlightBlock(const QString &text);

    // Set formats from a sequence of type QTextCharFormat
    template <class InputIterator>
        void setFormats(InputIterator begin, InputIterator end) {
            qCopy(begin, end, m_formats);
        }

private:
    void highlightWord(QStringRef word, int position, int length);
    void highightLine(const QString &line, int position, int length,
                      const QTextCharFormat &format);

    void highlightDoxygenComment(const QString &text, int position,
                                 int length);

    bool isPPKeyword(const QStringRef &text) const;
    bool isQtKeyword(const QStringRef &text) const;

    QTextCharFormat m_formats[NumCppFormats];
};

} // namespace Internal
} // namespace CppEditor

#endif // CPPHIGHLIGHTER_H
