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#ifndef QSCRIPTSYNTAXHIGHLIGHTER_H
#define QSCRIPTSYNTAXHIGHLIGHTER_H

#include <qmljs/qmljsscanner.h>

#include <QtCore/QVector>
#include <QtCore/QSet>
#include <QtGui/QSyntaxHighlighter>

namespace QmlJS {

class QMLJS_EXPORT QScriptHighlighter : public QSyntaxHighlighter
{
    Q_OBJECT
public:
    QScriptHighlighter(bool duiEnabled = false, QTextDocument *parent = 0);
    virtual void highlightBlock(const QString &text);

    enum { NumberFormat, StringFormat, TypeFormat,
           KeywordFormat, PreProcessorFormat, LabelFormat, CommentFormat,
           VisualWhitespace,
           NumFormats };

    bool isDuiEnabled() const;

    // MS VC 6 compatible, still.
    void setFormats(const QVector<QTextCharFormat> &s);

    QTextCharFormat labelTextCharFormat() const;

protected:
    virtual int onBlockStart();
    virtual void onBlockEnd(int state, int firstNonSpace);

    // The functions are notified whenever parentheses are encountered.
    // Custom behaviour can be added, for example storing info for indenting.
    virtual void onOpeningParenthesis(QChar parenthesis, int pos);
    virtual void onClosingParenthesis(QChar parenthesis, int pos);

    bool maybeQmlKeyword(const QStringRef &text) const;
    bool maybeQmlBuiltinType(const QStringRef &text) const;

protected:
    QmlJSScanner m_scanner;

private:
    QTextCharFormat m_formats[NumFormats];
    bool m_duiEnabled;
};

} // namespace QmlJS

#endif // QSCRIPTSYNTAXHIGHLIGHTER_H