/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
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** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
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** accordance with the commercial license agreement provided with the
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** Alternatively, this file may be used under the terms of the GNU Lesser
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****************************************************************************/

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of Qt Designer.  This header
// file may change from version to version without notice, or even be removed.
//
// We mean it.
//

#ifndef HTMLHIGHLIGHTER_H
#define HTMLHIGHLIGHTER_H

#include <QtGui/QSyntaxHighlighter>

QT_BEGIN_NAMESPACE

class QTextEdit;

namespace qdesigner_internal {

/* HTML syntax highlighter based on Qt Quarterly example */
class HtmlHighlighter : public QSyntaxHighlighter
{
    Q_OBJECT

public:
    enum Construct {
        Entity,
        Tag,
        Comment,
        Attribute,
        Value,
        LastConstruct = Value
    };

    HtmlHighlighter(QTextEdit *textEdit);

    void setFormatFor(Construct construct, const QTextCharFormat &format);

    QTextCharFormat formatFor(Construct construct) const
    { return m_formats[construct]; }

protected:
    enum State {
        NormalState = -1,
        InComment,
        InTag
    };

    void highlightBlock(const QString &text);

private:
    QTextCharFormat m_formats[LastConstruct + 1];
};

} // namespace qdesigner_internal

QT_END_NAMESPACE

#endif // HTMLHIGHLIGHTER_H
