/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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** $QT_END_LICENSE$
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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.h>

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) override;

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

} // namespace qdesigner_internal

QT_END_NAMESPACE

#endif // HTMLHIGHLIGHTER_H
