//============================================================================
// Copyright 2009-2020 ECMWF.
// This software is licensed under the terms of the Apache Licence version 2.0
// which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
// In applying this licence, ECMWF does not waive the privileges and immunities
// granted to it by virtue of its status as an intergovernmental organisation
// nor does it submit to any jurisdiction.
//
//============================================================================

#ifndef VIEWER_SRC_TEXTPAGER_TEXTPAGERSEARCHHIGHLIGHTER_HPP_
#define VIEWER_SRC_TEXTPAGER_TEXTPAGERSEARCHHIGHLIGHTER_HPP_

#include "syntaxhighlighter.hpp"

#include "TextPagerDocument.hpp"

#include <QColor>
#include <QRegExp>

class TextPagerSearchHighlighter : public SyntaxHighlighter
{
public:
	TextPagerSearchHighlighter(QObject *parent=nullptr);
	void highlightBlock(const QString &string) override;
	void reset(QString txt,TextPagerDocument::FindMode mode,bool apply);
	void reset(QRegExp rx,TextPagerDocument::FindMode mode, bool apply);
    void clear();
    enum Mode {NoMode,TextMode,RegexpMode};

protected:
	bool isWordCharacter(const QChar& ch) const;

	Mode mode_{NoMode};
	QRegExp rx_;
	QString text_;
	QTextCharFormat format_;
	bool caseSensitive_{false};
	bool wholeWords_{false};
	static QColor bgColour_;
};

#endif /* VIEWER_SRC_TEXTPAGER_TEXTPAGERSEARCHHIGHLIGHTER_HPP_ */
