/*
    Kchmviewer - a CHM and EPUB file viewer with broad language support
    SPDX-FileCopyrightText: 2004-2014 George Yunaev gyunaev@ulduzsoft.com

    SPDX-License-Identifier: GPL-3.0-or-later
*/

#ifndef HELPER_ENTITYDECODER_H
#define HELPER_ENTITYDECODER_H

#include <QMap>
#include <QString>

//
// This helper class decodes the Unicode HTML entities into the Unicode characters
//
class HelperEntityDecoder
{
public:
    // Initialization with the specific decoder
    explicit HelperEntityDecoder(QTextCodec *encoder = nullptr);

    // Used when the encoding changes
    void changeEncoding(QTextCodec *encoder = nullptr);

    // The decoder function
    QString decode(const QString &entity) const;

private:
    // Map to decode HTML entitles like &acute; based on current encoding, initialized upon the first use
    QMap<QString, QString> m_entityDecodeMap;
};

#endif // HELPER_ENTITYDECODER_H