Method convertFileEncoding

src/SourceData.cpp:725–750

Convert the input file from input encoding to output encoding and write it to the output file.

// Convert the input file from input encoding to output encoding and write it to the output file.
bool SourceData::convertFileEncoding(const QString& fileNameIn, const QByteArray& pCodecIn,
                                     const QString& fileNameOut, const QByteArray& pCodecOut)
{
    QFile in(fileNameIn);
    if(!in.open(QIODevice::ReadOnly))
        return false;
    EncodedDataStream inStream(&in);
    inStream.setEncoding(pCodecIn);

    QFile out(fileNameOut);
    if(!out.open(QIODevice::WriteOnly))
        return false;
    EncodedDataStream outStream(&out);
    outStream.setEncoding(pCodecOut);

    QString data;
    while(!inStream.atEnd())
    {
        QString c;
        inStream.readChar(c);
        data += c;
    }
    outStream << data;

    return true;
}

std::optional<const QByteArray> SourceData::getEncodingFromTag(const QByteArray& s, const QByteArray& encodingTag)
{