cp1252.cpp

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/*********
*
* In the name of the Father, and of the Son, and of the Holy Spirit.
*
* This file is part of BibleTime's source code, https://bibletime.info/
*
* Copyright 1999-2021 by the BibleTime developers.
* The BibleTime source code is licensed under the GNU General Public License
* version 2.0.
*
**********/
 
#include "cp1252.h"
 
#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
#include <QStringDecoder>
#include <QStringEncoder>
#else
#include <QTextCodec>
#endif
#include "btassert.h"
 
 
namespace util {
namespace cp1252 {
 
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
namespace {
 
QTextCodec const & codec() {
    static auto const * const codec =
            QTextCodec::codecForName(QByteArrayLiteral("Windows-1252"));
    BT_ASSERT(codec);
    return *codec;
}
 
} // anonymous namespace
#endif
 
QString toUnicode(QByteArray const & data) {
    #if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
    return codec().toUnicode(data);
    #else
    QStringDecoder decoder("Windows-1252", QStringDecoder::Flag::Stateless);
    // Do not use auto here due to QTBUG-117705/QTBUG-117902:
    QString result = decoder(data);
    BT_ASSERT(!decoder.hasError());
    return result;
    #endif
}
 
QByteArray fromUnicode(QString const & str) {
    #if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
    return codec().fromUnicode(str);
    #else
    QStringEncoder encoder("Windows-1252", QStringEncoder::Flag::Stateless);
    // Do not use auto here due to QTBUG-117705/QTBUG-117902:
    QByteArray result = encoder(str);
    BT_ASSERT(!encoder.hasError());
    return result;
    #endif
}
 
} /* namespace cp1252 { */
} /* namespace util { */