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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "converter.h"
//! [0]
Converter::Converter()
{
converters().append(this);
}
Converter::~Converter()
{
converters().removeAll(this);
}
QList<const Converter *> &Converter::converters()
{
Q_CONSTINIT static QList<const Converter *> store;
return store;
}
const QList<const Converter *> &Converter::allConverters()
{
return converters();
}
//! [0]
// Some virtual methods that Converter classes needn't override, when not relevant:
Converter::Options Converter::outputOptions() const { return {}; }
const char *Converter::optionsHelp() const { return nullptr; }
bool Converter::probeFile(QIODevice *) const { return false; }
// The virtual method they should override if they claim to support In:
QVariant Converter::loadFile(QIODevice *, const Converter *&outputConverter) const
{
Q_ASSERT(!directions().testFlag(Converter::Direction::In));
// For those that don't, this should never be called.
Q_UNIMPLEMENTED();
// But every implementation should at least do this:
if (!outputConverter)
outputConverter = this;
return QVariant();
}
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