qsafesettings.cpp

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/*
 * Carla plugin host
 * Copyright (C) 2011-2023 Filipe Coelho <falktx@falktx.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * For a full copy of the GNU General Public License see the doc/GPL.txt file.
 */
 
#include "qsafesettings.hpp"
 
//---------------------------------------------------------------------------------------------------------------------
 
bool QSafeSettings::valueBool(const QString& key, const bool defaultValue) const
{
    QVariant var(value(key, defaultValue));
 
   #if QT_VERSION >= 0x60000
    if (!var.isNull() && var.convert(QMetaType(QMetaType::Bool)) && var.isValid())
   #else
    if (!var.isNull() && var.convert(QVariant::Bool) && var.isValid())
   #endif
        return var.toBool();
 
    return defaultValue;
}
 
Qt::CheckState QSafeSettings::valueCheckState(const QString& key, const Qt::CheckState defaultValue) const
{
    QVariant var(value(key, defaultValue));
 
   #if QT_VERSION >= 0x60000
    if (!var.isNull() && var.convert(QMetaType(QMetaType::UInt)) && var.isValid())
   #else
    if (!var.isNull() && var.convert(QVariant::UInt) && var.isValid())
   #endif
    {
        const uint value = var.toUInt();
 
        switch (value)
        {
        case Qt::Unchecked:
        case Qt::PartiallyChecked:
        case Qt::Checked:
            return static_cast<Qt::CheckState>(value);
        }
    }
 
    return defaultValue;
}
 
int QSafeSettings::valueIntPositive(const QString& key, const int defaultValue) const
{
    QVariant var(value(key, defaultValue));
 
   #if QT_VERSION >= 0x60000
    if (!var.isNull() && var.convert(QMetaType(QMetaType::Int)) && var.isValid())
   #else
    if (!var.isNull() && var.convert(QVariant::Int) && var.isValid())
   #endif
    {
        const int value = var.toInt();
        return value >= 0 ? value : defaultValue;
    }
 
    return defaultValue;
}
 
uint QSafeSettings::valueUInt(const QString& key, const uint defaultValue) const
{
    QVariant var(value(key, defaultValue));
 
   #if QT_VERSION >= 0x60000
    if (!var.isNull() && var.convert(QMetaType(QMetaType::UInt)) && var.isValid())
   #else
    if (!var.isNull() && var.convert(QVariant::UInt) && var.isValid())
   #endif
        return var.toUInt();
 
    return defaultValue;
}
 
double QSafeSettings::valueDouble(const QString& key, const double defaultValue) const
{
    QVariant var(value(key, defaultValue));
 
   #if QT_VERSION >= 0x60000
    if (!var.isNull() && var.convert(QMetaType(QMetaType::Double)) && var.isValid())
   #else
    if (!var.isNull() && var.convert(QVariant::Double) && var.isValid())
   #endif
        return var.toDouble();
 
    return defaultValue;
}
 
QString QSafeSettings::valueString(const QString& key, const QString& defaultValue) const
{
    QVariant var(value(key, defaultValue));
 
   #if QT_VERSION >= 0x60000
    if (!var.isNull() && var.convert(QMetaType(QMetaType::QString)) && var.isValid())
   #else
    if (!var.isNull() && var.convert(QVariant::String) && var.isValid())
   #endif
        return var.toString();
 
    return defaultValue;
}
 
QByteArray QSafeSettings::valueByteArray(const QString& key, const QByteArray defaultValue) const
{
    QVariant var(value(key, defaultValue));
 
   #if QT_VERSION >= 0x60000
    if (!var.isNull() && var.convert(QMetaType(QMetaType::QByteArray)) && var.isValid())
   #else
    if (!var.isNull() && var.convert(QVariant::ByteArray) && var.isValid())
   #endif
        return var.toByteArray();
 
    return defaultValue;
}
 
QStringList QSafeSettings::valueStringList(const QString& key, const QStringList defaultValue) const
{
    QVariant var(value(key, defaultValue));
 
   #if QT_VERSION >= 0x60000
    if (!var.isNull() && var.convert(QMetaType(QMetaType::QStringList)) && var.isValid())
   #else
    if (!var.isNull() && var.convert(QVariant::StringList) && var.isValid())
   #endif
        return var.toStringList();
 
    return defaultValue;
}
 
//---------------------------------------------------------------------------------------------------------------------