commonlib/config.cpp

/*
 *  ZCinema: Zandronum demo launcher
 *  Copyright (C) 2013-2015 Teemu Piippo
 *
 *  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 3 of the License, or
 *  (at your option) 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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <assert.h>
#include <QDir>
#include <QTextStream>
#include <QSettings>
#include "config.h"

typedef QMap<QString, QVariant> DefaultsMap;

//
// -------------------------------------------------------------------------------------------------
//

static QSettings* getSettingsObject()
{
	return new QSettings;
}

//
// -------------------------------------------------------------------------------------------------
//

static DefaultsMap& getDefaults()
{
	static DefaultsMap defaults;

	if (defaults.isEmpty())
	{
		// Initialize defaults here.
	}

	return defaults;
}

//
// -------------------------------------------------------------------------------------------------
//

void Config::reset()
{
	DefaultsMap& defaults = getDefaults();

	for (DefaultsMap::iterator it = defaults.begin(); it != defaults.end(); ++it)
		set (it.key(), it.value());
}

//
// -------------------------------------------------------------------------------------------------
//

QVariant Config::get (const QString& name)
{
	QSettings* settings = getSettingsObject();
	DefaultsMap& defaults = getDefaults();
	DefaultsMap::iterator it = defaults.find (name);
	QVariant def = it != defaults.end() ? *it : QVariant();
	QVariant value = settings->value (name, def);
	settings->deleteLater();
	return value;
}

//
// -------------------------------------------------------------------------------------------------
//

bool Config::set (const QString& name, const QVariant& value)
{
	QSettings* settings = getSettingsObject();
	settings->setValue (name, value);
	settings->deleteLater();
	return settings->status() == QSettings::NoError;
}

//
// -------------------------------------------------------------------------------------------------
//

void Config::sync()
{
	QSettings* settings = getSettingsObject();
	settings->sync();
	settings->deleteLater();
}