PrismLauncher/launcher/settings/INISettingsObject.cpp
flow 3a95a3b7c1
fix: don't take item from a possibly empty list
The list gets destroyed when we take the last object, so things explode.
😔

Signed-off-by: flow <flowlnlnln@gmail.com>
2022-10-18 16:51:42 -03:00

131 lines
3.1 KiB
C++

/* Copyright 2013-2021 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "INISettingsObject.h"
#include "Setting.h"
#include <QDebug>
#include <QFile>
INISettingsObject::INISettingsObject(QStringList paths, QObject *parent)
: SettingsObject(parent)
{
auto first_path = paths.constFirst();
for (auto path : paths) {
if (!QFile::exists(path))
continue;
if (path != first_path && QFile::exists(path)) {
// Copy the fallback to the preferred path.
QFile::copy(path, first_path);
qDebug() << "Copied settings from" << path << "to" << first_path;
break;
}
}
m_filePath = first_path;
m_ini.loadFile(first_path);
}
INISettingsObject::INISettingsObject(QString path, QObject* parent)
: SettingsObject(parent)
{
m_filePath = path;
m_ini.loadFile(path);
}
void INISettingsObject::setFilePath(const QString &filePath)
{
m_filePath = filePath;
}
bool INISettingsObject::reload()
{
return m_ini.loadFile(m_filePath) && SettingsObject::reload();
}
void INISettingsObject::suspendSave()
{
m_suspendSave = true;
}
void INISettingsObject::resumeSave()
{
m_suspendSave = false;
if(m_doSave)
{
m_ini.saveFile(m_filePath);
}
}
void INISettingsObject::changeSetting(const Setting &setting, QVariant value)
{
if (contains(setting.id()))
{
// valid value -> set the main config, remove all the sysnonyms
if (value.isValid())
{
auto list = setting.configKeys();
m_ini.set(list.takeFirst(), value);
for(auto iter: list)
m_ini.remove(iter);
}
// invalid -> remove all (just like resetSetting)
else
{
for(auto iter: setting.configKeys())
m_ini.remove(iter);
}
doSave();
}
}
void INISettingsObject::doSave()
{
if(m_suspendSave)
{
m_doSave = true;
}
else
{
m_ini.saveFile(m_filePath);
}
}
void INISettingsObject::resetSetting(const Setting &setting)
{
// if we have the setting, remove all the synonyms. ALL OF THEM
if (contains(setting.id()))
{
for(auto iter: setting.configKeys())
m_ini.remove(iter);
doSave();
}
}
QVariant INISettingsObject::retrieveValue(const Setting &setting)
{
// if we have the setting, return value of the first matching synonym
if (contains(setting.id()))
{
for(auto iter: setting.configKeys())
{
if(m_ini.contains(iter))
return m_ini[iter];
}
}
return QVariant();
}