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/*
* Copyright 2008-2009 Ben Boeckel <MathStuf@gmail.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 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/>.
*/
// Header include
#include "Config.h"
// Qt includes
#include <QtCore/QSet>
Sigscript::Config::Config(Config* parent) :
QObject(parent),
m_lock(QReadWriteLock::Recursive),
m_parent(parent)
{
}
void Sigscript::Config::addValue(const QString& name, const QVariant& value, const Options options)
{
if (!m_values.contains(name))
{
emit(valueAdded(name, value));
setValue(name, value, options);
}
}
void Sigscript::Config::setValue(const QString& name, const QVariant& value, const Options options)
{
QWriteLocker locker(&m_lock);
QVariant oldValue = m_values[name].first;
m_values[name] = Value(value, options);
emit(valueChanged(name, oldValue, value));
}
void Sigscript::Config::setOptions(const QString& name, const Options options)
{
QWriteLocker locker(&m_lock);
const Options oldOptions = m_values[name].second;
m_values[name].second |= options;
emit(optionsChanged(name, oldOptions, options));
}
void Sigscript::Config::unsetOptions(const QString& name, const Options options)
{
QWriteLocker locker(&m_lock);
const Options oldOptions = m_values[name].second;
m_values[name].second |= ~options;
emit(optionsChanged(name, oldOptions, options));
}
void Sigscript::Config::removeValue(const QString& name, const bool shadow)
{
QWriteLocker locker(&m_lock);
if (shadow)
m_values[name].second |= Deleted;
else
m_values.remove(name);
emit(valueRemoved(name));
}
QVariant Sigscript::Config::value(const QString& name, const bool recursive) const
{
QReadLocker locker(&m_lock);
if (m_values.contains(name))
{
if (m_values[name].second & (Deleted | Hidden))
return QVariant();
return m_values[name].first;
}
if (recursive)
{
Config* par = m_parent;
while (par)
{
if (par->hasValue(name))
return par->value(name);
par = par->m_parent;
}
}
return QVariant();
}
bool Sigscript::Config::hasValue(const QString& name, const bool recursive) const
{
QReadLocker locker(&m_lock);
if (m_values.contains(name))
return !(m_values[name].second & (Deleted | Hidden));
if (recursive)
return m_parent->hasValue(name, true);
return false;
}
QStringList Sigscript::Config::values(const bool recursive) const
{
QStringList values = m_values.keys();
if (recursive && m_parent)
values += m_parent->values(true);
foreach (const QString& value, values)
{
if (m_values.contains(value) && (m_values[value].second & (Deleted | Hidden)))
values.removeAll(value);
}
return values.toSet().toList();
}
void Sigscript::Config::clean()
{
QWriteLocker locker(&m_lock);
for (QMutableMapIterator<QString, Value> i(m_values); i.hasNext(); i.next())
{
if (i.value().second & Temporary)
{
i.remove();
continue;
}
i.value().second &= ~Hidden;
}
}
void Sigscript::Config::writeBack()
{
QWriteLocker locker(&m_lock);
}
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