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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/>.
*/
#ifndef SIGSCRIPT_CONFIG
#define SIGSCRIPT_CONFIG
// Sigscript includes
#include "Global.h"
// Qt includes
#include <QtCore/QMap>
#include <QtCore/QObject>
#include <QtCore/QPair>
#include <QtCore/QReadWriteLock>
#include <QtCore/QString>
#include <QtCore/QStringList>
#include <QtCore/QVariant>
namespace Sigscript
{
class SIGSCRIPT_EXPORT Config : public QObject
{
Q_OBJECT
Q_ENUMS(Option)
public:
enum Option
{
Temporary = 1,
Deleted = 2,
ReadOnly = 4,
Hidden = 8
};
Q_DECLARE_FLAGS(Options, Option)
typedef QPair<QVariant, Options> Value;
Config(Config* parent);
Q_SCRIPTABLE QVariant value(const QString& name, const bool recursive = true) const;
template<typename T> bool valueOfType(const QString& name, T* value, const bool recursive = true) const;
Q_SCRIPTABLE bool hasValue(const QString& name, const bool recursive = true) const;
template<typename T> bool hasValueOfType(const QString& name, const bool recursive = true) const;
Q_SCRIPTABLE QStringList values(const bool recursive = false) const;
Q_SCRIPTABLE Options options(const QString& name, const bool recursive = true) const;
signals:
void valueAdded(const QString& name, const QVariant& value);
void valueChanged(const QString& name, const QVariant& newValue);
void valueRemoved(const QString& name);
void optionsChanged(const QString& name, const Sigscript::Config::Options newOptions);
public slots:
bool addValue(const QString& name, const QVariant& value, const Options options = 0);
bool setValue(const QString& name, const QVariant& value, const Options options = 0);
bool removeValue(const QString& name, const bool shadow = false);
bool setOptions(const QString& name, const Sigscript::Config::Options options);
bool unsetOptions(const QString& name, const Sigscript::Config::Options options);
void clean();
virtual void writeBack();
private:
mutable QReadWriteLock m_lock;
Config* m_parent;
QMap<QString, Value> m_values;
};
template<typename T> bool Config::valueOfType(const QString& name, T* value, const bool recursive) const
{
QReadLocker locker(&m_lock);
if (hasValueOfType<T>(name))
{
*value = m_values[name].first.value<T>();
return true;
}
if (recursive)
{
Config* par = m_parent;
while (par)
{
if (par->hasValue(name))
return par->valueOfType(name, value, true);
par = par->m_parent;
}
}
return false;
}
template<typename T> bool Config::hasValueOfType(const QString& name, const bool recursive) const
{
QReadLocker locker(&m_lock);
if (hasValue(name) && m_values[name].first.canConvert<T>())
return true;
if (recursive)
return m_parent->hasValueOfType<T>(name, true);
return false;
}
}
Q_DECLARE_METATYPE(Sigscript::Config*)
Q_DECLARE_METATYPE(Sigscript::Config::Options)
Q_DECLARE_OPERATORS_FOR_FLAGS(Sigscript::Config::Options)
#endif
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