qgssettingsproxy.h

Go to the documentation of this file.

/***************************************************************************
  qgssettingsproxy.h
  --------------------------------------
  Date                 : January 2024
  Copyright            : (C) 2024 by Nyall Dawson
  Email                : nyall dot dawson at gmail dot 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     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSSETTINGSPROXY_H
#define QGSSETTINGSPROXY_H
 
#define SIP_NO_FILE
 
#include "qgis_core.h"
#include "qgssettings.h"
#include <optional>
 
class CORE_EXPORT QgsSettingsProxy
{
  public:
 
    explicit QgsSettingsProxy( QgsSettings *settings = nullptr );
 
    QgsSettings *operator->()
    {
      return mOwnedSettings.has_value() ? &( mOwnedSettings.value() ) : mNonOwnedSettings;
    }
 
    QgsSettings &operator* ()
    {
      return mOwnedSettings.has_value() ? mOwnedSettings.value() : *mNonOwnedSettings;
    }
 
  private:
 
    QgsSettings *mNonOwnedSettings = nullptr;
    std::optional< QgsSettings > mOwnedSettings;
 
};
#endif // QGSSETTINGSPROXY_H