kicad/include/settings/nested_settings.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2020 Jon Evans <jon@craftyjon.com>
* Copyright (C) 2020 KiCad Developers, see AUTHORS.txt for contributors.
*
* 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 NESTED_SETTINGS_H_
#define NESTED_SETTINGS_H_
#include <settings/json_settings.h>
/**
* NESTED_SETTINGS is a JSON_SETTINGS that lives inside a JSON_SETTINGS.
* Instead of being backed by a JSON file on disk, it loads and stores to its parent.
*/
class NESTED_SETTINGS : public JSON_SETTINGS
{
public:
NESTED_SETTINGS( const std::string& aName, int aSchemaVersion, JSON_SETTINGS* aParent,
const std::string& aPath );
virtual ~NESTED_SETTINGS();
/**
* Loads the JSON document from the parent and then calls Load()
* @param aDirectory
*/
bool LoadFromFile( const std::string& aDirectory = "" ) override;
/**
* Calls Store() and then saves the JSON document contents into the parent JSON_SETTINGS
* @param aDirectory is ignored
* @return true if the document contents were updated
*/
bool SaveToFile( const std::string& aDirectory = "", bool aForce = false ) override;
void SetParent( JSON_SETTINGS* aParent );
JSON_SETTINGS* GetParent()
{
return m_parent;
}
protected:
/// A pointer to the parent object to load and store from
JSON_SETTINGS* m_parent;
/// The path (in pointer format) of where to store this document in the parent
std::string m_path;
};
#endif